:root { color-scheme: light dark; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; font-family: system-ui, sans-serif; background: #0f1218; color: #e9ecf1; }
main { max-width: 38rem; padding: 3rem 1.5rem; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 0 0 .75rem; letter-spacing: -.02em; }
.lead { font-size: 1.15rem; color: #aab2c0; }
.checks { padding-left: 1.2rem; line-height: 1.7; }
a { color: #7cc4ff; text-decoration: none; }
a:hover { text-decoration: underline; }