.ay-back-to-top{position:fixed;right:clamp(16px,2.2vw,30px);bottom:calc(clamp(18px,2.2vw,30px) + env(safe-area-inset-bottom));z-index:40;width:48px;height:48px;border:1px solid rgba(255,255,255,.28);border-radius:50%;display:grid;place-items:center;padding:0;background:#17130f;color:#f7f3ec;box-shadow:0 8px 28px rgba(23,19,15,.18);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease,background .18s ease}
.ay-back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.ay-back-to-top:hover{background:#9a6a37}.ay-back-to-top:focus-visible{outline:2px solid #9a6a37;outline-offset:3px}
.ay-back-to-top svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:749px){.ay-back-to-top{width:44px;height:44px;right:16px}}
@media(prefers-reduced-motion:reduce){.ay-back-to-top{transition:none}}