<div class="wrapper">
  <heading>
    <h1>Circular Wipe</h1>
    <p>Hover or tap to see transition</p>
  </heading>
  <div class="scenes" tabindex="0">
    <div class="scene-1"></div>
    <div class="scene-2"></div>
  </div>
  <div class="visualizer">
    <div class="visualizer-mask"></div>
  </div>
</div>

@font-face {
  font-family: "Star Jedi Hollow";
  src: url("https://raw.githubusercontent.com/robole/artifice/main/star-wars-circular-wipe/assets/fonts/Starjedi-hollow.woff2");
}

.scenes {
  position: relative;
  aspect-ratio: 1920 / 820;
  outline: 2px solid #ccc;

  width: 100%;
}

.scene-1,
.scene-2 {
  position: absolute;
  inset: 0;
  background-size: cover;
}

.scene-1 {
  background-image: url("https://raw.githubusercontent.com/robole/artifice/main/star-wars-circular-wipe/assets/img/scene-1.jpg");
}

.scene-2 {
  clip-path: circle(0% at 50% 50%);
  background-image: url("https://raw.githubusercontent.com/robole/artifice/main/star-wars-circular-wipe/assets/img/scene-2.jpg");
}

@keyframes scene-transition {
  100% {
    clip-path: circle(85% at 50% 50%);
  }
}

@keyframes scene-transition {
  100% {
    clip-path: circle(85% at 50% 50%);
  }
}

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

/* 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;
  justify-items: center;
  gap: 1.5rem;
  width: min(1000px, 100%);
}

.wrapper heading {
  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-color: white;
  width: 100%;
  height: 100%;
  clip-path: circle(0% at 50% 50%);
}

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