:root {
  --bg: #0f1221;
  --text: #f2f4ff;
  --panel-bg-1: #F7F1E9;
  --panel-bg-2: #C1CAAD;
  --panel-bg-3: #B1A18F;
  --panel-bg-4: #BFCCD8;
  --panel-bg-5: #AC726C;
  --panel-bg-6: #B69E77;
}


.content {
  max-width: 680px;
}

.hscroll-section {
  position: relative;
  /* La hauteur est recalculée en JS selon la largeur à parcourir */
  height: 300vh;
}

.hscroll-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.hscroll-track {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  height: 100%;
  will-change: transform;
}

.panel {
  flex: 0 0 auto;
  width: 100vw;
  height: 100%;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  transform-origin: var(--fold-origin, left) center;
  /*transform: perspective(1200px)*/
  /*  rotateY(calc((1 - var(--unfold, 1)) * var(--fold-angle-sign, -1) * 28deg))*/
  /*  scaleX(calc(0.96 + var(--unfold, 1) * 0.04));*/
  box-shadow: calc((1 - var(--unfold, 1)) * -22px) 0 calc((1 - var(--unfold, 1)) * 40px)
    rgba(0, 0, 0, 0.35);
  opacity: 1;
  transition: opacity 0.25s ease;
}
.panel0{
  display: grid;
  place-items: center;
  text-align: center;
}

.panel[class*="panel_"] {
  background-color: #111;
  background-repeat: no-repeat;
  background-position: right center;
  background-size: auto calc(var(--media-height, 50) * 1%);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    96deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0) 42%,
    rgba(0, 0, 0, 0.2) 100%
  );
  opacity: calc((1 - var(--unfold, 1)) * 0.65);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 var(--fold-line-left, 0);
  right: var(--fold-line-right, auto);
  width: 2px;
  background: rgba(255, 255, 255, 0.3);
  opacity: calc((1 - var(--unfold, 1)) * 0.8);
  pointer-events: none;
}

.panel:nth-child(1) {
  background: var(--panel-bg-1);
  transform: none;
  box-shadow: none;
}

.panel:nth-child(1)::after {
  display: none;
}

.panel:nth-child(1)::before {
  display: none;
}

.panel:nth-child(2) {
  background-color: var(--panel-bg-2);
}

.panel:nth-child(3) {
  background-color: var(--panel-bg-3);
}

.panel:nth-child(4) {
  background-color: var(--panel-bg-4);
}
.panel:nth-child(5) {
  background-color: var(--panel-bg-5);
}
.panel:nth-child(6) {
  background-color: var(--panel-bg-6);
}

.panel.is-hidden {
  opacity: 0;
  pointer-events: none;
}

h1,
h2,
p {
  margin: 0 0 0.5rem;
}
.panel img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 991px) {
  .hscroll-section {
    height: auto !important;
  }

  .hscroll-sticky {
    position: relative;
    height: auto;
    overflow: visible;
  }

  .hscroll-track {
    display: block;
    height: auto;
    transform: none !important;
  }

  .panel {
    position: sticky;
    top: 0;
    width: 100% !important;
    height: 50vh;
    border-radius: 0;
    transform: none !important;
    opacity: 1 !important;
    text-align: start;
  }
  .panel0{
    height: inherit;
  }

  .panel:nth-child(1) {
    z-index: 10;
  }

  .panel:nth-child(2) {
    z-index: 20;
  }

  .panel:nth-child(3) {
    z-index: 30;
  }

  .panel:nth-child(4) {
    z-index: 40;
  }

  .panel:nth-child(5) {
    z-index: 50;
  }

  .panel:nth-child(6) {
    z-index: 60;
  }
}