:root {
  --primary: #FFFFFF;
  --navy: #000066;
  --link: #000099;
  --sky: #94D6E7;
  --mint: #94D6CE;
  --warm: #EFEFCE;
  --band: #CCD6E0;
  --footer: #3C1768;
  --text: #101820;
  --subtle: #D7E3EA;
  --radius: 8px;
  --shadow: 0 14px 30px rgba(16, 24, 32, 0.09);
}

/* Design token audit: Merriweather, Georgia, serif. Inter, Arial, Helvetica, sans-serif. 16px 24px 32px 48px */
* { box-sizing: border-box; }
html { background: var(--primary); }
body {
  margin: 0;
  background: var(--primary);
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
a { color: var(--link); transition: color 160ms ease, border-color 160ms ease, transform 160ms ease, background 160ms ease; }
a:hover, a:focus { color: var(--navy); }
h1, h2, h3, h4 { font-family: Merriweather, Georgia, serif; color: var(--navy); letter-spacing: 0; }
h1 { font-size: 40px; line-height: 1.2; }
h2 { font-size: 28px; line-height: 1.25; }
h3 { font-size: 20px; line-height: 1.3; }
.skip-link { position: absolute; left: -999px; top: 8px; padding: 8px 12px; background: var(--navy); color: #FFFFFF; z-index: 999; }
.skip-link:focus { left: 8px; color: #FFFFFF; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--subtle); box-shadow: 0 1px 0 rgba(215,227,234,.55); }
.header-top { display: grid; grid-template-columns: 380px 1fr; gap: 24px; align-items: center; padding: 16px 0; }
.brand-lockup { display: flex; gap: 14px; align-items: center; text-decoration: none; min-width: 0; }
.brand-mark { display: inline-flex; align-items: center; min-height: 38px; padding: 2px 8px; border: 2px solid var(--navy); background: #0066CC; color: #FFFFFF; font-size: 24px; font-weight: 800; line-height: 1; }
.brand-name { font-family: Merriweather, Georgia, serif; color: var(--navy); font-size: 19px; white-space: nowrap; }
.resource-strip { display: grid; grid-template-columns: 190px 1fr; border: 1px solid var(--navy); border-radius: var(--radius); overflow: hidden; background: var(--warm); }
.resource-strip strong { display: flex; align-items: center; justify-content: center; padding: 12px 16px; background: var(--navy); color: #FFFFFF; font-size: 13px; }
.resource-strip span { padding: 12px 16px; color: var(--text); font-size: 13px; }
.topic-bar { background: var(--warm); border-top: 1px solid var(--subtle); }
.topic-list { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; list-style: none; margin: 0; padding: 12px 0; }
.topic-list > li { position: relative; }
.topic-list a { display: inline-flex; min-height: 36px; align-items: center; padding: 7px 12px; border: 1px solid transparent; border-radius: 999px; color: var(--text); font-size: 13px; font-weight: 800; white-space: nowrap; text-decoration: none; }
.topic-list a:hover, .topic-list a:focus { background: var(--primary); border-color: var(--subtle); color: var(--navy); }
.topic-children { display: none; position: absolute; left: 0; top: calc(100% + 6px); width: 220px; list-style: none; margin: 0; padding: 8px; background: var(--primary); border: 1px solid var(--subtle); border-radius: var(--radius); box-shadow: var(--shadow); }
.topic-list > li:hover .topic-children { display: block; }
.site-main { min-height: 70vh; }
.page-shell { display: grid; grid-template-columns: 220px minmax(0, 1fr) 230px; gap: 24px; align-items: start; padding: 32px 0 48px; }
.page-shell--simple { grid-template-columns: minmax(0, 860px); justify-content: center; }
.side-panel, .utility, .feature-card, .index-panel, .content-column { background: var(--primary); }
.side-panel { position: sticky; top: 150px; overflow: hidden; border: 1px solid var(--subtle); border-radius: var(--radius); }
.panel-title { margin: 0; padding: 14px 16px; background: var(--sky); color: var(--text); font-size: 13px; font-weight: 800; text-align: center; text-transform: uppercase; }
.category-list { list-style: none; margin: 0; padding: 0; }
.category-list li:nth-child(even) { background: rgba(148, 214, 206, .5); }
.category-list a { display: block; padding: 9px 14px; border-top: 1px solid rgba(215,227,234,.8); color: var(--text); font-size: 13px; font-weight: 700; text-decoration: none; }
.category-list a:hover, .category-list a:focus { background: var(--warm); color: var(--navy); }
.content-column { min-width: 0; }
.content-head { margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--subtle); }
.eyebrow { display: inline-flex; padding: 5px 9px; background: var(--warm); color: var(--navy); border-radius: 999px; font-size: 13px; font-weight: 800; text-transform: uppercase; }
.lead { max-width: 760px; margin: 0; color: rgba(16,24,32,.78); font-size: 18px; }
.breadcrumbs ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; font-size: 13px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: rgba(16,24,32,.45); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-bottom: 32px; }
.feature-card { min-height: 100%; padding: 18px; border: 1px solid var(--subtle); border-radius: var(--radius); box-shadow: 0 6px 18px rgba(16,24,32,.06); transition: transform 160ms ease, box-shadow 160ms ease; overflow-wrap: anywhere; }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.feature-card h2 { margin: 0 0 10px; font-size: 20px; }
.cover-frame { display: flex; justify-content: center; align-items: center; min-height: 150px; margin: -4px -4px 16px; padding: 16px; background: linear-gradient(180deg, rgba(148,214,231,.36), rgba(239,239,206,.45)); border-radius: 6px; }
.cover-frame img, .site-image img, .table-image { max-width: 100%; height: auto; object-fit: contain; }
.cover-frame img { max-width: 96px; max-height: 128px; box-shadow: 0 10px 20px rgba(16,24,32,.16); }
.card-label { display: inline-block; margin-bottom: 8px; color: var(--link); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.more, .rail-link { font-weight: 800; }
.site-prose { max-width: 100%; }
.site-prose > * + * { margin-top: 16px; }
.site-block--paragraph { font-size: 16px; }
.site-image { margin: 18px 0; text-align: center; }
.site-image figcaption { margin-top: 8px; color: rgba(16,24,32,.62); font-size: 13px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--subtle); border-radius: var(--radius); background: var(--primary); }
.site-table { min-width: 520px; margin: 0; }
.site-table td, .site-table th { vertical-align: top; }
.table-cell-list { display: block; margin: 3px 0; }
.site-list { padding-left: 1.25rem; }
blockquote { border-left: 4px solid var(--sky); padding: 10px 0 10px 18px; color: rgba(16,24,32,.82); }
.utility { overflow: hidden; border: 1px solid var(--subtle); border-radius: var(--radius); }
.utility h3 { margin: 0; padding: 14px 16px; background: var(--band); font-size: 18px; }
.utility-body { padding: 16px; }
.rail-link { display: block; padding: 9px 0; border-bottom: 1px solid var(--subtle); color: var(--text); font-size: 14px; }
.content-toc { margin: 0 0 24px; padding: 16px; border: 1px solid var(--subtle); border-radius: var(--radius); background: var(--warm); }
.content-toc ul { margin: 0; }
.outlink-index { margin-bottom: 48px; padding-top: 24px; border-top: 1px solid var(--subtle); }
.outlink-index h2 { margin-bottom: 16px; font-size: 20px; }
.outlink-index ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 24px; list-style: none; margin: 0; padding: 0; }
.outlink-index a { display: block; padding: 8px 0; border-bottom: 1px solid rgba(215,227,234,.7); color: var(--text); font-size: 13px; font-weight: 700; }
.site-separator { border-top: 1px solid var(--band); }
.site-footer { background: var(--footer); color: #FFFFFF; border-top: 6px solid var(--band); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; padding: 24px 0; font-size: 14px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.site-footer a { color: #FFFFFF; font-weight: 800; }
@media (max-width: 1040px) {
  .header-top { grid-template-columns: 1fr; }
  .page-shell { grid-template-columns: 210px minmax(0,1fr); }
  .utility { grid-column: 1 / -1; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .page-shell, .feature-grid { grid-template-columns: 1fr; }
  .outlink-index ul { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .topic-list { flex-wrap: nowrap; overflow-x: auto; }
  .resource-strip { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  .footer-inner { flex-direction: column; }
}