.lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(5, 30, 20, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 64px;
}
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; max-width: min(1100px, 100%); max-height: 100%; text-align: center; }
.lightbox img { max-width: 100%; max-height: 78vh; object-fit: contain; border-radius: 14px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.lightbox figcaption { color: rgba(255,255,255,.8); font-size: 13px; margin-top: 12px; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.08);
  color: #fff; width: 46px; height: 46px; border-radius: 50%; font-size: 24px; line-height: 1;
}
.lightbox-close { top: 18px; right: 18px; }
.lightbox-prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,.18); }
body.no-scroll { overflow: hidden; }
@media (max-width: 600px) {
  .lightbox { padding: 24px 12px; }
  .lightbox-prev, .lightbox-next { width: 38px; height: 38px; }
}