*{box-sizing:border-box}html,body{margin:0;padding:0}
:root{--bg:#000;--fg:#eee;--card:#111;--border:#1e1e1e;--btn:#fff;--btnText:#000}
body{background:var(--bg);color:var(--fg);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial}
a{color:var(--fg);text-decoration:none;border-bottom:1px solid #333}a:hover{opacity:.85}
.wrap{max-width:1100px;margin:0 auto;padding:20px}
header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
.brand{font-weight:800;font-size:20px;letter-spacing:.5px}
nav a{margin-left:18px;border:0;opacity:.9}nav a:hover{opacity:1}
.hero{padding:60px 0} .hero h1{font-size:48px;margin:0 0 10px} .hero p{max-width:700px;margin:0 0 24px}
.btn{display:inline-block;padding:12px 18px;background:var(--btn);color:var(--btnText);border-radius:12px;font-weight:600}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;margin:18px 0}
.card h2{margin-top:0}
.grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;padding:0;margin:12px 0 0}
.footer{border-top:1px solid var(--border);opacity:.8}