:root {
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-fast: 0.45s;
  --motion-med: 0.8s;
  --bg-shift: 0deg;
  --bg-depth: 1;
}

html {
  background: #0d1020;
}

body {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, hsla(calc(8 + var(--bg-shift)), 85%, 55%, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 20%, hsla(calc(210 + var(--bg-shift)), 70%, 50%, 0.18), transparent 50%),
    radial-gradient(ellipse 60% 45% at 50% 90%, hsla(calc(35 + var(--bg-shift)), 90%, 50%, 0.14), transparent 55%),
    linear-gradient(145deg, #12162b 0%, #0f1630 40%, #151a32 100%) !important;
  background-attachment: fixed !important;
  transition: filter 0.8s var(--motion-ease);
  filter: saturate(calc(0.95 + var(--bg-depth) * 0.2));
}

.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  will-change: transform;
  animation: orbDrift 16s ease-in-out infinite alternate;
}

.ambient-orb-a {
  width: min(48vw, 420px);
  height: min(48vw, 420px);
  top: -8%;
  left: -6%;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.6), transparent 70%);
  animation-duration: 18s;
}

.ambient-orb-b {
  width: min(42vw, 360px);
  height: min(42vw, 360px);
  top: 35%;
  right: -8%;
  background: radial-gradient(circle, rgba(161, 196, 253, 0.45), transparent 70%);
  animation-duration: 22s;
  animation-delay: -4s;
}

.ambient-orb-c {
  width: min(50vw, 480px);
  height: min(50vw, 480px);
  bottom: -12%;
  left: 30%;
  background: radial-gradient(circle, rgba(255, 165, 2, 0.4), transparent 70%);
  animation-duration: 20s;
  animation-delay: -8s;
}

@keyframes orbDrift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(4%, -6%, 0) scale(1.1); }
  100% { transform: translate3d(-3%, 5%, 0) scale(0.94); }
}

.page-veil {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 40%, rgba(255, 165, 2, 0.22), transparent 45%),
    linear-gradient(160deg, rgba(15, 18, 40, 0.35), rgba(255, 107, 107, 0.18));
  opacity: 0;
  transition: opacity var(--motion-fast) var(--motion-ease);
}

body.is-leaving .page-veil {
  opacity: 1;
  pointer-events: auto;
}

.page-stage {
  position: relative;
  z-index: 1;
}

body.is-entering .page-stage > *:not(.navbar) {
  animation: contentEnter 0.85s var(--motion-ease) both;
}

body.is-entering .page-stage > *:not(.navbar):nth-child(2) { animation-delay: 0.05s; }
body.is-entering .page-stage > *:not(.navbar):nth-child(3) { animation-delay: 0.1s; }
body.is-entering .page-stage > *:not(.navbar):nth-child(4) { animation-delay: 0.15s; }
body.is-entering .page-stage > *:not(.navbar):nth-child(5) { animation-delay: 0.2s; }

body.is-leaving .page-stage > *:not(.navbar) {
  opacity: 0;
  transform: scale(0.94) translateY(22px);
  filter: blur(5px);
  transition:
    opacity 0.4s var(--motion-ease),
    transform 0.4s var(--motion-ease),
    filter 0.4s var(--motion-ease);
}

@keyframes contentEnter {
  0% {
    opacity: 0;
    transform: scale(0.9) translateY(32px);
    filter: blur(8px) saturate(0.75);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0) saturate(1);
  }
}

[data-reveal] {
  opacity: 0;
  transform: scale(0.88) translateY(40px);
  filter: blur(6px);
  animation: none !important;
  transition:
    opacity 0.85s var(--motion-ease),
    transform 0.85s var(--motion-ease),
    filter 0.85s var(--motion-ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform, filter;
}

[data-reveal].is-inview {
  opacity: 1;
  transform: scale(1) translateY(0);
  filter: blur(0);
}

[data-reveal="left"] {
  transform: scale(0.9) translateX(-48px);
}

[data-reveal="left"].is-inview {
  transform: scale(1) translateX(0);
}

[data-reveal="right"] {
  transform: scale(0.9) translateX(48px);
}

[data-reveal="right"].is-inview {
  transform: scale(1) translateX(0);
}

[data-reveal="zoom"] {
  transform: scale(0.78);
}

[data-reveal="zoom"].is-inview {
  transform: scale(1);
}

.navbar {
  transition: background 0.35s var(--motion-ease), padding 0.35s var(--motion-ease), box-shadow 0.35s var(--motion-ease) !important;
}

.game-card,
.feature-card,
.contact-card,
.policy-section,
.store-button {
  transition:
    transform 0.45s var(--motion-ease),
    background 0.45s var(--motion-ease),
    box-shadow 0.45s var(--motion-ease),
    border-color 0.45s var(--motion-ease) !important;
}

.game-card:hover,
.feature-card:hover,
.contact-card:hover {
  transform: translateY(-14px) scale(1.03) !important;
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.32) !important;
  border-color: rgba(255, 165, 2, 0.4) !important;
}

.nav-link {
  transition: color 0.3s var(--motion-ease), transform 0.3s var(--motion-ease) !important;
}

.nav-link:hover {
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .ambient-orb,
  body.is-entering .page-stage > *:not(.navbar) {
    animation: none !important;
  }

  .page-stage > *,
  [data-reveal],
  .game-card,
  .feature-card,
  .contact-card,
  .policy-section,
  .store-button,
  .nav-link,
  body {
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  body.is-leaving .page-stage > *:not(.navbar) {
    opacity: 1;
    transform: none;
    filter: none;
  }
}