.container{max-width:1900px;margin:0 auto;padding:20px}h1{text-align:center;font-size:2.5rem;margin-bottom:.3em}.subtitle{text-align:center;color:#666;margin-bottom:2rem}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease}@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.gallery{grid-template-columns:1fr}}.contactus{text-align:center;margin-top:2.5rem;margin-bottom:2.5rem}.contactus a{display:inline-block;margin:6px;padding:10px 20px;background:#333;color:#fff;text-decoration:none;border-radius:8px;transition:background 0.2s}.contact a:hover{background:#555}#backToTop{position:fixed;bottom:40px;right:40px;display:none;background:#3f3f3f;color:#fff;border:none;border-radius:50%;width:45px;height:45px;font-size:22px;cursor:pointer;box-shadow:0 4px 8px rgb(0 0 0 / .3);transition:background 0.3s;z-index:999}#backToTop:hover{background:#555}