:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #0a0a0a;
  --muted: #6a6a72;
  --accent: #0a0a0a;
  --rule: #e6e6ea;
  --link: #0a0a0a;
  --bg-card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #f0f0f2;
    --muted: #9a9aa2;
    --accent: #f0f0f2;
    --rule: #25252a;
    --link: #f0f0f2;
    --bg-card: #131318;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

header.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
header.brand .logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
header.brand .wordmark {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.15;
}
h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}
h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 8px;
}

.lede {
  color: var(--muted);
  font-size: 17px;
  margin: 0 0 8px;
}
.meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

p, ul, ol { margin: 12px 0; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
strong { font-weight: 600; }

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
}
th {
  font-weight: 600;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
footer a { color: var(--muted); }

.callout {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 15px;
}

.hero {
  text-align: left;
  padding: 32px 0 16px;
}
.hero h1 {
  font-size: 48px;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.hero .lede {
  font-size: 20px;
  max-width: 560px;
}
.hero .links {
  margin-top: 32px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 15px;
}