/* Shared knowledge navigation; independent of catalog or encyclopedia content. */
.knowledge-nav-disclosure { display: inline-flex; position: relative; align-items: center; gap: 0; }
.knowledge-nav-disclosure > a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding-block: 0; white-space: nowrap; font-size: 14px; }
.knowledge-nav-disclosure > a::after { position: absolute; right: 0; bottom: 3px; left: 0; height: 1px; background: currentColor; content: ""; opacity: 0; }
.knowledge-nav-disclosure > a:is(:hover, .is-current)::after { opacity: 1; }
.knowledge-nav-disclosure__toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; min-width: 44px; min-height: 44px; padding: 0; border: 0; border-radius: 4px; background: transparent; color: inherit; font: inherit; cursor: pointer; }
.knowledge-nav-disclosure__toggle:hover { background: rgba(21, 21, 21, 0.05); }
.knowledge-nav-disclosure__toggle svg { transition: transform 140ms ease; }
.knowledge-nav-disclosure__toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.knowledge-nav-disclosure__menu { position: absolute; top: calc(100% + 8px); left: -12px; z-index: 100; min-width: 180px; padding: 6px; border: 1px solid #d7d8d5; border-radius: 6px; background: #fff; color: #151515; box-shadow: 0 10px 28px #00000012; }
.knowledge-nav-disclosure .knowledge-nav-disclosure__menu > a { position: relative; display: flex; min-height: 44px; padding: 10px 12px; border: 0; border-radius: 3px; align-items: center; color: #151515; font-size: 14px; font-weight: 400; line-height: 1.5; white-space: nowrap; text-decoration: none; }
/* Legacy catalog descendants inherit a top-level underline unless reset here. */
.knowledge-nav-disclosure .knowledge-nav-disclosure__menu > a::before,
.knowledge-nav-disclosure .knowledge-nav-disclosure__menu > a::after { display: none; content: none; }
.knowledge-nav-disclosure .knowledge-nav-disclosure__menu > a:hover { background: #f1f2ef; }
.knowledge-nav-disclosure .knowledge-nav-disclosure__menu > a.is-current { background: #151515; color: #fff; }
.knowledge-nav-disclosure :focus-visible, .knowledge-sections :focus-visible, .knowledge-topics :focus-visible { outline: 2px solid #2b6bff; outline-offset: 3px; }
.knowledge-nav-disclosure__menu[hidden], .knowledge-round4-page [hidden] { display: none !important; }
.knowledge-sections { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 24px; padding: 0; }
.knowledge-sections a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 16px; border: 1px solid #d7d8d5; border-radius: 24px; background: #fff; color: #151515; text-decoration: none; font-size: 14px; font-weight: 400; line-height: 1.5; }
.knowledge-sections a:hover { border-color: #151515; background: #f1f2ef; }
.knowledge-sections a.is-current { background: #151515; color: #fff; border-color: #151515; }
.courses-sales-page .courses-page__header { position: relative; }
.courses-sales-page .knowledge-section-navigation { padding-top: 24px; }
.courses-sales-page .knowledge-section-navigation > .knowledge-sections { margin-bottom: 0; }
.courses-sales-page .knowledge-section-navigation + .course-sales-hero { padding-top: 40px; }
@media (max-width: 639px) {
  .courses-sales-page .knowledge-section-navigation + .course-sales-hero { padding-top: 28px; }
}
html[data-knowledge-navigation-v2] .round4-knowledge-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; align-items: start; }
.knowledge-topics { min-width: 0; position: sticky; top: 100px; }
.knowledge-topics h2 { font-size: 13px; font-weight: 600; color: #62676f; margin: 0 0 10px; }
.knowledge-topics__list { display: grid; gap: 4px; }
.knowledge-topics__list button { display: flex; min-height: 44px; align-items: center; justify-content: space-between; gap: 8px; width: 100%; padding: 10px 12px; border: 0; border-radius: 4px; text-align: left; background: transparent; color: #151515; font: inherit; font-size: 14px; cursor: pointer; }
.knowledge-topics__list button span:last-child { color: #777; font-size: 12px; }
.knowledge-topics__list button[aria-pressed="true"] { background: #eceeea; box-shadow: inset 3px 0 #2b6bff; }
.knowledge-topics__mobile { display: none; }
html[data-knowledge-navigation-v2] .round4-results { min-width: 0; margin: 0; }
html[data-knowledge-navigation-v2] .round4-index-toolbar { grid-template-columns: minmax(0, 1fr) minmax(100px, 140px) minmax(100px, 130px); }
html[data-knowledge-navigation-v2] .resource-catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.knowledge-map-view { margin: 8px 0 40px; }
html[data-knowledge-navigation-v2] .knowledge-map-view .round4-map-section { display: block; width: auto; padding: 0; margin: 0; }
html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 0; max-height: none; }
html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map__stage { display: block; min-width: 0; padding: 16px; background: #f5f6f2; border: 1px solid #dedfdc; }
html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map__nodes { display: grid; gap: 12px; }
html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map__node { min-height: 68px; padding: 12px; }
.knowledge-map-view .knowledge-map__track { display: none; }
.knowledge-load-error { padding: 16px; border-left: 3px solid #b65e20; background: #fff8ee; margin: 12px 0; }
.knowledge-result-count { color: #62676f; font-size: 13px; margin: 12px 0; }
@media (max-width: 1023px) {
  html[data-knowledge-navigation-v2] .round4-knowledge-layout { display: block; }
  .knowledge-topics { position: static; margin-bottom: 18px; }
  .knowledge-topics h2, .knowledge-topics__list { display: none; }
  .knowledge-topics__mobile { display: block; }
  .knowledge-topics__mobile summary { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; border: 1px solid #d7d8d5; border-radius: 4px; cursor: pointer; }
  .knowledge-topics__mobile select { display: block; min-height: 44px; width: 100%; margin-top: 8px; padding: 8px; border: 1px solid #d7d8d5; background: #fff; font: inherit; }
  html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-mobile-nav__inner .knowledge-nav-disclosure, .mobile-nav-inner .knowledge-nav-disclosure { display: grid; grid-template-columns: minmax(0, 1fr) 44px; width: 100%; }
  .catalog-mobile-nav__inner .knowledge-nav-disclosure__menu, .mobile-nav-inner .knowledge-nav-disclosure__menu { position: static; grid-column: 1 / -1; min-width: 0; margin: 4px 0 10px; box-shadow: none; }
}
@media (max-width: 639px) {
  html[data-knowledge-navigation-v2] .round4-index-toolbar { grid-template-columns: minmax(0, 1fr); }
  html[data-knowledge-navigation-v2] .resource-catalog-grid, html[data-knowledge-navigation-v2] .knowledge-map-view .knowledge-map { grid-template-columns: minmax(0, 1fr); }
  .knowledge-sections { gap: 6px; }
  .knowledge-sections a { padding-inline: 12px; font-size: 13px; }
}

@media (max-width: 1023px) {
  .catalog-mobile-nav__inner .knowledge-nav-disclosure > a,
  .mobile-nav-inner .knowledge-nav-disclosure > a { padding-block: 10px; border-bottom: 0; }
  .catalog-mobile-nav__inner .knowledge-nav-disclosure > a::after,
  .mobile-nav-inner .knowledge-nav-disclosure > a::after { display: none; content: none; }
  .catalog-mobile-nav__inner .knowledge-nav-disclosure__toggle,
  .mobile-nav-inner .knowledge-nav-disclosure__toggle { width: 44px; min-width: 44px; }
  .catalog-header[data-site-navigation-v4] .catalog-mobile-nav .knowledge-nav-disclosure__menu a { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .knowledge-nav-disclosure__toggle svg { transition: none; }
}