/**
 * AVENIX Venture - FAQ Accordion
 * Accessible, touch-first disclosure component for AI & SEO FAQ schemas
 */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  min-height: 58px;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
}

.faq-question {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  line-height: 1.35;
  margin-bottom: 0;
}

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-base), background-color var(--transition-fast), color var(--transition-fast);
}

.faq-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary-alpha);
  color: var(--color-primary);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease-out;
}

.faq-item.is-open .faq-panel {
  max-height: 500px;
}

.faq-answer {
  padding: 0 var(--space-5) var(--space-5) var(--space-5);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-body);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}