/* ===== PORTAFOLIO PAGE STYLES ===== */

/* FILTER BAR */
.gallery-section {
  background: var(--color-black);
}

.filter-bar {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 10px 24px;
  background: var(--color-dark2);
  color: var(--color-gray-light);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.filter-btn:hover {
  background: var(--color-dark3);
  color: var(--color-white);
  border-color: rgba(110,227,110,0.3);
}

.filter-btn.active {
  background: var(--color-green);
  color: var(--color-black);
  border-color: var(--color-green);
}

/* GALLERY GRID */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* GALLERY ITEM */
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  display: none;
}

.gallery-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 3/4;
  cursor: pointer;
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-img-wrap:hover img {
  transform: scale(1.08);
}

/* GALLERY OVERLAY */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1.25rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-img-wrap:hover .gallery-overlay {
  opacity: 1;
}

.gallery-info {
  flex: 1;
}

.gallery-cat {
  display: inline-block;
  background: var(--color-green);
  color: var(--color-black);
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.gallery-name {
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.gallery-expand {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: white;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 0.75rem;
}

.gallery-expand:hover {
  background: var(--color-green);
  color: var(--color-black);
  border-color: var(--color-green);
  transform: scale(1.1);
}

/* NO RESULTS */
.no-results {
  text-align: center;
  padding: 4rem;
  color: var(--color-gray);
  grid-column: 1 / -1;
}

.no-results i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--color-dark3);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.97);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(10px);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lightbox-content img {
  max-width: 85vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
  transition: opacity 0.2s ease;
}

.lightbox-content img.loading {
  opacity: 0.3;
}

.lightbox-caption {
  text-align: center;
  padding: 0 1rem;
}

.lightbox-caption h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.lightbox-caption p {
  color: var(--color-gray);
  font-size: 0.875rem;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: white;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.lightbox-close:hover {
  background: var(--color-green);
  color: var(--color-black);
  border-color: var(--color-green);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: white;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-green);
  color: var(--color-black);
  border-color: var(--color-green);
}

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-gray);
  font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .gallery-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  }
  
  .filter-btn {
    padding: 8px 18px;
    font-size: 0.8rem;
  }
  
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  
  .lightbox-content img {
    max-height: 65vh;
  }
}