:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  --pointer-x: 0;
  --pointer-y: 0;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 20rem;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #1528f4;
}

body {
  min-height: 100svh;
}

.splash {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 49% 45%, rgba(55, 76, 255, 0.6), transparent 38%),
    linear-gradient(135deg, #1436fa 0%, #1026ee 52%, #2419e1 100%);
}

.atmosphere {
  position: absolute;
  z-index: -2;
  inset: -20%;
  background:
    radial-gradient(circle at 13% 10%, rgba(206, 72, 255, 0.5), transparent 18%),
    radial-gradient(circle at 87% 82%, rgba(209, 73, 255, 0.4), transparent 18%),
    radial-gradient(circle at 8% 83%, rgba(112, 189, 255, 0.42), transparent 19%),
    radial-gradient(circle at 88% 7%, rgba(113, 190, 255, 0.34), transparent 20%);
  transform: translate3d(
    calc(var(--pointer-x) * -0.7rem),
    calc(var(--pointer-y) * -0.7rem),
    0
  );
  transition: transform 400ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.2vw, 2.4rem);
  width: min(74rem, 76vw);
  justify-content: center;
  color: #fff;
  transform: translate3d(
    calc(var(--pointer-x) * 0.24rem),
    calc(var(--pointer-y) * 0.24rem),
    0
  );
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.brand__mark {
  width: clamp(5.4rem, 10.5vw, 10rem);
  height: auto;
  flex: 0 0 auto;
  overflow: visible;
  fill: currentColor;
  filter: drop-shadow(0 0 1.2rem rgba(255, 255, 255, 0.06));
}

.brand__name {
  margin: 0;
  font-size: clamp(3.4rem, 8.6vw, 8.4rem);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.075em;
  white-space: nowrap;
  text-wrap: nowrap;
}

.domain {
  position: absolute;
  z-index: 3;
  bottom: max(2rem, env(safe-area-inset-bottom));
  left: 50%;
  margin: 0;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.72rem, 0.85vw, 0.9rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: lowercase;
}

.tile-field {
  position: absolute;
  z-index: -1;
  inset: 0;
  transform: translate3d(
    calc(var(--pointer-x) * -1rem),
    calc(var(--pointer-y) * -1rem),
    0
  );
  transition: transform 550ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.tile {
  --size: 10rem;
  --radius: 1.6rem;
  --rotation: 0deg;
  --drift-x: 1rem;
  --drift-y: 1.3rem;
  position: absolute;
  display: block;
  width: var(--size);
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--tile-a), var(--tile-b));
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.3),
    0 1.5rem 4rem rgba(21, 7, 150, 0.16);
  opacity: var(--opacity, 0.78);
  filter: blur(var(--blur, 0.25rem));
  transform: rotate(var(--rotation));
  animation: drift var(--duration, 13s) ease-in-out var(--delay, 0s) infinite alternate;
  will-change: transform;
}

.tile--one {
  --size: clamp(12rem, 23vw, 24rem);
  --radius: clamp(2rem, 3vw, 3.6rem);
  --rotation: -18deg;
  --tile-a: #e65cff;
  --tile-b: #744aff;
  --blur: 0.35rem;
  --duration: 17s;
  top: -15%;
  left: -7%;
}

.tile--two {
  --size: clamp(13rem, 22vw, 23rem);
  --radius: clamp(2rem, 3vw, 3.6rem);
  --rotation: 31deg;
  --tile-a: #8bcbff;
  --tile-b: #6686ff;
  --drift-x: -1.4rem;
  --drift-y: 1rem;
  --duration: 15s;
  --delay: -5s;
  top: -15%;
  right: -5%;
}

.tile--three {
  --size: clamp(13rem, 20vw, 21rem);
  --radius: clamp(2rem, 3vw, 3.5rem);
  --rotation: 22deg;
  --tile-a: #92c9ff;
  --tile-b: #5677ff;
  --duration: 19s;
  --delay: -7s;
  bottom: -13%;
  left: -4%;
}

.tile--four {
  --size: clamp(13rem, 22vw, 23rem);
  --radius: clamp(2rem, 3vw, 3.6rem);
  --rotation: 20deg;
  --tile-a: #f04fff;
  --tile-b: #8051ff;
  --drift-x: -1.2rem;
  --drift-y: -1rem;
  --duration: 16s;
  --delay: -2s;
  right: -6%;
  bottom: -15%;
}

.tile--five {
  --size: clamp(4.8rem, 7vw, 7.5rem);
  --radius: clamp(1rem, 1.4vw, 1.5rem);
  --rotation: 18deg;
  --tile-a: #aee1ff;
  --tile-b: #5878ff;
  --opacity: 0.46;
  --blur: 0.55rem;
  --duration: 11s;
  --delay: -4s;
  top: 8%;
  left: 25%;
}

.tile--six {
  --size: clamp(4.5rem, 6.5vw, 7rem);
  --radius: clamp(0.9rem, 1.3vw, 1.4rem);
  --rotation: -14deg;
  --tile-a: #f557ff;
  --tile-b: #7c46ff;
  --opacity: 0.66;
  --blur: 0.4rem;
  --duration: 12s;
  --delay: -8s;
  top: 31%;
  right: 4%;
}

.tile--seven {
  --size: clamp(5rem, 8vw, 8.5rem);
  --radius: clamp(1rem, 1.5vw, 1.6rem);
  --rotation: 28deg;
  --tile-a: #759eff;
  --tile-b: #3d55ee;
  --opacity: 0.36;
  --blur: 0.65rem;
  --duration: 14s;
  --delay: -6s;
  right: 23%;
  bottom: 4%;
}

.tile--eight {
  --size: clamp(3.5rem, 5vw, 5.5rem);
  --radius: clamp(0.8rem, 1.1vw, 1.2rem);
  --rotation: -24deg;
  --tile-a: #b5dfff;
  --tile-b: #597aff;
  --opacity: 0.42;
  --blur: 0.55rem;
  --duration: 10s;
  --delay: -3s;
  top: 47%;
  left: 3%;
}

@keyframes drift {
  from {
    transform: translate3d(calc(var(--drift-x) * -1), calc(var(--drift-y) * -1), 0)
      rotate(var(--rotation));
  }
  to {
    transform: translate3d(var(--drift-x), var(--drift-y), 0)
      rotate(calc(var(--rotation) + 3deg));
  }
}

@media (max-width: 48rem) {
  .brand {
    flex-direction: column;
    gap: 1.35rem;
    width: 88vw;
  }

  .brand__mark {
    width: clamp(5.5rem, 24vw, 8.5rem);
  }

  .brand__name {
    font-size: clamp(3.15rem, 15vw, 6rem);
    letter-spacing: -0.07em;
  }

  .tile--five,
  .tile--seven {
    display: none;
  }
}

@media (max-height: 31rem) {
  .brand {
    flex-direction: row;
  }

  .brand__mark {
    width: clamp(4rem, 17vh, 6.2rem);
  }

  .brand__name {
    font-size: clamp(3rem, 17vh, 6.5rem);
  }

  .domain {
    bottom: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile {
    animation: none;
  }

  .brand,
  .tile-field,
  .atmosphere {
    transform: none;
    transition: none;
  }
}