#scroll-nav{position:fixed;bottom:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}.scroll-btn{color:#000;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 6px rgba(0,0,0,0.3);transition:all 0.3s ease;opacity:0.7}.scroll-btn:hover{opacity:1;transform:scale(1.1)}