body{margin:0;background:#102a32;color:#f1f5ef;font-family:system-ui}main{max-width:960px;margin:15vh auto;padding:32px}h1{font-size:clamp(32px,6vw,72px);letter-spacing:-.04em}p{line-height:1.8}button{background:#c5f18c;border:0;padding:16px 24px;border-radius:12px;font-size:16px}