:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; color: #eef2ff; background: radial-gradient(circle at 80% 0, #312e81, transparent 32rem), #080b14; }
main { width: min(760px, calc(100% - 40px)); padding: 46px; border: 1px solid rgba(184,170,255,.25); border-radius: 24px; background: rgba(13,18,32,.82); box-shadow: 0 30px 80px rgba(0,0,0,.34); }
.eyebrow { color: #b8aaff; font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 22px 0; font-size: clamp(42px, 8vw, 78px); line-height: .98; letter-spacing: -.055em; }
p { color: #aab3c6; line-height: 1.7; }
button { margin-top: 18px; padding: 12px 18px; border: 0; border-radius: 10px; color: #fff; background: #7c6ceb; cursor: pointer; }
output { display: inline-block; margin-left: 14px; color: #55d9d0; }