:root {
  --bg: #0f1115; --bg-alt: #161a21; --fg: #e8e8e8; --muted: #9aa0a6;
  --accent: #7cc4ff; --border: #262b34; --code-bg: #1b2029;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa; --bg-alt: #ffffff; --fg: #1a1a1a; --muted: #5f6368;
    --accent: #0b6bcb; --border: #e2e4e8; --code-bg: #f0f2f5;
  }
}
* { box-sizing: border-box; }
html, body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; color: var(--fg);
}
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; font-size: 0.95rem; }
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--fg); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--fg); font-weight: 600; }

/* Main */
body { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; padding: 3rem 0 4rem; }
h1 { font-size: 2.6rem; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 1rem; }
h2 { font-size: 1.5rem; letter-spacing: -0.01em; margin: 2.75rem 0 0.75rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.4rem; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }
.lede { font-size: 1.2rem; max-width: 42rem; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.prose { max-width: 42rem; }

.hero { padding: 1.5rem 0 1rem; }
.hero h1 { font-size: 3rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.button {
  display: inline-block; padding: 0.6rem 1.15rem; border-radius: 0.5rem;
  background: var(--accent); color: var(--bg); font-weight: 600; font-size: 0.95rem;
}
.button:hover { text-decoration: none; filter: brightness(1.08); }
.button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }
.card {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 0.75rem;
  padding: 1.25rem 1.35rem;
}
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.feature {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 0.75rem;
  padding: 1.75rem; margin-top: 1rem;
}
.feature h3 { font-size: 1.4rem; }
.tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem;
}

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.5rem; margin: 0 0 1rem; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
@media (max-width: 34rem) {
  dl.facts { grid-template-columns: 1fr; gap: 0 0; }
  dl.facts dd { margin-bottom: 0.6rem; }
  .hero h1 { font-size: 2.3rem; }
  h1 { font-size: 2.1rem; }
}

pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.85em; }
pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 0.5rem;
  padding: 0.9rem 1rem; overflow-x: auto; margin: 0 0 1rem;
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--muted); }
.site-footer .wrap {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem;
  padding-top: 1.5rem; padding-bottom: 2rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--fg); }