:root { color-scheme: light; font-family: system-ui, sans-serif; color: #18302c; background: #f5f6f2; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; }
main { max-width: 44rem; padding: 2rem; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.12; letter-spacing: -.035em; }
p { font-size: 1.125rem; color: #52645e; }