:root {
  color-scheme: light dark;
  --ink: #172336;
  --muted: #465671;
  --paper: #fff;
  --rule: #dbe1eb;
  --link: #1455aa;
  font-family: system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f1f4fa;
    --muted: #b9c5da;
    --paper: #111926;
    --rule: #354258;
    --link: #9bc8ff;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
a { color: var(--link); text-underline-offset: .18em; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.wrap { width: min(100% - 2rem, 46rem); margin-inline: auto; }
.skip { position: absolute; top: .5rem; left: .5rem; padding: .4rem; background: var(--paper); }
.skip:not(:focus) { transform: translateY(-150%); }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; padding-block: 1rem; border-bottom: 1px solid var(--rule); }
.brand { color: var(--ink); font-size: 1.1rem; font-weight: 720; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .35rem 1rem; }
nav a[aria-current="page"] { color: var(--ink); font-weight: 650; }
main { padding-block: clamp(2rem, 6vw, 4.5rem) 3rem; }
.intro { margin-bottom: 2rem; }
.eyebrow, .date { color: var(--muted); font-size: .9rem; }
.eyebrow { margin: 0 0 .25rem; font-weight: 650; }
h1, h2 { line-height: 1.2; }
h1 { margin: 0; font-size: clamp(2.15rem, 7vw, 3.6rem); letter-spacing: -.04em; }
h2 { margin: 0 0 .6rem; font-size: 1.3rem; }
.lede { color: var(--muted); font-size: 1.1rem; }
section { padding-block: 1.5rem; border-top: 1px solid var(--rule); }
p { margin: .7rem 0; }
li + li { margin-top: .5rem; }
.directory { margin: 0; padding: 0; list-style: none; }
.directory li { margin: 0; padding: 1rem 0; border-top: 1px solid var(--rule); }
.directory a { font-weight: 650; }
.directory p { margin: .25rem 0 0; color: var(--muted); }
.site-footer { padding-block: 1rem 2rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }