/**
 * DAVINCI-GALLERY.CSS
 * ===================
 * Complete media system for DiscoveringDaVinci.com
 * Supports: images, GIFs, video, galleries, before/after sliders,
 *           lightbox, captions, albums, transitions, and more.
 *
 * Include on any page:
 *   <link rel="stylesheet" href="{path}/css/davinci-gallery.css">
 *
 * Pairs with: js/davinci-gallery.js
 * Last updated: 2026-02-08
 */

/* ============================================
   CSS Custom Properties (Gallery-specific)
   ============================================ */
:root {
  /* Gallery layout */
  --gallery-max-width: 1200px;
  --gallery-gap: 12px;
  --gallery-radius: 6px;
  --gallery-columns: 3;

  /* Lightbox */
  --lightbox-bg: rgba(0, 0, 0, 0.95);
  --lightbox-z: 10000;
  --lightbox-ui-color: #ffffff;
  --lightbox-caption-bg: rgba(0, 0, 0, 0.7);
  --lightbox-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Before/After slider */
  --slider-handle-size: 40px;
  --slider-handle-color: var(--color-accent-primary, #d4af37);
  --slider-line-width: 3px;

  /* Caption */
  --caption-bg: rgba(0, 0, 0, 0.75);
  --caption-color: #e8e0d4;
  --caption-font: var(--font-ui, 'Inter', sans-serif);
  --caption-size: 0.8125rem;

  /* Animations */
  --gallery-fade-in: 400ms ease-out;
  --gallery-hover-speed: 250ms ease;
}


/* ============================================
   SINGLE IMAGE / FIGURE
   ============================================ */
.dv-figure {
  position: relative;
  margin: var(--space-xl, 2rem) 0;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--gallery-radius);
  background: var(--color-surface, #111);
  line-height: 0;
}

.dv-figure img,
.dv-figure video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--gallery-radius);
  transition: transform var(--gallery-hover-speed), filter var(--gallery-hover-speed);
  cursor: zoom-in;
}

.dv-figure:hover img,
.dv-figure:hover video {
  transform: scale(1.015);
}

.dv-figure[data-clickable="false"] img,
.dv-figure[data-clickable="false"] video {
  cursor: default;
}

.dv-figure[data-clickable="false"]:hover img {
  transform: none;
}

/* Figure caption */
.dv-figure figcaption,
.dv-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: var(--caption-bg);
  color: var(--caption-color);
  font-family: var(--caption-font);
  font-size: var(--caption-size);
  line-height: 1.5;
  transform: translateY(100%);
  transition: transform var(--gallery-hover-speed);
  border-radius: 0 0 var(--gallery-radius) var(--gallery-radius);
}

.dv-figure:hover figcaption,
.dv-figure:hover .dv-caption {
  transform: translateY(0);
}

/* Always-visible caption variant */
.dv-figure[data-caption-visible="true"] figcaption,
.dv-figure[data-caption-visible="true"] .dv-caption,
.dv-caption--visible {
  position: relative;
  transform: translateY(0);
  background: transparent;
  color: var(--color-text-tertiary, #999);
  padding: 0.75rem 0 0;
  font-style: italic;
}

/* Caption credit line */
.dv-caption-credit {
  display: block;
  font-size: 0.7rem;
  opacity: 0.6;
  margin-top: 0.25rem;
}


/* ============================================
   GALLERY GRID
   ============================================ */
.dv-gallery {
  display: grid;
  grid-template-columns: repeat(var(--gallery-columns), 1fr);
  gap: var(--gallery-gap);
  max-width: var(--gallery-max-width);
  margin: var(--space-xl, 2rem) auto;
}

/* Column count overrides */
.dv-gallery[data-columns="1"] { --gallery-columns: 1; }
.dv-gallery[data-columns="2"] { --gallery-columns: 2; }
.dv-gallery[data-columns="3"] { --gallery-columns: 3; }
.dv-gallery[data-columns="4"] { --gallery-columns: 4; }
.dv-gallery[data-columns="5"] { --gallery-columns: 5; }
.dv-gallery[data-columns="6"] { --gallery-columns: 6; }

/* Layout variants */
.dv-gallery[data-layout="masonry"] {
  display: block;
  column-count: var(--gallery-columns);
  column-gap: var(--gallery-gap);
}

.dv-gallery[data-layout="masonry"] .dv-gallery__item {
  break-inside: avoid;
  margin-bottom: var(--gallery-gap);
}

.dv-gallery[data-layout="justified"] {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gallery-gap);
}

.dv-gallery[data-layout="justified"] .dv-gallery__item {
  flex: 1 1 auto;
  height: 280px;
}

.dv-gallery[data-layout="justified"] .dv-gallery__item img {
  height: 100%;
  object-fit: cover;
}

/* Carousel layout */
.dv-gallery[data-layout="carousel"] {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: var(--gallery-gap);
  padding-bottom: var(--space-md, 1rem);
}

.dv-gallery[data-layout="carousel"] .dv-gallery__item {
  flex: 0 0 auto;
  scroll-snap-align: center;
  width: min(85vw, 600px);
}

.dv-gallery[data-layout="carousel"]::-webkit-scrollbar {
  height: 6px;
}

.dv-gallery[data-layout="carousel"]::-webkit-scrollbar-track {
  background: var(--color-surface, #111);
  border-radius: 3px;
}

.dv-gallery[data-layout="carousel"]::-webkit-scrollbar-thumb {
  background: var(--color-accent-primary, #d4af37);
  border-radius: 3px;
}


/* Gallery item */
.dv-gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--gallery-radius);
  background: var(--color-surface, #111);
  line-height: 0;
  cursor: zoom-in;
}

.dv-gallery__item img,
.dv-gallery__item video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--gallery-hover-speed), filter var(--gallery-hover-speed);
}

.dv-gallery__item:hover img,
.dv-gallery__item:hover video {
  transform: scale(1.05);
}

/* Item caption overlay */
.dv-gallery__item .dv-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.6rem 0.75rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: #fff;
  font-family: var(--caption-font);
  font-size: 0.75rem;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--gallery-hover-speed), transform var(--gallery-hover-speed);
}

.dv-gallery__item:hover .dv-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Aspect ratio helpers on gallery items */
.dv-gallery__item[data-aspect="square"] { aspect-ratio: 1 / 1; }
.dv-gallery__item[data-aspect="portrait"] { aspect-ratio: 3 / 4; }
.dv-gallery__item[data-aspect="landscape"] { aspect-ratio: 4 / 3; }
.dv-gallery__item[data-aspect="wide"] { aspect-ratio: 16 / 9; }
.dv-gallery__item[data-aspect="golden"] { aspect-ratio: 1.618 / 1; }

/* Span helpers for grid layout */
.dv-gallery__item[data-span="2"] { grid-column: span 2; }
.dv-gallery__item[data-span="3"] { grid-column: span 3; }
.dv-gallery__item[data-span="row"] { grid-column: 1 / -1; }


/* ============================================
   LOADING & LAZY-LOAD
   ============================================ */
.dv-gallery__item[data-loaded="false"],
.dv-figure[data-loaded="false"] {
  background: var(--color-surface, #111);
  min-height: 120px;
}

.dv-gallery__item[data-loaded="false"]::after,
.dv-figure[data-loaded="false"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 25%, rgba(255,255,255,0.04) 50%, transparent 75%);
  background-size: 200% 100%;
  animation: dv-shimmer 1.5s infinite;
}

@keyframes dv-shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

/* Fade-in on load */
.dv-gallery__item img[data-src],
.dv-figure img[data-src] {
  opacity: 0;
  transition: opacity var(--gallery-fade-in);
}

.dv-gallery__item img.dv-loaded,
.dv-figure img.dv-loaded {
  opacity: 1;
}


/* ============================================
   LIGHTBOX
   ============================================ */
.dv-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--lightbox-z);
  background: var(--lightbox-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--lightbox-transition), visibility var(--lightbox-transition);
  -webkit-tap-highlight-color: transparent;
}

.dv-lightbox[data-active="true"] {
  opacity: 1;
  visibility: visible;
}

/* Lightbox content */
.dv-lightbox__content {
  position: relative;
  max-width: 92vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.dv-lightbox__content img,
.dv-lightbox__content video {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--gallery-radius);
  transform: scale(0.95);
  transition: transform var(--lightbox-transition);
  user-select: none;
  -webkit-user-drag: none;
}

.dv-lightbox[data-active="true"] .dv-lightbox__content img,
.dv-lightbox[data-active="true"] .dv-lightbox__content video {
  transform: scale(1);
}

/* Lightbox close button */
.dv-lightbox__close {
  position: absolute;
  top: env(safe-area-inset-top, 16px);
  right: 16px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--lightbox-ui-color);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--lightbox-transition), transform var(--lightbox-transition);
  z-index: 2;
  -webkit-tap-highlight-color: transparent;
}

.dv-lightbox__close:hover {
  background: rgba(255,255,255,0.25);
  transform: scale(1.1);
}

/* Lightbox navigation arrows */
.dv-lightbox__prev,
.dv-lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: var(--lightbox-ui-color);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--lightbox-transition), transform var(--lightbox-transition);
  z-index: 2;
  -webkit-tap-highlight-color: transparent;
}

.dv-lightbox__prev { left: 16px; }
.dv-lightbox__next { right: 16px; }

.dv-lightbox__prev:hover,
.dv-lightbox__next:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-50%) scale(1.1);
}

/* Lightbox counter */
.dv-lightbox__counter {
  position: absolute;
  top: env(safe-area-inset-top, 16px);
  left: 16px;
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  z-index: 2;
  user-select: none;
}

/* Lightbox caption */
.dv-lightbox__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.25rem 4rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: #e8e0d4;
  font-family: var(--caption-font);
  font-size: 0.875rem;
  line-height: 1.6;
  text-align: center;
  z-index: 2;
  pointer-events: none;
}

.dv-lightbox__caption strong {
  color: var(--color-accent-primary, #d4af37);
  font-weight: 600;
}

/* Lightbox thumbnail strip */
.dv-lightbox__thumbs {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  max-width: 80vw;
  overflow-x: auto;
  padding: 8px;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--lightbox-transition);
}

.dv-lightbox:hover .dv-lightbox__thumbs {
  opacity: 1;
}

.dv-lightbox__thumb {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--lightbox-transition), opacity var(--lightbox-transition);
  opacity: 0.5;
}

.dv-lightbox__thumb:hover,
.dv-lightbox__thumb[data-active="true"] {
  opacity: 1;
  border-color: var(--color-accent-primary, #d4af37);
}

.dv-lightbox__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox zoom */
.dv-lightbox[data-zoomed="true"] .dv-lightbox__content img {
  max-width: none;
  max-height: none;
  cursor: grab;
}

.dv-lightbox[data-zoomed="true"] .dv-lightbox__content img:active {
  cursor: grabbing;
}


/* ============================================
   BEFORE / AFTER SLIDER
   ============================================ */
.dv-compare {
  position: relative;
  overflow: hidden;
  border-radius: var(--gallery-radius);
  max-width: var(--gallery-max-width);
  margin: var(--space-xl, 2rem) auto;
  touch-action: pan-y;
  user-select: none;
  line-height: 0;
  cursor: col-resize;
}

.dv-compare__before,
.dv-compare__after {
  display: block;
  width: 100%;
  height: auto;
}

.dv-compare__before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: inset(0 50% 0 0);
}

.dv-compare__after {
  display: block;
  width: 100%;
}

/* Slider handle */
.dv-compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: var(--slider-line-width);
  background: var(--slider-handle-color);
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
}

.dv-compare__handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--slider-handle-size);
  height: var(--slider-handle-size);
  transform: translate(-50%, -50%);
  background: var(--slider-handle-color);
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.dv-compare__handle::after {
  content: '◄ ►';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #000;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  white-space: nowrap;
  pointer-events: none;
}

/* Before/After labels */
.dv-compare__label {
  position: absolute;
  top: 12px;
  padding: 4px 12px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 3px;
  z-index: 1;
  pointer-events: none;
}

.dv-compare__label--before { left: 12px; }
.dv-compare__label--after { right: 12px; }


/* ============================================
   SLIDESHOW / TRANSITION PLAYER
   ============================================ */
.dv-slideshow {
  position: relative;
  overflow: hidden;
  border-radius: var(--gallery-radius);
  max-width: var(--gallery-max-width);
  margin: var(--space-xl, 2rem) auto;
  background: var(--color-surface, #111);
  line-height: 0;
}

.dv-slideshow__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dv-slideshow__slide[data-active="true"] {
  position: relative;
  opacity: 1;
  z-index: 1;
}

.dv-slideshow__slide img,
.dv-slideshow__slide video {
  display: block;
  width: 100%;
  height: auto;
}

/* Slideshow transition variants */
.dv-slideshow[data-transition="fade"] .dv-slideshow__slide {
  transition: opacity 0.8s ease;
}

.dv-slideshow[data-transition="slide"] .dv-slideshow__slide {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
  transform: translateX(100%);
  opacity: 1;
}

.dv-slideshow[data-transition="slide"] .dv-slideshow__slide[data-active="true"] {
  transform: translateX(0);
}

.dv-slideshow[data-transition="slide"] .dv-slideshow__slide[data-exiting="true"] {
  transform: translateX(-100%);
}

.dv-slideshow[data-transition="zoom"] .dv-slideshow__slide {
  transition: transform 0.8s ease, opacity 0.8s ease;
  transform: scale(1.1);
}

.dv-slideshow[data-transition="zoom"] .dv-slideshow__slide[data-active="true"] {
  transform: scale(1);
}

/* Slideshow controls */
.dv-slideshow__controls {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 5;
  padding: 6px 14px;
  background: rgba(0,0,0,0.5);
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

.dv-slideshow__btn {
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: #fff;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--gallery-hover-speed), border-color var(--gallery-hover-speed);
  -webkit-tap-highlight-color: transparent;
}

.dv-slideshow__btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-accent-primary, #d4af37);
}

/* Slideshow dots / indicators */
.dv-slideshow__dots {
  display: flex;
  gap: 6px;
}

.dv-slideshow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: background var(--gallery-hover-speed), transform var(--gallery-hover-speed);
  -webkit-tap-highlight-color: transparent;
}

.dv-slideshow__dot[data-active="true"] {
  background: var(--color-accent-primary, #d4af37);
  transform: scale(1.3);
}

/* Slideshow progress bar */
.dv-slideshow__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--color-accent-primary, #d4af37);
  z-index: 4;
  transition: width linear;
}


/* ============================================
   VIDEO PLAYER WRAPPER
   ============================================ */
.dv-video {
  position: relative;
  overflow: hidden;
  border-radius: var(--gallery-radius);
  max-width: var(--gallery-max-width);
  margin: var(--space-xl, 2rem) auto;
  background: #000;
  line-height: 0;
}

.dv-video video {
  display: block;
  width: 100%;
  height: auto;
}

.dv-video[data-aspect="16:9"] { aspect-ratio: 16 / 9; }
.dv-video[data-aspect="4:3"] { aspect-ratio: 4 / 3; }
.dv-video[data-aspect="1:1"] { aspect-ratio: 1 / 1; }
.dv-video[data-aspect="9:16"] { aspect-ratio: 9 / 16; max-width: 400px; }

.dv-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Play overlay */
.dv-video__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  cursor: pointer;
  transition: background var(--gallery-hover-speed);
  z-index: 2;
}

.dv-video__play:hover {
  background: rgba(0,0,0,0.15);
}

.dv-video__play::after {
  content: '';
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  position: relative;
}

.dv-video__play::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-40%, -50%);
  border: 12px solid transparent;
  border-left: 20px solid #000;
  z-index: 3;
}

.dv-video[data-playing="true"] .dv-video__play {
  opacity: 0;
  pointer-events: none;
}


/* ============================================
   ALBUM CARD (for albums hub page)
   ============================================ */
.dv-albums {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl, 2rem);
  max-width: var(--gallery-max-width);
  margin: var(--space-xl, 2rem) auto;
}

.dv-album-card {
  position: relative;
  border-radius: var(--gallery-radius);
  overflow: hidden;
  background: var(--color-surface-elevated, #1a1a1a);
  border: 1px solid var(--color-border-subtle, #222);
  transition: transform var(--gallery-hover-speed), border-color var(--gallery-hover-speed), box-shadow var(--gallery-hover-speed);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.dv-album-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-primary, #d4af37);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.dv-album-card__cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.dv-album-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--gallery-hover-speed);
}

.dv-album-card:hover .dv-album-card__cover img {
  transform: scale(1.06);
}

.dv-album-card__count {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 3px 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 3px;
  backdrop-filter: blur(4px);
}

.dv-album-card__info {
  padding: 1rem 1.25rem;
}

.dv-album-card__title {
  font-family: var(--font-display, 'Cinzel', serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary, #fff);
  margin: 0 0 0.3rem;
  line-height: 1.3;
}

.dv-album-card__desc {
  font-family: var(--caption-font);
  font-size: 0.8rem;
  color: var(--color-text-tertiary, #999);
  margin: 0;
  line-height: 1.5;
}

.dv-album-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

.dv-album-card__tag {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--color-surface, #111);
  color: var(--color-accent-primary, #d4af37);
  border: 1px solid var(--color-border, #333);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}


/* ============================================
   ENTRANCE ANIMATIONS
   ============================================ */
.dv-animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.dv-animate-in.dv-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.dv-stagger > .dv-animate-in:nth-child(1) { transition-delay: 0ms; }
.dv-stagger > .dv-animate-in:nth-child(2) { transition-delay: 60ms; }
.dv-stagger > .dv-animate-in:nth-child(3) { transition-delay: 120ms; }
.dv-stagger > .dv-animate-in:nth-child(4) { transition-delay: 180ms; }
.dv-stagger > .dv-animate-in:nth-child(5) { transition-delay: 240ms; }
.dv-stagger > .dv-animate-in:nth-child(6) { transition-delay: 300ms; }
.dv-stagger > .dv-animate-in:nth-child(7) { transition-delay: 360ms; }
.dv-stagger > .dv-animate-in:nth-child(8) { transition-delay: 420ms; }
.dv-stagger > .dv-animate-in:nth-child(9) { transition-delay: 480ms; }
.dv-stagger > .dv-animate-in:nth-child(10) { transition-delay: 540ms; }
.dv-stagger > .dv-animate-in:nth-child(11) { transition-delay: 600ms; }
.dv-stagger > .dv-animate-in:nth-child(12) { transition-delay: 660ms; }


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .dv-gallery[data-columns="5"],
  .dv-gallery[data-columns="6"] { --gallery-columns: 4; }

  .dv-gallery[data-layout="masonry"][data-columns="5"],
  .dv-gallery[data-layout="masonry"][data-columns="6"] {
    column-count: 4;
  }
}

@media (max-width: 768px) {
  :root {
    --gallery-gap: 8px;
  }

  .dv-gallery { --gallery-columns: 2; }

  .dv-gallery[data-columns="1"] { --gallery-columns: 1; }

  .dv-gallery[data-layout="masonry"] { column-count: 2; }

  .dv-gallery[data-layout="justified"] .dv-gallery__item {
    height: 180px;
  }

  .dv-gallery__item[data-span="2"],
  .dv-gallery__item[data-span="3"] {
    grid-column: span 1;
  }

  .dv-lightbox__prev { left: 8px; }
  .dv-lightbox__next { right: 8px; }

  .dv-lightbox__prev,
  .dv-lightbox__next {
    width: 40px;
    height: 40px;
  }

  .dv-lightbox__caption {
    padding: 1rem 1.5rem;
    font-size: 0.8rem;
  }

  .dv-lightbox__thumbs { display: none; }

  .dv-slideshow__controls {
    bottom: 8px;
    gap: 8px;
    padding: 4px 10px;
  }

  .dv-albums {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg, 1.5rem);
  }
}

@media (max-width: 480px) {
  .dv-gallery { --gallery-columns: 1; }
  .dv-gallery[data-columns="2"] { --gallery-columns: 2; }
  .dv-gallery[data-layout="masonry"] { column-count: 1; }

  .dv-lightbox__prev,
  .dv-lightbox__next {
    display: none;
  }

  .dv-albums {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .dv-figure:hover img,
  .dv-gallery__item:hover img,
  .dv-album-card:hover,
  .dv-album-card:hover .dv-album-card__cover img {
    transform: none !important;
  }

  .dv-slideshow__slide {
    transition: opacity 0.1s ease !important;
  }

  .dv-animate-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .dv-lightbox,
  .dv-lightbox__content img {
    transition: none !important;
  }
}


/* ============================================
   PRINT
   ============================================ */
@media print {
  .dv-lightbox,
  .dv-slideshow__controls,
  .dv-compare__handle,
  .dv-compare__label,
  .dv-video__play {
    display: none !important;
  }

  .dv-gallery {
    display: block;
  }

  .dv-gallery__item {
    break-inside: avoid;
    margin-bottom: 1rem;
  }
}