/* ============================================================
   12. FAQ — accordion. Height animated via a max-height
   transition; JS only toggles .is-open + aria-expanded.
   ============================================================ */

.faq {
  background: var(--color-bg-base);
}

.faq__grid {
  display: grid;
  gap: var(--space-7);
}

.faq .eyebrow {
  color: var(--color-accent-primary-hover);
  margin-bottom: var(--space-5);
}

.faq__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: 100%;
  text-align: left;
  padding-block: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: 500;
  color: var(--color-text-body);
}

.faq__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent-primary-hover);
  transition: transform var(--duration-base) var(--ease-soft);
}

.faq__item.is-open .faq__chevron {
  transform: rotate(180deg);
}

/* max-height transition, not grid-template-rows 0fr→1fr: fr tracks on an
   auto-sized grid container are sized against their content's intrinsic
   minimum for the container's own intrinsic-size computation (CSS Grid
   sizing algorithm), so 0fr measured ~32px instead of 0 here in practice
   — max-height is less elegant but reliably collapses to 0. */
.faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--duration-base) var(--ease-out);
}

.faq__item.is-open .faq__answer {
  max-height: 240px;
}

.faq__answer > p {
  padding-bottom: var(--space-6);
  max-width: 62ch;
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .faq__grid {
    grid-template-columns: 320px 1fr;
    gap: var(--space-9);
  }
}