/**
 * SHREE KUMAWAT JODPUR STONE
 * Gallery & Lightbox Styles
 */

/* -----------------------------------------------------------------------------
 * Filter Tabs
 * -------------------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  color: var(--color-charcoal-deep);
  padding: 0.6rem 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-sandstone-warm);
  color: var(--color-sandstone-warm);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--color-sandstone-warm);
  border-color: var(--color-sandstone-warm);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(198, 139, 89, 0.3);
}

/* -----------------------------------------------------------------------------
 * Gallery Grid
 * -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
  background-color: var(--color-charcoal-surface);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.08);
}

.gallery-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2rem 1.5rem 1.25rem;
  background: linear-gradient(to top, rgba(17, 20, 24, 0.95) 0%, rgba(17, 20, 24, 0.4) 60%, transparent 100%);
  color: var(--color-white);
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.gallery-item:hover .gallery-caption-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-category-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold-bright);
  margin-bottom: 0.35rem;
}

.gallery-title {
  font-family: var(--font-serif-display);
  font-size: 1.15rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.gallery-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

/* -----------------------------------------------------------------------------
 * Lightbox Modal
 * -------------------------------------------------------------------------- */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 12, 15, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
}

.lightbox-caption {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--color-white);
}

.lightbox-title {
  font-family: var(--font-serif-display);
  font-size: 1.35rem;
  color: var(--color-gold-bright);
  margin-bottom: 0.35rem;
}

.lightbox-sub {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
}

.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: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 2010;
}

.lightbox-close:hover {
  background: var(--color-gold);
  color: var(--color-charcoal-pure);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 2010;
}

.lightbox-nav:hover {
  background: var(--color-gold);
  color: var(--color-charcoal-pure);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}