:root { color-scheme: light dark; --bg: #f7f7f5; --fg: #1d1d1b; --muted: #6b6b66; }
@media (prefers-color-scheme: dark) { :root { --bg: #161615; --fg: #ededea; --muted: #9a9a94; } }
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 18px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; display: grid; place-items: center; padding: 16px; }
main { text-align: center; }
h1 { font-size: clamp(1.8rem, 6vw, 3rem); font-weight: 600; letter-spacing: -0.02em; margin: 0 0 .25em; }
p { color: var(--muted); margin: 0; }