:root{color-scheme:light dark;font-family:system-ui,sans-serif;background:#101510;color:#f3efe6}
body{margin:0;min-height:100vh;display:grid;place-items:center}
main{width:min(38rem,calc(100%% - 3rem));padding:3rem;border:1px solid #405040;border-radius:1.5rem;background:#172017}
.label{color:#d4af37;letter-spacing:.18em;font-size:.78rem}h1{font-size:clamp(2rem,7vw,4rem);margin:.4rem 0}p{line-height:1.6}