:root { color-scheme: light dark; --bg: #ffffff; --fg: #1d1d1f; --muted: #6e6e73; }
@media (prefers-color-scheme: dark) { :root { --bg: #111113; --fg: #f2f2f4; --muted: #a1a1a6; } }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { min-height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 0 16px; text-align: center; }
h1 { margin: 0; font-size: clamp(2rem, 8vw, 3.5rem); font-weight: 600; letter-spacing: -0.02em; }
p { margin: 1rem 0 0; }
a { color: var(--muted); }