/* ==========================================================================
   LRI — galerij en lightbox op de referentie-detailpagina
   ========================================================================== */

.lri-gal{
  --lri-gal-cols:3;
  --lri-gal-gap:14px;
  --lri-gal-accent:#3E9CD9;

  display:grid;
  grid-template-columns:repeat(var(--lri-gal-cols),minmax(0,1fr));
  gap:var(--lri-gal-gap);
  margin:28px 0 34px;
}

/* ---------- tegel ---------- */
.lri-gal .lri-gal-item{
  position:relative;
  display:block;
  aspect-ratio:4/3;
  overflow:hidden;
  border-radius:4px;
  background:#EDF0F3 center/cover no-repeat;
  padding:0;
  border:0;
  cursor:pointer;
  line-height:0;
}
.lri-gal .lri-gal-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .45s ease;
}
.lri-gal .lri-gal-item:hover img{ transform:scale(1.05); }

.lri-gal .lri-gal-item::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(6,18,31,0);
  transition:background .2s ease;
}
.lri-gal .lri-gal-item:hover::after{ background:rgba(6,18,31,.14); }

.lri-gal .lri-gal-item:focus-visible{
  outline:3px solid var(--lri-gal-accent);
  outline-offset:3px;
}

/* ---------- video-tegel ---------- */
.lri-gal .lri-gal-video{
  background-color:#0C2438;
  background-size:cover;
  background-position:center;
}
.lri-gal .lri-gal-video::after{ background:rgba(6,18,31,.28); }
.lri-gal .lri-gal-video:hover::after{ background:rgba(6,18,31,.42); }

.lri-gal-play{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  z-index:2;
  width:64px;height:64px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(255,255,255,.94);
  color:#0C2438;
  padding-left:3px;
  transition:transform .2s ease,background .2s ease;
}
.lri-gal-video:hover .lri-gal-play{
  transform:translate(-50%,-50%) scale(1.08);
  background:#fff;
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lri-lightbox{
  position:fixed;
  inset:0;
  z-index:99999;
  display:none;
  align-items:center;
  justify-content:center;
  padding:40px 20px;
  background:rgba(6,18,31,.92);
}
.lri-lightbox.open{ display:flex; }
body.lri-lightbox-open{ overflow:hidden; }

.lri-lightbox-inhoud{
  position:relative;
  max-width:min(1200px,92vw);
  max-height:86vh;
  width:auto;
  display:flex;
  align-items:center;
  justify-content:center;
}
.lri-lightbox-inhoud img{
  max-width:100%;
  max-height:86vh;
  width:auto;height:auto;
  display:block;
  border-radius:3px;
}
.lri-lightbox-inhoud video{
  max-width:100%;
  max-height:86vh;
  display:block;
  border-radius:3px;
  background:#000;
}
.lri-lightbox-kader{
  position:relative;
  width:min(1100px,92vw);
  aspect-ratio:16/9;
  max-height:86vh;
}
.lri-lightbox-kader iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
  border-radius:3px;
  background:#000;
}

/* knoppen */
.lri-lightbox button{
  position:absolute;
  display:flex;align-items:center;justify-content:center;
  width:48px;height:48px;
  border:0;border-radius:50%;
  background:rgba(255,255,255,.12);
  color:#fff;
  cursor:pointer;
  padding:0;
  transition:background .18s ease;
  z-index:2;
}
.lri-lightbox button:hover{ background:rgba(255,255,255,.26); }
.lri-lightbox button:focus-visible{ outline:3px solid #FFC53D; outline-offset:3px; }

.lri-lightbox-sluiten{ top:18px; right:20px; }
.lri-lightbox-vorige{ left:20px; top:50%; transform:translateY(-50%); }
.lri-lightbox-volgende{ right:20px; top:50%; transform:translateY(-50%); }

.lri-lightbox-teller{
  position:absolute;
  bottom:20px;left:50%;
  transform:translateX(-50%);
  color:rgba(255,255,255,.75);
  font-size:.85rem;
  letter-spacing:.08em;
}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .lri-gal{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
  .lri-gal-play{ width:52px;height:52px; }
}
@media(max-width:560px){
  .lri-gal{ grid-template-columns:1fr; }
  .lri-lightbox{ padding:16px 8px; }
  .lri-lightbox-vorige{ left:6px; }
  .lri-lightbox-volgende{ right:6px; }
  .lri-lightbox-sluiten{ top:8px; right:8px; }
}

@media(prefers-reduced-motion:reduce){
  .lri-gal .lri-gal-item img,
  .lri-gal-play,
  .lri-lightbox button{ transition:none; }
  .lri-gal .lri-gal-item:hover img{ transform:none; }
}