:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0b1020;color:#e8eefc;font:16px/1.5 system-ui,sans-serif}.card{width:min(720px,92vw);padding:2rem;border:1px solid #334155;border-radius:18px;background:#111827;box-shadow:0 24px 60px #0008}.eyebrow{color:#f59e0b;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem}h1{font-size:clamp(2rem,7vw,4rem);margin:.2rem 0 1rem}nav{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0}a,button{color:#07111f;background:#f59e0b;padding:.65rem .9rem;border:0;border-radius:.55rem;text-decoration:none;font-weight:700}form{display:grid;gap:1rem}label{display:grid;gap:.35rem}input{padding:.7rem;border-radius:.4rem;border:1px solid #64748b;background:#0f172a;color:#fff}