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HTML

              
                <section class="section green"></section>
<section id="mainContainer" class="main">
  <div class="section blue"></div>
  <div class="horizontal-wrapper">
    <div class="horizontal-container one">
      <div class="panel purple"></div>
      <div class="panel gray"></div>
      <div class="panel green"></div>
    </div>
  </div>
  <div class="section blue"></div>
  <div class="section orange"></div>
  <div class="horizontal-wrapper two">
    <div class="horizontal-container two">
      <div class="panel purple"></div>
      <div class="panel gray"></div>
      <div class="panel green"></div>
    </div>
  </div>
  <div class="section orange"></div>
  <div class="section red"></div>
  <div class="horizontal-wrapper">
    <div class="horizontal-container three">
      <div class="panel purple"></div>
      <div class="panel gray"></div>
      <div class="panel green"></div>
    </div>
  </div>
  <div class="section red"></div>
</section>
<section class="section green"></section>
              
            
!

CSS

              
                @import url("https://fonts.googleapis.com/css2?family=Signika+Negative:wght@400;600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  font-family: "Signika Negative", sans-serif, Arial;
}

.section {
  width: 100%;
  height: 100vh;
}

.gray {
  background-color: #777;
  background-image: radial-gradient(
      circle at 47% 14%,
      rgba(205, 205, 205, 0.04) 0%,
      rgba(205, 205, 205, 0.04) 43%,
      transparent 43%,
      transparent 100%
    ),
    radial-gradient(
      circle at 35% 12%,
      rgba(215, 215, 215, 0.04) 0%,
      rgba(215, 215, 215, 0.04) 4%,
      transparent 4%,
      transparent 100%
    ),
    radial-gradient(
      circle at 1% 35%,
      rgba(24, 24, 24, 0.04) 0%,
      rgba(24, 24, 24, 0.04) 37%,
      transparent 37%,
      transparent 100%
    ),
    radial-gradient(
      circle at 21% 1%,
      rgba(0, 0, 0, 0.04) 0%,
      rgba(0, 0, 0, 0.04) 26%,
      transparent 26%,
      transparent 100%
    ),
    radial-gradient(
      circle at 23% 82%,
      rgba(249, 249, 249, 0.04) 0%,
      rgba(249, 249, 249, 0.04) 60%,
      transparent 60%,
      transparent 100%
    ),
    radial-gradient(
      circle at 11% 54%,
      rgba(251, 251, 251, 0.04) 0%,
      rgba(251, 251, 251, 0.04) 23%,
      transparent 23%,
      transparent 100%
    ),
    radial-gradient(
      circle at 69% 68%,
      rgba(234, 234, 234, 0.04) 0%,
      rgba(234, 234, 234, 0.04) 10%,
      transparent 10%,
      transparent 100%
    ),
    linear-gradient(90deg, #777, #606060);
}

.blue {
  background-color: #2c7ad2;
  background-image: radial-gradient(
      circle at 47% 14%,
      rgba(205, 205, 205, 0.04) 0%,
      rgba(205, 205, 205, 0.04) 43%,
      transparent 43%,
      transparent 100%
    ),
    radial-gradient(
      circle at 35% 12%,
      rgba(215, 215, 215, 0.04) 0%,
      rgba(215, 215, 215, 0.04) 4%,
      transparent 4%,
      transparent 100%
    ),
    radial-gradient(
      circle at 1% 35%,
      rgba(24, 24, 24, 0.04) 0%,
      rgba(24, 24, 24, 0.04) 37%,
      transparent 37%,
      transparent 100%
    ),
    radial-gradient(
      circle at 21% 1%,
      rgba(0, 0, 0, 0.04) 0%,
      rgba(0, 0, 0, 0.04) 26%,
      transparent 26%,
      transparent 100%
    ),
    radial-gradient(
      circle at 23% 82%,
      rgba(249, 249, 249, 0.04) 0%,
      rgba(249, 249, 249, 0.04) 60%,
      transparent 60%,
      transparent 100%
    ),
    radial-gradient(
      circle at 11% 54%,
      rgba(251, 251, 251, 0.04) 0%,
      rgba(251, 251, 251, 0.04) 23%,
      transparent 23%,
      transparent 100%
    ),
    radial-gradient(
      circle at 69% 68%,
      rgba(234, 234, 234, 0.04) 0%,
      rgba(234, 234, 234, 0.04) 10%,
      transparent 10%,
      transparent 100%
    ),
    linear-gradient(90deg, #2c7ad2, #1568c6);
}

.orange {
  background-color: #e77614;
  background-image: radial-gradient(
      circle at 46% 40%,
      rgba(228, 228, 228, 0.06) 0%,
      rgba(228, 228, 228, 0.06) 13%,
      transparent 13%,
      transparent 100%
    ),
    radial-gradient(
      circle at 11% 41%,
      rgba(198, 198, 198, 0.06) 0%,
      rgba(198, 198, 198, 0.06) 19%,
      transparent 19%,
      transparent 100%
    ),
    radial-gradient(
      circle at 52% 23%,
      rgba(14, 14, 14, 0.06) 0%,
      rgba(14, 14, 14, 0.06) 69%,
      transparent 69%,
      transparent 100%
    ),
    radial-gradient(
      circle at 13% 85%,
      rgba(148, 148, 148, 0.06) 0%,
      rgba(148, 148, 148, 0.06) 44%,
      transparent 44%,
      transparent 100%
    ),
    radial-gradient(
      circle at 57% 74%,
      rgba(232, 232, 232, 0.06) 0%,
      rgba(232, 232, 232, 0.06) 21%,
      transparent 21%,
      transparent 100%
    ),
    radial-gradient(
      circle at 59% 54%,
      rgba(39, 39, 39, 0.06) 0%,
      rgba(39, 39, 39, 0.06) 49%,
      transparent 49%,
      transparent 100%
    ),
    radial-gradient(
      circle at 98% 38%,
      rgba(157, 157, 157, 0.06) 0%,
      rgba(157, 157, 157, 0.06) 24%,
      transparent 24%,
      transparent 100%
    ),
    radial-gradient(
      circle at 8% 6%,
      rgba(60, 60, 60, 0.06) 0%,
      rgba(60, 60, 60, 0.06) 12%,
      transparent 12%,
      transparent 100%
    ),
    linear-gradient(90deg, #ff7600, #ff7600);
}

.red {
  background-color: #c82736;
  background-image: radial-gradient(
      circle at 19% 90%,
      rgba(190, 190, 190, 0.04) 0%,
      rgba(190, 190, 190, 0.04) 17%,
      transparent 17%,
      transparent 100%
    ),
    radial-gradient(
      circle at 73% 2%,
      rgba(78, 78, 78, 0.04) 0%,
      rgba(78, 78, 78, 0.04) 94%,
      transparent 94%,
      transparent 100%
    ),
    radial-gradient(
      circle at 45% 2%,
      rgba(18, 18, 18, 0.04) 0%,
      rgba(18, 18, 18, 0.04) 55%,
      transparent 55%,
      transparent 100%
    ),
    radial-gradient(
      circle at 76% 60%,
      rgba(110, 110, 110, 0.04) 0%,
      rgba(110, 110, 110, 0.04) 34%,
      transparent 34%,
      transparent 100%
    ),
    radial-gradient(
      circle at 68% 56%,
      rgba(246, 246, 246, 0.04) 0%,
      rgba(246, 246, 246, 0.04) 16%,
      transparent 16%,
      transparent 100%
    ),
    radial-gradient(
      circle at 71% 42%,
      rgba(156, 156, 156, 0.04) 0%,
      rgba(156, 156, 156, 0.04) 47%,
      transparent 47%,
      transparent 100%
    ),
    radial-gradient(
      circle at 46% 82%,
      rgba(247, 247, 247, 0.04) 0%,
      rgba(247, 247, 247, 0.04) 39%,
      transparent 39%,
      transparent 100%
    ),
    radial-gradient(
      circle at 50% 47%,
      rgba(209, 209, 209, 0.04) 0%,
      rgba(209, 209, 209, 0.04) 45%,
      transparent 45%,
      transparent 100%
    ),
    linear-gradient(90deg, #e53949, #cc2232);
}

.purple {
  background-color: #8d3dae;
  background-image: radial-gradient(
      circle at 47% 14%,
      rgba(205, 205, 205, 0.04) 0%,
      rgba(205, 205, 205, 0.04) 43%,
      transparent 43%,
      transparent 100%
    ),
    radial-gradient(
      circle at 35% 12%,
      rgba(215, 215, 215, 0.04) 0%,
      rgba(215, 215, 215, 0.04) 4%,
      transparent 4%,
      transparent 100%
    ),
    radial-gradient(
      circle at 1% 35%,
      rgba(24, 24, 24, 0.04) 0%,
      rgba(24, 24, 24, 0.04) 37%,
      transparent 37%,
      transparent 100%
    ),
    radial-gradient(
      circle at 21% 1%,
      rgba(0, 0, 0, 0.04) 0%,
      rgba(0, 0, 0, 0.04) 26%,
      transparent 26%,
      transparent 100%
    ),
    radial-gradient(
      circle at 23% 82%,
      rgba(249, 249, 249, 0.04) 0%,
      rgba(249, 249, 249, 0.04) 60%,
      transparent 60%,
      transparent 100%
    ),
    radial-gradient(
      circle at 11% 54%,
      rgba(251, 251, 251, 0.04) 0%,
      rgba(251, 251, 251, 0.04) 23%,
      transparent 23%,
      transparent 100%
    ),
    radial-gradient(
      circle at 69% 68%,
      rgba(234, 234, 234, 0.04) 0%,
      rgba(234, 234, 234, 0.04) 10%,
      transparent 10%,
      transparent 100%
    ),
    linear-gradient(90deg, #8d3dae, #8d3dae);
}

.green {
  background-color: #28a92b;
  background-image: radial-gradient(
      circle at 46% 40%,
      rgba(228, 228, 228, 0.06) 0%,
      rgba(228, 228, 228, 0.06) 13%,
      transparent 13%,
      transparent 100%
    ),
    radial-gradient(
      circle at 11% 41%,
      rgba(198, 198, 198, 0.06) 0%,
      rgba(198, 198, 198, 0.06) 19%,
      transparent 19%,
      transparent 100%
    ),
    radial-gradient(
      circle at 52% 23%,
      rgba(14, 14, 14, 0.06) 0%,
      rgba(14, 14, 14, 0.06) 69%,
      transparent 69%,
      transparent 100%
    ),
    radial-gradient(
      circle at 13% 85%,
      rgba(148, 148, 148, 0.06) 0%,
      rgba(148, 148, 148, 0.06) 44%,
      transparent 44%,
      transparent 100%
    ),
    radial-gradient(
      circle at 57% 74%,
      rgba(232, 232, 232, 0.06) 0%,
      rgba(232, 232, 232, 0.06) 21%,
      transparent 21%,
      transparent 100%
    ),
    radial-gradient(
      circle at 59% 54%,
      rgba(39, 39, 39, 0.06) 0%,
      rgba(39, 39, 39, 0.06) 49%,
      transparent 49%,
      transparent 100%
    ),
    radial-gradient(
      circle at 98% 38%,
      rgba(157, 157, 157, 0.06) 0%,
      rgba(157, 157, 157, 0.06) 24%,
      transparent 24%,
      transparent 100%
    ),
    radial-gradient(
      circle at 8% 6%,
      rgba(60, 60, 60, 0.06) 0%,
      rgba(60, 60, 60, 0.06) 12%,
      transparent 12%,
      transparent 100%
    ),
    linear-gradient(90deg, #28a92b, #10a614);
}

.main {
  position: relative;
}

.horizontal-wrapper {
  width: 100%;
  height: 30vh;
  overflow: hidden;
}

.horizontal-container {
  height: 100%;
  display: flex;
  flex-wrap: nowrap;
}

.panel {
  width: 100%;
  height: 100%;
  flex: 1 0 100%;
}

              
            
!

JS

              
                console.clear();
const horizontalElements = gsap.utils.toArray(".horizontal-wrapper");
const panelsArray = [];
horizontalElements.forEach((el, i) => {
  const container = el.querySelector(".horizontal-container");
  const panels = gsap.utils.toArray(".panel", container);
  panelsArray.push(panels.length);
  gsap.to(container, {
    xPercent: -(100 * (panels.length - 1)),
    ease: "none",
    scrollTrigger: {
      trigger: container,
      start: (s) => {
        if (i) {
          return (
            "center+=" + window.innerHeight * i * panelsArray[i - 1] + " center"
          );
        } else {
          return "center center";
        }
      },
      end: "+=" + 100 * panels.length + "%",
      pin: "#mainContainer",
      scrub: true,
      markers: {
        indent: 150 * i,
        startColor: "white",
        endColor: "white"
      },
      id: i + 1
    }
  });
});

              
            
!
999px

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