/* ===================================================================
   ETHERNALIS - Page preloader
   Restores the original 23-frame sprite-sheet loader using the new
   /img/preloader-bg*.png assets.
   =================================================================== */

html,
body {
  background: #000;
}

body:not(.eth-preloader-active):not(.eth-preloader-done) > .page {
  opacity: 0;
  visibility: hidden;
}

body.eth-preloader-active > .page,
body.eth-preloader-done > .page {
  opacity: 1;
  visibility: visible;
}

body.eth-preloader-done > .page {
  transition: opacity .28s ease;
}

.nk-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent;
  color: var(--fg-bone, #d9cdb8);
  pointer-events: auto;
  user-select: none;
}

.nk-preloader.is-gone {
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease;
}

.nk-preloader-bg {
  position: absolute;
  inset: 0;
  background: transparent;
  overflow: hidden;
}

.nk-preloader-bg::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: max(100vw, 177.75vh);
  height: max(56.26vw, 100vh);
  transform: translate(-50%, -50%);
  background-repeat: no-repeat;
  background-size: auto 100%;
  background-position: 0 50%;
  filter: contrast(1.04) saturate(.95);
  will-change: background-position;
}

.nk-preloader-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: transparent;
  pointer-events: none;
}

.nk-preloader[data-state="open"] .nk-preloader-bg::before {
  background-image: url("/img/preloader-bg.png");
  animation: nk-sprite-open 1.2s steps(22, end) forwards;
}

.nk-preloader[data-state="close"] .nk-preloader-bg::before {
  background-image: url("/img/preloader-bg-bw.png");
  animation: nk-sprite-close 1.2s steps(22, end) forwards;
}

@keyframes nk-sprite-open {
  from { background-position: 100% 50%; }
  to { background-position: 0 50%; }
}

@keyframes nk-sprite-close {
  from { background-position: 0 50%; }
  to { background-position: 100% 50%; }
}

.nk-preloader-vignette {
  position: absolute;
  inset: 0;
  box-shadow: none;
  pointer-events: none;
}

.nk-preloader-content {
  position: relative;
  z-index: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  padding: 32px;
  text-shadow: 0 3px 12px rgba(0,0,0,.9);
}

.nk-preloader-mark {
  font-family: var(--font-display, serif);
  font-size: clamp(22px, 3vw, 42px);
  letter-spacing: .44em;
  margin-right: -.44em;
  color: var(--gold, #c9a25a);
  text-transform: uppercase;
  opacity: 0;
  animation: nk-mark-in .5s .12s ease forwards;
}

.nk-preloader-quote {
  font-family: var(--font-small-caps, serif);
  font-size: 10px;
  letter-spacing: .28em;
  color: var(--fg-bone-dim, #a89a85);
  text-transform: uppercase;
  opacity: 0;
  animation: nk-quote-in .5s .28s ease forwards;
}

.nk-preloader-animation {
  width: min(420px, 72vw);
  height: 1px;
  margin: 6px 0 4px;
  background: linear-gradient(90deg, transparent, rgba(201,162,90,.55), transparent);
  box-shadow: 0 0 18px rgba(201,162,90,.18);
  opacity: 0;
  animation: nk-line-in .45s .2s ease forwards;
}

.nk-preloader[data-state="open"] .nk-preloader-mark {
  animation: nk-mark-in .5s .12s ease forwards, nk-content-out .35s .86s ease forwards;
}

.nk-preloader[data-state="open"] .nk-preloader-quote,
.nk-preloader[data-state="open"] .nk-preloader-animation {
  animation: nk-quote-in .5s .28s ease forwards, nk-content-out .35s .86s ease forwards;
}

@keyframes nk-mark-in {
  from { opacity: 0; transform: translateY(-8px); letter-spacing: .56em; }
  to { opacity: 1; transform: none; letter-spacing: .44em; }
}

@keyframes nk-quote-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: .9; transform: none; }
}

@keyframes nk-line-in {
  from { opacity: 0; transform: scaleX(.4); }
  to { opacity: 1; transform: scaleX(1); }
}

@keyframes nk-content-out {
  to { opacity: 0; transform: translateY(-4px); }
}

.nk-preloader-skip {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 22px;
  appearance: none;
  background: rgba(0,0,0,.34);
  border: 1px solid var(--border-line, rgba(201,162,90,.28));
  color: var(--fg-bone-dim, #a89a85);
  font-family: var(--font-small-caps, serif);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  padding: 8px 16px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}

.nk-preloader-skip:hover {
  color: var(--gold-bright, #e8c878);
  border-color: var(--gold, #c9a25a);
  background: rgba(201,162,90,.08);
}

@media (max-width: 720px) {
  .nk-preloader-mark {
    font-size: 22px;
    letter-spacing: .28em;
    margin-right: -.28em;
  }

  .nk-preloader-quote {
    max-width: 80vw;
    line-height: 1.6;
  }

  @keyframes nk-mark-in {
    from { opacity: 0; transform: translateY(-8px); letter-spacing: .36em; }
    to { opacity: 1; transform: none; letter-spacing: .28em; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .nk-preloader-bg::before,
  .nk-preloader-mark,
  .nk-preloader-quote,
  .nk-preloader-animation {
    animation: none !important;
  }

  .nk-preloader-bg::before {
    background-image: url("/img/preloader-bg.png");
    background-position: 100% 50%;
  }

  .nk-preloader-mark,
  .nk-preloader-quote,
  .nk-preloader-animation {
    opacity: 1;
  }
}