body{margin:0;background:#111b2b;color:#f4f7fc;font:18px system-ui;display:grid;min-height:100vh;place-items:center}main{max-width:760px;padding:48px}span{color:#9bbcf4;font-size:13px;letter-spacing:2px}h1{font-size:clamp(36px,6vw,70px);line-height:1.1}p{color:#c1ccdc;line-height:1.7}strong{display:inline-block;padding:12px 24px;border:1px solid #799ac7;border-radius:12px;color:#bfd5f9}