.first-start-intro {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  box-sizing: border-box;
  background: radial-gradient(ellipse at center, #0f3d24 0%, #082415 55%, #04140c 100%);
  font-family: Arial, Helvetica, sans-serif;
  opacity: 1;
  visibility: visible;
  transition: opacity .55s ease, visibility .55s ease;
}
.first-start-intro[hidden] { display: none; }
.first-start-intro::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  box-shadow: inset 0 0 160px 60px rgba(0,0,0,.75);
}
.first-start-intro-texture {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 3px 3px;
}
.first-start-intro-content {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  gap: clamp(16px, 3vh, 28px);
  width: min(92vw, 720px);
}
.first-start-intro-logo {
  display: block;
  width: min(76vw, 560px);
  max-height: 68vh;
  object-fit: contain;
  opacity: 0;
  transform: translate3d(0,0,0) scale(.15) rotate(0deg);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform, opacity;
  contain: layout paint;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.65));
}
.first-start-intro-content p {
  margin: 0;
  color: #d8b667;
  font-size: clamp(11px, 2.4vw, 15px);
  font-weight: 700;
  letter-spacing: .35em;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0,0,0,.6);
  opacity: 0;
  will-change: transform, opacity;
}
.first-start-intro.is-ready .first-start-intro-logo {
  animation: first-start-logo-motion 2.8s cubic-bezier(.22,.76,.24,1) forwards;
}
.first-start-intro.is-ready .first-start-intro-content p {
  animation: first-start-fade-up .8s ease-out 2.35s forwards;
}
.first-start-intro-skip {
  position: absolute;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 5;
  padding: 9px 15px;
  color: #fff8e8;
  border: 1px solid rgba(216,182,103,.65);
  border-radius: 999px;
  background: rgba(2,20,12,.72);
  font: 600 .88rem/1 Arial, sans-serif;
  cursor: pointer;
}
.first-start-intro-credit {
  position: absolute;
  bottom: max(82px, calc(env(safe-area-inset-bottom) + 76px));
  left: 50%;
  z-index: 4;
  margin: 0;
  color: #fff;
  font: 500 clamp(.78rem, 2vw, .95rem)/1.2 Arial, Helvetica, sans-serif;
  letter-spacing: .06em;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0,0,0,.9);
  opacity: 0;
  transform: translate3d(-50%, 8px, 0);
  white-space: nowrap;
}
.first-start-intro.is-ready .first-start-intro-credit {
  animation: first-start-credit-in .65s ease-out 2.9s forwards;
}
.first-start-intro.is-closing { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes first-start-logo-motion {
  0% { opacity: 0; transform: translate3d(0,0,0) scale(.15) rotate(0deg); }
  10% { opacity: 1; }
  68% { opacity: 1; transform: translate3d(0,0,0) scale(1) rotate(1080deg); }
  79% { opacity: 1; transform: translate3d(0,0,0) scale(1.045) rotate(1084deg); }
  90% { opacity: 1; transform: translate3d(0,0,0) scale(.99) rotate(1079deg); }
  100% { opacity: 1; transform: translate3d(0,0,0) scale(1) rotate(1080deg); }
}
@keyframes first-start-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes first-start-credit-in {
  from { opacity: 0; transform: translate3d(-50%, 8px, 0); }
  to { opacity: 1; transform: translate3d(-50%, 0, 0); }
}
@media (max-width: 600px) {
  .first-start-intro-logo { width: min(90vw, 500px); max-height: 58vh; }
  .first-start-intro-credit {
    bottom: max(92px, calc(env(safe-area-inset-bottom) + 86px));
  }
}
@media (prefers-reduced-motion: reduce) {
  .first-start-intro.is-ready .first-start-intro-logo,
  .first-start-intro.is-ready .first-start-intro-content p,
  .first-start-intro.is-ready .first-start-intro-credit { animation-duration: .01ms; animation-delay: 0s; }
}