html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: beige;
  scroll-snap-type: y mandatory;
}

body {
  scroll-snap-type: y mandatory;
}

.snap{
  scroll-snap-align: start;
  position: absolute;
  top: calc(100lvh * var(--snap-n,0));
  width: 100%;
  height: 1px;
}

.placeholder{
  height: 60vh;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: min(20vh,10vw);
  font-weight: bold;
  text-transform: uppercase;
  scroll-snap-align: start;
}

/* classi per slider */
.slider-continer {
  height: calc(100lvh * var(--slide-n,1));
  position: relative;
}

.slide-pin {
  width: 100%;
  height: 100lvh;
  position: sticky;
  top: 0;
  font-size: min(18vh,10vw);
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100lvh;
  overflow: hidden;
  transform-origin: top;
}

.slide-content {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100lvh;
  position: sticky;
  top: 0;
  color: white;
  font-size: 5rem;
  text-shadow: 0 0 10px rgba(0,0,0,0.5);
  background-size: cover;
  background-position: center;
  transform-origin: top;
}