:root { --bg:#f7faf9; --fg:#14211e; --muted:#51605c; --accent:#0e6b5c; --card:#fff; --line:#dde7e4; }
@media (prefers-color-scheme: dark) { :root { --bg:#0f1715; --fg:#e7efed; --muted:#9fb0ab; --accent:#6fd6c2; --card:#16211e; --line:#24332f; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; }
main { max-width:720px; margin:0 auto; padding:48px 16px 64px; }
h1 { font-size:2rem; line-height:1.2; margin:0 0 8px; }
h2 { font-size:1.15rem; margin:32px 0 8px; }
p, li { color:var(--fg); }
.lead { color:var(--muted); font-size:1.1rem; margin-bottom:32px; }
.muted { color:var(--muted); font-size:.9rem; }
a { color:var(--accent); }
.logo { width:56px; height:56px; border-radius:16px; background:var(--accent); display:grid; place-items:center; margin-bottom:24px; }
.cards { display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); margin:24px 0; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px; }
.card b { display:block; margin-bottom:4px; }
footer { margin-top:48px; padding-top:16px; border-top:1px solid var(--line); }