:root{--bg:#f7f7f5;--fg:#1a1a1a;--muted:#6b6b6b;--accent:#e5a00d}@media (prefers-color-scheme:dark){:root{--bg:#111;--fg:#f2f2f2;--muted:#9a9a9a}}*{box-sizing:border-box;margin:0}body{background:var(--bg);min-height:100vh;color:var(--fg);place-items:center;padding:16px;font-family:system-ui,-apple-system,sans-serif;display:grid}main{text-align:center}h1{margin-bottom:.5rem;font-size:clamp(1.75rem,5vw,2.75rem)}p{color:var(--muted)}.pulse{background:var(--accent);border-radius:50%;width:14px;height:14px;margin:0 auto 1.5rem;animation:1.6s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}