/* ========================================================================== Preloader
   Loading progress IS the line's height — no spinner, no percentage.
   The line is the shaft seen end-on, in silhouette.

   It resolves on DOMContentLoaded + fonts, never on the 3D scene, and has
   its own hard timeout in JS. A low-end device must never sit here. */

.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  display: grid;
  place-content: center;
  gap: var(--s-8);
  justify-items: center;
  background: var(--void);
  transition: opacity var(--dur-3) var(--ease), visibility var(--dur-3);
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-line {
  width: 1px;
  height: 120px;
  background: var(--hairline-2);
  transition: transform var(--dur-3) var(--ease);
}
/* At 100% the line rotates into horizontal rather than fading. */
.preloader.is-done .preloader-line { transform: rotate(90deg); }

.preloader-line i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--gold-500);
  box-shadow: 0 0 16px rgba(229,180,95,.7);
  transform: scaleY(var(--load, 0));
  transform-origin: bottom;
  transition: transform var(--dur-2) var(--ease);
}

.preloader-reg { color: var(--text-3); letter-spacing: .32em; }

/* No JS, no preloader — otherwise it would cover the page forever. */
html:not(.js) .preloader { display: none; }