/* === PORTFOLIO PAGE STYLES === */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.portfolio-filters .btn {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.portfolio-filters .btn.active,
.portfolio-filters .btn:hover {
  background-color: var(--primary);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.portfolio-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

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

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}