body{background:#08090A;color:#eef;font:16px system-ui;margin:0}header{position:sticky;top:0;background:#08090acc;backdrop-filter:blur(10px)}nav{display:flex;gap:20px;padding:16px}a{color:#9fb0ff}section{max-width:1100px;margin:40px auto;padding:30px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.04)}.cards{display:flex;gap:20px;flex-wrap:wrap}.cards article{flex:1;padding:20px;border:1px solid #445;border-radius:12px}