:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

.scene-intro {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #f0f7f8;
  background:
    radial-gradient(circle at 50% 42%, rgba(21, 60, 72, 0.3), transparent 38%),
    linear-gradient(180deg, rgba(1, 6, 9, 0.68), rgba(1, 6, 9, 0.94));
  transition: opacity 500ms ease, visibility 500ms ease;
}

.scene-intro[hidden] {
  display: none;
}

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

.scene-intro__content {
  width: min(540px, 100%);
  text-align: center;
}

.scene-intro__eyebrow {
  margin: 0 0 12px;
  color: rgba(218, 235, 239, 0.7);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scene-intro__title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(46px, 10vw, 86px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.scene-intro__copy {
  max-width: 440px;
  margin: 22px auto 0;
  color: rgba(226, 239, 242, 0.78);
  font-size: 14px;
  line-height: 1.65;
}

.scene-intro__start {
  min-width: 190px;
  min-height: 52px;
  margin-top: 28px;
  padding: 13px 24px;
  border: 1px solid rgba(222, 241, 244, 0.48);
  border-radius: 999px;
  color: #f4fbfc;
  background: rgba(9, 28, 35, 0.72);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
  cursor: pointer;
  font: inherit;
  text-transform: none;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.scene-intro__start:hover,
.scene-intro__start:focus-visible {
  border-color: rgba(238, 250, 252, 0.9);
  background: rgba(17, 50, 61, 0.86);
  outline: none;
  transform: translateY(-1px);
}

.scene-intro__start:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.scene-intro__status {
  min-height: 19px;
  margin: 16px 0 0;
  color: rgba(218, 235, 239, 0.62);
  font-size: 12px;
}

body:not(.experience-started) .a-enter-vr-button {
  opacity: 0 !important;
  pointer-events: none !important;
}

.a-enter-vr-button {
  border: 1px solid rgba(221, 239, 242, 0.3) !important;
  border-radius: 999px !important;
  background-color: rgba(3, 15, 20, 0.75) !important;
  backdrop-filter: blur(12px);
  transition: opacity 300ms ease !important;
}

@media (prefers-reduced-motion: reduce) {
  .scene-intro,
  .scene-intro__start,
  .a-enter-vr-button {
    transition: none !important;
  }
}