/* ==========================================================================
   sustainabilitycamp.at - Gallery Styles
   Updated with "Organic Sophistication" aesthetic
   ========================================================================== */

/* --------------------------------------------------------------------------
   Photo Gallery Grid
   -------------------------------------------------------------------------- */
.gallery {
  padding: var(--spacing-3xl) 0;
}

.gallery__intro {
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
}

.gallery__intro h2 {
  margin-bottom: var(--spacing-md);
}

.gallery__intro p {
  color: var(--color-text-light);
  font-size: var(--text-lg);
  line-height: 1.7;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-md);
}

.gallery__item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-background-alt);
  box-shadow: 0 8px 30px var(--color-shadow);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.gallery__item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px var(--color-shadow-dark);
}

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

.gallery__item:hover img {
  transform: scale(1.08);
}

.gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 8, 94, 0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery__item:hover::after {
  opacity: 1;
}

.gallery__zoom-icon {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 1;
  box-shadow: 0 4px 15px var(--color-shadow-warm);
}

.gallery__zoom-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-dark);
}

.gallery__item:hover .gallery__zoom-icon {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Photo Credit */
.gallery__credit {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.gallery__credit p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   GLightbox Overrides
   -------------------------------------------------------------------------- */
.glightbox-container .gslide-description {
  background: transparent;
}

.glightbox-container .gslide-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: #fff;
}

.glightbox-container .gdesc-inner {
  padding: var(--spacing-md);
}

.glightbox-clean .gnext,
.glightbox-clean .gprev {
  background-color: rgba(253, 251, 247, 0.1);
  border-radius: var(--radius-lg);
  width: 54px;
  height: 54px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.glightbox-clean .gnext:hover,
.glightbox-clean .gprev:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transform: scale(1.1);
}

.glightbox-clean .gclose {
  background-color: rgba(253, 251, 247, 0.1);
  border-radius: var(--radius-lg);
  width: 44px;
  height: 44px;
  top: 20px;
  right: 20px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.glightbox-clean .gclose:hover {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  transform: scale(1.1);
}

.glightbox-clean .gclose svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   Custom Lightbox (Fallback if GLightbox not used)
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(8, 8, 94, 0.98);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

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

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-xl);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  background-color: rgba(253, 251, 247, 0.1);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary-dark);
  transform: scale(1.1);
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  background-color: rgba(253, 251, 247, 0.1);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.lightbox__nav:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  transform: translateY(-50%) scale(1.1);
}

.lightbox__nav--prev {
  left: -70px;
}

.lightbox__nav--next {
  right: -70px;
}

.lightbox__nav svg {
  width: 24px;
  height: 24px;
}

.lightbox__counter {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(253, 251, 247, 0.6);
  font-size: var(--text-sm);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Takeaways Section
   -------------------------------------------------------------------------- */
.takeaways {
  background-color: var(--color-background-alt);
}

.takeaways__intro {
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
}

.takeaways__intro h2 {
  margin-bottom: var(--spacing-md);
}

.takeaways__intro p {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.takeaways__grid {
  display: grid;
  gap: var(--spacing-lg);
}

.takeaway-card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: 0 8px 30px var(--color-shadow);
  border-left: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.takeaway-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.takeaway-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 45px var(--color-shadow-dark);
}

.takeaway-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-weight: 600;
}

.takeaway-card__content {
  color: var(--color-text-light);
  font-size: var(--text-base);
  line-height: 1.7;
}

.takeaway-card__content ul {
  margin-top: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.takeaway-card__content li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.takeaway-card__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   Gallery CTA Section
   -------------------------------------------------------------------------- */
.gallery-cta {
  text-align: center;
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.gallery-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(212, 163, 115, 0.15) 0%, transparent 70%);
  border-radius: var(--radius-organic);
  pointer-events: none;
}

.gallery-cta .container {
  position: relative;
  z-index: 1;
}

.gallery-cta h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
}

.gallery-cta p {
  max-width: 550px;
  margin: 0 auto var(--spacing-xl);
  opacity: 0.9;
  font-size: var(--text-lg);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */

/* sm: 640px */
@media (min-width: 640px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* md: 768px */
@media (min-width: 768px) {
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* lg: 1024px */
@media (min-width: 1024px) {
  .gallery__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }

  .takeaways__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Make some items span 2 columns for visual interest */
  .gallery__item--wide {
    grid-column: span 2;
    aspect-ratio: 8/3;
  }

  .gallery__item--tall {
    grid-row: span 2;
    aspect-ratio: 2/3;
  }
}

/* xl: 1280px */
@media (min-width: 1280px) {
  .gallery__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile adjustments for lightbox */
@media (max-width: 767px) {
  .lightbox__nav--prev {
    left: 10px;
  }

  .lightbox__nav--next {
    right: 10px;
  }

  .lightbox__close {
    top: 10px;
    right: 10px;
    position: fixed;
  }

  .lightbox__counter {
    bottom: 20px;
  }
}