.nm-back-to-top{position:fixed;right:clamp(14px,2vw,28px);bottom:clamp(14px,2vw,28px);z-index:9998;width:46px;height:46px;border:1px solid rgba(255,255,255,.22);border-radius:14px;background:#0b2340;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(8,28,54,.2);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease,background .18s ease}.nm-back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.nm-back-to-top:hover{background:#145ee8}.nm-back-to-top:focus-visible{outline:3px solid rgba(30,103,255,.28);outline-offset:3px}.nm-back-to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}@media(max-width:640px){.nm-back-to-top{width:42px;height:42px;border-radius:13px;right:14px;bottom:14px}}@media(prefers-reduced-motion:reduce){.nm-back-to-top{transition:none}}