/* ============================================================
   Token Dance — Premium Light Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Core palette - Dark Frontier Theme */
  --bg-deep: #050812;
  --bg-primary: #0a0f1f;
  --bg-elevated: #111729;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(15, 23, 42, 0.5);

  /* Accent colors */
  --cyan: #38bdf8;
  --cyan-dim: rgba(56, 189, 248, 0.12);
  --cyan-glow: rgba(56, 189, 248, 0.4);
  --violet: #a78bfa;
  --violet-dim: rgba(167, 139, 250, 0.12);
  --gold: #fbbf24;
  --gold-dim: rgba(251, 191, 36, 0.12);
  --mint: #34d399;

  /* Text */
  --text-primary: #e2e8f0;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  /* Borders */
  --border: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(56, 189, 248, 0.4);

  /* Shadows */
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 12px 40px rgba(56, 189, 248, 0.15);
  --shadow-glow-strong: 0 0 60px rgba(56, 189, 248, 0.25);

  /* Layout */
  --header-h: 76px;
  --radius: 16px;
  --radius-sm: 10px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--bg-deep);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
}

p {
  margin: 0;
  color: var(--text-secondary);
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

/* ---- Scroll reveal (Scroll-driven Animations) ---- */
.reveal {
  animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-timeline: view();
  animation-range: entry 0% entry 25%;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(60px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
  padding: 0 40px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px) saturate(1.8);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: auto;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand:hover { transform: translateY(-1px); }

.brand-logo {
  position: relative;
  display: inline-flex;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  filter: drop-shadow(0 6px 14px rgba(14, 165, 233, 0.28));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.brand-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

.brand:hover .brand-logo {
  transform: rotate(-6deg) scale(1.05);
  filter: drop-shadow(0 10px 22px rgba(139, 92, 246, 0.35));
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 22px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-text em {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--text-muted);
  font-size: 10.5px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-left: auto;
  font-size: 15px;
  font-weight: 600;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  color: var(--text-secondary);
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0px;
  height: 3px;
  border-radius: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }

.header-action {
  flex: 0 0 auto;
  padding: 12px 24px;
  background: var(--bg-primary);
  border: 1px solid var(--cyan);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 12px var(--cyan-dim);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-action:hover {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-color: transparent;
  color: white;
  box-shadow: 0 8px 20px var(--cyan-glow);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 6px auto;
  background: var(--text-primary);
  border-radius: 2px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 85vh;
  min-height: 85dvh;
  overflow: hidden;
  color: var(--text-primary);
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}

.hero-media,
.hero-media img,
.hero-overlay,
.token-canvas {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.15;
  mix-blend-mode: multiply;
}

.hero-overlay {
  background:
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.95) 100%);
}

.token-canvas {
  z-index: 1;
  width: 100%; height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 85vh;
  padding-top: var(--header-h);
  padding-bottom: 60px;
}

/* Eyebrow */
.eyebrow,
.section-kicker {
  display: inline-block;
  margin: 0 0 20px;
  padding: 8px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  vertical-align: middle;
  animation: glowDot 2s ease-in-out infinite;
}

@keyframes glowDot {
  0%, 100% { box-shadow: 0 0 8px var(--cyan); opacity: 0.8; }
  50% { box-shadow: 0 0 16px var(--cyan); opacity: 1; }
}

/* Hero heading */
.hero h1 {
  max-width: 900px;
  margin: 0 auto;
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-highlight {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-copy {
  max-width: 680px;
  margin: 28px auto 0;
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1.6;
}

/* Hero buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 32px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 10px 24px var(--cyan-glow);
}

.btn.primary:hover {
  box-shadow: 0 15px 35px var(--cyan-glow), 0 0 20px var(--violet-dim);
}

.btn.secondary {
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn.secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--shadow-md);
}

/* Hero metrics */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(900px, 100%);
  margin: 70px auto 0;
}

.hero-metrics div {
  position: relative;
  overflow: hidden;
  padding: 32px 24px;
  border-radius: var(--radius);
  /* iOS 26 liquid glass — dark default */
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2),
    0 8px 22px rgba(0, 0, 0, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.18);
  transition: all 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  isolation: isolate;
}

.hero-metrics div::after {
  content: "";
  position: absolute;
  top: 0;
  left: 16%;
  right: 16%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  pointer-events: none;
  z-index: 2;
}

.hero-metrics div:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-6px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2),
    0 28px 60px rgba(56, 189, 248, 0.22);
}

.hero-metrics strong {
  display: block;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-metrics span {
  display: block;
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
}

/* ============================================================
   Sections — shared
   ============================================================ */
.section {
  padding: 120px 0;
  content-visibility: auto;
  contain-intrinsic-block-size: auto 600px;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 60px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-heading p:last-child {
  margin-top: 20px;
  font-size: 18px;
}

/* ---- Intro ---- */
.intro {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  gap: 80px;
  align-items: start;
}

.intro-content p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* ---- Services ---- */
.services {
  position: relative;
  background: var(--bg-deep);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.service-card,
.compliance-grid article {
  position: relative;
  min-height: 320px;
  padding: 36px 28px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.service-card::before {
  position: absolute;
  inset: 0;
  content: '';
  border-radius: var(--radius);
  padding: 2px;
  background: linear-gradient(135deg, var(--cyan-glow), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  background: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-8px);
}

.service-card:hover::before { opacity: 1; }

.card-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  border-radius: var(--radius-sm);
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  font-weight: 800;
  font-size: 24px;
  box-shadow: 0 8px 20px var(--cyan-glow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:nth-child(even) .card-icon {
  background: linear-gradient(135deg, var(--violet), var(--cyan));
}

.service-card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 12px 24px var(--violet-dim);
}

.service-card h3,
.compliance-grid h3 { 
  margin-bottom: 16px; 
  font-size: 20px;
}

/* ============================================================
   Service Card — dashboard upgrade (overrides above)
   ============================================================ */
.service-card {
  min-height: auto;
  padding: 28px 26px 26px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  backdrop-filter: none;
  isolation: isolate;
  transition: all 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card::before {
  /* override the old gradient border to a soft radial glow */
  inset: 0;
  padding: 0;
  background: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(14, 165, 233, 0.14)), transparent 60%);
  -webkit-mask: none;
  mask: none;
  opacity: 0.5;
}

.service-card > * { position: relative; z-index: 1; }

.service-card:hover {
  box-shadow: 0 24px 50px var(--card-glow, rgba(14, 165, 233, 0.18));
}

.service-card:hover::before { opacity: 1; }

.service-card[data-tier="01"] { --card-glow: rgba(14, 165, 233, 0.14); --card-accent: #0ea5e9; --icon-from: #0ea5e9; --icon-to: #6366f1; }
.service-card[data-tier="02"] { --card-glow: rgba(245, 158, 11, 0.14); --card-accent: #f59e0b; --icon-from: #f59e0b; --icon-to: #ef4444; }
.service-card[data-tier="03"] { --card-glow: rgba(16, 185, 129, 0.14); --card-accent: #10b981; --icon-from: #10b981; --icon-to: #06b6d4; }
.service-card[data-tier="04"] { --card-glow: rgba(139, 92, 246, 0.14); --card-accent: #8b5cf6; --icon-from: #8b5cf6; --icon-to: #ec4899; }

.service-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  color: white;
  background: linear-gradient(135deg, var(--icon-from, var(--cyan)), var(--icon-to, var(--violet)));
  box-shadow: 0 8px 18px var(--card-glow, rgba(14, 165, 233, 0.25));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-icon svg { width: 26px; height: 26px; }

.service-card:hover .service-icon {
  transform: rotate(-8deg) scale(1.08);
}

.service-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: rgba(15, 23, 42, 0.06);
  letter-spacing: -0.04em;
  transition: color 0.4s ease, opacity 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-index {
  color: var(--card-accent, var(--cyan));
  opacity: 0.32;
  transform: scale(1.05);
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.service-card p {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.65;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.service-tags li {
  padding: 4px 10px;
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(14, 165, 233, 0.18);
  border-radius: 100px;
  color: var(--card-accent, var(--cyan));
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.service-card:hover .service-tags li {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--card-accent, var(--cyan));
}

.service-shine {
  position: absolute;
  top: -50%;
  bottom: -50%;
  width: 60%;
  left: -80%;
  background: linear-gradient(110deg, transparent 0%, rgba(14, 165, 233, 0.1) 45%, rgba(139, 92, 246, 0.08) 55%, transparent 100%);
  transform: skewX(-22deg);
  pointer-events: none;
  transition: left 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 0;
}

.service-card:hover .service-shine {
  left: 130%;
}

/* ---- Model Stack ---- */
.model-stack {
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.model-stack::before {
  position: absolute;
  inset: 0;
  content: '';
  background-image:
    linear-gradient(var(--cyan-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyan-dim) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
  pointer-events: none;
}

.model-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1fr);
  gap: 80px;
  align-items: center;
}

.model-copy p:not(.section-kicker) {
  margin-top: 24px;
  font-size: 18px;
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.model-tags span {
  animation: float 6s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.2s);
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--cyan);
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  font-size: 14px;
  font-weight: 700;
  transition: all 0.3s ease;
}

.model-tags span:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-color: transparent;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 20px var(--cyan-glow);
}

/* Model Board */
.model-board {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-md);
}

.model-board::before {
  position: absolute;
  inset: -50%;
  content: '';
  background: conic-gradient(from 180deg, transparent, var(--cyan-glow), transparent, var(--violet-dim), transparent);
  animation: spin 15s linear infinite;
  pointer-events: none;
}

.board-row {
  position: relative;
  z-index: 1;
  overflow: hidden;
  display: grid;
  grid-template-columns: 36px 76px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-height: 76px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.board-row strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.board-row.accent {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.05), var(--bg-primary) 50%);
}

.board-row:hover {
  box-shadow: 0 8px 24px var(--cyan-dim);
  transform: translateX(6px);
}

.board-row .row-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(14, 165, 233, 0.18);
  color: var(--cyan);
  transition: all 0.3s ease;
}

.board-row .row-icon svg {
  width: 18px;
  height: 18px;
}

.board-row:hover .row-icon {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: white;
  border-color: transparent;
  transform: rotate(-6deg) scale(1.05);
}

.board-row .row-tier {
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.board-row .row-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(14, 165, 233, 0.05);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.board-row.accent .row-icon {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.08));
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--gold);
}

.board-row.accent:hover .row-icon {
  background: linear-gradient(135deg, var(--gold), #ef4444);
  border-color: transparent;
  color: white;
}

.board-row.accent .row-tier { color: var(--gold); }
.board-row.accent .row-status {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--gold);
}

/* ---- Capability ---- */
.capability {
  position: relative;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
}

.capability::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(14, 165, 233, 0.16), transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(139, 92, 246, 0.16), transparent 40%),
    linear-gradient(rgba(14, 165, 233, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.06) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
  pointer-events: none;
}

.capability > .container { position: relative; z-index: 1; }

.capability p { color: var(--text-secondary); }

.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: stretch;
}

.capability-copy { max-width: 900px; }

.capability-copy h2 { color: var(--text-primary); }

.capability-copy .why-display {
  margin: 0 0 18px;
  font-size: clamp(48px, 6.5vw, 96px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--text-primary);
}

.capability-copy .why-display .why-grad {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  padding-right: 0.04em;
}

.capability-copy .why-display .why-dot {
  display: inline-block;
  margin-left: 0.04em;
  color: var(--violet);
  text-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
  animation: whyDot 2.4s ease-in-out infinite;
}

@keyframes whyDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(-6px); opacity: 0.8; }
}

.capability-copy .why-tagline {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.9vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text-primary);
}

.capability-copy p:last-child {
  margin-top: 14px;
  max-width: 760px;
  font-size: 17px;
  color: var(--text-secondary);
}

.capability-list { display: grid; gap: 16px; }

.capability-list div {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.capability-list div:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateX(-8px);
}

.capability-list strong {
  display: block;
  margin-bottom: 10px;
  color: white;
  font-size: 20px;
}

/* ---- Compliance ---- */
.compliance {
  background: var(--bg-deep);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

/* ---- Process / Timeline ---- */
.process {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

/* ============================================================
   Timeline / Step Card — dashboard upgrade
   ============================================================ */
.step-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 28px 26px 26px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  isolation: isolate;
}

.step-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(14, 165, 233, 0.14)), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s ease;
}

.step-card > * { position: relative; z-index: 1; }

.step-card:hover {
  transform: translateY(-8px);
  background: var(--bg-primary);
  box-shadow: 0 24px 50px var(--card-glow, rgba(14, 165, 233, 0.18));
}

.step-card:hover::before { opacity: 1; }

.step-card[data-step="01"] { --card-glow: rgba(14, 165, 233, 0.14); --card-accent: #0ea5e9; --icon-from: #0ea5e9; --icon-to: #6366f1; }
.step-card[data-step="02"] { --card-glow: rgba(245, 158, 11, 0.14); --card-accent: #f59e0b; --icon-from: #f59e0b; --icon-to: #ef4444; }
.step-card[data-step="03"] { --card-glow: rgba(16, 185, 129, 0.14); --card-accent: #10b981; --icon-from: #10b981; --icon-to: #06b6d4; }
.step-card[data-step="04"] { --card-glow: rgba(139, 92, 246, 0.14); --card-accent: #8b5cf6; --icon-from: #8b5cf6; --icon-to: #ec4899; }

.step-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.step-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  color: white;
  background: linear-gradient(135deg, var(--icon-from, var(--cyan)), var(--icon-to, var(--violet)));
  box-shadow: 0 8px 18px var(--card-glow, rgba(14, 165, 233, 0.25));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-icon svg { width: 26px; height: 26px; }

.step-card:hover .step-icon {
  transform: rotate(-8deg) scale(1.08);
}

.step-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: rgba(15, 23, 42, 0.06);
  letter-spacing: -0.04em;
  transition: color 0.4s ease, opacity 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-card:hover .step-index {
  color: var(--card-accent, var(--cyan));
  opacity: 0.32;
  transform: scale(1.05);
}

.step-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.step-card p {
  margin: 0 0 20px;
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.step-tags li {
  padding: 4px 10px;
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(14, 165, 233, 0.18);
  border-radius: 100px;
  color: var(--card-accent, var(--cyan));
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.step-card:hover .step-tags li {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--card-accent, var(--cyan));
}

.step-shine {
  position: absolute;
  top: -50%;
  bottom: -50%;
  width: 60%;
  left: -80%;
  background: linear-gradient(110deg, transparent 0%, rgba(14, 165, 233, 0.1) 45%, rgba(139, 92, 246, 0.08) 55%, transparent 100%);
  transform: skewX(-22deg);
  pointer-events: none;
  z-index: 0;
  transition: left 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-card:hover .step-shine {
  left: 130%;
}

/* ---- Contact ---- */
.contact {
  background: var(--bg-deep);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(400px, 0.7fr);
  gap: 60px;
  align-items: start;
  padding: 60px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-md);
}

.contact-panel p {
  margin-top: 20px;
  font-size: 18px;
}

.contact-form { display: grid; gap: 20px; }

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
}

.contact-form label span { font-size: 14px; color: var(--text-secondary); }

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: var(--text-primary);
  background: var(--bg-primary);
  font: inherit;
  font-size: 16px;
  outline: none;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-dim), inset 0 2px 4px rgba(0,0,0,0.02);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form .btn {
  width: 100%;
  border: 0;
  font: inherit;
  margin-top: 10px;
}

/* ---- Footer ---- */
.site-footer {
  padding: 40px 0;
  color: var(--text-secondary);
  background: #0f172a;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.5fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.footer-grid strong { display: block; color: white; font-size: 16px; margin-bottom: 4px; }
.footer-grid p { color: #94a3b8; font-size: 14px; margin: 0; }

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

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

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .site-header { padding: 0 24px; }

  .nav-links, .header-action { display: none; }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .site-header.nav-open .nav-links {
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    display: grid;
    gap: 0;
    padding: 16px 24px 24px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .site-header.nav-open .nav-links a {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
  }

  .intro-grid,
  .model-grid,
  .capability-grid,
  .contact-panel {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .section-heading { text-align: left; }

  .service-grid,
  .compliance-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .container { width: min(100% - 32px, 1200px); }

  .hero, .hero-content { min-height: auto; padding-top: calc(var(--header-h) + 40px); }

  .hero h1 { font-size: 42px; }
  .hero-copy { font-size: 18px; }
  .hero-actions { display: grid; }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-grid,
  .compliance-grid,
  .timeline,
  .capability-list { grid-template-columns: 1fr; }

  .board-row {
    grid-template-columns: 32px 1fr auto;
    gap: 10px;
    padding: 16px 18px;
  }
  .board-row .row-tier { grid-column: 2 / 3; }
  .board-row strong { grid-column: 1 / -1; font-size: 14px; }
  .board-row .row-status { font-size: 9.5px; padding: 3px 8px; }

  .section { padding: 80px 0; }

  .contact-panel { padding: 32px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
}

/* ---- Hero overrides for two-column geek layout ---- */
.hero-content {
  align-items: stretch;
  text-align: left;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  justify-items: center;
  width: 100%;
  margin: 0 auto;
  padding-top: calc(var(--header-h) + 20px);
}

.hero-text {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.hero-text .eyebrow { letter-spacing: 0.08em; }

.hero-text h1 {
  margin: 0 auto;
  max-width: 900px;
  text-align: center;
  font-size: clamp(44px, 5.4vw, 76px);
  line-height: 1.08;
}

.hero-text .hero-copy {
  margin: 26px auto 0;
  max-width: 720px;
  font-size: 19px;
}

.hero-text .hero-actions {
  justify-content: center;
  margin-top: 36px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Pulsing LED indicator */
.led {
  position: relative;
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
  animation: ledPulse 1.6s ease-in-out infinite;
}
.led-cyan { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.led-violet { background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.led-gold { background: var(--gold); box-shadow: 0 0 8px var(--gold); }

@keyframes ledPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

/* Hero overall grid backdrop (techy) */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(14,165,233,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  opacity: 0.6;
}

/* ============================================================
   Hero Terminal
   ============================================================ */
.hero-terminal {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 420px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(180deg, #0b1220 0%, #0a0f1c 100%);
  border: 1px solid rgba(14, 165, 233, 0.25);
  box-shadow:
    0 30px 80px rgba(15, 23, 42, 0.25),
    0 10px 30px rgba(14, 165, 233, 0.15),
    inset 0 1px 0 rgba(255,255,255,0.04);
  transform: perspective(1400px) rotateY(-3deg) rotateX(2deg);
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}

.hero-terminal::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 14px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(14,165,233,0.6), rgba(139,92,246,0.6), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255,255,255,0) 0px,
    rgba(255,255,255,0) 2px,
    rgba(255,255,255,0.012) 3px,
    rgba(255,255,255,0) 4px
  );
  pointer-events: none;
  mix-blend-mode: overlay;
}

.hero-terminal:hover { transform: perspective(1400px) rotateY(0) rotateX(0); }

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.t-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.t-red    { background: #ff5f57; }
.t-yellow { background: #febc2e; }
.t-green  { background: #28c840; }

.terminal-title {
  margin-left: 14px;
  color: rgba(255,255,255,0.45);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.terminal-led {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(16,185,129,0.4);
  border-radius: 100px;
  background: rgba(16,185,129,0.08);
  color: #10b981;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.terminal-body {
  flex: 1;
  margin: 0;
  padding: 22px 22px 28px;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #cbd5e1;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-body code { display: block; min-height: 100%; }
.terminal-cursor {
  display: inline-block;
  margin-left: 2px;
  color: var(--cyan);
  animation: cursorBlink 1s steps(2) infinite;
}

@keyframes cursorBlink {
  50% { opacity: 0; }
}

/* Terminal token classes (set by JS) */
.term-cmd    { color: #f1f5f9; }
.term-cmd .arg { color: #94a3b8; }
.term-prompt { color: #10b981; font-weight: 700; }
.term-info   { color: #38bdf8; }
.term-stream { color: #c4b5fd; }
.term-ok     { color: #34d399; }
.term-err    { color: #f87171; }
.term-dim    { color: #64748b; }

/* ============================================================
   Live Routing Visualization
   ============================================================ */
.routing {
  position: relative;
  background: var(--bg-deep);
  overflow: hidden;
}

.routing::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 80%);
  pointer-events: none;
}

.router-scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(140px, 0.6fr) minmax(220px, 1fr) minmax(140px, 0.6fr) minmax(220px, 1fr);
  gap: 0;
  align-items: center;
  min-height: 380px;
  padding: 40px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.router-stage {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.stage-tag {
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.2);
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
}
.stage-tag.accent {
  background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(139,92,246,0.15));
  border-color: rgba(139,92,246,0.3);
  color: var(--violet);
}

.stage-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  max-width: 200px;
  padding: 22px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.stage-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 12px 28px var(--cyan-dim);
  transform: translateY(-3px);
}
.stage-card strong { font-size: 15px; color: var(--text-primary); }
.stage-card span { font-size: 12px; color: var(--text-muted); }

.stage-glyph {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 8px 16px var(--cyan-glow);
}

/* Hub (gateway center) */
.stage-card-hub {
  max-width: 240px;
  padding: 28px 20px;
  background: linear-gradient(180deg, rgba(14,165,233,0.06), rgba(139,92,246,0.06));
  border: 1px solid rgba(14,165,233,0.3);
  box-shadow:
    0 20px 50px rgba(14,165,233,0.18),
    inset 0 0 0 1px rgba(255,255,255,0.6);
  overflow: hidden;
}

.stage-card-hub strong { font-size: 17px; }

.hub-orbit {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed rgba(14,165,233,0.3);
  animation: spin 14s linear infinite;
  pointer-events: none;
}
.hub-orbit-1 { inset: -10px; }
.hub-orbit-2 {
  inset: 10px;
  border-color: rgba(139,92,246,0.28);
  border-style: solid;
  animation-direction: reverse;
  animation-duration: 22s;
}
.hub-orbit-3 {
  inset: -28px;
  border-color: rgba(251,191,36,0.22);
  border-style: dashed;
  animation: spin 30s linear infinite;
}

/* Reactor-style core with pulsing dot + ring */
.hub-core {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 64px;
  pointer-events: none;
  z-index: 0;
}
.hub-core-dot {
  position: absolute;
  inset: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff 0%, var(--cyan) 30%, var(--violet) 100%);
  box-shadow:
    0 0 18px rgba(56,189,248,0.7),
    0 0 36px rgba(167,139,250,0.5);
  animation: corePulse 2.6s ease-in-out infinite;
}
.hub-core-pulse {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  border: 1.5px solid rgba(56,189,248,0.55);
  animation: corePulseRing 2.6s ease-out infinite;
}
.hub-core-pulse.hub-core-pulse-2 {
  border-color: rgba(167,139,250,0.45);
  animation-delay: 1.3s;
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50%      { transform: scale(1.18); filter: brightness(1.25); }
}
@keyframes corePulseRing {
  0%   { opacity: 0.95; transform: scale(0.55); }
  100% { opacity: 0; transform: scale(2.0); }
}

/* 4-corner module labels */
.hub-modules {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none;
  z-index: 1;
}
.hub-mod {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(56, 189, 248, 0.7);
  text-transform: uppercase;
  padding: 3px 6px;
  background: rgba(56, 189, 248, 0.05);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 4px;
}
.mod-tl { top: 12px; left: 12px; }
.mod-tr { top: 12px; right: 12px; color: rgba(139, 92, 246, 0.75); background: rgba(139, 92, 246, 0.05); border-color: rgba(139, 92, 246, 0.2); }
.mod-bl { bottom: 12px; left: 12px; color: rgba(251, 191, 36, 0.75); background: rgba(251, 191, 36, 0.05); border-color: rgba(251, 191, 36, 0.22); }
.mod-br { bottom: 12px; right: 12px; color: rgba(52, 211, 153, 0.75); background: rgba(52, 211, 153, 0.05); border-color: rgba(52, 211, 153, 0.22); }

/* Live data ticker */
.hub-ticker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 12px 0 4px;
  padding: 6px 12px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  position: relative;
  z-index: 2;
}
.hub-ticker .t-key { color: rgba(255,255,255,0.45); font-weight: 600; }
.hub-ticker .t-val {
  color: var(--cyan);
  font-weight: 800;
  min-width: 32px;
  text-align: left;
  transition: color 0.3s;
}
.hub-ticker .t-val small { font-size: 9px; opacity: 0.7; margin-left: 1px; font-weight: 700; }
.hub-ticker .t-sep { color: rgba(255,255,255,0.18); }

.stage-card-hub > strong,
.stage-card-hub > span,
.stage-card-hub > .hub-stats { position: relative; z-index: 2; }
.stage-card-hub > strong { margin-top: 88px; }

.hub-stats {
  display: grid;
  gap: 4px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
}
.hub-stats li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Entry source chips */
.entry-sources {
  display: flex;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.entry-sources li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* Pipes (animated svg) */
.router-pipes {
  width: 100%;
  height: 360px;
  overflow: visible;
}
.router-pipes .pipe {
  fill: none;
  stroke: rgba(14,165,233,0.2);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 6 12;
  animation: flowDash 1.6s linear infinite;
}
.router-pipes.pipes-right .pipe {
  stroke: rgba(139,92,246,0.25);
  animation-duration: 1.4s;
}

@keyframes flowDash {
  to { stroke-dashoffset: -36; }
}

/* Flowing data packets along pipe path */
.packet {
  fill: rgba(56, 189, 248, 0.95);
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.85));
}
.packet.packet-small { fill: rgba(56, 189, 248, 0.75); }
.packet.packet-violet {
  fill: rgba(167, 139, 250, 0.95);
  filter: drop-shadow(0 0 7px rgba(167, 139, 250, 0.85));
}

/* Radar sweep behind the scene */
.router-radar {
  position: absolute;
  inset: 14px;
  border-radius: var(--radius);
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}
.router-radar::before {
  content: "";
  position: absolute;
  inset: -80%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(56, 189, 248, 0.18) 18deg,
    rgba(56, 189, 248, 0.04) 38deg,
    transparent 60deg
  );
  animation: radarSweep 9s linear infinite;
}
.router-radar::after {
  content: "";
  position: absolute;
  inset: 50% 50% auto auto;
  width: 1px;
  height: 1px;
  border-radius: 50%;
  box-shadow:
    0 0 0 60px rgba(56, 189, 248, 0.04),
    0 0 0 130px rgba(56, 189, 248, 0.03),
    0 0 0 220px rgba(56, 189, 248, 0.02);
  transform: translate(50%, -50%);
}
@keyframes radarSweep {
  to { transform: rotate(360deg); }
}

/* Models column */
.stage-models {
  align-items: stretch;
  gap: 8px;
}
.model-pill {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}
.model-pill:hover {
  transform: translateX(4px);
  border-color: var(--cyan);
  box-shadow: 0 8px 18px var(--cyan-dim);
}

.model-pill .model-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-bar {
  display: inline-block;
  width: 100%;
  max-width: 28px;
  height: 4px;
  background: rgba(56, 189, 248, 0.12);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.model-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--w, 50%);
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(56, 189, 248, 0.5);
  animation: barPulse 2.4s ease-in-out infinite;
}
@keyframes barPulse {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 1; }
}

.model-mark {
  width: 18px; height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 70%;
}
.model-mark.gpt      { background-color: rgba(16,163,127,0.12); background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2310a37f'><circle cx='12' cy='12' r='5'/></svg>"); }
.model-mark.claude   { background-color: rgba(204,120,92,0.12);  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23cc785c'><path d='M11 2h2l.4 7 5-4 1 1-4 5 7 .4v2l-7 .4 4 5-1 1-5-4-.4 7h-2l-.4-7-5 4-1-1 4-5-7-.4v-2l7-.4-4-5 1-1 5 4z'/></svg>"); }
.model-mark.gemini   { background-color: rgba(28,105,255,0.12);  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231c69ff'><path d='M12 0c0 6.5 5.5 12 12 12-6.5 0-12 5.5-12 12 0-6.5-5.5-12-12-12 6.5 0 12-5.5 12-12z'/></svg>"); }
.model-mark.deepseek { background-color: rgba(77,107,254,0.12);  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%234d6bfe'><path d='M2.5 14C2.5 10.4 6 7.5 10 7.5c2.6 0 4.9 1 6.4 2.6.5-.4 1-.6 1.5-.8L19 9l-.4 2c0 .5.4 1 .6 1.5.3.5.5 1 .5 1.7 0 1.6-1.7 2.8-3 2.8H4.8c-1.3 0-2.3-1.1-2.3-2.5zm5.4-1.5a1 1 0 100 2 1 1 0 000-2z'/></svg>"); }
.model-mark.llama    { background-color: rgba(24,119,242,0.12);  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231877f2'><path d='M2 12c0-2.8 1.9-5 4.7-5 1.9 0 3.7 1.1 5.3 4 1.6-2.9 3.4-4 5.3-4C20.1 7 22 9.2 22 12s-1.9 5-4.7 5c-1.9 0-3.7-1.1-5.3-4-1.6 2.9-3.4 4-5.3 4C3.9 17 2 14.8 2 12z'/></svg>"); }
.model-mark.qwen     { background-color: rgba(97,92,237,0.12);   background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23615ced'><path d='M6 3h12l4 7-4 7H6l-4-7 4-7zm6 4a3 3 0 100 6 3 3 0 000-6z'/></svg>"); }

/* ============================================================
   Responsive — geek layout
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-text h1 { font-size: clamp(32px, 7vw, 48px); }
  .hero-terminal { transform: none; min-height: 320px; }

  .router-scene {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto auto;
    gap: 24px;
  }
  .router-pipes { display: none; }
  .stage-models { display: grid; grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .terminal-body { font-size: 11.5px; padding: 16px; }
  .hero-badges { gap: 10px; }
  .hero-badges li { padding: 6px 10px; font-size: 12px; }
}

/* ============================================================
   Capability Cards — dashboard style (on dark gradient)
   ============================================================ */
.capability-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.cap-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 22px 20px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  isolation: isolate;
}

.cap-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(14, 165, 233, 0.14)), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.cap-card > * { position: relative; z-index: 1; }

.cap-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px var(--card-glow, rgba(14, 165, 233, 0.18));
}

.cap-card:hover::before { opacity: 1; }

.cap-card[data-number="01"] { --card-glow: rgba(14, 165, 233, 0.14); --card-accent: #0ea5e9; --icon-from: #0ea5e9; --icon-to: #6366f1; }
.cap-card[data-number="02"] { --card-glow: rgba(245, 158, 11, 0.14); --card-accent: #f59e0b; --icon-from: #f59e0b; --icon-to: #ef4444; }
.cap-card[data-number="03"] { --card-glow: rgba(16, 185, 129, 0.14); --card-accent: #10b981; --icon-from: #10b981; --icon-to: #06b6d4; }
.cap-card[data-number="04"] { --card-glow: rgba(139, 92, 246, 0.14); --card-accent: #8b5cf6; --icon-from: #8b5cf6; --icon-to: #ec4899; }

.cap-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cap-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, var(--icon-from, var(--cyan)), var(--icon-to, var(--violet)));
  box-shadow: 0 6px 14px var(--card-glow, rgba(14, 165, 233, 0.25));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cap-icon svg { width: 22px; height: 22px; }

.cap-card:hover .cap-icon {
  transform: rotate(-8deg) scale(1.08);
}

.cap-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  color: rgba(15, 23, 42, 0.07);
  letter-spacing: -0.04em;
  transition: color 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cap-card:hover .cap-index {
  color: var(--card-accent, var(--cyan));
  opacity: 0.32;
  transform: scale(1.05);
}

.cap-card h3 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 16px;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.cap-card p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.55;
}

.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.cap-tags li {
  padding: 3px 8px;
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(14, 165, 233, 0.18);
  border-radius: 100px;
  color: var(--card-accent, var(--cyan));
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.cap-card:hover .cap-tags li {
  background: rgba(14, 165, 233, 0.12);
  border-color: var(--card-accent, var(--cyan));
}

/* Sweep shine on hover */
.cap-shine {
  position: absolute;
  top: -50%;
  bottom: -50%;
  width: 60%;
  left: -80%;
  background: linear-gradient(110deg, transparent 0%, rgba(14, 165, 233, 0.1) 45%, rgba(139, 92, 246, 0.08) 55%, transparent 100%);
  transform: skewX(-22deg);
  pointer-events: none;
  transition: left 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 0;
}

.cap-card:hover .cap-shine {
  left: 130%;
}

/* ============================================================
   Compliance Cards — multi-tone dossier style
   ============================================================ */
.compliance-grid { gap: 20px; }

.comp-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: auto;
  padding: 30px 26px 28px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  isolation: isolate;
}

.comp-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(14, 165, 233, 0.12)), transparent 60%);
  opacity: 0.6;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.comp-card > * { position: relative; z-index: 1; }

.comp-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px var(--card-glow, rgba(14, 165, 233, 0.15));
}

.comp-card:hover::before { opacity: 1; }

.comp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.comp-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  color: white;
  overflow: hidden;
  box-shadow: 0 8px 18px var(--card-glow, rgba(14, 165, 233, 0.2));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.comp-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--icon-from), var(--icon-to));
  z-index: 0;
}

.comp-icon svg {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
}

.comp-card:hover .comp-icon {
  transform: rotate(-8deg) scale(1.06);
}

.comp-icon-01 { --icon-from: #0ea5e9; --icon-to: #6366f1; }
.comp-icon-02 { --icon-from: #f59e0b; --icon-to: #ef4444; }
.comp-icon-03 { --icon-from: #10b981; --icon-to: #06b6d4; }
.comp-icon-04 { --icon-from: #8b5cf6; --icon-to: #ec4899; }

.comp-card[data-tier="01"] { --card-glow: rgba(14, 165, 233, 0.14); --card-accent: #0ea5e9; }
.comp-card[data-tier="02"] { --card-glow: rgba(245, 158, 11, 0.14); --card-accent: #f59e0b; }
.comp-card[data-tier="03"] { --card-glow: rgba(16, 185, 129, 0.14); --card-accent: #10b981; }
.comp-card[data-tier="04"] { --card-glow: rgba(139, 92, 246, 0.14); --card-accent: #8b5cf6; }

.comp-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.28);
  color: #10b981;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.comp-status.status-amber {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.32);
  color: #d97706;
}

.comp-status.status-mint {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.32);
  color: #06b6d4;
}

.comp-status.status-violet {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.32);
  color: #8b5cf6;
}

.comp-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.comp-card p {
  margin: 0 0 18px;
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.comp-list {
  margin: auto 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--border);
}

.comp-list li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.95;
  color: var(--text-muted);
}

.comp-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  width: 200px;
  height: 120px;
  background: radial-gradient(ellipse, var(--card-accent, var(--cyan)), transparent 70%);
  opacity: 0;
  transform: translateX(-50%);
  filter: blur(40px);
  pointer-events: none;
  transition: opacity 0.5s ease;
  z-index: 0;
}

.comp-card:hover .comp-glow { opacity: 0.35; }

@media (max-width: 700px) {
  .cap-index { font-size: 44px; }
  .cap-card, .comp-card { padding: 24px 22px; }
}

/* ============================================================
   Section Decorations — make glass cards visible above
   ============================================================ */
.intro,
.services,
.compliance,
.process {
  position: relative;
  overflow: hidden;
}

.intro::before,
.services::before,
.compliance::before,
.process::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 30%, rgba(14, 165, 233, 0.10), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(139, 92, 246, 0.10), transparent 45%),
    linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 25%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.intro > .container,
.services > .container,
.compliance > .container,
.process > .container { position: relative; z-index: 1; }

/* ============================================================
   Liquid Glass — unified card surface
   shared by .cap-card / .service-card / .step-card / .comp-card
   ============================================================ */
.cap-card,
.service-card,
.step-card,
.comp-card {
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(22px) saturate(1.7);
  backdrop-filter: blur(22px) saturate(1.7);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 8px 22px rgba(15, 23, 42, 0.05),
    0 24px 60px rgba(15, 23, 42, 0.04);
}

.cap-card:hover,
.service-card:hover,
.step-card:hover,
.comp-card:hover {
  background: rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(15, 23, 42, 0.05),
    0 28px 60px var(--card-glow, rgba(14, 165, 233, 0.18));
}

/* Top-edge shine — liquid glass highlight */
.cap-card::after,
.service-card::after,
.step-card::after,
.comp-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 14%;
  right: 14%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.95), transparent);
  pointer-events: none;
  z-index: 2;
}

/* ============================================================
   Liquid Glass — board rows (Token Architecture)
   ============================================================ */
.board-row {
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  backdrop-filter: blur(18px) saturate(1.6);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 4px 14px rgba(15, 23, 42, 0.04);
}

.board-row:hover {
  background: rgba(255, 255, 255, 0.75);
}

.board-row.accent {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.10), rgba(255, 255, 255, 0.55) 50%);
}

/* Reduced motion / no backdrop-filter support fallback */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .cap-card, .service-card, .step-card, .comp-card, .board-row {
    background: var(--bg-elevated);
  }
}

/* ============================================================
   AI Frontier — Dark Theme Surface Overrides
   ============================================================ */

/* Body — global ambient backdrop (cyan + violet + gold glows) */
body {
  background: var(--bg-deep);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(56, 189, 248, 0.12), transparent 40%),
    radial-gradient(circle at 88% 65%, rgba(167, 139, 250, 0.12), transparent 40%),
    radial-gradient(circle at 50% 95%, rgba(251, 191, 36, 0.06), transparent 40%);
  pointer-events: none;
}

body > * { position: relative; z-index: 1; }

/* Header */
.site-header {
  background: rgba(10, 14, 28, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-header.scrolled {
  background: rgba(10, 14, 28, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.brand-text strong { color: var(--text-primary); }
.brand-text em { color: var(--text-muted); }
.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { color: var(--text-primary); }
.header-action {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.12);
}
.menu-toggle {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}
.menu-toggle span { background: var(--text-primary); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 100%);
}

.hero-overlay {
  background:
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.14) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(167, 139, 250, 0.12) 0%, transparent 50%),
    linear-gradient(180deg, transparent 0%, rgba(5, 8, 18, 0.5) 100%);
}

.hero-grid-bg {
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.7;
}

.hero h1, .hero-text h1 { color: var(--text-primary); }
.hero-copy { color: var(--text-secondary); }

.eyebrow,
.section-kicker {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(56, 189, 248, 0.25);
  color: var(--cyan);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.15);
}

.btn.secondary {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.btn.secondary:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(56, 189, 248, 0.08);
  box-shadow: 0 8px 22px rgba(56, 189, 248, 0.18);
}

.hero-badges li {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  box-shadow: none;
}

/* Hero metrics */
.hero-metrics div {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
}
.hero-metrics div:hover { background: rgba(255, 255, 255, 0.08); }
.hero-metrics span { color: var(--text-secondary); }

/* Sections */
.intro,
.services,
.model-stack,
.routing,
.capability,
.compliance,
.process,
.contact {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.05);
}

/* Section ::before — boost glows for dark */
.intro::before,
.services::before,
.compliance::before,
.process::before,
.capability::before {
  background-image:
    radial-gradient(circle at 15% 30%, rgba(56, 189, 248, 0.14), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(167, 139, 250, 0.14), transparent 45%),
    linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px) !important;
  background-size: auto, auto, 56px 56px, 56px 56px !important;
}

.model-stack::before {
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
}

.routing::before {
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
}

/* Glass cards — dark glass */
.cap-card,
.service-card,
.step-card,
.comp-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2),
    0 8px 22px rgba(0, 0, 0, 0.3),
    0 24px 60px rgba(0, 0, 0, 0.2);
}

.step-card { background: rgba(255, 255, 255, 0.03); }
.step-card:hover { background: rgba(255, 255, 255, 0.06); }

.cap-card:hover,
.service-card:hover,
.comp-card:hover {
  background: rgba(255, 255, 255, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 28px 60px var(--card-glow, rgba(56, 189, 248, 0.25));
}

.cap-card::after,
.service-card::after,
.step-card::after,
.comp-card::after {
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.55), transparent);
}

.cap-card h3, .service-card h3, .step-card h3, .comp-card h3 { color: var(--text-primary); }
.cap-card p, .service-card p, .step-card p, .comp-card p { color: var(--text-secondary); }

.cap-index, .service-index, .step-index { color: rgba(255, 255, 255, 0.06); }
.cap-card:hover .cap-index,
.service-card:hover .service-index,
.step-card:hover .step-index { opacity: 0.5; }

.cap-tags li, .service-tags li, .step-tags li {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.28);
  color: var(--cyan);
}

/* Per-tier glow palette refresh for dark */
.cap-card[data-number="01"], .service-card[data-tier="01"], .step-card[data-step="01"], .comp-card[data-tier="01"]
  { --card-glow: rgba(56, 189, 248, 0.25); --card-accent: #38bdf8; }
.cap-card[data-number="02"], .service-card[data-tier="02"], .step-card[data-step="02"], .comp-card[data-tier="02"]
  { --card-glow: rgba(251, 191, 36, 0.22); --card-accent: #fbbf24; }
.cap-card[data-number="03"], .service-card[data-tier="03"], .step-card[data-step="03"], .comp-card[data-tier="03"]
  { --card-glow: rgba(52, 211, 153, 0.22); --card-accent: #34d399; }
.cap-card[data-number="04"], .service-card[data-tier="04"], .step-card[data-step="04"], .comp-card[data-tier="04"]
  { --card-glow: rgba(167, 139, 250, 0.25); --card-accent: #a78bfa; }

/* board-row dark glass */
.board-row {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 4px 14px rgba(0, 0, 0, 0.3);
}
.board-row:hover { background: rgba(255, 255, 255, 0.07); }
.board-row strong { color: var(--text-primary); }
.board-row .row-tier { color: var(--text-secondary); }
.board-row.accent { background: linear-gradient(90deg, rgba(251, 191, 36, 0.10), rgba(255, 255, 255, 0.03) 50%); }

.board-row .row-icon {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(167, 139, 250, 0.15));
  border-color: rgba(56, 189, 248, 0.25);
  color: var(--cyan);
}
.board-row .row-status {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}
.board-row.accent .row-status {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.3);
  color: var(--gold);
}

.model-board {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Model tags */
.model-tags span {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(56, 189, 248, 0.2);
  color: var(--cyan);
  box-shadow: none;
}
.model-tags span:hover { color: white; }

/* Router scene */
.router-scene {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.4);
}

.stage-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}
.stage-card strong { color: var(--text-primary); }
.stage-card span { color: var(--text-muted); }
.stage-card:hover { background: rgba(255, 255, 255, 0.08); box-shadow: 0 12px 28px rgba(56, 189, 248, 0.2); }

.stage-card-hub {
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.10), rgba(167, 139, 250, 0.10));
  border-color: rgba(56, 189, 248, 0.32);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(56, 189, 248, 0.18);
}

.model-pill {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}
.model-pill:hover { background: rgba(56, 189, 248, 0.08); }

/* Compliance status badges adjust for dark */
.comp-status {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.3);
  color: var(--mint);
}
.comp-status.status-amber {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.32);
  color: var(--gold);
}
.comp-status.status-mint {
  background: rgba(34, 211, 238, 0.1);
  border-color: rgba(34, 211, 238, 0.32);
  color: #22d3ee;
}
.comp-status.status-violet {
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.32);
  color: var(--violet);
}
.comp-list { border-top-color: rgba(255, 255, 255, 0.08); }

/* Process / step card subtle adjust already covered */

/* Capability — Why Token Dance */
.capability-copy .why-display { color: var(--text-primary); }
.capability-copy .why-display .why-grad {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.capability-copy .why-display .why-dot {
  color: var(--violet);
  text-shadow: 0 0 24px rgba(167, 139, 250, 0.6);
}

/* Contact form */
.contact-panel {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.3);
}
.contact-form input,
.contact-form textarea {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  box-shadow: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}
.contact-form label span { color: var(--text-secondary); }

/* Service-card ::before glow boost */
.service-card::before {
  background: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(56, 189, 248, 0.2)), transparent 60%);
}
.cap-card::before,
.step-card::before,
.comp-card::before {
  background-image: radial-gradient(circle at 100% 0%, var(--card-glow, rgba(56, 189, 248, 0.2)), transparent 60%);
}

/* Comp glow drop */
.comp-glow {
  background: radial-gradient(ellipse, var(--card-accent, var(--cyan)), transparent 70%);
}

/* Cap-icon, service-icon, step-icon — refresh shadow for dark */
.cap-icon, .service-icon, .step-icon {
  box-shadow: 0 8px 22px var(--card-glow, rgba(56, 189, 248, 0.4));
}

/* model-board::before keep cyan-dim usage but tweak */
.model-stack::before {
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Footer */
.site-footer {
  background: rgba(5, 8, 18, 0.85);
  border-top-color: rgba(255, 255, 255, 0.06);
}
.footer-grid p { color: var(--text-muted); }

/* ============================================================
   Group focus — hover one card, dim its siblings
   ============================================================ */
.service-grid:has(.service-card:hover) .service-card:not(:hover),
.capability-list:has(.cap-card:hover) .cap-card:not(:hover),
.compliance-grid:has(.comp-card:hover) .comp-card:not(:hover),
.timeline:has(.step-card:hover) .step-card:not(:hover) {
  opacity: 0.45;
  filter: saturate(0.55) blur(0.4px);
  transform: scale(0.97);
}

.service-grid:has(.service-card:hover) .service-card:not(:hover) .service-shine,
.capability-list:has(.cap-card:hover) .cap-card:not(:hover) .cap-shine,
.timeline:has(.step-card:hover) .step-card:not(:hover) .step-shine {
  display: none;
}

/* board-row group dim */
.model-board:has(.board-row:hover) .board-row:not(:hover) {
  opacity: 0.55;
  filter: saturate(0.6);
}

/* ============================================================
   Language Switcher
   ============================================================ */
.lang-switch {
  position: relative;
  margin-left: auto;
  margin-right: 12px;
  flex-shrink: 0;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
}

.lang-btn:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--cyan);
}

.lang-btn svg {
  width: 16px;
  height: 16px;
}

.lang-current { font-weight: 700; letter-spacing: 0.04em; }

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  display: none;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: rgba(10, 14, 28, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
  min-width: 160px;
  z-index: 1000;
}

.lang-switch.open .lang-menu { display: block; }

.lang-menu li {
  padding: 9px 14px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-menu li:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--text-primary);
}

.lang-menu li.active {
  background: rgba(56, 189, 248, 0.15);
  color: var(--cyan);
}

/* ============================================================
   Mobile Responsive Refinements
   ============================================================ */

@media (max-width: 980px) {
  /* Header compact */
  .site-header { gap: 12px; padding: 0 20px; }
  .lang-switch { margin-left: auto; margin-right: 4px; }
  .lang-btn { padding: 6px 10px; font-size: 11px; }
  .lang-btn svg { width: 14px; height: 14px; }

  /* Hero metrics compact spacing */
  .hero-metrics { gap: 14px; margin-top: 50px; }
  .hero-metrics div { padding: 24px 18px; }
  .hero-metrics strong { font-size: 36px; }

  /* Board row compact */
  .board-row {
    grid-template-columns: 32px 70px minmax(0, 1fr) auto;
    gap: 12px;
    padding: 14px 16px;
  }
}

@media (max-width: 700px) {
  /* Header — brand shrinks, nav menu */
  .site-header { gap: 6px; padding: 0 14px; }
  .brand { gap: 10px; min-width: 0; }
  .brand-logo { width: 38px; height: 38px; }
  .brand-text strong { font-size: 17px; }
  .brand-text em { font-size: 9px; letter-spacing: 0.18em; }

  .lang-switch { margin-right: 4px; }
  .lang-btn { padding: 5px 9px; font-size: 10.5px; gap: 4px; }
  .lang-btn svg { width: 13px; height: 13px; }
  .lang-menu { min-width: 140px; right: -8px; }
  .lang-menu li { padding: 8px 12px; font-size: 12px; }

  .menu-toggle { width: 38px; height: 38px; }

  /* Hero text */
  .hero { min-height: auto; }
  .hero-content { padding-top: calc(var(--header-h) + 30px); padding-bottom: 50px; }
  .hero-grid { padding-top: 0; }
  .hero-text { padding: 0 4px; }
  .hero-text h1 {
    font-size: clamp(30px, 8.5vw, 44px);
    line-height: 1.12;
  }
  .hero-text .hero-copy { font-size: 15.5px; line-height: 1.65; margin-top: 20px; }
  .hero-text .eyebrow { font-size: 11px; padding: 6px 12px; }
  .hero-text .hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    width: 100%;
    max-width: 360px;
    margin: 28px auto 0;
  }
  .hero-text .hero-actions .btn { width: 100%; min-height: 50px; font-size: 15px; }
  .hero-badges { gap: 8px; margin-top: 26px; }
  .hero-badges li { padding: 6px 10px; font-size: 11px; }

  .hero-metrics { gap: 12px; margin-top: 36px; }
  .hero-metrics div { padding: 22px 16px; }
  .hero-metrics strong { font-size: 32px; }
  .hero-metrics span { font-size: 13px; }

  /* Section padding tightening */
  .section { padding: 60px 0; }
  h2 { font-size: clamp(26px, 6.4vw, 36px); }

  /* Why Token Dance — control overflow */
  .capability-copy .why-display { font-size: clamp(40px, 11vw, 60px); }
  .capability-copy .why-tagline { font-size: clamp(16px, 3.5vw, 20px); }
  .capability-copy p:last-child { font-size: 15px; }

  /* All glass cards: tighter */
  .service-card,
  .step-card,
  .cap-card,
  .comp-card {
    padding: 22px 20px 20px;
  }
  .service-card h3,
  .step-card h3,
  .cap-card h3,
  .comp-card h3 { font-size: 16px; line-height: 1.35; }
  .service-card p,
  .step-card p,
  .cap-card p,
  .comp-card p { font-size: 13.5px; line-height: 1.6; }
  .service-icon,
  .step-icon,
  .cap-icon,
  .comp-icon { width: 42px; height: 42px; border-radius: 12px; }
  .service-icon svg,
  .step-icon svg,
  .cap-icon svg,
  .comp-icon svg { width: 22px; height: 22px; }
  .service-index,
  .step-index,
  .cap-index { font-size: 38px; }

  /* Model board — stack tier label and content */
  .board-row {
    grid-template-columns: 30px 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 4px;
    column-gap: 10px;
    padding: 14px 14px;
  }
  .board-row .row-icon { grid-row: 1; grid-column: 1; width: 28px; height: 28px; }
  .board-row .row-icon svg { width: 16px; height: 16px; }
  .board-row .row-tier { grid-row: 1; grid-column: 2; font-size: 11.5px; }
  .board-row .row-status { grid-row: 1; grid-column: 3; font-size: 9px; padding: 3px 7px; }
  .board-row strong { grid-row: 2; grid-column: 1 / -1; font-size: 13.5px; padding-left: 40px; }

  /* Model tags */
  .model-tags { gap: 8px; }
  .model-tags span { padding: 7px 12px; font-size: 12px; }

  /* Routing stage models stack on small screens */
  .stage-models { grid-template-columns: 1fr; }
  .model-pill { font-size: 12px; padding: 9px 12px; }
  .stage-card { max-width: none; padding: 18px 16px; }
  .stage-card-hub { padding: 22px 18px; max-width: none; }
  .hub-stats li { font-size: 10px; }

  /* Compliance status badge tighter */
  .comp-status, .comp-status.status-amber, .comp-status.status-mint, .comp-status.status-violet {
    padding: 4px 9px;
    font-size: 9.5px;
  }
  .comp-list li { font-size: 11.5px; }

  /* Process / Service tags wrap nicely */
  .step-tags, .service-tags, .cap-tags { gap: 4px; }
  .step-tags li, .service-tags li, .cap-tags li { font-size: 9.5px; padding: 3px 7px; }

  /* Contact form */
  .contact-panel { padding: 28px 22px; }
  .contact-form input, .contact-form textarea { padding: 14px 16px; font-size: 15px; }

  /* Footer — full width, no rigid right alignment */
  .footer-grid { grid-template-columns: 1fr; gap: 20px; text-align: left; }
  .footer-grid p[style*="text-align: right"] { text-align: left !important; }

  /* Mobile menu drawer */
  .site-header.nav-open .nav-links {
    background: rgba(10, 14, 28, 0.96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }
  .site-header.nav-open .nav-links a {
    color: var(--text-primary);
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }
}

@media (max-width: 480px) {
  .brand-text em { display: none; }
  .brand-logo { width: 36px; height: 36px; }
  .brand-text strong { font-size: 16px; }
  .container { width: min(100% - 20px, 1200px); }
  .lang-current { display: inline-block; }
}

/* ============================================================
   Mobile Hardening — global anti-overflow + forced mobile sizing
   ============================================================ */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}

* { min-width: 0; }

img, svg, video, canvas { max-width: 100%; height: auto; }

@media (max-width: 700px) {
  /* Anti-overflow safety */
  body { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

  /* Header is sticky; allow lang menu to overflow horizontally */
  .site-header { overflow: visible; }

  /* Hero h1 — ensure mobile sizing wins */
  .hero-text h1,
  .hero h1 {
    font-size: clamp(28px, 8vw, 40px) !important;
    line-height: 1.18 !important;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  .hero-text .hero-copy {
    font-size: 15px !important;
    margin-top: 18px !important;
  }

  /* Tap targets — at least 44px */
  .btn { min-height: 48px; padding: 0 22px; }
  .lang-btn, .menu-toggle { min-height: 38px; }

  /* Why Token Dance */
  .capability-copy .why-display {
    font-size: clamp(38px, 11vw, 56px) !important;
  }

  /* Section padding tighter */
  .section { padding: 56px 0; }

  /* Container padding minimum */
  .container { width: min(100% - 28px, 1200px); }

  /* Hero metrics — guarantee single column */
  .hero-metrics { grid-template-columns: 1fr !important; }

  /* Make sure no element is wider than viewport */
  .container > *,
  .container .hero-grid,
  .container .capability-grid,
  .container .model-grid,
  .container .service-grid,
  .container .compliance-grid,
  .container .timeline,
  .container .router-scene,
  .container .contact-panel { max-width: 100%; }

  /* Code, pre wrap on mobile */
  pre, code { word-break: break-word; white-space: pre-wrap; }

  /* Long URLs / emails in footer */
  .footer-grid p { word-break: break-word; }

  /* Lang menu — keep within viewport */
  .lang-menu { right: -4px; }

  /* Mobile nav drawer text — ensure data-i18n applies */
  .site-header.nav-open .nav-links {
    flex-direction: column;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-text h1,
  .hero h1 { font-size: clamp(26px, 8.4vw, 36px) !important; }
  .hero-text .eyebrow { font-size: 10.5px; padding: 5px 10px; }
  .hero-badges li { font-size: 10.5px; padding: 5px 9px; }
  .hero-text .hero-actions { gap: 10px; margin-top: 24px; }
  .hero-metrics div { padding: 20px 14px; }
  .hero-metrics strong { font-size: 30px; }
  .hero-metrics span { font-size: 12px; }

  /* Why Token Dance smaller */
  .capability-copy .why-display { font-size: clamp(34px, 12vw, 50px) !important; }
  .capability-copy .why-tagline { font-size: 16px !important; }

  /* Cards even tighter */
  .service-card, .step-card, .cap-card, .comp-card {
    padding: 18px 16px 16px !important;
    border-radius: 14px !important;
  }
  .service-card h3, .step-card h3, .cap-card h3, .comp-card h3 { font-size: 15px; }
  .service-card p, .step-card p, .cap-card p, .comp-card p { font-size: 13px; }

  .service-icon, .step-icon, .cap-icon, .comp-icon {
    width: 38px !important; height: 38px !important;
  }
  .service-icon svg, .step-icon svg, .cap-icon svg, .comp-icon svg {
    width: 20px !important; height: 20px !important;
  }
  .service-index, .step-index, .cap-index { font-size: 32px !important; }

  /* Board row mini layout */
  .board-row { padding: 12px 12px; }
  .board-row strong { font-size: 12.5px !important; padding-left: 36px !important; }
  .board-row .row-tier { font-size: 11px !important; }
  .board-row .row-status { font-size: 8.5px !important; padding: 2px 6px !important; }

  /* Routing stage card compact */
  .stage-card { padding: 16px 14px; }
  .stage-card-hub { padding: 18px 14px; }

  /* Contact panel */
  .contact-panel { padding: 22px 18px !important; }

  /* Footer */
  .site-footer { padding: 32px 0; }
  .footer-grid p { font-size: 12.5px; }

  /* Hide brand subtitle to give logo + name more room */
  .brand-text em { display: none; }
}

/* ============================================================
   Theme Toggle Button
   ============================================================ */
.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-right: 12px;
  padding: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.theme-btn:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--cyan);
  transform: rotate(-12deg);
}

.theme-icon {
  width: 17px;
  height: 17px;
  transition: opacity 0.3s, transform 0.4s;
}

/* Default (dark theme) — show sun (clicking switches to light) */
.theme-icon-moon { display: none; }
.theme-icon-sun  { display: block; }
[data-theme="light"] .theme-icon-sun  { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

/* ============================================================
   Light Theme — full surface override
   ============================================================ */
[data-theme="light"] {
  --bg-deep: #f8fafc;
  --bg-primary: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.65);

  --cyan: #0ea5e9;
  --cyan-dim: rgba(14, 165, 233, 0.1);
  --cyan-glow: rgba(14, 165, 233, 0.25);
  --violet: #8b5cf6;
  --violet-dim: rgba(139, 92, 246, 0.1);
  --gold: #f59e0b;
  --gold-dim: rgba(245, 158, 11, 0.1);
  --mint: #10b981;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --border: rgba(14, 165, 233, 0.15);
  --border-hover: rgba(14, 165, 233, 0.4);

  --shadow-sm: 0 4px 20px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 12px 40px rgba(14, 165, 233, 0.12);
  --shadow-glow-strong: 0 0 60px rgba(14, 165, 233, 0.2);
}

[data-theme="light"] body { background: var(--bg-deep); }
[data-theme="light"] body::before {
  background-image:
    radial-gradient(circle at 12% 18%, rgba(14, 165, 233, 0.10), transparent 40%),
    radial-gradient(circle at 88% 65%, rgba(139, 92, 246, 0.10), transparent 40%);
}

/* Header */
[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.6);
  border-bottom-color: rgba(14, 165, 233, 0.12);
}
[data-theme="light"] .site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}
[data-theme="light"] .nav-links a { color: var(--text-secondary); }
[data-theme="light"] .nav-links a:hover { color: var(--text-primary); }
[data-theme="light"] .header-action {
  background: var(--bg-primary);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 4px 12px var(--cyan-dim);
}
[data-theme="light"] .menu-toggle {
  background: var(--bg-primary);
  border-color: var(--border);
}
[data-theme="light"] .menu-toggle span { background: var(--text-primary); }

/* Theme button & lang button on light */
[data-theme="light"] .theme-btn,
[data-theme="light"] .lang-btn {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .theme-btn:hover,
[data-theme="light"] .lang-btn:hover {
  background: rgba(14, 165, 233, 0.08);
  border-color: var(--cyan);
  color: var(--cyan);
}
[data-theme="light"] .lang-menu {
  background: rgba(255, 255, 255, 0.96);
  border-color: var(--border);
  box-shadow: 0 16px 50px rgba(15, 23, 42, 0.1);
}
[data-theme="light"] .lang-menu li { color: var(--text-secondary); }
[data-theme="light"] .lang-menu li:hover {
  background: rgba(14, 165, 233, 0.08);
  color: var(--text-primary);
}
[data-theme="light"] .lang-menu li.active {
  background: rgba(14, 165, 233, 0.12);
  color: var(--cyan);
}

/* Hero */
[data-theme="light"] .hero {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}
[data-theme="light"] .hero-overlay {
  background:
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.95) 100%);
}
[data-theme="light"] .hero-grid-bg {
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.08) 1px, transparent 1px);
  opacity: 0.6;
}
[data-theme="light"] .hero h1,
[data-theme="light"] .hero-text h1 { color: var(--text-primary); }
[data-theme="light"] .hero-copy { color: var(--text-secondary); }

[data-theme="light"] .eyebrow,
[data-theme="light"] .section-kicker {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .btn.secondary {
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .btn.secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .hero-badges li {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .hero-metrics div {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(22px) saturate(1.7);
  backdrop-filter: blur(22px) saturate(1.7);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 8px 22px rgba(15, 23, 42, 0.06),
    0 24px 60px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .hero-metrics div::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.95), transparent);
}
[data-theme="light"] .hero-metrics div:hover {
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 28px 60px rgba(14, 165, 233, 0.18);
}
[data-theme="light"] .hero-metrics span { color: var(--text-secondary); }

/* Sections background — restore light look */
[data-theme="light"] .intro,
[data-theme="light"] .model-stack,
[data-theme="light"] .process { background: var(--bg-primary); }
[data-theme="light"] .services,
[data-theme="light"] .routing,
[data-theme="light"] .capability,
[data-theme="light"] .compliance,
[data-theme="light"] .contact { background: var(--bg-deep); }

/* Section ::before glows on light */
[data-theme="light"] .intro::before,
[data-theme="light"] .services::before,
[data-theme="light"] .compliance::before,
[data-theme="light"] .process::before,
[data-theme="light"] .capability::before {
  background-image:
    radial-gradient(circle at 15% 30%, rgba(14, 165, 233, 0.10), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(139, 92, 246, 0.10), transparent 45%),
    linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px) !important;
}
[data-theme="light"] .model-stack::before,
[data-theme="light"] .routing::before {
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.05) 1px, transparent 1px);
}

/* Glass cards — light glass */
[data-theme="light"] .cap-card,
[data-theme="light"] .service-card,
[data-theme="light"] .step-card,
[data-theme="light"] .comp-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 8px 22px rgba(15, 23, 42, 0.05),
    0 24px 60px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .cap-card:hover,
[data-theme="light"] .service-card:hover,
[data-theme="light"] .step-card:hover,
[data-theme="light"] .comp-card:hover {
  background: rgba(255, 255, 255, 0.75);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 28px 60px var(--card-glow, rgba(14, 165, 233, 0.18));
}
[data-theme="light"] .cap-card::after,
[data-theme="light"] .service-card::after,
[data-theme="light"] .step-card::after,
[data-theme="light"] .comp-card::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.95), transparent);
}

[data-theme="light"] .cap-card h3,
[data-theme="light"] .service-card h3,
[data-theme="light"] .step-card h3,
[data-theme="light"] .comp-card h3 { color: var(--text-primary); }
[data-theme="light"] .cap-card p,
[data-theme="light"] .service-card p,
[data-theme="light"] .step-card p,
[data-theme="light"] .comp-card p { color: var(--text-secondary); }
[data-theme="light"] .cap-index,
[data-theme="light"] .service-index,
[data-theme="light"] .step-index { color: rgba(15, 23, 42, 0.06); }

[data-theme="light"] .cap-tags li,
[data-theme="light"] .service-tags li,
[data-theme="light"] .step-tags li {
  background: rgba(14, 165, 233, 0.06);
  border-color: rgba(14, 165, 233, 0.18);
}

/* Per-tier glow palette refresh for light */
[data-theme="light"] .cap-card[data-number="01"], [data-theme="light"] .service-card[data-tier="01"], [data-theme="light"] .step-card[data-step="01"], [data-theme="light"] .comp-card[data-tier="01"]
  { --card-glow: rgba(14, 165, 233, 0.14); --card-accent: #0ea5e9; }
[data-theme="light"] .cap-card[data-number="02"], [data-theme="light"] .service-card[data-tier="02"], [data-theme="light"] .step-card[data-step="02"], [data-theme="light"] .comp-card[data-tier="02"]
  { --card-glow: rgba(245, 158, 11, 0.14); --card-accent: #f59e0b; }
[data-theme="light"] .cap-card[data-number="03"], [data-theme="light"] .service-card[data-tier="03"], [data-theme="light"] .step-card[data-step="03"], [data-theme="light"] .comp-card[data-tier="03"]
  { --card-glow: rgba(16, 185, 129, 0.14); --card-accent: #10b981; }
[data-theme="light"] .cap-card[data-number="04"], [data-theme="light"] .service-card[data-tier="04"], [data-theme="light"] .step-card[data-step="04"], [data-theme="light"] .comp-card[data-tier="04"]
  { --card-glow: rgba(139, 92, 246, 0.14); --card-accent: #8b5cf6; }

/* Board row light */
[data-theme="light"] .board-row {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 4px 14px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .board-row:hover { background: rgba(255, 255, 255, 0.78); }
[data-theme="light"] .board-row strong { color: var(--text-primary); }
[data-theme="light"] .board-row .row-tier { color: var(--text-secondary); }
[data-theme="light"] .board-row .row-icon {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(139, 92, 246, 0.12));
  border-color: rgba(14, 165, 233, 0.18);
  color: var(--cyan);
}
[data-theme="light"] .board-row .row-status {
  background: rgba(14, 165, 233, 0.05);
  border-color: var(--border);
  color: var(--text-muted);
}
[data-theme="light"] .board-row.accent {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.10), rgba(255, 255, 255, 0.55) 50%);
}
[data-theme="light"] .board-row.accent .row-status {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--gold);
}

[data-theme="light"] .model-board {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 12px 40px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .model-tags span {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

/* Router scene */
[data-theme="light"] .router-scene {
  background: var(--bg-primary);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}
[data-theme="light"] .stage-card {
  background: var(--bg-primary);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .stage-card strong { color: var(--text-primary); }
[data-theme="light"] .stage-card span { color: var(--text-muted); }
[data-theme="light"] .stage-card-hub {
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.06), rgba(139, 92, 246, 0.06));
  border-color: rgba(14, 165, 233, 0.3);
}
[data-theme="light"] .model-pill {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Compliance status badges */
[data-theme="light"] .comp-status {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.28);
  color: #10b981;
}
[data-theme="light"] .comp-status.status-amber {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.32);
  color: #d97706;
}
[data-theme="light"] .comp-status.status-mint {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.32);
  color: #06b6d4;
}
[data-theme="light"] .comp-status.status-violet {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.32);
  color: #8b5cf6;
}
[data-theme="light"] .comp-list { border-top-color: var(--border); }

/* Why display */
[data-theme="light"] .capability-copy h2,
[data-theme="light"] .capability-copy .why-display { color: var(--text-primary); }
[data-theme="light"] .capability-copy .why-tagline { color: var(--text-primary); }

/* Contact */
[data-theme="light"] .contact-panel {
  background: var(--bg-glass);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(24px);
}
[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}
[data-theme="light"] .contact-form input::placeholder,
[data-theme="light"] .contact-form textarea::placeholder { color: var(--text-muted); }
[data-theme="light"] .contact-form input:focus,
[data-theme="light"] .contact-form textarea:focus {
  border-color: var(--cyan);
  background: var(--bg-primary);
  box-shadow: 0 0 0 4px var(--cyan-dim);
}
[data-theme="light"] .contact-form label span { color: var(--text-secondary); }

/* Footer light */
[data-theme="light"] .site-footer {
  background: #0f172a;
  border-top-color: var(--border);
}
[data-theme="light"] .site-footer strong { color: white; }
[data-theme="light"] .footer-grid p { color: #94a3b8; }

/* Mobile drawer light */
[data-theme="light"] .site-header.nav-open .nav-links {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--border);
}
[data-theme="light"] .site-header.nav-open .nav-links a {
  color: var(--text-primary);
  border-bottom-color: var(--border);
}

/* Smooth transition between themes (selected props only) */
body, .site-header, .cap-card, .service-card, .step-card, .comp-card,
.board-row, .stage-card, .model-pill, .contact-panel,
.contact-form input, .contact-form textarea,
.theme-btn, .lang-btn, .header-action {
  transition: background-color 0.4s ease, border-color 0.4s ease, color 0.3s ease, box-shadow 0.4s ease;
}

@media (max-width: 700px) {
  .theme-btn { width: 36px; height: 36px; margin-right: 6px; }
  .theme-icon { width: 15px; height: 15px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .token-canvas { display: none; }
  .model-tags span { animation: none; }
  .model-board::before { animation: none; }
  .eyebrow::before { animation: none; }
  .led, .terminal-cursor, .hub-orbit, .router-pipes .pipe { animation: none; }
  .hero-terminal { transform: none; }
  .cap-shine, .comp-glow { display: none; }
}