:root {
  --text: #161616;
  --muted: #666;
  --bg: #fcfcfc;
  --link: #0b57d0;
  --rule: #e6e6e6;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: ui-serif, "Iowan Old Style", Palatino, Georgia, Cambria, serif;
  font-size: 18px;
  line-height: 1.7;
}

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

.wrap {
  max-width: 68ch;
  margin: 0 auto;
  padding: 56px 24px;
}

.nav {
  display: flex;
  gap: 18px;
  margin-bottom: 48px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  font-size: 14px;
}

.nav a { color: var(--muted); }
.nav a.brand { color: var(--text); font-weight: 600; }

h1, h2, h3 {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  line-height: 1.25;
}

h1 { font-size: 32px; margin: 0 0 10px; }
h2 { font-size: 20px; margin-top: 34px; }

p { margin: 0 0 18px; }

.dek {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 16px;
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
}

.footer {
  color: var(--muted);
  font-size: 13px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

pre {
  padding: 14px 16px;
  overflow: auto;
  background: #f4f4f4;
  border-radius: 8px;
}