/* ============================================================
   DECODE LAB — CET Option Strategy (Unified)
   Theme: 深夜蓝 × 薄荷 (CET-4) / 琥珀 (CET-6) / 紫 (对比) / 灰 (方法论)
   Fonts: Fraunces (display) / IBM Plex Sans (body) / JetBrains Mono (data)
   ============================================================ */

:root {
  /* Core */
  --bg: #0a0e1a;
  --bg-2: #0f1424;
  --bg-3: #161b2e;
  --ink: #f4f1e8;
  --ink-2: #b8b3a0;
  --ink-3: #6b6a60;
  --line: rgba(244, 241, 232, 0.08);
  --line-2: rgba(244, 241, 232, 0.16);

  /* Theme colors (override per body class) */
  --accent: #f4a261;
  --accent-2: #e76f51;
  --accent-bg: rgba(244, 162, 97, 0.12);
  --accent-glow: rgba(244, 162, 97, 0.3);
  --accent-fade: rgba(244, 162, 97, 0.05);

  --crimson: #e76f51;
  --slate: #64748b;

  --gap-1: 4px; --gap-2: 8px; --gap-3: 12px; --gap-4: 16px;
  --gap-5: 24px; --gap-6: 32px; --gap-7: 48px; --gap-8: 64px; --gap-9: 96px;
}

body.theme-cet4 {
  --accent: #2a9d8f;
  --accent-2: #52b788;
  --accent-bg: rgba(42, 157, 143, 0.12);
  --accent-glow: rgba(42, 157, 143, 0.3);
  --accent-fade: rgba(42, 157, 143, 0.05);
}
body.theme-cet6 {
  --accent: #f4a261;
  --accent-2: #e76f51;
  --accent-bg: rgba(244, 162, 97, 0.12);
  --accent-glow: rgba(244, 162, 97, 0.3);
  --accent-fade: rgba(244, 162, 97, 0.05);
}
body.theme-compare {
  --accent: #a78bfa;
  --accent-2: #c4b5fd;
  --accent-bg: rgba(167, 139, 250, 0.12);
  --accent-glow: rgba(167, 139, 250, 0.3);
  --accent-fade: rgba(167, 139, 250, 0.05);
}
body.theme-method {
  --accent: #94a3b8;
  --accent-2: #cbd5e1;
  --accent-bg: rgba(148, 163, 184, 0.10);
  --accent-glow: rgba(148, 163, 184, 0.3);
  --accent-fade: rgba(148, 163, 184, 0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 140px; }
html, body { max-width: 100%; overflow-x: clip; }
body { overflow-x: clip; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  transition: background 0.5s, color 0.3s;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, var(--accent-fade), transparent 50%),
    radial-gradient(ellipse 80% 50% at 80% 100%, var(--accent-fade), transparent 50%),
    var(--bg);
  z-index: -2;
  transition: background 0.5s;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 241, 232, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 232, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: -1;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
code { font-family: 'JetBrains Mono', monospace; font-size: 0.9em; }
em { font-style: italic; }
.hl { color: var(--accent-2); font-weight: 700; }
.hl-amber { color: #f4a261; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gap-5);
  min-width: 0;
}
/* 让锚点跳转停在 sticky tabbar 之下 */
.container[data-section], #truth { scroll-margin-top: 140px; }

/* ============== TOP NAV ============== */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 14, 26, 0.7);
  border-bottom: 1px solid var(--line);
}
.topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--gap-4);
  padding-bottom: var(--gap-4);
}
.topnav-brand {
  display: flex;
  align-items: center;
  gap: var(--gap-3);
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.brand-mark {
  color: var(--accent);
  font-size: 22px;
  display: inline-block;
  transition: transform 0.6s, color 0.5s;
}
.topnav-brand:hover .brand-mark { transform: rotate(180deg); }
.brand-dot { color: var(--accent); transition: color 0.5s; }
.topnav-links {
  display: flex;
  gap: var(--gap-5);
  font-size: 14px;
  font-weight: 500;
  min-width: 0;
  flex-wrap: nowrap;
}
.topnav-links a {
  color: var(--ink-2);
  transition: color 0.2s;
}
.topnav-links a:hover { color: var(--accent); }

.topnav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.topnav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
}

/* ============== LANG TOGGLE ============== */
.lang-toggle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  background: rgba(244, 241, 232, 0.04);
  transition: all 0.25s;
}
.lang-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-bg);
  transform: translateY(-1px);
}
.lang-toggle:active { transform: translateY(0); }

@media (max-width: 768px) {
  .topnav-burger { display: flex; }
  .topnav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-2);
    flex-direction: column;
    padding: var(--gap-5);
    gap: var(--gap-4);
    border-bottom: 1px solid var(--line);
    transform: translateY(-100%);
    opacity: 0;
    transition: 0.3s;
    pointer-events: none;
  }
  .topnav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .panel-claim-num { font-size: 64px; min-width: 4ch; }
  .panel-claim-unit { font-size: 28px; }
  .panel-claim { gap: 4px; }
  .panel-claim-label { font-size: 12px; }
  .hero { padding: 80px 0 40px; }
  .panel-hero { padding: 0; }
  .hero-lead { font-size: 16px; }
  .hm-pill { font-size: 12px; padding: 6px 12px; }
  .topnav-brand { font-size: 16px; }
}
@media (max-width: 480px) {
  .panel-claim-num { font-size: 52px; }
  .panel-claim-unit { font-size: 22px; }
  .container { padding: 0 16px; }
  .hero-title { font-size: clamp(36px, 14vw, 80px); }
  .hm-val { font-size: 12px; }
}

/* ============== HERO ============== */
.hero {
  padding: var(--gap-9) 0 var(--gap-8);
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-3);
  padding: var(--gap-2) var(--gap-4);
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.1em;
  margin-bottom: var(--gap-6);
  opacity: 0;
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}
.dot-live {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
  transition: background 0.5s, box-shadow 0.5s;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: clamp(48px, 12vw, 180px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  margin-bottom: var(--gap-5);
  opacity: 0;
  overflow-wrap: break-word;
  word-break: normal;
  max-width: 100%;
}
.hero-italic {
  font-style: italic;
  background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background 0.5s;
}
.hero-the {
  font-size: 0.4em;
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  letter-spacing: 0;
  display: inline-block;
  margin: 8px 0;
  transition: color 0.5s;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 720px;
  margin: 0 auto var(--gap-7);
  opacity: 0;
  overflow-wrap: break-word;
}
.hero-lead strong { color: var(--accent); font-weight: 600; transition: color 0.5s; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap-3);
  opacity: 0;
}
.hm-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-2);
  padding: var(--gap-2) var(--gap-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  min-width: 0;
  max-width: 100%;
  white-space: nowrap;
}
.hm-key {
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hm-val {
  color: var(--ink);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

/* ============== TAB BAR ============== */
.tabbar-wrap {
  position: sticky;
  top: 64px;
  z-index: 50;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  padding: var(--gap-4) 0;
}
.tabbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-3);
  min-width: 0;
}

@media (max-width: 768px) {
  .tabbar { grid-template-columns: repeat(2, 1fr); }
  .tabbar-wrap { top: 60px; }
}

.tab {
  display: flex;
  align-items: center;
  gap: var(--gap-3);
  padding: var(--gap-3) var(--gap-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: 0.3s;
  text-align: left;
  position: relative;
  overflow: hidden;
  min-width: 0;
}
.tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-bg);
  opacity: 0;
  transition: opacity 0.3s;
}
.tab:hover {
  border-color: var(--line-2);
  transform: translateY(-1px);
}
.tab:hover::before { opacity: 0.5; }
.tab.active {
  border-color: var(--accent);
  background: var(--bg-3);
  box-shadow: 0 0 0 1px var(--accent), 0 0 24px -8px var(--accent-glow);
}
.tab.active::before { opacity: 1; }
.tab > * { position: relative; z-index: 1; }
.tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
  transition: background 0.5s, box-shadow 0.5s;
}
.tab-cet4 .tab-dot { background: #2a9d8f; box-shadow: 0 0 8px #2a9d8f; }
.tab-cet6 .tab-dot { background: #f4a261; box-shadow: 0 0 8px #f4a261; }
.tab-compare .tab-dot { background: #a78bfa; box-shadow: 0 0 8px #a78bfa; }
.tab-method .tab-dot { background: #94a3b8; box-shadow: 0 0 8px #94a3b8; }
.tab-name {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.tab-meta {
  font-size: 11px;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  margin-left: auto;
}

/* ============== TAB PANELS ============== */
.tab-panels { position: relative; }
.tab-panel {
  display: none;
  padding-bottom: var(--gap-8);
}
.tab-panel.active {
  display: block;
  animation: panelIn 0.5s ease;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.container + .container { margin-top: var(--gap-7); }

/* ============== PANEL HERO ============== */
.panel-hero {
  text-align: center;
  padding: var(--gap-7) 0 var(--gap-5);
  border-bottom: 1px dashed var(--line);
  margin-bottom: var(--gap-6);
}
.panel-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 4px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  color: var(--ink-2);
  margin-bottom: var(--gap-4);
}
.panel-tag-amber { color: #f4a261; border-color: rgba(244, 162, 97, 0.4); }
.panel-tag-compare { color: #a78bfa; border-color: rgba(167, 139, 250, 0.4); }
.panel-tag-method { color: #94a3b8; border-color: rgba(148, 163, 184, 0.4); }

.panel-title {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--gap-5);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.panel-title em {
  font-weight: 400;
  color: var(--ink-2);
  font-size: 0.7em;
}

.panel-claim {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: var(--gap-3);
  font-family: 'Fraunces', serif;
  font-weight: 900;
  line-height: 1;
}
.panel-claim-num {
  font-size: 96px;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background 0.5s;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 5ch;
  text-align: right;
}
.panel-claim-unit {
  font-size: 36px;
  color: var(--ink-2);
}
.panel-claim-label {
  font-size: 14px;
  color: var(--ink-2);
  text-align: left;
  margin-left: var(--gap-3);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  line-height: 1.4;
}
.panel-claim-sub {
  font-size: 16px;
  color: var(--ink-2);
  font-family: 'JetBrains Mono', monospace;
}

/* ============== STATS ROW ============== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--gap-3);
  padding: var(--gap-4);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  margin-bottom: var(--gap-7);
}
@media (max-width: 1024px) { .stats-row { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px)  { .stats-row { grid-template-columns: repeat(2, 1fr); } }
.stat-box {
  text-align: center;
  padding: var(--gap-3) var(--gap-2);
  background: var(--bg-3);
  border-radius: 10px;
  border: 1px solid var(--line);
}
.stat-num {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-bottom: var(--gap-1);
  transition: color 0.5s;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 4ch;
  text-align: center;
}
.stat-key {
  font-size: 11px;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}

/* ============== SECTIONS ============== */
.section-num {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-3);
  transition: color 0.5s;
}
.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--gap-4);
}
.section-title {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--gap-6);
  max-width: 800px;
}
.section-title em {
  font-weight: 400;
  color: var(--ink-2);
  font-size: 0.65em;
  display: block;
  margin-top: var(--gap-2);
}

/* ============== ERA GRID ============== */
.era-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-4);
  margin-bottom: var(--gap-7);
}
.era-card {
  padding: var(--gap-5);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: 0.3s;
}
.era-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px -8px var(--accent-glow);
}
.era-name {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: var(--gap-2);
  letter-spacing: -0.01em;
}
.era-range {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: var(--gap-3);
  letter-spacing: 0.05em;
  transition: color 0.5s;
}
.era-desc {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  margin-bottom: var(--gap-3);
}
.era-stats {
  display: flex;
  gap: var(--gap-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
  padding-top: var(--gap-3);
}
.era-stats strong { color: var(--ink); font-weight: 600; }

/* ============== MODELS LIST ============== */
.models-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-3);
  margin-bottom: var(--gap-7);
}
.model-row {
  display: grid;
  grid-template-columns: 100px 1fr 120px 100px;
  gap: var(--gap-4);
  align-items: center;
  padding: var(--gap-4) var(--gap-5);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: 0.3s;
}
.model-row:hover { border-color: var(--line-2); }
.model-row.passed { border-left: 3px solid var(--accent); padding-left: calc(var(--gap-5) - 3px); }
.model-row.failed { opacity: 0.6; }
.model-row.failed .model-auc { color: var(--ink-3); }
.model-ver {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: color 0.5s;
}
.model-name {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  min-width: 0;
  overflow-wrap: anywhere;
}
.model-name small {
  display: block;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-3);
  margin-top: 2px;
  letter-spacing: 0;
}
.model-auc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}
.model-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 100px;
  text-align: center;
  letter-spacing: 0.1em;
}
.model-tag.pass { background: var(--accent-bg); color: var(--accent-2); }
.model-tag.fail { background: rgba(231, 111, 81, 0.1); color: var(--crimson); }

@media (max-width: 768px) {
  .model-row { grid-template-columns: 1fr; gap: var(--gap-2); }
  .model-auc, .model-tag { text-align: left; }
}

/* ============== RULES LIST ============== */
.rules-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-3);
  margin-bottom: var(--gap-7);
}
.rule-card {
  padding: var(--gap-4);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: 0.3s;
  position: relative;
}
.rule-card.effective { border-left: 3px solid var(--accent); padding-left: calc(var(--gap-4) - 3px); }
.rule-card.effective::after {
  content: '✓';
  position: absolute;
  top: var(--gap-3);
  right: var(--gap-3);
  color: var(--accent-2);
  font-size: 16px;
  font-weight: 700;
}
.rule-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-bottom: var(--gap-2);
}
.rule-name {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: var(--gap-2);
  overflow-wrap: anywhere;
  min-width: 0;
}
.rule-rate {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  transition: color 0.5s;
}
.rule-rate small { color: var(--ink-3); font-weight: 400; }

/* ============== AUDIT LIST ============== */
.audit-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap-3);
  margin-bottom: var(--gap-7);
}
.audit-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: var(--gap-4);
  align-items: start;
  padding: var(--gap-5);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  transition: 0.3s;
}
.audit-item:hover { background: var(--bg-3); }
.audit-item.severity-high { border-left-color: var(--crimson); }
.audit-item.severity-mid { border-left-color: var(--amber, #f4a261); }
.audit-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  transition: color 0.5s;
}
.audit-title {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: var(--gap-2);
}
.audit-body {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  overflow-wrap: anywhere;
  word-break: break-word;
  min-width: 0;
}
.audit-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.audit-badge.severity-high { background: rgba(231, 111, 81, 0.15); color: var(--crimson); }
.audit-badge.severity-mid { background: rgba(244, 162, 97, 0.15); color: #f4a261; }
.audit-badge.severity-low { background: rgba(42, 157, 143, 0.15); color: #2a9d8f; }

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

/* ============== FIGURES GRID ============== */
.figs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--gap-4);
  margin-bottom: var(--gap-7);
}
.fig-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: 0.3s;
}
.fig-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.fig-card img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg-3);
}
.fig-caption {
  padding: var(--gap-3) var(--gap-4);
  font-size: 13px;
  color: var(--ink-2);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: var(--gap-2);
}
.fig-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-bg);
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.5s;
}
.figs-note {
  grid-column: 1 / -1;
  padding: var(--gap-4);
  background: var(--bg-2);
  border: 1px dashed var(--line-2);
  border-radius: 12px;
  color: var(--ink-2);
  font-size: 14px;
  text-align: center;
}

/* ============== CODE TREE ============== */
.code-tree {
  margin-bottom: var(--gap-7);
}
.code-tree pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: var(--gap-5);
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}
.ct-folder { color: var(--accent); transition: color 0.5s; }
.ct-comment { color: var(--ink-3); font-style: italic; }

/* ============== COMPARE TABLE ============== */
.cmp-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--line-2);
  margin-bottom: var(--gap-7);
}
.cmp {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--bg);
}
.cmp th, .cmp td {
  padding: var(--gap-4) var(--gap-5);
  text-align: left;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
  min-width: 0;
}
.cmp td { font-size: 13px; color: var(--ink-2); }
@media (max-width: 768px) { .cmp { font-size: 12px; } .cmp th, .cmp td { padding: 10px 12px; } }
.cmp th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--bg-2);
  font-weight: 500;
}
.cmp-cet4-h { color: #2a9d8f; }
.cmp-cet6-h { color: #f4a261; }
.cmp td { color: var(--ink-2); }
.cmp tbody tr:hover { background: var(--bg-2); }
.cmp tbody tr:last-child td { border-bottom: 0; }
.cmp strong { color: var(--ink); font-weight: 700; }
.cmp .hl { color: #2a9d8f; font-weight: 700; }
.cmp .hl-amber { color: #f4a261; font-weight: 700; }

/* ============== METHOD GRID ============== */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-4);
  margin-bottom: var(--gap-7);
}
@media (max-width: 900px) { .method-grid { grid-template-columns: 1fr; } }
.method-step {
  padding: var(--gap-5);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: 0.3s;
}
.method-step:hover { border-color: var(--accent); transform: translateY(-2px); }
.method-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-3);
  transition: color 0.5s;
}
.method-name {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 24px;
  margin-bottom: var(--gap-3);
  letter-spacing: -0.02em;
}
.method-step p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* ============== TRUTH CARD ============== */
.truth-card {
  position: relative;
  padding: var(--gap-7) var(--gap-7) var(--gap-6);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 24px;
  max-width: 900px;
  margin: 0 auto;
  margin-bottom: var(--gap-7);
}
.truth-quote {
  position: absolute;
  top: -20px;
  left: 40px;
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 200px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.2;
  transition: color 0.5s;
}
.truth-body {
  position: relative;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: var(--gap-4);
}
.truth-body strong { color: var(--accent); font-weight: 600; transition: color 0.5s; }
.truth-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-2);
  margin-top: var(--gap-5);
}
.tm-pill {
  padding: 4px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

/* ============== FOOTER ============== */
.footer {
  border-top: 1px solid var(--line);
  padding: var(--gap-7) 0 var(--gap-5);
  margin-top: var(--gap-8);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-7);
  margin-bottom: var(--gap-6);
  padding-bottom: var(--gap-5);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 768px) { .footer-top { grid-template-columns: 1fr; gap: var(--gap-4); } }
.footer-logo {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 32px;
  letter-spacing: -0.04em;
  margin-bottom: var(--gap-2);
}
.footer-sub { font-size: 14px; color: var(--ink-2); }
.footer-meta { display: flex; flex-direction: column; gap: var(--gap-2); }
.fm-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--gap-2) 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.fm-key {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.fm-val { font-family: 'JetBrains Mono', monospace; color: var(--ink); }
.fm-val-accent { color: var(--accent); font-weight: 600; transition: color 0.5s; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-3);
  font-size: 13px;
  color: var(--ink-3);
  align-items: center;
}

/* ============== REVEAL ANIMATION ============== */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}
[data-reveal].in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}