/* Hallmark / modern-minimal / ambitious, precision-led / neutral graphite.
 * Fingerprint: centered display, asymmetric instruments, negative-space dividers,
 * typographic actions, full-bleed product media, perspective and state transitions.
 * Pre-emit critique: P4 H5 E4 S5 R4 V4. Approved logo and science boundaries preserved. */
:root{--color-instrument: #1c1e21;--color-display-edge:#474a4e;--color-surface-hover:#26282b}
[hidden]{display:none!important}
.content-wide{width:min(1320px,calc(100% - 128px))}
.site-header{padding-inline:64px;height:88px}
.desktop-nav a{position:relative;padding:8px 0;color:var(--color-muted);transition:color .2s}
.desktop-nav a:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--color-ink);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.desktop-nav a:hover{color:var(--color-ink)}.desktop-nav a:hover:after{transform:scaleX(1)}
.hero-copy{left:max(64px,calc((100% - 1320px)/2));top:25%}
.hero h1 .arka-logo-frame{width:440px;height:100px}
.hero-title{font-size:42px;margin-top:34px;line-height:1.1}
.hero-description{font-size:16px;max-width:360px}
.hero-bottom{left:64px;right:64px;font:10px var(--font-mono)}
.hero .primary-action{margin-top:32px;min-width:182px;border-radius:2px}
.chapter-index{border-top:1px solid var(--color-rule);border-bottom:0;gap:64px}
.chapter-index a{padding:26px 0;color:var(--color-muted)}.chapter-index a strong{color:var(--color-ink)}
.opening{padding:110px 0 120px}.opening .content-wide>p{text-align:center;font-size:18px;margin-bottom:28px}
.opening h2{max-width:1060px;margin:auto;text-align:center;font-size:64px;line-height:1.09}
.opening-bottom{max-width:900px;margin:44px auto 0;grid-template-columns:300px minmax(0,1fr);gap:64px;border-top:0;align-items:center}
.discovery-count>strong{font-size:64px}.discovery-count{gap:20px}.discovery-count p{font-size:14px}.opening-note{font-size:16px}.opening-note .small-rule{display:none}
.material-copy h2{font-size:76px}.material-copy .chapter-label{margin-bottom:30px}.material-description{font-size:16px}
.anatomy{border:0}.section-heading{padding-top:92px}.anatomy .section-heading h2{font-size:60px}.section-heading p{font-size:13px}
.scene-heading{left:64px}.finish-control{right:64px}.scene-tools{left:64px;right:64px}
.part-tabs button{font-size:14px;padding-block:22px}.part-panel{min-height:192px}.part-panel h3{font-size:30px}.part-panel p{font-size:15px}
.part-section{padding-bottom:64px}.engineering-link{font-size:12px}
.hardware-section{padding:106px 0 76px;border:0;background:var(--color-instrument)}
.hardware-section>.content-wide{width:min(1440px,calc(100% - 128px))}
.architecture-heading{margin-bottom:56px;gap:64px;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.architecture-heading h2{font-size:54px;line-height:1.08}.architecture-heading>p{font-size:16px;max-width:430px}.architecture-heading .chapter-label{font-size:11px}
.hardware-workbench{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px}
.map-caption{border:0;padding:0 0 20px;align-items:center;font:10px var(--font-mono);min-height:54px}
.map-view-control{display:flex;gap:3px;padding:3px;background:var(--color-paper);border-radius:4px}
.map-view-control button{border:0;background:transparent;color:var(--color-muted);display:flex;gap:7px;align-items:center;padding:8px 10px;font-size:11px;line-height:1.3;border-radius:2px;min-height:34px}
.map-view-control button[aria-pressed=true]{background:var(--color-ink);color:var(--color-paper)}
.map-view-control button:hover:not([aria-pressed=true]){background:var(--color-surface-hover)}
.hardware-map[data-view=concept] .pcb-map{height:526px}
.hardware-product-image{position:absolute;left:174px;right:-16px;top:0;bottom:0;overflow:hidden}
.hardware-product-image img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.hardware-product-image>span{position:absolute;bottom:0;left:0;right:0;font:9px var(--font-mono);color:var(--color-muted);text-align:center;line-height:1.5;padding:12px 14px;background:var(--color-instrument)}
.hardware-map[data-view=concept] .hardware-node{position:relative;inset:auto;width:184px;height:70px;border:0;border-left:1px solid var(--color-rule);border-radius:0;background:transparent;display:grid;grid-template-columns:24px minmax(0,1fr);grid-template-rows:auto auto;gap:3px 10px;padding:14px 12px;align-content:center;justify-items:start;align-items:center;text-align:left}
.hardware-map[data-view=concept] .hardware-node>svg{width:20px;height:20px;grid-column:1;grid-row:1 / 3}
.hardware-map[data-view=concept] .hardware-node strong{font-size:12px;font-weight:500;grid-column:2;line-height:1.2}
.hardware-map[data-view=concept] .hardware-node .node-role{font-size:10px;grid-column:2;margin:0;line-height:1.4}
.hardware-map[data-view=concept] .hardware-node .node-number{display:none}
.hardware-map[data-view=concept] .hardware-node[aria-selected=true]{border-left:2px solid var(--color-ink);background:var(--color-selected);color:var(--color-ink)}
.hardware-map[data-view=concept] .hardware-node:hover{background:var(--color-surface-hover)}
.hardware-map[data-view=signals] .hardware-node{background:var(--color-instrument)}
.hardware-map[data-view=signals] .hardware-node[aria-selected=true]{background:var(--color-selected)}
.hardware-detail{min-height:670px;border:0;padding-top:0;scroll-margin-top:24px}
.component-eyeline{display:flex;align-items:center;gap:14px;min-height:54px;padding-bottom:20px;color:var(--color-muted)}
.component-eyeline .component-status{margin:0;font-size:10px;line-height:1.5}
.hardware-detail h3{font-size:32px;line-height:1.1;min-height:72px;display:flex;align-items:end}
.component-kicker{font-size:16px;margin-top:20px}.component-description{font-size:14px;line-height:1.7;margin-top:12px}
.component-io{margin-top:24px}.component-io>div{grid-template-columns:54px minmax(0,1fr);gap:12px;padding-block:16px}.component-io dd{font-size:13px;line-height:1.65}
.component-limit{border:0;padding:0;margin:22px 0}.component-limit p:first-child{font-size:11px;color:var(--color-ink)}.component-limit p:last-child{font-size:12px}
.map-note{font-size:11px;max-width:590px;margin-top:12px}.architecture-source{font-size:11px;min-height:32px}.hardware-bottom{margin-top:32px;padding-top:24px}.hardware-bottom p{font-size:13px}.hardware-bottom a{font-size:13px}
.technology{padding:112px 0 72px;border:0}.technology>.content-wide{max-width:1120px}
.technology>.content-wide>.chapter-label{text-align:center}.technology-heading{display:block;text-align:center}.technology h2{font-size:62px;line-height:1.06}.technology-heading>p{max-width:650px;margin:28px auto 0;font-size:16px}
.tech-tabs{justify-content:center;gap:52px;margin-top:44px}.tech-tabs button{font-size:14px;padding:20px 0}.tech-panel{min-height:620px;padding-top:38px}
.tech-intro{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start;margin:0;gap:64px}.tech-intro h3{font-size:30px}.tech-intro>p{font-size:15px;color:var(--color-muted)}
.signal-diagram{margin:30px 0 0;border:0;gap:12px}
.signal-diagram button{height:150px;padding:20px;justify-content:space-between;border-bottom:1px solid var(--color-rule);border-radius:0;background:transparent}
.signal-diagram button[aria-pressed=true]{background:var(--color-instrument);border-bottom:2px solid var(--color-ink)}
.signal-diagram button>svg:not(.signal-arrow){width:30px;height:30px}.signal-arrow{top:61px}
.sensor-stack{border:0;min-height:132px}.stack-row{display:none;border:0;padding:28px 0 16px;grid-template-columns:36px minmax(0,1fr) minmax(0,1.5fr);gap:22px}
.stack-row[data-active=true]{display:grid;background:transparent}.stack-row h4{font-size:19px}.stack-row p{font-size:14px;color:var(--color-muted)}.stack-number{font:12px var(--font-mono)}
.tech-note{margin-top:22px;max-width:900px;font-size:12px;padding:0;border:0}.tech-links{margin-top:16px}.tech-links a{font-size:11px}
.assay-explainer{padding:84px 0;background:var(--color-paper);border:0}.assay-explainer .architecture-heading h2{font-size:48px}.assay-explainer .architecture-heading{margin-bottom:28px}
.architecture-process{border-block:1px solid var(--color-rule);margin-bottom:48px}
.architecture-process summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;font-size:14px;cursor:pointer}
.architecture-process summary::-webkit-details-marker{display:none}.architecture-process summary svg{transition:transform .25s}.architecture-process[open] summary svg{transform:rotate(45deg)}
.architecture-process .sample-path{border:0}.architecture-process .architecture-note{margin:10px 0 26px}.architecture-process summary:focus-visible{outline:2px solid var(--color-ink);outline-offset:5px}
.reaction-lab{padding:40px 36px 32px;background:var(--color-instrument);border:0;border-radius:6px}
.reaction-heading{align-items:center;gap:40px;margin-bottom:28px}.reaction-heading h3{font-size:30px}.reaction-heading .chapter-label{font-size:10px}
.pattern-selector select{background:var(--color-paper)}.reaction-principle{font-size:13px;max-width:940px;margin-bottom:36px}
.reaction-layout{grid-template-columns:minmax(0,2.8fr) minmax(0,1fr);gap:48px}.well-grid{gap:20px}.well-label{font:11px var(--font-mono);min-height:30px;color:var(--color-muted)}
.reaction-field{fill:var(--color-paper);stroke:var(--color-display-edge)}.reaction-cell{fill:var(--color-ink)}.reaction-reticle{stroke:var(--color-muted)}
.well-state{font-size:10px}.well-note{font-size:10px;max-width:700px}.reference-result{border:0;padding-left:0;min-height:354px}.reference-result>strong{font-size:100px;line-height:1}.reference-withheld>strong{font-size:42px;line-height:1.1}.reference-result>span{font-size:17px}.reference-result>p:not(.result-label){font-size:12px}.reference-result>p.result-boundary{font-size:10px}.result-label{font-size:10px}
.confirmation-row{gap:48px;padding-top:26px;margin-top:12px}.confirmation-row h4{font-size:22px}.confirmation-row p:not(.component-status){font-size:12px}.reverse-example strong{font-size:18px;min-height:81px}.reverse-example{padding-left:0;border:0}.evidence-boundaries{gap:80px;padding-top:48px}.evidence-boundaries h3{font-size:24px}.evidence-boundaries p{font-size:14px}
.software-showcase{background:var(--color-dark);padding:110px 0 80px;overflow:hidden}.software-masthead{text-align:center}.software-masthead .chapter-label{margin-bottom:22px}.software-masthead h2{font-size:88px;line-height:1.05;font-weight:400}.software-statement{font-size:28px;line-height:1.3;color:var(--color-muted);margin:24px auto 0;max-width:600px}.software-masthead .text-action{display:inline-flex;justify-content:center;margin-top:28px;font-size:14px}
.software-product{margin-top:48px;perspective:1800px;max-width:1320px}
.software-switcher{display:flex;justify-content:center;gap:42px;margin:0 auto 30px}
.software-switcher button{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--color-muted);font-size:13px;min-height:48px;padding:8px 12px;background:none;border:0}
.software-switcher button[aria-selected=true]{color:var(--color-ink)}.software-switcher button:hover{color:var(--color-ink)}.software-indicator{position:absolute;bottom:0;left:12px;right:12px;height:2px;background:var(--color-ink)}
.software-display{transform-origin:center top;border:1px solid var(--color-display-edge);border-radius:6px;overflow:hidden;background:var(--color-paper)}
.software-preview{position:relative;aspect-ratio:1440 / 900}.software-preview picture{display:block;position:absolute;inset:0}.software-preview picture[aria-hidden=true]{pointer-events:none}.software-preview img{display:block;width:100%;height:100%;border:0;border-radius:0;box-shadow:none;object-fit:contain}
.software-footnote{display:flex;justify-content:space-between;gap:64px;margin-top:32px;min-height:100px}.software-footnote h3{font-size:22px;font-weight:400;line-height:1.3}.software-footnote div p{font-size:14px;color:var(--color-muted);max-width:600px;margin-top:12px;line-height:1.6}.software-disclosure{color:var(--color-muted);font:10px/1.7 var(--font-mono);text-align:right;flex:none;padding-top:4px}
.investor-section{padding:90px 0;background:var(--color-instrument)}.investor-section h2{font-size:54px}.investor-status{font:11px var(--font-mono)}.investor-copy{font-size:15px;max-width:520px}.investor-action{font-size:20px;border:0;padding:24px 0}.investor-action svg{width:40px;height:40px}.site-footer{padding-top:36px}
@media(min-width:1800px){.hardware-product-image{left:195px}.hardware-map[data-view=concept] .hardware-node{width:204px}.hardware-map[data-view=concept] .pcb-map{height:580px}}
@media(max-width:1100px){
 .content-wide,.hardware-section>.content-wide{width:calc(100% - 72px)}.site-header{padding-inline:36px}.hero-copy{left:36px;max-width:430px}.hero h1 .arka-logo-frame{width:350px;height:80px}.hero-title{font-size:34px}.hero-bottom{left:36px;right:36px}.chapter-index{gap:32px}
 .opening h2{font-size:54px}.opening-bottom{grid-template-columns:250px minmax(0,1fr);gap:36px}.opening-note{font-size:14px}.material-copy h2{font-size:60px}.anatomy .section-heading h2{font-size:48px}.scene-heading,.scene-tools{left:36px}.scene-tools{right:36px}.finish-control{right:36px}
 .architecture-heading h2{font-size:44px}.architecture-heading{gap:36px}.architecture-heading>p{font-size:14px}.hardware-workbench{grid-template-columns:minmax(0,1fr);gap:44px}.hardware-map[data-view=concept] .pcb-map{height:490px}.hardware-product-image{left:200px}.hardware-map[data-view=concept] .hardware-node{width:220px}.hardware-map[data-view=concept] .hardware-node strong{font-size:14px}.hardware-map[data-view=concept] .hardware-node .node-role{font-size:11px}.hardware-detail{min-height:560px;max-width:100%;border-top:1px solid var(--color-rule);padding-top:28px}.hardware-detail>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:56px}.component-eyeline,.hardware-detail h3,.component-kicker,.component-description{grid-column:1}.hardware-detail h3{min-height:0;align-items:start}.component-io{grid-column:2;grid-row:1 / 4;margin:0}.component-limit{grid-column:2;grid-row:4 / 7;margin:16px 0}.architecture-source{grid-column:1}.hardware-detail .architecture-source{margin-top:20px}.map-note{max-width:680px}.hardware-detail{min-height:350px}
 .technology h2{font-size:52px}.tech-intro{gap:40px}.tech-panel{min-height:650px}.signal-diagram{gap:8px}.signal-diagram button{padding:16px}.stack-row{grid-template-columns:30px minmax(0,1fr) minmax(0,1.4fr)}.sensor-stack{min-height:166px}
 .assay-explainer .architecture-heading h2{font-size:40px}.reaction-layout{grid-template-columns:minmax(0,2.2fr) minmax(0,1fr);gap:28px}.well-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.reference-result{border:0;padding:0;min-height:390px}.reaction-lab{padding:32px}.well-label{margin-bottom:10px;min-height:20px}.reference-result>strong{font-size:90px}.reference-withheld>strong{font-size:36px}.well-note{margin-top:20px}.evidence-boundaries{gap:40px}
 .software-masthead h2{font-size:76px}.software-statement{font-size:26px}.software-footnote{gap:32px}.software-footnote h3{font-size:21px}.software-footnote div p{font-size:13px}.investor-inner{gap:64px}.investor-section h2{font-size:48px}
}
@media(max-width:760px){
 .content-wide,.hardware-section>.content-wide{width:calc(100% - 40px)}.site-header{padding-inline:20px;height:68px}.hero-copy{top:100px;left:20px;max-width:calc(100% - 40px)}.hero h1 .arka-logo-frame{width:260px;height:59px}.hero-title{font-size:30px;margin-top:24px}.hero .primary-action{margin-top:24px;min-width:158px}.hero-bottom{left:20px;right:20px;font-size:9px;line-height:1.5}.hero-canvas{top:326px}.chapter-index{gap:16px}.chapter-index a{font-size:11px;padding:20px 0}.chapter-index a>span{font-size:10px}
 .opening{padding:72px 0}.opening .content-wide>p{font-size:15px;margin-bottom:24px}.opening h2{font-size:38px;line-height:1.12}.opening-bottom{display:flex;flex-direction:column;align-items:stretch;max-width:400px;gap:28px;margin-top:32px}.discovery-count{justify-content:center;gap:20px}.discovery-count>strong{font-size:56px}.discovery-count p{font-size:12px}.discovery-count p span{font-size:10px}.opening-note{font-size:14px;text-align:center;max-width:370px;margin:auto}
 .material-copy h2{font-size:46px}.material-copy .chapter-label{margin-bottom:22px}.material-description{font-size:13px}.section-heading{padding-top:58px}.anatomy .section-heading h2{font-size:40px}.section-heading p{font-size:12px}.scene-heading,.scene-tools{left:20px}.scene-tools{right:20px}.finish-control{right:20px}.part-tabs button{font-size:12px;padding:18px 12px}.part-panel{min-height:290px}.part-panel h3{font-size:27px}.part-panel p{font-size:14px}.part-section{padding-bottom:48px}.engineering-link{font-size:11px;gap:20px}
 .hardware-section{padding:64px 0}.architecture-heading{display:block;margin-bottom:28px}.architecture-heading h2{font-size:38px}.architecture-heading>p{font-size:14px;margin-top:24px}.architecture-heading .chapter-label{font-size:10px;margin-bottom:22px}.hardware-workbench{gap:30px}.map-caption{font-size:9px;gap:16px;padding-bottom:20px;align-items:center}.map-caption>span{max-width:130px;line-height:1.5}.map-view-control button{font-size:10px;padding:8px;gap:5px;min-height:36px}.map-view-control button svg{width:13px;height:13px}
 .hardware-map[data-view=concept] .pcb-map{height:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:0}
 .hardware-product-image{position:relative;grid-column:1 / -1;inset:auto;height:350px;width:100%;margin-bottom:24px}.hardware-product-image img{object-fit:cover}.hardware-product-image>span{font-size:8px;padding:8px;bottom:0}
 .hardware-map[data-view=concept] .hardware-node{width:100%;height:78px;border-left:0;border-bottom:1px solid var(--color-rule);padding:14px 10px;grid-template-columns:20px minmax(0,1fr);gap:4px 8px}
 .hardware-map[data-view=concept] .hardware-node[aria-selected=true]{border-left:0;border-bottom:2px solid var(--color-ink)}.hardware-map[data-view=concept] .hardware-node strong{font-size:12px}.hardware-map[data-view=concept] .hardware-node .node-role{font-size:10px}.hardware-map[data-view=concept] .node-board{grid-column:auto}.hardware-map[data-view=concept] .node-nfc{grid-column:1 / -1}.hardware-map[data-view=concept] .hardware-node>svg{width:18px;height:18px}
 .map-note{font-size:10px;line-height:1.7;margin-top:20px}.hardware-detail{min-height:640px;padding-top:16px}.hardware-detail>div{display:block}.hardware-detail h3{font-size:31px;min-height:0}.component-eyeline{min-height:52px;padding:0 0 20px}.component-eyeline .component-status{font-size:9px}.component-eyeline svg{width:24px;height:24px}.component-back{margin-bottom:8px}.component-kicker{font-size:15px;margin-top:18px}.component-description{font-size:14px}.component-io{margin-top:22px}.component-io dd{font-size:12px}.component-limit{margin:20px 0}.component-limit p:last-child{font-size:12px}.hardware-detail .architecture-source{margin:0}.hardware-bottom{gap:20px;margin-top:24px}.hardware-bottom p{font-size:12px}.hardware-bottom a{font-size:12px}
 .technology{padding:64px 0 44px}.technology h2{font-size:38px}.technology-heading>p{font-size:14px;margin-top:24px}.tech-tabs{gap:24px;margin-top:28px}.tech-tabs button{font-size:12px;padding:16px 0}.tech-panel{min-height:760px;padding-top:30px}.tech-intro{grid-template-columns:minmax(0,1fr);gap:18px}.tech-intro h3{font-size:28px}.tech-intro>p{font-size:14px}.signal-diagram{margin:24px 0 0;gap:8px}.signal-diagram button{height:128px;padding:14px;font-size:12px}.signal-diagram button>svg:not(.signal-arrow){width:26px;height:26px}.signal-arrow{top:49px}.sensor-stack{min-height:190px}.stack-row{grid-template-columns:24px minmax(0,1fr);gap:12px;padding-top:24px}.stack-row h4{font-size:19px}.stack-row p{grid-column:2;font-size:13px}.tech-note{font-size:11px;margin-top:12px}.tech-links{gap:16px}.tech-links a{font-size:10px;white-space:normal}
 .assay-explainer{padding:56px 0}.assay-explainer .architecture-heading h2{font-size:36px}.architecture-process{margin-bottom:32px}.architecture-process summary{font-size:13px;line-height:1.5;padding:18px 0}.architecture-process .architecture-note{font-size:10px}.reaction-lab{padding:26px 18px;border-radius:4px}.reaction-heading{display:block;margin-bottom:26px}.reaction-heading h3{font-size:27px}.reaction-heading .chapter-label{font-size:9px;line-height:1.6}.pattern-selector{margin-top:26px;width:100%}.pattern-selector>label{font-size:10px}.reaction-principle{font-size:12px;margin-bottom:28px}.reaction-layout{display:block}.well-grid{gap:26px 20px}.well-label{font-size:10px}.well-state{font-size:9px;gap:4px}.well-state svg{width:12px;height:12px}.well-note{font-size:10px}.reference-result{margin-top:28px;padding-top:26px;border-top:1px solid var(--color-rule);min-height:345px}.reference-result>strong{font-size:80px}.reference-withheld>strong{font-size:38px}.reference-result>span{font-size:18px}.reference-result>p:not(.result-label){font-size:12px}.reference-result>p.result-boundary{font-size:10px}.confirmation-row{display:block;margin-top:18px;padding-top:24px}.confirmation-row h4{font-size:23px}.confirmation-row p:not(.component-status){font-size:12px}.reverse-example{margin-top:24px;padding-top:24px;border-top:1px solid var(--color-rule)}.reverse-example strong{font-size:18px;min-height:86px}.evidence-boundaries{gap:32px;padding:40px 0 32px}.evidence-boundaries h3{font-size:24px;margin-bottom:18px}.evidence-boundaries p{font-size:13px}.architecture-faq summary{font-size:14px}.architecture-sources{font-size:10px}
 .software-showcase{padding:70px 0 54px}.software-masthead h2{font-size:60px}.software-statement{font-size:23px;max-width:330px;margin-top:20px}.software-masthead .text-action{font-size:13px;margin-top:24px}.software-product{margin-top:30px;max-width:520px}.software-switcher{gap:8px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:24px}.software-switcher button{font-size:11px;gap:7px;padding:8px 0;min-height:44px}.software-switcher button svg{width:15px;height:15px}.software-indicator{left:4px;right:4px}.software-preview{aspect-ratio:390 / 720}.software-display{border-radius:4px}.software-footnote{display:block;margin-top:26px;min-height:190px}.software-footnote h3{font-size:23px}.software-footnote div p{font-size:13px}.software-disclosure{text-align:left;font-size:9px;margin-top:24px;padding:0}
 .investor-section{padding:60px 0}.investor-inner{gap:28px}.investor-section h2{font-size:42px}.investor-copy{font-size:14px}.investor-status{font-size:10px}.investor-action{font-size:18px;padding:18px 0}.investor-action svg{width:30px;height:30px}
}
@media(max-width:360px){
 .hero-title{font-size:28px}.chapter-index a{font-size:10px}.opening h2{font-size:34px}.architecture-heading h2{font-size:34px}.map-caption{gap:8px}.map-view-control button{padding:7px 6px;font-size:9px}.map-view-control button svg{display:none}.hardware-map[data-view=concept] .hardware-node{padding-inline:6px;gap:4px 6px}.hardware-map[data-view=concept] .hardware-node strong{font-size:11px}.hardware-map[data-view=concept] .hardware-node .node-role{font-size:9px}.technology h2{font-size:34px}.tech-tabs{gap:18px}.tech-tabs button{font-size:11px}.tech-panel{min-height:820px}.assay-explainer .architecture-heading h2{font-size:32px}.reaction-lab{padding-inline:14px}.well-grid{gap:24px 14px}.well-state{font-size:8px}.reaction-heading h3{font-size:25px}.software-masthead h2{font-size:54px}.software-switcher button{font-size:10px}.software-switcher button svg{width:13px;height:13px}
}

/* Hallmark component extension: model-anchored labels. P5 H5 E4 S5 R5 V4. */
.assembly-annotations{position:absolute;inset:0;pointer-events:none;z-index:2}
.annotation-toggle{position:absolute;right:64px;top:84px;pointer-events:auto;background:var(--color-instrument);width:34px;height:34px}
.annotation-toggle:hover{background:var(--color-selected)}
.annotation-leaders{position:absolute;inset:0;width:100%;height:100%;overflow:visible;fill:none;pointer-events:none}
.annotation-leaders path{stroke:var(--color-muted);stroke-width:.8;opacity:.65}
.annotation-leaders circle{stroke:var(--color-instrument);stroke-width:2;fill:var(--color-muted)}
.annotation-leaders g[data-active=true] path{stroke:var(--color-ink);opacity:1;stroke-width:1.1}
.annotation-leaders g[data-active=true] circle{fill:var(--color-ink)}
.assembly-label{position:absolute;top:0;left:0;display:flex;align-items:center;gap:12px;width:218px;height:62px;padding:8px 0;text-align:left;border:0;background:var(--color-instrument);color:var(--color-muted);white-space:normal;pointer-events:auto;border-radius:0}
.assembly-label[data-side=right]{padding-left:16px}.assembly-label[data-side=left]{padding-right:16px}
.annotation-number{font:10px var(--font-mono);align-self:flex-start;padding-top:4px;flex:none}
.annotation-copy{display:block;min-width:0}.annotation-copy>strong{display:block;font-size:14px;line-height:1.3;font-weight:500;color:var(--color-ink)}
.annotation-copy>span{display:block;font-size:11px;line-height:1.5;margin-top:5px;color:var(--color-muted)}
.assembly-label[aria-pressed=true] .annotation-number,.assembly-label:hover .annotation-number{color:var(--color-ink)}
.assembly-label:hover .annotation-copy>strong{text-decoration:underline;text-underline-offset:4px}
.assembly-label:focus-visible{outline:2px solid var(--color-ink);outline-offset:4px}
.assembly-callout{display:none}
@media(min-width:761px) and (max-width:1100px){
 .annotation-toggle{right:36px}.assembly-label{width:164px;gap:9px}.annotation-copy>strong{font-size:12px}.annotation-copy>span{font-size:10px}.annotation-number{font-size:9px}.assembly-label[data-side=right]{padding-left:12px}.assembly-label[data-side=left]{padding-right:12px}
}
@media(max-width:760px){
 .anatomy [data-scene=assembly]{bottom:176px}
 .annotation-toggle{top:62px;right:20px;width:32px;height:32px}
 .assembly-label,.assembly-label[data-side=right],.assembly-label[data-side=left]{width:36px;height:36px;padding:0;display:grid;place-items:center;border:1px solid var(--color-display-edge);border-radius:50%;background:var(--color-instrument)}
 .annotation-copy{display:none}.annotation-number{font-size:10px;align-self:auto;padding:0}
 .assembly-label[aria-pressed=true]{background:var(--color-ink);border-color:var(--color-ink)}.assembly-label[aria-pressed=true] .annotation-number{color:var(--color-paper)}
 .annotation-leaders path{stroke-width:.7;opacity:.7}
 .assembly-callout{position:absolute;left:20px;right:20px;bottom:112px;height:64px;display:flex;align-items:flex-start;gap:12px;border-top:1px solid var(--color-rule);padding-top:13px;color:var(--color-ink)}
 .callout-number{font:10px var(--font-mono);color:var(--color-muted);padding-top:3px}
 .assembly-callout>div{min-width:0}.assembly-callout strong{font-size:15px;line-height:1.3;font-weight:500;display:block}.assembly-callout p{font-size:11px;color:var(--color-muted);line-height:1.4;margin-top:4px}
 .callout-status{font:9px var(--font-mono);color:var(--color-muted);margin-left:auto;flex:none;padding-top:3px}
}
@media(max-width:360px){.assembly-callout{gap:9px}.assembly-callout strong{font-size:14px}.assembly-callout p{font-size:10px}.callout-status{font-size:8px}}

.workflow-goal{background:var(--color-dark);padding:88px 0;color:var(--color-ink)}
.workflow-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:end;gap:80px;margin-bottom:48px}
.workflow-heading h2{font-size:54px;line-height:1.08;font-weight:400}.workflow-heading .chapter-label{font-size:11px;margin-bottom:22px}
.workflow-heading>p{font-size:17px;line-height:1.7;color:var(--color-muted);max-width:490px}
.workflow-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px;padding-top:32px;border-top:1px solid var(--color-rule)}
.workflow-principles svg{color:var(--color-muted)}.workflow-principles h3{font-size:22px;line-height:1.25;font-weight:400;margin:22px 0 14px}.workflow-principles p{font-size:14px;line-height:1.7;color:var(--color-muted);max-width:370px}
.workflow-boundary{font-size:11px;line-height:1.7;color:var(--color-muted);max-width:1050px;margin-top:36px}
@media(max-width:1100px){.workflow-heading{gap:44px}.workflow-heading h2{font-size:46px}.workflow-heading>p{font-size:15px}.workflow-principles{gap:32px}.workflow-principles h3{font-size:20px}.workflow-principles p{font-size:13px}}
@media(max-width:760px){.workflow-goal{padding:60px 0}.workflow-heading{grid-template-columns:minmax(0,1fr);gap:24px;margin-bottom:30px}.workflow-heading h2{font-size:38px}.workflow-heading .chapter-label{font-size:10px}.workflow-heading>p{font-size:14px}.workflow-principles{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:28px}.workflow-principles>div{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px 18px}.workflow-principles svg{width:24px;height:24px;grid-row:1 / 3;margin-top:3px}.workflow-principles h3{font-size:21px;margin:0}.workflow-principles p{font-size:13px}.workflow-boundary{font-size:10px;margin-top:30px}}
@media(max-width:360px){.workflow-heading h2{font-size:34px}.workflow-principles h3{font-size:19px}}