/* Helm Labs / research-led editorial identity. */
:root{color-scheme:light;--bg:#f6f5f1;--deep:#edede7;--text:#242720;--muted:#686b62;--line:#282b201f;--sage:#505b40;--lavender:#6c5c76;--peach:#996134;--surface:#eeeee8;--surface-raised:#fcfbf8;--surface-glass:#f6f5f1ee;--strong-line:#282b2033;--accent-wash:#343e1b06;--shadow:0 10px 50px #222a1308;--inverse:#fcfbf8}
:root[data-theme=dark]{color-scheme:dark;--bg:#181a17;--deep:#131512;--text:#eeeee5;--muted:#a0a597;--line:#eeeee522;--sage:#c2ccb2;--lavender:#c6b4d2;--peach:#dab58a;--surface:#20231e;--surface-raised:#282c25;--surface-glass:#181a17ed;--strong-line:#eeeee53a;--accent-wash:#dbe6c409;--shadow:0 10px 50px #0002;--inverse:#181a17}
.editorial-edition{--muted:light-dark(#686b62,#a0a597);background:var(--bg);font-size:16px;line-height:1.65}
.editorial-edition h1,.editorial-edition h2,.editorial-edition h3{font-weight:430}
.editorial-edition em{font-family:inherit;font-style:normal;font-weight:inherit;color:var(--muted)!important;letter-spacing:inherit!important;font-size:inherit!important}
.editorial-edition .section-wrap{max-width:1392px;padding-inline:64px}
.editorial-edition .section-space,.lab-space{padding-block:112px}
.editorial-edition .compact-top{padding-top:0}
.editorial-edition h2{font-size:clamp(36px,3.65vw,53px);line-height:1.12;letter-spacing:-2.2px}
.editorial-edition h2 span{color:var(--muted)}
.editorial-edition .eyebrow,.section-label{font:10px/1.6 var(--mono);letter-spacing:.05em;color:var(--muted)}
.editorial-edition .eyebrow i{border-radius:0;width:4px;height:4px}
.editorial-edition .button{background:var(--text);color:var(--bg);font-size:13px;border:1px solid var(--text);border-radius:5px;gap:26px;padding:13px 20px;line-height:1.5;font-weight:450;transition:background .2s,transform .2s}
.editorial-edition .button:hover{background:var(--sage);border-color:var(--sage);color:var(--bg);transform:translateY(-1px)}
.editorial-edition .text-link{display:inline-flex;align-items:center;gap:18px;font-size:13px;line-height:1.5;color:var(--text)}
.editorial-edition .text-link>span{transition:transform .2s}
.editorial-edition .text-link:hover>span{transform:translate(2px,-2px)}
.editorial-edition .site-header{position:sticky;top:0;max-width:none;height:80px;padding-inline:max(40px,calc((100vw - 1264px)/2));gap:27px;border-bottom:1px solid var(--line);background:var(--surface-glass);backdrop-filter:blur(16px);z-index:50}
.editorial-edition .brand{gap:10px;flex-shrink:0}.editorial-edition .brand>span{font-size:25px;font-weight:500;letter-spacing:-.8px}.editorial-edition .brand img{width:29px;height:29px}.editorial-edition .brand .labs{font-size:13px;font-weight:400;letter-spacing:0;border:0;padding:0;margin-left:6px;color:var(--muted)}
[data-theme=light] img[src="assets/helm-mark.svg"]{filter:brightness(.15)}
.editorial-edition .desktop-nav{gap:28px;margin-left:auto;margin-right:0;font-size:12px;color:var(--text)}
.editorial-edition .desktop-nav>a,.editorial-edition .nav-toggle{font-size:12px;color:var(--text)}
.editorial-edition .header-cta{order:3;font-size:12px;padding:10px 16px;gap:22px;white-space:nowrap}
.appearance-controls{display:flex;gap:2px;align-items:center;order:2;margin-left:0;border:0}
.appearance-button{padding:0;display:flex;align-items:center;justify-content:center;border:0;border-radius:50%;width:32px;height:32px;min-width:32px;color:var(--muted);background:none}
.appearance-button:hover{background:var(--accent-wash);color:var(--text)}.appearance-button:disabled{opacity:.45;cursor:default}
.theme-name{display:none}.moon-icon,[data-theme=dark] .sun-icon,.play-icon,[data-motion=off] .pause-icon{display:none}[data-theme=dark] .moon-icon,[data-motion=off] .play-icon{display:block}
.editorial-edition .nav-dropdown{background:var(--surface-raised);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:5px;padding:20px}.editorial-edition .nav-dropdown a:hover{background:var(--accent-wash)}.editorial-edition .nav-dropdown strong{font-size:13px}.editorial-edition .nav-dropdown small{font-size:11px}
.reading-progress{display:none}
.lab-hero{position:relative;padding-top:55px;overflow:hidden}
.research-announcement{font-size:12px;display:flex;align-items:center;justify-content:center;gap:14px;color:var(--muted);width:max-content;max-width:100%;margin:0 auto 41px}
.research-announcement .mono{font-size:8px;border:1px solid var(--strong-line);padding:3px 6px;border-radius:2px;color:var(--text)}
.research-announcement>span:last-child{color:var(--text)}
.lab-hero h1{text-align:center;font-size:clamp(64px,7.05vw,102px);line-height:1.04;letter-spacing:-5.5px;font-weight:450!important;margin:0}
.lab-hero h1>span{color:var(--muted)}
.lab-hero>.section-wrap>p{font-size:16px;line-height:1.7;text-align:center;max-width:560px;margin:30px auto 0;color:var(--muted)}
.lab-hero-actions{display:flex;justify-content:center;align-items:center;gap:26px;margin-top:25px}
.lab-field{position:relative;height:370px;width:100%;margin:0;isolation:isolate;overflow:hidden}
.lab-field canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1}
.field-fallback{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;opacity:1;transition:opacity .5s}
[data-ready=true]>.field-fallback{opacity:0}
.lab-field[data-ready=fallback] canvas{display:none}
.lab-field figcaption{position:absolute;bottom:12px;left:0;right:0;text-align:center;font:8px var(--mono);color:var(--muted);z-index:2}
.lab-hero>.lab-field{height:300px;margin-top:16px}
.hero-footnote{display:flex;justify-content:space-between;align-items:center;gap:30px;font:8px/1.6 var(--mono);letter-spacing:.06em;color:var(--muted);padding-top:10px;padding-bottom:24px}
.hero-footnote>a{font-size:20px;color:var(--text)}
.platform-index{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}
.platform-index>a{display:flex;align-items:center;gap:15px;padding:24px 20px;font-size:15px;border-right:1px solid var(--line);transition:background .2s}
.platform-index>a:first-child{padding-left:0}.platform-index>a:last-child{border:0;padding-right:0}
.platform-index>a>span:first-child{font:9px var(--mono);color:var(--muted)}.platform-index>a>span:last-child{margin-left:auto;color:var(--muted)}.platform-index>a:hover{background:var(--accent-wash)}
.lab-thesis{display:grid;grid-template-columns:1fr 2.7fr;gap:65px}
.lab-thesis>.section-label{padding-top:7px}.label-rule{display:block;width:36px;height:1px;background:var(--strong-line);margin-top:22px}
.lab-thesis h2{font-size:46px;line-height:1.2;letter-spacing:-1.9px}
.thesis-copy{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin:32px 0 27px}
.thesis-copy p{font-size:15px;line-height:1.8;color:var(--muted)}
.lab-product-section{background:var(--deep);border-block:1px solid var(--line)}
.lab-section-intro{display:flex;justify-content:space-between;gap:55px;align-items:flex-end;margin-bottom:45px}
.lab-section-intro .section-label{display:block;margin-bottom:25px}
.lab-section-intro>p{max-width:360px;font-size:15px;line-height:1.8;color:var(--muted);padding-bottom:3px}
.editorial-edition .judgment-demo{background:var(--bg);border:1px solid var(--strong-line);border-radius:7px;overflow:hidden;box-shadow:0 15px 35px #10140707;margin-top:0}
.editorial-edition .judgment-demo-toolbar{padding:17px 26px;background:var(--surface);border-bottom:1px solid var(--line)}
.editorial-edition .judgment-demo-toolbar>.mono{font-size:9px;color:var(--muted)}
.editorial-edition .judgment-demo-grid{grid-template-columns:.85fr 1.3fr}
.editorial-edition .judgment-controls{padding:35px;background:var(--bg);border-right:1px solid var(--line)}
.editorial-edition .judgment-controls>label:first-child{font-size:9px}
.editorial-edition .judgment-controls select{background:var(--surface-raised);border:1px solid var(--strong-line);border-radius:4px;font-size:13px;color:var(--text);padding:12px;margin:12px 0 30px}
.editorial-edition .judgment-controls h3{font-size:27px;line-height:1.25;letter-spacing:-.8px}
.editorial-edition .judgment-controls>p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:17px}
.editorial-edition .evidence-toggle{font-size:12px;line-height:1.6;padding:20px 0;margin-top:25px;border-block:1px solid var(--line)}
.editorial-edition .toggle-track{background:var(--strong-line)}
.editorial-edition .evidence-toggle input:checked+.toggle-track{background:var(--sage)}
.editorial-edition .judgment-controls .demo-footnote{font-size:10px;line-height:1.7;margin-top:24px}
.editorial-edition .judgment-result{padding:35px;background:var(--surface-raised)}
.editorial-edition .judgment-result>.mono{font-size:8px;color:var(--muted)}
.editorial-edition .judgment-result>code{display:block;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:4px;font-size:13px;padding:15px;margin:12px 0 25px;white-space:normal;overflow-wrap:anywhere}
.editorial-edition .judgment-verdict{border:1px solid color-mix(in srgb,var(--peach) 35%,transparent);border-radius:4px;background:color-mix(in srgb,var(--peach) 5%,var(--surface-raised));padding:24px;gap:15px;transition:background .3s,border-color .3s}
.editorial-edition .judgment-verdict[data-outcome=proceed]{border-color:color-mix(in srgb,var(--sage) 35%,transparent);background:color-mix(in srgb,var(--sage) 5%,var(--surface-raised))}
.editorial-edition .judgment-verdict .mono{font-size:9px;color:var(--peach)}
.editorial-edition .judgment-verdict[data-outcome=proceed] .mono{color:var(--sage)}
.editorial-edition .judgment-verdict h4{font-size:25px;letter-spacing:-.65px;line-height:1.25}
.editorial-edition .judgment-verdict p{font-size:12px;line-height:1.8;color:var(--muted)}
.editorial-edition .judgment-evidence-list dt{font-size:8px;color:var(--muted)}.editorial-edition .judgment-evidence-list dd{font-size:12px;line-height:1.7}.editorial-edition .judgment-record{font-size:7px;color:var(--muted)}
.product-tail{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:26px}.product-tail p{font-size:12px;color:var(--muted)}
.foundation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:50px}
.foundation-grid>a{padding:33px 35px 0 0;border-right:1px solid var(--line);display:flex;align-items:flex-start;flex-direction:column}
.foundation-grid>a+a{padding-left:35px}.foundation-grid>a:last-child{border:0;padding-right:0}
.foundation-number{font:11px var(--mono);color:var(--muted);margin-bottom:50px}
.foundation-grid h3{font-size:27px;line-height:1.2;letter-spacing:-.75px;margin-bottom:19px}
.foundation-grid p{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:38px;max-width:340px}
.foundation-link{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;width:100%;margin-top:auto}
.foundation-link b{font-size:18px;font-weight:400;transition:transform .2s}.foundation-grid a:hover b,.lab-buyers a:hover b{transform:translate(2px,-2px)}
.lab-research{background:var(--text);color:var(--bg);overflow:hidden}
.lab-research-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;padding-block:90px}
.lab-research .section-label{color:color-mix(in srgb,var(--bg) 65%,transparent);display:block;margin-bottom:30px}
.lab-research h2{font-size:62px;letter-spacing:-3px;line-height:1.05}
.lab-research p{font-size:15px;line-height:1.8;max-width:420px;margin:26px 0;color:color-mix(in srgb,var(--bg) 73%,transparent)}
.lab-research .button{background:var(--bg);color:var(--text);border-color:var(--bg);margin-top:5px}
.research-status{display:block;margin-top:25px;font-size:8px;color:color-mix(in srgb,var(--bg) 65%,transparent)}
.research-plate{border-top:1px solid color-mix(in srgb,var(--bg) 25%,transparent);border-bottom:1px solid color-mix(in srgb,var(--bg) 25%,transparent)}
.research-plate>.lab-field{height:360px;filter:invert(1) grayscale(.7)}
.research-plate-footer{display:flex;justify-content:space-between;gap:20px;font-size:11px;padding:20px 0;border-top:1px solid color-mix(in srgb,var(--bg) 25%,transparent);color:color-mix(in srgb,var(--bg) 70%,transparent)}
.lab-buyers{display:grid;grid-template-columns:1fr 1fr;gap:70px;border-top:1px solid var(--line);padding-top:35px}
.lab-buyers>a{display:flex;align-items:flex-start;flex-direction:column}.lab-buyers .mono{font-size:9px;color:var(--muted)}
.lab-buyers h3{font-size:30px;letter-spacing:-1px;line-height:1.25;margin:24px 0 19px}
.lab-buyers p{font-size:15px;line-height:1.8;color:var(--muted);max-width:440px;margin-bottom:34px}
.use-case-links{display:flex;flex-wrap:wrap;gap:20px 28px;border-block:1px solid var(--line);padding-block:25px;margin-top:58px;align-items:center;font-size:12px}
.use-case-links .mono{font-size:8px;color:var(--muted);margin-right:auto}.use-case-links a:hover{text-decoration:underline;text-underline-offset:4px}
.lab-cta{padding-block:40px 125px;text-align:center}
.lab-cta>.mono{font-size:9px;color:var(--muted)}.lab-cta h2{font-size:75px;line-height:1.08;letter-spacing:-3.5px;margin:27px 0 30px}.lab-cta>p{font-size:13px;color:var(--muted);margin-top:22px}
/* Shared product, research, and use-case pages. */
.editorial-edition .hero-topline{border:0;padding-top:28px}.editorial-edition .hero-coordinate{font-size:9px;color:var(--muted)}
.editorial-edition .page-hero-grid,.editorial-edition .page-hero-grid.with-art{display:block;padding-block:70px 60px;min-height:0}
.editorial-edition .page-hero-grid>div:first-child{max-width:1000px}
.editorial-edition .page-hero h1{font-size:76px;line-height:1.05;letter-spacing:-3.8px;max-width:950px}
.editorial-edition .page-hero-grid>div>p,.editorial-edition .page-hero-grid.with-art>div>p{max-width:620px;font-size:17px;line-height:1.75;color:var(--muted);margin-top:28px}
.editorial-edition .page-hero .hero-actions{display:flex;gap:27px;align-items:center;margin-top:29px;flex-wrap:wrap}
.editorial-edition .page-hero-grid>.lab-field{height:255px;margin:25px auto -30px;width:100%}
.editorial-edition .brain-hero-art{max-width:none!important;margin-top:25px}.editorial-edition .brain-hero-art .lab-field{height:275px}.editorial-edition .brain-hero-art>.mono{font-size:8px;color:var(--muted);margin:0}
.runtime-summary{margin-top:45px;max-width:870px;padding:25px 0;border-block:1px solid var(--line)}.runtime-summary>.mono{color:var(--muted);font-size:8px}.runtime-summary>div{display:flex;gap:35px;align-items:center;justify-content:space-between;font-size:20px;margin:19px 0}.runtime-summary strong{font-weight:450}.runtime-summary b{font-size:22px;color:var(--muted);font-weight:300}.editorial-edition .runtime-summary>p{font-size:11px;margin:0}
.system-summary{margin-top:45px;max-width:760px;border-block:1px solid var(--line);padding-block:24px}.system-summary>.mono{font-size:8px;color:var(--muted)}.system-summary>div{display:flex;gap:10px;margin:20px 0}.system-summary>div>span{background:var(--surface);border:1px solid var(--line);padding:12px 25px;font-size:12px}.system-summary>strong{display:block;font-size:30px;font-weight:400;letter-spacing:-1px}
.editorial-edition .section-heading{margin-bottom:27px}.editorial-edition .split-heading{gap:50px;align-items:flex-end}.editorial-edition .split-heading>p{font-size:15px;line-height:1.8;max-width:420px}
.editorial-edition .tinted-section{background:var(--deep);border-color:var(--line)}
.editorial-edition .use-case-grid{gap:24px;margin-top:42px}.editorial-edition .use-case-card{border:1px solid var(--line);border-radius:4px;background:transparent;padding:28px;min-width:0}.editorial-edition .use-case-card:hover{background:var(--surface);border-color:var(--strong-line);transform:none}.editorial-edition .use-case-card>.mono{font-size:9px;color:var(--muted)}.editorial-edition .use-case-card h3{font-size:27px;letter-spacing:-.8px;line-height:1.2;margin:28px 0 20px}.editorial-edition .use-case-card p{font-size:14px;line-height:1.8}.editorial-edition .case-card-bottom{font-size:12px;margin-top:35px}
.editorial-edition .buyer-summary{border-block:1px solid var(--line);gap:65px;padding-block:30px}.editorial-edition .buyer-summary .mono{font-size:9px;color:var(--muted)}.editorial-edition .buyer-summary p{font-size:14px;color:var(--text)}
.editorial-edition .detail-cards{gap:40px;margin-top:45px}.editorial-edition .detail-cards article{border-top:1px solid var(--line);padding-top:25px}.editorial-edition .detail-cards h3{font-size:27px;letter-spacing:-.7px;line-height:1.25}.editorial-edition .detail-cards p{font-size:14px;line-height:1.85}.editorial-edition .detail-cards article>.mono{font-size:9px;color:var(--muted)}
.editorial-edition .step-list{gap:45px;margin-top:45px}.editorial-edition .step-list h3{font-size:25px;letter-spacing:-.6px;line-height:1.25}.editorial-edition .step-list p{font-size:14px;line-height:1.85}.editorial-edition .step-number{font-size:30px;color:var(--muted)}
.editorial-edition .platform-cards{gap:25px}.editorial-edition .platform-card{border-radius:4px;background:transparent}.editorial-edition .platform-card>div:last-child{padding:27px}.editorial-edition .platform-card .mono{font-size:8px;color:var(--muted)}.editorial-edition .platform-card h3{font-size:25px}.editorial-edition .platform-card p{font-size:13px;min-height:0;margin-bottom:25px}.editorial-edition .platform-card:hover{transform:none;background:var(--surface)}
.editorial-edition .engagement-panel{border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:45px;gap:70px}.editorial-edition .engagement-panel h2{font-size:43px;letter-spacing:-1.8px}.editorial-edition .engagement-panel p,.editorial-edition .engagement-panel dd{font-size:14px;line-height:1.85}.editorial-edition .engagement-panel dt{font-size:9px}.editorial-edition .engagement-footnote{font-size:11px;line-height:1.7;margin-top:18px}
.editorial-edition .brief-panel{border-radius:4px;background:var(--surface);padding:40px}.editorial-edition .brief-panel>p{font-size:24px;line-height:1.55}.editorial-edition .brief-panel>.mono{font-size:9px}
.editorial-edition .brain-primitives h3{font-size:24px;letter-spacing:-.5px}.editorial-edition .brain-primitives p{font-size:14px;line-height:1.8}.editorial-edition .brain-primitives .mono{font-size:9px}
.editorial-edition .research-evidence p,.editorial-edition .research-resources p{font-size:15px;line-height:1.8}.editorial-edition .research-evidence table{font-size:13px}.editorial-edition .research-resources nav a{font-size:14px}.editorial-edition .research-resources h2{font-size:47px}
.editorial-edition .boundary-note,.editorial-edition .directory-note,.editorial-edition .evidence-footnote{font-size:12px;line-height:1.8;color:var(--muted)}
.editorial-edition .filter-bar button{font-size:12px;border-color:var(--strong-line);border-radius:4px;padding:10px 15px}.editorial-edition .filter-bar button.active{background:var(--text);color:var(--bg)}
.editorial-edition .contract-explorer{border-radius:5px}.editorial-edition .contract-picker,.editorial-edition .contract-code{padding:32px;background:var(--surface)}.editorial-edition .contract-picker h3{font-size:25px}.editorial-edition .contract-picker p{font-size:14px}.editorial-edition .contract-code pre{font-size:12px;line-height:1.85;overflow-wrap:anywhere;white-space:pre-wrap}.editorial-edition .contract-picker select{font-size:13px}
.editorial-edition .contact{padding-block:85px 105px;border-top:1px solid var(--line);text-align:center}.editorial-edition .contact h2{font-size:64px;letter-spacing:-2.8px}.editorial-edition .contact p{font-size:15px;line-height:1.8;max-width:590px;margin-inline:auto}
.editorial-edition .buyer-doors>a{background:transparent;border-radius:4px;padding:32px}.editorial-edition .buyer-doors h3{font-size:30px;line-height:1.25}.editorial-edition .buyer-doors p{font-size:15px;line-height:1.8}.editorial-edition .buyer-doors .mono{font-size:9px}
.editorial-edition .judgment-buyer-band{border-bottom:1px solid var(--line);padding-block:30px}.editorial-edition .judgment-buyer-band p{font-size:17px}
/* Editable physical conditions, expressed as a readable environment plan. */
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