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0;font-size:clamp(1.8rem,5vw,2.6rem);font-weight:600}.not-found__lead{max-width:28rem;color:var(--muted);margin:.85rem auto 0}.not-found__actions{flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:2rem;font-size:.9rem;display:flex}.not-found__actions a{border-bottom:1px solid var(--border-strong);transition:color .15s,border-color .15s}.not-found__actions a:hover{color:var(--accent);border-color:var(--accent)}.back-to-top{z-index:40;width:2.5rem;height:2.5rem;color:var(--text-secondary);background:var(--bg-elevated);border:1px solid var(--border);cursor:pointer;opacity:0;visibility:hidden;border-radius:999px;place-items:center;padding:0;transition:opacity .2s,transform .2s,color .15s,border-color .15s,background-color .15s,visibility .2s;display:grid;position:fixed;bottom:clamp(1rem,4vw,2rem);right:clamp(1rem,4vw,2rem);transform:translateY(.5rem);box-shadow:0 8px 24px #0000001a}.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{color:var(--accent);border-color:var(--accent);background:var(--bg-subtle)}.back-to-top svg{width:1.1rem;height:1.1rem}html[data-theme=dark] .back-to-top{box-shadow:0 8px 24px #00000073}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}