/* Cross-page curtain. Seven composited strips keep the effect visual without
   making navigation wait on a full animation library. */
html.page-awaiting-transition {
  background: var(--paper-2);
}

html.page-awaiting-transition body {
  visibility: hidden;
}

.page-wipe {
  position: fixed;
  inset: 0;
  z-index: 2000;
  visibility: hidden;
  overflow: hidden;
  pointer-events: none;
}

.page-wipe.is-on {
  visibility: visible;
}

.page-wipe__panels {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.page-wipe__panel {
  position: relative;
  min-width: 0;
  /* Fractional grid tracks can expose a hairline between separately composited
     transforms. A one-pixel overlap closes that seam without drawing dividers. */
  margin-inline: -1px;
  background-color: var(--paper-2);
  background-image: var(--grain-texture);
  background-repeat: repeat;
  background-size: 128px 128px;
  background-blend-mode: soft-light;
  transform: translate3d(0, -101%, 0);
  transition: transform 300ms cubic-bezier(.77, 0, .175, 1);
  transition-delay: calc(var(--wipe-order) * 18ms);
  backface-visibility: hidden;
  will-change: transform;
}

/* A restrained violet hem traces only the moving edge. Sitting one pixel
   outside the panel keeps the fully covered curtain solid and uninterrupted. */
.page-wipe__panel::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 65%, transparent);
}

.page-wipe.is-cover .page-wipe__panel,
.page-wipe.is-covered .page-wipe__panel {
  transform: translate3d(0, 0, 0);
}

.page-wipe.is-covered .page-wipe__panel {
  transition: none;
}

.page-wipe.is-reveal .page-wipe__panel {
  transform: translate3d(0, -101%, 0);
  transition-duration: 360ms;
  transition-delay: calc(var(--wipe-reverse) * 18ms);
}

.page-wipe__center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 18px;
  padding: 24px;
  opacity: 0;
  transition: opacity 160ms ease;
}

.page-wipe.is-cover.is-identity-ready .page-wipe__center {
  opacity: 1;
}

.page-wipe.is-covered.is-identity-ready .page-wipe__center {
  opacity: 1;
  transition: none;
}

.page-wipe.is-reveal .page-wipe__center {
  opacity: 0;
  transition-delay: 0ms;
  transition-duration: 120ms;
}

.page-wipe__logo {
  display: block;
  width: clamp(76px, 8vw, 112px);
  height: clamp(76px, 8vw, 112px);
  object-fit: contain;
}

.page-wipe__logo[data-generic="true"] {
  filter: invert(1);
}

html[data-theme="dark"] .page-wipe__logo[data-generic="true"] {
  filter: none;
}

.page-wipe__name {
  max-width: min(86vw, 720px);
  color: var(--ink);
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: clamp(26px, 4vw, 52px);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.035em;
  text-align: center;
}

@media (max-width: 700px) {
  .page-wipe__center { gap: 14px; }
  .page-wipe__panel { transition-delay: calc(var(--wipe-order) * 14ms); }
  .page-wipe.is-reveal .page-wipe__panel { transition-delay: calc(var(--wipe-reverse) * 14ms); }
}

@media (prefers-reduced-motion: reduce) {
  html.page-awaiting-transition body { visibility: visible; }
  .page-wipe { display: none !important; }
}