*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #f4f8fc;
  --horizon: 54%;
}

#waves-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.waves-lab__slit {
  --slit-ms: 550ms;
  --slit-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --slogan-size: clamp(1.15rem, 3.2vw, 2rem);
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.waves-lab__slit-hit {
  position: absolute;
  left: 50%;
  top: var(--horizon);
  z-index: 3;
  width: min(92vw, 22rem);
  height: 7rem;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: pointer;
}

.waves-lab__slit-hit:focus {
  outline: none;
}

.waves-lab__slit-hit:focus-visible {
  outline: 1px solid rgb(90 100 110 / 0.35);
  outline-offset: 6px;
}

.waves-lab__slit-pane {
  position: absolute;
  left: 0;
  right: 0;
  overflow: hidden;
  pointer-events: none;
}

.waves-lab__slit-pane--sky {
  top: 0;
  height: var(--horizon);
}

.waves-lab__slit-pane--sea {
  top: var(--horizon);
  bottom: 0;
}

.waves-lab__slit-slogan {
  position: absolute;
  left: 50%;
  width: max-content;
  max-width: min(92vw, 40rem);
  margin: 0;
  text-align: center;
  font: 500 var(--slogan-size)/1 "IBM Plex Mono", ui-monospace, monospace;
  letter-spacing: 0.06em;
  color: #2c3540;
  transition: transform var(--slit-ms) var(--slit-ease);
}

.waves-lab__slit-slogan--sky {
  bottom: 0;
  padding-bottom: 0.34em;
  transform: translate(-50%, 0);
}

.waves-lab__slit-slogan--sea {
  top: 0.45rem;
  font-weight: 400;
  font-size: calc(var(--slogan-size) * 0.6);
  line-height: 1.2;
  letter-spacing: 0.1em;
  color: #5c6772;
  transform: translate(-50%, 0);
}

.waves-lab__slit-logo {
  position: absolute;
  left: 50%;
  width: min(82vw, 980px);
  height: auto;
  display: block;
  transition: transform var(--slit-ms) var(--slit-ease);
}

.waves-lab__slit-pane--sky .waves-lab__slit-logo {
  top: 100%;
  transform: translate(-50%, 8%);
}

.waves-lab__slit-pane--sea .waves-lab__slit-logo {
  top: 0;
  transform: translate(-50%, -108%);
}

.waves-lab__slit:hover .waves-lab__slit-slogan--sky,
.waves-lab__slit:has(.waves-lab__slit-hit:focus-visible) .waves-lab__slit-slogan--sky {
  transform: translate(-50%, 140%);
}

.waves-lab__slit:hover .waves-lab__slit-slogan--sea,
.waves-lab__slit:has(.waves-lab__slit-hit:focus-visible) .waves-lab__slit-slogan--sea {
  transform: translate(-50%, -160%);
}

.waves-lab__slit:hover .waves-lab__slit-pane--sky .waves-lab__slit-logo,
.waves-lab__slit:has(.waves-lab__slit-hit:focus-visible) .waves-lab__slit-pane--sky .waves-lab__slit-logo,
.waves-lab__slit:hover .waves-lab__slit-pane--sea .waves-lab__slit-logo,
.waves-lab__slit:has(.waves-lab__slit-hit:focus-visible) .waves-lab__slit-pane--sea .waves-lab__slit-logo {
  transform: translate(-50%, -50%);
}

@media (prefers-reduced-motion: reduce) {
  .waves-lab__slit-slogan,
  .waves-lab__slit-logo {
    transition: none;
  }
}

.waves-lab__brand {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 2.85rem;
  height: auto;
  overflow: visible;
  pointer-events: none;
  filter: drop-shadow(0 8px 12px rgb(40 55 70 / 0.16));
}