Clip-Path Image Reveal

[hidden] {
  display: none !important;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f4f2ee;
  color: #1a1a1a;
}

.hero {
  min-height: 50vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem;
}

.grid {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.25rem 40vh;
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.reveal {
  margin: 0;
}

.frame {
  overflow: hidden;
  border-radius: 8px;
  clip-path: inset(0 100% 0 0);
}

.reveal--right .frame {
  clip-path: inset(0 0 0 100%);
}

.frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transform: scale(1.08);
}

figcaption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
}

const reduced = window.matchMedia("(prefers-reduced-motion: reduce)").matches;

gsap.registerPlugin(ScrollTrigger);

document.querySelectorAll("[data-reveal]").forEach((block) => {
  const frame = block.querySelector(".frame");
  const img = block.querySelector("img");
  const fromClip = block.classList.contains("reveal--right")
    ? "inset(0 0 0 100%)"
    : "inset(0 100% 0 0)";

  if (reduced) {
    gsap.set(frame, { clipPath: "inset(0 0 0 0)" });
    gsap.set(img, { scale: 1 });
    return;
  }

  const tl = gsap.timeline({
    scrollTrigger: {
      trigger: block,
      start: "top 80%",
      end: "top 35%",
      scrub: 0.5,
    },
  });

  tl.fromTo(frame, { clipPath: fromClip }, { clipPath: "inset(0 0 0 0)", ease: "power2.out" }).fromTo(
    img,
    { scale: 1.12 },
    { scale: 1, ease: "power2.out" },
    0
  );
});

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Clip Reveal Images</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <header class="hero">
      <h1>Clip reveals</h1>
      <p>Scroll to unmask each frame.</p>
    </header>

    <main class="grid">
      <figure class="reveal" data-reveal>
        <div class="frame"><img src="https://images.unsplash.com/photo-1469474968028-56623f02e42e?w=800&q=80" alt="" /></div>
        <figcaption>Horizon</figcaption>
      </figure>
      <figure class="reveal reveal--right" data-reveal>
        <div class="frame"><img src="https://images.unsplash.com/photo-1441974231531-c6227db76b6e?w=800&q=80" alt="" /></div>
        <figcaption>Canopy</figcaption>
      </figure>
      <figure class="reveal" data-reveal>
        <div class="frame"><img src="https://images.unsplash.com/photo-1470071459604-3b5ec3a7fe05?w=800&q=80" alt="" /></div>
        <figcaption>Fog line</figcaption>
      </figure>
    </main>

    <script src="https://cdn.jsdelivr.net/npm/gsap@3.12.5/dist/gsap.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/gsap@3.12.5/dist/ScrollTrigger.min.js"></script>
    <script src="script.js"></script>
  </body>
</html>