:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080b14;
  color: #eff3ff;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 70% 0%, #172448 0, #080b14 42%); }
main { width: min(100% - 40px, 980px); margin: 0 auto; padding: 72px 0; }
h1 { max-width: 850px; margin: 10px 0 18px; font-size: clamp(2.4rem, 7vw, 5.4rem); line-height: .98; letter-spacing: -.055em; }
h2 { margin-top: 0; }
code, pre { font-family: "SFMono-Regular", Consolas, monospace; }
h1 code { color: #8bb8ff; font-size: .78em; }
.eyebrow { color: #8bb8ff; font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.eyebrow.good { color: #79f2bd; }
.eyebrow.bad { color: #ff9b9b; }
.lead { max-width: 760px; color: #b5bfd9; font-size: 1.14rem; line-height: 1.65; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 44px 0; }
.card { min-height: 190px; display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; border: 1px solid #2a3450; border-radius: 20px; color: inherit; text-decoration: none; transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); border-color: #8bb8ff; }
.card span, .card small { color: #9ca8c4; }
.card strong { margin: 6px 0; font-size: 2rem; }
.card.accent { background: linear-gradient(145deg, #163864, #102039); }
.card.muted { background: #101522; }
.explain, pre, .status, .metrics article { border: 1px solid #27314a; background: rgba(16, 21, 34, .82); border-radius: 16px; }
.explain { padding: 28px; color: #b5bfd9; line-height: 1.65; }
nav { display: flex; justify-content: space-between; margin-bottom: 56px; }
nav a { color: #a9c9ff; text-decoration: none; }
pre { overflow-x: auto; margin: 28px 0; padding: 20px; color: #bcd3ff; line-height: 1.55; }
.status { margin: 22px 0; padding: 16px 18px; color: #ffd477; }
.status.done { color: #79f2bd; }
.status.error { color: #ff9b9b; }
.hero-slot { min-height: 260px; display: grid; place-items: center; overflow: hidden; border-radius: 20px; background: #0c111e; }
.hero-slot img { display: block; width: 100%; max-height: 470px; object-fit: cover; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.metrics article { padding: 18px; }
.metrics span { display: block; margin-bottom: 6px; color: #99a5c1; font-size: .78rem; }
.metrics strong { font-size: 1.4rem; }
@media (max-width: 650px) {
  main { padding-top: 40px; }
  .cards, .metrics { grid-template-columns: 1fr; }
  nav { gap: 16px; }
}