:root { color-scheme: dark; }
body { margin: 0; font-family: Inter, Segoe UI, Arial, sans-serif; background: #0b1020; color: #e6ecff; }
.container { min-height: 100vh; display: grid; place-content: center; text-align: center; gap: .5rem; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 3rem); }
p { opacity: .9; }