:root{--bg:#fbfaf7;--fg:#1d2330;--muted:#5b6475;--accent:#3b6ef5;--card:#fff;--line:#e5e2da}
@media (prefers-color-scheme:dark){:root{--bg:#12151c;--fg:#e8eaf0;--muted:#9aa3b5;--accent:#7b9dff;--card:#1a1e27;--line:#2a2f3a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header,main,footer{max-width:760px;margin:0 auto;padding:0 16px}
header{display:flex;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:8px}
.logo{font-weight:800;font-size:1.3rem;color:var(--fg);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-left:16px}
nav a:hover{color:var(--accent)}
h1{font-size:2rem;line-height:1.2;margin:24px 0 4px}
h2{margin-top:2rem;font-size:1.25rem}
.muted{color:var(--muted)}
a{color:var(--accent)}
.hero{padding:48px 0}
.hero h1{font-size:2.6rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:32px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
footer{border-top:1px solid var(--line);margin-top:48px;padding-top:16px;padding-bottom:32px;color:var(--muted);font-size:.9rem}
footer a{color:var(--muted);margin-right:16px}