/* Loader initial — grille + marque, comme la transition de page */
html.is-loading,
html.is-loading body {
  overflow: hidden;
}

/* Couverture immédiate avant l’injection du DOM loader */
html.is-loading::before {
  content: '';
  position: fixed;
  z-index: 9999;
  inset: 0;
  background-color: var(--color-bg, #000);
  pointer-events: none;
}

.site-loader {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(to right, var(--grid-minor-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-minor-line) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-major-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-major-line) 1px, transparent 1px);
  background-size:
    var(--grid-minor) var(--grid-minor),
    var(--grid-minor) var(--grid-minor),
    var(--grid-major) var(--grid-major),
    var(--grid-major) var(--grid-major);
  opacity: 1;
  visibility: visible;
  transition:
    opacity 0.45s cubic-bezier(0.65, 0, 0.35, 1),
    visibility 0.45s linear;
}

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

.site-loader__mark {
  position: relative;
  z-index: 1;
  display: block;
  width: clamp(4.5rem, 18vw, 8.5rem);
  height: auto;
  animation: site-loader-mark 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.site-loader__bar {
  position: absolute;
  left: var(--page-pad-x);
  right: var(--page-pad-x);
  top: 50%;
  height: 2px;
  background-color: var(--color-red);
  transform-origin: left center;
  animation: site-loader-bar 1.15s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes site-loader-mark {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes site-loader-bar {
  0% {
    transform: scaleX(0);
    opacity: 0.35;
  }
  45% {
    transform: scaleX(1);
    opacity: 1;
  }
  100% {
    transform: scaleX(1);
    opacity: 0.2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-loader__mark,
  .site-loader__bar {
    animation: none;
  }

  .site-loader__mark {
    opacity: 1;
    transform: none;
  }

  .site-loader__bar {
    transform: scaleX(1);
    opacity: 0.85;
  }

  .site-loader {
    transition-duration: 0.01ms;
  }
}