.activities-intro {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  max-width: 36rem;
  margin: 0 auto var(--space-8);
}


.gallery-section {
  margin-bottom: var(--space-10);
}

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

.gallery-section h2 {
  margin: 0 0 var(--space-5);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.gallery-section h2::before {
  content: "";
  width: 4px;
  height: 1.25em;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 2px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
}

.gallery-grid:not(.gallery-grid--expanded) .gallery-item--extra {
  display: none !important;
}

@media (prefers-reduced-motion: no-preference) {
  .gallery-grid.gallery-grid--expanded .gallery-item--extra {
    animation: gallery-extra-in 0.4s ease backwards;
  }
}

@keyframes gallery-extra-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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


.gallery-expand-stack {
  --stack-w: min(220px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  max-width: 280px;
  margin: var(--space-5) auto 0;
  padding: 0;
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--color-text);
  transition: transform var(--transition);
}


.gallery-grid > .gallery-expand-stack {
  --stack-w: min(92%, 168px);
  max-width: none;
  margin: 0;
  align-self: stretch;
  justify-self: stretch;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 4 / 3;
  padding: var(--space-2);
  box-sizing: border-box;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.gallery-grid > .gallery-expand-stack:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.gallery-grid > .gallery-expand-stack:focus-visible {
  border-color: var(--color-primary);
}

.gallery-expand-stack:hover .gallery-expand-stack-visual {
  transform: translateY(-4px);
}

.gallery-expand-stack:active {
  transform: scale(0.98);
}

.gallery-expand-stack:focus-visible {
  outline: none;
}

.gallery-expand-stack:focus-visible .gallery-expand-stack-visual {
  box-shadow: var(--color-focus-ring);
}

.gallery-expand-stack-visual {
  position: relative;
  width: var(--stack-w);
  aspect-ratio: 4 / 3;
  margin-inline: auto;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity var(--transition);
}

.gallery-expand-stack-layer {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  border: 3px solid var(--color-bg-card);
  background: var(--color-bg);
}

.gallery-expand-stack-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-expand-stack-layer--1 {
  transform: rotate(-5deg) translate(10px, 6px) scale(0.92);
  z-index: 1;
}

.gallery-expand-stack-layer--2 {
  transform: rotate(3deg) translate(-4px, 2px) scale(0.96);
  z-index: 2;
}

.gallery-expand-stack-layer--3 {
  transform: rotate(-2deg) translate(0, -2px) scale(1);
  z-index: 3;
}

[dir="rtl"] .gallery-expand-stack-layer--1 {
  transform: rotate(5deg) translate(-10px, 6px) scale(0.92);
}

[dir="rtl"] .gallery-expand-stack-layer--2 {
  transform: rotate(-3deg) translate(4px, 2px) scale(0.96);
}

[dir="rtl"] .gallery-expand-stack-layer--3 {
  transform: rotate(2deg) translate(0, -2px) scale(1);
}

.gallery-expand-stack-label {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.gallery-expand-stack:hover .gallery-expand-stack-label {
  color: var(--color-primary-dark);
}

.gallery-expand-stack-badge {
  position: absolute;
  bottom: var(--space-2);
  inset-inline-end: var(--space-2);
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 800;
  color: #fff;
  background: var(--color-primary);
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(159, 29, 50, 0.45);
  z-index: 4;
  border: 2px solid var(--color-bg-card);
  pointer-events: none;
}

.gallery-expand-stack.is-expanded .gallery-expand-stack-layer {
  opacity: 0.55;
}

.gallery-expand-stack.is-expanded .gallery-expand-stack-badge {
  opacity: 1;
}

.gallery-expand-stack.is-expanded .gallery-expand-stack-label {
  color: var(--color-text-muted);
}

[data-theme="dark"] .gallery-expand-stack-layer {
  border-color: var(--color-bg-card);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: none;
  padding: 0;
  background: var(--color-bg);
  display: block;
  width: 100%;
  text-align: inherit;
  font: inherit;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.gallery-item:hover,
.gallery-item:focus {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.gallery-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-light), 0 0 0 1px var(--color-primary);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gallery-item:hover img,
.gallery-item:focus img {
  transform: scale(1.08);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.75) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.gallery-item-overlay .material-symbols-outlined {
  font-size: 2.25rem;
  color: white;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gallery-item:hover .gallery-item-overlay .material-symbols-outlined,
.gallery-item:focus .gallery-item-overlay .material-symbols-outlined {
  transform: scale(1.15);
}


.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.gallery-lightbox-backdrop {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.gallery-lightbox-content {
  position: relative;
  max-width: 95vw;
  max-height: 90vh;
  z-index: 1;
}


.gallery-lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.gallery-lightbox-arrow:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-50%) scale(1.08);
  border-color: rgba(255, 255, 255, 0.35);
}

.gallery-lightbox-arrow.is-hidden {
  display: none;
}

.gallery-lightbox-prev {
  right: 1.5rem;
}

.gallery-lightbox-next {
  left: 1.5rem;
}

.gallery-lightbox-arrow .material-symbols-outlined {
  font-size: 1.75rem;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
}

.gallery-lightbox-counter {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  text-align: center;
  letter-spacing: 0.02em;
}

.gallery-lightbox-counter:empty {
  display: none;
}

.gallery-lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  transition: opacity 0.25s ease;
}

.gallery-lightbox-content img.gallery-lightbox-img-enter {
  opacity: 0;
  animation: gallery-img-fade-in 0.3s ease forwards;
}

@keyframes gallery-img-fade-in {
  to {
    opacity: 1;
  }
}

.gallery-lightbox-close {
  position: absolute;
  top: -var(--space-8);
  inset-inline-start: 0;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.gallery-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.gallery-lightbox-close .material-symbols-outlined {
  font-size: 1.5rem;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}

.gallery-lightbox-caption {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-3);
  text-align: center;
}


@media (max-width: 767px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .gallery-lightbox-arrow {
    width: 44px;
    height: 44px;
  }

  .gallery-lightbox-prev {
    right: 0.75rem;
  }

  .gallery-lightbox-next {
    left: 0.75rem;
  }
}

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


[data-theme="dark"] .gallery-item-overlay {
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
}