Stars Wars circular wipe (SVG mask)

<div class="wrapper">
  <header>
    <h1>Circular Wipe</h1>
    <p>Hover, tap, or focus below to see transition</p>
  </header>
  <div class="scenes" tabindex="0">
    <div class="scene-1 scene"></div>
    <svg class="scene-2 scene" viewBox="0 0 1920 820">
      <defs>
        <radialGradient id="myGradient">
          <stop offset="70%" stop-color="white" />
          <stop offset="100%" stop-color="transparent" />
        </radialGradient>
        <mask id="imageMask">
          <circle id="circleMask" cx="50%" cy="50%" r="50%" fill="url('#myGradient')" />
        </mask>
      </defs>
      <image width="100%" height="100%" preserveAspectRatio="xMidYMid slice" href="img/scene-2.jpg" mask="url(#imageMask)"></image>
    </svg>
  </div>
  <div class="visualizer">
    <div class="visualizer-mask"></div>
  </div>
  <p>This is the SVG mask version.</p>
</div>

@font-face {
  font-family: "Star Jedi Hollow";
  src: url("fonts/Starjedi-hollow.woff2");
}

:root {
  --ratio: 1920 / 820;
}

.scenes {
  position: relative;
  aspect-ratio: var(--ratio);
  border: 2px solid #ccc;
  width: 100%;
}

.scene {
  position: absolute;
  inset: 0;
}

.scene-1 {
  background-size: cover;
  background-image: url("img/scene-1.jpg");
}

.scene-2 {
  width: 100%;
  height: auto;
}

.scenes:is(:hover, :focus) #circleMask {
  animation: scene-transition 2s linear forwards;
}

#circleMask {
  transform: scale(0);
  transform-origin: center;
}

@keyframes scene-transition {
  to {
    transform: scale(4);
  }
}

/* everything else */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;

  color: #fff;
  background-color: #111;

  font-size: clamp(0.75rem, 0.3rem + 1.9vw, 1.5rem);
  font-family: "Roboto", sans-serif;
}

.wrapper {
  display: grid;
  gap: 1.5rem;
  width: min(1000px, 100%);
  justify-items: center;
}

.wrapper header {
  text-align: center;
  margin: 0;
}

h1 {
  font-family: "Star Jedi Hollow", serif;
  font-size: clamp(1.5rem, 1.25rem + 1.9vw, 3rem);
  color: rgb(255, 255, 44);
  margin: 0;
}

.visualizer {
  display: flex;
  justify-content: center;

  width: min(150px, 25vw);
  aspect-ratio: 2.4 / 1;
  outline: 2px solid #ccc;
  background-color: #333;
  background-image: linear-gradient(
      45deg,
      #444 25%,
      transparent 25%,
      transparent 75%,
      #444 75%
    ),
    linear-gradient(45deg, #444 25%, transparent 25%, transparent 75%, #444 75%);
  background-size: 16px 16px, 16px 16px;
  background-position: 0 0, 8px 8px;
  overflow: hidden;
}

.visualizer-mask {
  background-image: radial-gradient(
    circle at center,
    white 70%,
    transparent 100%
  );
  height: 100%;
  aspect-ratio: 1/1;
  margin: 0 auto;
  border-radius: 50%;

  transform: scale(0);
  transform-origin: center;
}

.scenes:is(:hover, :focus) + .visualizer .visualizer-mask {
  animation: scene-transition 2s linear forwards;
}