:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#07142d;color:#e2e8f0;line-height:1.65}body{margin:0}main{max-width:780px;margin:auto;padding:32px 24px 64px}h1,h2{line-height:1.25;color:#fff}h1{font-size:2rem}h2{margin-top:32px;font-size:1.25rem}a{color:#22d3ee;text-underline-offset:3px}nav{display:flex;gap:20px;flex-wrap:wrap;border-bottom:1px solid #203252;padding-bottom:20px;margin-bottom:32px}.card{background:#121f36;border:1px solid #203252;border-radius:16px;padding:24px;margin:24px 0}.button{display:inline-block;padding:12px 20px;background:#2563eb;color:#fff;border-radius:10px;text-decoration:none;font-weight:600}.muted{color:#94a3b8}li{margin:10px 0}a:focus-visible{outline:3px solid #22d3ee;outline-offset:5px}footer{border-top:1px solid #203252;margin-top:40px;padding-top:20px;font-size:.9rem;overflow-wrap:anywhere}@media(max-width:480px){main{padding:24px 18px}.card{padding:18px}}