:root {
  --ink: #1a1a1a;
  --paper: #fdfdfb;
  --rule: #d8d6cf;
  --link: #0b5a8a;
  --quiet: #55534d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceae4;
    --paper: #16171a;
    --rule: #34373c;
    --link: #7fc4ee;
    --quiet: #a2a09a;
  }
}

html {
  font-size: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: Charter, Georgia, "Times New Roman", serif;
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 0 auto;
  max-width: 42rem;
  padding: 2rem 1rem 4rem;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 2.5rem 0 0.5rem;
}

header nav ul,
header nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

header nav[aria-label="Breadcrumb"] ol {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

header nav[aria-label="Breadcrumb"] li + li::before {
  content: "› ";
  color: var(--quiet);
}

[aria-current="page"] {
  color: var(--quiet);
  text-decoration: none;
}

.byline {
  color: var(--quiet);
  font-size: 0.95rem;
  margin: 0 0 2rem;
}

figure {
  margin: 2rem 0;
}

figure img {
  height: auto;
  max-width: 100%;
}

figcaption {
  color: var(--quiet);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

dl {
  margin: 1rem 0;
}

dt {
  font-weight: bold;
  margin-top: 1rem;
}

dd {
  margin: 0.25rem 0 0 1.5rem;
}

footer {
  border-top: 1px solid var(--rule);
  color: var(--quiet);
  font-size: 0.95rem;
  margin-top: 4rem;
  padding-top: 1rem;
}