/* V4/V5 — 全局与 Hero 动效 */

@keyframes fx-stars {
  0% {
    opacity: var(--opacity-subtle);
    transform: translateY(0);
  }

  100% {
    opacity: calc(var(--opacity-subtle) + 0.02);
    transform: translateY(-4px);
  }
}

@keyframes fx-mist {
  0% {
    opacity: calc(var(--opacity-subtle) - 0.01);
    transform: translateX(-2%) scale(1.01);
  }

  50% {
    opacity: var(--opacity-soft);
  }

  100% {
    opacity: calc(var(--opacity-subtle) - 0.01);
    transform: translateX(2%) scale(1.02);
  }
}

@keyframes fx-luopan {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes fx-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* V5.1 — Hero */

@keyframes hero-mist {
  0% {
    opacity: 0.04;
    transform: translateX(-1.5%) scale(1.01);
    filter: blur(6px);
  }

  100% {
    opacity: 0.07;
    transform: translateX(1.5%) scale(1.02);
    filter: blur(10px);
  }
}

@keyframes hero-stars-breathe {
  0%,
  100% {
    opacity: var(--hero-stars-base);
  }

  50% {
    opacity: var(--hero-stars-peak);
  }
}

@keyframes hero-enter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes hero-scroll-pulse {
  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 1;
  }
}

/* V5.2 — Consultation */

@keyframes consultation-enter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* V5.3 — Loading */

@keyframes luopanRotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes loading-mist {
  0% {
    opacity: 0.02;
    transform: translateX(-1.5%);
  }

  100% {
    opacity: 0.05;
    transform: translateX(1.5%);
  }
}

@keyframes loading-stars-breathe {
  0%,
  100% {
    opacity: 0.03;
  }

  50% {
    opacity: 0.05;
  }
}

@media (prefers-reduced-motion: reduce) {
  #app::after {
    animation: none;
  }

  .loading::after,
  .unlock::after {
    animation: none !important;
  }

  .hero__layer--mist,
  .hero__layer--stars,
  .hero__scroll {
    animation: none !important;
  }

  .loading__luopan,
  .loading__layer--mist,
  .loading__layer--stars {
    animation: none !important;
  }

  .hero__enter {
    opacity: 1;
    animation: none;
  }

  .consultation__enter {
    opacity: 1;
    animation: none;
  }

  .consultation__layer--mist,
  .consultation__layer--stars {
    animation: none;
  }
}