.scroll-to-top-btn{display:none}@media(max-width:767px){.scroll-to-top-btn{display:flex;align-items:center;justify-content:center;position:fixed;width:44px;height:44px;border-radius:50%;border:none;background:var(--color-secondary, #063f5d);color:#fff;box-shadow:0 4px 16px #063f5d59;cursor:pointer;z-index:900;opacity:0;transform:translateY(12px) scale(.85);pointer-events:none;transition:opacity .25s ease,transform .25s ease}.scroll-to-top-btn--visible{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.scroll-to-top-btn:active{transform:scale(.92)}}