.skyway-site-intro {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  opacity: 1;
  visibility: visible;
  transition: opacity 260ms ease, visibility 260ms ease;
  contain: strict;
}

.skyway-site-intro::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 35%, rgba(255,255,255,.045) 50%, transparent 65%);
  transform: translateX(-100%);
  animation: skyway-intro-sheen 850ms cubic-bezier(.25,.8,.3,1) 120ms both;
}

.skyway-site-intro__canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.skyway-site-intro__fallback {
  position: absolute;
  width: min(82vw, 760px);
  max-height: 48vh;
  object-fit: contain;
  opacity: 0;
  filter: drop-shadow(0 14px 35px rgba(0,0,0,.6));
  transition: opacity 180ms ease;
}

.skyway-site-intro.is-static .skyway-site-intro__fallback {
  opacity: 1;
}

.skyway-site-intro.is-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

html.skyway-intro-active,
html.skyway-intro-active body {
  overflow: hidden !important;
}

@keyframes skyway-intro-sheen {
  to { transform: translateX(100%); }
}

@media (max-width: 680px) {
  .skyway-site-intro__fallback { width: 92vw; max-height: 35vh; }
}

@media (prefers-reduced-motion: reduce) {
  .skyway-site-intro::after { animation: none; }
  .skyway-site-intro { transition-duration: 160ms; }
}