.project-detail-hero{padding:90px 0 45px;background:#f3f7f9;border-bottom:1px solid #dfe8ed}
.project-back{display:inline-block;margin-bottom:24px;font-weight:800;color:#0a4a84}
.project-thumbnail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.project-thumb{padding:0;border:0;background:#f3f7f9;border-radius:16px;overflow:hidden;cursor:pointer;box-shadow:0 8px 26px rgba(7,52,94,.08)}
.project-thumb img{width:100%;height:auto;display:block;object-fit:contain;transition:transform .2s ease}
.project-thumb:hover img{transform:scale(1.015)}
.project-empty{padding:40px;border:1px solid #dfe8ed;border-radius:16px;background:#f3f7f9;color:#607080}
.image-lightbox[hidden]{display:none}
.image-lightbox{position:fixed;inset:0;z-index:9999;background:rgba(3,18,31,.93);display:grid;grid-template-columns:70px minmax(0,1fr) 70px;align-items:center;gap:12px;padding:24px}
.lightbox-stage{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0}
.lightbox-stage img{display:block;max-width:92vw;max-height:84vh;width:auto;height:auto;object-fit:contain;margin:auto;box-shadow:0 20px 70px rgba(0,0,0,.38)}
.lightbox-caption{color:#fff;text-align:center;margin-top:14px;font-size:.95rem}
.lightbox-close,.lightbox-prev,.lightbox-next{border:0;background:rgba(255,255,255,.12);color:#fff;width:52px;height:52px;border-radius:50%;font-size:2rem;cursor:pointer}
.lightbox-close{position:absolute;top:20px;right:20px;z-index:2}
.lightbox-prev,.lightbox-next{justify-self:center}
body.lightbox-open{overflow:hidden}
@media (max-width:900px){.project-thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.image-lightbox{grid-template-columns:52px minmax(0,1fr) 52px;padding:14px}}
@media (max-width:600px){.project-thumbnail-grid{grid-template-columns:1fr}.image-lightbox{grid-template-columns:1fr}.lightbox-prev,.lightbox-next{position:absolute;bottom:18px}.lightbox-prev{left:18px}.lightbox-next{right:18px}.lightbox-stage img{max-width:96vw;max-height:78vh}}