/* Gallery Page Styles */

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.page-header__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

.page-header__subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-regular);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.page-header__description {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto;
}

/* Intro Card */
.section--intro {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.intro-card {
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.intro-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
}

.intro-card__title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.intro-card__text {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
  max-width: 650px;
  margin: 0 auto;
}

/* Gallery Section */
.section--gallery {
  background-color: var(--color-gray-50);
  padding: var(--spacing-4xl) 0;
}

/* Gallery Category */
.gallery-category {
  margin-bottom: var(--spacing-4xl);
}

.gallery-category:last-child {
  margin-bottom: 0;
}

.gallery-category__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.gallery-category__title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.gallery-category__description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.gallery-grid--book {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Gallery Item */
.gallery-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.gallery-item__image {
  position: relative;
  width: 100%;
  padding-bottom: 75%; /* 4:3 aspect ratio */
  background-color: var(--color-gray-100);
  overflow: hidden;
}

.gallery-item__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.gallery-item__content {
  padding: var(--spacing-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.gallery-item__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
}

.gallery-item__date {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gallery-item__description {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
  flex: 1;
}

/* Note Card */
.section--note {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.note-card {
  background: linear-gradient(135deg, #FFF9E6 0%, #FFF5CC 100%);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  display: flex;
  gap: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.note-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
}

.note-card__title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
}

.note-card__text {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

/* CTA Actions */
.cta__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* Lightbox (Optional Enhancement) */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.lightbox.is-active {
  display: flex;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2xl);
}

.lightbox__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
  }

  .page-header__title {
    font-size: var(--font-size-3xl);
  }
}

@media (max-width: 768px) {
  .page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  }

  .page-header__title {
    font-size: var(--font-size-2xl);
  }

  .page-header__subtitle {
    font-size: var(--font-size-lg);
  }

  .page-header__description {
    font-size: var(--font-size-base);
  }

  .gallery-grid,
  .gallery-grid--book {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .gallery-category__title {
    font-size: var(--font-size-2xl);
  }

  .intro-card {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }

  .intro-card__icon {
    width: 64px;
    height: 64px;
  }

  .note-card {
    flex-direction: column;
    text-align: center;
  }

  .note-card__icon {
    margin: 0 auto;
  }

  .cta__actions {
    flex-direction: column;
    width: 100%;
  }

  .cta__actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-header__title {
    font-size: var(--font-size-xl);
  }

  .gallery-item__content {
    padding: var(--spacing-lg);
  }

  .intro-card__title {
    font-size: var(--font-size-xl);
  }
}