html{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;direction:ltr}body{margin:0;color:#0f172a;background:#fff}.container{max-width:980px;margin-inline:auto;padding-inline:1rem}.btn{display:inline-block;background:#0ea5e9;color:#fff;text-decoration:none;padding:.6rem 1rem;border-radius:.5rem}.btn.secondary{background:#64748b}