html[data-intro] { overflow: hidden; }
html[data-intro] .world { visibility: hidden; }
html[data-intro] .rotate-notice { display: none; }

.intro {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  color: inherit;
  z-index: 100;
  display: grid;
  place-items: center;
  height: 100svh;
  background: #07100f;
}
.intro::backdrop { background: transparent; }
.intro-stage {
  position: relative;
  width: 100%;
  height: 100svh;
  isolation: isolate;
  background: #07100f;
}
.intro-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.intro-actions {
  position: absolute;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  left: max(16px, env(safe-area-inset-left));
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.intro-actions button, .intro-play {
  min-width: 64px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 244, 216, 0.35);
  border-radius: 4px;
  background: rgba(7, 16, 15, 0.82);
  color: #fff4d8;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  touch-action: manipulation;
}
.intro-skip { margin-left: auto; }
.intro-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
.intro button:focus-visible {
  outline: 2px solid #eac16a;
  outline-offset: 3px;
}