.stage {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 64px auto 0;
}

.halo {
  position: absolute;
  inset: -10% -14%;
  background: radial-gradient(
    50% 55% at 50% 45%,
    color-mix(in srgb, var(--color-fd-primary) 9%, transparent),
    transparent 72%
  );
  pointer-events: none;
}

.viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 960 / 620;
  overflow: hidden;
  background: #f5f5f5;
  border: 1px solid var(--color-fd-border);
  border-radius: 14px;
  box-shadow:
    0 42px 90px -34px rgb(0 0 0 / 35%),
    0 12px 32px -16px rgb(0 0 0 / 28%);
}

.viewport[data-dark] {
  background: #141414;
  box-shadow:
    0 42px 90px -34px rgb(0 0 0 / 50%),
    0 12px 32px -16px rgb(0 0 0 / 42%);
}

.demo {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
  border: 0;
}

.poster {
  object-fit: cover;
  transition: opacity 0.6s ease;
}

.posterHidden {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 680px) {
  .stage {
    margin-top: 42px;
  }

  .viewport {
    border-radius: 10px;
  }
}