:root {
  --bg: #f4f8f6; --text: #11231a; --muted: #587064; --accent: #128c4a; --card: #fff; --border: rgba(20, 50, 35, .12);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0a1210; --text: #e9f5ef; --muted: #94ab9f; --accent: #25c46b; --card: #111c18; --border: rgba(255, 255, 255, .1); }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 16px 64px; }
a { color: var(--accent); }
.hero { text-align: center; display: grid; gap: 14px; justify-items: center; padding: 32px 0; }
.hero img { width: 88px; height: 88px; }
.hero h1 { margin: 0; font-size: clamp(30px, 6vw, 44px); letter-spacing: -.02em; }
.hero p { margin: 0; color: var(--muted); max-width: 520px; }
.badges { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.badge { padding: 10px 18px; border-radius: 12px; background: var(--card); border: 1px solid var(--border); font-weight: 600; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 22px; margin-top: 18px; }
.card h2 { margin-top: 0; font-size: 20px; }
footer { text-align: center; color: var(--muted); font-size: 14px; margin-top: 36px; }
.doc h1 { font-size: 30px; margin: 0 0 4px; }
.doc h2 { font-size: 19px; margin: 26px 0 6px; }
.doc .muted { color: var(--muted); }