/* ============================================
   Image Lightbox & Hover Pulse
   ============================================ */

/* Clickable image trigger */
.lightbox-trigger {
  cursor: pointer;
  transition: transform var(--transition-base);
}
.lightbox-trigger:hover {
  animation: img-pulse 1.5s ease-in-out infinite;
}
@keyframes img-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* Lightbox overlay */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  cursor: pointer;
  padding: 24px;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-slow);
  cursor: default;
}
.lightbox-overlay.active img {
  transform: scale(1);
}
.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}