:root {
  --arc-feedback: 130ms;
  --arc-press: 60ms;
  --arc-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --arc-lower-lead: 10%;
  --arc-spectrum-stops:
    var(--ref-ivory) 0% 10%, var(--ref-cyan) 15%, var(--ref-violet) 22%, var(--ref-ivory) 30% 60%,
    var(--ref-cyan) 65%, var(--ref-violet) 72%, var(--ref-ivory) 80% 100%;
  --arc-spectrum-fill:
    linear-gradient(90deg, var(--arc-spectrum-stops)) 0% 0% / 200% 50% repeat-x,
    linear-gradient(90deg, var(--arc-spectrum-stops)) var(--arc-lower-lead) 100% / 200% 50% repeat-x;
}

.button,
.play-button,
.demo-tab,
.nav-link,
.preview-play,
.language-picker button,
.color-swatch,
.setting-toggle {
  position: relative;
  isolation: isolate;
}

:is(.button, .play-button, .demo-tab, .nav-link, .preview-play)::after {
  content: '';
  position: absolute;
  inset: -4px;
  padding: 1px;
  border-radius: inherit;
  background: var(--arc-spectrum-fill);
  mask:
    linear-gradient(var(--ref-deep) 0 0) content-box,
    linear-gradient(var(--ref-deep) 0 0);
  mask-composite: exclude;
  opacity: 0;
  transform: scale(0.985);
  pointer-events: none;
  transition:
    opacity var(--arc-feedback) var(--arc-ease),
    transform var(--arc-feedback) var(--arc-ease);
  animation: arc-focus-spectrum 1.8s linear infinite;
  animation-play-state: paused;
}

:is(.button, .play-button, .demo-tab, .nav-link):is(:hover, :focus-visible)::after,
.preview-link:is(:hover, :focus-visible) .preview-play::after {
  opacity: 1;
  transform: scale(1);
  animation-play-state: var(--arc-play-state, running);
}

.button,
.play-button {
  transition:
    background var(--arc-feedback) var(--arc-ease),
    transform var(--arc-feedback) var(--arc-ease),
    box-shadow var(--arc-feedback) var(--arc-ease);
}
.button:is(:hover, :focus-visible),
.play-button:is(:hover, :focus-visible) {
  box-shadow: inset 0 0 0 1px var(--ref-ivory);
}
.button:active,
.play-button:active {
  transform: scale(0.985);
  transition-duration: var(--arc-press);
}
.button > .icon,
.play-button > .icon {
  transition: transform var(--arc-feedback) var(--arc-ease);
}
.button:hover > .icon,
.play-button:hover > .icon {
  transform: translateX(2px);
}
.demo-tab,
.nav-link,
.language-picker button,
.text-link,
.text-button,
.back-top,
.settings-row,
.setting-toggle,
.toggle-track,
.toggle-thumb,
.color-swatch,
.faq-list summary {
  transition-timing-function: var(--arc-ease);
  transition-duration: var(--arc-feedback);
}

.settings-row::before {
  content: '';
  position: absolute;
  inset: -4px;
  padding: 1px;
  border-radius: inherit;
  background: var(--arc-spectrum-fill);
  mask:
    linear-gradient(var(--ref-deep) 0 0) content-box,
    linear-gradient(var(--ref-deep) 0 0);
  mask-composite: exclude;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--arc-feedback) var(--arc-ease);
  animation: arc-focus-spectrum 1.8s linear infinite;
  animation-play-state: paused;
}
.settings-row.is-selected::before {
  background: var(--arc-spectrum-fill);
  opacity: 1;
  animation-play-state: var(--arc-play-state, running);
}
.settings-row.is-selected {
  border-color: color-mix(in oklab, var(--ref-ivory) 75%, var(--ref-border));
}

.hero h1 {
  position: relative;
  isolation: isolate;
}
.vanta-glitch-canvas {
  position: absolute;
  display: block;
  z-index: 1;
  max-width: none;
  opacity: 0;
  pointer-events: none;
  user-select: none;
}
.hero-heading-wrap.is-glitching[data-glitch-engine='webgl'] #hero-title {
  color: transparent;
}
.hero-heading-wrap.is-glitching .vanta-glitch-canvas {
  opacity: 1;
}
.hero-heading-wrap.is-glitching[data-glitch-engine='motion'] #hero-title {
  text-shadow:
    -0.015em 0 var(--ref-cyan),
    0.015em 0 var(--ref-violet);
}

.hero-art {
  animation: arc-scene-drift 24s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-play-state: var(--arc-play-state, running);
  transform-origin: 65% 45%;
}
.hero-content {
  z-index: 1;
}
.arc-atmosphere {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero > .arc-atmosphere {
  z-index: -1;
}
.menu-demo {
  position: relative;
  isolation: isolate;
}
.menu-demo > .arc-atmosphere {
  z-index: -1;
  opacity: 0.45;
}
.arc-mote {
  position: absolute;
  left: var(--mote-x);
  top: var(--mote-y);
  width: var(--mote-size);
  height: var(--mote-size);
  background: var(--ref-ivory);
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0;
  animation: arc-ambient-mote var(--mote-duration) cubic-bezier(0.37, 0, 0.63, 1) var(--mote-delay)
    infinite;
  animation-play-state: var(--arc-play-state, running);
}
.hero-utilities {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.ambient-control {
  min-width: 44px;
  min-height: 44px;
  color: var(--color-muted);
  border-color: var(--color-hairline);
}
.ambient-control .icon {
  width: 14px;
  height: 14px;
}
.ambient-control:hover {
  color: var(--color-text);
  border-color: var(--color-border);
  background: transparent;
}
.ambient-control[aria-pressed='true'] {
  color: var(--color-accent);
}
.access-dialog::backdrop {
  animation: arc-backdrop-in 180ms var(--arc-ease) both;
}
.access-dialog[data-leaving]::backdrop {
  animation: arc-backdrop-out 90ms cubic-bezier(0.4, 0, 1, 1) both;
}

@keyframes arc-focus-spectrum {
  from {
    background-position:
      0% 0%,
      var(--arc-lower-lead) 100%;
  }
  to {
    background-position:
      100% 0%,
      calc(100% + var(--arc-lower-lead)) 100%;
  }
}
@keyframes arc-scene-drift {
  from {
    transform: scale(1.025) translate3d(-3px, 2px, 0);
  }
  to {
    transform: scale(1.04) translate3d(3px, -2px, 0);
  }
}
@keyframes arc-ambient-mote {
  0%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
  }
  18%,
  78% {
    opacity: var(--mote-alpha);
  }
  98% {
    opacity: 0;
    transform: translate3d(var(--mote-dx), var(--mote-dy), 0);
  }
}
@keyframes arc-backdrop-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes arc-backdrop-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@media (max-width: 800px) {
  .play-button {
    gap: 0.6rem;
  }
  .play-button-mark,
  .play-button > .icon {
    flex-shrink: 0;
  }
  .play-button > [data-i18n] {
    white-space: nowrap;
  }
}
@media (max-width: 560px) {
  .hero-utilities {
    gap: 0.4rem;
  }
  .hero-bottom {
    flex-wrap: nowrap;
  }
  .hero-bottom .edition-divider {
    padding: 0 0.2rem;
  }
  .hero-edition {
    font-size: 0.75rem;
  }
}
@media (max-width: 360px) {
  .hero-utilities .hero-platform {
    display: none;
  }
}
@media (hover: none) {
  :is(.button, .play-button, .demo-tab, .nav-link):hover::after {
    opacity: 0;
    animation-play-state: paused;
  }
  .button:hover > .icon,
  .play-button:hover > .icon {
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .vanta-glitch-canvas {
    display: none;
  }
  .hero-heading-wrap.is-glitching[data-glitch-engine] #hero-title {
    color: var(--color-text);
    text-shadow: none;
  }
  .hero-art {
    transform: none;
  }
  .arc-atmosphere {
    display: none;
  }
  :is(.button, .play-button, .demo-tab, .nav-link)::after,
  .settings-row::before {
    animation: none;
  }
  .button:active,
  .play-button:active {
    transform: none;
  }
}