body{margin:0;font-family:Arial;background:#f4f7fb}nav{display:flex;justify-content:space-between;align-items:center;padding:12px 5%;background:#083d77;color:#fff;position:sticky;top:0}nav img{width:55px; height:55px; border-radius:50%;background:#fff}.brand{display:flex;align-items:center;gap:10px;font-weight:bold}ul{display:flex;list-style:none;gap:20px}a{color:#fff;text-decoration:none}.hero{padding:90px 20px;text-align:center;background:linear-gradient(135deg,#005bbb,#ff7b00);color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;padding:30px}.grid img{width:100%;height:220px;object-fit:cover;border-radius:12px;background:#ddd;transition:.3s}.grid img:hover{transform:scale(1.03)}#lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.95);justify-content:center;align-items:center}#full{max-width:90%;max-height:90%}#close{position:absolute;top:20px;right:35px;color:#fff;font-size:48px;cursor:pointer}footer{text-align:center;padding:30px;background:#111;color:#fff}