:root {
  --bg: #fbfaf8;
  --fg: #1f1d1a;
  --muted: #6b6459;
  --accent: #2f5d50;
  --rule: #e4dfd6;
  --measure: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  max-width: var(--measure);
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--fg);
  color: var(--bg);
  z-index: 10;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

.site-title {
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--fg);
}

main {
  display: block;
  padding-top: 2.5rem;
}

.prose h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.prose h2 {
  margin-top: 2.25rem;
  font-size: 1.35rem;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1.1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.page-list {
  padding-left: 1.1rem;
}

.site-footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}