Sticky Pin + Scale

Shape scales up as you scroll

SCALE

How to use it

Paste the HTML where the scroll effects should appear. Include the script tags at the top once per page.
Add the CSS to your stylesheet. All classes are prefixed, so nothing clashes with your own styles.
Add the JavaScript and call init() with the element that contains the HTML.

<!-- Sticky Pin + Scale · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik. -->
<!-- benodigd, één keer per pagina: -->
<script src="https://cdn.jsdelivr.net/npm/gsap@3.13.0/dist/gsap.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/gsap@3.13.0/dist/ScrollTrigger.min.js"></script>

<div class="jouw-container">
<div class="sps"><div class="sps-stage"><div class="sps-box"><span>SCALE</span></div></div></div>
</div>

/* Sticky Pin + Scale · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik. */
.sps{position:absolute;inset:0;background:#0a0a0a;overflow:hidden}
.sps-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.sps-box{width:38%;aspect-ratio:1;background:#F5480F;border-radius:14px;display:flex;align-items:center;justify-content:center;font:900 clamp(16px,3vw,30px)/1 'Boldonse','Switzer',sans-serif;color:#0a0a0a;will-change:transform}

// Sticky Pin + Scale · Bron: Codrops · licentie MIT. Laat deze vermelding staan bij hergebruik.
// root = het element waarin de HTML staat
function init(root){
root=root.querySelector('.sps')||root;var box=root.querySelector('.sps-box');var reduce=matchMedia('(prefers-reduced-motion:reduce)').matches;if(!window.gsap||!window.ScrollTrigger||reduce)return;gsap.fromTo(box,{scale:.5,borderRadius:'80px'},{scale:2.2,borderRadius:'0px',ease:'none',scrollTrigger:{trigger:root,start:'top 80%',end:'bottom 30%',scrub:true}});
}
init(document.querySelector('.jouw-container'));

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