/* Explore scene: a photo wider than the screen, panned by swipe or drag. */
.scene {
  position: relative;
  isolation: isolate;
  --scene-height: 100svh;
  overflow: hidden;
  background: var(--color-foreground);
  color: var(--color-on-media);
}

.scene--large {
  --scene-height: 80svh;
}

.scene__header {
  position: absolute;
  top: 1.5rem;
  left: var(--page-margin);
  z-index: 3;
  pointer-events: none;
}

.scene__heading {
  margin: 0;
  color: var(--color-on-media);
  text-shadow: 0 1px 12px rgb(0 0 0 / 0.35);
}

.scene__viewport {
  height: var(--scene-height);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  cursor: grab;
}

.scene__viewport::-webkit-scrollbar {
  display: none;
}

.scene__viewport.is-dragging {
  cursor: grabbing;
}

.scene__viewport:focus-visible {
  outline: 2px solid var(--color-on-media);
  outline-offset: -4px;
}

/* At least 1.6 screens wide, otherwise as wide as the photo's proportions. */
.scene__canvas {
  position: relative;
  height: 100%;
  width: max(160vw, calc(var(--scene-height) * var(--scene-ratio)));
}

.scene__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* ---------- Points ---------- */
.scene__point {
  position: absolute;
  left: var(--x);
  top: var(--y);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  translate: -50% -50%;
  color: var(--color-foreground);
  text-decoration: none;
}

.scene__dot {
  position: relative;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--scene-point);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.15);
}

.scene__dot::after {
  content: '';
  position: absolute;
  inset: -0.75rem;
  border: 1.5px solid var(--scene-point);
  border-radius: 50%;
  animation: scene-pulse 2.2s ease-out infinite;
}

@keyframes scene-pulse {
  from { opacity: 0.9; scale: 0.4; }
  to { opacity: 0; scale: 1.4; }
}

.scene__label {
  position: absolute;
  bottom: calc(100% + 0.25rem);
  left: 50%;
  padding: 0.45rem 0.75rem;
  translate: -50% 0.25rem;
  background: var(--scene-point);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, translate 200ms ease;
}

.scene__label::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  border: 5px solid transparent;
  border-top-color: var(--scene-point);
  translate: -50% 0;
}

.scene__point:is(:hover, :focus-visible, .is-open) .scene__label {
  opacity: 1;
  translate: -50% 0;
  pointer-events: auto;
}

.scene__point:focus-visible {
  outline: none;
}

.scene__point:focus-visible .scene__dot {
  outline: 2px solid var(--color-on-media);
  outline-offset: 4px;
}

/* ---------- Swipe hint ---------- */
.scene__hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  translate: -50% 0;
  border-radius: 999px;
  background: rgb(0 0 0 / 0.45);
  backdrop-filter: blur(6px);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 400ms ease;
}

.scene__hint svg {
  animation: scene-swipe 1.8s ease-in-out infinite;
}

@keyframes scene-swipe {
  0%, 100% { translate: -6px 0; }
  50% { translate: 6px 0; }
}

.scene.has-moved .scene__hint {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  .scene__dot::after,
  .scene__hint svg {
    animation: none;
  }
}