:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #111214; color: #f6f6f3; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; }
main { padding: 2rem; }
h1 { margin: 0; font-size: clamp(1.75rem, 6vw, 3rem); font-weight: 500; letter-spacing: -.04em; }