:root { --bg:#fbfbfd; --fg:#1d1d1f; --muted:#6e6e73; --card:#fff; --accent:#5264e6; --border:#e5e5ea; }
@media (prefers-color-scheme: dark) { :root { --bg:#000; --fg:#f5f5f7; --muted:#a1a1a6; --card:#1c1c1e; --accent:#7a88ff; --border:#2c2c2e; } }
* { box-sizing:border-box; }
body { margin:0; font:17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif; background:var(--bg); color:var(--fg); }
a { color:var(--accent); }
header, main, footer { max-width:760px; margin:0 auto; padding:0 24px; }
header { display:flex; align-items:center; gap:10px; padding-top:28px; }
header a.brand { display:flex; align-items:center; gap:10px; color:var(--fg); text-decoration:none; font-weight:700; font-size:20px; }
.logo { width:34px; height:34px; border-radius:9px; background:linear-gradient(135deg,#5264e6,#30bec8); display:grid; place-items:center; color:#fff; font-size:18px; }
.hero { text-align:center; padding:72px 0 40px; }
.hero h1 { font-size:clamp(34px,6vw,54px); line-height:1.08; margin:0 0 16px; letter-spacing:-0.02em; }
.hero p { color:var(--muted); font-size:20px; margin:0 auto; max-width:560px; }
.badge { display:inline-block; margin-top:28px; padding:10px 18px; border-radius:999px; border:1px solid var(--border); color:var(--muted); font-size:15px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:16px; margin:24px 0 56px; }
.card { background:var(--card); border:1px solid var(--border); border-radius:18px; padding:20px; }
.card h3 { margin:0 0 6px; font-size:17px; }
.card p { margin:0; color:var(--muted); font-size:15px; }
.doc h1 { font-size:34px; margin:48px 0 4px; }
.doc .updated { color:var(--muted); margin:0 0 28px; }
.doc h2 { font-size:21px; margin:32px 0 8px; }
footer { color:var(--muted); font-size:14px; padding:40px 24px 56px; display:flex; flex-wrap:wrap; gap:18px; border-top:1px solid var(--border); margin-top:40px; }
footer a { color:var(--muted); }