:root{--bg:#0e1116;--panel:#161b22;--ink:#e6edf3;--muted:#8b949e;--accent:#58a6ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Inter,sans-serif}
main{max-width:760px;margin:0 auto;padding:48px 16px}
.brand{color:var(--accent);font-weight:800;letter-spacing:.06em;text-transform:uppercase;font-size:14px}
h1{font-size:40px;line-height:1.15;margin:12px 0}h2{margin-top:32px;font-size:22px}
p,li{color:#c9d1d9}a{color:var(--accent)}.muted{color:var(--muted);font-size:14px}
.card{background:var(--panel);border:1px solid #30363d;border-radius:12px;padding:20px;margin:24px 0}
footer{margin-top:48px;border-top:1px solid #30363d;padding-top:16px}