/* The catalog shares the homepage's navigation, tokens and course cards. */
.catalog-index .skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 9999;
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--home-ink);
  color: #fff;
}

.catalog-index .skip-link:focus { top: 12px; }

.catalog-index .catalog-page {
  padding-top: 56px;
  min-height: calc(100dvh - 76px);
}

.catalog-index .catalog-hero {
  margin: 0;
  padding: 0 0 36px;
  border: 0;
  background: transparent;
}

.catalog-index .catalog-hero h1 {
  margin: 0;
  color: var(--home-ink);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.03em;
}

.catalog-index .catalog-lede {
  max-width: none;
  margin: 12px 0 0;
  color: var(--home-muted);
  font-size: 16px;
  line-height: 1.75;
}

.catalog-index .catalog-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 24px;
  margin: 0;
  padding: 0 0 24px;
  border: 0;
  border-bottom: 1px solid var(--home-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.catalog-index .catalog-tools .tool-chip-row {
  display: flex;
  flex: 1 1 480px;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 0;
  width: auto;
  overflow: visible;
}

.catalog-index .catalog-tools .home-course-search {
  flex: 0 1 264px;
  width: 264px;
  min-width: 0;
  margin-left: auto;
}

.catalog-search-icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-right: 2px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.catalog-search-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 6px;
  border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.catalog-index .catalog-grid-head {
  display: block;
  margin: 24px 0 20px;
  scroll-margin-top: 96px;
}

.catalog-index .catalog-grid-head p {
  margin: 0;
  color: var(--home-muted);
  font-size: 14px;
  line-height: 1.6;
}

.catalog-index [data-catalog-grid] {
  margin-top: 0;
}

.catalog-index [data-catalog-pagination] button[data-catalog-nav] {
  min-width: 64px;
  padding-inline: 14px;
}

.catalog-index .catalog-empty {
  margin: 0;
  padding: 72px 24px;
  border: 1px dashed var(--home-line);
  border-radius: 12px;
  background: var(--home-soft);
  color: var(--home-muted);
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

/* English navigation needs more space; use the existing mobile menu sooner. */
@media (min-width: 980px) and (max-width: 1199px) {
  .catalog-index:lang(en) .tool-site-header {
    height: 64px;
    min-height: 64px;
    padding-inline: 20px;
  }
  .catalog-index:lang(en) .tool-site-header .brand strong { font-size: 26px; }
  .catalog-index:lang(en) .tool-site-header .site-nav {
    position: fixed;
    inset: 64px 0 auto;
    z-index: 19;
    display: grid;
    justify-content: stretch;
    align-self: stretch;
    gap: 0;
    margin: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--home-line);
    background: #fff;
    transform: translateY(-130%);
    max-height: calc(100dvh - 64px);
    overflow: auto;
    visibility: hidden;
    pointer-events: none;
  }
  .catalog-index:lang(en) .home-primary-nav {
    position: static;
    display: grid;
    gap: 0;
    transform: none;
  }
  .catalog-index:lang(en) .tool-site-header .home-primary-nav > a {
    min-height: 48px;
    border-top: 1px solid #eff1ed;
  }
  .catalog-index:lang(en) .home-header-actions {
    justify-content: space-between;
    gap: 16px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--home-line);
  }
  .catalog-index:lang(en).menu-open .tool-site-header .site-nav {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }
  .catalog-index:lang(en) .tool-site-header .menu-toggle { display: block; }
}

@media (max-width: 760px) {
  .catalog-index .catalog-page { padding-top: 32px; }
  .catalog-index .catalog-hero { padding-bottom: 28px; }
  .catalog-index .catalog-hero h1 { font-size: 30px; }
  .catalog-index .catalog-lede { font-size: 14px; }
  .catalog-index .catalog-tools { gap: 16px; padding-bottom: 20px; }
  .catalog-index .catalog-tools .tool-chip-row { flex-basis: 100%; gap: 8px; }
  .catalog-index .catalog-tools .home-course-search { flex-basis: 100%; width: 100%; }
  .catalog-index .catalog-grid-head { margin-top: 20px; }
}

@media (max-width: 440px) {
  .catalog-index .home-header-actions { flex-wrap: wrap; gap: 12px; }
}