/* El preloader solo existe con JavaScript (html.js). Además de la
   retirada por JS, una animación CSS lo oculta sola a los 4 s: aunque
   fallen todos los scripts, la página nunca queda tapada. */
#preloader { display: none; }
.js #preloader {
  position: fixed;
  inset: 0;
  background: var(--accent);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s;
  animation: sagesa-preloader-out 0.5s ease 4s forwards;
}
@keyframes sagesa-preloader-out {
  to { opacity: 0; visibility: hidden; pointer-events: none; }
}
@media (prefers-reduced-motion: reduce) {
  #preloader, .js #preloader { display: none !important; }
}

#preloader.is-gone, .js #preloader.is-gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  animation: none;
}

#preloader-logo {
  width: 180px;
  height: auto;
  will-change: transform, opacity;
  filter: brightness(0) invert(1);
  position: relative;
  z-index: 2;
}

#preloader-circle {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: #fff;
  z-index: 1;
  transform: scale(0);
  will-change: transform;
  pointer-events: none;
}

#preloader-logo { display: block; }
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--accent);
  z-index: 9997;
  transform: translateY(100%);
  pointer-events: none;
}
html:not(.js) .page-transition { display: none; }