:root { color-scheme: light; font-family: Inter, system-ui, sans-serif; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #f4f6f8; color: #172033; }
main { max-width: 620px; padding: 44px; }
h1 { font-size: clamp(34px, 6vw, 68px); margin: 0 0 14px; }
p { font-size: 20px; line-height: 1.5; color: #475569; }