:root{--bg:#fff;--fg:#14213d;--muted:#5b667a;--accent:#1f6feb;--card:#f4f6fa;--line:#e1e5ee}
@media (prefers-color-scheme:dark){:root{--bg:#0f1624;--fg:#e8ecf4;--muted:#9aa6bd;--accent:#6aa5ff;--card:#18223a;--line:#27324d}}
*{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}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header.wrap{display:flex;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:8px}
.logo{font-weight:700;font-size:1.4rem;letter-spacing:.5px}
nav a{margin-left:16px;color:var(--muted);text-decoration:none}
nav a:hover{color:var(--accent)}
.hero{padding-top:40px;padding-bottom:24px}
h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.2;margin:0 0 12px}
h2{margin-top:40px}
a{color:var(--accent)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.cards article{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.cards h3{margin:0 0 6px;font-size:1.05rem}
.cards p{margin:0;color:var(--muted)}
.small{font-size:.85rem;color:var(--muted)}
footer.wrap{padding-top:32px;padding-bottom:32px;margin-top:32px;border-top:1px solid var(--line)}