/* Case Studies Styling */

/* Filter Buttons */
.filter-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: 2px solid rgba(100, 116, 139, 0.3);
  background: rgba(17, 24, 39, 0.6);
  color: #9ca3af;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.filter-btn:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.1);
  color: #22d3ee;
  transform: translateY(-2px);
}

.filter-btn.active {
  border-color: #22d3ee;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(139, 92, 246, 0.2));
  color: #22d3ee;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
}

/* Case Study Cards */
.case-study-card {
  transition: all 0.3s ease;
  cursor: pointer;
  overflow: hidden;
}

.case-study-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Line clamp utility */
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Feature Badge */
.feature-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(100, 116, 139, 0.3);
  color: #d1d5db;
  font-size: 0.875rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

/* Case Study Page Specifics */
.case-study-page .card {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(100, 116, 139, 0.2);
  backdrop-filter: blur(12px);
}

.case-study-page .card:hover {
  border-color: rgba(34, 211, 238, 0.3);
}

/* Metric Cards */
.case-study-page .metric-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(100, 116, 139, 0.2);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.case-study-page .metric-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: scale(1.05);
}

/* Icon Gradients */
.case-study-card .bg-gradient-to-br {
  background: linear-gradient(135deg, var(--from-color), var(--to-color));
}

/* Color Variables for Icons */
.case-study-card[data-color="blue"] {
  --from-color: #3b82f6;
  --to-color: #1d4ed8;
}

.case-study-card[data-color="orange"] {
  --from-color: #f97316;
  --to-color: #ea580c;
}

.case-study-card[data-color="purple"] {
  --from-color: #a855f7;
  --to-color: #7c3aed;
}

.case-study-card[data-color="red"] {
  --from-color: #ef4444;
  --to-color: #dc2626;
}

.case-study-card[data-color="green"] {
  --from-color: #10b981;
  --to-color: #059669;
}

.case-study-card[data-color="cyan"] {
  --from-color: #06b6d4;
  --to-color: #0891b2;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  .case-study-card {
    margin-bottom: 1rem;
  }
  
  .case-study-page .grid {
    grid-template-columns: 1fr;
  }
}

/* Fade-in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Stagger animation for cards */
.case-study-card:nth-child(1) {
  animation-delay: 0.1s;
}

.case-study-card:nth-child(2) {
  animation-delay: 0.2s;
}

.case-study-card:nth-child(3) {
  animation-delay: 0.3s;
}

.case-study-card:nth-child(4) {
  animation-delay: 0.4s;
}

.case-study-card:nth-child(5) {
  animation-delay: 0.5s;
}

.case-study-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Print Styles */
@media print {
  .filter-btn,
  .case-study-page nav,
  .case-study-page section:last-child {
    display: none;
  }
  
  .case-study-page .card {
    border: 1px solid #000;
    box-shadow: none;
  }
  
  .case-study-page {
    color: #000;
    background: #fff;
  }
}