.portfolio-page { padding-top: 100px; min-height: 100vh; }

.portfolio-hero {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}
.portfolio-hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.portfolio-hero p {
  font-size: 1.2rem; color: rgba(255, 255, 255, 0.8);
  max-width: 600px; margin: 0 auto;
}

.portfolio-filters {
  display: flex; justify-content: center; gap: 1rem; margin: 3rem 0; flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px; border: 2px solid var(--primary-color); background: transparent;
  color: var(--primary-color); border-radius: var(--border-radius); cursor: pointer;
  transition: var(--transition); font-weight: 600;
}
.filter-btn.active, .filter-btn:hover { background: var(--primary-color); color: var(--white); }

.portfolio-main { padding: 3rem 0; }

.portfolio-grid-full {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem;
}

.portfolio-card {
  background: var(--white); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-light); transition: var(--transition); opacity: 1; transform: scale(1);
}
.portfolio-card.hidden { opacity: 0; transform: scale(0.8); pointer-events: none; }
.portfolio-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-heavy); }

.portfolio-card-image { position: relative; height: 250px; overflow: hidden; }
.portfolio-card-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.portfolio-card:hover .portfolio-card-image img { transform: scale(1.1); }

.portfolio-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(45deg, rgba(255, 107, 53, 0.9), rgba(66, 153, 225, 0.9));
  display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition);
}
.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }

.portfolio-card-content { padding: 1.5rem; }
.portfolio-card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--text-dark); }
.portfolio-card-category { color: var(--primary-color); font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; }
.portfolio-card p { color: var(--text-light); margin-bottom: 1.5rem; font-size: 0.95rem; }

.portfolio-card-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.portfolio-tag { background: var(--light-color); color: var(--text-dark); padding: 4px 10px; border-radius: 15px; font-size: 0.8rem; font-weight: 500; }

.portfolio-card-actions { display: flex; gap: 1rem; }
.card-action-btn {
  flex: 1; text-align: center; padding: 8px 16px; border-radius: var(--border-radius);
  text-decoration: none; font-weight: 600; transition: var(--transition);
}
.view-details { background: var(--primary-color); color: var(--white); }
.view-details:hover { background: #e55a2b; }
.view-live { background: var(--secondary-color); color: var(--white); }
.view-live:hover { background: #3182ce; }

.load-more { text-align: center; margin-top: 3rem; }

@media (max-width: 768px) {
  .portfolio-hero h1 { font-size: 2rem; }
  .portfolio-grid-full { grid-template-columns: 1fr; }
  .portfolio-filters { flex-direction: column; align-items: center; }
}