.gallery-section {
  background: linear-gradient(180deg, var(--bg) 0%, #f8fbff 100%);
}

.gallery-head {
  margin: 2.6rem 0 1.4rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.gallery-head .section-title {
  margin-top: 0.3rem;
  margin-bottom: 0;
}

.gallery-total {
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 700;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.52rem 0.95rem;
  box-shadow: var(--shadow-sm);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.7rem;
}

.filter-btn {
  border: 1px solid #a6bce7;
  background: white;
  color: var(--text-muted);
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.52rem 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(26, 35, 126, 0.08);
}

.filter-btn span {
  background: var(--sky);
  color: var(--primary);
  font-size: 0.74rem;
  line-height: 1;
  padding: 0.24rem 0.48rem;
  border-radius: 999px;
}

.filter-btn:hover {
  transform: translateY(-1px);
  border-color: var(--primary-light);
  color: var(--primary);
}

.filter-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.filter-btn.active span {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
  background: #dce9ff;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 16 / 9;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

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

.gallery-item.is-hidden {
  display: none;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 0.95rem;
  background: linear-gradient(to top, rgba(13, 22, 66, 0.82), rgba(13, 22, 66, 0.03) 65%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

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

.gallery-caption {
  color: white;
  font-size: 0.84rem;
  font-weight: 700;
}

.gallery-empty {
  text-align: center;
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

@media (max-width: 768px) {
  .gallery-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-item.wide {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item,
  .gallery-item.wide {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }
}