/* ── REFERANS LİGHTBOX ──────────────────────────────────── */
.ref-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: lbFadeIn .25s ease;
}
.ref-lightbox.active { display: flex; }

@keyframes lbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ref-lb-close {
  position: fixed;
  top: 1.25rem; right: 1.5rem;
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  width: 42px; height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
  z-index: 10000;
  line-height: 1;
}
.ref-lb-close:hover { background: #E3002B; }

.ref-lb-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(90vw, 900px);
  max-height: 90vh;
  gap: 1rem;
  animation: lbSlideUp .3s cubic-bezier(.22,.61,.36,1);
}
@keyframes lbSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.ref-lb-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}

.ref-lb-info {
  text-align: center;
  color: #fff;
}
.ref-lb-year {
  font-size: .8rem;
  font-weight: 700;
  color: #E3002B;
  letter-spacing: .06em;
  display: block;
  margin-bottom: .25rem;
}
.ref-lb-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 .25rem;
}
.ref-lb-location {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  margin: 0;
}