:root {
  color-scheme: light;
  --ink: #103449;
  --sea: #9ee8e0;
  --mint: #c8f7d4;
  --coral: #ff9d8c;
  --sun: #ffd166;
  --sky: #eaf9ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 18%, rgba(255, 209, 102, 0.55), transparent 24rem),
    radial-gradient(circle at 82% 22%, rgba(255, 157, 140, 0.48), transparent 22rem),
    linear-gradient(160deg, var(--sky), #f9fffb 46%, #dff8ff);
}

.scene {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  isolation: isolate;
}

.center-one {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: clamp(5rem, 20vw, 18rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: 0;
  text-transform: lowercase;
  text-shadow:
    0 0.04em 0 rgba(255, 255, 255, 0.9),
    0 0.18em 1.2em rgba(16, 52, 73, 0.14);
  animation: breathe 5.5s ease-in-out infinite;
}

.bubble-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.bubble-field span {
  position: absolute;
  left: var(--x);
  bottom: -7rem;
  display: grid;
  width: var(--size);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  color: rgba(16, 52, 73, 0.72);
  background:
    radial-gradient(circle at 32% 24%, rgba(255, 255, 255, 0.96), transparent 0.55rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.44), rgba(158, 232, 224, 0.2));
  box-shadow:
    inset 0 0 1.8rem rgba(255, 255, 255, 0.62),
    0 1.4rem 3.5rem rgba(16, 52, 73, 0.1);
  font-size: clamp(0.8rem, calc(var(--size) * 0.25), 1.25rem);
  font-weight: 800;
  line-height: 1;
  animation:
    float-up var(--duration) linear infinite,
    sway 4.8s ease-in-out infinite;
  animation-delay: var(--delay), calc(var(--delay) * 0.4);
}

.ambient {
  position: absolute;
  width: min(34vw, 22rem);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.35;
}

.ambient-a {
  top: 10%;
  left: 10%;
  background: var(--mint);
}

.ambient-b {
  right: 8%;
  bottom: 12%;
  background: var(--coral);
}

.ambient-c {
  top: 42%;
  right: 24%;
  width: min(21vw, 14rem);
  background: var(--sun);
}

@keyframes float-up {
  from {
    transform: translate3d(-50%, 0, 0) scale(0.86);
    opacity: 0;
  }

  12%,
  88% {
    opacity: 1;
  }

  to {
    transform: translate3d(-50%, -112vh, 0) scale(1.08);
    opacity: 0;
  }
}

@keyframes sway {
  0%,
  100% {
    margin-left: -1.3rem;
  }

  50% {
    margin-left: 1.3rem;
  }
}

@keyframes breathe {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-0.04em) scale(1.025);
  }
}

@media (prefers-reduced-motion: reduce) {
  .center-one,
  .bubble-field span {
    animation: none;
  }
}