:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #09090b;
  color: #f4f4f5;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 78% 12%, #541018 0, transparent 30rem), #09090b; }
a { color: inherit; }
.shell { width: min(100% - 2rem, 960px); margin: 0 auto; }
header { border-bottom: 1px solid #27272a; background: rgba(9, 9, 11, 0.78); backdrop-filter: blur(12px); }
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: #fff; font-weight: 900; letter-spacing: -0.04em; text-decoration: none; font-size: 1.25rem; }
.back { color: #d4d4d8; font-size: .9rem; font-weight: 700; text-decoration: none; }
.back:hover { color: #fff; }
main { padding: 5rem 0 4rem; }
.eyebrow { color: #fb7185; font-size: .75rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
h1 { max-width: 760px; margin: .75rem 0 1rem; font-size: clamp(2.5rem, 8vw, 5rem); line-height: .98; letter-spacing: -.06em; }
.lead { max-width: 720px; color: #d4d4d8; font-size: clamp(1.05rem, 2.5vw, 1.25rem); line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0 3.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: .4rem; padding: .9rem 1.15rem; font-weight: 850; text-decoration: none; }
.button-primary { background: #dc2626; color: #fff; box-shadow: 0 0 24px rgba(220, 38, 38, .35); }
.button-primary:hover { background: #ef4444; }
.button-secondary { border: 1px solid #3f3f46; color: #e4e4e7; }
.button-secondary:hover { border-color: #71717a; background: #18181b; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { border: 1px solid #27272a; border-radius: .75rem; padding: 1.35rem; background: rgba(24, 24, 27, .7); }
.card h2 { margin: 0 0 .55rem; font-size: 1.15rem; }
.card p, li { color: #b4b4bd; line-height: 1.65; }
.card p { margin: 0; }
.section { margin-top: 3.5rem; }
.section h2 { font-size: 1.7rem; margin: 0 0 .8rem; }
ol { margin: 1rem 0 0; padding-left: 1.3rem; }
li + li { margin-top: .6rem; }
footer { border-top: 1px solid #27272a; color: #a1a1aa; font-size: .9rem; padding: 2rem 0; }
footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
footer a { text-decoration: none; }
footer a:hover { color: #fff; }
@media (max-width: 520px) { main { padding-top: 3.5rem; } .nav { min-height: 62px; } }
