.BackToTop{position:fixed;right:clamp(16px,2vw,28px);bottom:clamp(16px,2vw,28px);z-index:999;display:inline-grid;place-items:center;width:48px;height:48px;padding:0;border:1px solid rgba(255,255,255,0.3);border-radius:999px;background:#066bff;color:#fff;box-shadow:0 12px 30px rgba(3,34,84,0.24);cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px);transition:opacity 180ms ease,visibility 180ms ease,transform 180ms ease,background-color 180ms ease,box-shadow 180ms ease;}.BackToTop.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}.BackToTop:hover{background:#0058da;box-shadow:0 14px 34px rgba(3,34,84,0.3);}.BackToTop:focus-visible{outline:3px solid rgba(12,205,196,0.75);outline-offset:3px;}.BackToTop__icon{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}@media (max-width:767px){.BackToTop{right:14px;bottom:14px;width:44px;height:44px;}}@media (prefers-reduced-motion:reduce){.BackToTop{transition:none;}}