/* 
 * Optimized Gallery - Mobile First
 * REMOVED: Project gallery specific styles (moved to projects.css)
 */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--spacing-lg);
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 var(--spacing-md);
}

.gallery-item {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  width: 100%;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

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

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

.gallery-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 1;
}

.gallery-item:hover::before,
.gallery-item:focus-within::before {
  opacity: 1;
}

/* Gallery Section */
.gallery-section {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-gray-300);
}

.gallery-section header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: 0 var(--spacing-md);
}

.gallery-section h2 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-light);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.gallery-section p {
  font-size: var(--fs-lg);
  color: var(--color-gray-700);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--lh-relaxed);
}

/* Loading states */
.gallery-loading {
  display: flex;
  justify-content: center;
  padding: var(--spacing-2xl);
}

.gallery-loading::after {
  content: "";
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-300);
  border-top: 3px solid var(--color-secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: var(--text-light);
  padding: var(--spacing-md);
  font-size: var(--fs-sm);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 2;
}

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

/* Focus styles */
.gallery-item:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ===== MOBILE RESPONSIVE STYLES ===== */

/* Small mobile devices (up to 375px) */
@media (max-width: 375px) {
  .gallery {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-sm);
  }
  .gallery-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
  }
  .gallery-section h2 {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-sm);
  }
  .gallery-section p {
    font-size: var(--fs-base);
  }
  .gallery-item {
    border-radius: var(--radius-md);
    aspect-ratio: 3/4;
  }
  .gallery-caption {
    padding: var(--spacing-sm);
    font-size: var(--fs-xs);
  }
}

/* Mobile devices (376px to 767px) */
@media (min-width: 376px) and (max-width: 767px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
  }
  .gallery-section {
    margin-top: var(--spacing-2xl);
  }
  .gallery-section h2 {
    font-size: var(--fs-2xl);
  }
  .gallery-section p {
    font-size: var(--fs-base);
  }
  .gallery-item {
    aspect-ratio: 3/4;
  }
}

/* Tablet devices (768px to 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
  }
  .gallery-section h2 {
    font-size: var(--fs-3xl);
  }
}

/* Desktop styles (1024px and up) */
@media (min-width: 1024px) {
  .gallery {
    gap: var(--spacing-xl);
    padding: 0;
  }
}

/* Touch device optimizations */
@media (hover: none) {
  .gallery-item:hover img {
    transform: none;
  }
  .gallery-item:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
  .gallery-item:hover::before {
    opacity: 0;
  }
  .gallery-item:hover .gallery-caption {
    opacity: 0;
  }
  /* Show caption on touch devices when item is active/tapped */
  .gallery-item:active .gallery-caption {
    opacity: 1;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .gallery-item,
  .gallery-item img,
  .gallery-item::before,
  .gallery-caption {
    transition: none;
  }

  .gallery-item:hover img {
    transform: none;
  }
}