/* JEdu global page preloader — GPU-friendly, no third-party libs */
:root {
  --jedu-navy: #01213d;
  --jedu-green: #168a5c;
  --jedu-lime: #b6e148;
}

html.jedu-preloading,
html.jedu-preloading body {
  overflow: hidden;
}

#jedu-preloader {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(182, 225, 72, 0.18), transparent 58%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(22, 138, 92, 0.08), transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f4f8f6 100%);
  color: var(--jedu-navy);
  font-family: "Poppins", "Plus Jakarta Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: opacity 0.38s ease, visibility 0.38s ease;
}

#jedu-preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.jedu-preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: min(92vw, 360px);
}

.jedu-preloader__mark {
  position: relative;
  width: 148px;
  height: 148px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
}

.jedu-preloader__orb {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  box-shadow:
    0 10px 28px rgba(1, 33, 61, 0.12),
    0 0 0 1px rgba(1, 33, 61, 0.04),
    0 0 32px rgba(182, 225, 72, 0.28);
}

.jedu-preloader__orb img {
  width: 78%;
  height: auto;
  display: block;
  object-fit: contain;
}

.jedu-preloader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  pointer-events: none;
  box-sizing: border-box;
  border: 3px solid rgba(1, 33, 61, 0.08);
  border-top-color: var(--jedu-navy);
  border-right-color: var(--jedu-lime);
  animation: jedu-preloader-spin 0.95s linear infinite;
  box-shadow: 0 0 18px rgba(182, 225, 72, 0.28);
}

.jedu-preloader__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--jedu-navy);
}

.jedu-preloader__tag {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.45;
  color: #3d5a73;
  max-width: 280px;
}

@keyframes jedu-preloader-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  .jedu-preloader__mark {
    width: 128px;
    height: 128px;
    margin-bottom: 18px;
  }
  .jedu-preloader__orb {
    width: 100px;
    height: 100px;
  }
  .jedu-preloader__title { font-size: 0.98rem; }
  .jedu-preloader__tag { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  .jedu-preloader__ring {
    animation: none;
    border-top-color: var(--jedu-lime);
    border-right-color: var(--jedu-green);
  }
  #jedu-preloader {
    transition: opacity 0.01s linear, visibility 0.01s linear;
  }
}