:root{--bg: #f8fafc;--text: #0f172a}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.container{max-width:760px;margin:3rem auto;padding:1rem;text-align:center}h1{font-size:2.5rem;margin-bottom:.5rem}p{color:#475569}