/* =====================================================
   hub-pages.css
   CleaningRatio – Topic hub pages
===================================================== */

.hub-page {
  padding-block: var(--space-4) var(--space-6);
}

.hub-shell {
  max-width: 880px;
  margin: 0 auto 0 0;
}

.hub-breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 18px;
}

.hub-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.hub-breadcrumb a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.hub-header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.hub-eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hub-title {
  margin: 0;
  line-height: 1.12;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  color: var(--color-text);
}

.hub-dek {
  margin: 12px 0 0;
  max-width: 68ch;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.hub-section {
  padding-block: 14px;
}

.hub-section h2 {
  margin: 0 0 10px;
  line-height: 1.25;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  color: var(--color-text);
}

.hub-section p {
  margin: 0 0 10px;
  line-height: 1.75;
  color: var(--color-text);
}

.hub-list {
  margin: 0;
  padding-left: 18px;
}

.hub-list li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.hub-quicklinks {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.hub-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.hub-panel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--color-text);
}

.hub-panel p {
  margin: 0;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.hub-panel a,
.hub-list a,
.hub-article-card a,
.hub-table a,
.hub-faq-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.hub-panel a:hover,
.hub-list a:hover,
.hub-article-card a:hover,
.hub-table a:hover,
.hub-faq-item a:hover {
  text-decoration: none;
}

.hub-article-grid {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.hub-article-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.hub-article-card a {
  display: block;
  padding: 16px;
  color: inherit;
  text-decoration: none;
}

.hub-article-card h3 {
  margin: 0;
  line-height: 1.3;
  font-size: 1rem;
  color: var(--color-text);
}

.hub-article-card p {
  margin: 8px 0 0;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.hub-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

.hub-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.hub-table th,
.hub-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
}

.hub-table th {
  font-size: 0.95rem;
  color: var(--color-text);
  background: rgba(15, 60, 125, 0.04);
}

.hub-table td {
  color: var(--color-text-muted);
}

.hub-table tbody tr:last-child td {
  border-bottom: 0;
}

.hub-split {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.hub-group + .hub-group {
  margin-top: 20px;
}

.hub-group-title {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--color-text);
}

.hub-faq-list {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.hub-faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.hub-faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--color-text);
}

.hub-faq-item p {
  margin: 0;
  line-height: 1.65;
  color: var(--color-text-muted);
}

@media (min-width: 760px) {
  .hub-quicklinks,
  .hub-article-grid,
  .hub-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hub-page {
    padding-block: var(--space-3) var(--space-5);
  }

  .hub-breadcrumb {
    margin-bottom: 14px;
    font-size: 0.88rem;
  }

  .hub-header {
    margin-bottom: 16px;
    padding-bottom: 14px;
  }
}