:root {
  --bg: #faf9f7;
  --surface: #f3f1ee;
  --border: #dedad4;
  --accent: #b5620a;
  --green: #2d7a4f;
  --text: #1a1612;
  --muted: #7a6f62;
  --dim: #b0a898;
}

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

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('fonts/dm-sans-400.woff2') format('woff2');
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(250, 249, 247, 0.94);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:hover { color: var(--text); }

main {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.hero { padding: 56px 0 32px; }

.updated-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(181, 98, 10, 0.08);
  border: 1px solid rgba(181, 98, 10, 0.2);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-family: 'DM Mono', monospace;
  margin-bottom: 16px;
}

.updated-badge::before {
  content: '●';
  font-size: 8px;
  color: var(--green);
}

.site-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.prose {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

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

h2 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 16px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  margin: 24px 0;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.guide-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 16px 0;
  color: var(--muted);
  font-size: 13px;
}

.guide-table th,
.guide-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.guide-table th {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.02);
}

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

.guide-table tr:hover td { background: rgba(181, 98, 10, 0.05); }

.rank {
  font-family: 'DM Mono', monospace;
  color: var(--dim);
  width: 32px;
}

.model-name { font-weight: 600; }

.cta-box {
  margin: 40px 0;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}

.cta-box a {
  display: inline-block;
  margin-top: 12px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
}

.cta-box a:hover { opacity: 0.92; }

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.guide-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.guide-card:hover {
  border-color: rgba(181, 98, 10, 0.35);
  box-shadow: 0 4px 16px rgba(181, 98, 10, 0.06);
}

.guide-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.compare-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.compare-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  margin-bottom: 12px;
}

.compare-card dl {
  font-size: 13px;
}

.compare-card dt {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

.compare-card dd {
  font-family: 'DM Mono', monospace;
  margin: 2px 0 0;
}

details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--surface);
}

summary {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}

details p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px 24px;
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

footer a { color: var(--muted); text-decoration: none; margin: 0 8px; }
footer a:hover { color: var(--text); }

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.breadcrumb a { color: var(--accent); text-decoration: none; }

@media (max-width: 700px) {
  nav { padding: 0 16px; }
  .nav-links a:not(:first-child):not(:last-child) { display: none; }
  .compare-grid { grid-template-columns: 1fr; }
}