:root {
  --ink: #1A1F1D;
  --paper: #FAFAF7;
  --manila: #EDE3CC;
  --manila-deep: #E3D6B6;
  --muted: #6C7370;
  --teal: #00B894;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Instrument Sans", -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

.shell {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  border-bottom: 1px solid rgba(26, 31, 29, 0.14);
}
.header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  gap: 1rem;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.wordmark .dot { color: var(--teal); }
.header-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
}
.header-link:hover { color: var(--ink); }

main.shell {
  border-left: 2px solid rgba(178, 58, 47, 0.35);
  padding: 3.5rem 1.5rem 4rem 2rem;
}
@media (max-width: 47rem) {
  main.shell { border-left: none; padding-left: 1.5rem; }
}

.doc-eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
main h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}
.doc-updated {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}
main h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.35rem;
  margin: 2.25rem 0 0.6rem;
}
main p, main li {
  color: #3B423F;
  max-width: 65ch;
}
main p + p { margin-top: 0.75rem; }
main ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 0.75rem;
}
main li + li { margin-top: 0.35rem; }
main strong { color: var(--ink); }

.doc-note {
  background: var(--manila);
  border: 1px solid var(--manila-deep);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 2.5rem 0 0;
  font-size: 0.92rem;
}

footer {
  border-top: 1px solid rgba(26, 31, 29, 0.14);
  padding: 2rem 0 3rem;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--muted);
}
.footer-row a { text-decoration: none; }
.footer-row a:hover { color: var(--ink); text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }