/* =====================================================================
   Dr. Amit Puri Foundation — foundation.css
   Design System: Dark Obsidian Space × Renaissance Gold × Amethyst Violet × Celestial Cyan
   Typography: Playfair Display + Cinzel (Headings) | Plus Jakarta Sans (Body) | JetBrains Mono (Code/HUD)
   Full Responsive Support: 320px Mobile -> 4K Ultra Wide
   ===================================================================== */

/* ─── 1. CSS Custom Properties ──────────────────────────────────────── */
:root {
  /* Obsidian Palette */
  --fd-bg-base:        #070b14;
  --fd-bg-surface-1:   #0d1322;
  --fd-bg-surface-2:   #121b2f;
  --fd-bg-surface-3:   #19243d;
  --fd-bg-glass:       rgba(18, 27, 47, 0.75);
  --fd-bg-glass-card:  rgba(13, 19, 34, 0.7);

  /* Primary Brand Tones */
  --fd-gold:           #f59e0b;
  --fd-gold-light:     #fbbf24;
  --fd-gold-dark:      #d97706;
  --fd-gold-glow:      rgba(245, 158, 11, 0.28);

  --fd-violet:         #8b5cf6;
  --fd-violet-light:   #a78bfa;
  --fd-violet-dark:    #6d28d9;
  --fd-violet-glow:    rgba(139, 92, 246, 0.28);

  --fd-cyan:           #06b6d4;
  --fd-cyan-light:     #22d3ee;
  --fd-cyan-glow:      rgba(6, 182, 212, 0.25);

  --fd-emerald:        #10b981;
  --fd-emerald-glow:   rgba(16, 185, 129, 0.25);

  --fd-rose:           #f43f5e;
  --fd-rose-glow:      rgba(244, 63, 94, 0.25);

  /* Typography Colors - WCAG AAA Sunlight-Readable Contrast */
  --fd-text-primary:   #ffffff;
  --fd-text-secondary: #f1f5f9;
  --fd-text-muted:     #cbd5e1;
  --fd-text-dim:       #94a3b8;

  /* Fonts */
  --fd-font-display:   'Playfair Display', Georgia, serif;
  --fd-font-serif:     'Cinzel', serif;
  --fd-font-sans:      'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --fd-font-mono:      'JetBrains Mono', monospace;

  /* Sizing & Radius */
  --fd-container-max:  1280px;
  --fd-radius-sm:      8px;
  --fd-radius-md:      12px;
  --fd-radius-lg:      18px;
  --fd-radius-xl:      24px;
  --fd-radius-pill:    9999px;

  --fd-ease-spring:    cubic-bezier(0.16, 1, 0.3, 1);
  --fd-ease-smooth:    cubic-bezier(0.22, 1, 0.36, 1);

  /* High-Contrast Borders & Solid Separation */
  --fd-border-subtle:  rgba(255, 255, 255, 0.18);
  --fd-border-medium:  rgba(255, 255, 255, 0.30);
  --fd-border-bright:  rgba(255, 255, 255, 0.50);

  --fd-shadow-soft:    0 8px 24px -6px rgba(0, 0, 0, 0.6);
  --fd-shadow-elevate: 0 16px 40px -10px rgba(0, 0, 0, 0.8);
}

/* ─── 2. Global Reset & Base Setup ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--fd-bg-base);
  color-scheme: dark;
}

body.fd-body {
  background: var(--fd-bg-base);
  color: var(--fd-text-primary);
  font-family: var(--fd-font-sans);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--fd-bg-base); }
::-webkit-scrollbar-thumb { background: var(--fd-bg-surface-3); border-radius: var(--fd-radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--fd-violet-dark); }

/* ─── 3. Global Layout & Section Utilities ───────────────────────────── */
.fd-container {
  max-width: var(--fd-container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  width: 100%;
}

.fd-section {
  padding: clamp(4.5rem, 8vw, 8rem) 0;
  position: relative;
  width: 100%;
  overflow: hidden;
}

.fd-section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(2.5rem, 5vw, 4.5rem);
}

.fd-section-eyebrow {
  font-family: var(--fd-font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
  margin-bottom: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.22);
}

.fd-section-title {
  font-family: var(--fd-font-display);
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--fd-text-primary);
  margin-bottom: 1.25rem;
}

.fd-section-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--fd-text-secondary);
  line-height: 1.8;
  font-weight: 400;
}

/* ─── 4. Buttons & Interactive Controls ──────────────────────────────── */
.fd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.75rem 1.6rem;
  border-radius: var(--fd-radius-md);
  font-family: var(--fd-font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.22s var(--fd-ease-smooth);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}

.fd-btn--gold {
  background: linear-gradient(135deg, var(--fd-gold-light), var(--fd-gold));
  color: #070b14;
  border-color: var(--fd-gold-light);
  box-shadow: 0 4px 16px var(--fd-gold-glow);
  font-weight: 700;
}
.fd-btn--gold:hover,
.fd-btn--gold:focus-visible {
  background: linear-gradient(135deg, #ffffff, var(--fd-gold-light));
  color: #070b14;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(245, 158, 11, 0.45);
}

.fd-btn--violet {
  background: linear-gradient(135deg, var(--fd-violet), var(--fd-violet-dark));
  color: #ffffff;
  border-color: var(--fd-violet-light);
  box-shadow: 0 4px 16px var(--fd-violet-glow);
}
.fd-btn--violet:hover,
.fd-btn--violet:focus-visible {
  background: linear-gradient(135deg, var(--fd-violet-light), var(--fd-violet));
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(139, 92, 246, 0.45);
}

.fd-btn--outline {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  border-color: var(--fd-border-bright);
}
.fd-btn--outline:hover,
.fd-btn--outline:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.fd-btn--ghost {
  background: transparent;
  color: var(--fd-text-secondary);
  border-color: transparent;
  padding: 0.6rem 1rem;
}
.fd-btn--ghost:hover,
.fd-btn--ghost:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.fd-btn--sm {
  min-height: 44px;
  padding: 0.6rem 1.25rem;
  font-size: 0.88rem;
  border-radius: var(--fd-radius-sm);
}

.fd-btn--lg {
  min-height: 48px;
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--fd-radius-md);
}

/* ─── 5. Animations & Scroll Reveal ──────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--fd-ease-spring), transform 0.8s var(--fd-ease-spring);
  will-change: opacity, transform;
}

[data-animate="fade-left"] { transform: translateX(36px); }
[data-animate="fade-right"] { transform: translateX(-36px); }

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0);
}

/* Graceful Fallbacks for No-JS, Search Bots, and Accessibility */
@media (scripting: none) {
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ─── 6. NAVBAR ──────────────────────────────────────────────────────── */
.fd-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: padding 0.35s var(--fd-ease-smooth);
}

.fd-navbar {
  position: relative;
  z-index: 1001;
  transition: padding 0.35s var(--fd-ease-smooth);
}

/* Scrolled background layer via pseudo-element to prevent creating a containing block that traps fixed-position children (e.g. mobile drawer) */
.fd-navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--fd-border-subtle);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  transition: opacity 0.35s var(--fd-ease-smooth);
}

.fd-navbar.scrolled::before {
  opacity: 1;
}

.fd-navbar.scrolled {
  padding: 0.45rem 0;
}

.fd-navbar__container {
  max-width: var(--fd-container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}

.fd-navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  z-index: 1001;
}

.fd-navbar__logo-gem {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s var(--fd-ease-spring);
}
.fd-navbar__brand:hover .fd-navbar__logo-gem {
  transform: rotate(8deg) scale(1.08);
}

.fd-navbar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.fd-navbar__brand-name {
  font-family: var(--fd-font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--fd-text-primary);
  letter-spacing: -0.01em;
}

.fd-navbar__brand-sub {
  font-family: var(--fd-font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
}

.fd-navbar__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.fd-navbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--fd-text-secondary);
  text-decoration: none;
  border-radius: var(--fd-radius-sm);
  transition: color 0.2s, background 0.2s;
}

.fd-navbar__link:hover {
  color: var(--fd-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.fd-navbar__link.active {
  color: var(--fd-gold-light);
  background: rgba(245, 158, 11, 0.08);
}

.fd-navbar__link--cta {
  background: linear-gradient(135deg, var(--fd-violet), var(--fd-violet-dark));
  color: #ffffff !important;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  margin-left: 0.5rem;
  box-shadow: 0 4px 14px var(--fd-violet-glow);
}
.fd-navbar__link--cta:hover {
  background: linear-gradient(135deg, var(--fd-violet-light), var(--fd-violet)) !important;
  transform: translateY(-1px);
}

.fd-navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
}

.fd-navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fd-text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.fd-navbar__hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.fd-navbar__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.fd-navbar__hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Drawer Overlay Backdrop */
.fd-navbar__backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s var(--fd-ease-smooth);
  pointer-events: none;
}

.fd-navbar__backdrop.is-visible {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 1080px) {
  .fd-navbar__hamburger {
    display: flex;
    position: relative;
    z-index: 1003;
  }

  .fd-navbar__brand {
    position: relative;
    z-index: 1003;
  }

  .fd-navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    bottom: 0;
    height: 100vh;
    height: 100dvh;
    width: min(340px, 85vw);
    background: var(--fd-bg-surface-2);
    flex-direction: column;
    align-items: stretch;
    padding: 6rem 2rem 2.5rem;
    gap: 0.5rem;
    transition: right 0.35s var(--fd-ease-spring);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
    border-left: 1px solid var(--fd-border-subtle);
    z-index: 1002;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .fd-navbar__links.is-open { right: 0; }

  .fd-navbar__link {
    padding: 0.85rem 1rem;
    font-size: 1rem;
  }

  .fd-navbar__link--cta {
    margin-left: 0;
    margin-top: 1rem;
    justify-content: center;
  }
}

/* ─── 7. HERO SECTION ────────────────────────────────────────────────── */
.fd-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(7rem, 12vw, 10rem) 0 clamp(4.5rem, 6vw, 6rem);
  background: radial-gradient(circle at 50% 20%, #111a33 0%, var(--fd-bg-base) 70%);
  overflow: hidden;
}

.fd-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.fd-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  opacity: 0.3;
  z-index: 1;
}
.fd-hero__glow--amber { top: 10%; left: 15%; width: 340px; height: 340px; background: var(--fd-gold); }
.fd-hero__glow--violet { top: 25%; right: 15%; width: 400px; height: 400px; background: var(--fd-violet); }
.fd-hero__glow--cyan { bottom: 5%; left: 45%; width: 280px; height: 280px; background: var(--fd-cyan); }

.fd-hero__container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.fd-hero__grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4rem);
  width: 100%;
}

.fd-hero__content {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fd-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: clamp(0.68rem, 1.5vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.4rem 1.1rem;
  border-radius: var(--fd-radius-pill);
  margin: 0 auto 1.5rem;
}

.fd-hero__eyebrow-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--fd-gold-light);
  box-shadow: 0 0 8px var(--fd-gold);
  animation: fd-pulse-dot 1.8s ease-in-out infinite;
}

@keyframes fd-pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.fd-hero__title {
  font-family: var(--fd-font-display);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fd-text-primary);
  margin-bottom: 1.25rem;
  text-align: center;
  max-width: 1040px;
}

.fd-hero__title-gradient {
  background: linear-gradient(135deg, #ffffff 0%, var(--fd-gold-light) 40%, var(--fd-violet-light) 85%, var(--fd-cyan-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fd-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.24rem);
  color: var(--fd-text-secondary);
  margin-bottom: 1.25rem;
  font-weight: 400;
  text-align: center;
}

.fd-hero__typewriter {
  color: var(--fd-gold-light);
  font-weight: 700;
  border-right: 2px solid var(--fd-gold-light);
  padding-right: 3px;
  animation: fd-cursor-blink 0.9s step-end infinite;
}

@keyframes fd-cursor-blink {
  0%, 100% { border-color: var(--fd-gold-light); }
  50% { border-color: transparent; }
}

.fd-hero__lead {
  font-size: clamp(0.95rem, 1.8vw, 1.12rem);
  color: var(--fd-text-secondary);
  line-height: 1.85;
  margin: 0 auto 2.25rem;
  max-width: 860px;
  text-align: center;
}

.fd-hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

@media (max-width: 480px) {
  .fd-hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .fd-hero__ctas .fd-btn { width: 100%; }
}

/* Stats Strip */
.fd-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.85rem, 2vw, 1.5rem);
  padding: clamp(1.15rem, 2.5vw, 1.6rem);
  background: var(--fd-bg-glass-card);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  backdrop-filter: blur(12px);
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

@media (max-width: 768px) {
  .fd-hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
  }
}

.fd-hero__visual {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
}

.fd-hero__stat-card {
  display: flex;
  flex-direction: column;
}

.fd-hero__stat-val {
  font-family: var(--fd-font-display);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff, var(--fd-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fd-hero__stat-label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-primary);
  margin-top: 0.2rem;
}

.fd-hero__stat-detail {
  font-size: 0.68rem;
  color: var(--fd-text-muted);
  line-height: 1.35;
  margin-top: 0.15rem;
}

/* ─── 8. SIGNAL VS AMPLIFIER WIDGET ──────────────────────────────────── */
.fd-signal-widget {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1rem, 2.5vw, 1.65rem);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 35px var(--fd-violet-glow);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}

.fd-signal-widget::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--fd-gold), var(--fd-violet), var(--fd-cyan));
}

.fd-signal-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.fd-signal-widget__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: clamp(0.68rem, 1.3vw, 0.74rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fd-violet-light);
}

.fd-signal-widget__status {
  font-family: var(--fd-font-mono);
  font-size: clamp(0.64rem, 1.2vw, 0.7rem);
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(16, 185, 129, 0.15);
  color: var(--fd-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  transition: all 0.3s;
  white-space: nowrap;
  flex-shrink: 0;
}

.fd-signal-widget__display {
  background: #050811;
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-md);
  padding: clamp(0.5rem, 1.5vw, 0.75rem);
  margin-bottom: 0.85rem;
  position: relative;
  width: 100%;
  overflow: hidden;
}

#fd-wave-canvas {
  width: 100%;
  height: 130px;
  display: block;
}

.fd-signal-widget__hud {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--fd-font-mono);
  gap: 0.5rem;
  width: 100%;
}

.fd-signal-widget__hud .fd-hud-item {
  display: flex;
  flex-direction: column;
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
}

.fd-signal-widget__hud .fd-hud-item:last-child {
  text-align: right;
  align-items: flex-end;
}

.fd-signal-widget__hud .fd-hud-label {
  color: var(--fd-text-muted);
  font-size: clamp(0.58rem, 1.1vw, 0.65rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  white-space: nowrap;
}

.fd-signal-widget__hud .fd-hud-val {
  font-family: var(--fd-font-mono);
  font-size: clamp(0.68rem, 1.3vw, 0.76rem);
  color: var(--fd-cyan-light);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

@media (max-width: 480px) {
  .fd-signal-widget__hud {
    flex-direction: column;
    gap: 0.4rem;
  }
  .fd-signal-widget__hud .fd-hud-item:last-child {
    text-align: left;
    align-items: flex-start;
  }
  .fd-signal-widget__hud .fd-hud-val {
    white-space: normal;
  }
}

.fd-signal-widget__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 480px) {
  .fd-signal-widget__tabs {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

.fd-scenario-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.65rem;
  font-family: var(--fd-font-sans);
  font-size: clamp(0.72rem, 1.2vw, 0.78rem);
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: var(--fd-bg-surface-1);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-sm);
  cursor: pointer;
  transition: all 0.25s;
  min-height: 40px;
  line-height: 1.3;
  text-align: center;
}

.fd-scenario-btn:hover {
  color: var(--fd-text-primary);
  border-color: var(--fd-border-bright);
}

.fd-scenario-btn.is-active {
  background: rgba(139, 92, 246, 0.15);
  color: var(--fd-text-primary);
  border-color: var(--fd-violet);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.25);
}

.fd-signal-widget__explanation {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--fd-gold);
  padding: clamp(0.65rem, 1.5vw, 0.85rem);
  border-radius: 0 var(--fd-radius-sm) var(--fd-radius-sm) 0;
  font-size: clamp(0.74rem, 1.2vw, 0.8rem);
  color: var(--fd-text-secondary);
  line-height: 1.55;
  min-height: auto;
}

.fd-signal-widget__footer {
  margin-top: 0.75rem;
  text-align: center;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.fd-signal-widget__cite {
  font-family: var(--fd-font-display);
  font-style: italic;
  font-size: clamp(0.72rem, 1.2vw, 0.8rem);
  color: var(--fd-gold-light);
}

/* Scroll indicator */
.fd-hero__scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  z-index: 3;
}

.fd-hero__scroll-track {
  width: 18px;
  height: 28px;
  border: 2px solid var(--fd-border-medium);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  padding-top: 3px;
}

.fd-hero__scroll-thumb {
  width: 3px;
  height: 6px;
  background: var(--fd-gold-light);
  border-radius: 2px;
  animation: fd-wheel-scroll 2s ease-in-out infinite;
}

@keyframes fd-wheel-scroll {
  0% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

.fd-hero__scroll-text {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fd-text-muted);
}

/* ─── 9. MISSION & DUAL REALITY (ABOUT) ──────────────────────────────── */
.fd-mission {
  background: var(--fd-bg-surface-1);
}

.fd-reality-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

@media (max-width: 992px) {
  .fd-reality-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.fd-reality-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.5rem, 4vw, 2.2rem);
  box-shadow: var(--fd-shadow-soft);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--fd-ease-spring), border-color 0.35s;
}

.fd-reality-card:hover { transform: translateY(-4px); }

.fd-reality-card--ai { border-top: 3px solid var(--fd-cyan); }
.fd-reality-card--ai:hover { border-color: var(--fd-cyan); box-shadow: 0 15px 40px var(--fd-cyan-glow); }

.fd-reality-card--human { border-top: 3px solid var(--fd-gold); }
.fd-reality-card--human:hover { border-color: var(--fd-gold); box-shadow: 0 15px 40px var(--fd-gold-glow); }

.fd-reality-card__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.fd-reality-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--fd-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.fd-reality-card--ai .fd-reality-card__icon { background: rgba(6, 182, 212, 0.15); color: var(--fd-cyan-light); }
.fd-reality-card--human .fd-reality-card__icon { background: rgba(245, 158, 11, 0.15); color: var(--fd-gold-light); }

.fd-reality-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fd-text-muted);
}

.fd-reality-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.75rem;
}

.fd-reality-card__desc {
  font-size: 0.88rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.fd-reality-card__datapoint {
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--fd-radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.fd-reality-card__datapoint-num {
  font-family: var(--fd-font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.fd-reality-card--ai .fd-reality-card__datapoint-num { color: var(--fd-cyan-light); }
.fd-reality-card--human .fd-reality-card__datapoint-num { color: var(--fd-gold-light); }

.fd-reality-card__datapoint-text {
  font-size: 0.75rem;
  color: var(--fd-text-muted);
  line-height: 1.35;
}

.fd-reality-bridge {
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.12), rgba(7, 11, 20, 0.8));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--fd-radius-xl);
  padding: 1.75rem;
  text-align: center;
  box-shadow: 0 10px 35px var(--fd-violet-glow);
}

.fd-reality-bridge__symbol {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  background: var(--fd-violet);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 0 20px var(--fd-violet);
}

.fd-reality-bridge__title {
  display: block;
  font-family: var(--fd-font-serif);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fd-violet-light);
  margin-bottom: 0.6rem;
}

.fd-reality-bridge__text {
  font-size: 0.85rem;
  color: var(--fd-text-secondary);
  line-height: 1.65;
}

.fd-vision-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(139, 92, 246, 0.08));
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .fd-vision-banner { flex-direction: column; }
  .fd-vision-banner__quote-mark { display: none; }
}

.fd-vision-banner__quote-mark {
  font-family: var(--fd-font-display);
  font-size: 6rem;
  line-height: 0.7;
  color: rgba(245, 158, 11, 0.25);
  user-select: none;
}

.fd-vision-banner__content { flex: 1; }

.fd-vision-banner__text {
  font-family: var(--fd-font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.55rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--fd-text-primary);
  margin-bottom: 1.5rem;
}

.fd-vision-banner__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.fd-vision-banner__author strong {
  display: block;
  font-size: 0.92rem;
  color: var(--fd-text-primary);
}

.fd-vision-banner__author span {
  font-size: 0.78rem;
  color: var(--fd-gold-light);
}

/* ─── 10. SIX PILLARS INTERACTIVE STUDIO DECK ───────────────────────── */
.fd-pillars-studio {
  background-color: var(--fd-bg-base);
  position: relative;
  overflow: hidden;
}

/* Full Section Background Artwork */
.fd-pillars-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.fd-pillars-backdrop picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fd-pillars-backdrop__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.42;
  filter: saturate(108%) contrast(110%) brightness(0.75);
  display: block;
}

.fd-pillars-backdrop__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(7, 11, 20, 0.55) 0%,
      rgba(7, 11, 20, 0.28) 25%,
      rgba(7, 11, 20, 0.35) 60%,
      rgba(7, 11, 20, 0.82) 100%);
  pointer-events: none;
}

.fd-pillars-backdrop__glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle at 50% 30%, rgba(139, 92, 246, 0.15) 0%, rgba(245, 158, 11, 0.08) 45%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.fd-pillars-studio > .fd-container,
.fd-pillars-studio > .fd-research__bottom-cta {
  position: relative;
  z-index: 2;
}

/* Master Command Dock (Sticky Floating Ribbon) */
.fd-studio-dock {
  position: sticky;
  top: 76px;
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
  padding: 0.75rem 1.25rem;
  background: rgba(13, 19, 34, 0.72);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.fd-dock-rail {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.fd-dock-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--fd-radius-pill);
  font-family: var(--fd-font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.25s var(--fd-ease-smooth);
  position: relative;
}

.fd-dock-btn__num {
  font-family: var(--fd-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.7;
}

.fd-dock-btn__icon {
  font-size: 1rem;
  line-height: 1;
}

.fd-dock-btn__title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 11rem;
}

.fd-dock-btn:hover {
  color: var(--fd-text-primary);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(var(--pillar-accent-rgb), 0.45);
  transform: translateY(-1px);
}

.fd-dock-btn.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(var(--pillar-accent-rgb), 0.35) 0%, rgba(13, 19, 34, 0.95) 100%);
  border-color: var(--pillar-accent);
  box-shadow: 0 0 20px rgba(var(--pillar-accent-rgb), 0.4);
}

.fd-dock-modes {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(0, 0, 0, 0.45);
  padding: 0.25rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.fd-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--fd-radius-pill);
  font-family: var(--fd-font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--fd-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.fd-mode-btn i {
  font-size: 0.72rem;
}

.fd-mode-btn:hover {
  color: var(--fd-text-primary);
}

.fd-mode-btn.is-active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* View Mode Containers */
.fd-pillars-view {
  display: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.fd-pillars-view.is-visible {
  display: block;
  opacity: 1;
}

/* ─── 10.1 VIEW MODE 1: INTERACTIVE STAGE STUDIO ───────────────────────── */
.fd-stage-panel {
  display: none;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.35);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: 0 25px 70px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(var(--pillar-accent-rgb), 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  background: transparent;
}

.fd-stage-panel__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.fd-stage-panel__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.55;
  filter: saturate(105%) contrast(108%) brightness(0.72);
  transform: scale(1.04);
  display: block;
}

.fd-stage-panel__scrim {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(160deg,
      rgba(var(--pillar-accent-rgb), 0.12) 0%,
      rgba(7, 11, 20, 0.55) 35%,
      rgba(7, 11, 20, 0.72) 70%,
      rgba(7, 11, 20, 0.88) 100%);
  pointer-events: none;
}

.fd-stage-panel.is-active {
  display: block;
  animation: stagePanelIn 0.45s var(--fd-ease-spring);
}

@keyframes stagePanelIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fd-stage-watermark {
  position: absolute;
  right: -1rem;
  bottom: -3rem;
  font-family: var(--fd-font-display);
  font-size: clamp(14rem, 26vw, 24rem);
  font-weight: 900;
  color: rgba(var(--pillar-accent-rgb), 0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.fd-stage-ambient-glow {
  position: absolute;
  top: -100px;
  left: 25%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--pillar-accent-rgb), 0.18) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 1;
}

.fd-stage-canvas {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  z-index: 2;
  margin-bottom: 2.5rem;
}

/* Left Anchor Hub */
.fd-stage-anchor__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.fd-stage-icon-medallion {
  width: 4.2rem;
  height: 4.2rem;
  border-radius: var(--fd-radius-md);
  background: rgba(var(--pillar-accent-rgb), 0.08);
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 25px rgba(var(--pillar-accent-rgb), 0.2);
}

.fd-stage-icon {
  font-size: 2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.fd-stage-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.fd-stage-num {
  font-family: var(--fd-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.fd-stage-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--pillar-accent-rgb), 0.25);
  color: var(--pillar-accent);
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.45);
}

.fd-stage-title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.45rem;
  letter-spacing: -0.02em;
}

.fd-stage-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--pillar-accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fd-stage-lead {
  font-size: 0.96rem;
  color: #e2e8f0;
  line-height: 1.75;
  margin-bottom: 1.75rem;
  font-weight: 450;
}

/* Telemetry HUD */
.fd-stage-telemetry {
  margin-bottom: 1.5rem;
}

.fd-telemetry-label {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #cbd5e1;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.fd-telemetry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.fd-telemetry-card {
  background: rgba(7, 11, 20, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--fd-radius-sm);
  padding: 0.75rem 0.65rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.fd-telemetry-val {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--fd-emerald);
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.35);
  line-height: 1.1;
}

.fd-telemetry-lbl {
  font-size: 0.65rem;
  color: #cbd5e1;
  margin: 0.25rem 0 0.45rem;
  line-height: 1.25;
  font-weight: 500;
}

.fd-telemetry-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
}

.fd-telemetry-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--fd-emerald), var(--pillar-accent));
  border-radius: 2px;
}

/* Strict AI Mandate Banner */
.fd-stage-ai-mandate {
  background: linear-gradient(135deg, rgba(var(--pillar-accent-rgb), 0.18) 0%, rgba(7, 11, 20, 0.6) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.35);
  border-left: 4px solid var(--pillar-accent);
  border-radius: var(--fd-radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.35rem;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.35);
}

.fd-ai-mandate-header {
  font-family: var(--fd-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pillar-accent);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.fd-ai-mandate-text {
  font-size: 0.86rem;
  color: #f1f5f9;
  line-height: 1.6;
  margin: 0;
  font-weight: 450;
}

/* Strategic Conviction Note */
.fd-stage-note {
  font-size: 0.84rem;
  color: #f1f5f9;
  line-height: 1.6;
  background: rgba(245, 158, 11, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-left: 3px solid var(--pillar-accent, var(--fd-gold));
  border-radius: 0 var(--fd-radius-sm) var(--fd-radius-sm) 0;
  padding: 0.9rem 1.15rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.fd-stage-note__icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(var(--pillar-accent-rgb), 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--pillar-accent);
}

.fd-stage-action {
  margin-top: 1rem;
}

/* Right Bento Grid of Tenet Cards */
.fd-bento-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fd-bento-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #ffffff;
}

.fd-bento-title-wrap i {
  color: var(--pillar-accent);
}

.fd-bento-title {
  font-family: var(--fd-font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}

.fd-bento-counter {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--pillar-accent);
  background: rgba(var(--pillar-accent-rgb), 0.18);
  padding: 0.2rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.35);
}

.fd-stage-tenets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.fd-stage-tenet-card {
  background: rgba(13, 19, 34, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--fd-radius-md);
  padding: 1.15rem 1.25rem;
  transition: all 0.28s var(--fd-ease-smooth);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.fd-stage-tenet-card:hover {
  background: rgba(var(--pillar-accent-rgb), 0.16);
  border-color: rgba(var(--pillar-accent-rgb), 0.5);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -8px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.fd-tenet-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.fd-tenet-index {
  font-family: var(--fd-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.fd-tenet-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pillar-accent);
  box-shadow: 0 0 8px var(--pillar-accent);
}

.fd-tenet-title {
  font-family: var(--fd-font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.fd-tenet-desc {
  font-size: 0.84rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin: 0;
  font-weight: 400;
}

/* Stage Footer Controller */
.fd-stage-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 2;
}

.fd-stage-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--fd-radius-pill);
  font-family: var(--fd-font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.25s;
}

.fd-stage-nav-btn:hover {
  color: #ffffff;
  background: rgba(var(--pillar-accent-rgb), 0.2);
  border-color: var(--pillar-accent);
  transform: translateY(-1px);
}

.fd-stage-nav-hint {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  color: var(--fd-text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.fd-stage-nav-hint kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-size: 0.68rem;
  color: var(--fd-text-primary);
}

/* ─── 10.2 VIEW MODE 2: PANORAMIC BENTO WALL ───────────────────────────── */
.fd-bento-wall-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.fd-bento-wall-item {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.3);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 3.5vw, 3rem);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  background: var(--fd-bg-surface);
}

.fd-bento-wall__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.fd-bento-wall__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.35;
  filter: saturate(110%) contrast(115%) brightness(0.8);
  mix-blend-mode: luminosity;
  transform: scale(1.02);
  display: block;
}

.fd-bento-wall__scrim {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(120% 120% at 50% 0%, rgba(var(--pillar-accent-rgb), 0.14) 0%, rgba(13, 19, 34, 0.8) 45%, rgba(7, 11, 20, 0.94) 100%);
  pointer-events: none;
}

.fd-bento-wall-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2rem, 3vw, 3rem);
}

.fd-wall-hero__top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.fd-wall-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.fd-wall-num {
  font-family: var(--fd-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: #cbd5e1;
  text-transform: uppercase;
}

.fd-wall-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--pillar-accent-rgb), 0.22);
  color: var(--pillar-accent);
  border: 1px solid rgba(var(--pillar-accent-rgb), 0.4);
}

.fd-wall-title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 0.35rem;
}

.fd-wall-tagline {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pillar-accent);
  margin-bottom: 1rem;
}

.fd-wall-lead {
  font-size: 0.92rem;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.fd-wall-ai {
  font-size: 0.82rem;
  color: #f1f5f9;
  background: rgba(var(--pillar-accent-rgb), 0.12);
  border-left: 3px solid var(--pillar-accent);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--fd-radius-sm) var(--fd-radius-sm) 0;
  line-height: 1.55;
}

.fd-wall-ai strong {
  color: var(--pillar-accent);
}

.fd-wall-tenets-header {
  font-family: var(--fd-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #cbd5e1;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fd-wall-tenets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.fd-wall-tenet-card {
  background: rgba(13, 19, 34, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid rgba(var(--pillar-accent-rgb), 0.7);
  border-radius: var(--fd-radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  gap: 0.65rem;
  transition: all 0.25s;
}

.fd-wall-tenet-card:hover {
  background: rgba(var(--pillar-accent-rgb), 0.16);
  border-color: rgba(var(--pillar-accent-rgb), 0.45);
  transform: translateY(-2px);
}

.fd-wall-tenet-num {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--pillar-accent);
}

.fd-wall-tenet-body h5 {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 0.2rem;
}

.fd-wall-tenet-body p {
  font-size: 0.82rem;
  color: #cbd5e1;
  line-height: 1.55;
  margin: 0;
}

/* ─── 10.3 VIEW MODE 3: COMPARATIVE BLUEPRINT MATRIX ──────────────────── */
.fd-pillars-blueprint {
  background: radial-gradient(100% 100% at 50% 0%, rgba(139, 92, 246, 0.12) 0%, rgba(13, 19, 34, 0.72) 100%);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--fd-shadow-elevate);
}

.fd-blueprint-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

.fd-blueprint-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--fd-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fd-cyan-light);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.3rem 0.85rem;
  border-radius: var(--fd-radius-pill);
  margin-bottom: 0.85rem;
}

.fd-blueprint-title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.fd-blueprint-desc {
  font-size: 0.95rem;
  color: #e2e8f0;
  line-height: 1.7;
}

.fd-blueprint-table-wrap {
  overflow-x: auto;
  border-radius: var(--fd-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 11, 20, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  -webkit-overflow-scrolling: touch;
}

.fd-blueprint-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.86rem;
  min-width: 780px;
}

.fd-blueprint-table th {
  padding: 1.1rem 1.35rem;
  font-family: var(--fd-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fd-text-muted);
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.fd-blueprint-table td {
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--fd-text-secondary);
  line-height: 1.55;
  vertical-align: top;
}

.fd-blueprint-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.fd-blueprint-table tr:last-child td {
  border-bottom: none;
}

.fd-bp-pillar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--fd-text-primary);
}

.fd-bp-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--fd-ease-fast), text-decoration var(--fd-ease-fast);
}

.fd-bp-link:hover {
  color: var(--fd-gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.fd-bp-num {
  font-family: var(--fd-font-serif), 'Cinzel', serif;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.fd-bp-rule {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--fd-gold-light);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 0.3rem 0.65rem;
  border-radius: var(--fd-radius-sm);
  line-height: 1.4;
}

/* ─── 10.4 RESPONSIVE BREAKPOINTS ──────────────────────────────────────── */
@media (max-width: 1080px) {
  .fd-stage-canvas {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .fd-bento-wall-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .fd-studio-dock {
    flex-direction: column;
    align-items: stretch;
    top: 65px;
  }
  .fd-dock-rail {
    justify-content: center;
  }
  .fd-dock-modes {
    justify-content: center;
  }
  .fd-stage-tenets-grid,
  .fd-wall-tenets-grid {
    grid-template-columns: 1fr;
  }
  .fd-stage-footer-nav {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .fd-stage-watermark {
    font-size: 10rem;
    right: 0;
    bottom: 0;
  }
}

/* ─── 11. INGENUITY LADDER (THEORY OF CHANGE) ────────────────────────── */
.fd-theory {
  background: var(--fd-bg-surface-1);
  position: relative;
  overflow: hidden;
}

/* Ambient Backdrop Artwork (Full Cognitive Ladder) */
.fd-theory-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.fd-theory-backdrop picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fd-theory-backdrop__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.38;
  filter: saturate(108%) contrast(110%) brightness(0.72);
  display: block;
}

.fd-theory-backdrop__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(7, 11, 20, 0.65) 0%,
      rgba(7, 11, 20, 0.32) 25%,
      rgba(7, 11, 20, 0.42) 65%,
      rgba(7, 11, 20, 0.9) 100%);
  pointer-events: none;
}

.fd-theory-backdrop__glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle at 50% 30%, rgba(139, 92, 246, 0.14) 0%, rgba(245, 158, 11, 0.08) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.fd-theory > .fd-container,
.fd-theory > .fd-research__bottom-cta {
  position: relative;
  z-index: 2;
}

.fd-ladder-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 980px;
  margin: 0 auto 3rem;
  position: relative;
}

.fd-ladder-tier {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 1.25rem;
  align-items: stretch;
  scroll-margin-top: 100px;
}

.fd-ladder-tier:target .fd-ladder-tier__card {
  border-color: var(--tier-accent, var(--fd-violet));
  box-shadow: 0 0 35px rgba(var(--tier-accent-rgb, 139, 92, 246), 0.45), 0 20px 50px -10px rgba(0, 0, 0, 0.8);
  transform: translateY(-2px);
  transition: all 0.4s ease;
}

@media (max-width: 600px) {
  .fd-ladder-tier {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .fd-ladder-tier__indicator { display: none; }
}

.fd-ladder-tier__indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fd-ladder-tier__dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--tier-accent, var(--fd-violet));
  box-shadow: 0 0 14px var(--tier-accent, var(--fd-violet));
  border: 3px solid var(--fd-bg-surface-1);
  flex-shrink: 0;
}

.fd-ladder-tier__line {
  flex: 1;
  width: 2px;
  background: linear-gradient(180deg, var(--tier-accent, var(--fd-violet)), rgba(255, 255, 255, 0.08));
  margin-top: 4px;
}

.fd-ladder-tier:last-child .fd-ladder-tier__line { display: none; }

.fd-ladder-tier__card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--tier-accent-rgb, 139, 92, 246), 0.35);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7), 0 0 30px rgba(var(--tier-accent-rgb, 139, 92, 246), 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  background: transparent;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.fd-ladder-tier__card:hover {
  transform: translateX(6px);
  border-color: var(--tier-accent, var(--fd-violet));
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), 0 0 35px rgba(var(--tier-accent-rgb, 139, 92, 246), 0.25);
}

.fd-ladder-tier__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.fd-ladder-tier__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.55;
  filter: saturate(105%) contrast(108%) brightness(0.72);
  transform: scale(1.04);
  display: block;
  transition: transform 0.4s ease;
}

.fd-ladder-tier__card:hover .fd-ladder-tier__bg-img {
  transform: scale(1.08);
}

.fd-ladder-tier__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg,
    rgba(var(--tier-accent-rgb, 139, 92, 246), 0.14) 0%,
    rgba(7, 11, 20, 0.6) 30%,
    rgba(7, 11, 20, 0.78) 70%,
    rgba(7, 11, 20, 0.92) 100%);
  pointer-events: none;
}

.fd-ladder-tier__header,
.fd-ladder-tier__body,
.fd-ladder-tier__failure {
  position: relative;
  z-index: 2;
}

.fd-ladder-tier__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.85rem;
}

.fd-ladder-tier__badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tier-accent, var(--fd-violet-light));
  display: block;
  margin-bottom: 0.2rem;
}

.fd-ladder-tier__title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 800;
  color: #ffffff;
}

.fd-ladder-tier__ai-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--tier-accent-rgb, 139, 92, 246), 0.15);
  color: #ffffff;
  border: 1px solid rgba(var(--tier-accent-rgb, 139, 92, 246), 0.35);
}

.fd-ladder-tier__body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .fd-ladder-tier__body { grid-template-columns: 1fr; gap: 1rem; }
}

.fd-col-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #cbd5e1;
  margin-bottom: 0.5rem;
}

.fd-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.fd-skill-pill {
  font-size: 0.74rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(13, 19, 34, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.fd-ladder-tier__ai-desc {
  font-size: 0.84rem;
  color: #e2e8f0;
  line-height: 1.65;
}

.fd-ladder-tier__failure {
  background: rgba(13, 19, 34, 0.75);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--fd-radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: #fca5a5;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.fd-ladder-tier__failure i {
  color: var(--fd-rose);
  font-size: 1rem;
  flex-shrink: 0;
}

.fd-ladder-synthesis {
  background: rgba(13, 19, 34, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 980px;
  margin: 0 auto;
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .fd-ladder-synthesis { flex-direction: column; text-align: center; }
}

.fd-ladder-synthesis__icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--fd-violet);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--fd-violet);
}

.fd-ladder-synthesis__content {
  flex: 1;
  min-width: 0;
}

.fd-ladder-synthesis__content h4 {
  font-family: var(--fd-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.35rem;
}

.fd-ladder-synthesis__content p {
  font-size: 0.86rem;
  color: var(--fd-text-secondary);
  line-height: 1.65;
}

.fd-ladder-synthesis .fd-btn {
  flex-shrink: 0;
}

/* ─── 12. OPERATING MATRIX ───────────────────────────────────────────── */
.fd-matrix { background: var(--fd-bg-base); }

.fd-matrix-table-wrap {
  overflow-x: auto;
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: 2.5rem;
  box-shadow: var(--fd-shadow-soft);
  -webkit-overflow-scrolling: touch;
}

.fd-matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 680px;
}

.fd-matrix-table th {
  font-family: var(--fd-font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fd-text-muted);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fd-matrix-table td {
  padding: 1.15rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: top;
  font-size: 0.85rem;
  line-height: 1.6;
}

.fd-matrix-row:last-child td { border-bottom: none; }

.fd-matrix-badge {
  display: inline-block;
  font-family: var(--fd-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fd-matrix-badge--gold { background: rgba(245, 158, 11, 0.15); color: var(--fd-gold-light); border: 1px solid rgba(245, 158, 11, 0.3); }
.fd-matrix-badge--cyan { background: rgba(6, 182, 212, 0.15); color: var(--fd-cyan-light); border: 1px solid rgba(6, 182, 212, 0.3); }
.fd-matrix-badge--violet { background: rgba(139, 92, 246, 0.15); color: var(--fd-violet-light); border: 1px solid rgba(139, 92, 246, 0.3); }

.fd-rule-pill {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: var(--fd-gold-light);
  background: rgba(245, 158, 11, 0.06);
  padding: 0.55rem 0.75rem;
  border-radius: var(--fd-radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.18);
}
.fd-rule-pill i { margin-top: 3px; font-size: 0.7rem; flex-shrink: 0; }

.fd-matrix-tenets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .fd-matrix-tenets { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .fd-matrix-tenets { grid-template-columns: 1fr; }
}

.fd-tenet-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: transform 0.3s;
}

.fd-tenet-card:hover { transform: translateY(-3px); }

.fd-tenet-card__num {
  font-family: var(--fd-font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--fd-gold-light);
  margin-bottom: 0.4rem;
}

.fd-tenet-card h4 {
  font-family: var(--fd-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.4rem;
}

.fd-tenet-card p {
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.6;
}

/* ─── 13. ARTS & PHYSICAL AI SYNERGY ─────────────────────────────────── */
.fd-synergy { background: var(--fd-bg-surface-1); }

.fd-synergy__box {
  background: linear-gradient(135deg, #131d36, #090e1c);
  border: 1px solid rgba(244, 63, 94, 0.3);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
}

.fd-synergy__glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.22), transparent 70%);
  pointer-events: none;
}

.fd-synergy__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 900px) {
  .fd-synergy__grid { grid-template-columns: 1fr; gap: 2rem; }
}

.fd-synergy__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fd-rose);
  margin-bottom: 0.85rem;
}

.fd-synergy__title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  color: var(--fd-text-primary);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.fd-synergy__quote {
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--fd-rose);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--fd-radius-md) var(--fd-radius-md) 0;
  margin-bottom: 1.5rem;
}

.fd-synergy__quote p {
  font-family: var(--fd-font-display);
  font-size: 0.98rem;
  font-style: italic;
  color: var(--fd-text-primary);
  line-height: 1.6;
  margin-bottom: 0.35rem;
}

.fd-synergy__quote cite {
  font-size: 0.75rem;
  color: var(--fd-text-muted);
}

.fd-synergy__points {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fd-synergy-point {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.fd-synergy-point__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--fd-radius-md);
  background: rgba(244, 63, 94, 0.15);
  color: var(--fd-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.fd-synergy-point strong {
  display: block;
  font-size: 0.88rem;
  color: var(--fd-text-primary);
  margin-bottom: 0.15rem;
}

.fd-synergy-point p {
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.55;
}

.fd-synergy-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: 1.75rem;
  box-shadow: var(--fd-shadow-elevate);
}

.fd-synergy-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.fd-synergy-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fd-text-muted);
}

.fd-synergy-card__live-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--fd-rose);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fd-rose);
  animation: fd-pulse-dot 1.5s infinite;
}

.fd-synergy-card__stat-box {
  background: #050811;
  border-radius: var(--fd-radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}

.fd-stat-hero {
  font-family: var(--fd-font-display);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--fd-rose);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.fd-stat-desc {
  font-size: 0.78rem;
  color: var(--fd-text-secondary);
  line-height: 1.45;
}

.fd-synergy-card__insight {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--fd-text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.fd-synergy-card__insight i { color: var(--fd-gold-light); margin-top: 3px; }

/* Synergy Dual Convergence Tab Switcher */
.fd-synergy__nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 5;
}

.fd-synergy__tab {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--fd-radius-full, 9999px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--fd-text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  outline: none;
  font-family: inherit;
}

.fd-synergy__tab:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--fd-text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.fd-synergy__tab:focus-visible {
  box-shadow: 0 0 0 2px var(--fd-focus-ring);
}

.fd-synergy__tab--active {
  color: #ffffff !important;
}

.fd-synergy__tab--cyan.fd-synergy__tab--active {
  background: rgba(6, 182, 212, 0.16);
  border-color: #06b6d4;
  box-shadow: 0 0 20px -4px rgba(6, 182, 212, 0.45);
}

.fd-synergy__tab--rose.fd-synergy__tab--active {
  background: rgba(244, 63, 94, 0.16);
  border-color: #f43f5e;
  box-shadow: 0 0 20px -4px rgba(244, 63, 94, 0.45);
}

.fd-synergy__tab-icon {
  font-size: 0.95rem;
}

.fd-synergy__tab-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--fd-radius-sm);
  background: rgba(255, 255, 255, 0.1);
}

.fd-synergy__panel {
  display: none;
}

.fd-synergy__panel--active {
  display: block;
  animation: fd-synergy-fade-in 0.35s ease forwards;
}

@keyframes fd-synergy-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modifiers for box and glow */
.fd-synergy__box--cognitive {
  border-color: rgba(6, 182, 212, 0.35) !important;
}
.fd-synergy__glow--cognitive {
  background: radial-gradient(circle, rgba(6, 182, 212, 0.22), transparent 70%) !important;
}

/* ─── 14. FRAMEWORK (HOW WE WORK & OUTCOMES) ─────────────────────────── */
.fd-framework { background: var(--fd-bg-base); }

/* Tier Bookmarks Quick Navigation Bar */
.fd-tier-bookmarks-bar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.75rem auto 0;
  padding: 0.65rem 1.15rem;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--fd-radius-full, 9999px);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
}

.fd-tier-bookmarks-bar__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-secondary, #94a3b8);
}

.fd-tier-bookmarks-bar__label i {
  color: var(--fd-gold-light, #fbbf24);
}

.fd-tier-bookmarks-bar__items {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.fd-tier-bookmark-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.38rem 0.85rem;
  border-radius: var(--fd-radius-full, 9999px);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1.2;
}

.fd-tier-bookmark-chip__icon {
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
}

.fd-tier-bookmark-chip__badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.38rem;
  border-radius: 4px;
}

.fd-tier-bookmark-chip__arrow {
  font-size: 0.62rem;
  opacity: 0.6;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.fd-tier-bookmark-chip:hover .fd-tier-bookmark-chip__arrow {
  opacity: 1;
  transform: translateY(-2px);
}

/* Tier I: Foundational (Gold/Amber) */
.fd-tier-bookmark-chip--foundational {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
}
.fd-tier-bookmark-chip--foundational .fd-tier-bookmark-chip__badge {
  background: rgba(245, 158, 11, 0.25);
  color: #fef3c7;
}
.fd-tier-bookmark-chip--foundational:hover {
  background: rgba(245, 158, 11, 0.25);
  border-color: rgba(245, 158, 11, 0.7);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.3);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Tier II: Reflective (Cyan) */
.fd-tier-bookmark-chip--reflective {
  color: #22d3ee;
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
}
.fd-tier-bookmark-chip--reflective .fd-tier-bookmark-chip__badge {
  background: rgba(6, 182, 212, 0.25);
  color: #cffafe;
}
.fd-tier-bookmark-chip--reflective:hover {
  background: rgba(6, 182, 212, 0.25);
  border-color: rgba(6, 182, 212, 0.7);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.3);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Tier III: Advanced (Violet) */
.fd-tier-bookmark-chip--advanced {
  color: #a78bfa;
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.35);
}
.fd-tier-bookmark-chip--advanced .fd-tier-bookmark-chip__badge {
  background: rgba(139, 92, 246, 0.25);
  color: #ede9fe;
}
.fd-tier-bookmark-chip--advanced:hover {
  background: rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.7);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.3);
  color: #ffffff;
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .fd-tier-bookmarks-bar {
    border-radius: var(--fd-radius-lg, 16px);
    padding: 0.75rem 0.85rem;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
  }
  .fd-tier-bookmarks-bar__items {
    justify-content: center;
    width: 100%;
  }
  .fd-tier-bookmark-chip {
    flex: 1 1 auto;
    justify-content: center;
  }
}

.fd-work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

@media (max-width: 992px) {
  .fd-work-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .fd-work-grid { grid-template-columns: 1fr; }
}

.fd-work-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem;
  transition: transform 0.3s;
}

.fd-work-card:hover { transform: translateY(-3px); }

.fd-work-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--fd-radius-md);
  background: rgba(245, 158, 11, 0.12);
  color: var(--fd-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.fd-work-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.fd-work-card__text {
  font-size: 0.82rem;
  color: #cbd5e1;
  line-height: 1.65;
}

/* Success Benchmarks Wrap */
.fd-success-wrap {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 2.5rem;
  box-shadow: var(--fd-shadow-soft);
}

.fd-success-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 1rem;
}

.fd-success-header__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--fd-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fd-text-primary);
}
.fd-success-header__title i { color: var(--fd-gold-light); }

.fd-success-header__badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(16, 185, 129, 0.12);
  color: var(--fd-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.fd-success-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

@media (max-width: 1100px) {
  .fd-success-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .fd-success-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .fd-success-grid { grid-template-columns: 1fr; }
}

.fd-success-card {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--fd-radius-md);
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.fd-success-metric {
  display: block;
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--fd-cyan-light);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.fd-success-title {
  font-family: var(--fd-font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.35rem;
}

.fd-success-desc {
  font-size: 0.76rem;
  color: var(--fd-text-muted);
  line-height: 1.5;
}

/* Empirical Sources Strip */
.fd-sources-strip {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: 1.25rem;
}

.fd-sources-strip__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fd-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.fd-sources-strip__items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fd-source-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  color: var(--fd-text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.fd-source-chip:hover {
  background: rgba(139, 92, 246, 0.15);
  color: #ffffff;
  border-color: var(--fd-violet);
  transform: translateY(-1px);
}

.fd-source-chip__badge {
  font-family: var(--fd-font-mono);
  font-size: 0.65rem;
  color: var(--fd-gold-light);
  font-weight: 600;
}

.fd-source-chip__title {
  font-weight: 500;
}

.fd-source-chip__pub {
  color: var(--fd-text-muted);
  font-size: 0.68rem;
}

.fd-source-chip i {
  font-size: 0.65rem;
  color: var(--fd-text-muted);
}

/* ─── 15. AFFILIATED ECOSYSTEM ───────────────────────────────────────── */
.fd-affiliates { background: var(--fd-bg-surface-1); }

.fd-affiliates__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1100px) {
  .fd-affiliates__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .fd-affiliates__grid { grid-template-columns: 1fr; }
}

.fd-affiliate-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-xl);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--fd-ease-spring), border-color 0.35s, box-shadow 0.35s;
}

.fd-affiliate-card:hover {
  transform: translateY(-6px);
  border-color: var(--affiliate-accent, var(--fd-violet));
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.8), 0 0 30px rgba(var(--affiliate-accent-rgb, 139, 92, 246), 0.22);
}

.fd-affiliate-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.15rem;
}

.fd-affiliate-card__icon-wrap {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: var(--fd-radius-md);
  background: rgba(var(--affiliate-accent-rgb, 139, 92, 246), 0.12);
  border: 1px solid rgba(var(--affiliate-accent-rgb, 139, 92, 246), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.fd-affiliate-card__avatar-pic {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  display: block;
  position: relative;
  z-index: 1;
}

.fd-affiliate-card__avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
}

.fd-affiliate-card__icon {
  font-size: 1.5rem;
  line-height: 1;
}

.fd-affiliate-card__badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--affiliate-accent-rgb, 139, 92, 246), 0.15);
  color: var(--affiliate-accent, var(--fd-violet-light));
  border: 1px solid rgba(var(--affiliate-accent-rgb, 139, 92, 246), 0.25);
}

.fd-affiliate-card__name {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--fd-text-primary);
  margin-bottom: 0.25rem;
}

.fd-affiliate-card__tagline {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--affiliate-accent, var(--fd-violet-light));
  margin-bottom: 0.85rem;
}

.fd-affiliate-card__desc {
  font-size: 0.85rem;
  color: var(--fd-text-secondary);
  line-height: 1.65;
  margin-bottom: 1.15rem;
}

.fd-affiliate-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.fd-affiliate-tag {
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--fd-radius-sm);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--fd-text-secondary);
}

.fd-affiliate-card__footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.85rem;
}

.fd-affiliate-card__link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-family: var(--fd-font-mono);
  font-size: 0.78rem;
  color: var(--fd-text-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.fd-affiliate-card__link-btn:hover {
  color: var(--affiliate-accent, var(--fd-gold-light));
}

.fd-affiliate-card__arrow {
  transition: transform 0.25s var(--fd-ease-spring);
}

.fd-affiliate-card:hover .fd-affiliate-card__arrow {
  transform: translate(3px, -3px);
  color: var(--affiliate-accent, var(--fd-gold-light));
}

/* ─── 16. FOUNDER BOX ────────────────────────────────────────────────── */
.fd-founder { background: var(--fd-bg-base); }

.fd-founder__box {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: var(--fd-shadow-soft);
}

.fd-founder__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

@media (max-width: 900px) {
  .fd-founder__grid { grid-template-columns: 1fr; text-align: center; }
}

.fd-founder__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.fd-founder__monogram-wrap {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fd-founder__ring {
  position: absolute;
  border-radius: 50%;
  border-style: dashed;
}

.fd-founder__ring--1 { inset: 0; border-width: 1.5px; border-color: rgba(245, 158, 11, 0.4); animation: fd-spin 12s linear infinite; }
.fd-founder__ring--2 { inset: 10px; border-width: 1.5px; border-color: rgba(139, 92, 246, 0.4); animation: fd-spin-rev 8s linear infinite; }
.fd-founder__ring--3 { inset: 20px; border-width: 1px; border-color: rgba(6, 182, 212, 0.4); animation: fd-spin 15s linear infinite; }

@keyframes fd-spin { to { transform: rotate(360deg); } }
@keyframes fd-spin-rev { to { transform: rotate(-360deg); } }

.fd-founder__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #18233c, #090e1c);
  border: 2px solid var(--fd-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px var(--fd-gold-glow);
  position: relative;
  z-index: 2;
}

.fd-founder__img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.fd-founder__initials {
  font-family: var(--fd-font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: #ffffff;
}

.fd-founder__seal {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--fd-gold);
  color: #070b14;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.fd-founder__credentials {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.fd-cred-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.3rem 0.7rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.fd-founder__name {
  font-family: var(--fd-font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--fd-text-primary);
  margin-bottom: 0.25rem;
}

.fd-founder__role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fd-gold-light);
  margin-bottom: 1.15rem;
}

.fd-founder__bio-text {
  font-size: 0.92rem;
  color: var(--fd-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.35rem;
}

.fd-founder__pillars-quote {
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--fd-violet);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--fd-radius-md) var(--fd-radius-md) 0;
  margin-bottom: 1.5rem;
  font-family: var(--fd-font-display);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--fd-text-primary);
  line-height: 1.6;
  display: flex;
  gap: 0.65rem;
}

.fd-founder__pillars-quote i {
  color: var(--fd-violet-light);
  font-size: 1rem;
  margin-top: 2px;
}

.fd-founder__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

@media (max-width: 900px) {
  .fd-founder__actions { justify-content: center; }
}

/* ─── 17. PRINCIPLES & CTA ───────────────────────────────────────────── */
.fd-principles { background: var(--fd-bg-surface-1); }

.fd-principles__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .fd-principles__grid { grid-template-columns: 1fr; }
}

.fd-principle-card {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: transform 0.3s, border-color 0.3s;
}

.fd-principle-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.35);
}

.fd-principle-card__num {
  font-family: var(--fd-font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--fd-gold-light);
  line-height: 1;
  opacity: 0.8;
}

.fd-principle-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.35rem;
}

.fd-principle-card__text {
  font-size: 0.85rem;
  color: var(--fd-text-secondary);
  line-height: 1.65;
}

/* CTA Box */
.fd-cta { background: var(--fd-bg-base); }

.fd-cta__box {
  background: linear-gradient(135deg, #18233d, #0b1120);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.25rem, 3vw, 2rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--fd-shadow-elevate);
}

.fd-cta__glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 250px;
  background: radial-gradient(ellipse at top, var(--fd-violet-glow), transparent 70%);
  pointer-events: none;
}

.fd-cta__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.fd-cta__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
  margin-bottom: 1rem;
}

.fd-cta__title {
  font-family: var(--fd-font-display);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--fd-text-primary);
  margin-bottom: 1rem;
}

.fd-cta__title-gradient {
  background: linear-gradient(135deg, var(--fd-gold-light), var(--fd-violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fd-cta__desc {
  font-size: clamp(0.92rem, 1.8vw, 1.02rem);
  color: var(--fd-text-secondary);
  line-height: 1.75;
  margin-bottom: 2.25rem;
}

.fd-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 480px) {
  .fd-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .fd-cta__actions .fd-btn { width: 100%; }
}

.fd-cta__social-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
}

.fd-cta__social-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fd-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.fd-cta__social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.fd-social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--fd-text-secondary);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  transition: all 0.2s;
}

.fd-social-pill:hover {
  background: rgba(139, 92, 246, 0.15);
  color: var(--fd-text-primary);
  border-color: var(--fd-violet);
  transform: translateY(-2px);
}

/* ─── 18. FOOTER ─────────────────────────────────────────────────────── */
.fd-footer {
  background: #04070d;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: clamp(2.25rem, 4vw, 3.5rem) 0 clamp(1.25rem, 2.5vw, 2rem);
  position: relative;
  z-index: 10;
  width: 100%;
}

.fd-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.15fr;
  gap: clamp(1.5rem, 2.5vw, 2.75rem);
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

/* Tablet: 3 columns with Brand on top spanning full width */
@media (min-width: 768px) and (max-width: 1024px) {
  .fd-footer__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem 1.5rem;
  }
  .fd-footer__brand-col {
    grid-column: 1 / -1;
    max-width: 600px;
    margin-bottom: 0.5rem;
  }
}

/* Small Tablet / Large Phone: 2-column layout */
@media (min-width: 581px) and (max-width: 767px) {
  .fd-footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem 1.25rem;
  }
  .fd-footer__brand-col {
    grid-column: 1 / -1;
    max-width: 100%;
    margin-bottom: 0.25rem;
  }
}

/* Mobile: Single clean stacked column */
@media (max-width: 580px) {
  .fd-footer__grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    margin-bottom: 1.5rem;
  }
}

.fd-footer__brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  margin-bottom: 0.85rem;
}

.fd-footer__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fd-footer__brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.fd-footer__brand-name span {
  font-family: var(--fd-font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--fd-text-primary);
  letter-spacing: -0.01em;
}

.fd-footer__brand-name strong {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
}

.fd-footer__tagline {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.45;
}

.fd-footer__mission-short {
  font-size: 0.8rem;
  color: var(--fd-text-muted);
  line-height: 1.6;
  max-width: 340px;
}

@media (max-width: 767px) {
  .fd-footer__mission-short { max-width: 100%; }
}

.fd-footer__heading {
  font-family: var(--fd-font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fd-gold-light);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fd-footer__nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0;
  margin: 0;
}

.fd-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--fd-text-secondary);
  text-decoration: none;
  transition: color 0.2s, transform 0.2s;
  padding: 0.35rem 0;
  min-height: 38px;
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.fd-footer__link:hover {
  color: var(--fd-gold-light);
  transform: translateX(3px);
}

.fd-footer__link-num {
  font-family: var(--fd-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--fd-gold);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.fd-footer__link i {
  font-size: 0.75rem;
  color: var(--fd-text-muted);
  transition: color 0.2s;
  flex-shrink: 0;
}

.fd-footer__link:hover i {
  color: var(--fd-gold-light);
}

.fd-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
}

@media (max-width: 768px) {
  .fd-footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.85rem;
    padding-top: 1.25rem;
  }
}

.fd-footer__copyright {
  font-size: 0.8rem;
  color: var(--fd-text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .fd-footer__copyright {
    text-align: center;
    font-size: 0.75rem;
  }
}

.fd-footer__links-bottom {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .fd-footer__links-bottom {
    justify-content: center;
    gap: 0.6rem;
  }
}

.fd-footer__legal-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fd-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  padding: 0.25rem 0;
}

.fd-footer__legal-link:hover {
  color: var(--fd-gold-light);
  text-decoration: underline;
}

.fd-footer__legal-sep {
  font-size: 0.8rem;
  color: var(--fd-text-dim);
  opacity: 0.8;
  user-select: none;
}

.fd-footer__back-top {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fd-gold-light);
  text-decoration: none;
  padding: 0.25rem 0.6rem;
  border-radius: var(--fd-radius-sm);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  transition: all 0.2s;
}

.fd-footer__back-top:hover {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fff;
}

/* ─── 19. MATRIX SCROLL HINT & TABLE RESPONSIVENESS ─────────────────── */
.fd-matrix-scroll-hint {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--fd-gold-light);
  margin-bottom: 0.85rem;
  padding: 0.4rem 0.85rem;
  background: rgba(245, 158, 11, 0.08);
  border-radius: var(--fd-radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.2);
  width: fit-content;
}

@media (max-width: 768px) {
  .fd-matrix-scroll-hint {
    display: inline-flex;
  }
}

/* ─── 20. 404 ERROR & AGENT DISPATCH PAGE ────────────────────────────── */
.fd-404 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(7rem, 12vw, 10rem) 0 clamp(4rem, 6vw, 6rem);
}

.fd-404__box {
  background: linear-gradient(135deg, var(--fd-bg-surface-2), var(--fd-bg-surface-1));
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl);
  padding: clamp(2rem, 5vw, 4rem) clamp(1.25rem, 3vw, 2.5rem);
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
  box-shadow: var(--fd-shadow-elevate);
  position: relative;
  overflow: hidden;
}

.fd-404__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fd-gold-light);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: var(--fd-radius-pill);
  margin-bottom: 1.25rem;
}

.fd-404__title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--fd-text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.fd-404__desc {
  font-size: clamp(0.92rem, 1.8vw, 1.05rem);
  color: var(--fd-text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.fd-404__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

@media (max-width: 480px) {
  .fd-404__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .fd-404__actions .fd-btn {
    width: 100%;
  }
}

.fd-404__agent-card {
  background: #050811;
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-md);
  padding: 1.25rem;
  text-align: left;
}

.fd-404__agent-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-cyan-light);
  margin-bottom: 0.75rem;
}

.fd-404__code {
  font-family: var(--fd-font-mono);
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Page Hero (Interior Pages) ────────────────────────────────────── */
.fd-page-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 3rem;
  background: var(--fd-bg-base);
  border-bottom: 1px solid rgba(139,92,246,0.15);
}

.fd-page-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.fd-page-hero__glow--amber {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(251,191,36,0.12) 0%, transparent 70%);
  top: -100px; left: -80px;
}
.fd-page-hero__glow--violet {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.10) 0%, transparent 70%);
  top: -80px; right: -60px;
}

.fd-page-hero__container {
  position: relative;
  z-index: 1;
}

.fd-page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--fd-text-muted);
  margin-bottom: 1.75rem;
}
.fd-page-hero__breadcrumb-home {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--fd-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.fd-page-hero__breadcrumb-home:hover { color: var(--fd-gold-light); }
.fd-page-hero__breadcrumb-sep { font-size: 0.65rem; }
.fd-page-hero__breadcrumb-current { color: var(--fd-text-primary); font-weight: 600; }

.fd-page-hero__content { max-width: 100%; width: 100%; }

.fd-page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fd-gold-light);
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: var(--fd-radius-pill);
  padding: 0.4rem 1rem;
  margin-bottom: 1.25rem;
}

.fd-page-hero__title {
  font-family: var(--fd-font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fd-text-primary);
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #f8fafc 30%, var(--fd-gold-light) 70%, var(--fd-violet-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fd-page-hero__desc {
  font-size: 1.05rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  max-width: 100%;
  margin: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Navbar active state */
.fd-navbar__link--active {
  color: var(--fd-gold-light) !important;
  position: relative;
}
.fd-navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--fd-gold-light);
  border-radius: var(--fd-radius-pill);
}

/* ─── Home Teaser Grid ───────────────────────────────────────────────── */
.fd-teaser { background: var(--fd-bg-surface-1); }

.fd-teaser__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .fd-teaser__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.fd-teaser-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--fd-bg-glass-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--fd-radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--fd-ease-spring),
              border-color 0.3s,
              box-shadow 0.3s;
  backdrop-filter: blur(12px);
}

.fd-teaser-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(var(--teaser-accent-rgb),0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.fd-teaser-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--teaser-accent-rgb), 0.3);
  box-shadow: 0 20px 50px rgba(var(--teaser-accent-rgb), 0.12),
              0 0 0 1px rgba(var(--teaser-accent-rgb), 0.15);
}
.fd-teaser-card:hover::before { opacity: 1; }

.fd-teaser-card__icon-wrap {
  position: relative;
  width: 56px; height: 56px;
  flex-shrink: 0;
}
.fd-teaser-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  font-size: 1.75rem;
  background: rgba(var(--teaser-accent-rgb), 0.12);
  border: 1px solid rgba(var(--teaser-accent-rgb), 0.2);
  border-radius: var(--fd-radius-md);
  position: relative;
  z-index: 1;
  transition: background 0.3s, border-color 0.3s;
}
.fd-teaser-card:hover .fd-teaser-card__icon {
  background: rgba(var(--teaser-accent-rgb), 0.2);
  border-color: rgba(var(--teaser-accent-rgb), 0.4);
}
.fd-teaser-card__icon-glow {
  position: absolute;
  inset: -4px;
  border-radius: var(--fd-radius-md);
  background: radial-gradient(circle, rgba(var(--teaser-accent-rgb), 0.25), transparent 70%);
  filter: blur(10px);
  opacity: 0;
  transition: opacity 0.3s;
}
.fd-teaser-card:hover .fd-teaser-card__icon-glow { opacity: 1; }

.fd-teaser-card__body { flex: 1; }

.fd-teaser-card__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(var(--teaser-accent-rgb), 0.9);
  margin-bottom: 0.5rem;
}

.fd-teaser-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.fd-teaser-card__desc {
  font-size: 0.88rem;
  color: var(--fd-text-secondary);
  line-height: 1.65;
  margin: 0;
}

.fd-teaser-card__cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--teaser-accent, var(--fd-gold-light));
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  transition: gap 0.2s;
}
.fd-teaser-card:hover .fd-teaser-card__cta { gap: 0.75rem; }

.fd-teaser-card__glow {
  position: absolute;
  bottom: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(var(--teaser-accent-rgb), 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(20px);
  transition: opacity 0.3s;
  opacity: 0;
}
.fd-teaser-card:hover .fd-teaser-card__glow { opacity: 1; }

@media (max-width: 768px) {
  .fd-page-hero { padding: 4rem 0 2rem; }
  .fd-teaser__grid { grid-template-columns: 1fr; }
  .fd-teaser-card { padding: 1.5rem; }
}

/* ─── Research Work & Publications Section ───────────────────────────── */
.fd-research {
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  padding: clamp(3rem, 5vw, 4.5rem) 0 clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--fd-border-subtle);
}

/* Ensure any last section before footer has snug, well-proportioned bottom padding */
main > .fd-section:last-child,
main > section:last-of-type,
.fd-section:last-child {
  padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.fd-research-byline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--fd-text-secondary);
  margin-top: 0.35rem;
  margin-bottom: 0.75rem;
}

.fd-research-author-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--fd-gold-light);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s, transform 0.2s;
}
.fd-research-author-link:hover {
  color: #fff;
  text-shadow: 0 0 12px var(--fd-gold-glow);
  transform: translateY(-1px);
}

.fd-research-callout {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--fd-radius-pill);
  padding: 0.6rem 1.4rem;
  margin: 1.25rem 0 0.5rem;
  max-width: 100%;
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--fd-ease-smooth);
}
.fd-research-callout:hover {
  background: rgba(139, 92, 246, 0.14);
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 4px 20px -4px rgba(139, 92, 246, 0.25);
}

.fd-research-callout__icon {
  color: var(--fd-gold-light);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.fd-research-callout__body {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.fd-research-callout__label {
  font-weight: 700;
  color: var(--fd-text-primary);
}

.fd-research-callout__link {
  color: var(--fd-cyan-light);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s;
}
.fd-research-callout__link:hover {
  color: #fff;
  text-decoration: underline;
}

.fd-research__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  margin-top: 2rem;
  margin-bottom: 0;
}

.fd-research-card {
  position: relative;
  background: var(--fd-bg-glass-card);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px);
  transition: transform 0.3s var(--fd-ease-spring), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.fd-research-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-accent, var(--fd-violet-light));
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.6),
              0 0 30px -8px rgba(var(--card-accent-rgb, 139,92,246), 0.35);
}

.fd-research-card__glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--card-accent-rgb, 139,92,246), 0.12), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.3s;
}
.fd-research-card:hover .fd-research-card__glow {
  opacity: 1;
}

.fd-research-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.fd-research-card__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--fd-radius-md);
  background: rgba(var(--card-accent-rgb, 139,92,246), 0.12);
  border: 1px solid rgba(var(--card-accent-rgb, 139,92,246), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--card-accent, var(--fd-violet-light));
  font-size: 1.25rem;
  transition: transform 0.3s;
}
.fd-research-card:hover .fd-research-card__icon-wrap {
  transform: scale(1.08) rotate(3deg);
  background: rgba(var(--card-accent-rgb, 139,92,246), 0.2);
}

.fd-research-card__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.fd-research-card__badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--card-accent-rgb, 139,92,246), 0.15);
  color: var(--card-accent, var(--fd-violet-light));
  border: 1px solid rgba(var(--card-accent-rgb, 139,92,246), 0.3);
}

.fd-research-card__doi {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  color: var(--fd-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.fd-research-card__doi:hover {
  color: var(--fd-gold-light);
  text-decoration: underline;
}

.fd-research-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.35rem;
  line-height: 1.35;
  color: var(--fd-text-primary);
  margin-bottom: 0.75rem;
}

.fd-research-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.fd-research-card__title a:hover {
  color: var(--card-accent, var(--fd-gold-light));
}

.fd-research-card__subtitle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.65rem;
  border-radius: var(--fd-radius-sm);
  margin-bottom: 0.85rem;
}

.fd-research-card__journal {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  color: var(--fd-gold-light);
  margin-bottom: 1rem;
}

.fd-research-card__abstract {
  font-size: 0.94rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* Research Telemetry Grid */
.fd-research-card__telemetry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(var(--card-accent-rgb, 139,92,246), 0.2);
  border-radius: var(--fd-radius-md);
  padding: 1.15rem;
  margin-bottom: 1.5rem;
}

.fd-research-telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem;
  border-radius: var(--fd-radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.fd-research-telemetry-val {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--card-accent, var(--fd-gold-light));
  line-height: 1.2;
}

.fd-research-telemetry-lbl {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fd-text-primary);
}

.fd-research-telemetry-detail {
  font-size: 0.72rem;
  color: var(--fd-text-muted);
  line-height: 1.4;
}

/* Research Breakdown Sections */
.fd-research-card__breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.fd-research-breakdown-block {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--fd-radius-md);
  padding: 1rem 1.15rem;
  transition: border-color 0.25s, background 0.25s;
}

.fd-research-breakdown-block:hover {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(var(--card-accent-rgb, 139,92,246), 0.3);
}

.fd-research-breakdown-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--fd-font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--card-accent, var(--fd-violet-light));
  margin-bottom: 0.65rem;
}

.fd-research-breakdown-title i {
  font-size: 0.85rem;
  color: var(--card-accent, var(--fd-gold-light));
}

.fd-research-breakdown-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.fd-research-breakdown-list li {
  font-size: 0.84rem;
  color: var(--fd-text-secondary);
  line-height: 1.55;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.fd-research-breakdown-list li i {
  color: var(--card-accent, var(--fd-emerald));
  font-size: 0.72rem;
  margin-top: 0.28rem;
  flex-shrink: 0;
}

.fd-research-breakdown-list li code {
  font-family: var(--fd-font-mono);
  font-size: 0.76rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--fd-gold-light);
}

.fd-research-card__parts {
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--fd-radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}

.fd-research-card__parts-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.fd-research-card__parts ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fd-research-card__parts li {
  font-size: 0.82rem;
  color: var(--fd-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.fd-research-card__parts li i {
  color: var(--fd-emerald);
  font-size: 0.75rem;
}

.fd-research-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.fd-research-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--fd-radius-pill);
  padding: 0.2rem 0.6rem;
}

.fd-research-card__footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.fd-research-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.fd-research__bottom-cta {
  text-align: center;
  margin-top: clamp(1.5rem, 2.5vw, 2.25rem);
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .fd-research { padding: clamp(2.5rem, 4vw, 3.5rem) 0 1.5rem; }
  .fd-research__grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .fd-research-card { padding: 1.5rem; }
  .fd-research-callout { border-radius: var(--fd-radius-md); }
  .fd-research__bottom-cta { margin-top: 1.25rem; }
}

/* ─── Research Detail Article Pages (Luxury Executive Design System) ────── */
.fd-article-section {
  position: relative;
  padding: 3rem 0 6rem;
  background: radial-gradient(circle at 20% 0%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
              radial-gradient(circle at 80% 40%, rgba(6, 182, 212, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.04) 0%, transparent 50%),
              var(--fd-bg-base);
  border-top: 1px solid var(--fd-border-subtle);
}

/* Research Header Meta Card */
.fd-research-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  background: rgba(13, 19, 34, 0.75);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: 1.25rem 1.75rem;
  margin-bottom: 2.5rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 36px -10px rgba(0, 0, 0, 0.6);
}

.fd-meta-author-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.fd-meta-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--fd-gold-light);
  box-shadow: 0 0 16px var(--fd-gold-glow);
  background: var(--fd-bg-surface-2);
  object-fit: cover;
}

.fd-meta-author-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.fd-meta-author-name {
  font-family: var(--fd-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fd-meta-author-title {
  font-size: 0.82rem;
  color: var(--fd-text-secondary);
}

.fd-meta-badges-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.fd-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--fd-border-subtle);
  color: var(--fd-text-secondary);
  transition: all 0.2s;
  text-decoration: none;
}

.fd-meta-badge:hover {
  color: var(--fd-text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--fd-border-medium);
}

.fd-meta-badge--gold {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--fd-gold-light);
}

.fd-meta-badge--violet {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.35);
  color: var(--fd-violet-light);
}

.fd-meta-badge--cyan {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--fd-cyan-light);
}

/* Research Metadata HUD */
.fd-research-hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 1024px) {
  .fd-research-hud {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .fd-research-hud {
    grid-template-columns: 1fr;
  }
}

.fd-research-hud .fd-hud-item {
  position: relative;
  background: var(--fd-bg-glass-card);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.3s var(--fd-ease-spring), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.fd-research-hud .fd-hud-item:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--fd-violet-light));
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7),
              0 0 30px -10px rgba(var(--card-accent-rgb, 139, 92, 246), 0.3);
}

.fd-research-hud .fd-hud-item__glow {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--card-accent-rgb, 139, 92, 246), 0.25), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.fd-research-hud .fd-hud-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.fd-research-hud .fd-hud-icon {
  font-size: 1.25rem;
  color: var(--card-accent, var(--fd-gold-light));
}

.fd-research-hud .fd-hud-pill {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--card-accent-rgb, 139, 92, 246), 0.15);
  color: var(--card-accent, var(--fd-violet-light));
  border: 1px solid rgba(var(--card-accent-rgb, 139, 92, 246), 0.3);
}

.fd-research-hud .fd-hud-val {
  font-family: var(--fd-font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--card-accent, var(--fd-gold-light));
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.fd-research-hud .fd-hud-val--violet { color: var(--fd-violet-light); }
.fd-research-hud .fd-hud-val--cyan { color: var(--fd-cyan-light); }
.fd-research-hud .fd-hud-val--emerald { color: var(--fd-emerald); }
.fd-research-hud .fd-hud-val--rose { color: var(--fd-rose); }

.fd-research-hud .fd-hud-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fd-text-primary);
}

.fd-research-hud .fd-hud-desc {
  font-size: 0.82rem;
  color: var(--fd-text-secondary);
  line-height: 1.45;
}

/* Article Layout Grid */
.fd-article-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .fd-article-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Sticky Research Sidebar Navigation */
.fd-article-sidebar {
  position: sticky;
  top: 90px;
  background: rgba(13, 19, 34, 0.8);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem 1.25rem;
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}

.fd-sidebar-title,
.fd-toc-header {
  font-family: var(--fd-font-display);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-gold-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--fd-border-subtle);
}

.fd-sidebar-toc {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fd-sidebar-toc li {
  display: flex;
}

.fd-sidebar-toc a,
#article-toc a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  font-size: 0.84rem;
  color: var(--fd-text-secondary);
  text-decoration: none;
  padding: 0.45rem 0.65rem;
  border-radius: var(--fd-radius-sm);
  border-left: 2px solid transparent;
  transition: all 0.2s var(--fd-ease-smooth);
  line-height: 1.35;
}

.fd-sidebar-toc a .fd-toc-num,
#article-toc a .fd-toc-num {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--fd-text-muted);
  flex-shrink: 0;
}

.fd-sidebar-toc a:hover,
#article-toc a:hover {
  color: var(--fd-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-left-color: var(--fd-border-bright);
}

.fd-sidebar-toc a.is-active,
#article-toc a.is-active {
  color: #ffffff;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.04));
  border-left-color: var(--fd-violet-light);
  font-weight: 600;
  box-shadow: inset 0 0 12px rgba(139, 92, 246, 0.1);
}

.fd-sidebar-toc a.is-active .fd-toc-num,
#article-toc a.is-active .fd-toc-num {
  color: var(--fd-gold-light);
}

.fd-sidebar-divider {
  height: 1px;
  background: var(--fd-border-subtle);
  margin: 0.35rem 0;
}

/* Reading Progress Indicator */
.fd-toc-progress {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 0.8rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--fd-radius-md);
  margin-top: 0.25rem;
}

.fd-toc-progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}

.fd-progress-label {
  font-family: var(--fd-font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--fd-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.fd-progress-label i {
  color: var(--fd-gold-light);
  font-size: 0.75rem;
}

.fd-progress-pct {
  font-family: var(--fd-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fd-cyan-light);
}

.fd-progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--fd-radius-pill);
  overflow: hidden;
  position: relative;
}

.fd-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #8b5cf6, #06b6d4);
  border-radius: var(--fd-radius-pill);
  transition: width 0.12s ease-out;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.fd-sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--fd-border-subtle);
}

@media (max-width: 1024px) {
  .fd-article-sidebar {
    position: static;
    max-height: none;
  }
}

/* Article Main Content */
.fd-article-body {
  min-width: 0;
}

.fd-article-block {
  margin-bottom: 4rem;
  scroll-margin-top: 110px;
  position: relative;
}

.fd-article-heading {
  font-family: var(--fd-font-display);
  font-size: 1.85rem;
  line-height: 1.3;
  color: var(--fd-text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--fd-border-medium);
}

.fd-article-heading .fd-heading-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--fd-radius-sm);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fd-violet-light);
  font-size: 1.15rem;
  flex-shrink: 0;
}

.fd-article-subheading {
  font-family: var(--fd-font-display);
  font-size: 1.35rem;
  color: var(--fd-text-primary);
  margin: 2.25rem 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.fd-article-subheading i {
  color: var(--fd-cyan-light);
  font-size: 1.1rem;
}

.fd-article-lead {
  font-size: 1.15rem;
  line-height: 1.85;
  color: #f1f5f9;
  margin-bottom: 1.5rem;
  font-weight: 400;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fd-article-p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--fd-text-secondary);
  margin-bottom: 1.35rem;
}

/* Callout Banners */
.fd-article-callout {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-left: 4px solid var(--fd-violet);
  border-radius: var(--fd-radius-md);
  padding: 1.65rem 1.85rem;
  margin: 2.25rem 0;
  backdrop-filter: blur(8px);
}

.fd-article-callout--amber {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  border-left-color: var(--fd-gold);
}

.fd-article-callout--cyan {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.3);
  border-left-color: var(--fd-cyan);
}

.fd-article-callout--emerald {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
  border-left-color: var(--fd-emerald);
}

.fd-callout-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fd-text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.fd-callout-desc {
  font-size: 0.96rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* High-Fidelity Data Tables */
.fd-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 2.25rem 0;
  border-radius: var(--fd-radius-lg);
  border: 1px solid var(--fd-border-medium);
  background: rgba(13, 19, 34, 0.7);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}

.fd-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.fd-table th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--fd-text-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--fd-border-bright);
}

.fd-table td {
  padding: 1.1rem 1.35rem;
  color: var(--fd-text-secondary);
  border-bottom: 1px solid var(--fd-border-subtle);
  vertical-align: top;
  line-height: 1.65;
}

.fd-table tr:last-child td {
  border-bottom: none;
}

.fd-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.fd-table-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.22rem 0.6rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(139, 92, 246, 0.15);
  color: var(--fd-violet-light);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.fd-table-badge--drop {
  background: rgba(16, 185, 129, 0.15);
  color: var(--fd-emerald);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.fd-table-badge--spike {
  background: rgba(244, 63, 94, 0.15);
  color: var(--fd-rose);
  border-color: rgba(244, 63, 94, 0.35);
  box-shadow: 0 0 10px rgba(244, 63, 94, 0.2);
}

.fd-table-badge--neutral {
  background: rgba(245, 158, 11, 0.15);
  color: var(--fd-gold-light);
  border-color: rgba(245, 158, 11, 0.35);
}

/* Feature & Matrix Cards */
.fd-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2.25rem 0;
}

.fd-matrix-card {
  position: relative;
  background: var(--fd-bg-glass-card);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 25px -8px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s var(--fd-ease-spring), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.fd-matrix-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--fd-violet-light));
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7),
              0 0 25px -8px rgba(var(--card-accent-rgb, 139, 92, 246), 0.25);
}

.fd-matrix-card__icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--fd-radius-md);
  background: rgba(var(--card-accent-rgb, 139, 92, 246), 0.15);
  border: 1px solid rgba(var(--card-accent-rgb, 139, 92, 246), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--card-accent, var(--fd-gold-light));
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.fd-matrix-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  color: var(--fd-text-primary);
  line-height: 1.35;
}

.fd-matrix-card__desc {
  font-size: 0.92rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  margin: 0;
}

.fd-matrix-card__list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.fd-matrix-card__list li {
  font-size: 0.86rem;
  color: var(--fd-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  line-height: 1.5;
}

.fd-matrix-card__list li i {
  color: var(--fd-emerald);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* Metric Rating Bars */
.fd-metric-row {
  display: grid;
  grid-template-columns: 200px 1fr 140px;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--fd-border-subtle);
  font-size: 0.88rem;
}

.fd-metric-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.fd-metric-name {
  font-weight: 700;
  color: var(--fd-text-primary);
}

.fd-metric-desc {
  color: var(--fd-text-secondary);
  line-height: 1.5;
}

.fd-metric-score-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: flex-end;
}

.fd-metric-score-bar {
  width: 80px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--fd-radius-pill);
  overflow: hidden;
}

.fd-metric-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--fd-violet), var(--fd-gold-light));
  border-radius: var(--fd-radius-pill);
}

.fd-metric-score-val {
  font-family: var(--fd-font-mono);
  font-weight: 700;
  color: var(--fd-gold-light);
  font-size: 0.82rem;
}

/* Architectural Blueprint Diagram Box */
.fd-blueprint-box {
  background: rgba(10, 15, 28, 0.85);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: var(--fd-radius-lg);
  padding: 2.25rem;
  margin: 2.5rem 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7),
              0 0 30px -10px rgba(6, 182, 212, 0.2);
}

.fd-blueprint-box__glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.fd-blueprint-title {
  font-family: var(--fd-font-display);
  font-size: 1.35rem;
  color: var(--fd-cyan-light);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.fd-blueprint-desc {
  font-size: 0.95rem;
  color: var(--fd-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.fd-blueprint-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.fd-blueprint-layer {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--fd-radius-md);
  padding: 1.1rem 1.4rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.25rem;
  align-items: center;
  transition: all 0.25s;
}

.fd-blueprint-layer:hover {
  background: rgba(6, 182, 212, 0.06);
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateX(4px);
}

.fd-blueprint-layer-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--fd-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fd-blueprint-layer-name i {
  color: var(--fd-cyan-light);
}

.fd-blueprint-layer-detail {
  font-size: 0.88rem;
  color: var(--fd-text-secondary);
  line-height: 1.55;
}

/* Citations Box */
.fd-citation-box {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--fd-border-bright);
  border-radius: var(--fd-radius-md);
  padding: 1.5rem 1.75rem;
  font-family: var(--fd-font-mono);
  font-size: 0.86rem;
  color: #cbd5e1;
  line-height: 1.7;
  position: relative;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fd-citation-copy-btn {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* Code Snippet Container for CI/CD Gates */
.fd-code-block {
  background: rgba(6, 10, 20, 0.9);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  margin: 1.5rem 0;
  overflow: hidden;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}

.fd-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--fd-border-subtle);
}

.fd-code-title {
  font-family: var(--fd-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fd-gold-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fd-code-lang {
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(139, 92, 246, 0.15);
  color: var(--fd-violet-light);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.fd-code-content {
  padding: 1.25rem 1.5rem;
  font-family: var(--fd-font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  color: #cbd5e1;
  overflow-x: auto;
  margin: 0;
}

.fd-code-content code {
  font-family: inherit;
  background: transparent;
  padding: 0;
  color: inherit;
}

.fd-code-keyword { color: #f43f5e; font-weight: 600; }
.fd-code-string { color: #10b981; }
.fd-code-comment { color: #64748b; font-style: italic; }
.fd-code-prop { color: #06b6d4; }
.fd-code-val { color: #fbbf24; }

/* ─── Modern Software Architecture Roadmap Section ──────────────────────── */
.fd-roadmap-section {
  position: relative;
  margin-top: clamp(2rem, 3.5vw, 3rem);
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--fd-border-medium);
}

.fd-roadmap-header {
  text-align: center;
  max-width: 880px;
  margin: 0 auto clamp(1.5rem, 3vw, 2.25rem);
}

.fd-roadmap-eyebrow {
  display: inline-flex;
  margin: 0 auto 0.75rem;
  background: rgba(249, 115, 22, 0.12);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.fd-roadmap-title {
  font-family: var(--fd-font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.fd-roadmap-subtitle {
  font-size: clamp(0.92rem, 1.8vw, 1.05rem);
  color: var(--fd-text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.fd-roadmap-byline {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--fd-text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 1rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid var(--fd-border-subtle);
}

.fd-roadmap-byline-link {
  color: #fb923c;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}
.fd-roadmap-byline-link:hover {
  color: #fff;
  text-decoration: underline;
}

/* ─── Roadmap Architectural Prelude ─────────────────────────────────────── */
.fd-roadmap-prelude {
  position: relative;
  background: linear-gradient(135deg, rgba(20, 27, 45, 0.75) 0%, rgba(13, 19, 34, 0.9) 100%);
  border: 1px solid rgba(249, 115, 22, 0.25);
  border-left: 4px solid #f97316;
  border-radius: var(--fd-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  margin: 0 auto clamp(1.5rem, 3vw, 2.25rem);
  max-width: 920px;
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
}

.fd-roadmap-prelude__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.fd-roadmap-prelude__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  padding: 0.35rem 0.8rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.fd-roadmap-prelude__tagline {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--fd-text-muted);
  font-style: italic;
  letter-spacing: 0.02em;
}

.fd-roadmap-prelude__body {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.fd-roadmap-prelude__para {
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(241, 245, 249, 0.92);
  margin: 0;
  font-family: var(--fd-font-body);
}

.fd-roadmap-prelude__para:first-of-type {
  font-size: 1.05rem;
  color: #ffffff;
  font-weight: 450;
}

/* Roadmap Principles Grid (How to Read This Roadmap) */
.fd-roadmap-principles {
  background: linear-gradient(135deg, rgba(13, 19, 34, 0.9) 0%, rgba(20, 27, 45, 0.8) 100%);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
}

.fd-roadmap-principles__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fb923c;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--fd-border-subtle);
}

.fd-roadmap-principles__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 1.25rem;
}

.fd-roadmap-principle-card {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  height: 100%;
}

.fd-roadmap-principle-card__icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--fd-radius-md);
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fb923c;
  font-size: 0.95rem;
}

.fd-roadmap-principle-card__content {
  flex: 1;
}

.fd-roadmap-principle-card__title {
  font-family: var(--fd-font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.3rem;
  line-height: 1.35;
}

.fd-roadmap-principle-card__desc {
  font-size: 0.81rem;
  color: var(--fd-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ─── Complete Agentic AI Reference Architectural Catalog ───────────────── */
.fd-roadmap-ref-catalog {
  background: linear-gradient(145deg, rgba(13, 19, 34, 0.95) 0%, rgba(20, 27, 45, 0.85) 100%);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  margin-bottom: clamp(2rem, 3.5vw, 2.75rem);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.6);
}

.fd-roadmap-ref-intro {
  max-width: 680px;
}

.fd-roadmap-ref-lead {
  font-size: 0.95rem;
  color: var(--fd-text-secondary);
  line-height: 1.6;
  margin-top: 0.4rem;
}

.fd-roadmap-block-tag--link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border-color: rgba(249, 115, 22, 0.35);
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.fd-roadmap-block-tag--link:hover {
  background: rgba(249, 115, 22, 0.25);
  color: #fff;
  transform: translateY(-2px);
}

.fd-roadmap-ref-pillars__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.fd-roadmap-ref-pillar-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(var(--pillar-accent-rgb, 139, 92, 246), 0.25);
  border-radius: var(--fd-radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.fd-roadmap-ref-pillar-card:hover {
  border-color: var(--pillar-accent, var(--fd-violet-light));
  box-shadow: 0 10px 25px -8px rgba(var(--pillar-accent-rgb, 139, 92, 246), 0.3);
  transform: translateY(-2px);
}

.fd-roadmap-ref-pillar-header {
  margin-bottom: 1.15rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fd-roadmap-ref-pillar-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.fd-roadmap-ref-pillar-emoji {
  font-size: 1.2rem;
}

.fd-roadmap-ref-pillar-title {
  font-family: var(--fd-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.fd-roadmap-ref-pillar-lead {
  font-size: 0.78rem;
  color: var(--fd-text-muted);
  line-height: 1.45;
  margin: 0;
  min-height: 2.8em;
}

.fd-roadmap-ref-patterns-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex-grow: 1;
}

.fd-roadmap-ref-pattern-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--fd-radius-sm);
  padding: 0.75rem 0.85rem;
  text-decoration: none;
  flex: 1;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.fd-roadmap-ref-pattern-item:hover {
  background: rgba(var(--pillar-accent-rgb, 139, 92, 246), 0.12);
  border-color: rgba(var(--pillar-accent-rgb, 139, 92, 246), 0.4);
  transform: translateX(3px);
}

.fd-roadmap-ref-pattern-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.3rem;
}

.fd-roadmap-ref-pattern-emoji {
  font-size: 0.95rem;
  flex-shrink: 0;
}

.fd-roadmap-ref-pattern-name {
  font-family: var(--fd-font-display);
  font-size: 0.85rem;
  color: #fff;
  font-weight: 700;
  flex-grow: 1;
  line-height: 1.3;
}

.fd-roadmap-ref-pattern-arrow {
  font-size: 0.7rem;
  color: var(--pillar-accent, var(--fd-gold-light));
  opacity: 0.6;
  transition: opacity 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.fd-roadmap-ref-pattern-item:hover .fd-roadmap-ref-pattern-arrow {
  opacity: 1;
  transform: translateX(3px);
}

.fd-roadmap-ref-pattern-desc {
  font-size: 0.76rem;
  color: var(--fd-text-secondary);
  line-height: 1.45;
  margin: 0;
}

/* Phase Section Header */
.fd-roadmap-phases-header {
  margin-bottom: 2rem;
}

.fd-roadmap-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.fd-roadmap-block-title {
  font-family: var(--fd-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
}

.fd-roadmap-block-title i {
  color: #fb923c;
}

.fd-roadmap-block-desc {
  font-size: 0.92rem;
  color: var(--fd-text-secondary);
  margin-top: 0.35rem;
}

.fd-roadmap-block-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(6, 182, 212, 0.12);
  color: var(--fd-cyan-light);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.fd-roadmap-block-tag--warn {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.25);
}

/* 6-Phase Cards Grid */
.fd-roadmap-phases__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: clamp(2rem, 3.5vw, 2.75rem);
}

.fd-roadmap-phase-card {
  position: relative;
  background: var(--fd-bg-glass-card);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-lg);
  padding: clamp(1.25rem, 2vw, 1.65rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  overflow: hidden;
  height: 100%;
  transition: transform 0.3s var(--fd-ease-spring), border-color 0.3s, box-shadow 0.3s;
}

.fd-roadmap-phase-card:hover {
  transform: translateY(-4px);
  border-color: var(--phase-accent, #fb923c);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6),
              0 0 24px -6px rgba(var(--phase-accent-rgb, 249, 115, 22), 0.3);
}

.fd-roadmap-phase-card__glow {
  position: absolute;
  top: -50px; right: -50px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--phase-accent-rgb, 249, 115, 22), 0.14), transparent 70%);
  filter: blur(25px);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.fd-roadmap-phase-card:hover .fd-roadmap-phase-card__glow {
  opacity: 1;
}

.fd-roadmap-phase-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.fd-roadmap-phase-card__num-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.fd-roadmap-phase-card__num {
  font-family: var(--fd-font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--phase-accent, #fb923c);
  letter-spacing: 0.05em;
}

.fd-roadmap-phase-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--fd-radius-sm);
  background: rgba(var(--phase-accent-rgb, 249, 115, 22), 0.12);
  border: 1px solid rgba(var(--phase-accent-rgb, 249, 115, 22), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--phase-accent, #fb923c);
  font-size: 1rem;
}

.fd-roadmap-phase-card__badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--phase-accent-rgb, 249, 115, 22), 0.12);
  color: var(--phase-accent, #fb923c);
  border: 1px solid rgba(var(--phase-accent-rgb, 249, 115, 22), 0.25);
  white-space: nowrap;
}

.fd-roadmap-phase-card__body {
  margin: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.fd-roadmap-phase-card__title {
  font-family: var(--fd-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin: 0;
}

.fd-roadmap-phase-card__goal {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--fd-radius-sm);
  padding: 0.75rem 0.85rem;
}

.fd-roadmap-goal-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.fd-roadmap-phase-card__goal p {
  font-size: 0.84rem;
  color: var(--fd-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.fd-roadmap-phase-card__patterns {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.fd-roadmap-patterns-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.fd-roadmap-phase-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.fd-roadmap-pattern-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--fd-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--fd-text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}
.fd-roadmap-pattern-chip:hover {
  background: rgba(var(--phase-accent-rgb, 249, 115, 22), 0.15);
  border-color: rgba(var(--phase-accent-rgb, 249, 115, 22), 0.4);
  color: #fff;
}
.fd-roadmap-pattern-chip i {
  font-size: 0.62rem;
}

.fd-roadmap-phase-card__actions-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.fd-roadmap-actions-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.fd-roadmap-phase-card__actions-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fd-roadmap-phase-card__actions-list li {
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.45;
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}

.fd-roadmap-phase-card__actions-list li i {
  color: var(--phase-accent, #fb923c);
  font-size: 0.7rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.fd-roadmap-phase-card__deliverable {
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--fd-radius-sm);
  padding: 0.65rem 0.85rem;
  margin-top: auto;
}

.fd-roadmap-deliv-badge {
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-emerald);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.2rem;
}

.fd-roadmap-deliv-text {
  font-size: 0.78rem;
  color: #fff;
  font-weight: 600;
  line-height: 1.35;
}

/* Roadmap Tables (Governance Cadence & RACI) */
.fd-roadmap-governance,
.fd-roadmap-raci {
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.fd-roadmap-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  background: var(--fd-bg-glass-card);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.5);
}

.fd-roadmap-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.fd-roadmap-table th {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-family: var(--fd-font-display);
  font-weight: 700;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--fd-border-medium);
  white-space: nowrap;
}

.fd-roadmap-table td {
  padding: 0.8rem 1.1rem;
  color: var(--fd-text-secondary);
  border-bottom: 1px solid var(--fd-border-subtle);
  vertical-align: middle;
  line-height: 1.5;
}

.fd-roadmap-table tr:last-child td {
  border-bottom: none;
}

.fd-roadmap-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.fd-roadmap-phase-badge {
  font-family: var(--fd-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: #fb923c;
  background: rgba(249, 115, 22, 0.12);
  padding: 0.2rem 0.5rem;
  border-radius: var(--fd-radius-sm);
  border: 1px solid rgba(249, 115, 22, 0.25);
  white-space: nowrap;
}

.fd-roadmap-target {
  color: var(--fd-emerald);
  font-weight: 600;
}

.fd-roadmap-tooling {
  font-family: var(--fd-font-mono);
  font-size: 0.78rem;
  color: var(--fd-cyan-light);
}

/* RACI Badges */
.fd-raci-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--fd-radius-sm);
  white-space: nowrap;
}

.fd-raci-badge--a {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.fd-raci-badge--r {
  background: rgba(6, 182, 212, 0.15);
  color: var(--fd-cyan-light);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.fd-raci-badge--c {
  background: rgba(245, 158, 11, 0.15);
  color: var(--fd-gold-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.fd-raci-informed {
  font-size: 0.8rem;
  color: var(--fd-text-muted);
}

/* Anti-Patterns Grid (2x2 + 1 Layout) */
.fd-roadmap-antipatterns {
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.fd-roadmap-antipatterns__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.fd-roadmap-antipatterns__grid .fd-roadmap-ap-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.fd-roadmap-ap-card {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  background: var(--fd-bg-glass-card);
  border: 1px solid rgba(244, 63, 94, 0.2);
  border-radius: var(--fd-radius-md);
  padding: 1.15rem;
  backdrop-filter: blur(12px);
  height: 100%;
  transition: transform 0.25s, border-color 0.25s;
}

.fd-roadmap-ap-card:hover {
  transform: translateY(-2px);
  border-color: rgba(244, 63, 94, 0.45);
  background: rgba(244, 63, 94, 0.04);
}

.fd-roadmap-ap-card__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--fd-radius-sm);
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fb7185;
  font-size: 0.95rem;
}

.fd-roadmap-ap-card__name {
  font-family: var(--fd-font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.fd-roadmap-ap-card__desc {
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Appendix: Source Traceability (2x2 + 1 Layout) */
.fd-roadmap-appendix {
  background: linear-gradient(135deg, rgba(13, 19, 34, 0.85) 0%, rgba(20, 27, 45, 0.75) 100%);
  border: 1px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 0;
}

.fd-roadmap-appendix__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.fd-roadmap-appendix__grid .fd-roadmap-source-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.fd-roadmap-source-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-md);
  padding: 0.75rem 0.85rem;
  height: 100%;
}

.fd-roadmap-source-phase {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--fd-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: #fb923c;
}

.fd-roadmap-source-phase i {
  color: var(--fd-cyan-light);
}

.fd-roadmap-source-ref {
  font-size: 0.8rem;
  color: var(--fd-text-secondary);
  line-height: 1.45;
}

.fd-roadmap-appendix__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding-top: 1rem;
  border-top: 1px solid var(--fd-border-subtle);
}

@media (max-width: 768px) {
  .fd-roadmap-section { margin-top: 2rem; padding-top: 1.5rem; }
  .fd-roadmap-prelude { padding: 1.25rem 1rem; margin-bottom: 1.5rem; }
  .fd-roadmap-ref-catalog { padding: 1.25rem 1rem; margin-bottom: 1.75rem; }
  .fd-roadmap-principles { padding: 1.25rem 1rem; margin-bottom: 1.75rem; }
  .fd-roadmap-phases__grid { gap: 1rem; margin-bottom: 1.75rem; }
  .fd-roadmap-antipatterns__grid { grid-template-columns: 1fr; }
  .fd-roadmap-antipatterns__grid .fd-roadmap-ap-card:last-child:nth-child(odd) { grid-column: auto; }
  .fd-roadmap-appendix { padding: 1.25rem 1rem; }
  .fd-roadmap-appendix__grid { grid-template-columns: 1fr; }
  .fd-roadmap-appendix__grid .fd-roadmap-source-item:last-child:nth-child(odd) { grid-column: auto; }
  .fd-roadmap-ref-pillar-lead { min-height: auto; }
}




/* =====================================================================
   RESPONSIVE COMPREHENSIVE OVERHAUL — All Device Sizes
   Breakpoints: 1400px (XL) · 1200px (LG) · 1024px (MD-LG) · 900px (MD)
                768px (SM-MD) · 640px (SM) · 480px (XS) · 380px (2XS) · 320px (3XS)
   ===================================================================== */

/* ─── ULTRA WIDE (> 1400px) ──────────────────────────────────────────── */
@media (min-width: 1400px) {
  .fd-container { padding: 0 3rem; }
}

/* ─── LARGE TABLETS / SMALL DESKTOPS (≤ 1200px) ───────────────────── */
@media (max-width: 1200px) {
  /* Dock buttons — hide text, show only icon + number on crowded screens */
  .fd-dock-btn__title { max-width: 8rem; }
  /* Research grid — single column full width */
  .fd-research__grid { grid-template-columns: 1fr; }
}

/* ─── TABLETS (≤ 1024px) ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  /* Blueprint layer two-column to one-column */
  .fd-blueprint-layer {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  /* Metric row — collapse fixed columns */
  .fd-metric-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .fd-metric-score-wrap { justify-content: flex-start; }
  /* Article callout padding */
  .fd-article-callout { padding: 1.25rem 1.35rem; }
  /* Article heading icon stays but text wraps */
  .fd-article-heading { flex-wrap: wrap; font-size: 1.6rem; }
  /* Research meta bar wraps cleanly */
  .fd-research-meta-bar { flex-direction: column; align-items: flex-start; }
  .fd-meta-badges-wrap { justify-content: flex-start; }
  /* Hero glow orbs — shrink to avoid overflow */
  .fd-hero__glow--amber { width: 240px; height: 240px; }
  .fd-hero__glow--violet { width: 280px; height: 280px; }
  .fd-hero__glow--cyan { width: 200px; height: 200px; }
}

/* ─── MEDIUM SCREENS (≤ 900px) ──────────────────────────────────────── */
@media (max-width: 900px) {
  /* Hero section — single column, better spacing */
  .fd-hero {
    padding: clamp(6rem, 10vw, 8rem) 0 clamp(3rem, 5vw, 4.5rem);
    min-height: auto;
  }
  .fd-hero__content { text-align: center; }
  .fd-hero__eyebrow { margin: 0 auto 1.25rem; }
  .fd-hero__lead { margin: 0 auto 2rem; }
  .fd-hero__ctas { justify-content: center; }
  .fd-hero__stats { max-width: 480px; margin: 0 auto; }
  /* Signal widget — reduce internal padding */
  .fd-signal-widget { padding: 1rem; }
  /* Dock pills — abbreviate text further */
  .fd-dock-btn__title { max-width: 7rem; font-size: 0.78rem; }
  /* Stage footer nav stacks */
  .fd-stage-footer-nav { flex-wrap: wrap; gap: 0.75rem; }
  /* Stage hint hidden on small screens (touch users don't need keyboard hints) */
  .fd-stage-nav-hint { display: none; }
}

/* ─── MEDIUM-SMALL (≤ 768px) ────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Global section spacing reduction */
  .fd-section { padding: clamp(3rem, 6vw, 5rem) 0; }
  /* Navbar brand: prevent overflow on small viewports */
  .fd-navbar__brand-name { font-size: 0.95rem; }
  .fd-navbar__brand-sub { font-size: 0.62rem; letter-spacing: 0.1em; }
  /* Page hero inner spacing */
  .fd-page-hero { padding: 3.5rem 0 1.75rem; }
  .fd-page-hero__content { max-width: 100%; }
  .fd-page-hero__desc { font-size: 0.98rem; overflow-wrap: break-word; word-wrap: break-word; }
  /* Hero scroll indicator — hide on mobile (too cramped) */
  .fd-hero__scroll-indicator { display: none; }
  /* Mission: Vision banner meta — stack author + button */
  .fd-vision-banner__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  /* Research callout — full width, readable */
  .fd-research-callout {
    display: flex;
    width: 100%;
  }
  /* Research card header — allow stacking on narrow screens */
  .fd-research-card__header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .fd-research-card__meta { align-items: flex-start; }
  /* Research grid — single column */
  .fd-research__grid { grid-template-columns: 1fr; }
  /* Affiliates: already handled by base 1100px/680px breakpoints */
  /* Framework work grid — already 2-col at 992, keep; adjust for 768 */
  /* Synergy stat hero font size */
  .fd-stat-hero { font-size: 2rem; }
  /* Research HUD: already 2-col at 1024, stays */
  /* Footer bottom: center everything */
  .fd-footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
  }
  .fd-footer__copyright { text-align: center; }
  .fd-footer__links-bottom { justify-content: center; }
  /* Pill-nav in pillars dock: center when wrapping */
  .fd-studio-dock { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .fd-dock-rail { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .fd-dock-modes { justify-content: center; }
  /* Blueprint table: horizontal scroll (already has min-width) */
  .fd-blueprint-table-wrap { -webkit-overflow-scrolling: touch; }
  /* Matrix table: horizontal scroll */
  .fd-matrix-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  /* Telemetry grid on stage: 2-col */
  .fd-telemetry-grid { grid-template-columns: repeat(2, 1fr); }
  /* Article lead reduce */
  .fd-article-lead { font-size: 1.05rem; }
  .fd-article-p { font-size: 0.98rem; }
  .fd-article-heading { font-size: 1.5rem; }
  .fd-article-subheading { font-size: 1.15rem; }
  /* Code block reduce padding */
  .fd-code-content { font-size: 0.8rem; padding: 1rem; }
  /* Citation box reduce padding */
  .fd-citation-box { padding: 1.25rem; font-size: 0.82rem; }
  /* Blueprint box reduce padding */
  .fd-blueprint-box { padding: 1.5rem; }
  /* CTA box reduce */
  .fd-cta__box { padding: 2rem 1.25rem; }
  /* Roadmap prelude reduce */
  .fd-roadmap-prelude { padding: 1.5rem 1.5rem; }
}

/* ─── SMALL PHONES (≤ 640px) ────────────────────────────────────────── */
@media (max-width: 640px) {
  /* Dock buttons — show only icon, hide text label entirely */
  .fd-dock-btn__title { display: none; }
  .fd-dock-btn { padding: 0.45rem 0.65rem; gap: 0.3rem; }
  /* Hero stats: properly 2-col */
  .fd-hero__stats { grid-template-columns: repeat(2, 1fr); }
  /* Signal widget canvas height reduction */
  #fd-wave-canvas { height: 110px; }
  /* Founder grid — single col (already at 900px but redo values for 640) */
  .fd-founder__monogram-wrap { width: 150px; height: 150px; }
  /* Synergy grid fix */
  .fd-synergy-card { padding: 1.25rem; }
  .fd-stat-hero { font-size: 1.75rem; }
  /* Wall tenets: 1 col */
  .fd-wall-tenets-grid { grid-template-columns: 1fr; }
  /* Stage tenets: 1 col */
  .fd-stage-tenets-grid { grid-template-columns: 1fr; }
  /* Research telemetry: 1 col */
  .fd-research-card__telemetry { grid-template-columns: 1fr; }
  /* Matrix tenets (already 1 col at 540, fine) */
  /* Success grid (already fine) */
  /* Footer grid single col override */
  .fd-footer__grid { grid-template-columns: 1fr; }
  /* Back to top button positioning */
  .fd-back-to-top { bottom: 1rem; right: 1rem; }
  /* Section eyebrow reduce */
  .fd-section-eyebrow { font-size: 0.68rem; padding: 0.3rem 0.75rem; }
  /* Stage dock modes scroll */
  .fd-dock-modes { overflow-x: auto; -webkit-overflow-scrolling: touch; justify-content: flex-start; }
  .fd-mode-btn { white-space: nowrap; }
  /* Telemetry grid — 1 col on very small */
  .fd-telemetry-grid { grid-template-columns: repeat(3, 1fr); }
  /* Article callout inner spacing */
  .fd-article-callout { padding: 1rem; }
  /* Research meta bar reduce spacing */
  .fd-research-meta-bar { padding: 1rem; gap: 1rem; }
  /* Blueprint box single col layer */
  .fd-blueprint-layer { padding: 0.85rem 1rem; }
  /* Ladder stack gap */
  .fd-ladder-stack { gap: 1rem; }
  /* Teaser grid ensures single column */
  .fd-teaser__grid { grid-template-columns: 1fr; }
}

/* ─── EXTRA SMALL PHONES (≤ 480px) ─────────────────────────────────── */
@media (max-width: 480px) {
  /* Navbar brand: hide sub-label on very tight screens */
  .fd-navbar__brand-sub { display: none; }
  /* Reduce container padding to give more content space */
  .fd-container { padding: 0 1rem; }
  /* Hero title spacing */
  .fd-hero__title { margin-bottom: 1rem; }
  .fd-hero__lead { font-size: 0.9rem; }
  /* CTA buttons full-width in hero */
  .fd-hero__ctas { gap: 0.75rem; }
  /* Stats strip: 2-col with tighter padding */
  .fd-hero__stats { padding: 0.85rem; gap: 0.75rem; }
  .fd-hero__stat-val { font-size: 1.4rem; }
  /* Signal widget — reduce further */
  .fd-signal-widget { padding: 0.85rem; border-radius: var(--fd-radius-lg); }
  .fd-signal-widget__header { flex-direction: column; align-items: flex-start; gap: 0.45rem; }
  .fd-signal-widget__explanation { font-size: 0.76rem; min-height: auto; }
  /* Page hero title */
  .fd-page-hero { padding: 3rem 0 1.5rem; }
  /* Mission reality bridge */
  .fd-reality-bridge { padding: 1.25rem; }
  /* Vision banner: remove quote mark on mobile */
  .fd-vision-banner__quote-mark { display: none; }
  .fd-vision-banner { flex-direction: column; padding: 1.25rem; }
  /* Founder box reduce padding */
  .fd-founder__box { padding: 1.5rem; }
  /* Founder credentials: horizontal scrollable row on very small */
  .fd-founder__credentials { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  /* Principles cards */
  .fd-principle-card { flex-direction: column; gap: 0.85rem; align-items: flex-start; }
  /* Telemetry grid: 2 col */
  .fd-telemetry-grid { grid-template-columns: repeat(2, 1fr); }
  /* Work grid: already 1 col at 540 */
  /* Success wrap reduce */
  .fd-success-wrap { padding: 1rem; }
  .fd-success-grid { grid-template-columns: repeat(2, 1fr); }
  /* Stage panel padding */
  .fd-stage-panel { padding: 1.5rem 1.15rem; }
  /* Bento wall item padding */
  .fd-bento-wall-item { padding: 1.5rem 1.15rem; }
  /* Matrix section */
  .fd-matrix-section-wrap { padding: 1.25rem; }
  /* Research card footer actions stack */
  .fd-research-card__actions { flex-direction: column; align-items: stretch; }
  .fd-research-card__actions .fd-btn { width: 100%; justify-content: center; }
  /* Roadmap appendix */
  .fd-roadmap-appendix__actions { flex-direction: column; align-items: stretch; }
  .fd-roadmap-appendix__actions .fd-btn { width: 100%; justify-content: center; }
  /* Footer mission short — allow full width */
  .fd-footer__mission-short { max-width: 100%; }
  /* Social strip pills — wrap cleanly */
  .fd-cta__social-links { gap: 0.45rem; }
  .fd-social-pill { font-size: 0.72rem; padding: 0.35rem 0.65rem; }
  /* Ladder tier card padding */
  .fd-ladder-tier__card { padding: 1rem; }
  /* Scenario buttons stack on signal widget */
  .fd-signal-widget__tabs { grid-template-columns: 1fr; gap: 0.35rem; }
  /* HUD items: text truncation prevention */
  .fd-hud-val { word-break: break-word; }
  /* Article heading icon — smaller */
  .fd-article-heading .fd-heading-icon { width: 30px; height: 30px; font-size: 0.9rem; }
  .fd-article-heading { font-size: 1.35rem; gap: 0.65rem; }
  /* Blueprint box title */
  .fd-blueprint-title { font-size: 1.15rem; }
  /* Roadmap prelude header: vertical */
  .fd-roadmap-prelude__header { flex-direction: column; align-items: flex-start; }
}

/* ─── TINY PHONES (≤ 380px) ────────────────────────────────────────── */
@media (max-width: 380px) {
  /* Baseline font sizes */
  html { font-size: 15px; }
  /* Navbar: compress everything */
  .fd-navbar__logo-gem svg { width: 28px; height: 28px; }
  .fd-navbar__brand-name { font-size: 0.88rem; }
  .fd-header { padding: 0.85rem 0; }
  /* Hero title */
  .fd-hero__title { font-size: clamp(2rem, 9vw, 2.6rem); }
  /* Stats single col */
  .fd-hero__stats { grid-template-columns: repeat(2, 1fr); padding: 0.75rem; gap: 0.65rem; }
  .fd-hero__stat-val { font-size: 1.25rem; }
  /* Remove stat detail on tiny screens */
  .fd-hero__stat-detail { display: none; }
  /* Section title */
  .fd-section-title { font-size: clamp(1.75rem, 7vw, 2.2rem); }
  /* Teaser card padding */
  .fd-teaser-card { padding: 1.25rem; }
  /* Signal widget canvas */
  #fd-wave-canvas { height: 90px; }
  /* Footer grid already 1 col */
  /* Buttons: ensure min tap target */
  .fd-btn { min-height: 44px; padding: 0.75rem 1.25rem; }
  .fd-btn--sm { min-height: 38px; }
  /* Research card padding */
  .fd-research-card { padding: 1.15rem; }
  /* Stage panel */
  .fd-stage-panel { padding: 1.25rem 1rem; }
  /* Bento wall */
  .fd-bento-wall-item { padding: 1.25rem 1rem; }
  /* Page hero title */
  .fd-page-hero__title { font-size: clamp(1.75rem, 8vw, 2.5rem); }
  /* Principle card  */
  .fd-principle-card { padding: 1rem; }
  /* Vision banner  */
  .fd-vision-banner { padding: 1rem; }
  /* Work grid: 1 col */
  .fd-work-grid { grid-template-columns: 1fr; }
  /* Success grid: 1 col */
  .fd-success-grid { grid-template-columns: 1fr; }
  /* Telemetry grid: 1-col */
  .fd-telemetry-grid { grid-template-columns: 1fr; }
  /* Blueprint layer padding */
  .fd-blueprint-layer { padding: 0.75rem; }
  /* Scroll smoothness */
  .fd-navbar__links { scroll-behavior: smooth; }
}

/* ─── MINIMUM SUPPORTED WIDTH (320px) ──────────────────────────────── */
@media (max-width: 320px) {
  html { font-size: 14px; }
  .fd-container { padding: 0 0.75rem; }
  .fd-hero__stats { grid-template-columns: 1fr 1fr; gap: 0.5rem; padding: 0.65rem; }
  .fd-navbar__brand-name { font-size: 0.82rem; }
  .fd-hero__eyebrow { font-size: 0.6rem; padding: 0.3rem 0.65rem; }
  .fd-signal-widget__badge { font-size: 0.65rem; }
  #fd-wave-canvas { height: 80px; }
  .fd-founder__box { padding: 1.25rem; }
  .fd-founder__monogram-wrap { width: 120px; height: 120px; }
}

/* ─── LANDSCAPE MOBILE (short + wide) ───────────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .fd-hero {
    min-height: auto;
    padding: 5rem 0 2.5rem;
  }
  .fd-hero__grid { gap: 1.5rem; }
  .fd-hero__scroll-indicator { display: none; }
  /* Navbar compact */
  .fd-header { padding: 0.65rem 0; }
}

/* ─── PRINT STYLES ───────────────────────────────────────────────────── */
@media print {
  .fd-header, .fd-back-to-top, .fd-hero__scroll-indicator,
  .fd-studio-dock, .fd-navbar__hamburger, .fd-navbar__backdrop,
  [data-animate] {
    display: none !important;
  }
  body.fd-body {
    background: #fff !important;
    color: #000 !important;
  }
  .fd-container { max-width: 100%; padding: 0; }
  .fd-section { padding: 2rem 0; }
  a { color: #000; text-decoration: underline; }
}

/* ─── HIGH-DPI / RETINA REFINEMENTS ─────────────────────────────────── */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Ensure borders don't appear too thick */
  .fd-navbar__hamburger span { height: 1.5px; }
}

/* ─── HOVER NOT AVAILABLE (TOUCH-ONLY DEVICES) ──────────────────────── */
@media (hover: none) and (pointer: coarse) {
  /* Disable translateY hover transforms on touch — no hover state on mobile */
  .fd-teaser-card:hover,
  .fd-reality-card:hover,
  .fd-work-card:hover,
  .fd-tenet-card:hover,
  .fd-stage-tenet-card:hover,
  .fd-wall-tenet-card:hover,
  .fd-research-card:hover,
  .fd-matrix-card:hover,
  .fd-fd-hud-item:hover,
  .fd-principle-card:hover,
  .fd-founder__box:hover {
    transform: none;
    box-shadow: none;
  }
  /* Increase tap targets for interactive elements */
  .fd-dock-btn { min-height: 44px; }
  .fd-scenario-btn { min-height: 48px; }
  .fd-navbar__link { padding: 0.65rem 0.8rem; }
  /* Prevent hover effects that linger on touch devices */
  .fd-footer__link:hover { transform: none; }
}

/* ─── CLEAN DESIGN SYSTEM EXTENSIONS (docs/clean-website-style-prompt.md) ── */

/* 1. Filter / Tab Controls Bar */
.fd-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.5rem 0.25rem 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
  overscroll-behavior-x: contain;
}
.fd-filter-bar::-webkit-scrollbar {
  display: none;
}

.fd-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.15rem;
  min-height: 44px;
  flex-shrink: 0;
  background: var(--fd-bg-surface-2);
  color: var(--fd-text-secondary);
  border: 1.5px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-pill);
  font-family: var(--fd-font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: all 0.2s ease;
}

.fd-filter-btn:hover,
.fd-filter-btn:focus-visible {
  color: #ffffff;
  border-color: var(--fd-border-bright);
  background: var(--fd-bg-surface-3);
}

.fd-filter-btn.is-active {
  background: linear-gradient(135deg, var(--fd-gold-light), var(--fd-gold));
  color: #070b14;
  border-color: var(--fd-gold-light);
  box-shadow: 0 4px 14px var(--fd-gold-glow);
  font-weight: 700;
}

.fd-filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.45rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--fd-radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

.fd-filter-btn.is-active .fd-filter-count {
  background: rgba(0, 0, 0, 0.35);
  color: #ffffff;
}

@media (max-width: 640px) {
  .fd-filter-btn {
    padding: 0.55rem 0.95rem;
    font-size: 0.84rem;
  }
}

/* 2. Instant Search Controls */
.fd-search-box {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin-bottom: 1.5rem;
}

.fd-search-box__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fd-text-muted);
  pointer-events: none;
  font-size: 0.95rem;
}

.fd-search-input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 2.75rem 0.75rem 2.65rem;
  background: var(--fd-bg-surface-1);
  border: 1.5px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-md);
  color: #ffffff;
  font-family: var(--fd-font-sans);
  font-size: 1rem;
  line-height: 1.5;
  transition: all 0.2s ease;
  outline: none;
}

.fd-search-input::placeholder {
  color: var(--fd-text-muted);
}

.fd-search-input:focus {
  border-color: var(--fd-gold-light);
  box-shadow: 0 0 0 3px var(--fd-gold-glow);
  background: var(--fd-bg-surface-2);
}

.fd-search-clear {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--fd-text-muted);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
}

.fd-search-clear:hover {
  color: #ffffff;
}

/* 3. Expandable Disclosure (details/summary) */
.fd-disclosure {
  width: 100%;
  border: 1px solid var(--fd-border-medium);
  background: var(--fd-bg-surface-1);
  border-radius: var(--fd-radius-md);
  margin: 1.25rem 0;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.fd-disclosure[open] {
  border-color: var(--fd-border-bright);
}

.fd-disclosure__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.98rem;
  color: #ffffff;
  background: var(--fd-bg-surface-2);
  user-select: none;
  touch-action: manipulation;
}

.fd-disclosure__summary::-webkit-details-marker {
  display: none;
}

.fd-disclosure__summary:hover,
.fd-disclosure__summary:focus-visible {
  background: var(--fd-bg-surface-3);
}

.fd-disclosure__icon {
  transition: transform 0.25s ease;
  color: var(--fd-gold-light);
  font-size: 0.85rem;
}

.fd-disclosure[open] .fd-disclosure__icon {
  transform: rotate(180deg);
}

.fd-disclosure__content {
  padding: 1.25rem;
  color: var(--fd-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  border-top: 1px solid var(--fd-border-subtle);
  background: var(--fd-bg-surface-1);
}

/* 4. Uniform Card Grid & Uniform Cards */
.fd-uniform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .fd-uniform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .fd-uniform-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.fd-uniform-card {
  display: flex;
  flex-direction: column;
  background: var(--fd-bg-surface-1);
  border: 1.5px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.fd-uniform-card:hover {
  border-color: var(--fd-border-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

.fd-uniform-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.fd-uniform-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--fd-text-primary);
  border: 1px solid var(--fd-border-medium);
}

.fd-uniform-card__num {
  font-family: var(--fd-font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--fd-gold-light);
}

.fd-uniform-card__num--roman {
  font-family: var(--fd-font-serif), 'Cinzel', Georgia, serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  color: var(--card-accent, var(--fd-gold-light));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 28px;
  padding: 0 0.5rem;
  border-radius: var(--fd-radius-sm, 6px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: all 0.25s var(--fd-ease-spring);
}

.fd-uniform-card:hover .fd-uniform-card__num--roman {
  border-color: var(--card-accent, var(--fd-gold-light));
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 12px rgba(var(--card-accent-rgb, 245, 158, 11), 0.35);
  transform: scale(1.08);
}

.fd-uniform-card__title {
  font-family: var(--fd-font-sans);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.35;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.fd-uniform-card__title a {
  color: inherit;
  text-decoration: none;
}
.fd-uniform-card__title a:hover {
  color: var(--fd-gold-light);
}

.fd-uniform-card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--fd-text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.fd-uniform-card__fact {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--fd-radius-sm);
  background: var(--fd-bg-surface-2);
  border-left: 3px solid var(--card-accent, var(--fd-gold-light));
  margin-bottom: 1.25rem;
}

.fd-uniform-card__fact-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fd-text-muted);
}

.fd-uniform-card__fact-value {
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.45;
  color: #ffffff;
}

.fd-uniform-card__footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--fd-border-subtle);
}

.fd-uniform-card__btn {
  width: 100%;
  min-height: 44px;
}

/* 4b. Pillars Studio: Full-Width Single-Column Row Grid (1 Item Per Row) */
.fd-pillars-row-grid,
#fd-pillars-grid {
  display: grid;
  grid-template-columns: 1fr !important;
  gap: 2rem;
  width: 100%;
  margin-top: 1.5rem;
}

#fd-pillars-grid .fd-uniform-card {
  padding: 2rem 2.25rem;
  border-radius: var(--fd-radius-xl, 18px);
}

#fd-pillars-grid .fd-uniform-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

#fd-pillars-grid .fd-uniform-card__desc {
  font-size: 0.96rem;
  line-height: 1.65;
  margin-bottom: 1.35rem;
}

#fd-pillars-grid .fd-uniform-card__footer {
  display: flex;
  justify-content: flex-start;
}

#fd-pillars-grid .fd-uniform-card__btn {
  width: auto;
  min-width: 220px;
  min-height: 44px;
}

@media (max-width: 640px) {
  #fd-pillars-grid .fd-uniform-card {
    padding: 1.5rem;
  }
  #fd-pillars-grid .fd-uniform-card__btn {
    width: 100%;
  }
}

/* 4c. Research Section: Full-Width Row Grid & Expanded Row Cards */
.fd-research-row-grid,
#fd-research-grid.fd-research-row-grid {
  display: grid;
  grid-template-columns: 1fr !important;
  gap: 2rem;
  width: 100%;
  margin-top: 1.5rem;
}

.fd-research-row-card {
  display: flex;
  flex-direction: column;
  background: var(--fd-bg-surface-1);
  border: 1.5px solid var(--fd-border-medium);
  border-radius: var(--fd-radius-xl, 16px);
  padding: 1.75rem 2rem;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.fd-research-row-card:hover {
  border-color: var(--card-accent, var(--fd-border-bright));
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(var(--card-accent-rgb, 245, 158, 11), 0.25);
}

.fd-research-row-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.15rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--fd-border-subtle);
}

.fd-research-row-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.95rem;
  border-radius: var(--fd-radius-pill);
  background: rgba(var(--card-accent-rgb, 245, 158, 11), 0.12);
  color: var(--card-accent, var(--fd-gold-light));
  border: 1.5px solid var(--card-accent, var(--fd-border-medium));
  line-height: 1.4;
}

.fd-research-row-card__doi {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--fd-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: var(--fd-bg-surface-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--fd-radius-sm);
  border: 1px solid var(--fd-border-subtle);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.fd-research-row-card__doi:hover {
  color: var(--fd-gold-light);
  border-color: var(--fd-gold);
}

.fd-research-row-card__title {
  font-family: var(--fd-font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.35;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.fd-research-row-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.fd-research-row-card__title a:hover {
  color: var(--card-accent, var(--fd-gold-light));
}

.fd-research-row-card__abstract {
  font-size: 0.96rem;
  line-height: 1.68;
  color: #e2e8f0;
  margin-bottom: 1.35rem;
}

/* 4-Column Horizontal Telemetry Bar across the Row */
.fd-research-row-card__telemetry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 1.35rem;
}

@media (min-width: 540px) {
  .fd-research-row-card__telemetry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .fd-research-row-card__telemetry {
    grid-template-columns: repeat(4, 1fr);
  }
}

.fd-research-telemetry-item {
  background: var(--fd-bg-surface-2);
  border: 1px solid var(--fd-border-subtle);
  border-radius: var(--fd-radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color 0.2s ease;
}

.fd-research-telemetry-item:hover {
  border-color: var(--fd-border-medium);
}

.fd-research-telemetry-value {
  font-family: var(--fd-font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--card-accent, var(--fd-gold-light));
  line-height: 1.1;
}

.fd-research-telemetry-label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #ffffff;
}

.fd-research-telemetry-detail {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--fd-text-secondary);
}

/* Publication & Tags Bar */
.fd-research-row-card__meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: var(--fd-radius-md);
  background: var(--fd-bg-surface-2);
  border-left: 3px solid var(--card-accent, var(--fd-gold-light));
  margin-bottom: 1.15rem;
}

.fd-research-row-card__pub {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: #ffffff;
}

.fd-research-row-card__pub strong {
  color: var(--card-accent, var(--fd-gold-light));
}

.fd-research-row-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.fd-research-row-card__tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--fd-text-secondary);
  background: var(--fd-bg-surface-1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--fd-radius-pill);
  border: 1px solid var(--fd-border-subtle);
}

/* Action Buttons Bar */
.fd-research-row-card__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--fd-border-subtle);
}

.fd-research-row-card__btn-primary {
  min-height: 44px;
  padding: 0.65rem 1.4rem;
}

.fd-research-row-card__btn-secondary {
  min-height: 44px;
  padding: 0.65rem 1.1rem;
}


/* 5. Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fd-hero__canvas {
    display: none !important;
  }
}