/**
 * Slide Type : References
 * Slide 6 - Références & Cas
 */

.slide-references-container {
  width: 100%;
  max-width: var(--perennity-container-max-width);
  margin: 0 auto;
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--perennity-space-xl);
  margin-top: var(--perennity-space-2xl);
}

.reference-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;
}

.reference-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;
}

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

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

.reference-title {
  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-md);
  line-height: var(--perennity-line-tight);
  letter-spacing: -0.01em;
  opacity: 0.95;
}

.reference-description {
  font-size: var(--perennity-text-sm);
  color: var(--perennity-text-secondary);
  line-height: var(--perennity-line-relaxed);
  font-family: var(--perennity-font-body);
  margin-bottom: var(--perennity-space-md);
  opacity: 0.85;
}

.reference-year {
  display: inline-block;
  padding: var(--perennity-space-xs) var(--perennity-space-md);
  background: transparent;
  color: var(--perennity-accent);
  border: 1px solid var(--perennity-accent-light);
  border-radius: var(--perennity-radius-sm);
  font-size: var(--perennity-text-xs);
  font-weight: var(--perennity-weight-regular);
  font-family: var(--perennity-font-elegant);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.8;
}

.reference-type {
  display: inline-block;
  margin-left: var(--perennity-space-sm);
  padding: var(--perennity-space-xs) var(--perennity-space-md);
  background: transparent;
  color: var(--perennity-text-secondary);
  border-radius: var(--perennity-radius-sm);
  font-size: var(--perennity-text-xs);
  font-weight: var(--perennity-weight-regular);
  font-family: var(--perennity-font-body);
  border: 1px solid var(--perennity-border-subtle);
  opacity: 0.7;
  letter-spacing: 0.05em;
}

/* Dark Mode */
[data-theme="dark"] .reference-card,
.dark-mode .reference-card {
  background: var(--perennity-primary);
  border-color: var(--perennity-border-subtle);
}

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

[data-theme="dark"] .reference-type,
.dark-mode .reference-type {
  background: var(--perennity-primary);
  color: var(--perennity-accent-light);
  border-color: var(--perennity-border-subtle);
}

/* Responsive */
@media (max-width: 768px) {
  .references-grid {
    grid-template-columns: 1fr;
    gap: var(--perennity-space-lg);
  }
}