:root { color-scheme: light dark; font-family: ui-sans-serif, system-ui, sans-serif; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #0b1220; color: #e8eef9; }
main { max-width: 42rem; padding: 3rem; }
.eyebrow { color: #6e9bff; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }
h1 { font-size: clamp(2.4rem, 8vw, 5rem); margin: .3rem 0 1rem; }
code { background: #131c2c; padding: .1rem .35rem; border-radius: .35rem; }