/* =========================================================
   INTERPLAST — Gallery Mosaic Flip
   - taman front
   - beo back na hover
   - nepravilni raspored kroz pattern
   ========================================================= */

:root {
  --gallery-gap: 16px;
  --gallery-row: 20px;
  --gallery-radius: 24px;
}

/* GRID */
.gallery-grid.gallery-grid--mosaic {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: var(--gallery-row);
  gap: var(--gallery-gap);
  grid-auto-flow: row;
  align-items: stretch;
}

/* OBLICI */
.gallery-grid--mosaic .shape-small {
  grid-column: span 3;
  grid-row: span 8;
}

.gallery-grid--mosaic .shape-big {
  grid-column: span 6;
  grid-row: span 16;
}

.gallery-grid--mosaic .shape-tall {
  grid-column: span 3;
  grid-row: span 16;
}

/* KARTICA */
.gallery-grid--mosaic .gflip {
  position: relative;
  height: 100%;
  min-height: 0 !important;
  aspect-ratio: auto !important;
  border-radius: var(--gallery-radius);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(2, 6, 23, 0.08);
  background: #ffffff;
  isolation: isolate;
  perspective: 1600px;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease;
}

.gallery-grid--mosaic .gflip:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(2, 6, 23, 0.10);
}

.gallery-grid--mosaic .gflip-inner {
  position: absolute;
  inset: 0;
  height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .72s cubic-bezier(.2, .8, .2, 1);
}

.gallery-grid--mosaic .gflip-front,
.gallery-grid--mosaic .gflip-back {
  position: absolute;
  inset: 0;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: inherit;
  overflow: hidden;
}

/* FRONT */
.gallery-grid--mosaic .gflip-front {
  background-color: #ffffff;
  transform: rotateY(0deg) translateZ(1px);
}

.gallery-grid--mosaic .gflip-front__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.gallery-grid--mosaic .gflip-front::before,
.gallery-grid--mosaic .gflip-front::after {
  display: none;
}

.gallery-grid--mosaic .gflip-front__overlay {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}

.gallery-grid--mosaic .gflip-title {
  color: #0f172a;
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 16px;
  line-height: 1.15;
  text-shadow: none;
  background: rgba(255,255,255,.94);
  padding: 10px 14px;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(15,23,42,.08);
}

/* BACK */
.gallery-grid--mosaic .gflip-back {
  transform: rotateY(180deg) translateZ(1px);
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,249,252,.96));
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid rgba(12,18,28,.08);
}

.gallery-grid--mosaic .gflip-back__kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.gallery-grid--mosaic .gflip-back__title {
  font-weight: 900;
  font-size: 15px;
  line-height: 1.15;
  color: var(--ink);
}

.gallery-grid--mosaic .gflip-back__text {
  color: rgba(12,18,28,.72);
  font-size: 13px;
  line-height: 1.45;
  flex: 1;
}

.gallery-grid--mosaic .gflip-back__btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* HOVER FLIP */
@media (hover:hover) and (pointer:fine) {
  .gallery-grid--mosaic .gflip:hover .gflip-inner {
    transform: rotateY(180deg);
  }
}

/* TABLET */
@media (max-width: 980px) {
  .gallery-grid.gallery-grid--mosaic {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-auto-rows: 18px;
    gap: 14px;
  }

  .gallery-grid--mosaic .shape-small {
    grid-column: span 3;
    grid-row: span 8;
  }

  .gallery-grid--mosaic .shape-big {
    grid-column: span 6;
    grid-row: span 12;
  }

  .gallery-grid--mosaic .shape-tall {
    grid-column: span 3;
    grid-row: span 12;
  }
}

/* TELEFON */
@media (max-width: 620px) {
  .gallery-grid.gallery-grid--mosaic {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 18px;
  }

  .gallery-grid--mosaic .shape-small,
  .gallery-grid--mosaic .shape-big,
  .gallery-grid--mosaic .shape-tall {
    grid-column: 1 / -1 !important;
    grid-row: span 1 !important;
  }

  .gallery-grid--mosaic .gflip {
    display: block;
    height: auto !important;
    min-height: 0 !important;
    border-radius: 22px;
    overflow: visible;
    background: transparent;
    box-shadow: none;
    perspective: none;
  }

  .gallery-grid--mosaic .gflip-inner {
    position: relative;
    inset: auto;
    height: auto;
    transform: none !important;
  }

  .gallery-grid--mosaic .gflip-back {
    display: none;
  }

  .gallery-grid--mosaic .gflip-front {
    position: relative;
    inset: auto;
    height: auto;
    min-height: 0;
    transform: none;
    border-radius: 22px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 16px 34px rgba(2, 6, 23, 0.10);
  }

  .gallery-grid--mosaic .gflip-front__media {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
  }

  .gallery-grid--mosaic .gflip-front::before,
  .gallery-grid--mosaic .gflip-front::after {
    display: none;
  }

  .gallery-grid--mosaic .gflip-front__overlay {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    display: block;
    padding: 16px 18px 18px;
    background: #ffffff;
    border-top: 1px solid rgba(12,18,28,.08);
  }

  .gallery-grid--mosaic .gflip-title {
    color: #0f172a;
    font-size: 18px;
    line-height: 1.2;
    font-weight: 800;
    text-shadow: none;
    margin: 0;
  }
}

/* Uklanja tamni bočni ton tokom flip animacije */
.gallery-grid--mosaic .gflip,
.gallery-grid--mosaic .gflip-front,
.gallery-grid--mosaic .gflip-back {
  background-clip: padding-box;
}