/**
 * Composants Interactions - PERENNITY
 * FAQ, CTA, Pricing élégants (LOT 7)
 */

/* ============================================
   FAQ ACCORDION
   ============================================ */

.faq-accordion {
  margin-top: var(--perennity-space-2xl);
}

.faq-item {
  background: var(--perennity-bg-card);
  border: 1px solid var(--perennity-border);
  border-radius: var(--perennity-radius-sm);
  margin-bottom: var(--perennity-space-md);
  overflow: hidden;
  transition: all var(--perennity-transition-slow);
  box-shadow: 0 1px 3px rgba(26, 37, 47, 0.04);
}

.faq-item:hover {
  border-color: var(--perennity-border-accent);
  box-shadow: 0 2px 12px rgba(26, 37, 47, 0.06);
}

.faq-item.faq-item-open {
  border-color: var(--perennity-border-accent);
  box-shadow: 0 4px 20px rgba(26, 37, 47, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--perennity-space-md);
  padding: var(--perennity-space-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--perennity-transition-normal);
  font-family: var(--perennity-font-body);
}

.faq-question:hover {
  background: var(--perennity-accent-subtle);
}

.faq-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--perennity-accent);
  font-size: var(--perennity-text-sm);
  transition: transform var(--perennity-transition-slow);
  flex-shrink: 0;
  opacity: 0.7;
}

.faq-item-open .faq-icon {
  transform: rotate(90deg);
  opacity: 1;
}

.faq-question h4 {
  font-family: var(--perennity-font-elegant);
  font-size: var(--perennity-text-base);
  font-weight: var(--perennity-weight-semibold);
  color: var(--perennity-text-primary);
  margin: 0;
  flex: 1;
  line-height: var(--perennity-line-tight);
  letter-spacing: -0.01em;
  opacity: 0.95;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--perennity-transition-slow), padding var(--perennity-transition-normal);
  padding: 0 var(--perennity-space-lg);
}

.faq-item-open .faq-answer {
  max-height: 500px;
  padding: 0 var(--perennity-space-lg) var(--perennity-space-lg);
}

.faq-answer p {
  font-size: var(--perennity-text-sm);
  color: var(--perennity-text-secondary);
  line-height: var(--perennity-line-relaxed);
  font-family: var(--perennity-font-body);
  margin: 0;
  opacity: 0.85;
}

/* ============================================
   CTA CONTAINER
   ============================================ */

.cta-container {
  text-align: center;
  padding: var(--perennity-space-3xl);
  background: transparent;
  border: 1px solid var(--perennity-border-subtle);
  border-radius: var(--perennity-radius-sm);
  margin-top: var(--perennity-space-2xl);
  position: relative;
  overflow: hidden;
}

.cta-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--perennity-accent-light), transparent);
  opacity: 0.5;
}

.cta-title {
  font-family: var(--perennity-font-elegant);
  font-size: var(--perennity-text-3xl);
  font-weight: var(--perennity-weight-semibold);
  color: var(--perennity-text-primary);
  margin-bottom: var(--perennity-space-md);
  line-height: var(--perennity-line-tight);
  letter-spacing: -0.02em;
  opacity: 0.95;
}

.cta-subtitle {
  font-family: var(--perennity-font-elegant);
  font-size: var(--perennity-text-lg);
  font-weight: var(--perennity-weight-regular);
  color: var(--perennity-text-secondary);
  font-style: italic;
  margin-bottom: var(--perennity-space-lg);
  letter-spacing: 0.02em;
  opacity: 0.85;
}

.cta-message {
  font-size: var(--perennity-text-base);
  color: var(--perennity-text-secondary);
  line-height: var(--perennity-line-relaxed);
  font-family: var(--perennity-font-body);
  margin-bottom: var(--perennity-space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.85;
}

.cta-actions {
  display: flex;
  gap: var(--perennity-space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--perennity-space-2xl);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--perennity-space-xs);
  padding: var(--perennity-space-md) var(--perennity-space-2xl);
  border-radius: var(--perennity-radius-sm);
  font-size: var(--perennity-text-sm);
  font-weight: var(--perennity-weight-regular);
  font-family: var(--perennity-font-body);
  text-decoration: none;
  transition: all var(--perennity-transition-slow);
  white-space: nowrap;
  border: 1px solid transparent;
  letter-spacing: 0.05em;
}

.cta-button-primary {
  background: transparent;
  color: var(--perennity-accent);
  border-color: var(--perennity-accent-light);
}

.cta-button-primary:hover {
  background: var(--perennity-accent-subtle);
  color: var(--perennity-accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.cta-button-secondary {
  background: transparent;
  color: var(--perennity-text-primary);
  border-color: var(--perennity-border);
}

.cta-button-secondary:hover {
  background: var(--perennity-bg-primary);
  border-color: var(--perennity-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.cta-button svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.5;
}

.cta-contact {
  margin-top: var(--perennity-space-xl);
  padding-top: var(--perennity-space-lg);
  border-top: 1px solid var(--perennity-border-subtle);
  font-size: var(--perennity-text-sm);
  color: var(--perennity-text-secondary);
  font-family: var(--perennity-font-body);
  font-style: italic;
  opacity: 0.75;
  letter-spacing: 0.02em;
}

.cta-contact p {
  margin: var(--perennity-space-xs) 0;
}

.cta-contact strong {
  color: var(--perennity-text-primary);
  font-weight: var(--perennity-weight-semibold);
}

/* ============================================
   PRICING GRID
   ============================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--perennity-space-xl);
  margin-top: var(--perennity-space-2xl);
}

.pricing-card {
  background: var(--perennity-bg-card);
  border: 1px solid var(--perennity-border);
  border-radius: var(--perennity-radius-sm);
  padding: var(--perennity-space-xl);
  box-shadow: 0 1px 3px rgba(26, 37, 47, 0.04);
  transition: all var(--perennity-transition-slow);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--perennity-accent-light), transparent);
  transform: scaleX(0);
  transition: transform var(--perennity-transition-slow);
  opacity: 0.5;
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(26, 37, 47, 0.08);
  border-color: var(--perennity-border-accent);
}

.pricing-card:hover::before {
  transform: scaleX(1);
}

.pricing-name {
  font-family: var(--perennity-font-elegant);
  font-size: var(--perennity-text-xl);
  font-weight: var(--perennity-weight-semibold);
  color: var(--perennity-text-primary);
  margin-bottom: var(--perennity-space-sm);
  line-height: var(--perennity-line-tight);
  letter-spacing: -0.01em;
  opacity: 0.95;
}

.pricing-duration {
  font-size: var(--perennity-text-xs);
  color: var(--perennity-text-secondary);
  font-family: var(--perennity-font-body);
  margin-bottom: var(--perennity-space-md);
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.pricing-investment {
  font-size: var(--perennity-text-2xl);
  font-weight: var(--perennity-weight-regular);
  color: var(--perennity-accent);
  font-family: var(--perennity-font-elegant);
  margin-bottom: var(--perennity-space-lg);
  line-height: var(--perennity-line-tight);
  opacity: 0.9;
  letter-spacing: 0.02em;
}

.pricing-scope {
  font-size: var(--perennity-text-base);
  color: var(--perennity-text-secondary);
  font-family: var(--perennity-font-body);
  margin-bottom: var(--perennity-space-lg);
  line-height: var(--perennity-line-relaxed);
  font-style: italic;
}

.pricing-description {
  font-size: var(--perennity-text-sm);
  color: var(--perennity-text-muted);
  font-family: var(--perennity-font-body);
  margin-bottom: var(--perennity-space-lg);
  flex: 1;
}

.pricing-deliverables {
  list-style: none;
  padding: 0;
  margin: var(--perennity-space-lg) 0 0 0;
}

.pricing-deliverables li {
  font-size: var(--perennity-text-sm);
  color: var(--perennity-text-secondary);
  padding: var(--perennity-space-xs) 0;
  padding-left: var(--perennity-space-md);
  position: relative;
  font-family: var(--perennity-font-body);
  line-height: var(--perennity-line-relaxed);
}

.pricing-deliverables li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--perennity-accent-light);
  font-weight: var(--perennity-weight-medium);
  font-family: var(--perennity-font-elegant);
  opacity: 0.6;
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] .faq-item,
[data-theme="dark"] .pricing-card,
.dark-mode .faq-item,
.dark-mode .pricing-card {
  background: var(--perennity-primary);
  border-color: var(--perennity-border-subtle);
}

[data-theme="dark"] .faq-item:hover,
[data-theme="dark"] .pricing-card:hover,
.dark-mode .faq-item:hover,
.dark-mode .pricing-card:hover {
  background: var(--perennity-bg-primary);
  border-color: var(--perennity-border);
}

[data-theme="dark"] .faq-question:hover,
.dark-mode .faq-question:hover {
  background: var(--perennity-primary);
}

[data-theme="dark"] .cta-container,
.dark-mode .cta-container {
  background: var(--perennity-primary);
}

[data-theme="dark"] .cta-button-secondary:hover,
.dark-mode .cta-button-secondary:hover {
  background: var(--perennity-primary);
  border-color: var(--perennity-accent-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .cta-button {
    width: 100%;
    justify-content: center;
  }
  
  .cta-title {
    font-size: var(--perennity-text-3xl);
  }
  
  .cta-container {
    padding: var(--perennity-space-2xl);
  }
}