:root {
  color-scheme: light;
  --bg: #fbfbfa;
  --text: #151515;
  --muted: #555;
  --line: #d6d6d6;
  --link: #0f4b87;
  --max: 760px;
  --focus: 2px solid #0f4b87;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--link);
}

a:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.1rem 2.4rem;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.85rem;
  margin-bottom: 1.3rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.switch-link {
  color: var(--muted);
  text-decoration: none;
}

.switch-link:hover,
.switch-link:focus-visible {
  text-decoration: underline;
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  margin: 0;
  font-size: 1.72rem;
}

.lede {
  margin: 0.4rem 0 1.25rem;
  color: var(--muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.4rem 0;
}

section + section {
  margin-top: 1.4rem;
}

ul {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
}

li + li {
  margin-top: 0.2rem;
}

.footer-note {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.92rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}