html{scroll-behavior:smooth}
.back-to-top{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:90;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;width:48px;height:48px;box-sizing:border-box;border:1px solid #f7f6f0;border-radius:50%;background:#2f4b39;color:#fffdf2;font:11px/1.1 'Trebuchet MS',Arial,sans-serif;text-decoration:none;box-shadow:0 3px 12px #243d3026}
.back-to-top .top-arrow{font-size:20px;line-height:1}
.back-to-top:hover{background:#203c2b}
.back-to-top:focus-visible{outline:3px solid #a37d43;outline-offset:4px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.back-to-top{display:none!important}}