.chambre-hero {
  position: relative;
  width: 100%;
  height: 100vh; /* Hauteur = 100% de la fenêtre */
  overflow: hidden;
  display: flex;
  align-items: flex-end; /* Pour overlay en bas */
  justify-content: center;
}

.chambre-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.chambre-description-overlay {
  position: relative; /* Pour overlay sur image */
  z-index: 2;
  background: rgba(30,30,30,0.6);
  color: #fff;
  padding: 2em 2.5em 2em 2.5em;
  border-radius: 0 0 24px 24px;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  min-width: 300px;
  max-width: 80vw;
  margin-bottom: 3vh;
}

.prev-photo, .next-photo {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.7);
  border: none; border-radius: 50%;
  width: 44px; height: 44px;
  font-size: 1.8em;
  color: #333;
  cursor: pointer;
  z-index: 3;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: background 0.2s;
}
.prev-photo { left: 2vw; }
.next-photo { right: 2vw; }

@media (max-width: 900px) {
  .chambre-description-overlay {
    max-width: 94vw;
    padding: 1em;
    border-radius: 0 0 14px 14px;
    min-width: 0;
  }
}