.simple-slider {
  max-width: 44em;
  margin: 0 auto;
  position: relative;
}

.simple-slider input {
  display: none;
}

.slider {
  position: relative;
  height: 300px;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s;
}

.slide img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: black ridge 5px;
}

/* Área clickeable del enlace (centro) */
.slide-link {
  position: absolute;
  top: 0;
  left: 30%;
  width: 50%;
  height: 100%;
  z-index: 2;
}

/* Áreas de navegación (laterales) */
.nav-area {
  position: absolute;
  top: 0;
  height: 100%;
  width: 30%;
  z-index: 3;
  cursor: pointer;
}

.nav-area.prev {
  left: 0;
}

.nav-area.next {
  right: 0;
}

/* Mostrar slide activo */
#slide1:checked ~ .slider .slide:nth-child(1),
#slide2:checked ~ .slider .slide:nth-child(2),
#slide3:checked ~ .slider .slide:nth-child(3) {
  opacity: 1;
}

.controls {
  text-align: center;
  margin-top: 1rem;
}

.controls label {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  margin: 0 5px;
  cursor: pointer;
}

#slide1:checked ~ .controls label:nth-child(1),
#slide2:checked ~ .controls label:nth-child(2),
#slide3:checked ~ .controls label:nth-child(3) {
  background: #555;
}

@media only screen and (max-width: 55rem) {
  .slider {
  position: relative;
  height: 220px;
}
}