/* ==========================================================================
   TOC block
   ========================================================================== */
.toc {
  background: var(--color-bg-dark);
  border-radius: var(--radius-card);
  padding: 1.25rem clamp(1rem, 3vw, 1.5rem);
  margin-block: var(--space-section);
}
.toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-heading-gold);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
}
.toc__toggle-icon { transition: transform var(--transition-base); }
.toc__toggle[aria-expanded="false"] .toc__toggle-icon { transform: rotate(-90deg); }

.toc__list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-left: 0.25rem;
  overflow: hidden;
}
.toc__list[hidden] { display: none; }
.toc__list a {
  color: var(--color-text-main);
  font-size: var(--fs-small);
  display: inline-flex;
  gap: 0.5rem;
}
.toc__list a::before { content: "→"; color: var(--color-heading-gold); }
.toc__list a:hover { color: var(--color-heading-gold); }