/* SPL SEO architecture — homepage + category discovery. Reversible with the MU-plugin. */
.spl-seo {
  max-width: 1160px;
  margin: 18px auto 28px;
  padding: 0 16px 8px;
  color: inherit;
  font-size: 15px;
  line-height: 1.45;
}
.spl-seo *,
.spl-seo *::before,
.spl-seo *::after { box-sizing: border-box; }
.spl-seo-h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  line-height: 1.25;
  font-weight: 700;
}
.spl-seo-lead {
  margin: 0 0 20px;
  max-width: 72ch;
  opacity: 0.88;
}
.spl-seo-section { margin: 0 0 28px; }
.spl-seo-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  border-bottom: 2px solid currentColor;
  padding-bottom: 6px;
}
.spl-seo-section-head h2 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.3;
}
.spl-seo-more {
  font-size: 0.9rem;
  white-space: nowrap;
}
.spl-seo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.spl-seo-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-decoration: none;
  color: inherit;
}
.spl-seo-card:hover .spl-seo-card-title { text-decoration: underline; }
.spl-seo-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: rgba(127, 127, 127, 0.15);
  margin-bottom: 8px;
}
.spl-seo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.spl-seo-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 4px;
}
.spl-seo-meta {
  font-size: 0.78rem;
  opacity: 0.75;
}
.spl-seo-cats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}
.spl-seo-cat {
  min-width: 0;
}
.spl-seo-cat h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}
.spl-seo-cat-desc {
  margin: 0 0 8px;
  font-size: 0.86rem;
  opacity: 0.82;
}
.spl-seo-cat-list {
  margin: 0;
  padding: 0 0 0 1.1em;
}
.spl-seo-cat-list li { margin: 0 0 4px; }
.spl-seo-explore {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.spl-seo-explore a { font-weight: 600; }
.spl-cat-intro {
  max-width: 1160px;
  margin: 8px auto 18px;
  padding: 0 16px;
}
.spl-cat-intro p { margin: 0 0 10px; max-width: 75ch; }
.spl-related-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.spl-related-inline {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(127, 127, 127, 0.25);
}
.spl-related-inline h2 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}
@media (max-width: 900px) {
  .spl-seo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spl-seo-cats { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .spl-seo-grid { grid-template-columns: 1fr; }
}