/* ============================================
   Dome Gallery — 3D Spherical Image Gallery
   ============================================ */

.dg-root {
  position: relative;
  width: 100%;
  height: 100%;
  --dg-radius: 520px;
  --dg-viewer-pad: 72px;
  --dg-circ: calc(var(--dg-radius) * 3.14);
  --dg-rot-y: calc((360deg / var(--dg-segments-x)) / 2);
  --dg-rot-x: calc((360deg / var(--dg-segments-y)) / 2);
  --dg-item-width: calc(var(--dg-circ) / var(--dg-segments-x));
  --dg-item-height: calc(var(--dg-circ) / var(--dg-segments-y));
  --dg-overlay-blur-color: #120F17;
  --dg-tile-radius: 30px;
  --dg-enlarge-radius: 30px;
  --dg-image-filter: none;
}

.dg-root * {
  box-sizing: border-box;
}

.dg-sphere,
.dg-item,
.dg-item__image {
  transform-style: preserve-3d;
}

.dg-main {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  background: transparent;
  cursor: grab;
}

.dg-main:active {
  cursor: grabbing;
}

.dg-main.dg-dragging {
  cursor: grabbing;
}

.dg-stage {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  perspective: calc(var(--dg-radius) * 2);
  perspective-origin: 50% 50%;
  contain: layout paint size;
}

.dg-sphere {
  transform: translateZ(calc(var(--dg-radius) * -1));
  will-change: transform;
}

/* Overlays */
.dg-overlay,
.dg-overlay--blur {
  position: absolute;
  inset: 0;
  margin: auto;
  z-index: 3;
  pointer-events: none;
}

.dg-overlay {
  background-image: radial-gradient(
    rgba(235, 235, 235, 0) 65%,
    var(--dg-overlay-blur-color) 100%
  );
}

.dg-overlay--blur {
  -webkit-mask-image: radial-gradient(
    rgba(235, 235, 235, 0) 70%,
    var(--dg-overlay-blur-color) 90%
  );
  mask-image: radial-gradient(
    rgba(235, 235, 235, 0) 70%,
    var(--dg-overlay-blur-color) 90%
  );
  backdrop-filter: blur(3px);
}

/* Items */
.dg-item {
  width: calc(var(--dg-item-width) * var(--dg-item-size-x));
  height: calc(var(--dg-item-height) * var(--dg-item-size-y));
  position: absolute;
  top: -999px;
  bottom: -999px;
  left: -999px;
  right: -999px;
  margin: auto;
  transform-origin: 50% 50%;
  backface-visibility: hidden;
  transition: transform 300ms;
  transform:
    rotateY(calc(var(--dg-rot-y) * (var(--dg-offset-x) + ((var(--dg-item-size-x) - 1) / 2)) + var(--dg-rot-y-delta, 0deg)))
    rotateX(calc(var(--dg-rot-x) * (var(--dg-offset-y) - ((var(--dg-item-size-y) - 1) / 2)) + var(--dg-rot-x-delta, 0deg)))
    translateZ(var(--dg-radius));
}

.dg-item__image {
  position: absolute;
  display: block;
  inset: 10px;
  border-radius: var(--dg-tile-radius);
  background: transparent;
  overflow: hidden;
  backface-visibility: hidden;
  transition: transform 300ms;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  pointer-events: auto;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.dg-item__image:focus {
  outline: none;
}

.dg-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  backface-visibility: hidden;
  filter: var(--dg-image-filter);
}

/* Viewer */
.dg-viewer {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--dg-viewer-pad);
}

.dg-viewer .dg-frame {
  height: 100%;
  aspect-ratio: 1;
  border-radius: var(--dg-enlarge-radius);
  display: flex;
}

@media (max-aspect-ratio: 1/1) {
  .dg-viewer .dg-frame {
    height: auto;
    width: 100%;
  }
}

.dg-viewer .dg-scrim {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 500ms ease;
  backdrop-filter: blur(3px);
}

.dg-root[data-enlarging="true"] .dg-viewer .dg-scrim {
  opacity: 1;
  pointer-events: all;
}

.dg-viewer .dg-enlarge {
  position: absolute;
  z-index: 30;
  border-radius: var(--dg-enlarge-radius);
  overflow: hidden;
  transition: transform 500ms ease, opacity 500ms ease;
  transform-origin: top left;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.dg-viewer .dg-enlarge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--dg-image-filter);
}

.dg-root .dg-enlarge-closing img {
  filter: var(--dg-image-filter);
}

/* Edge Fades */
.dg-edge-fade {
  position: absolute;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--dg-overlay-blur-color)
  );
}

.dg-edge-fade--top {
  top: 0;
  transform: rotate(180deg);
}

.dg-edge-fade--bottom {
  bottom: 0;
}

/* Scroll lock */
body.dg-scroll-lock {
  overflow: hidden;
}

/* Gallery section wrapper */
.dome-gallery-section {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 600px;
  background: #0a0a0a;
  overflow: hidden;
}

@media (max-width: 768px) {
  .dome-gallery-section {
    height: 70vh;
    min-height: 450px;
  }
}