*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,sans-serif;background:#fff;color:#111;min-height:100vh;display:flex;align-items:center;justify-content:center}main{text-align:center;padding:2rem;max-width:480px}h1{font-size:2rem;font-weight:700;margin-bottom:1rem;letter-spacing:-.02em}p{font-size:1.1rem;color:#555;margin-bottom:.5rem}