:root{--bg:#0b1220;--fg:#e2e8f0;--muted:#94a3b8}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:radial-gradient(1100px 500px at 20% 10%,rgba(14,165,233,.14),transparent),radial-gradient(900px 400px at 80% 20%,rgba(20,184,166,.10),transparent),radial-gradient(1000px 600px at 50% 90%,rgba(59,130,246,.08),transparent),#0b1220;color:var(--fg);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;display:flex;align-items:center;justify-content:center}
main{max-width:760px;padding:56px 24px;text-align:center}
h1{font-size:44px;line-height:1.1;margin:0 0 6px;color:#fff}
h2{font-size:18px;margin:0 0 18px;color:#a5b4fc}
p{margin:0 0 10px;color:var(--muted)}
footer{position:fixed;left:0;right:0;bottom:0;padding:12px 16px;text-align:center;color:#607080}