:root {
  --mv4-intro-lab-bg: #000;
  --mv4-intro-lab-fg: #f4f1ea;
  --mv4-intro-lab-dim: rgba(244, 241, 234, 0.62);
}

html.mv4-intro-lab-js,
html.mv4-intro-lab-js body {
  background: var(--mv4-intro-lab-bg);
}

body.mv4-intro-lab-route {
  margin: 0;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.06), transparent 28%),
    linear-gradient(180deg, #050505 0%, #000 52%, #050505 100%);
  color: var(--mv4-intro-lab-fg);
  font-family: "Helvetica Neue", "Arial", sans-serif;
}

body.mv4-intro-lab-route.mv4-no-scroll {
  overflow: hidden;
}

body.mv4-intro-lab-route button {
  font: inherit;
}

.mv4-intro-lab {
  position: fixed;
  inset: 0;
  display: block;
  width: 100vw;
  height: 100svh;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  --mv4-intro-lab-frame-fit: cover;
  --mv4-intro-lab-frame-position: center center;
  --mv4-intro-lab-frame-transform: none;
  --mv4-intro-lab-frame-origin: 50% 50%;
  --mv4-intro-lab-text-gap: 0.58rem;
  --mv4-intro-lab-text-padding-block-start: clamp(2rem, 6vh, 4rem);
  --mv4-intro-lab-text-padding-inline: clamp(1.5rem, 4vw, 3rem);
  --mv4-intro-lab-text-padding-block-end: clamp(2rem, 6vh, 4rem);
  --mv4-intro-lab-title-size: clamp(1.15rem, 2.15vw, 1.9rem);
  --mv4-intro-lab-enter-min-width: 6.5rem;
  --mv4-intro-lab-enter-padding: 0.55rem 0.9rem 0.45rem;
  --mv4-intro-lab-enter-font-size: 0.7rem;
  --mv4-intro-lab-enter-letter-spacing: 0.38em;
  --mv4-intro-lab-enter-indent: 0.38em;
  --mv4-intro-lab-ambient-opacity: 0.34;
  --mv4-intro-lab-ambient-transition-opacity: 0.22;
}

.mv4-intro-lab:focus {
  outline: none;
}

.mv4-intro-lab__ambient {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #000;
}

.mv4-intro-lab__ambient-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: none;
  opacity: 0;
  backface-visibility: hidden;
}

.intro-ambient-base {
  opacity: var(--mv4-intro-lab-ambient-opacity);
  visibility: visible;
  z-index: 1;
}

.intro-ambient-next {
  visibility: hidden;
  z-index: 2;
}

.mv4-intro-lab__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #000;
  z-index: 1;
}

.mv4-intro-lab__media::before,
.mv4-intro-lab__media::after,
.mv4-intro-lab::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mv4-intro-lab__media::before {
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.025) 0,
      rgba(255, 255, 255, 0.025) 1px,
      transparent 1px,
      transparent 4px
    );
  opacity: 0.22;
  mix-blend-mode: screen;
  animation: mv4-intro-lab-scan 8s linear infinite;
}

.mv4-intro-lab__media::after {
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.05), transparent 28%),
    linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
  opacity: 0.24;
  mix-blend-mode: soft-light;
  animation: mv4-intro-lab-flicker 6.5s steps(2, end) infinite;
}

.mv4-intro-lab::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%, transparent 76%, rgba(0, 0, 0, 0.45)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent 16%, transparent 84%, rgba(0, 0, 0, 0.3));
  opacity: 0.24;
  mix-blend-mode: overlay;
}

.mv4-intro-lab__frame,
.intro-frame-base,
.intro-frame-next,
.intro-frame-exit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: var(--mv4-intro-lab-frame-fit);
  object-position: var(--mv4-intro-lab-frame-position);
  transform: var(--mv4-intro-lab-frame-transform);
  transform-origin: var(--mv4-intro-lab-frame-origin);
  opacity: 0;
  backface-visibility: hidden;
}

.intro-frame-base {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.intro-frame-next {
  visibility: hidden;
  z-index: 2;
}

.intro-frame-exit {
  visibility: hidden;
  z-index: 3;
}

.mv4-intro-lab.is-preintro .mv4-intro-lab__frame,
.mv4-intro-lab.is-preintro .intro-frame-base,
.mv4-intro-lab.is-preintro .intro-frame-next,
.mv4-intro-lab.is-preintro .intro-frame-exit,
.mv4-intro-lab.is-preintro .mv4-intro-lab__ambient-frame {
  transition: opacity 260ms ease;
}

.mv4-intro-lab__text {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: var(--mv4-intro-lab-text-gap);
  padding:
    var(--mv4-intro-lab-text-padding-block-start)
    var(--mv4-intro-lab-text-padding-inline)
    var(--mv4-intro-lab-text-padding-block-end);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.42em;
  opacity: 0;
  transition: opacity 260ms ease;
  pointer-events: none;
}

.mv4-intro-lab.is-ready .mv4-intro-lab__text {
  opacity: 1;
}

.mv4-intro-lab__title {
  display: block;
  font-size: var(--mv4-intro-lab-title-size);
  font-weight: 600;
  color: var(--mv4-intro-lab-fg);
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.08), 0 0 2px rgba(255, 255, 255, 0.36);
}

.mv4-intro-lab__enter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--mv4-intro-lab-enter-min-width);
  padding: var(--mv4-intro-lab-enter-padding);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--mv4-intro-lab-dim);
  font-size: var(--mv4-intro-lab-enter-font-size);
  font-weight: 700;
  letter-spacing: var(--mv4-intro-lab-enter-letter-spacing);
  text-indent: var(--mv4-intro-lab-enter-indent);
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35), 0 0 16px rgba(255, 255, 255, 0.03);
  opacity: 0;
  transition: opacity 220ms ease, background-color 220ms ease, color 220ms ease, border-color 220ms ease;
}

.mv4-intro-lab.is-ready .mv4-intro-lab__enter {
  opacity: 1;
}

.mv4-intro-lab:hover .mv4-intro-lab__enter,
.mv4-intro-lab:focus-visible .mv4-intro-lab__enter {
  background: rgba(255, 255, 255, 0.09);
  color: var(--mv4-intro-lab-fg);
  border-color: rgba(255, 255, 255, 0.58);
}

.mv4-intro-lab.is-transitioning .intro-frame-next {
  opacity: 1;
  visibility: visible;
}

.mv4-intro-lab.is-transitioning .intro-frame-base {
  opacity: 0.12;
}

.mv4-intro-lab.is-transitioning .intro-ambient-base {
  opacity: var(--mv4-intro-lab-ambient-transition-opacity);
}

.mv4-intro-lab.is-transitioning .intro-ambient-next {
  opacity: var(--mv4-intro-lab-ambient-opacity);
  visibility: visible;
}

.mv4-intro-lab.is-exiting .intro-frame-base,
.mv4-intro-lab.is-exiting .intro-frame-next {
  opacity: 0;
}

.mv4-intro-lab.is-exiting .intro-frame-exit {
  opacity: 1;
  visibility: visible;
}

.mv4-intro-lab.is-exiting .mv4-intro-lab__text {
  opacity: 0;
}

.mv4-intro-lab.is-exiting .intro-ambient-base {
  opacity: var(--mv4-intro-lab-ambient-transition-opacity);
}

.mv4-intro-lab.is-exiting .intro-ambient-next {
  opacity: 0;
  visibility: hidden;
}

.mv4-intro-lab.is-pointer-active .mv4-intro-lab__media::before,
.mv4-intro-lab.is-pointer-active .mv4-intro-lab__media::after,
.mv4-intro-lab.is-pointer-active::after {
  animation-play-state: paused;
}

.mv4-intro-lab.is-pointer-active .mv4-intro-lab__media::before {
  opacity: 0.14;
}

.mv4-intro-lab.is-pointer-active .mv4-intro-lab__media::after {
  opacity: 0.16;
}

.mv4-intro-lab.is-pointer-active::after {
  opacity: 0.16;
}

.mv4-intro-lab.is-paused .mv4-intro-lab__media::before,
.mv4-intro-lab.is-paused .mv4-intro-lab__media::after,
.mv4-intro-lab.is-paused::after {
  animation-play-state: paused;
}

@keyframes mv4-intro-lab-scan {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(18px);
  }
}

@keyframes mv4-intro-lab-flicker {
  0%,
  100% {
    opacity: 0.22;
  }

  45% {
    opacity: 0.3;
  }

  50% {
    opacity: 0.19;
  }

  72% {
    opacity: 0.33;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mv4-intro-lab__media::before,
  .mv4-intro-lab__media::after,
  .mv4-intro-lab::after,
  .mv4-intro-lab__text,
  .mv4-intro-lab__enter,
  .mv4-intro-lab__frame,
  .intro-frame-base,
  .intro-frame-next,
  .intro-frame-exit {
    animation: none !important;
    transition-duration: 0ms !important;
  }

  .intro-frame-base,
  .intro-frame-next,
  .intro-frame-exit {
    transform: none;
  }

  .intro-frame-next,
  .intro-frame-exit {
    display: none;
  }

  .mv4-intro-lab__text {
    opacity: 1;
  }
}

@media (max-aspect-ratio: 4 / 3) {
  .mv4-intro-lab {
    --mv4-intro-lab-frame-fit: contain;
    --mv4-intro-lab-frame-position: center center;
    --mv4-intro-lab-frame-transform: none;
    --mv4-intro-lab-frame-origin: 50% 50%;
    --mv4-intro-lab-text-gap: 0.42rem;
    --mv4-intro-lab-text-padding-block-start: clamp(0.95rem, 2.6vh, 1.5rem);
    --mv4-intro-lab-text-padding-inline: clamp(1rem, 5vw, 1.5rem);
    --mv4-intro-lab-text-padding-block-end: calc(env(safe-area-inset-bottom, 0px) + clamp(5.75rem, 12vw, 8rem));
    --mv4-intro-lab-title-size: clamp(0.98rem, 5.1vw, 1.32rem);
    --mv4-intro-lab-enter-min-width: 5.9rem;
    --mv4-intro-lab-enter-padding: 0.5rem 0.85rem 0.42rem;
    --mv4-intro-lab-enter-font-size: 0.66rem;
    --mv4-intro-lab-enter-letter-spacing: 0.34em;
    --mv4-intro-lab-enter-indent: 0.34em;
    --mv4-intro-lab-ambient-opacity: 0.98;
    --mv4-intro-lab-ambient-transition-opacity: 0.72;
  }
}

@media (max-aspect-ratio: 3 / 4) {
  .mv4-intro-lab {
    --mv4-intro-lab-text-padding-block-end: calc(env(safe-area-inset-bottom, 0px) + clamp(6rem, 14vw, 8.5rem));
    --mv4-intro-lab-ambient-opacity: 1;
    --mv4-intro-lab-ambient-transition-opacity: 0.82;
  }

  .mv4-intro-lab__ambient {
    background:
      radial-gradient(circle at 50% 43%, rgba(255, 255, 255, 0.12), transparent 48%),
      #000;
  }

  .mv4-intro-lab__ambient::after {
    content: "";
    position: absolute;
    inset: -10%;
    pointer-events: none;
    background:
      radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.1) 18%, rgba(255, 255, 255, 0.04) 32%, transparent 60%);
    mix-blend-mode: screen;
    opacity: 0.88;
  }

  .mv4-intro-lab__media {
    -webkit-mask-image: radial-gradient(
      ellipse at 50% 46%,
      rgba(0, 0, 0, 1) 26%,
      rgba(0, 0, 0, 0.98) 42%,
      rgba(0, 0, 0, 0.82) 60%,
      rgba(0, 0, 0, 0.42) 78%,
      transparent 100%
    );
    mask-image: radial-gradient(
      ellipse at 50% 46%,
      rgba(0, 0, 0, 1) 26%,
      rgba(0, 0, 0, 0.98) 42%,
      rgba(0, 0, 0, 0.82) 60%,
      rgba(0, 0, 0, 0.42) 78%,
      transparent 100%
    );
  }

  .mv4-intro-lab__ambient-frame {
    inset: -6vmax;
    width: calc(100% + 12vmax);
    height: calc(100% + 12vmax);
    object-position: 50% 45%;
    transform: scale(1.08);
    transform-origin: 50% 50%;
    mix-blend-mode: screen;
    filter: none;
  }

  .mv4-intro-lab__media::before,
  .mv4-intro-lab__media::after,
  .mv4-intro-lab::after {
    opacity: 0.1;
  }
}