:root{--violet:#7c3aed;--charcoal:#111827;--amber:#ffb020}*{box-sizing:border-box}html,body{color:var(--charcoal);background:#fff;margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}main{max-width:40rem;margin:0 auto;padding:4rem 1.5rem}h1{color:var(--violet);margin:0 0 .5rem}