.ambiente { background: var(--black-2); }

.ambiente-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 12px;
}
.ambiente-item {
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}
.ambiente-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.ambiente-item:hover img { transform: scale(1.06); }

.ambiente-item.is-tall { grid-row: span 2; }

@media (max-width: 900px) {
  .ambiente-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
}
@media (max-width: 520px) {
  .ambiente-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .ambiente-item.is-tall { grid-row: span 1; }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,10,10,.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  padding: 40px;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 4px; }
.lightbox-close {
  position: absolute;
  top: 28px;
  right: 32px;
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  padding: 10px 18px;
  border-radius: 999px;
  transition: border-color .2s ease;
}
.lightbox-close:hover { border-color: var(--white); }