:root {
  font-size: 16px;
  color: var(--text-50);
}

html {
  width: 100vw;
  height: 100vh;
}

body {
  position: absolute;
  background-color: var(--background-950);
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.background {
  background-color: var(--background-950);
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    radial-gradient(
      circle at 50% 120%,
      color-mix(in srgb, var(--background-800) 50%, transparent) 0%,
      transparent 90%
    ),
    radial-gradient(
      circle,
      color-mix(in srgb, var(--background-800) 80%, transparent) 1px,
      transparent 1px
    );
  background-blend-mode: overlay, normal, normal;
  background-size:
    256px 256px,
    auto,
    32px 32px;
}

.main {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.link {
  font-style: italic;
  cursor: pointer;
  position: relative;
  z-index: 0;
  isolation: isolate;
}

.link::after {
  content: '';
  position: absolute;
  z-index: -1;
  width: calc(100% + 2 * 0.3rem);
  transform: scaleX(0);
  height: 60%;
  opacity: 1;
  bottom: 0;
  left: -0.3rem;
  background-color: var(--primary-400);
  transform-origin: bottom right;
  transition: transform 200ms ease-out;
  pointer-events: none;
}

.link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.separator {
  border-bottom: 1px solid var(--text-800);
  width: 100%;
}

.tooltip {
  position: absolute;
  top: -2em;
  left: 50%;
  transform: translate(-50%, 30%);
  font-size: 0.8rem;
  padding: 0.1rem 0.8rem;
  text-wrap: nowrap;
  user-select: none;
  background-color: var(--primary-400);
  visibility: hidden;
  opacity: 0;
}

.tooltip.is-visible {
  animation: tooltip-pop 2s ease;
}

@keyframes tooltip-pop {
  0% {
    visibility: hidden;
    opacity: 0;
    transform: translate(-50%, 30%);
  }

  10% {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0%);
  }

  80% {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0%);
  }

  100% {
    visibility: hidden;
    opacity: 0;
    transform: translate(-50%, 30%);
  }
}

@media only screen and (max-width: 38rem) {
  :root {
    font-size: clamp(12px, 3.5vw, 16px);
  }

  .background {
    background-size:
    256px 256px,
    auto,
    24px 24px;
  }
}