/* Chapters 02–04 follow the original reading-notes heading. */
/* Scoped to the existing homepage reading section. */
.chapter:not(.chapter-reading) .chapter-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 24px 40px;
  margin-bottom: 28px;
}
.chapter:not(.chapter-reading) .chapter-heading-copy { min-width: 0; }
.chapter:not(.chapter-reading) .chapter-heading h2 {
  gap: 22px;
  align-items: center;
  font-size: clamp(36px, 3.4vw, 42px);
  line-height: 1.35;
}
.chapter:not(.chapter-reading) .chapter-heading h2 > .chapter-index {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 0 0 22px;
  align-self: stretch;
  justify-content: center;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0;
}
.chapter:not(.chapter-reading) .chapter-index .chapter-slash {
  color: var(--link);
  font-size: 20px;
  font-weight: 400;
}
.chapter:not(.chapter-reading) .chapter-intro {
  margin: 12px 0 0 44px;
  max-width: 34em;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.chapter:not(.chapter-reading) .chapter-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  padding-top: 4px;
}
.chapter:not(.chapter-reading) .chapter-actions .chapter-link { font-size: 18px; gap: 12px; }
.chapter:not(.chapter-reading) .chapter-actions .secondary-link { font-size: 15px; min-height: 36px; }
@media (max-width: 1000px) {
  .chapter:not(.chapter-reading) .chapter-heading { gap: 20px 24px; }
  .chapter:not(.chapter-reading) .chapter-intro { font-size: 16px; }
  .chapter:not(.chapter-reading) .chapter-actions .chapter-link { font-size: 17px; gap: 8px; }
}
@media (max-width: 680px) {
  .chapter:not(.chapter-reading) .chapter-heading { grid-template-columns: 1fr; gap: 16px; margin-bottom: 28px; }
  .chapter:not(.chapter-reading) .chapter-heading h2 { font-size: 30px; gap: 16px; }
  .chapter:not(.chapter-reading) .chapter-heading h2 > .chapter-index { flex-basis: 20px; font-size: 16px; }
  .chapter:not(.chapter-reading) .chapter-intro { margin-left: 36px; font-size: 16px; }
  .chapter:not(.chapter-reading) .chapter-actions { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px 24px; padding-top: 0; margin-left: 36px; }
  .chapter:not(.chapter-reading) .chapter-actions .chapter-link { font-size: 16px; }
  .chapter:not(.chapter-reading) .chapter-actions .secondary-link { font-size: 14px; }
}