:root {
  color-scheme: light dark;
  --paper: #f7f3eb;
  --ink: #302822;
  --muted: #63584d;
  --copper: #87472f;
  --copper-ink: #ffffff;
  --wash: #ebe4d9;
  --line: #d6cbbe;
  --max-width: 72rem;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
  overflow-wrap: break-word;
}
a { color: var(--copper); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 0.13em; }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--copper);
  outline-offset: 4px;
  border-radius: 2px;
}
p, ul, ol, dl { margin: 0 0 1.25rem; }
li + li { margin-top: 0.5rem; }
ul, ol { padding-inline-start: 1.5rem; }
h1, h2, h3 { color: var(--ink); }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 { margin: 0.4rem 0 1rem; font-size: clamp(2.25rem, 5.5vw, 3.75rem); line-height: 1.12; letter-spacing: -0.025em; }
h2 { margin: 2.75rem 0 0.85rem; font-size: 1.8rem; line-height: 1.25; }
h3 { margin: 1.75rem 0 0.7rem; font-size: 1.1rem; line-height: 1.4; }
strong { font-weight: 650; }
address { font-style: normal; }
code { padding: 0.15rem 0.35rem; background: var(--wash); font-size: 0.9em; overflow-wrap: anywhere; }
hr { margin: 2rem 0; border: 0; border-top: 1px solid var(--line); }

.skip-link { position: absolute; inset-inline-start: 1rem; top: -8rem; z-index: 2; padding: 0.75rem 1rem; background: var(--paper); }
.skip-link:focus { top: 1rem; }
.site-header, .site-footer, .page { width: min(var(--max-width), calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.25rem 2rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; min-height: 48px; color: var(--ink); text-decoration: none; font-size: 1.2rem; font-weight: 650; }
.brand-mark { color: var(--copper); border-inline-start: 3px solid var(--copper); padding-inline-start: 0.6rem; font: 1.2rem/1.1 Georgia, "Times New Roman", serif; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
.site-nav a { display: inline-flex; align-items: center; min-height: 48px; color: var(--muted); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--copper); text-decoration: underline; text-decoration-thickness: 2px; }
.page { padding-block: 3.5rem 4.5rem; }
.eyebrow { margin: 0; color: var(--copper); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.intro { max-width: 44rem; margin-bottom: 2.5rem; }
.lead { font-size: 1.2rem; line-height: 1.6; color: var(--muted); }
.meta { color: var(--muted); font-size: 0.95rem; }
.document-layout { display: grid; grid-template-columns: 13.5rem minmax(0, 45rem); gap: 3.5rem; align-items: start; }
.toc { position: sticky; top: 1.5rem; padding-top: 0.25rem; }
.toc h2 { margin: 0 0 0.7rem; font: 650 1rem/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li + li { margin-top: 0; }
.toc a { display: block; padding-block: 0.5rem; min-height: 44px; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--copper); text-decoration: underline; }
.document { min-width: 0; }
.document > section:first-child h2 { margin-top: 0; }
.notice { margin-block: 1.5rem 2rem; padding: 1rem 1.25rem; border-inline-start: 3px solid var(--copper); background: var(--wash); }
.notice p:last-child { margin-bottom: 0; }
.data-list { margin-block: 1.5rem 2rem; }
.data-list dt { font-weight: 650; padding-top: 1rem; border-top: 1px solid var(--line); }
.data-list dd { margin: 0.4rem 0 1rem; color: var(--muted); }
.mail-link { overflow-wrap: anywhere; }
.contact-block { padding-block: 1.5rem; border-block: 1px solid var(--line); margin-block: 1.5rem 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-block: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0.6rem 1.15rem; border: 1px solid var(--copper); border-radius: 5px; font-weight: 600; text-align: center; text-decoration: none; }
.button-primary { color: var(--copper-ink); background: var(--copper); }
.button:hover { text-decoration: underline; }
.hero { max-width: 48rem; padding-block: 1rem 2.5rem; }
.hero h1 { max-width: 12ch; }
.feature-list { max-width: 45rem; padding-top: 0.5rem; }
.feature-list h2 { margin-top: 1.75rem; }
.feature-list article { display: grid; grid-template-columns: 2rem minmax(0, 1fr); gap: 1rem; padding-block: 1.35rem; border-top: 1px solid var(--line); }
.feature-list article h3 { margin: 0 0 0.35rem; }
.feature-list article p { margin: 0; color: var(--muted); }
.number { font-family: Georgia, "Times New Roman", serif; color: var(--copper); font-size: 1.3rem; }
.related { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.related h2 { margin-top: 0; }
.site-footer { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 2rem; padding-block: 1.5rem 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.95rem; }
.site-footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; }

@media (max-width: 55rem) {
  .document-layout { display: block; }
  .toc { position: static; margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); }
  .toc ul { display: flex; flex-wrap: wrap; gap: 0 1.3rem; }
  .document { max-width: 45rem; }
}
@media (max-width: 36rem) {
  .site-header, .site-footer, .page { width: calc(100% - 2.5rem); }
  .site-header { align-items: flex-start; padding-block: 0.75rem; }
  .site-nav { width: 100%; }
  .page { padding-block: 2.25rem 3rem; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.65rem; }
  .lead { font-size: 1.1rem; }
  .actions { align-items: stretch; flex-direction: column; }
  .notice { padding: 1rem; }
  .hero { padding-top: 0; }
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #201c18; --ink: #ece3d9; --muted: #d0c4b7; --copper: #e8aa88; --copper-ink: #4d2513; --wash: #3f3730; --line: #554b42; }
}
@media print {
  :root { --paper: #ffffff; --ink: #111111; --muted: #333333; --copper: #55301f; --wash: #f3f3f3; --line: #bbbbbb; }
  .site-nav, .toc, .skip-link, .actions { display: none; }
  .site-header, .site-footer, .page { width: 100%; }
  .page { padding-block: 1.5rem; }
  .document-layout { display: block; }
  h2, h3 { break-after: avoid; }
  a { color: inherit; }
}