.back-to-top{position:fixed;z-index:10;right:24px;bottom:24px;display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--surface) 88%,transparent);box-shadow:0 12px 28px #29203b24;color:var(--ink);backdrop-filter:blur(12px);opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,border .2s ease}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.back-to-top:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-3px)}.back-to-top span{font-size:19px;line-height:16px}.back-to-top small{font-size:8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}@media(max-width:530px){.back-to-top{right:15px;bottom:15px}}