:root {
  --bg: #0f172a;
  --panel: #111827;
  --card: #ffffff;
  --muted: #64748b;
  --text: #111827;
  --soft: #f8fafc;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #047857;
  --warn: #b45309;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  line-height: 1.6;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: white;
  border-radius: 12px;
  background: var(--bg);
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 14px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.hero {
  padding: 48px 0 32px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
}

h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

h2 {
  margin-top: 0;
  font-size: 28px;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 8px;
}

.section {
  margin: 24px 0;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--soft);
}

.metric {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--ok);
  font-weight: 700;
  font-size: 13px;
}

.warning {
  background: #fffbeb;
  color: var(--warn);
}

pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 16px;
  color: #f8fafc;
  background: #020617;
}

code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

ul {
  padding-left: 20px;
}

a {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px;
  color: var(--muted);
  text-align: center;
  background: white;
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
  }

  .nav-link {
    background: var(--soft);
  }
}