:root { color-scheme: dark; font-family: system-ui, -apple-system, sans-serif; --bg: #101319; --surface: #1b222d; --text: #edf1f8; --accent: #ee5563; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; } a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip-link { position: absolute; top: -5rem; left: 1rem; background: var(--surface); padding: .5rem; }
.skip-link:focus { top: 1rem; }
.site-header, footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem max(1rem, calc((100% - 68rem) / 2)); }
.site-header nav { display: flex; flex-wrap: wrap; gap: 1.3rem; }
.brand { font-weight: 800; text-decoration: none; }
main { max-width: 68rem; margin: 0 auto; padding: 0 1rem 3rem; }
.hero { padding: clamp(3rem, 10vw, 8rem) 0; }
.hero h1 { font-size: clamp(2.5rem, 8vw, 5rem); line-height: 1.05; max-width: 14ch; }
.hero p { max-width: 45rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .1em; }
.button { display: inline-block; padding: .8rem 1.2rem; border-radius: .5rem; background: var(--accent); color: #18090e; font-weight: 700; text-decoration: none; }
.section { margin: 1.5rem 0; padding: 2rem; border-radius: .75rem; background: var(--surface); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (max-width: 35rem) { .site-header { flex-direction: column; align-items: flex-start; } }