/* ============================================
   LOGICPIXELS — PORTFOLIO CSS
   ============================================ */

/* ========== FILTERS ========== */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

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

.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ========== PORTFOLIO MASONRY ========== */
.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

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

.portfolio-item-overlay .category-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.portfolio-item-overlay h3 {
  font-size: 1.2rem;
  color: white;
  font-weight: 700;
  margin-bottom: 8px;
}

.portfolio-item-overlay p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: 12px;
}

.portfolio-item-overlay .kpi-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.portfolio-item-overlay .view-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}

.portfolio-item-overlay .view-link:hover {
  color: var(--accent-light);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .portfolio-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .portfolio-masonry {
    grid-template-columns: 1fr;
  }

  .filter-btn {
    padding: 8px 18px;
    font-size: 0.82rem;
  }
}