/* ============================================
   FAQ Fusion - Accordéon Vertical avec Icônes
   Style : Accordéon épuré avec animation smooth
   ============================================ */

/* ============================================
   Section Container
   ============================================ */

.faq-section-fusion {
  padding: var(--spacing-xxl) 0;
  background: var(--color-bg);
}

.faq-section-fusion .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-container);
}

/* ============================================
   Section Title (cohérent avec les autres sections)
   ============================================ */

.faq-section-fusion .section-title-fusion {
  font-family: var(--font-family-bold);
  font-size: var(--font-size-h2);
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
  padding-bottom: calc(var(--spacing-sm) + 2px);
}

.faq-section-fusion .section-title-fusion .subtitle {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-light);
  text-transform: none;
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.faq-section-fusion .section-title-fusion::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: rgba(211, 51, 67, 0.8);
  margin: var(--spacing-sm) auto 0 auto;
  transition: width var(--transition-base), background var(--transition-base);
}

.faq-section-fusion .section-title-fusion:hover::after {
  width: 80px;
  background: rgba(211, 51, 67, 1);
}

/* ============================================
   FAQ Filters (Catégories)
   ============================================ */

.faq-filters-fusion {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.faq-filter-btn-fusion {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.faq-filter-btn-fusion:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.faq-filter-btn-fusion.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-bold);
}

/* ============================================
   FAQ Container
   ============================================ */

.faq-container-fusion {
  max-width: 900px;
  margin: 0 auto;
}

/* ============================================
   FAQ Item (Accordéon)
   ============================================ */

.faq-item-fusion {
  margin-bottom: var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  opacity: 1;
  transform: translateY(0);
}

/* Masquer les items filtrés */
.faq-item-fusion.hidden {
  display: none;
}

/* Animation pour les items qui apparaissent */
.faq-item-fusion.fade-in {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Bordure rouge à gauche quand actif */
.faq-item-fusion::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.faq-item-fusion.active::before {
  width: 4px;
}

/* Hover sur item fermé */
.faq-item-fusion:hover:not(.active) {
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

/* Item actif */
.faq-item-fusion.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* ============================================
   FAQ Question (Header)
   ============================================ */

.faq-question-fusion {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  user-select: none;
  gap: var(--spacing-md);
  transition: background-color var(--transition-base);
}

.faq-question-fusion:hover {
  background-color: var(--color-bg-light);
}

.faq-item-fusion.active .faq-question-fusion {
  background-color: rgba(211, 51, 67, 0.05);
}

/* Icône Material Icons */
.faq-icon-fusion {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: var(--border-radius-circle);
  color: var(--color-primary);
  font-family: 'Material Icons';
  font-size: 24px;
  transition: all var(--transition-base);
}

.faq-item-fusion.active .faq-icon-fusion {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: rotate(180deg);
}

/* Texte de la question */
.faq-question-text-fusion {
  flex: 1;
  font-family: var(--font-family-bold);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

.faq-item-fusion.active .faq-question-text-fusion {
  color: var(--color-primary);
}

/* Icône chevron (expand/collapse) */
.faq-chevron-fusion {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-family: 'Material Icons';
  font-size: 20px;
  transition: transform var(--transition-base), color var(--transition-base);
}

.faq-item-fusion.active .faq-chevron-fusion {
  transform: rotate(180deg);
  color: var(--color-primary);
}

/* ============================================
   FAQ Answer (Content)
   ============================================ */

.faq-answer-fusion {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding var(--transition-base);
  padding: 0 var(--spacing-lg);
}

.faq-item-fusion.active .faq-answer-fusion {
  max-height: 1000px; /* Valeur suffisamment grande pour le contenu */
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

.faq-answer-content-fusion {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  padding-left: calc(40px + var(--spacing-md)); /* Alignement avec le texte de la question */
}

.faq-answer-content-fusion p {
  margin: 0 0 var(--spacing-sm) 0;
}

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

.faq-answer-content-fusion a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.faq-answer-content-fusion a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ============================================
   Responsive
   ============================================ */

@media screen and (max-width: 768px) {
  .faq-section-fusion {
    padding: var(--spacing-xl) 0;
  }
  
  .faq-filters-fusion {
    gap: var(--spacing-xs);
    padding: 0;
  }
  
  .faq-filter-btn-fusion {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8125rem;
  }
  
  .faq-container-fusion {
    padding: 0 var(--spacing-sm);
  }
  
  .faq-question-fusion {
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .faq-icon-fusion {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
  
  .faq-question-text-fusion {
    font-size: var(--font-size-small);
  }
  
  .faq-answer-content-fusion {
    padding-left: calc(36px + var(--spacing-sm));
    font-size: var(--font-size-small);
  }
  
  .faq-item-fusion.active .faq-answer-fusion {
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
  }
}

@media screen and (max-width: 480px) {
  .faq-question-fusion {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .faq-icon-fusion {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
  
  .faq-chevron-fusion {
    width: 20px;
    height: 20px;
    font-size: 18px;
  }
  
  .faq-answer-content-fusion {
    padding-left: calc(32px + var(--spacing-xs));
  }
}