/* Portfolio Filter */
.portfolio-filter {
  padding-bottom: var(--space-lg);
}

.filter-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-btn {
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-dark-gray);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--color-medium-gray);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-purple-dark), var(--color-purple-light));
  color: var(--color-text);
}

/* Portfolio Grid */
.portfolio-grid {
  background-color: var(--color-bg);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1/1;
}

.portfolio-image {
  position: relative;
  width: 100%;
  height: 100%;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(18, 18, 18, 0.9), rgba(18, 18, 18, 0.3));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
}

/* Portfolio Modal */
.portfolio-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 18, 18, 0.95);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.portfolio-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-dark-gray);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.portfolio-modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-medium-gray);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
  z-index: 1;
}

.modal-close:hover {
  background-color: var(--color-light-gray);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.modal-image {
  padding: var(--space-md);
}

.modal-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.modal-details {
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
}

.modal-title {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--space-xs);
  color: var(--color-highlight);
}

.modal-client {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.8);
}

.modal-description p {
  margin-bottom: var(--space-md);
}

.modal-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.info-item h4 {
  font-size: var(--font-size-md);
  color: var(--color-highlight);
  margin-bottom: var(--space-xs);
}

.modal-results h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-highlight);
}

.modal-results ul {
  padding-left: var(--space-md);
  list-style-type: disc;
}

.modal-results li {
  margin-bottom: var(--space-xs);
}

/* Media Queries */
@media (max-width: 992px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-body {
    grid-template-columns: 1fr;
  }
  
  .modal-image {
    padding: var(--space-md) var(--space-md) 0;
  }
  
  .modal-details {
    padding: 0 var(--space-md) var(--space-md);
  }
  
  .modal-info {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

@media (max-width: 576px) {
  .grid {
    grid-template-columns: 1fr;
  }
  
  .filter-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .filter-btn {
    width: 100%;
    text-align: center;
  }
}