/* Case study image lightbox */
.lb-trigger { cursor: zoom-in; }
.lb-trigger:focus-visible { outline: 3px solid #000; outline-offset: 4px; }
body.dark .lb-trigger:focus-visible { outline-color: #fff; }

.lb {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  background: rgba(6, 6, 6, 0.96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  overscroll-behavior: contain;
  color: #fff;
  font-family: 'Geist', -apple-system, 'Helvetica Neue', sans-serif;
}
.lb.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0s;
}

.lb__stage {
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  padding:
    max(72px, calc(env(safe-area-inset-top) + 64px))
    max(24px, env(safe-area-inset-right))
    max(72px, calc(env(safe-area-inset-bottom) + 64px))
    max(24px, env(safe-area-inset-left));
  scrollbar-width: none;
}
.lb__stage::-webkit-scrollbar { display: none; }

.lb__img {
  display: block;
  margin: auto;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  cursor: zoom-in;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: manipulation;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.lb.is-open .lb__img.is-ready { opacity: 1; transform: scale(1); }
.lb__img.is-zoomed { max-width: none; max-height: none; cursor: zoom-out; border-radius: 0; }
.lb__stage.is-zoomed { cursor: grab; }
.lb__stage.is-dragging { cursor: grabbing; }
.lb__stage.is-zoomed .lb__img { cursor: inherit; }

.lb__btn {
  position: absolute;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.lb__btn:hover { background: rgba(255, 255, 255, 0.22); }
.lb__btn:active { transform: scale(0.94); }
.lb__btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.lb__btn svg { display: block; }

.lb__close {
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
}
.lb__zoom {
  top: max(16px, env(safe-area-inset-top));
  right: calc(max(16px, env(safe-area-inset-right)) + 56px);
}
.lb__prev, .lb__next { top: 50%; margin-top: -24px; }
.lb__prev { left: max(16px, env(safe-area-inset-left)); }
.lb__next { right: max(16px, env(safe-area-inset-right)); }
.lb__prev[hidden], .lb__next[hidden] { display: none; }

.lb__bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 16px max(24px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  pointer-events: none;
  background: linear-gradient(to top, rgba(6, 6, 6, 0.7), rgba(6, 6, 6, 0));
}
.lb__caption {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.3;
}
.lb__count {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.7px;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 767px) {
  .lb__stage {
    padding:
      max(64px, calc(env(safe-area-inset-top) + 56px))
      8px
      max(72px, calc(env(safe-area-inset-bottom) + 64px))
      8px;
  }
  .lb__prev, .lb__next { display: none; }
  .lb__btn { width: 44px; height: 44px; }
  .lb__caption, .lb__count { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .lb, .lb__img { transition: none; }
}