:root {
  --ground: #f7f8f9;
  --surface: #ffffff;
  --ink: #14181d;
  --ink-2: #4a5460;
  --ink-3: #77818d;
  --line: #dfe3e8;
  --accent: #2f5d8c;
  --safe: #26704b;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0e1013;
    --surface: #181b20;
    --ink: #e7eaee;
    --ink-2: #a3acb8;
    --ink-3: #79838f;
    --line: #2c323a;
    --accent: #7ba7d8;
    --safe: #6cc396;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
  padding-block: 56px 72px;
}

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

header.site .wrap {
  padding-block: 18px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 14px;
}

a { color: var(--accent); }
a:hover { text-decoration: none; }

h1 {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  text-wrap: balance;
}

h2 {
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin: 40px 0 8px;
  text-wrap: balance;
}

.lede {
  font-size: 1.12rem;
  color: var(--ink-2);
  margin: 0 0 8px;
}

.meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  margin: 0 0 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 600;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--safe);
  border-radius: 4px;
  padding: 16px 18px;
  margin: 24px 0;
}

.callout p:last-child { margin-bottom: 0; }
.callout p:first-child { margin-top: 0; }

ul { padding-left: 20px; }
li { margin-bottom: 6px; }

footer.site {
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13.5px;
}

footer.site .wrap {
  padding-block: 24px 40px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  .wrap { padding-block: 36px 48px; }
}