/** FAQ section — two-column card accordion. */
.faq {
  background: var(--color-section);
}

.faq__header {
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.faq__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 1.35rem + 1.6vw, 2.65rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-dark);
}

.faq__title-accent {
  display: inline;
  color: var(--color-primary);
}

.faq__lead {
  margin-top: var(--space-3);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.faq .accordion--faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

@media (min-width: 768px) {
  .faq .accordion--faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }
}

.faq .accordion__item {
  border: 1px solid rgba(220, 232, 240, 0.85);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: 0 4px 20px rgba(34, 58, 72, 0.06);
  overflow: hidden;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.faq .accordion__item:hover {
  border-color: rgba(31, 163, 220, 0.35);
  box-shadow: 0 8px 28px rgba(34, 58, 72, 0.08);
}

.faq .accordion__item.is-open {
  border-color: rgba(31, 163, 220, 0.45);
  box-shadow: 0 10px 32px rgba(31, 163, 220, 0.1);
}

.faq .accordion__trigger {
  padding: clamp(1.1rem, 2.5vw, 1.35rem) clamp(1.15rem, 2.5vw, 1.5rem);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-dark);
}

.faq .accordion__question {
  flex: 1;
  padding-right: var(--space-3);
}

.faq .accordion__toggle {
  position: relative;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  color: var(--color-text-muted);
}

.faq .accordion__icon--close {
  position: absolute;
  opacity: 0;
  transform: scale(0.85);
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.faq .accordion__icon--plus {
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.faq .accordion__item.is-open .accordion__icon--plus {
  opacity: 0;
  transform: rotate(90deg) scale(0.85);
}

.faq .accordion__item.is-open .accordion__icon {
  transform: none;
}

.faq .accordion__item.is-open .accordion__icon--close {
  opacity: 1;
  transform: scale(1);
  color: var(--color-primary);
}

.faq .accordion__content {
  padding: 0 clamp(1.15rem, 2.5vw, 1.5rem) clamp(1.15rem, 2.5vw, 1.5rem);
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.faq .accordion__content p {
  margin: 0;
}

.faq .accordion__content p + p {
  margin-top: var(--space-3);
}

.faq .accordion__item.is-open .accordion__panel:not([hidden]) .accordion__content {
  padding-top: var(--space-4);
}