:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:radial-gradient(circle at 30% 20%,#1e3a5f,#0b1220 60%);color:#f1f5f9;text-align:center}.card{max-width:32rem}.eyebrow{margin:0 0 1rem;font-size:.875rem;letter-spacing:.35em;text-transform:uppercase;color:#7dd3fc}h1{margin:0;font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;line-height:1.1}.subtitle{margin:1rem 0 0;font-size:1.125rem;line-height:1.6;color:#94a3b8}