/* Galerie */
.portfolio-grid img {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.portfolio-grid img:hover {
  transform: scale(1.05);
}

.portfolio-img-container img,
.portfolio-img-container .img-overlay {
  transition: transform 0.3s ease;
  position: relative;
  z-index: 3;
}

.portfolio-img-container:hover img,
.portfolio-img-container:hover .img-overlay,
.portfolio-img-container .img-overlay:hover,
.portfolio-img-container .img-overlay:focus {
  transform: scale(1.05);
  z-index: 10; /* Bei Bedarf */
  position: relative; /* Damit z-index greifen kann */
  transition: transform 0.3s ease;
}

/* Größe & Hover für Bilder in .fotos */
.fotos picture,
.fotos picture img {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.fotos picture:hover,
.fotos picture img:hover {
  transform: scale(1.05);
  z-index: 10;
  position: relative;
}

/* Overlay Lightbox */
#lightbox {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s;
  z-index: 1000;
  overflow: hidden;
}

#lightbox.active {
  opacity: 1;
  visibility: visible;
}

/* Lightbox Bild */
.lightbox-img {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.4s ease, top 0.4s ease, left 0.4s ease, width 0.4s ease, height 0.4s ease;
  max-width: 100vw;
  max-height: 100vh;
  z-index: 1000;
}

img[tabindex="0"]:focus {
  outline: none;
}

img[tabindex="0"]:focus-visible {
  outline: 3px solid #000;
  outline-offset: 2px;
}

/* Vor- und Zurück Buttons */
#prev, #next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: white;
  cursor: pointer;
  user-select: none;
  z-index: 2000;
}

#closeLightbox {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  color: white;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 2000;
}

#prev { left: 20px; }
#next { right: 20px; }

@media (max-width: 768px) {
  #prev, #next {
    display: none;
  }
}