:root {
  color-scheme: light;
  --paper: #faf7ee;
  --ink: #24352a;
  --muted: #526054;
  --accent: #345a42;
  --rule: #d6dbcc;
}

* { box-sizing: border-box; }
body {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2.5rem) 3rem;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.75 system-ui, sans-serif;
  overflow-wrap: anywhere;
}
.site-header, nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  align-items: center;
}
.site-header {
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.brand { font-weight: 700; }
.brand span { margin-inline-start: 0.25rem; }
a { color: var(--accent); text-underline-offset: 0.2em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
h1, h2, h3 { line-height: 1.3; }
h1, .section-title { font-size: clamp(2rem, 6vw, 3rem); margin: 1.75rem 0 0.25rem; }
h2, h3 { font-size: 1.16rem; margin: 2rem 0 0.45rem; }
p { margin: 0 0 0.85rem; }
.intro { font-size: 1.08rem; margin-top: 1.25rem; }
.updated, .language-back { color: var(--muted); font-size: 0.9rem; }
section + section { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }