/* =========================================
   Geneclaw.ai — Main Stylesheet
   Design: Minimal Engineering, Dark-first
   ========================================= */

:root {
  --brand-primary: #00d4aa;
  --brand-secondary: #7c3aed;
  --brand-accent: #f59e0b;
  --bg-dark: #0a0e1a;
  --bg-dark-2: #111827;
  --bg-dark-3: #1f2937;
  --bg-light: #f9fafb;
  --bg-light-2: #f3f4f6;
  --text-dark: #f9fafb;
  --text-dark-muted: #9ca3af;
  --text-light: #111827;
  --text-light-muted: #6b7280;
  --border-dark: #1f2937;
  --border-light: #e5e7eb;
  --code-bg: #0d1117;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
  --max-w: 1200px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
}

/* Light mode overrides */
[data-theme="light"] {
  --bg-dark: #ffffff;
  --bg-dark-2: #f9fafb;
  --bg-dark-3: #f3f4f6;
  --text-dark: #111827;
  --text-dark-muted: #6b7280;
  --border-dark: #e5e7eb;
  --code-bg: #1e1e2e;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-dark);
  line-height: 1.7;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ─── Typography ─────────────────────────── */
h1,h2,h3,h4,h5,h6 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p { color: var(--text-dark-muted); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--brand-primary); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }

code, kbd {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-dark-3);
  padding: 0.2em 0.45em;
  border-radius: var(--radius-sm);
  color: var(--brand-primary);
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

pre code {
  background: none;
  padding: 0;
  color: #e2e8f0;
}

.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--bg-dark-3);
  border: 1px solid var(--border-dark);
  color: var(--text-dark-muted);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.copy-btn:hover { background: var(--brand-primary); color: #000; border-color: var(--brand-primary); }
.copy-btn.copied { background: #10b981; color: #fff; border-color: #10b981; }

ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; color: var(--text-dark-muted); }

strong { color: var(--text-dark); font-weight: 600; }

blockquote {
  border-left: 3px solid var(--brand-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--bg-dark-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-dark-muted);
}

hr { border: none; border-top: 1px solid var(--border-dark); margin: 2rem 0; }

/* ─── Layout ─────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }
}

/* ─── Header / Nav ───────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  transition: background var(--transition);
}

[data-theme="light"] .site-header {
  background: rgba(255,255,255,0.9);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-dark) !important;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-logo .brand-primary { color: var(--brand-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--text-dark-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-dark);
  background: var(--bg-dark-3);
  opacity: 1;
}

.nav-links .external-link::after {
  content: ' ↗';
  font-size: 0.7em;
  opacity: 0.6;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-dark);
  color: var(--text-dark-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}

.theme-toggle:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

.nav-github {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-dark-3);
  border: 1px solid var(--border-dark);
  color: var(--text-dark) !important;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  opacity: 1 !important;
}

.nav-github:hover { border-color: var(--brand-primary); background: var(--brand-primary); color: #000 !important; }

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-dark);
  color: var(--text-dark);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg-dark-2);
  border-bottom: 1px solid var(--border-dark);
  padding: 1rem 1.5rem;
  z-index: 99;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-dark-muted);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition);
}
.mobile-nav a:hover { background: var(--bg-dark-3); color: var(--text-dark); opacity: 1; }

/* ─── Buttons ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-primary);
  color: #000;
}
.btn-primary:hover { background: #00bfa3; opacity: 1; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,212,170,0.3); }

.btn-secondary {
  background: var(--bg-dark-3);
  color: var(--text-dark);
  border: 1px solid var(--border-dark);
}
.btn-secondary:hover { border-color: var(--brand-primary); color: var(--brand-primary); opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary);
}
.btn-outline:hover { background: var(--brand-primary); color: #000; opacity: 1; }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ─── Badge / Tag ────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-primary { background: rgba(0,212,170,0.15); color: var(--brand-primary); border: 1px solid rgba(0,212,170,0.3); }
.badge-purple { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }
.badge-amber { background: rgba(245,158,11,0.15); color: var(--brand-accent); border: 1px solid rgba(245,158,11,0.3); }
.badge-red { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }

/* ─── Cards ──────────────────────────────── */
.card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,170,0.1);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card-icon-primary { background: rgba(0,212,170,0.15); }
.card-icon-purple { background: rgba(124,58,237,0.15); }
.card-icon-amber { background: rgba(245,158,11,0.15); }
.card-icon-blue { background: rgba(59,130,246,0.15); }
.card-icon-red { background: rgba(239,68,68,0.15); }

.card h3 { color: var(--text-dark); margin-bottom: 0.5rem; font-size: 1.05rem; }
.card p { font-size: 0.9rem; margin-bottom: 0; }

/* ─── Hero ───────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0,212,170,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(124,58,237,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 4rem 0;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dark-muted);
  margin-bottom: 1.5rem;
}

.hero-label .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 { color: var(--text-dark); margin-bottom: 1.25rem; }
.hero h1 em { font-style: normal; color: var(--brand-primary); }

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-dark-muted);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-code {
  background: var(--code-bg);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: #e2e8f0;
  max-width: 100%;
}

.hero-code .prompt { color: var(--brand-primary); user-select: none; }
.hero-code .cmd { color: #e2e8f0; }
.hero-code .copy-inline {
  margin-left: auto;
  background: var(--bg-dark-3);
  border: 1px solid var(--border-dark);
  color: var(--text-dark-muted);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.hero-code .copy-inline:hover { background: var(--brand-primary); color: #000; border-color: var(--brand-primary); }

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat strong { display: block; font-size: 1.5rem; color: var(--text-dark); }
.hero-stat span { font-size: 0.8rem; color: var(--text-dark-muted); }

/* ─── Section Headers ────────────────────── */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { color: var(--text-dark); margin-bottom: 1rem; }
.section-header p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.section-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-primary);
}

/* ─── Features ───────────────────────────── */
.feature-highlight {
  background: linear-gradient(135deg, rgba(0,212,170,0.05), rgba(124,58,237,0.05));
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 1.5rem 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.feature-highlight .fi-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* ─── Architecture Diagram ───────────────── */
.arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 2rem;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.arch-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem 1.25rem;
  background: var(--bg-dark-3);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  min-width: 110px;
  transition: all var(--transition);
}

.arch-step:hover { border-color: var(--brand-primary); }
.arch-step .step-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.arch-step .step-name { font-size: 0.8rem; font-weight: 700; color: var(--text-dark); letter-spacing: 0.02em; }
.arch-step .step-sub { font-size: 0.7rem; color: var(--text-dark-muted); margin-top: 0.2rem; }

.arch-arrow {
  font-size: 1.2rem;
  color: var(--brand-primary);
  padding: 0 0.25rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .arch-flow { flex-direction: column; }
  .arch-arrow { transform: rotate(90deg); }
}

/* ─── Comparison Table ───────────────────── */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  font-size: 0.9rem;
}

.compare-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--text-dark);
  background: var(--bg-dark-3);
}

.compare-table th:nth-child(3) { background: rgba(0,212,170,0.1); }

.compare-table td {
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--border-dark);
  color: var(--text-dark-muted);
}

.compare-table td:first-child { font-weight: 500; color: var(--text-dark); }
.compare-table td:nth-child(3) { background: rgba(0,212,170,0.04); color: var(--text-dark); }

.check { color: #10b981; font-weight: 700; }
.cross { color: #f87171; }

/* ─── Safety Section ─────────────────────── */
.safety-banner {
  background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(0,212,170,0.04));
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}

.safety-banner .banner-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 0.5rem;
}

.safety-banner .banner-text { color: var(--text-dark-muted); font-size: 0.9rem; margin-bottom: 0; }

.gatekeeper-layers {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gate-layer {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.gate-layer:hover { border-color: var(--brand-primary); }
.gate-num { width: 28px; height: 28px; border-radius: 50%; background: var(--brand-primary); color: #000; font-size: 0.75rem; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.gate-info strong { display: block; color: var(--text-dark); font-size: 0.9rem; margin-bottom: 0.2rem; }
.gate-info span { font-size: 0.82rem; color: var(--text-dark-muted); }

/* ─── CLI Reference ──────────────────────── */
.cli-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-dark);
}

.cli-table th {
  padding: 0.9rem 1.25rem;
  text-align: left;
  background: var(--bg-dark-3);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  border-bottom: 1px solid var(--border-dark);
}

.cli-table td {
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.875rem;
  vertical-align: top;
}

.cli-table td:first-child { font-family: var(--font-mono); color: var(--brand-primary); }
.cli-table td:nth-child(2) { color: var(--text-dark); font-weight: 500; white-space: nowrap; }
.cli-table td:last-child { color: var(--text-dark-muted); }

/* ─── FAQ ────────────────────────────────── */
.faq-item {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: rgba(0,212,170,0.4); }

.faq-question {
  width: 100%;
  background: var(--bg-dark-2);
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background var(--transition);
  font-family: var(--font-sans);
}
.faq-question:hover { background: var(--bg-dark-3); }
.faq-chevron { color: var(--brand-primary); font-size: 1rem; transition: transform 0.25s ease; flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 1.5rem 1.25rem; background: var(--bg-dark-2); }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { font-size: 0.9rem; margin-bottom: 0; }

/* ─── Tabs ───────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.6rem 1.2rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dark-muted);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  margin-bottom: -1px;
  font-family: var(--font-sans);
}
.tab-btn:hover { color: var(--text-dark); }
.tab-btn.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Blog / Changelog ───────────────────── */
.post-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  display: block;
  color: inherit !important;
  opacity: 1 !important;
}
.post-card:hover { border-color: var(--brand-primary); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,212,170,0.1); }
.post-card .post-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.post-card .post-date { font-size: 0.8rem; color: var(--text-dark-muted); }
.post-card h2, .post-card h3 { color: var(--text-dark); margin-bottom: 0.5rem; font-size: 1.15rem; }
.post-card p { font-size: 0.9rem; margin-bottom: 1rem; }
.post-card .read-more { font-size: 0.85rem; color: var(--brand-primary); font-weight: 600; }

.changelog-entry { margin-bottom: 3rem; }
.changelog-entry h2 { color: var(--text-dark); margin-bottom: 0.5rem; font-size: 1.4rem; }
.changelog-entry .version-meta { font-size: 0.8rem; color: var(--text-dark-muted); margin-bottom: 1.5rem; }
.changelog-section-title { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dark-muted); margin: 1.25rem 0 0.5rem; }

/* ─── Page: Docs Sidebar ─────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.docs-sidebar nav ul { list-style: none; padding: 0; }
.docs-sidebar nav li { margin-bottom: 0; }
.docs-sidebar nav a {
  display: block;
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-dark-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.docs-sidebar nav a:hover, .docs-sidebar nav a.active {
  background: var(--bg-dark-2);
  color: var(--brand-primary);
  opacity: 1;
}
.docs-sidebar nav .sidebar-group { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dark-muted); padding: 1rem 0.75rem 0.35rem; }

@media (max-width: 768px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; max-height: none; }
}

/* ─── Breadcrumb ─────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dark-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--brand-primary); opacity: 1; }
.breadcrumb .sep { color: var(--text-dark-muted); opacity: 0.4; }
.breadcrumb .current { color: var(--text-dark-muted); }

/* ─── Footer ─────────────────────────────── */
.site-footer {
  background: var(--bg-dark-2);
  border-top: 1px solid var(--border-dark);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

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

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p { font-size: 0.85rem; color: var(--text-dark-muted); margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dark-muted); margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 0; }
.footer-col a { color: var(--text-dark-muted); font-size: 0.875rem; padding: 0.2rem 0; display: block; transition: color var(--transition); }
.footer-col a:hover { color: var(--brand-primary); opacity: 1; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p { font-size: 0.8rem; color: var(--text-dark-muted); margin: 0; }
.footer-bottom .footer-links { display: flex; gap: 1.5rem; }
.footer-bottom .footer-links a { font-size: 0.8rem; color: var(--text-dark-muted); }
.footer-bottom .footer-links a:hover { color: var(--brand-primary); opacity: 1; }

/* ─── Page Content ───────────────────────── */
.page-hero {
  padding: 7rem 0 4rem;
  text-align: center;
}
.page-hero h1 { color: var(--text-dark); margin-bottom: 1rem; }
.page-hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.page-content { padding: 3rem 0 6rem; }
.prose h2 { color: var(--text-dark); margin: 2.5rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--border-dark); }
.prose h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.prose h3 { color: var(--text-dark); margin: 2rem 0 0.75rem; }
.prose p { color: var(--text-dark-muted); margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin-bottom: 1.25rem; }
.prose li { color: var(--text-dark-muted); margin-bottom: 0.5rem; }
.prose pre { margin: 1.5rem 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.prose th { background: var(--bg-dark-3); padding: 0.75rem 1rem; text-align: left; font-weight: 700; color: var(--text-dark); border-bottom: 1px solid var(--border-dark); }
.prose td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-dark); color: var(--text-dark-muted); }

/* ─── Dashboard Preview ──────────────────── */
.dashboard-preview {
  background: var(--code-bg);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.dashboard-toolbar {
  background: var(--bg-dark-3);
  border-bottom: 1px solid var(--border-dark);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toolbar-dot { width: 12px; height: 12px; border-radius: 50%; }
.toolbar-dot-red { background: #ff5f57; }
.toolbar-dot-yellow { background: #febc2e; }
.toolbar-dot-green { background: #28c840; }
.toolbar-title { margin-left: 0.5rem; font-size: 0.75rem; color: var(--text-dark-muted); font-family: var(--font-mono); }

.dashboard-body { padding: 1.5rem; }
.db-row { display: flex; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.db-metric {
  flex: 1;
  min-width: 120px;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.db-metric .metric-label { font-size: 0.7rem; color: var(--text-dark-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.db-metric .metric-value { font-size: 1.5rem; font-weight: 700; color: var(--brand-primary); font-family: var(--font-mono); }
.db-metric .metric-sub { font-size: 0.7rem; color: var(--text-dark-muted); }

.event-log { font-family: var(--font-mono); font-size: 0.75rem; color: #a3e635; }
.event-log .log-line { margin-bottom: 0.35rem; }
.event-log .log-ts { color: var(--text-dark-muted); margin-right: 0.75rem; }
.event-log .log-level { margin-right: 0.5rem; }
.event-log .level-ok { color: #10b981; }
.event-log .level-gate { color: var(--brand-accent); }
.event-log .level-propose { color: #a78bfa; }
.event-log .level-apply { color: var(--brand-primary); }

/* ─── 404 ────────────────────────────────── */
.page-404 { min-height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-code { font-size: 8rem; font-weight: 900; color: var(--brand-primary); line-height: 1; opacity: 0.2; }
.error-content h1 { margin-top: -2rem; position: relative; }

/* ─── Utilities ──────────────────────────── */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ─── Animations ─────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in { animation: fadeInUp 0.5s ease both; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* ─── Scrollbar ──────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dark-muted); }

/* ─── Print ──────────────────────────────── */
@media print {
  .site-header, .site-footer, .nav-actions, .mobile-menu-btn { display: none; }
  .hero { min-height: auto; padding-top: 2rem; }
}