:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --text: #1b1e23;
  --muted: #5f636a;
  --line: #e2ddd4;
  --accent: #b5650f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f12;
    --surface: #171a1f;
    --text: #f3efe7;
    --muted: #a3a8b1;
    --line: #2a2f37;
    --accent: #f2a13b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.lang { text-align: right; font-size: 14px; margin: 0 0 24px; }
.hero { text-align: center; padding: 16px 0 8px; }
.hero img { width: 112px; height: 112px; border-radius: 25px; display: block; margin: 0 auto 20px; }
.hero h1 { font-size: 40px; letter-spacing: -0.02em; margin: 0; }
.tagline { color: var(--accent); font-weight: 600; font-size: 18px; margin: 4px 0 16px; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 0 auto; }
.status {
  display: inline-block;
  margin-top: 20px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--muted);
}
.features { display: grid; gap: 12px; margin: 40px 0; padding: 0; list-style: none; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.features strong { display: block; margin-bottom: 2px; }
.features span { color: var(--muted); }
footer { border-top: 1px solid var(--line); padding-top: 20px; font-size: 15px; color: var(--muted); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 8px; }
.doc h1 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 4px; }
.doc .meta { color: var(--muted); margin: 0 0 24px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc .summary { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.back { display: inline-block; margin-bottom: 20px; }