.scene--intro-running .bubble,
.scene--intro-running .spark {
  opacity: 0 !important;
  pointer-events: none !important;
  animation-play-state: paused !important;
}

.intro-sequence {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  pointer-events: none;
}

.intro-copy {
  position: relative;
  padding-inline: 12px;
  animation: intro-rise 3.8s cubic-bezier(.22, .76, .28, 1) both;
  will-change: transform, opacity, filter;
}

.intro-copy h1 {
  margin: 0;
  font-size: clamp(18px, 6.7vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .055em;
  white-space: nowrap;
  text-shadow: 0 0 24px rgb(195 231 255 / 36%);
}

.intro-copy p {
  margin: 12px 0 0;
  font-size: clamp(17px, 5.2vw, 30px);
  font-weight: 400;
  letter-spacing: .025em;
}

.intro-burst {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: 1px;
}

.intro-burst i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgb(225 250 255 / 94%);
  box-shadow: 0 0 12px rgb(134 228 255 / 85%);
  animation: intro-particle 720ms 2.88s cubic-bezier(.2, .8, .2, 1) both;
}

@keyframes intro-rise {
  0% { transform: translate3d(0, 62vh, 0) scale(.92); opacity: 0; filter: blur(5px); }
  12% { opacity: 1; filter: blur(0); }
  40%, 61% { transform: translate3d(0, 0, 0) scale(1); opacity: 1; filter: blur(0); }
  78% { transform: translate3d(0, -23vh, 0) scale(1.04); opacity: 1; filter: blur(0); }
  88% { transform: translate3d(0, -34vh, 0) scale(1.1); opacity: .95; filter: blur(0); }
  100% { transform: translate3d(0, -55vh, 0) scale(.55); opacity: 0; filter: blur(9px); }
}

@keyframes intro-particle {
  0% { transform: translate3d(0, 0, 0) scale(.4); opacity: 0; }
  15% { opacity: 1; }
  100% { transform: translate3d(var(--burst-x), var(--burst-y), 0) scale(.05); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .intro-copy { animation-duration: 2.4s; }
  .intro-burst i { animation-delay: 1.65s; animation-duration: 500ms; }
}
