/* Entrada fotográfica: mosaico completo y transición al centro del isotipo. */
body > .skip { position: absolute !important; top: -80px; }
body > .skip:focus { top: 5px; }
body > .site-header {
  position: fixed !important;
  inset: 0 0 auto;
  z-index: 60 !important;
  width: 100%;
  max-width: none;
  margin: 0;
  padding-inline: var(--gutter);
  background: #000;
  transition: opacity .35s ease, transform .35s ease, visibility .35s ease;
}
body.hero-start > .site-header {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  pointer-events: none;
}
body.hero-past > .site-header {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.opening { display: flex; flex-direction: column; }
.opening .collage-scroll {
  order: -1;
  position: relative;
  height: 260svh;
  min-height: 0;
  --photo-scale: 1;
  --photo-opacity: 1;
  --logo-scale: 1;
  --hero-veil: 1;
}
.opening .collage-sticky {
  position: sticky;
  top: 0;
  display: block;
  width: 100%;
  max-width: none;
  height: 100svh;
  min-height: 0;
  margin: 0;
  overflow: hidden;
}
.opening .collage-frame {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: rgba(0, 0, 0, var(--hero-veil));
  border: 0;
  border-radius: 0;
  box-shadow: none;
  isolation: isolate;
}
.opening .collage-frame::before,
.opening .collage-frame::after { display: none; }
.opening .collage-grid {
  position: absolute;
  inset: -1px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 0;
  transform: scale(var(--photo-scale));
  transform-origin: 50% 50%;
  opacity: var(--photo-opacity);
  will-change: transform;
}
.opening .collage-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(circle at center, #0008 0, transparent 27%), linear-gradient(180deg, #0002, transparent 30%, transparent 70%, #0004);
}
.opening .collage-grid > .collage-art {
  position: relative;
  inset: auto;
  left: auto;
  right: auto;
  top: auto;
  bottom: auto;
  width: auto;
  height: auto;
  min-width: 0;
  min-height: 0;
  z-index: 1;
  overflow: hidden;
  background: #080c09;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  mask-image: none;
  transform: none;
  transition: none;
}
.opening .collage-grid > .collage-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) brightness(.77);
}
.collage-grid > .collage-art-team { grid-column: 1; grid-row: 1 / 3; }
.collage-grid > .collage-art-code-screen { grid-column: 3; grid-row: 2; }
.collage-grid > .collage-art-warehouse { grid-column: 4 / 6; grid-row: 1; }
.collage-grid > .collage-art-hardware { grid-column: 2; grid-row: 2; }
.collage-grid > .collage-art-keyboard { grid-column: 2 / 4; grid-row: 1; }
.collage-grid > .collage-art-orilla-screen { grid-column: 4 / 6; grid-row: 2; }
.collage-grid > .collage-art-network { grid-column: 1; grid-row: 3; }
.collage-grid > .collage-art-server { grid-column: 2; grid-row: 3; }
.collage-grid > .collage-art-scanner { grid-column: 3 / 5; grid-row: 3; }
.collage-grid > .collage-art-switch { grid-column: 5; grid-row: 3; }

.collage-portal {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 50%;
  width: clamp(150px, 17vw, 220px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  background: transparent;
  box-shadow: none;
}
.collage-portal img {
  position: relative;
  z-index: 1;
  display: block;
  width: 57%;
  height: 78%;
  object-fit: contain;
  transform: scale(var(--logo-scale));
  transform-origin: center;
  pointer-events: none;
}
.opening-copy-track {
  margin-top: -100svh;
  padding-bottom: 18svh;
}
.opening-copy {
  position: relative;
  padding-top: clamp(95px, 12vw, 170px);
  opacity: var(--copy-reveal, 1);
  transform: translateY(var(--copy-hold, 0px));
}

@media (max-width: 700px) {
  .opening .collage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(5, minmax(0, 1fr));
  }
  .opening .collage-grid > .collage-art { grid-column: auto; grid-row: auto; }
  .collage-portal { width: 150px; }
}
@media (prefers-reduced-motion: reduce) {
  .opening .collage-scroll { height: 100svh; }
  .opening .collage-sticky { position: relative; }
  .opening .collage-grid { will-change: auto; }
  .opening-copy-track { margin-top: 0; padding-bottom: 0; }
  .opening-copy { opacity: 1; transform: none; }
}