/* ─────────────────────────────────────────────── */
/* Model VS Design System v8 — Precision Engineered */
/* Aesthetic: Dark Immersive Data Dashboard         */
/* Accent: Blue (#3b82f6)                       */
/* Typography: Space Grotesk + Inter + JetBrains Mono    */
/* ─────────────────────────────────────────────── */

/* ═══════════════════════════════════════════════ */
/* 1. Color Tokens — OKLCH-ready tinted neutrals   */
/* ═══════════════════════════════════════════════ */
:root {
  /* Primitives */
  --teal-400: #3b82f6;
  --teal-500: #14b8a6;
  --teal-300: #5eead4;
  --teal-600: #0d9488;
  --teal-glow: rgba(59, 130, 246, 0.12);
  --teal-glow-strong: rgba(59, 130, 246, 0.22);
  --gold-400: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.10);
  --green-400: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.10);
  --purple-400: #a78bfa;
  --purple-glow: rgba(167, 139, 250, 0.10);
  --red-400: #ef4444;
  --red-glow: rgba(239, 68, 68, 0.10);

  /* Dark theme (default) */
  --bg: #090b10;
  --bg-2: #0c0e14;
  --bg-3: #10121a;
  --panel: #11141d;
  --elevated: #181b25;
  --hover: #1e2230;
  --active: #252a3a;
  --text: #f5f7fa;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;
  --border: rgba(255, 255, 255, 0.06);
  --border-standard: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(59, 130, 246, 0.25);
  --accent: var(--teal-400);
  --accent-hover: var(--teal-300);
  --accent-glow: var(--teal-glow);
  --accent-strong: var(--teal-glow-strong);
  --gold: var(--gold-400);
  --green: var(--green-400);
  --purple: var(--purple-400);
  --red: var(--red-400);

  /* Typography */
  --display: 'Space Grotesk', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Type scale */
  --text-xs: 0.70rem;
  --text-sm: 0.80rem;
  --text-base: 0.94rem;
  --text-lg: 1.05rem;
  --text-xl: 1.25rem;
  --text-2xl: clamp(1.5rem, 3vw, 1.9rem);
  --text-3xl: clamp(1.8rem, 4.2vw, 2.6rem);
  --text-4xl: clamp(2.4rem, 6.5vw, 4.2rem);

  /* Spacing — 4pt base */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.30);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px var(--accent-glow);
  --chart-grid: rgba(255, 255, 255, 0.06);
  --chart-text: #94a3b8;

  /* Z-index scale */
  --z-base: 0;
  --z-grid: 0;
  --z-content: 1;
  --z-sticky: 100;
  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-tooltip: 400;

  /* Legacy token aliases for older / secondary pages */
  --text2: var(--text-secondary);
  --text3: var(--text-tertiary);
  --bg2: var(--bg-2);
  --bg3: var(--bg-3);
  --border2: var(--border-standard);
}

[data-theme="light"] {
  --bg: #f8f9fb;
  --bg-2: #f1f3f6;
  --bg-3: #e8ebf0;
  --panel: #ffffff;
  --elevated: #ffffff;
  --hover: #f1f5f9;
  --active: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;
  --border: rgba(15, 23, 42, 0.08);
  --border-standard: rgba(15, 23, 42, 0.12);
  --border-hover: rgba(15, 23, 42, 0.18);
  --border-accent: rgba(13, 148, 136, 0.35);
  --accent: var(--teal-600);
  --accent-hover: var(--teal-500);
  --accent-glow: rgba(13, 148, 136, 0.08);
  --accent-strong: rgba(13, 148, 136, 0.16);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 24px var(--accent-glow);
  --chart-grid: rgba(15, 23, 42, 0.10);
  --chart-text: #64748b;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font);
  font-size: var(--text-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background-color var(--duration-normal) var(--ease-out-quart),
              color var(--duration-normal) var(--ease-out-quart);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-quart);
}

a:hover {
  color: var(--accent-hover);
}

/* ═══════════════════════════════════════════════ */
/* 3. Grid Background — Signature Element          */
/* ═══════════════════════════════════════════════ */
#grid-bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-grid);
  pointer-events: none;
  opacity: 0.45;
}

/* ═══════════════════════════════════════════════ */
/* 4. Navigation                                   */
/* ═══════════════════════════════════════════════ */
nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: 56px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--duration-normal) var(--ease-out-quart),
              border-color var(--duration-normal) var(--ease-out-quart);
}

.nav-inner {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-weight: var(--font-weight-extrabold);
  font-size: 1.05rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  letter-spacing: -0.04em;
}

.nav-logo .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-strong);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}

.nav-links a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .nav-links a.active {
  background: rgba(15, 23, 42, 0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--border-standard);
  background: var(--panel);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--elevated);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════ */
/* 5. Layout & Containers                          */
/* ═══════════════════════════════════════════════ */
main {
  position: relative;
  z-index: var(--z-content);
}

.container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-16) 0;
  position: relative;
}

.section-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  font-family: var(--mono);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.section-desc {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 560px;
}

/* ═══════════════════════════════════════════════ */
/* 6. Hero — Asymmetric, High Impact                 */
/* ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: center;
  padding: var(--space-12) var(--space-6);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 900px 500px at 30% 0%, var(--accent-glow) 0%, transparent 60%),
    radial-gradient(ellipse 600px 300px at 75% 10%, rgba(167, 139, 250, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 500px 250px at 85% 50%, rgba(34, 197, 94, 0.03) 0%, transparent 45%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: center;
  max-width: 1340px;
  margin: 0 auto;
  width: 100%;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.05em;
  line-height: 1.02;
  margin-bottom: var(--space-5);
}

.hero h1 .accent-word {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero h1 .accent-word::after {
  content: '';
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: 0.12em;
  height: 0.12em;
  background: var(--accent-glow);
  z-index: -1;
  border-radius: 2px;
}

.hero .subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: left;
}

.hero-stat .num {
  font-size: 2.2rem;
  font-weight: var(--font-weight-extrabold);
  font-family: var(--mono);
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
}

.hero-stat .label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
  font-weight: var(--font-weight-semibold);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: var(--space-3);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.bento-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: all var(--duration-normal) var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quart);
  pointer-events: none;
}

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

.bento-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-card.span-3 {
  grid-column: span 3;
}

.bento-card .label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  font-family: var(--mono);
}

.bento-card .value {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  letter-spacing: -0.02em;
}

.bento-card .meta {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.mini-chart {
  height: 40px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  margin-top: var(--space-4);
}

.mini-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  opacity: 0.7;
  transition: opacity var(--duration-fast) var(--ease-out-quart);
}

.mini-bar:nth-child(even) {
  opacity: 0.45;
}

.bento-card:hover .mini-bar {
  opacity: 1;
}

/* ═══════════════════════════════════════════════ */
/* 7. Buttons                                       */
/* ═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  transition: all var(--duration-fast) var(--ease-out-quart);
  border: none;
  cursor: pointer;
  letter-spacing: -0.01em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--border-standard);
  color: var(--text-secondary);
  border-radius: var(--radius);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out-quart);
  cursor: pointer;
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .btn-outline:hover {
  background: rgba(15, 23, 42, 0.03);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--text-tertiary);
  border-radius: var(--radius);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .btn-ghost:hover {
  background: rgba(15, 23, 42, 0.04);
}

/* ═══════════════════════════════════════════════ */
/* 8. Tabs & Filters                                */
/* ═══════════════════════════════════════════════ */
.sub-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.sub-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  font-family: var(--font);
  white-space: nowrap;
}

.sub-tab:hover:not(.active) {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .sub-tab:hover:not(.active) {
  background: rgba(15, 23, 42, 0.03);
}

.sub-tab.active {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

/* ═══════════════════════════════════════════════ */
/* 9. Table — Leaderboard                           */
/* ═══════════════════════════════════════════════ */
.tbl-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-standard);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--border-standard) transparent;
  box-shadow: var(--shadow-md);
}

.tbl-wrap::-webkit-scrollbar {
  height: 6px;
}

.tbl-wrap::-webkit-scrollbar-track {
  background: transparent;
}

.tbl-wrap::-webkit-scrollbar-thumb {
  background: var(--border-standard);
  border-radius: var(--radius-full);
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 680px;
}

.tbl thead th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-standard);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  white-space: nowrap;
  background: var(--bg-3);
  font-family: var(--mono);
}

.tbl tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  vertical-align: middle;
  font-size: var(--text-sm);
  transition: background-color var(--duration-fast) var(--ease-out-quart);
}

.tbl tbody tr {
  transition: background-color var(--duration-fast) var(--ease-out-quart);
}

.tbl tbody tr:hover {
  background: var(--hover);
}

.tbl .rank {
  font-family: var(--mono);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  width: 48px;
}

.tbl .rank-1,
.tbl .rank-2,
.tbl .rank-3 {
  color: var(--gold);
}

.tbl .rank-1 {
  animation: rankGlow 3s ease-in-out infinite;
}

.tbl .name {
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tbl .num {
  font-family: var(--mono);
  font-weight: var(--font-weight-medium);
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

.data-bar {
  display: inline-block;
  height: 3px;
  border-radius: 2px;
  margin-left: var(--space-2);
  opacity: 0.35;
  vertical-align: middle;
  transition: width 0.6s var(--ease-out-quart), opacity var(--duration-fast) var(--ease-out-quart);
}

.tbl tbody tr:hover .data-bar {
  opacity: 0.7;
}

.price-down {
  color: var(--green);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  margin-left: var(--space-1);
}

.price-up {
  color: var(--red);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  margin-left: var(--space-1);
}

.rank-change {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  margin-left: var(--space-1);
}

.rank-up { color: var(--green); }
.rank-down { color: var(--red); }

.badge-new {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.58rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.25);
  animation: newPulse 2s ease-in-out infinite;
}

@keyframes newPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.25); }
  50% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

@keyframes rankGlow {
  0%, 100% { text-shadow: 0 0 6px var(--gold-glow); }
  50% { text-shadow: 0 0 16px var(--gold-glow), 0 0 28px rgba(245, 158, 11, 0.15); }
}

/* ═══════════════════════════════════════════════ */
/* 10. Badges                                       */
/* ═══════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.6rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: help;
  position: relative;
  line-height: 1.5;
}

.badge-blue {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--border-accent);
}

.badge-green {
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.22);
}

.badge-gold {
  background: var(--gold-glow);
  color: var(--gold);
  border: 1px solid rgba(245, 158, 11, 0.22);
}

.badge-purple {
  background: var(--purple-glow);
  color: var(--purple);
  border: 1px solid rgba(167, 139, 250, 0.22);
}

.badge:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--elevated);
  color: var(--text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: 0.65rem;
  font-weight: var(--font-weight-normal);
  text-transform: none;
  white-space: nowrap;
  z-index: var(--z-tooltip);
  border: 1px solid var(--border-standard);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════════ */
/* 11. Watchlist & Banners                          */
/* ═══════════════════════════════════════════════ */
.change-banner {
  display: none;
  background: linear-gradient(135deg, var(--accent-glow), rgba(34, 197, 94, 0.04));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text);
  animation: fadeUp var(--duration-slow) var(--ease-out-quart);
  position: relative;
}

.banner-text {
  font-weight: var(--font-weight-semibold);
}

.banner-dismiss {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 1.1rem;
  padding: var(--space-1);
  border-radius: var(--radius);
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.banner-dismiss:hover {
  color: var(--text);
}

.watchlist-section {
  display: none;
  margin-bottom: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--panel);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.watchlist-section h3 {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  font-weight: var(--font-weight-semibold);
  font-family: var(--mono);
}

.watch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.watch-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.watch-item:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.watch-remove {
  color: var(--text-tertiary);
  font-size: 0.72rem;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.watch-remove:hover {
  color: var(--red);
  background: var(--red-glow);
}

.watch-star {
  display: inline-flex;
  cursor: pointer;
  font-size: 0.85rem;
  user-select: none;
  padding: 0 var(--space-1);
  transition: transform var(--duration-fast) var(--ease-out-quart);
  color: var(--gold);
}

.watch-star:hover {
  transform: scale(1.2);
}

.watch-star:active {
  transform: scale(0.9);
}

/* ═══════════════════════════════════════════════ */
/* 12. Scene Cards                                  */
/* ═══════════════════════════════════════════════ */
.scene-wall {
  overflow: hidden;
  padding: var(--space-3) 0;
  position: relative;
  max-width: 1340px;
  margin: 0 auto;
}

.scene-wall::before,
.scene-wall::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.scene-wall::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.scene-wall::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.scene-track {
  display: flex;
  gap: var(--space-2);
  animation: sceneScroll 40s linear infinite;
  width: max-content;
}

.scene-track:hover {
  animation-play-state: paused;
}

@keyframes sceneScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.scene-card {
  flex-shrink: 0;
  width: 132px;
  padding: var(--space-4) var(--space-3);
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-quart);
  transform-style: preserve-3d;
  perspective: 600px;
}

.scene-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px) rotateX(3deg) rotateY(-2deg);
  box-shadow: var(--shadow-glow);
}

.scene-card .icon {
  width: 28px;
  height: 28px;
  margin: 0 auto var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.scene-card:hover .icon {
  transform: scale(1.12);
}

.scene-card .label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  letter-spacing: -0.01em;
}

.scene-result {
  max-width: 800px;
  margin: var(--space-4) auto 0;
  padding: var(--space-5) var(--space-6);
  background: var(--panel);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  display: none;
  animation: fadeUp var(--duration-normal) var(--ease-out-quart);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-glow);
}

.scene-result h4 {
  color: var(--accent);
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
}

.scene-stack {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.scene-stack-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}

.scene-stack-item strong {
  color: var(--accent);
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
  font-weight: var(--font-weight-semibold);
  font-family: var(--mono);
}

/* ═══════════════════════════════════════════════ */
/* 13. Feature Cards                                */
/* ═══════════════════════════════════════════════ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.feat-card {
  padding: var(--space-6);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}

.feat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quart);
  pointer-events: none;
}

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

.feat-card:hover {
  border-color: var(--border-hover);
  background: var(--elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feat-card .icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--accent-glow);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.feat-card:hover .icon {
  transform: scale(1.08);
}

.feat-card strong {
  font-size: var(--text-base);
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
}

.feat-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════ */
/* 14. Compare Section                              */
/* ═══════════════════════════════════════════════ */
.compare-box {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: start;
  margin-top: var(--space-5);
}

.compare-col {
  background: var(--panel);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-out-quart);
}

.compare-col:hover {
  border-color: var(--border-hover);
}

.compare-col select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' fill='none' stroke='%2364748b' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.compare-col select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-extrabold);
  color: var(--text-tertiary);
  font-family: var(--mono);
  padding-top: var(--space-10);
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
}

.compare-stats {
  margin-top: var(--space-4);
}

.compare-stat {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
}

.compare-stat .lbl {
  color: var(--text-tertiary);
}

.compare-stat .val {
  font-weight: var(--font-weight-semibold);
  font-family: var(--mono);
  font-size: var(--text-sm);
  color: var(--text);
}

.radar-wrap {
  margin-top: var(--space-5);
  background: var(--panel);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.radar-wrap canvas {
  max-height: 340px;
}

/* ═══════════════════════════════════════════════ */
/* 15. News Ticker                                  */
/* ═══════════════════════════════════════════════ */
.news-wrap {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-lg);
  padding: var(--space-3) 0;
  margin-top: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.news-track {
  display: flex;
  gap: var(--space-10);
  animation: newsScroll 45s linear infinite;
  width: max-content;
}

.news-track:hover {
  animation-play-state: paused;
}

@keyframes newsScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.news-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  font-size: var(--text-sm);
}

.news-item .ndot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.news-item a {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.news-item a:hover {
  color: var(--text);
}

/* ═══════════════════════════════════════════════ */
/* 16. Command Palette                              */
/* ═══════════════════════════════════════════════ */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18vh;
}

.cmd-overlay.open {
  display: flex;
}

.cmd-panel {
  background: var(--panel);
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-xl);
  width: 500px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.cmd-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-standard);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--text-base);
  padding: var(--space-5) var(--space-6);
  outline: none;
}

.cmd-list {
  max-height: 300px;
  overflow-y: auto;
}

.cmd-item {
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.cmd-item:hover,
.cmd-item.active {
  background: var(--accent-glow);
  color: var(--text);
}

.cmd-item .key {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--bg);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-left: auto;
  font-family: var(--mono);
}

/* ═══════════════════════════════════════════════ */
/* 17. Utility & States                             */
/* ═══════════════════════════════════════════════ */
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  margin-right: var(--space-2);
  animation: livePulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
}

.loading-text {
  text-align: center;
  color: var(--text-tertiary);
  padding: var(--space-10);
  font-size: var(--text-base);
}

.skeleton-row {
  animation: skeletonFade 0.6s ease backwards;
}

@keyframes skeletonFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sk-bar {
  display: inline-block;
  height: 11px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--panel) 25%, var(--elevated) 37%, var(--panel) 63%);
  background-size: 400px 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Focus rings */
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════ */
/* 18. Footer                                       */
/* ═══════════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  position: relative;
  z-index: var(--z-content);
  background: var(--bg-2);
  transition: background-color var(--duration-normal) var(--ease-out-quart);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  margin: 0 var(--space-2);
  letter-spacing: -0.01em;
  transition: color var(--duration-fast) var(--ease-out-quart);
}

footer a:hover {
  color: var(--text);
}

footer p {
  margin-top: var(--space-3);
}

/* ═══════════════════════════════════════════════ */
/* 19. Responsive                                   */
/* ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .hero-visual {
    order: 1;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .compare-box {
    grid-template-columns: 1fr 1fr;
  }
  .compare-vs {
    display: none;
  }
}

@media (max-width: 768px) {
  nav { height: 52px; }
  .nav-inner { padding: 0 var(--space-4); height: 52px; }
  .nav-links a { padding: var(--space-1) var(--space-2); font-size: var(--text-xs); }
  .nav-logo { font-size: 0.95rem; }

  .hero {
    min-height: auto;
    padding: var(--space-10) var(--space-4);
  }
  .hero-content { max-width: 100%; }
  .hero .subtitle { font-size: var(--text-base); }
  .hero-stats { gap: var(--space-6); }
  .hero-stat .num { font-size: 1.6rem; }
  .hero-stat .label { font-size: 0.6rem; }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2,
  .bento-card.span-3 {
    grid-column: span 1;
  }

  .section { padding: var(--space-16) 0; }
  .section-sm { padding: var(--space-10) 0; }
  .container { padding: 0 var(--space-4); }
  .section-title { font-size: var(--text-xl); }
  .section-desc { font-size: var(--text-sm); }
  .section-label { font-size: var(--text-xs); }

  .sub-tabs { gap: var(--space-1); margin-bottom: var(--space-4); }
  .sub-tab { padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }

  .tbl { font-size: var(--text-xs); min-width: 560px; }
  .tbl thead th { padding: var(--space-2) var(--space-3); font-size: 0.58rem; }
  .tbl tbody td { padding: var(--space-2) var(--space-3); }
  .tbl .name { max-width: 180px; }
  .tbl .num { font-size: var(--text-xs); }

  .compare-box { grid-template-columns: 1fr; gap: var(--space-3); }
  .compare-col { padding: var(--space-4); }
  .compare-vs { padding: 0; }
  .radar-wrap { padding: var(--space-4); }
  .radar-wrap canvas { max-height: 260px; }

  .scene-card { width: 110px; padding: var(--space-3) var(--space-2); }
  .scene-card .label { font-size: var(--text-xs); }

  .news-wrap { padding: var(--space-2) 0; }
  .news-item { font-size: var(--text-xs); }

  footer { padding: var(--space-6) var(--space-4); font-size: var(--text-xs); }
  footer a { margin: 0 var(--space-1); }
}

@media (max-width: 480px) {
  .hero h1 { font-size: var(--text-3xl); }
  .hero { padding: var(--space-8) var(--space-3); }
  .hero-stats { gap: var(--space-4); }
  .hero-stat .num { font-size: 1.3rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn, .btn-outline { width: 100%; justify-content: center; }

  .container { padding: 0 var(--space-3); }
  .section-title { font-size: var(--text-lg); }
  .tbl { min-width: 480px; }
  .tbl .name { max-width: 140px; }
  .nav-inner { padding: 0 var(--space-3); }
  .nav-logo { font-size: 0.85rem; }
}

/* ═══════════════════════════════════════════════ */
/* 20. Reduced Motion                               */
/* ═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .scene-track, .news-track, .wall-track { animation: none; }
}

/* Deep Void override for static pages */
body {
  background:
    radial-gradient(circle at 14% 14%, rgba(126, 231, 255, 0.14), transparent 20%),
    radial-gradient(circle at 82% 18%, rgba(143, 157, 255, 0.12), transparent 26%),
    radial-gradient(circle at 50% 76%, rgba(53, 82, 145, 0.18), transparent 32%),
    linear-gradient(180deg, #02050b 0%, #040814 100%);
  color: #edf3ff;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

#grid-bg {
  display: none;
}

nav {
  margin: 14px auto 0;
  max-width: 1320px;
  height: auto;
  border: 1px solid rgba(148, 182, 255, 0.1);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(8, 16, 28, 0.88), rgba(4, 10, 18, 0.72));
  box-shadow: 0 22px 70px rgba(2, 8, 19, 0.42);
}

.nav-inner {
  padding: 14px 24px;
  gap: 16px;
}

.nav-logo {
  font-family: "Space Grotesk", var(--font);
  letter-spacing: -0.05em;
}

.nav-links {
  gap: 4px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #a2b3d0;
}

.nav-links a:hover {
  color: #edf3ff;
  background: rgba(255, 255, 255, 0.05);
}

.theme-toggle {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

main[style] {
  max-width: 980px !important;
  padding: 88px 24px 120px !important;
}

main[style] > h1:first-child {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

main[style] > p:first-of-type {
  max-width: 42rem;
  color: var(--text-secondary) !important;
  font-size: 1.02rem;
  line-height: 1.9 !important;
}

main[style] > h2 {
  margin-top: 42px !important;
  margin-bottom: 14px !important;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.04em;
}

main[style] > p,
main[style] li {
  color: var(--text-secondary) !important;
}

main[style] a {
  color: var(--accent);
}

main[style] > p[style*='font-size:.8rem'] {
  display: inline-flex;
  margin-top: 42px !important;
  border-radius: 999px;
  border: 1px solid rgba(148, 182, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 14px;
}

footer {
  margin-top: 0;
  background: linear-gradient(180deg, rgba(6, 12, 22, 0.9), rgba(2, 5, 11, 0.96));
  border-top: 1px solid rgba(148, 182, 255, 0.1);
}

footer a {
  color: #a2b3d0;
}

footer a:hover {
  color: #edf3ff;
}

@media (max-width: 768px) {
  nav {
    margin: 10px 12px 0;
  }

  .nav-inner {
    padding: 12px 14px;
  }

  main[style] {
    padding: 72px 18px 92px !important;
  }

  main[style] > h1:first-child {
    max-width: none;
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }
}

/* =================================================== */
/* 21. Evidence document surfaces                       */
/* =================================================== */
.doc-shell {
  --doc-bg: #050811;
  --doc-bg-soft: #080d18;
  --doc-panel: rgba(12, 19, 33, 0.78);
  --doc-panel-solid: #0c1321;
  --doc-elevated: #111b2d;
  --doc-line: rgba(155, 183, 224, 0.12);
  --doc-line-strong: rgba(155, 183, 224, 0.2);
  --doc-text: #edf4ff;
  --doc-copy: #a6b6cc;
  --doc-muted: #6f829e;
  --page-accent: #7ee7ff;
  --page-accent-rgb: 126 231 255;
  --page-secondary: #8f9dff;
  --accent: var(--page-accent);
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 7%, rgb(var(--page-accent-rgb) / 0.11), transparent 24rem),
    radial-gradient(circle at 89% 18%, rgba(143, 157, 255, 0.1), transparent 28rem),
    linear-gradient(180deg, var(--doc-bg) 0%, #060a13 54%, #04070d 100%);
  color: var(--doc-text);
  font-family: var(--font);
}

.doc-theme-violet {
  --page-accent: #b7a7ff;
  --page-accent-rgb: 183 167 255;
  --page-secondary: #7ee7ff;
}

.doc-theme-amber {
  --page-accent: #ffc86b;
  --page-accent-rgb: 255 200 107;
  --page-secondary: #ff8d78;
}

.doc-theme-rose {
  --page-accent: #ff8ea1;
  --page-accent-rgb: 255 142 161;
  --page-secondary: #ffc86b;
}

.doc-theme-green {
  --page-accent: #78e6ba;
  --page-accent-rgb: 120 230 186;
  --page-secondary: #7ee7ff;
}

.doc-theme-blue {
  --page-accent: #82b8ff;
  --page-accent-rgb: 130 184 255;
  --page-secondary: #b7a7ff;
}

[data-theme="light"] .doc-shell {
  --doc-bg: #edf3fb;
  --doc-bg-soft: #f7faff;
  --doc-panel: rgba(255, 255, 255, 0.82);
  --doc-panel-solid: #ffffff;
  --doc-elevated: #f2f6fc;
  --doc-line: rgba(28, 51, 83, 0.12);
  --doc-line-strong: rgba(28, 51, 83, 0.2);
  --doc-text: #111d30;
  --doc-copy: #42546d;
  --doc-muted: #718198;
  background:
    radial-gradient(circle at 10% 7%, rgb(var(--page-accent-rgb) / 0.15), transparent 24rem),
    radial-gradient(circle at 89% 18%, rgba(101, 115, 218, 0.1), transparent 28rem),
    linear-gradient(180deg, var(--doc-bg) 0%, #f8fbff 54%, #eef3f9 100%);
}

.doc-shell::before {
  opacity: 1;
  background-image:
    linear-gradient(var(--doc-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--doc-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent 72%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent 72%);
}

.doc-shell::after {
  opacity: 0.016;
}

.doc-shell #grid-bg {
  display: none;
}

.doc-shell .site-nav {
  position: sticky;
  top: 12px;
  z-index: var(--z-nav);
  width: calc(100% - 24px);
  max-width: 1320px;
  height: auto;
  margin: 12px auto 0;
  border: 1px solid var(--doc-line);
  border-radius: 24px;
  background: color-mix(in srgb, var(--doc-panel-solid) 82%, transparent);
  box-shadow: 0 22px 70px rgba(0, 3, 10, 0.34);
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.doc-shell .site-nav .nav-inner {
  max-width: none;
  min-height: 64px;
  height: auto;
  padding: 8px 12px 8px 16px;
  gap: 16px;
}

.doc-shell .nav-logo {
  display: inline-flex;
  min-width: 190px;
  align-items: center;
  gap: 11px;
  color: var(--doc-text);
  font-family: var(--display);
  text-decoration: none;
}

.brand-orbit {
  position: relative;
  display: inline-grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  border: 1px solid rgb(var(--page-accent-rgb) / 0.28);
  border-radius: 50%;
  background: radial-gradient(circle, rgb(var(--page-accent-rgb) / 0.18), transparent 68%);
  box-shadow: inset 0 0 18px rgb(var(--page-accent-rgb) / 0.05);
}

.brand-orbit::before {
  content: '';
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(143, 157, 255, 0.28);
  border-radius: 50%;
}

.brand-core {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--page-accent);
  box-shadow: 0 0 16px rgb(var(--page-accent-rgb) / 0.85);
}

.brand-copy {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.brand-copy strong {
  color: var(--doc-text);
  font-size: 1.03rem;
  line-height: 1.1;
  letter-spacing: -0.05em;
}

.brand-copy em {
  color: var(--page-accent);
  font-style: normal;
}

.brand-copy small {
  color: var(--doc-muted);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.doc-shell .nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  margin-left: auto;
  padding: 4px;
  border: 1px solid var(--doc-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--doc-elevated) 48%, transparent);
}

.doc-shell .nav-links a {
  flex: 0 0 auto;
  padding: 8px 11px;
  border-radius: 999px;
  color: var(--doc-copy);
  font-size: 0.73rem;
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
}

.doc-shell .nav-links a:hover,
.doc-shell .nav-links a:focus-visible {
  color: var(--doc-text);
  background: rgb(var(--page-accent-rgb) / 0.07);
}

.doc-shell .nav-links a[aria-current="page"] {
  color: var(--page-accent);
  background: rgb(var(--page-accent-rgb) / 0.1);
}

.doc-shell .nav-actions {
  gap: 7px;
}

.language-link,
.doc-shell .theme-toggle {
  display: inline-flex;
  min-width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--doc-line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--doc-elevated) 56%, transparent);
  color: var(--doc-copy);
}

.language-link {
  padding: 0 11px;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.05em;
}

.language-link:hover,
.doc-shell .theme-toggle:hover {
  border-color: rgb(var(--page-accent-rgb) / 0.38);
  color: var(--doc-text);
  background: rgb(var(--page-accent-rgb) / 0.08);
}

.doc-main {
  position: relative;
  z-index: var(--z-content);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 120px;
}

.doc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, 0.82fr);
  gap: clamp(34px, 7vw, 88px);
  align-items: end;
  padding: 32px 0 64px;
  border-bottom: 1px solid var(--doc-line);
}

.doc-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.doc-eyebrow span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  border: 1px solid rgb(var(--page-accent-rgb) / 0.2);
  border-radius: 999px;
  background: rgb(var(--page-accent-rgb) / 0.055);
}

.doc-eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--page-accent);
  box-shadow: 0 0 14px rgb(var(--page-accent-rgb) / 0.8);
}

.doc-hero h1 {
  max-width: 12ch;
  color: var(--doc-text);
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 6.2rem);
  font-weight: 650;
  line-height: 0.91;
  letter-spacing: -0.072em;
  text-wrap: balance;
}

.doc-lede {
  max-width: 44rem;
  margin-top: 24px;
  color: var(--doc-copy);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.8;
}

.doc-signal {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  gap: 0;
  border: 1px solid var(--doc-line-strong);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgb(var(--page-accent-rgb) / 0.08), transparent 42%),
    var(--doc-panel);
  box-shadow: 0 24px 80px rgba(0, 2, 9, 0.23);
}

.doc-signal::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: -25%;
  bottom: -25%;
  left: -42%;
  width: 34%;
  transform: rotate(12deg);
  background: linear-gradient(90deg, transparent, rgb(var(--page-accent-rgb) / 0.08), transparent);
  animation: evidence-scan 7s var(--ease-in-out) infinite;
}

.signal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--doc-line);
  color: var(--doc-muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.signal-head span:last-child {
  color: var(--page-accent);
}

.signal-node {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  padding: 16px;
}

.signal-node + .signal-node {
  border-top: 1px solid var(--doc-line);
}

.signal-node + .signal-node::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 40px;
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  border-right: 1px solid rgb(var(--page-accent-rgb) / 0.35);
  border-bottom: 1px solid rgb(var(--page-accent-rgb) / 0.35);
  background: var(--doc-panel-solid);
}

.signal-node small {
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 0.57rem;
  font-weight: 650;
  letter-spacing: 0.1em;
}

.signal-node strong {
  color: var(--doc-text);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.doc-layout {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
  padding-top: 64px;
}

.doc-index {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 4px;
  padding-top: 3px;
}

.doc-index > span {
  margin-bottom: 10px;
  color: var(--doc-muted);
  font-family: var(--mono);
  font-size: 0.57rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.doc-index a {
  position: relative;
  padding: 8px 10px 8px 17px;
  border-radius: 8px;
  color: var(--doc-muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.doc-index a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 2px;
  width: 6px;
  height: 1px;
  background: var(--doc-line-strong);
}

.doc-index a:hover,
.doc-index a:focus-visible {
  color: var(--doc-text);
  background: rgb(var(--page-accent-rgb) / 0.055);
}

.doc-index a:hover::before,
.doc-index a:focus-visible::before {
  width: 8px;
  background: var(--page-accent);
}

.doc-content {
  min-width: 0;
}

.doc-section {
  scroll-margin-top: 112px;
  padding: 0 0 58px;
}

.doc-section + .doc-section {
  padding-top: 58px;
  border-top: 1px solid var(--doc-line);
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 13px;
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: attr(data-code);
  display: inline-grid;
  min-width: 34px;
  height: 23px;
  place-items: center;
  border: 1px solid rgb(var(--page-accent-rgb) / 0.2);
  border-radius: 6px;
  background: rgb(var(--page-accent-rgb) / 0.055);
  font-size: 0.52rem;
}

.doc-section h2 {
  max-width: 22ch;
  color: var(--doc-text);
  font-family: var(--display);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 620;
  line-height: 1.05;
  letter-spacing: -0.052em;
  text-wrap: balance;
}

.doc-section h3 {
  color: var(--doc-text);
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 640;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.doc-section > p,
.doc-section li,
.evidence-card p,
.doc-callout p {
  color: var(--doc-copy);
  line-height: 1.78;
}

.doc-section > p {
  max-width: 48rem;
  margin-top: 16px;
}

.doc-section strong {
  color: var(--doc-text);
}

.doc-section a:not(.doc-action),
.doc-callout a {
  color: var(--page-accent);
  text-decoration: underline;
  text-decoration-color: rgb(var(--page-accent-rgb) / 0.3);
  text-underline-offset: 3px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.evidence-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.evidence-card {
  --card-accent: 126 231 255;
  position: relative;
  overflow: hidden;
  min-height: 178px;
  padding: 21px;
  border: 1px solid var(--doc-line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgb(var(--card-accent) / 0.075), transparent 50%),
    var(--doc-panel);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.evidence-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, rgb(var(--card-accent) / 0.8), transparent 68%);
}

.evidence-card[data-tone="violet"] { --card-accent: 183 167 255; }
.evidence-card[data-tone="amber"] { --card-accent: 255 200 107; }
.evidence-card[data-tone="rose"] { --card-accent: 255 142 161; }
.evidence-card[data-tone="green"] { --card-accent: 120 230 186; }
.evidence-card[data-tone="blue"] { --card-accent: 130 184 255; }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 34px;
  color: rgb(var(--card-accent) / 0.9);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-meta::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgb(var(--card-accent));
  box-shadow: 0 0 12px rgb(var(--card-accent) / 0.75);
}

.evidence-card p {
  margin-top: 10px;
  font-size: 0.84rem;
}

.doc-callout {
  position: relative;
  overflow: hidden;
  margin-top: 26px;
  padding: 24px 24px 24px 29px;
  border: 1px solid rgb(var(--page-accent-rgb) / 0.18);
  border-radius: 18px;
  background: rgb(var(--page-accent-rgb) / 0.055);
}

.doc-callout::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--page-accent);
  box-shadow: 0 0 18px rgb(var(--page-accent-rgb) / 0.55);
}

.doc-callout strong {
  display: block;
  margin-bottom: 7px;
  color: var(--doc-text);
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: -0.025em;
}

.doc-callout p {
  font-size: 0.86rem;
}

.protocol-list {
  display: grid;
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--doc-line);
}

.protocol-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding: 19px 0;
  border-bottom: 1px solid var(--doc-line);
}

.protocol-item > span {
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0.1em;
}

.protocol-item p {
  margin-top: 5px;
  color: var(--doc-copy);
  font-size: 0.84rem;
  line-height: 1.65;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 25px;
}

.doc-action {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 16px;
  border: 1px solid rgb(var(--page-accent-rgb) / 0.25);
  border-radius: 11px;
  background: rgb(var(--page-accent-rgb) / 0.1);
  color: var(--doc-text);
  font-size: 0.77rem;
  font-weight: 650;
  text-decoration: none;
}

.doc-action::after {
  content: '↗';
  color: var(--page-accent);
  font-family: var(--mono);
}

.doc-action:hover,
.doc-action:focus-visible {
  border-color: rgb(var(--page-accent-rgb) / 0.48);
  background: rgb(var(--page-accent-rgb) / 0.16);
  color: var(--doc-text);
  transform: translateY(-1px);
}

.doc-action--quiet {
  border-color: var(--doc-line-strong);
  background: var(--doc-panel);
}

.doc-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 8px 11px;
  border: 1px solid var(--doc-line);
  border-radius: 999px;
  background: var(--doc-panel);
  color: var(--doc-muted);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.doc-stamp::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--page-accent);
}

.doc-shell .site-footer {
  position: relative;
  z-index: var(--z-content);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--doc-line);
  background: color-mix(in srgb, var(--doc-bg) 90%, transparent);
  text-align: left;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  gap: 40px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 38px;
}

.footer-brand strong {
  display: block;
  color: var(--doc-text);
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: -0.035em;
}

.footer-brand p,
.footer-source {
  margin-top: 8px;
  color: var(--doc-muted);
  font-size: 0.68rem;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
}

.doc-shell .site-footer .footer-links a {
  margin: 0;
  color: var(--doc-copy);
  font-size: 0.7rem;
  font-weight: 600;
}

.doc-shell .site-footer .footer-links a:hover,
.doc-shell .site-footer .footer-links a:focus-visible {
  color: var(--page-accent);
}

.footer-meta {
  text-align: right;
}

.footer-source {
  max-width: 42rem;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.doc-shell--404 {
  display: flex;
  flex-direction: column;
}

.doc-main--404 {
  display: grid;
  flex: 1;
  place-items: center;
  padding: 76px 0 96px;
}

.error-panel {
  position: relative;
  overflow: hidden;
  width: min(860px, 100%);
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--doc-line-strong);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgb(var(--page-accent-rgb) / 0.1), transparent 42%),
    var(--doc-panel);
  box-shadow: 0 40px 120px rgba(0, 2, 9, 0.3);
}

.error-code {
  display: block;
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: clamp(4.5rem, 15vw, 9rem);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.09em;
  text-shadow: 0 0 42px rgb(var(--page-accent-rgb) / 0.2);
}

.error-panel h1 {
  max-width: 14ch;
  margin-top: 30px;
  color: var(--doc-text);
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 630;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.error-panel > p {
  max-width: 38rem;
  margin-top: 17px;
  color: var(--doc-copy);
  line-height: 1.75;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-top: 32px;
}

.route-grid a {
  display: grid;
  gap: 12px;
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--doc-line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--doc-elevated) 56%, transparent);
  color: var(--doc-copy);
  font-size: 0.72rem;
  font-weight: 650;
}

.route-grid a span {
  color: var(--page-accent);
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.1em;
}

.route-grid a:hover,
.route-grid a:focus-visible {
  border-color: rgb(var(--page-accent-rgb) / 0.38);
  color: var(--doc-text);
  background: rgb(var(--page-accent-rgb) / 0.08);
}

@keyframes evidence-scan {
  0%, 12% { left: -42%; opacity: 0; }
  22% { opacity: 1; }
  52%, 100% { left: 112%; opacity: 0; }
}

@media (max-width: 1040px) {
  .doc-shell .site-nav .nav-inner {
    flex-wrap: wrap;
    padding: 9px 12px 10px 14px;
  }

  .doc-shell .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    margin: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .doc-shell .nav-links::-webkit-scrollbar {
    display: none;
  }

  .doc-shell .nav-actions {
    margin-left: auto;
  }

  .doc-hero {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.72fr);
    gap: 34px;
  }

  .evidence-grid--three {
    grid-template-columns: 1fr;
  }

  .evidence-grid--three .evidence-card {
    min-height: 0;
  }
}

@media (max-width: 780px) {
  .doc-main,
  .footer-inner {
    width: min(100% - 28px, 680px);
  }

  .doc-main {
    padding: 52px 0 84px;
  }

  .doc-hero {
    grid-template-columns: 1fr;
    padding: 26px 0 44px;
  }

  .doc-hero h1 {
    max-width: 10ch;
    font-size: clamp(2.7rem, 13vw, 4.5rem);
  }

  .doc-signal {
    max-width: 520px;
  }

  .doc-layout {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 42px;
  }

  .doc-index {
    position: static;
    display: flex;
    gap: 5px;
    margin: 0 -2px;
    overflow-x: auto;
    padding: 2px 2px 8px;
    scrollbar-width: none;
  }

  .doc-index::-webkit-scrollbar {
    display: none;
  }

  .doc-index > span {
    display: none;
  }

  .doc-index a {
    flex: 0 0 auto;
    padding: 8px 11px;
    border: 1px solid var(--doc-line);
    border-radius: 999px;
    background: var(--doc-panel);
    font-size: 0.67rem;
  }

  .doc-index a::before {
    display: none;
  }

  .doc-section {
    padding-bottom: 44px;
  }

  .doc-section + .doc-section {
    padding-top: 44px;
  }

  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .evidence-card {
    min-height: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 34px 0;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .footer-meta {
    text-align: left;
  }

  .footer-source {
    margin-left: 0;
  }

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

@media (max-width: 520px) {
  .doc-shell .site-nav {
    top: 7px;
    width: calc(100% - 14px);
    margin-top: 7px;
    border-radius: 19px;
  }

  .doc-shell .site-nav .nav-inner {
    padding: 8px;
    gap: 8px;
  }

  .doc-shell .nav-logo {
    min-width: 0;
    gap: 8px;
  }

  .brand-orbit {
    width: 35px;
    height: 35px;
    flex-basis: 35px;
  }

  .brand-orbit::before {
    width: 23px;
    height: 23px;
  }

  .brand-copy small,
  .language-link {
    display: none;
  }

  .doc-shell .nav-links a {
    padding: 7px 9px;
    font-size: 0.66rem;
  }

  .doc-main,
  .footer-inner {
    width: calc(100% - 24px);
  }

  .doc-main {
    padding-top: 40px;
  }

  .doc-hero h1 {
    max-width: none;
  }

  .doc-lede {
    font-size: 0.95rem;
  }

  .signal-node {
    grid-template-columns: 48px minmax(0, 1fr);
    padding: 14px;
  }

  .signal-node + .signal-node::before {
    left: 34px;
  }

  .evidence-card,
  .doc-callout {
    padding: 19px;
  }

  .doc-callout {
    padding-left: 23px;
  }

  .protocol-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .route-grid {
    grid-template-columns: 1fr 1fr;
  }
}