:root{--bg: #0f1115;--card-bg: #171a21;--text: #f2f3f5;--muted: #9aa1ac;--accent: #6ea8fe;color-scheme:dark light}@media(prefers-color-scheme:light){:root{--bg: #f5f6f8;--card-bg: #ffffff;--text: #1a1d23;--muted: #5b6270;--accent: #3465d4}}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.card{text-align:center;padding:3rem 2.5rem;border-radius:16px;background:var(--card-bg);box-shadow:0 10px 30px #00000026}h1{margin:0 0 .5rem;font-size:2rem;font-weight:700}.tagline{margin:0 0 2rem;color:var(--muted);font-size:1.05rem}.links{display:flex;gap:1.5rem;justify-content:center}.links a{display:flex;align-items:center;gap:.5rem;color:var(--text);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:999px;border:1px solid var(--muted);transition:border-color .15s ease,color .15s ease}.links a:hover,.links a:focus-visible{border-color:var(--accent);color:var(--accent)}