:root {
  --ink: #1a1a1a;
  --muted: #5b6472;
  --blue: #005697;
  --blue-ink: #003a66;
  --line: #e2e6ec;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.5;
}
header,
article,
footer {
  width: min(42rem, calc(100% - 2.5rem));
  margin-left: auto;
  margin-right: auto;
}
header {
  padding: 1.25rem 0 0.75rem;
  border-bottom: 1px solid var(--line);
}
header a.brand {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}
nav {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.9rem;
}
nav a {
  color: var(--blue-ink);
}
article {
  padding: 1.5rem 0 3rem;
}
h1 {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  color: var(--blue);
}
.updated {
  color: var(--muted);
  margin: 0 0 1.25rem;
}
h2 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.15rem;
}
p,
li {
  color: var(--ink);
}
ul,
ol {
  padding-left: 1.25rem;
}
a {
  color: var(--blue-ink);
}
footer {
  padding: 0 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}