:root {
  --void: #030208;
  --chrome-ink: rgba(255, 255, 255, 0.72);
  --chrome-muted: rgba(255, 255, 255, 0.42);
  --focus: #00f5d4;
  --site-chrome: clamp(2.75rem, 9dvh, 5.5rem);
  --oracle-size: min(
    clamp(0.8rem, 5.8vw + 0.5rem, 4.25rem),
    calc((100dvh - var(--site-chrome)) / 6.5)
  );
  --oracle-fit: 1;
  --oracle-leading: 1.22;
  --oracle-width: min(92vw, 46rem);
  --oracle-display: "Unbounded", "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--void);
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  position: relative;
  margin: 0;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
  font-family: var(--oracle-display);
  color: var(--chrome-ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

#plasma-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.78;
  mix-blend-mode: screen;
  transform: scale(var(--wet-scale, 1));
  transform-origin: 50% 50%;
  filter: blur(var(--wet-blur, 0.55px));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 80% at 50% 50%, transparent 18%, rgba(3, 2, 8, 0.55) 72%),
    radial-gradient(ellipse 90% 40% at 50% 100%, rgba(0, 0, 0, 0.72), transparent 58%);
  opacity: var(--wet-haze, 0.14);
}

.site-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  background: linear-gradient(180deg, rgba(3, 2, 8, 0.82), rgba(3, 2, 8, 0));
  filter: saturate(var(--page-sat, 1)) hue-rotate(var(--chroma-hue, 0deg));
}

.home-link,
.language-link {
  color: var(--chrome-ink);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.home-link:hover,
.language-link:hover {
  color: #fff;
}

.language-link[aria-current="page"] {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.28em;
}

.language-nav {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.audio-toggle {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 0.32rem 0.72rem;
  background: rgba(3, 2, 8, 0.45);
  color: var(--chrome-ink);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.audio-toggle:hover {
  color: #fff;
  border-color: rgba(0, 245, 212, 0.55);
}

.audio-toggle[aria-pressed="true"] {
  color: #fff;
  border-color: rgba(0, 245, 212, 0.75);
  box-shadow:
    0 0 0 1px rgba(0, 245, 212, 0.25),
    0 0 18px rgba(0, 245, 212, 0.35);
  animation: audio-pulse 1.35s ease-in-out infinite;
}

@keyframes audio-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 1px rgba(0, 245, 212, 0.2),
      0 0 12px rgba(0, 245, 212, 0.28);
  }
  50% {
    box-shadow:
      0 0 0 1px rgba(0, 245, 212, 0.45),
      0 0 26px rgba(255, 45, 149, 0.42);
  }
}

@media (prefers-reduced-motion: reduce) {
  .audio-toggle[aria-pressed="true"] {
    animation: none;
  }
}

.home-link:focus-visible,
.language-link:focus-visible,
.audio-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.oracle-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  align-content: center;
  height: 100dvh;
  max-height: 100dvh;
  min-height: 0;
  padding:
    max(3rem, clamp(1.25rem, 4.5dvh, 4.5rem))
    clamp(0.75rem, 3vw, 1.25rem)
    clamp(0.5rem, 2dvh, 1.5rem);
  overflow: hidden;
  filter: saturate(var(--page-sat, 1)) hue-rotate(var(--chroma-hue, 0deg));
}

.oracle {
  width: var(--oracle-width);
  max-width: 100%;
  max-height: 100%;
  min-height: 0;
  margin: 0;
  font-size: calc(var(--oracle-size) * var(--oracle-fit, 1));
  line-height: var(--oracle-leading);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
  text-align: center;
  transform: scale(calc(1 + var(--oracle-pulse, 0) * 0.028));
  filter:
    drop-shadow(0 0 calc(1px + var(--plasma-glow, 0.35) * 2px) rgba(255, 255, 255, 0.95))
    drop-shadow(0 0 calc(12px + var(--plasma-glow, 0.35) * 18px) rgba(255, 255, 255, 0.35))
    drop-shadow(0 4px 24px rgba(0, 0, 0, 0.85));
}

.oracle-line {
  display: block;
}

.oracle-word {
  display: inline-block;
  white-space: nowrap;
}

.oracle-glyph,
.oracle-word.oracle-rainbow {
  /* gradient clip on word */
}

.oracle-rainbow {
  background: linear-gradient(
    100deg,
    #ff0844 0%,
    #ffb800 14%,
    #fff700 28%,
    #00ff88 42%,
    #00e5ff 56%,
    #b967ff 70%,
    #ff2d95 84%,
    #ff0844 100%
  );
  background-size: 280% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(0, 0, 0, 0.92);
  paint-order: stroke fill;
  animation: rainbow-flow 5.5s linear infinite;
}

.oracle-question {
  display: block;
  margin-top: 0.55em;
}

@keyframes rainbow-flow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 280% 50%;
  }
}

@media (max-height: 26rem) {
  :root {
    --oracle-leading: 1.14;
  }

  .oracle-question {
    margin-top: 0.38em;
  }
}

@media (max-height: 18rem) {
  :root {
    --oracle-leading: 1.08;
    --site-chrome: clamp(2.25rem, 8dvh, 4rem);
  }

  .oracle-question {
    margin-top: 0.28em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-top,
  .oracle-wrap {
    filter: none;
  }

  #plasma-canvas {
    display: none;
    filter: none;
    transform: none;
  }

  body::after {
    opacity: 1;
  }

  .oracle {
    transform: none;
  }

  .oracle-word {
    transform: none;
  }

  .oracle-rainbow {
    animation: none;
    background-position: 42% 50%;
  }
}

@media (prefers-contrast: more) {
  .oracle-rainbow {
    -webkit-text-stroke: 2px #000;
    filter:
      drop-shadow(0 0 2px #fff)
      drop-shadow(0 6px 20px #000);
  }
}