:root {
  --bg: #f6f3ec;
  --fg: #181a1e;
  --muted: #68645d;
  --card: #fffdf9;
  --border: #d8d3c8;
  --accent: #ff6b3d;
  --accent-fg: #ffffff;
  --accent-soft: #ffe4d8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --fg: #f4f1ea;
    --muted: #bdb8af;
    --card: #1a1c20;
    --border: #3b3d42;
    --accent: #ff895f;
    --accent-fg: #3d1003;
    --accent-soft: #5a1d0a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 24px 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 600;
}
nav a { color: var(--muted); }
nav a.active { color: var(--accent); }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 44px;
  margin: 0 0 8px;
}
.tag { color: var(--muted); font-size: 17px; margin: 0 0 36px; }
.hero { text-align: center; margin-bottom: 8px; }
.logo { width: 88px; height: 88px; margin-bottom: 14px; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-top: 4px;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 15px;
}
.btn.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 44px 0 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 12px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 13px;
}
.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  margin-left: 8px;
}
footer {
  margin-top: 56px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}