/* EDU — site loader · white canvas · word motion only */

.edu-app-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  background: #ffffff;
  transition: opacity 0.48s ease, visibility 0.48s ease;
}

.edu-app-loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.edu-app-loader__logo,
.edu-app-loader__word {
  user-select: none;
  animation: edu-loader-word 2.4s ease-in-out infinite;
}

.edu-app-loader__logo {
  width: min(220px, 68vw);
  height: auto;
  margin: 0;
}

.edu-app-loader__word {
  font-family: inherit;
  font-size: clamp(2.35rem, 11vw, 3.25rem);
  font-weight: 900;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  line-height: 1;
  color: #0b1426;
}

@keyframes edu-loader-word {
  0%, 100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    letter-spacing: 0.26em;
  }
  50% {
    opacity: 0.68;
    transform: scale(1.018) translateY(-3px);
    letter-spacing: 0.3em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .edu-app-loader__logo,
  .edu-app-loader__word {
    animation: none;
  }

  .edu-app-loader {
    transition-duration: 0.15s;
  }
}

.edu-app-loader__logo--academy {
  width: min(120px, 28vw);
  height: min(120px, 28vw);
  object-fit: contain;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(11, 20, 38, 0.12);
}

.edu-app-loader--academy {
  background:
    radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--edu-loader-accent, #56189d) 12%, #fff), #fff 58%);
}

.edu-app-loader--academy .edu-app-loader__logo,
.edu-app-loader--academy .edu-app-loader__logo--academy {
  animation: edu-loader-academy 2.2s ease-in-out infinite;
}

@keyframes edu-loader-academy {
  0%, 100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  50% {
    opacity: 0.82;
    transform: scale(1.04) translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .edu-app-loader--academy .edu-app-loader__logo,
  .edu-app-loader--academy .edu-app-loader__logo--academy {
    animation: none;
  }
}

body.edu-loader-active {
  overflow: hidden;
}