:root{--bg:#0f1419;--ink:#e7eef2;--muted:#93a4b0;--card:#182028;--accent:#7eb6d9;--radius:8px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif, system-ui, sans-serif;line-height:1.55}
a{color:var(--accent);text-decoration:none}
header,main,footer{max-width:760px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;padding-top:28px}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--ink)}
.logo{width:36px;height:36px}
nav a{margin-left:16px;color:var(--muted)}
h1{font-size:34px;line-height:1.15;margin:28px 0 8px}
.lead{color:var(--muted);max-width:46em}
.grid{display:grid;gap:12px;margin:28px 0}
.card{background:var(--card);border-radius:var(--radius);padding:16px 18px}
.card h2{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
article h2{margin-top:28px}
footer{color:var(--muted);padding:28px 20px 40px;font-size:14px}