/* ============================================================
   LOADER — Minimal intro overlay (original)
   Černý fullscreen, centered cosmoframe mark + progress line.
   Sjede nahoru když je stránka ready.
   ============================================================ */

.loader {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(0);
  transition: transform 0.9s cubic-bezier(0.65, 0, 0.35, 1);
}

.loader.is-hidden {
  transform: translateY(-100vh);
}

.loader__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
}

.loader__logo {
  width: 56px;
  height: auto;
  display: block;
}

.loader__line {
  width: 140px;
  height: 4px;
  background: #1a1a1a;
  border-radius: 2px;
  overflow: hidden;
}

.loader__fill {
  display: block;
  height: 100%;
  width: 0%;
  background: #fff;
  transition: width 0.18s linear;
}

/* Lock scroll while loading */
body.is-loading {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .loader { transition: opacity 0.3s ease; }
  .loader.is-hidden { transform: none; opacity: 0; }
}