body.lightbox-open{
  overflow:hidden;
}


/* ---------- GRID FOTOS ---------- */

.photoGrid{
  padding-top:120px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:10px;
  width:95%;
  margin:auto;
}

.photoGrid img{
  width:100%;
  height:250px;
  object-fit:cover;
  cursor:pointer;
  transition:transform 0.4s ease, filter 0.4s ease;
  filter:contrast(90%);
  display:block;
}

.photoGrid img:hover{
  transform:scale(1.05);
  filter:contrast(110%);
}


/* ---------- LIGHTBOX ---------- */

.lightbox{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.75);
  display:none;
  justify-content:center;
  align-items:center;
  z-index:2000;
  animation:fadeCinema 0.3s ease;
}

.lightbox.active{
  display:flex;
}

.lightbox img{
  max-width:90%;
  max-height:90%;
  box-shadow:0 10px 40px rgba(0,0,0,0.6);
  object-fit:contain;
  display:block;
  transition:filter 0.25s ease;
}

.lightbox img.loading{
  filter:blur(8px);
}


/* ---------- FLECHAS ---------- */

.arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  font-size:40px;
  color:white;
  cursor:pointer;
  padding:20px;
  user-select:none;
  transition:transform 0.2s ease, opacity 0.2s ease;
  line-height:1;
}

.arrow:hover{
  transform:translateY(-50%) scale(1.2);
  opacity:0.85;
}

.arrow.left{
  left:20px;
}

.arrow.right{
  right:20px;
}


/* ---------- ANIMACION ---------- */

@keyframes fadeCinema{
  from{
    opacity:0;
  }
  to{
    opacity:1;
  }
}


/* ---------- MOBILE ---------- */

@media(max-width:700px){

  .photoGrid{
    grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
    gap:8px;
    width:94%;
  }

  .photoGrid img{
    height:180px;
  }

  .lightbox img{
    max-width:90%;
    max-height:85%;
  }

  .arrow{
    font-size:32px;
    padding:14px;
  }

  .arrow.left{
    left:8px;
  }

  .arrow.right{
    right:8px;
  }
}