/* Portfolio Page Styles */
.portfolio-main {
  padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 20) 0;
}

.page-header {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 16);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-color);
  opacity: 0.7;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--spacing-unit) * 8);
  margin-bottom: calc(var(--spacing-unit) * 20);
  padding: calc(var(--spacing-unit) * 12) 0;
  background: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.stat {
  text-align: center;
  padding: calc(var(--spacing-unit) * 4);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.stat-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.8;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 16);
}

.filter-btn {
  background: transparent;
  border: 2px solid var(--secondary-color);
  color: var(--text-color);
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 6);
  border-radius: calc(var(--border-radius) * 0.7);
  font-family: var(--font-family);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.filter-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 8);
  margin-bottom: calc(var(--spacing-unit) * 20);
}

.portfolio-item {
  background: var(--card-background);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
  width: 100%;
  height: 250px;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.portfolio-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg,
      rgba(235, 26, 78, 0.1) 0%,
      rgba(196, 196, 196, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.category-badge {
  position: absolute;
  top: calc(var(--spacing-unit) * 3);
  left: calc(var(--spacing-unit) * 3);
  background: var(--primary-color);
  color: white;
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--border-radius) * 0.5);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  z-index: 2;
}

.portfolio-info {
  padding: calc(var(--spacing-unit) * 6);
}

.portfolio-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--text-color);
}

.portfolio-description {
  font-size: 0.95rem;
  color: var(--text-color);
  opacity: 0.7;
  line-height: 1.5;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.portfolio-features {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
}

.feature-tag {
  background: var(--background-color);
  color: var(--text-color);
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--border-radius) * 0.4);
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.8;
}

.portfolio-cta {
  text-align: center;
  background: var(--card-background);
  padding: calc(var(--spacing-unit) * 16);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.portfolio-cta h2 {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 4);
  color: var(--text-color);
}

.portfolio-cta p {
  font-size: 1.1rem;
  color: var(--text-color);
  opacity: 0.7;
  margin-bottom: calc(var(--spacing-unit) * 8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 4);
  flex-wrap: wrap;
}

/* Featured Portfolio Items */
.portfolio-item.featured {
  grid-column: span 2;
}

.portfolio-item.featured .portfolio-image {
  height: 300px;
}

.portfolio-item.featured::after {
  content: '⭐ Featured';
  position: absolute;
  top: calc(var(--spacing-unit) * 3);
  right: calc(var(--spacing-unit) * 3);
  background: #ffd700;
  color: #333;
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--border-radius) * 0.5);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

/* Animation for portfolio items */
.portfolio-item {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
  transform: translateY(30px);
}

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

/* Staggered animation delay */
.portfolio-item:nth-child(1) {
  animation-delay: 0.1s;
}

.portfolio-item:nth-child(2) {
  animation-delay: 0.2s;
}

.portfolio-item:nth-child(3) {
  animation-delay: 0.3s;
}

.portfolio-item:nth-child(4) {
  animation-delay: 0.4s;
}

.portfolio-item:nth-child(5) {
  animation-delay: 0.5s;
}

.portfolio-item:nth-child(6) {
  animation-delay: 0.6s;
}

/* Responsive Design */
@media (max-width: 968px) {
  .portfolio-item.featured {
    grid-column: span 1;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 6);
  }

  .portfolio-stats {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 8) 0;
  }

  .stat-number {
    font-size: 2rem;
  }

  .portfolio-filters {
    gap: calc(var(--spacing-unit) * 3);
  }

  .filter-btn {
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    font-size: 0.9rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .portfolio-cta h2 {
    font-size: 1.8rem;
  }

  .portfolio-cta {
    padding: calc(var(--spacing-unit) * 12);
  }
}

@media (max-width: 480px) {
  .portfolio-main {
    padding: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 16) 0;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }

  .portfolio-cta {
    padding: calc(var(--spacing-unit) * 8);
  }

  .portfolio-cta h2 {
    font-size: 1.5rem;
  }
}