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HTML 

              
                <div class="purchase-inner">
                <div class="purchase__items">
                  <div class="purchase__items-inner">
                    <div class="purchase__item-content">
                      <span class="plate text-md-16">step I</span>
                      <h3 class="purchase__item-subtitle subtitle">Make a deposit</h3>
                      <span class="purchase__item-desc__txt text-md-16">
                        For clarity, we will show examples with FTM
                      </span>
                      <p class="purchase__item-text desc-txt">
                        Make a deposit in supported crypto assets (20+) on Midas platform
                      </p>
                    </div>
                    <div class="purchase__item-content">
                      <span class="plate text-md-16">
                        step II
                      </span>
                      <h3 class="purchase__item-subtitle subtitle">
                        Open Midas token share
                      </h3>
                      <p class="purchase__item-text desc-txt">
                        Open MIDAS token share and click on “Swap” button
                      </p>
                    </div>
                    <div class="purchase__item-content">
                      <span class="plate text-md-16">step III</span>
                      <h3 class="purchase__item-subtitle subtitle">
                        Make a swap
                      </h3>
                      <p class="purchase__item-text desc-txt">
                        Swap your crypto to MIDAS token and start earning 30% APY
                      </p>
                      <a class="btn" href="#" target="_blank">
                        Go to platform
                      </a>
                    </div>
                  </div>
                </div>
                <div class="purchase__desc">
                  <div class="purchase__desc-inner">
                    <div class="purchase__img">
                      <img src="https://cataas.com/cat" alt="deposit">
                    </div>
                    <div class="purchase__img">
                      <img src="https://cataas.com/cat/cute" alt="share deposit">
                    </div>
                    <div class="purchase__img">
                      <img src="https://cataas.com/cat/brasileira" alt="swap deposit">
                    </div>
                  </div>
                </div>
              </div>
!

CSS 

              
                .purchase {
  &-inner {
  margin: 100px 0;
    display: grid;
    grid-gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  &__item {
    &-content {
      min-height: 100vh;
      min-height: 100dvh;
    }

    &-desc__txt {
      margin-bottom: 24px;
      display: inline-block;
      color: #000
    }
  }

  &__desc {
    overflow: hidden;
    position: relative;
    max-height: 700px;
    min-height: 700px;
    border-radius: 48px;
    background: #ccc;
  }

  &__img {
    position: absolute;
    left: 10px;
    right: 10px;
    // bottom: -100%;
    img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
  }
}
!

JS 

              
                gsap.registerPlugin(ScrollTrigger);
const tl = gsap.timeline();

const purchaseDetails = gsap.utils.toArray(".purchase__item-content:not(:first-child)");
    const purchaseImages = gsap.utils.toArray(".purchase__img:not(:first-child)");
    const purchaseImagesAll = gsap.utils.toArray(".purchase__img");

    tl.set(purchaseImages, {
      yPercent: 100,
    })

    ScrollTrigger.create({
      trigger: ".purchase-inner",
      start: "top 20%",
      end: "bottom bottom",
      pin: ".purchase__desc",
    })

    purchaseDetails.forEach((detail, idx) => {
      const plate = detail.querySelector('.plate');
      // const animPin = gsap.timeline()
      console.log(purchaseDetails);
      tl
        .to(purchaseImages[idx], {
          yPercent: 0,
          duration: 3.7,
        })
        .to(purchaseImages[idx], {
          yPercent: '-100',
          duration: 3.7,
        })
        .set(purchaseImagesAll[idx], {
          autoAlpha: 0,
        })
        ScrollTrigger.create({
          trigger: plate,
          start: "top 40%",
          end: "bottom bottom",
          animation: tl,
          scrub: 3,
        })
    })
!
999px

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