/* ========================================
   Gallery Page - Modern Masonry Gallery
   ======================================== */

/* Page Background */
.gallery-page {
  background-color: #0a0a0a;
  color: var(--color-cream);
}

/* ========================================
   Gallery Hero Section
   ======================================== */
.gallery-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gallery-hero__bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, 
      rgba(91, 138, 154, 0.3) 0%, 
      rgba(139, 157, 131, 0.2) 50%,
      rgba(91, 138, 154, 0.3) 100%
    ),
    url('../../assets/images/abkhazia/photo1.jpg') center/cover no-repeat;
  filter: blur(2px);
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.15); }
}

.gallery-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.4) 0%,
    rgba(10, 10, 10, 0.6) 50%,
    rgba(10, 10, 10, 0.95) 100%
  );
}

.gallery-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2xl);
  transition: all var(--transition-base);
  font-weight: 500;
}

.gallery-hero__back:hover {
  color: var(--color-white);
  transform: translateX(-5px);
}

.gallery-hero__back-icon {
  font-size: var(--text-lg);
}

.gallery-hero__label {
  display: block;
  font-family: var(--font-accent);
  font-size: var(--text-xl);
  color: var(--color-sea-light);
  margin-bottom: var(--space-sm);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.gallery-hero__title {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

.gallery-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.95);
  max-width: 500px;
  margin: 0 auto var(--space-3xl);
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

.gallery-hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  animation: fadeInUp 1s ease-out 0.5s backwards;
}

.gallery-hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.gallery-hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
}

.gallery-hero__stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.gallery-hero__scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: pulse 2s ease-in-out infinite;
}

.gallery-hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========================================
   Gallery Controls
   ======================================== */
.gallery-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-2xl);
}

.gallery-controls__view {
  display: flex;
  gap: var(--space-sm);
}

.gallery-controls__btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
}

.gallery-controls__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.gallery-controls__btn--active {
  background: var(--color-sea);
  border-color: var(--color-sea);
  color: var(--color-white);
}

/* ========================================
   Masonry Gallery Grid
   ======================================== */
.gallery-main {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.gallery-masonry {
  column-count: 4;
  column-gap: var(--space-md);
}

.gallery-masonry--grid {
  column-count: unset;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.gallery-masonry--grid .gallery-item {
  aspect-ratio: 1;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  animation: itemFadeIn 0.6s ease-out forwards;
}

.gallery-item:nth-child(1) { animation-delay: 0.05s; }
.gallery-item:nth-child(2) { animation-delay: 0.1s; }
.gallery-item:nth-child(3) { animation-delay: 0.15s; }
.gallery-item:nth-child(4) { animation-delay: 0.2s; }
.gallery-item:nth-child(5) { animation-delay: 0.25s; }
.gallery-item:nth-child(6) { animation-delay: 0.3s; }
.gallery-item:nth-child(7) { animation-delay: 0.35s; }
.gallery-item:nth-child(8) { animation-delay: 0.4s; }
.gallery-item:nth-child(9) { animation-delay: 0.45s; }
.gallery-item:nth-child(10) { animation-delay: 0.5s; }
.gallery-item:nth-child(11) { animation-delay: 0.55s; }
.gallery-item:nth-child(12) { animation-delay: 0.6s; }

@keyframes itemFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-item__image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 50%,
    rgba(0, 0, 0, 0.7) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item__zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--color-white);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item__index {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: #ffffff;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
  font-weight: 500;
}

/* Hover effects */
.gallery-item:hover .gallery-item__image {
  transform: scale(1.08);
}

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

.gallery-item:hover .gallery-item__zoom {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

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

/* Load More Button */
.gallery-loadmore {
  text-align: center;
  padding-top: var(--space-3xl);
}

.gallery-loadmore--hidden {
  display: none;
}

/* ========================================
   Modern Lightbox
   ======================================== */
.lightbox-modern {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox-modern--active {
  opacity: 1;
  visibility: visible;
}

.lightbox-modern__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.97);
  backdrop-filter: blur(20px);
}

.lightbox-modern__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--color-white);
  z-index: 10;
  transition: all var(--transition-base);
}

.lightbox-modern__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-modern__close svg {
  width: 20px;
  height: 20px;
}

.lightbox-modern__container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 5;
  padding: var(--space-3xl);
}

.lightbox-modern__content {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
}

.lightbox-modern__image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox-modern__image--loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox-modern__loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none; /* Hidden by default, shown via JS */
}

.lightbox-modern__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-sea);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.lightbox-modern__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  transition: all var(--transition-base);
  z-index: 10;
}

.lightbox-modern__nav:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-modern__nav svg {
  width: 24px;
  height: 24px;
}

.lightbox-modern__nav--prev {
  left: var(--space-xl);
}

.lightbox-modern__nav--next {
  right: var(--space-xl);
}

.lightbox-modern__counter {
  position: absolute;
  bottom: calc(100px + var(--space-xl));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.95);
  z-index: 10;
}

.lightbox-modern__counter-divider {
  color: rgba(255, 255, 255, 0.3);
}

/* Thumbnails strip */
.lightbox-modern__thumbnails {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  overflow-x: auto;
  z-index: 10;
}

.lightbox-modern__thumb {
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  opacity: 0.4;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.lightbox-modern__thumb:hover {
  opacity: 0.8;
}

.lightbox-modern__thumb--active {
  opacity: 1;
  border-color: var(--color-sea);
}

.lightbox-modern__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   Gallery CTA Section
   ======================================== */
.gallery-cta {
  padding: var(--space-5xl) 0;
  background: linear-gradient(
    135deg,
    rgba(91, 138, 154, 0.15) 0%,
    rgba(10, 10, 10, 1) 50%,
    rgba(139, 157, 131, 0.15) 100%
  );
}

.gallery-cta__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.gallery-cta__emoji {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
  display: block;
}

.gallery-cta__title {
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.gallery-cta__text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2xl);
  font-size: var(--text-lg);
}

/* ========================================
   Dark Header Override
   ======================================== */
.header--dark {
  background: transparent;
}

.header--dark.header--scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
  .gallery-masonry {
    column-count: 3;
  }
}

@media (max-width: 900px) {
  .gallery-masonry {
    column-count: 2;
  }
  
  .gallery-hero__stats {
    gap: var(--space-2xl);
  }
  
  .lightbox-modern__nav {
    width: 50px;
    height: 50px;
  }
  
  .lightbox-modern__nav--prev {
    left: var(--space-md);
  }
  
  .lightbox-modern__nav--next {
    right: var(--space-md);
  }
}

@media (max-width: 600px) {
  .gallery-masonry {
    column-count: 1;
  }
  
  .gallery-hero {
    min-height: auto;
    padding: var(--space-4xl) var(--space-md) var(--space-3xl);
  }
  
  .gallery-hero__title {
    letter-spacing: 0.05em;
    font-size: clamp(2.5rem, 12vw, 4rem);
  }
  
  .gallery-hero__subtitle {
    font-size: var(--text-base);
    margin-bottom: var(--space-2xl);
  }
  
  .gallery-hero__stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
  }
  
  .gallery-hero__stat {
    min-width: 80px;
  }
  
  /* Hide scroll indicator on mobile - it's obvious to scroll */
  .gallery-hero__scroll {
    display: none;
  }
  
  .gallery-controls {
    justify-content: center;
  }
  
  .lightbox-modern__container {
    padding: var(--space-lg);
  }
  
  .lightbox-modern__thumbnails {
    height: 80px;
  }
  
  .lightbox-modern__thumb {
    width: 50px;
    height: 50px;
  }
  
  .lightbox-modern__close {
    top: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
  }
  
  .lightbox-modern__nav {
    display: none;
  }
}

/* ========================================
   Dark Footer Override
   ======================================== */
.gallery-page .footer {
  background-color: rgba(10, 10, 10, 1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Altai Theme Variations
   ======================================== */
.gallery-page--altai .gallery-hero__label {
  color: var(--color-mountain-light);
}

.gallery-hero__bg--altai {
  background: 
    linear-gradient(135deg, 
      rgba(107, 123, 140, 0.3) 0%, 
      rgba(90, 107, 82, 0.2) 50%,
      rgba(107, 123, 140, 0.3) 100%
    ),
    url('../../assets/images/altai/photo1.jpg') center/cover no-repeat;
}

.gallery-page--altai .gallery-controls__btn--active {
  background: var(--color-mountain);
  border-color: var(--color-mountain);
}

.gallery-page--altai .lightbox-modern__spinner {
  border-top-color: var(--color-mountain);
}

.gallery-page--altai .lightbox-modern__thumb--active {
  border-color: var(--color-mountain);
}

.gallery-cta--altai {
  background: linear-gradient(
    135deg,
    rgba(107, 123, 140, 0.15) 0%,
    rgba(10, 10, 10, 1) 50%,
    rgba(90, 107, 82, 0.15) 100%
  );
}