@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

body {
  margin: 0;
  display: grid;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: auto;
  object-fit: contain;
}

body > * {
  grid-column: 1/-1;
  grid-row: 1/-1;
}

div {
  display: grid;
  place-content: center;
  height: 100dvh;
  overflow: hidden;
}

div > * {
  grid-row: 1/-1;
  grid-column: 1/-1;
  display: block;
  text-align: center;
  font: 700 10vmin/1.2 "Inter", system-ui;
  color: white;
  letter-spacing: 5;
  text-transform: uppercase;
  translate: 0;
  scale: 1;
  opacity: 0;
  animation: grow 4s cubic-bezier(1, 0, .8, 1);
  animation-delay: 500ms;
}

span.zoom {
  font-size: 100vmin;
}

span.slide {
  position: relative;
  isolation: isolate;
  animation: glow 3.5s linear;
  animation-delay: 250ms;
}

span.slide::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  -webkit-text-stroke: 0.2em #000;
  z-index: -1;
}

span.paper {
  --color: #000;
  --tr-start: 0 800px;
  color: var(--color);
  translate: 0;
  scale: 2;
  opacity: 0;
  filter: drop-shadow(2px 2px 2px var(--color)) invert(0.2);
  animation: appear 1.5s cubic-bezier(0.9, 0, 0.77, 1.18);
  animation-delay: 300ms;
}

span.paper:nth-of-type(even) {
  --tr-start: -1400px 0;
  --color: #f33;
}

@keyframes appear {
  0% {
    translate: var(--tr-start);
    opacity: 0;
  }

  5% {
    opacity: 0;
  }

  15% {
    opacity: 1;
  }

  20% {
    translate: 0;
    opacity: 1;
  }

  50% {
    opacity: 1;
  }

  80% {
    translate: 0;
    opacity: 0.1;
  }

  85% {
    translate: 400px 0;
  }

  90% {
    opacity: 0;
  }

  95% {
    translate: 400px 0;
    opacity: 0;
  }

  100% {
    translate: 400px 0;
  }
}

@keyframes glow {
  0% {
    scale: 0.125;
    translate: 800px 0;
    opacity: 0;
  }

  5% {
    opacity: 1;
  }

  10% {
    translate: 0;
    opacity: 1;
  }

  95% {
    scale: 4;
    opacity: 0;
  }

  100% {
    scale: 4;
    opacity: 0;
  }
}

@keyframes grow {
  0% {
    scale: .0125;
    opacity: 0;
  }

  36% {
    opacity: 1;
  }

  95% {
    opacity: 0;
  }

  100% {
    scale: 3;
    opacity: 0;
    letter-spacing: 2em;
  }
}