.scroll-to-top{position:fixed;right:24px;bottom:24px;z-index:1000;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;border-radius:50%;background-color:var(--brand-cta,#1cc0d8);color:#ffffff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background-color .2s ease;box-shadow:0 4px 12px rgba(0,0,0,.18)}.scroll-to-top:hover{background-color:var(--brand-cta-hover,#169fb3)}.scroll-to-top--visible{opacity:1;visibility:visible;transform:translateY(0)}@media (max-width:768px){.scroll-to-top{right:16px;bottom:16px;width:40px;height:40px}}