:root { color-scheme: dark; font-family: Arial, Helvetica, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #090909; color: #fff; }
main { width: min(720px, calc(100% - 40px)); padding: 56px; border: 1px solid #2b2b2b; border-radius: 28px; background: linear-gradient(145deg, #171717, #0c0c0c); }
small { color: #ff3b43; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 18px 0 14px; font-size: clamp(38px, 8vw, 72px); line-height: .96; letter-spacing: -.05em; }
p { margin: 0; max-width: 560px; color: #aaa; font-size: 18px; line-height: 1.6; }
strong { color: #fff; }