:root{color-scheme:dark;--bg: #0b0f14;--fg: #e8edf2;--muted: #9aa7b4;--accent: #d4af37}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}.shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem;text-align:center}.shell__title{margin:0;font-size:2rem;letter-spacing:.02em}.shell__lead{margin:0;max-width:28rem;color:var(--muted)}.shell__cta{appearance:none;border:none;border-radius:.5rem;padding:.85rem 1.75rem;font-size:1rem;font-weight:600;color:#0b0f14;background:var(--accent);cursor:pointer}.shell__note{margin:0;max-width:28rem;color:var(--muted);font-size:.95rem}