:root{--bg:#f7f6f2;--fg:#1f2421;--muted:#5d6560;--line:#dedbd2;--accent:#3d6b57;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#151816;--fg:#e8e9e4;--muted:#9aa29c;--line:#2a2f2c;--accent:#7fb89b;--card:#1c201e}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent)}.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;text-decoration:none;color:var(--fg)}.brand img{width:26px;height:26px}
nav a{margin-left:20px;text-decoration:none;color:var(--muted);font-size:15px}nav a:hover{color:var(--fg)}
.hero{padding:72px 0 48px}.hero h1{font-size:clamp(30px,5vw,44px);line-height:1.15;margin:0 0 16px;letter-spacing:-.01em}
.hero p{font-size:18px;color:var(--muted);max-width:620px;margin:0 0 28px}
.pill{display:inline-block;font-size:13px;padding:3px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);margin-bottom:18px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 20px;border-radius:8px;text-decoration:none;font-weight:500}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;padding:16px 0 64px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:15px}
.doc{padding:48px 0 72px;max-width:680px}.doc h1{font-size:32px;margin:0 0 8px}.doc h2{font-size:19px;margin:32px 0 6px}.doc p,.doc li{color:var(--muted)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:24px 20px}
footer a{color:var(--muted)}