/* LightTunnel splash: a two-second full-screen intro that cross-fades into
   the page. The overlay is decorative and sits above the chrome; the dark
   ground matches the Intro section so the hand-off reads as one surface. */
.lt-splash {
  position: fixed;
  inset: 0;
  z-index: 9000;
  overflow: hidden;
  background:
    radial-gradient(120% 95% at 50% 48%, #10131c 0%, #0a0c12 52%, #050609 100%);
  transform-origin: 50% 50%;
  will-change: opacity, transform;
  pointer-events: auto;
}

.lt-splash canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.lt-splash::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(76% 76% at 50% 50%, transparent 46%, rgba(3, 4, 7, 0.62) 100%);
}

.lt-splash.is-leaving {
  opacity: 0;
  transform: scale(1.06);
  pointer-events: none;
  transition:
    opacity 720ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 900ms cubic-bezier(0.33, 0, 0.2, 1);
}

html.lt-booting,
html.lt-booting body {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .lt-splash { display: none; }
}
