/* Native lightbox + video modal (Lightbox2 / Lity yerine, 0 bağımlılık) */
.nlb-overlay{position:fixed;inset:0;z-index:999999;display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.85);opacity:0;visibility:hidden;transition:opacity .25s ease;padding:40px}
.nlb-overlay.nlb-open{opacity:1;visibility:visible}
.nlb-stage{position:relative;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;align-items:center}
.nlb-img{max-width:92vw;max-height:80vh;display:block;border-radius:4px;background:#fff;
  box-shadow:0 10px 40px rgba(0,0,0,.5)}
.nlb-caption{color:#fff;font-size:14px;line-height:1.4;text-align:center;margin-top:12px;max-width:80vw}
.nlb-counter{color:rgba(255,255,255,.6);font-size:12px;margin-top:4px}
.nlb-close{position:absolute;top:-34px;right:0;width:34px;height:34px;border:0;background:transparent;
  color:#fff;font-size:30px;line-height:1;cursor:pointer;opacity:.8}
.nlb-close:hover{opacity:1}
.nlb-nav{position:fixed;top:50%;transform:translateY(-50%);width:48px;height:48px;border:0;cursor:pointer;
  background:rgba(255,255,255,.12);color:#fff;font-size:24px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;transition:background .2s}
.nlb-nav:hover{background:rgba(255,255,255,.25)}
.nlb-prev{left:24px}
.nlb-next{right:24px}
.nlb-nav[hidden]{display:none}
/* video (YouTube/Vimeo iframe) modal */
.nlb-video .nlb-stage{width:min(90vw,960px)}
.nlb-iframe-wrap{position:relative;width:100%;padding-top:56.25%;background:#000;border-radius:4px;overflow:hidden;
  box-shadow:0 10px 40px rgba(0,0,0,.5)}
.nlb-iframe-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:768px){
  .nlb-prev{left:6px}.nlb-next{right:6px}.nlb-nav{width:40px;height:40px;font-size:20px}
  .nlb-overlay{padding:20px}
}