.scroll-top{position:fixed;right:1.5rem;bottom:1.5rem;width:40px;height:40px;border-radius:50px;border:1px solid rgb(148 163 184 / .8);background:var(--dark-alt);color:#e5e7eb;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity 0.2s ease,transform 0.2s ease,visibility 0.2s ease;z-index:40;font-size:1.1rem;backdrop-filter:blur(10px)}.scroll-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-top:hover{background:var(--brand-orange);border-color:rgb(148 163 184);transform:translateY(-2px)}.scroll-top:focus{outline:2px solid var(--dark-alt);outline-offset:2px}.scroll-top:active{transform:translateY(0)}@media (max-width:640px){.scroll-top{right:max(1rem, env(safe-area-inset-right));bottom:max(1rem, env(safe-area-inset-bottom))}}