:root{color-scheme:light dark}
body{margin:0;min-height:100vh;display:grid;place-items:center;font:16px/1.5 system-ui,sans-serif;background:#070a0d;color:#f1f5f9}
main{max-width:28rem;padding:1.5rem;text-align:center}
h1{font-size:1.25rem;letter-spacing:.15em;margin:0 0 1rem}
a{color:#c4a66b}
[hidden]{display:none}