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(width<=768px){.mobile-menu-toggle,.mobile-search-btn{display:inline-flex}}.social-share-bar[data-astro-cid-o2fzkeek]{width:100%}.social-share-label[data-astro-cid-o2fzkeek]{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;font-size:10.5px;font-weight:700;line-height:1}.social-share-links[data-astro-cid-o2fzkeek]{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.social-share-link[data-astro-cid-o2fzkeek]{appearance:none;cursor:pointer;min-height:32px;font-family:var(--font-mono);letter-spacing:.035em;white-space:nowrap;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:7px 12px;font-size:11px;font-weight:700;line-height:1;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .15s;display:inline-flex}.social-share-link[data-astro-cid-o2fzkeek]:hover,.social-share-link[data-astro-cid-o2fzkeek]:focus-visible{transform:translateY(-1px)}.social-share-copy[data-astro-cid-o2fzkeek].is-copied{pointer-events:none}.social-share-bar--article[data-astro-cid-o2fzkeek]{background:var(--surface);padding:0 0 16px}.social-share-bar--article[data-astro-cid-o2fzkeek] .social-share-label[data-astro-cid-o2fzkeek]{color:var(--muted)}.social-share-bar--article[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]{background:var(--accent-soft);color:var(--accent);border-color:#0a5d5233}.social-share-bar--article[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]:hover,.social-share-bar--article[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]:focus-visible,.social-share-bar--article[data-astro-cid-o2fzkeek] .social-share-copy[data-astro-cid-o2fzkeek].is-copied{background:var(--accent);border-color:var(--accent);color:var(--surface)}.social-share-bar--footer[data-astro-cid-o2fzkeek]{border-top:1px solid #ffffff1a;margin-top:28px;padding-top:22px}.social-share-bar--footer[data-astro-cid-o2fzkeek] .social-share-label[data-astro-cid-o2fzkeek]{color:var(--footer-dim)}.social-share-bar--footer[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]{color:var(--footer-ink);background:#ffffff0f;border-color:#ffffff24}.social-share-bar--footer[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]:hover,.social-share-bar--footer[data-astro-cid-o2fzkeek] .social-share-link[data-astro-cid-o2fzkeek]:focus-visible,.social-share-bar--footer[data-astro-cid-o2fzkeek] .social-share-copy[data-astro-cid-o2fzkeek].is-copied{background:var(--accent-bright);border-color:var(--accent-bright);color:var(--footer-bg)}@media (width<=560px){.social-share-links[data-astro-cid-o2fzkeek]{gap:7px}.social-share-link[data-astro-cid-o2fzkeek]{min-height:34px;padding:8px 11px;font-size:10.5px}}footer[data-astro-cid-jo6i4kqk]{background:var(--footer-bg);color:var(--footer-ink);padding:56px 0 32px}.footer-inner[data-astro-cid-jo6i4kqk]{max-width:var(--container-max);margin:0 auto;padding:0 32px}.footer-top[data-astro-cid-jo6i4kqk]{border-bottom:1px solid #ffffff14;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;display:grid}.footer-brand[data-astro-cid-jo6i4kqk] .brand[data-astro-cid-jo6i4kqk]{font-family:var(--font-display);color:var(--bg);letter-spacing:-.01em;margin-bottom:14px;font-size:24px;font-weight:600}.footer-brand[data-astro-cid-jo6i4kqk] .brand[data-astro-cid-jo6i4kqk] em[data-astro-cid-jo6i4kqk]{color:var(--accent-bright);font-style:italic;font-weight:500}.footer-brand[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{color:var(--footer-ink);max-width:36ch;margin-bottom:18px;font-size:14px;line-height:1.6}.editor-line[data-astro-cid-jo6i4kqk]{font-family:var(--font-mono);letter-spacing:.04em;color:var(--footer-dim)!important;margin-top:18px!important;font-size:12px!important}.footer-col[data-astro-cid-jo6i4kqk] h5[data-astro-cid-jo6i4kqk]{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--bg);margin-bottom:18px;font-size:11px;font-weight:600}.footer-col[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{list-style:none}.footer-col[data-astro-cid-jo6i4kqk] li[data-astro-cid-jo6i4kqk]{margin-bottom:10px}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--footer-ink);font-size:14px;text-decoration:none;transition:color .15s}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--bg)}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk].flagged:before{content:"";vertical-align:middle;background:#e89b3c;border-radius:50%;width:6px;height:6px;margin-right:7px;display:inline-block}.footer-bottom[data-astro-cid-jo6i4kqk]{color:var(--footer-dim);font-size:12.5px;font-family:var(--font-mono);letter-spacing:.02em;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:28px;display:flex}.footer-bottom-left[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:22px;display:flex}.footer-bottom[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--footer-dim);text-decoration:none}.footer-bottom[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--bg)}.footer-cookie-settings[data-astro-cid-jo6i4kqk]{color:var(--footer-dim);font:inherit;letter-spacing:inherit;text-underline-offset:.18em;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.footer-cookie-settings[data-astro-cid-jo6i4kqk]:hover{color:var(--bg)}.footer-cookie-settings[data-astro-cid-jo6i4kqk]:focus-visible{outline:2px solid var(--accent-bright);outline-offset:3px;border-radius:2px}.footer-logos[data-astro-cid-jo6i4kqk]{opacity:1;align-items:center;gap:14px;display:flex}.footer-logo-chip[data-astro-cid-jo6i4kqk]{letter-spacing:.08em;border:1px solid #fff3;border-radius:3px;padding:5px 11px;font-size:10.5px;font-weight:600}@media (width<=1100px){.footer-top[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr 1fr;gap:32px}.footer-brand[data-astro-cid-jo6i4kqk]{grid-column:1/-1}}@media (width<=768px){.footer-top[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr}}.rg-banner[data-astro-cid-zfj2vpzt]{background:var(--warning-soft);border-top:1px solid var(--warning);border-bottom:1px solid var(--warning);padding:22px 0}.rg-inner[data-astro-cid-zfj2vpzt]{max-width:var(--container-max);flex-wrap:wrap;align-items:center;gap:20px;margin:0 auto;padding:0 32px;display:flex}.rg-icon[data-astro-cid-zfj2vpzt]{aspect-ratio:1;background:var(--warning);width:42px;min-width:42px;height:42px;color:var(--bg);font-family:var(--font-display);border-radius:50%;flex:0 0 42px;justify-content:center;align-items:center;font-size:22px;font-style:italic;font-weight:600;line-height:1;display:flex}.rg-text[data-astro-cid-zfj2vpzt]{min-width:240px;color:var(--ink);flex:auto;font-size:14px}.rg-text[data-astro-cid-zfj2vpzt] strong[data-astro-cid-zfj2vpzt]{font-weight:600}.rg-links[data-astro-cid-zfj2vpzt]{font-size:13px;font-family:var(--font-mono);letter-spacing:.02em;flex-wrap:wrap;gap:20px;display:flex}.rg-links[data-astro-cid-zfj2vpzt] a[data-astro-cid-zfj2vpzt]{color:var(--warning);font-weight:600;text-decoration:none}.rg-links[data-astro-cid-zfj2vpzt] a[data-astro-cid-zfj2vpzt]:hover{text-decoration:underline}@media (width<=768px){.rg-inner[data-astro-cid-zfj2vpzt]{flex-direction:column;align-items:flex-start}}.analytics-consent[data-astro-cid-fg2vtww3][hidden]{display:none!important}.analytics-consent[data-astro-cid-fg2vtww3]{z-index:10000;max-width:min(74rem,100vw - 1.5rem);color:var(--ink);background:#fffdf8fa;border:1px solid #0e14202e;border-radius:12px;margin-inline:auto;position:fixed;inset:auto .75rem .75rem;box-shadow:0 16px 46px #0e14202e}.analytics-consent__inner[data-astro-cid-fg2vtww3]{justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1rem;display:flex}.analytics-consent__copy[data-astro-cid-fg2vtww3]{align-items:center;gap:.8rem;min-width:0;display:flex}.analytics-consent__title[data-astro-cid-fg2vtww3]{color:var(--ink);font-family:var(--font-body);margin:0 0 .16rem;font-size:.92rem;font-weight:700;line-height:1.35}.analytics-consent__copy[data-astro-cid-fg2vtww3] p[data-astro-cid-fg2vtww3]{color:var(--ink-soft);margin:0;font-size:.88rem;line-height:1.45}.analytics-consent__status[data-astro-cid-fg2vtww3]{color:var(--accent)!important;font-size:.78rem!important}.analytics-consent__policy[data-astro-cid-fg2vtww3]{min-height:44px;color:var(--accent);text-underline-offset:.18em;flex:none;align-items:center;font-size:.84rem;font-weight:600;display:inline-flex}.analytics-consent__policy[data-astro-cid-fg2vtww3]:hover{color:var(--ink)}.analytics-consent__actions[data-astro-cid-fg2vtww3]{flex-wrap:nowrap;flex:none;justify-content:flex-end;align-items:center;gap:.55rem;display:flex}.analytics-consent__button[data-astro-cid-fg2vtww3]{min-width:10.4rem;min-height:44px;font:inherit;cursor:pointer;border-radius:8px;padding:.62rem .9rem;font-size:.84rem;font-weight:700;transition:background-color .15s,border-color .15s,color .15s}.analytics-consent__button[data-astro-cid-fg2vtww3]:active{transform:translateY(1px)}.analytics-consent__button--primary[data-astro-cid-fg2vtww3]{color:#0e1420;background:#fff;border:1px solid #0e142047}.analytics-consent__button--primary[data-astro-cid-fg2vtww3]:hover{color:#0e1420;background:var(--line-soft);border-color:#0e142080}.analytics-consent__button--secondary[data-astro-cid-fg2vtww3]{color:var(--ink);background:#fff;border:1px solid #0e142047}.analytics-consent__button--secondary[data-astro-cid-fg2vtww3]:hover{background:var(--line-soft);border-color:#0e142080}.analytics-consent__button[data-astro-cid-fg2vtww3]:focus-visible,.analytics-consent__policy[data-astro-cid-fg2vtww3]:focus-visible{outline:3px solid var(--warning);outline-offset:3px}@media (width<=900px){.analytics-consent__inner[data-astro-cid-fg2vtww3],.analytics-consent__copy[data-astro-cid-fg2vtww3]{align-items:flex-start}.analytics-consent__copy[data-astro-cid-fg2vtww3]{display:block}.analytics-consent__copy[data-astro-cid-fg2vtww3]>p[data-astro-cid-fg2vtww3],.analytics-consent__policy[data-astro-cid-fg2vtww3]{margin-bottom:.4rem}}@media (width<=760px){.analytics-consent[data-astro-cid-fg2vtww3]{border-radius:11px;max-height:calc(100vh - 1.3rem);inset:auto .65rem .65rem;overflow-y:auto}.analytics-consent__inner[data-astro-cid-fg2vtww3]{padding:1rem;display:block}.analytics-consent__actions[data-astro-cid-fg2vtww3]{grid-template-columns:1fr 1fr;gap:.55rem;margin-top:.85rem;display:grid}.analytics-consent__policy[data-astro-cid-fg2vtww3]{grid-column:1/-1;justify-content:flex-end;min-height:32px;margin-bottom:0}.analytics-consent__button[data-astro-cid-fg2vtww3]{width:100%;min-width:0}}@media (width<=420px){.analytics-consent__actions[data-astro-cid-fg2vtww3]{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.analytics-consent__button[data-astro-cid-fg2vtww3]{transition:none}}.crumb-shell{max-width:var(--container-max);color:var(--muted);font-size:15px;line-height:1.6;font-family:var(--font-mono);letter-spacing:.02em;margin:0 auto;padding:20px 32px 0}.crumb-shell.content-column{grid-template-columns:240px minmax(0,1fr) 300px;gap:48px;display:grid}.crumb{min-width:0}.crumb-shell.content-column .crumb{grid-column:1/3}.crumb.has-action{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.crumb-trail{flex:auto;min-width:0}.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--accent)}.crumb a.parent{color:var(--ink);font-weight:800}.sep{opacity:.5;margin:0 8px}.current{color:var(--muted);font-weight:400}.crumb-actions{flex-wrap:wrap;flex:none;justify-content:flex-end;align-items:center;gap:8px;display:inline-flex}.crumb-action{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;justify-content:center;align-items:center;min-height:32px;padding:0 12px;font-size:11px;font-weight:800;line-height:1;transition:border-color .15s,background .15s,color .15s;display:inline-flex;color:var(--accent)!important}.crumb-action:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--ink)!important}@media (width<=1100px){.crumb-shell.content-column{display:block}}@media (width<=768px){.crumb-shell{padding:18px 20px 0}.crumb.has-action{flex-direction:column;align-items:flex-start;gap:10px}.crumb-actions{justify-content:flex-start}.crumb-action{min-height:34px}}.rail-left{top:var(--sticky-offset);max-height:calc(100vh - var(--sticky-offset) - 24px);align-self:start;padding-right:4px;position:sticky;overflow-y:auto}.left-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px;padding:18px}.left-card-label{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);border-bottom:1px solid var(--line-soft);margin-bottom:12px;padding-bottom:10px;font-size:11px;font-weight:700}.toc-list{margin:0;padding:0;list-style:none}.toc-list li{border-top:1px solid var(--line-soft);padding:10px 0}.toc-list li:first-child{border-top:0;padding-top:0}.toc-list a{color:var(--ink);font-size:14px;font-weight:600;line-height:1.35;text-decoration:none}.toc-list a:hover{color:var(--accent)}@media (width<=1100px){.rail-left{max-height:none;padding-right:0;position:static;overflow:visible}}.rail-right{top:var(--sticky-offset);max-height:calc(100vh - var(--sticky-offset) - 24px);align-self:start;padding-right:4px;position:sticky;overflow-y:auto}.cluster-pages-card{padding:18px}.cluster-pages-list{border-top:1px solid var(--line-soft);margin:14px 0 0;padding:0;list-style:none}.cluster-pages-list li{border-top:1px solid var(--line-soft)}.cluster-pages-list li:first-child{border-top:0}.cluster-pages-list a{border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-soft);border-left:2px solid #0000;padding:10px 10px 10px 12px;font-size:13.5px;font-weight:700;line-height:1.35;text-decoration:none;display:block}.cluster-pages-list a:hover{background:var(--line-soft);color:var(--ink)}.cluster-pages-list a.active{background:var(--accent-soft);border-left-color:var(--accent);color:var(--accent)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px;padding:20px}.card-label{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:10px;font-size:11px;font-weight:700}.card-title{font-family:var(--font-display);color:var(--ink);margin-bottom:8px;font-size:20px}.card a{color:var(--accent);font-weight:700;text-decoration:none}@media (width<=1100px){.rail-right{max-height:none;padding-right:0;position:static;overflow:visible}}

/* Stage 39 mobile-header correction: desktop navigation is never exposed at the mobile breakpoint. */
@media (max-width: 768px) {
  :root { --sticky-offset: 64px; }
  .topbar .topbar-row-1 {
    min-height: 64px;
    padding: 10px 16px;
    gap: 8px;
    border-bottom: 0;
  }
  .topbar .brand {
    display: inline-flex;
    align-items: center;
    flex: 0 1 auto;
    min-width: 0;
    white-space: nowrap;
    font-size: 20px;
    line-height: 1.1;
  }
  .topbar .brand > span:first-child { white-space: nowrap; }
  .topbar .brand-tag { display: none !important; }
  .topbar .header-actions {
    margin-left: auto;
    flex: 0 0 auto;
    gap: 8px;
  }
  .topbar .utility,
  .topbar .nav-wrapper,
  .topbar .topbar-row-2 { display: none !important; }
  .topbar .mobile-search-btn,
  .topbar .mobile-menu-toggle { display: inline-flex !important; }
  .topbar .mobile-search-btn {
    min-height: 42px;
    padding: 0 12px;
  }
  .topbar .mobile-nav-panel {
    display: block;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-8px);
    transition: max-height .24s ease, opacity .18s ease, transform .2s ease;
    border-top: 1px solid var(--line-soft);
    background: var(--surface);
  }
  .topbar .mobile-nav-panel.open {
    max-height: calc(100vh - 64px);
    opacity: 1;
    overflow-y: auto;
    transform: translateY(0);
  }
  body.mobile-menu-open { overflow: hidden; }
}