:root{color-scheme:light dark}
body{margin:0;font-family:system-ui,-apple-system,sans-serif;line-height:1.6;display:grid;place-items:center;min-height:100vh;padding:2rem;box-sizing:border-box}
main{max-width:36rem}
h1{font-size:2.5rem;margin:0 0 .25rem;letter-spacing:-.02em}
.intro{font-size:1.2rem;opacity:.8;margin:0 0 2rem}
h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;opacity:.6}
ul{list-style:none;padding:0}