/* ------------------------------------------------------------------ */
/* Saracinesca — shutter loading screen shown on first entry           */
/* ------------------------------------------------------------------ */

body.is-loading {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

#shutter-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  overflow: hidden;
}

#shutter-loader .shutter-img {
  position: absolute;
  top: 0;
  display: block;
  max-width: none;
  will-change: transform;
  transform: translateY(0);
  /* Single continuous curve — no keyframe seams — so velocity never
     jumps mid-motion. Slow to start, holds speed, eases out gently. */
  transition: transform 3.6s cubic-bezier(0.45, 0, 0.18, 1);
}

#shutter-loader .shutter-img.is-open {
  transform: translateY(-100%);
}

@media (prefers-reduced-motion: reduce) {
  #shutter-loader .shutter-img.is-open {
    animation: none;
    transition: transform 0.4s ease;
    transform: translateY(-100%);
  }
}