:root {
  --bg: #f3f2ee;
  --surface: #fbfaf7;
  --fg: #1a1c1e;
  --muted: #5c6166;
  --line: #ddd9d0;
  --accent: #2c3d4f;
  --accent-fg: #f6f5f1;
  --display: "Fraunces", "Iowan Old Style", Palatino, serif;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-padding-top: 5rem; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 500; text-wrap: balance; }

a { color: inherit; }

img { display: block; }

.wrap { width: min(48rem, calc(100% - 2.5rem)); margin-inline: auto; }

header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; min-height: 2.75rem; }

.brand span { font-family: var(--display); font-size: 1.35rem; line-height: 1; }

nav { display: flex; gap: 1.25rem; font-size: 0.95rem; }

nav a { display: inline-flex; align-items: center; min-height: 2.75rem; text-decoration: none; }

.kicker { margin: 2.5rem 0 0; color: var(--muted); font-size: 0.95rem; }

h1 { margin: 0.6rem 0 0; font-size: clamp(2.7rem, 8vw, 3.6rem); line-height: 0.95; max-width: 16ch; }

.lede { margin: 1.25rem 0 0; font-size: 1.2rem; max-width: 38rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.button, .quiet {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 1rem;
  border-radius: 8px;
  text-decoration: none;
}

.button { background: var(--accent); color: var(--accent-fg); }

.quiet { background: var(--surface); border: 1px solid var(--line); }

section { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }

section h2 { margin: 0; font-size: 2rem; }

.chapter h2 { font-size: 2.4rem; }

.lead { margin: 0.8rem 0 0; font-size: 1.15rem; }

.copy { color: var(--muted); }

.copy p { margin: 0.8rem 0 0; }

dl, ol { margin: 1.5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.row, .toc a {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.row:first-child, .toc li:first-child a { border-top: 0; }

.row dt, .toc a { font-family: var(--display); font-size: 1.45rem; }

.row dd { margin: 0; color: var(--muted); }

.toc a { grid-template-columns: 2rem 1fr; align-items: baseline; min-height: 2.75rem; }

.toc span { font-family: var(--sans); font-size: 0.95rem; color: var(--muted); }

footer { margin-top: 4rem; border-top: 1px solid var(--line); }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

main { padding-bottom: 1rem; }

@media (min-width: 640px) {
  .row { grid-template-columns: 9rem 1fr; gap: 1.5rem; align-items: baseline; }
}