:root {
  color-scheme: dark;
  --canvas: #121214;
  --ink: rgba(255, 255, 255, 0.92);
  --muted: rgba(235, 235, 245, 0.62);
  --line: rgba(255, 255, 255, 0.12);
  --fill: rgba(255, 255, 255, 0.05);
  --accent: #9ec2ff;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
}

a { color: inherit; }

.frame {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 650;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand img {
  display: block;
  width: auto;
  height: 26px;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a { text-decoration: none; }
.nav-links a[aria-current="page"],
.nav-links a:hover { color: var(--ink); }

.hero { padding: 72px 0 36px; }

.hero h1,
.page h1 {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(46px, 7vw, 76px);
  font-weight: 560;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.lede {
  max-width: 38rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.45;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 54px 0 20px;
  padding: 0;
  list-style: none;
}

.facts li {
  min-height: 160px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--fill);
}

.facts strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.facts span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.page { padding: 36px 0 64px; }

.page h1 { font-size: clamp(40px, 6vw, 64px); }

.updated {
  margin: 14px 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.prose { max-width: 68ch; }

.prose h2 {
  margin: 32px 0 8px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.prose p,
.prose li { color: var(--muted); }

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 22px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a { color: inherit; }

@media (max-width: 720px) {
  .facts { grid-template-columns: 1fr; }
  .facts li { min-height: 0; }
  .nav, .site-footer { align-items: flex-start; flex-direction: column; }
  .hero { padding-top: 36px; }
}