:root {
  --bg: #f4f3f0;
  --paper: #ffffff;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e6e3dc;
  --link: #1e40af;
  --focus: #1d4ed8;
  --measure: 42rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

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

a:focus-visible,
.skip:focus {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  inset-inline-start: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--paper);
  color: var(--ink);
  padding: 0.5rem 0.75rem;
}

.skip:focus { transform: none; }

.site-header,
.site-footer,
main {
  width: min(100% - 2rem, var(--measure));
  margin-inline: auto;
}

.site-header {
  padding-top: 1.5rem;
}

.brand {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.brand a {
  color: inherit;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0.85rem 0 0;
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a[aria-current="page"] {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

main {
  background: var(--paper);
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding: 1.5rem 1.25rem 2rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 1.85rem;
  line-height: 1.2;
  font-weight: 650;
  letter-spacing: -0.02em;
}

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

h2 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

p { margin: 0.65rem 0; }

ul, ol { margin: 0.5rem 0 0.75rem; padding-inline-start: 1.25rem; }

li + li { margin-top: 0.3rem; }

.site-footer {
  padding-bottom: 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer p { margin: 0.35rem 0; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  h1 { font-size: 1.55rem; }
  main { padding: 1.15rem 1rem 1.5rem; }
}