:root{color-scheme:dark;--bg:#080a0b;--panel:#101315;--text:#f4f7fb;--muted:#a9b4c0;--quiet:#778594;--line:rgba(185,205,226,.2);--line2:rgba(197,218,240,.38);--blue:#9bbbd3;--blue2:#c4d6e3;--amber:#efb55d;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"SFMono-Regular","Cascadia Code",ui-monospace,monospace;--pad:clamp(20px,4vw,64px);--max:1480px;--header:82px}
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@media(max-width:1100px){.primary-nav{display:none}.menu-button{display:grid;width:42px;height:42px;place-content:center;gap:7px;border:1px solid var(--line2);background:none}.menu-button span:not(.sr-only){display:block;width:20px;height:1px;background:var(--text)}.mobile-menu{position:absolute;top:var(--header);right:0;left:0;padding:18px var(--pad) 24px;border-bottom:1px solid var(--line);background:#080b0f}.mobile-menu.is-open{display:grid}.mobile-menu a{padding:10px 0;color:var(--muted)}.processing-hero-grid{grid-template-columns:1fr}.processing-hero-summary{max-width:850px}.page-section-heading{grid-template-columns:130px 1fr}.page-section-heading>p:last-child{grid-column:2}.layer-rail{grid-template-columns:repeat(2,1fr)}.layer-rail li:nth-child(3){border-left:0;border-top:1px solid var(--line)}.layer-rail li:nth-child(4){border-top:1px solid var(--line)}.faq{grid-template-columns:1fr}.footer-layout{grid-template-columns:1fr 1fr}.footer-status{grid-column:1/-1;text-align:left}}
@media(max-width:800px){:root{--header:70px}.header-cta{display:none}.brand{width:190px}.processing-hero{padding-top:calc(var(--header) + 68px)}.processing-hero h1{font-size:clamp(3.7rem,16vw,6rem)}.processing-principles{grid-template-columns:1fr}.processing-principles li,.processing-principles li:first-child{padding:21px 0}.processing-principles li+li{border-left:0;border-top:1px solid var(--line)}.processing-toc-inner{gap:20px}.processing-toc span{display:none}.system-demo-heading{grid-template-columns:1fr}.evidence-system{grid-template-columns:1fr;min-height:0;padding-top:0}.evidence-source,.evidence-result{position:relative;top:auto;right:auto;left:auto;width:100%;min-height:0}.evidence-field{position:relative;grid-row:2;margin:0}.evidence-field svg{height:300px}.field-label{font-size:.72rem}.page-section-heading{grid-template-columns:1fr;gap:20px}.page-section-heading>p:last-child{grid-column:auto}.page-section-heading h2{font-size:clamp(2.8rem,11vw,4.6rem)}.evidence-ledger article{grid-template-columns:1fr;gap:10px}.reasoning-index,.separation-ledger,.boundary-columns{grid-template-columns:1fr}.reasoning-index li,.reasoning-index li:nth-child(even){padding:23px 0;border-left:0}.separation-ledger>div,.separation-ledger>div:first-child{min-height:0;padding:26px 0}.separation-ledger>div+div{border-left:0;border-top:1px solid var(--line)}.separation-ledger dd{margin-top:20px}.footer-layout{grid-template-columns:1fr}.footer-layout nav{gap:14px 20px}}
@media(max-width:560px){.processing-hero{padding-bottom:72px}.processing-hero-grid{gap:38px}.processing-hero h1{font-size:clamp(3.25rem,18vw,4.8rem)}.viewer-band{padding:58px 0}.system-demo-heading h2{font-size:2.7rem}.evidence-source,.evidence-result{padding:22px}.system-demo figcaption{flex-direction:column;gap:8px}.processing-page-section{padding:78px 0}.layer-rail{grid-template-columns:1fr}.layer-rail li,.layer-rail li:first-child{min-height:0;padding:25px 0;border-left:0!important;border-top:0!important;border-bottom:1px solid var(--line)}.layer-rail strong{margin:22px 0 10px}.hard-boundary,.definition-band,.proof-ladder li{grid-template-columns:1fr;gap:14px}.reasoning-index li{grid-template-columns:44px 1fr}.footer-layout nav{display:grid;grid-template-columns:repeat(2,1fr)}}
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