.container { width: min(var(--ic-container), calc(100% - 2rem)); margin-inline: auto; }
.home-section { margin-block: var(--ic-section-gap); }
.card-grid, .hero-grid, .editorial-layout { display: grid; gap: var(--ic-grid-gap); }
.card-grid > *, .hero-grid > *, .editorial-layout > * { min-width: 0; }
.hero-secondary { display: grid; gap: var(--ic-md); align-content: start; }
.hero-grid > :only-child { grid-column: 1 / -1; max-width: 900px; }
.listing-page, .reading-page { padding-block: var(--ic-xl) var(--ic-2xl); }
.page-heading { margin-bottom: var(--ic-xl); }
.page-heading h1 { max-width: 1000px; }
.page-heading .search-form { max-width: 600px; margin-top: var(--ic-lg); }
.reading-width { width: min(100%, var(--ic-reading)); margin-inline: auto; }
.article-heading h1 { font-size: clamp(2.15rem, 4vw, 3.5rem); line-height: 1.12; }
.article-heading .entry-meta { padding-top: .5rem; }
.article-heading { padding-block: var(--ic-sm) var(--ic-xl); }
.article-image { margin: 0 auto var(--ic-xl); max-width: 1100px; }
.article-image img { width: 100%; height: auto; }
.article-image figcaption { color: var(--ic-muted); font-size: .85rem; margin-top: .7rem; }
.article-footer, .comments-area { margin-top: var(--ic-xl); }
.related-section { border-top: 1px solid var(--ic-border); padding-top: var(--ic-lg); }
.editorial-layout { margin-block: var(--ic-section-gap); align-items: start; }
.editorial-layout .home-section { margin-block: 0 var(--ic-lg); }
.editorial-sidebar { min-width: 0; }
.error-page { max-width: 800px; padding-block: var(--ic-2xl); min-height: 55vh; }
.error-page .search-form { margin-block: var(--ic-lg); }
@media (min-width: 600px) {
  .container { width: min(var(--ic-container), calc(100% - 3rem)); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-secondary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); gap: var(--ic-lg); }
  .hero-secondary { grid-template-columns: 1fr; border-left: 1px solid var(--ic-border); padding-left: var(--ic-lg); }
  .hero-secondary .card-image { aspect-ratio: 2 / 1; }
  .card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .editorial-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: var(--ic-lg); }
}
@media (min-width: 1200px) {
  .card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .editorial-layout { grid-template-columns: minmax(0, 1fr) 300px; }
}

/* Single-post composition: reading measure inside a wider editorial image. */
.single-post .reading-page { padding-top: clamp(2rem, 4vw, 3rem); }
.single-post .article-heading { padding-block: 0 var(--ic-lg); }
.single-post .article-heading h1 { max-width: 24ch; margin-block: .35em .45em; font-size: clamp(2.15rem, 3.8vw, 3.35rem); }
.single-post .article-deck { color: var(--ic-muted); font-size: clamp(1.0625rem, 1.6vw, 1.25rem); line-height: 1.6; margin-bottom: 1.25rem; }
.single-post .article-heading .entry-meta { padding-top: .25rem; }
.single-post .article-image { margin-bottom: clamp(2rem, 4vw, 3rem); }
/* Crop only the featured image; intrinsic attributes and responsive sources remain intact. */
.single-post .article-image img { aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--ic-radius); }
.single-post .article-image figcaption { max-width: var(--ic-reading); margin-inline: auto; line-height: 1.5; }
.single-post .related-section { max-width: 1100px; margin-inline: auto; border-top: 0; padding-top: 0; }
.single-post .related-section .card-title { font-size: clamp(1.3rem, 1.8vw, 1.5rem); }
.single-post .related-section .card-excerpt { font-size: .875rem; }