.contenedor {
  position: relative;
  padding: 30px;
  background: white;
  margin: 40px auto;
  width: 80%;
  border-top: 10px solid #b8860b;
}

h2 {
  color: #a38f1c;
  cursor: pointer;
  transition: color 0.3s;
}

h2:hover {
  color: #d4b000;
}

.imagenes img {
  width: 250px;
  height: auto;
  margin: 15px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Texto emergente superpuesto */
#textoEmergente {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,0.95);
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  max-width: 80%;
  color: #333;
  font-size: 18px;
  transition: opacity 0.4s;
}

/* Oculto por defecto */
.oculto {
  display: none;
}