/**
 * BYD Shares and Stocks - FAQ Page Styles
 * 
 * Styles specific to the FAQ page (faq.html).
 * Includes: Hero, accordions, categories, support section
 */

/* ============================================
   1. FAQ HERO
   ============================================ */
.faq-hero {
  padding-top: calc(var(--header-height) + var(--space-16));
}

.faq-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
  justify-content: center;
}

.category-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.category-link:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ============================================
   2. FAQ SECTIONS
   ============================================ */
.faq-section {
  padding: var(--space-16) 0;
}

.faq-section .section-header {
  margin-bottom: var(--space-10);
}

/* ============================================
   3. ACCORDION STYLES
   ============================================ */
.accordion-group {
  max-width: 100%;
}

.accordion-item {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: var(--transition-normal);
}

.accordion-item:hover {
  border-color: var(--color-border-medium);
}

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

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.accordion-header span {
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  flex: 1;
  padding-right: var(--space-4);
}

.accordion-header svg {
  color: var(--color-text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.accordion-item.is-open .accordion-header svg {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.accordion-item.is-open .accordion-content {
  max-height: 500px;
  padding: 0 var(--space-6) var(--space-5);
}

.accordion-content p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   4. CONTACT SUPPORT SECTION
   ============================================ */
.contact-support {
  background-color: var(--color-bg-secondary);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.support-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 700px;
  margin: 0 auto;
}

.support-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-normal);
}

.support-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.support-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-gradient-2));
  border-radius: var(--radius-full);
  color: white;
  margin-bottom: var(--space-4);
}

.support-card h4 {
  font-size: var(--text-h5);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.support-card p {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.support-availability {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--text-body-xs);
  color: var(--color-text-muted);
}

/* ============================================
   5. RESPONSIVE STYLES
   ============================================ */
@media (max-width: 768px) {
  .faq-categories {
    justify-content: flex-start;
  }
  
  .support-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .accordion-header {
    padding: var(--space-4);
  }
  
  .accordion-item.is-open .accordion-content {
    padding: 0 var(--space-4) var(--space-4);
  }
  
  .accordion-header span {
    font-size: var(--text-body-sm);
  }
}