:root{--bg:#0f1115;--fg:#e7e9ee;--mut:#8b93a1;--acc:#4f8cff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
header,footer{display:flex;justify-content:space-between;align-items:center;padding:18px 28px;border-bottom:1px solid #1d2129}
footer{border-top:1px solid #1d2129;border-bottom:none;color:var(--mut);font-size:14px}
.logo{font-weight:700;letter-spacing:.5px}
nav a{color:var(--mut);margin-left:18px;text-decoration:none}
nav a:hover{color:var(--fg)}
main{max-width:820px;margin:0 auto;padding:48px 28px}
h1{font-size:34px;margin:0 0 12px}h2{font-size:20px;margin:32px 0 8px}
.lead{color:var(--mut);font-size:18px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:28px 0}
.grid div{background:#151a21;border:1px solid #1d2129;border-radius:10px;padding:16px}
.grid h2{margin:0 0 6px;font-size:17px}.grid p{margin:0;color:var(--mut);font-size:14px}
table{width:100%;border-collapse:collapse;margin:12px 0}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid #1d2129;font-size:15px}
th{color:var(--mut);font-weight:600}
pre{background:#151a21;border:1px solid #1d2129;border-radius:8px;padding:14px;overflow:auto}
.muted{color:var(--mut);font-size:14px}
a{color:var(--acc)}