/* Semaphor Metrics. Tokens copied from semaphor-app brand/tokens/brand.css and mode-marketing.css (ledger palette). */
:root{--semaphor-brand:217 91% 53%;--brand-success:142 71% 45%;--brand-danger:0 72.2% 50.6%;
--brand-font-sans:'Open Sans','Open Sans Fallback',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
--brand-font-mono:'Fira Code',ui-monospace,SFMono-Regular,'SF Mono',Menlo,Consolas,'Liberation Mono',monospace;
--brand-radius-sm:4px;--brand-radius-md:5px;--brand-radius-lg:6px;--brand-shadow-2:0 4px 12px rgb(0 0 0 / 0.06)}
[data-surface='marketing']{--background:48 38% 97.5%;--foreground:51 19% 7.3%;--card:0 0% 100%;--secondary:47 27% 93.5%;--muted:47 27% 95%;
--muted-foreground:46 7% 42%;--border:45 22% 85.9%;--marketing-body:45 9% 26.7%;--marketing-band:47 27% 93.5%}
*{box-sizing:border-box}
html{background:hsl(var(--background))}
body{margin:0;font-family:var(--brand-font-sans);font-size:17px;line-height:1.65;color:hsl(var(--foreground));background:hsl(var(--background));font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow>*{max-width:760px}
/* nav */
.nav{border-bottom:1px solid hsl(var(--border));position:sticky;top:0;background:hsl(var(--background));z-index:10}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:28px;height:28px}
.brand b{font-family:Inter,var(--brand-font-sans);font-weight:600;letter-spacing:.025em;font-size:20px}
.brand span{color:hsl(var(--muted-foreground));font-size:15px;font-weight:500}
.nav nav{display:flex;gap:22px;font-size:14px;margin-left:8px}
.nav nav a{text-decoration:none;color:hsl(var(--marketing-body))}
.nav nav a:hover,.nav nav a.on{color:hsl(var(--foreground))}
.nav .cta{margin-left:auto}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;font:600 14px/20px var(--brand-font-sans);padding:9px 16px;border-radius:var(--brand-radius-md);text-decoration:none;border:1px solid hsl(var(--foreground));color:hsl(var(--foreground));background:transparent}
.btn.ink{background:hsl(var(--foreground));color:hsl(var(--background))}
.btn.blue{background:hsl(var(--semaphor-brand));border-color:hsl(var(--semaphor-brand));color:#fff}
.btn.light{border-color:hsl(var(--background) / .4);color:hsl(var(--background))}
.btn.paper{background:hsl(var(--background));color:hsl(var(--foreground));border-color:hsl(var(--background))}
.btn:hover{opacity:.85}
/* type */
.mk-kick{font-family:var(--brand-font-mono);font-size:12px;line-height:16px;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));font-weight:500}
.mk-display,h1,h2,h3{font-weight:600;letter-spacing:-.035em;color:hsl(var(--foreground))}
h1{font-size:40px;line-height:1.06;margin:18px 0 0}
.lede{font-size:18px;line-height:1.6;color:hsl(var(--marketing-body));max-width:640px;margin:22px 0 0}
h2{font-size:30px;line-height:1.12;margin:72px 0 18px}
h3{font-size:20px;line-height:1.25;letter-spacing:-.02em;margin:10px 0 6px}
@media(min-width:640px){h1{font-size:60px;line-height:1.04}.lede{font-size:19px}h2{font-size:32px}}
.mk-underline{background-image:linear-gradient(hsl(var(--semaphor-brand)),hsl(var(--semaphor-brand)));background-repeat:no-repeat;background-size:100% 3px;background-position:0 96%}
/* hero */
.hero{padding:88px 0 56px;border-bottom:1px solid hsl(var(--border))}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.crumbs{font-size:13px;color:hsl(var(--muted-foreground));margin-bottom:22px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
/* content */
.content{padding-bottom:40px}
.content p,.content li{color:hsl(var(--marketing-body))}
.content ul{padding-left:20px}.content li{margin:8px 0}
.content strong{color:hsl(var(--foreground));font-weight:600}
.content a{color:hsl(var(--foreground));text-decoration-color:hsl(var(--border));text-underline-offset:3px}
.content a:hover{text-decoration-color:hsl(var(--foreground))}
.formula{font-family:var(--brand-font-mono);font-size:15px;background:hsl(var(--card));border:1px solid hsl(var(--border));border-left:3px solid hsl(var(--foreground));border-radius:var(--brand-radius-sm);padding:14px 18px;color:hsl(var(--foreground))!important}
table{border-collapse:collapse;width:100%;font-size:14px;margin:16px 0;background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg)}
th,td{border-bottom:1px solid hsl(var(--border));padding:9px 12px;text-align:left;vertical-align:top}
th{font-weight:600;font-size:13px;background:hsl(var(--secondary))}
pre{background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);padding:16px;overflow-x:auto;font-size:13px;line-height:1.55}
code{font-family:var(--brand-font-mono);font-size:.86em}
/* FAQ */
.faq dt{font-weight:600;margin-top:22px;color:hsl(var(--foreground))}
.faq dd{margin:6px 0 0;color:hsl(var(--marketing-body))}
/* data team */
details.data{margin-top:72px;border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);background:hsl(var(--card))}
details.data summary{cursor:pointer;padding:18px 22px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.data summary::after{content:"+";font-family:var(--brand-font-mono);color:hsl(var(--muted-foreground))}
details.data[open] summary::after{content:"\2212"}
details.data summary small{font-weight:400;color:hsl(var(--muted-foreground));font-size:14px;margin-left:10px}
details.data .inner{padding:0 22px 22px;border-top:1px solid hsl(var(--border))}
details.data h4{margin:26px 0 8px;font-size:16px}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:20px 0}
.card{display:block;background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);padding:22px 22px 20px;text-decoration:none}
a.card:hover{border-color:hsl(var(--foreground))}
.card p{margin:4px 0 0;font-size:15px;line-height:1.55;color:hsl(var(--marketing-body))}
.card-f{display:block;margin-top:16px;padding-top:12px;border-top:1px solid hsl(var(--border));font:13px/1.4 var(--brand-font-mono);color:hsl(var(--muted-foreground))}
.soon{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));border-top:1px solid hsl(var(--border))}
.soon div{padding:14px 0;border-bottom:1px solid hsl(var(--border));padding-right:16px}
.soon b{display:block;font-weight:600;font-size:15px}.soon span{font-size:14px;color:hsl(var(--muted-foreground))}
/* visuals */
.viz{background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);padding:24px;margin:16px 0}
.viz-head{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.viz-big{font-size:36px;font-weight:600;letter-spacing:-.03em;line-height:1.1;color:hsl(var(--foreground))}
.viz-sub{font-size:14px;color:hsl(var(--muted-foreground))}
.viz .row{display:grid;grid-template-columns:170px 1fr 110px;gap:14px;align-items:center;margin:10px 0;font-size:14px}
.viz .row b{text-align:right;font-weight:600}
.viz .track{height:14px;background:hsl(var(--secondary));border-radius:var(--brand-radius-sm);overflow:hidden}
.viz .track i{display:block;height:100%;background:hsl(var(--foreground) / .8);border-radius:var(--brand-radius-sm)}
.viz .track i.accent{background:hsl(var(--semaphor-brand))}
.viz .track i.neg{background:hsl(var(--brand-danger))}
.viz .track i.pos{background:hsl(var(--brand-success))}
.down{color:hsl(var(--brand-danger))!important}.accent-text{color:hsl(var(--semaphor-brand))!important}
.kpi-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.kpi-pair>div{display:flex;flex-direction:column;gap:6px;border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);padding:16px}
.viz-note{font-size:14px;margin:14px 0 0}
.viz-foot{font-size:12px;margin:14px 0 0;color:hsl(var(--muted-foreground))!important;font-family:var(--brand-font-mono)}
@media(max-width:600px){.viz .row{grid-template-columns:110px 1fr 84px;font-size:13px}.kpi-pair{grid-template-columns:1fr}}
/* demo frame */
.demo-frame{margin:28px 0 0;border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);overflow:hidden;background:hsl(var(--card));box-shadow:var(--brand-shadow-2)}
.demo-frame .bar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid hsl(var(--border));background:hsl(var(--secondary));font-size:13px}
.demo-frame iframe{display:block;width:100%;height:760px;border:0}
.band{background:hsl(var(--marketing-band));border-top:1px solid hsl(var(--border));border-bottom:1px solid hsl(var(--border));padding:72px 0;margin-top:72px}
.band h2{margin-top:0}
/* offer */
.offer{background:hsl(var(--foreground));color:hsl(var(--background));padding:80px 0;margin-top:88px}
.offer h2{color:hsl(var(--background));margin:14px 0 14px;max-width:720px}
.offer p{color:hsl(var(--background) / .72);max-width:600px;margin:0}
.offer .mk-kick{color:hsl(var(--background) / .55)}
.offer .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.offer ul{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;max-width:900px;border-top:1px solid hsl(var(--background) / .15)}
.offer li{padding:14px 16px 14px 0;color:hsl(var(--background) / .8);font-size:15px;border-bottom:1px solid hsl(var(--background) / .15)}
.offer li b{display:block;color:hsl(var(--background));font-family:var(--brand-font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:500}
footer{padding:36px 0 48px;font-size:14px;color:hsl(var(--muted-foreground))}
footer .wrap{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
footer a{text-decoration:none}footer a:hover{color:hsl(var(--foreground))}
.meta{font-family:var(--brand-font-mono);font-size:12px;color:hsl(var(--muted-foreground));margin-top:40px}
/* v3 library layout */
.brand b{font-family:var(--brand-font-sans);letter-spacing:-.01em;font-size:16px}
.nav .by{margin-left:auto;font-size:13px;color:hsl(var(--muted-foreground));text-decoration:none}
.nav .by:hover{color:hsl(var(--foreground))}
.nav nav{gap:18px}
.doc{display:grid;grid-template-columns:220px minmax(0,760px);gap:56px;align-items:start}
.toc{position:sticky;top:88px;padding-top:56px;font-size:14px}
.toc ol{list-style:none;padding:0;margin:12px 0 0;border-left:1px solid hsl(var(--border))}
.toc li{margin:0}.toc a{display:block;padding:5px 0 5px 14px;text-decoration:none;color:hsl(var(--muted-foreground));line-height:1.4}
.toc a:hover{color:hsl(var(--foreground))}
@media(max-width:960px){.doc{grid-template-columns:1fr}.toc{display:none}}
.content h2{scroll-margin-top:80px}
.content h3{margin-top:32px}
.callout{margin:56px 0 0;border:1px solid hsl(var(--border));border-left:3px solid hsl(var(--semaphor-brand));border-radius:var(--brand-radius-sm);background:hsl(var(--card));padding:16px 20px;font-size:15px}
.callout p{margin:0}
.card.muted{background:transparent;border-style:dashed}
.card.muted h3,.card.muted p{color:hsl(var(--muted-foreground))}
.roles{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.roles td:first-child{font-weight:600;white-space:nowrap;color:hsl(var(--foreground))}
.hero{padding:64px 0 44px}
/* v4 explainers */
.explainer{margin:20px 0 8px;background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-lg);padding:20px 20px 14px}
.ex-scroll{overflow-x:auto}
.explainer svg{display:block;width:100%;min-width:600px;height:auto;font-family:var(--brand-font-sans);font-variant-numeric:tabular-nums}
.explainer figcaption{margin-top:12px;font-size:14px;line-height:1.5;color:hsl(var(--marketing-body))}
.ex-tag{display:inline-block;font:500 11px/16px var(--brand-font-mono);letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));border:1px solid hsl(var(--border));border-radius:var(--brand-radius-sm);padding:1px 6px;margin-right:6px;background:hsl(var(--background))}
.ex-label{font-size:14px}
.explainer .t-h{font-size:15px;font-weight:600;fill:hsl(var(--foreground))}
.explainer .t-l{font-size:13px;fill:hsl(var(--foreground))}
.explainer .t-s{font-size:12px;fill:hsl(var(--muted-foreground))}
.explainer .t-v{font-size:13px;font-weight:600;fill:hsl(var(--foreground))}
.explainer .t-in{font-size:11.5px;fill:hsl(var(--background))}
.explainer .t-b{font-weight:600}
.explainer .t-big{font-size:30px;font-weight:600;letter-spacing:-.02em;fill:hsl(var(--foreground))}
.explainer .t-bad{fill:hsl(var(--brand-danger))}.explainer .t-good{fill:hsl(142 71% 32%)}.explainer .t-m{fill:hsl(var(--muted-foreground))}
.explainer .t-blue{fill:hsl(var(--semaphor-brand))}
.explainer .f-ink2{fill:hsl(var(--foreground) / .78)}
.explainer .f-blue{fill:hsl(var(--semaphor-brand))}
.explainer .f-band{fill:hsl(var(--secondary));stroke:hsl(var(--border))}
.explainer .f-hatch{fill:hsl(var(--background));stroke:hsl(var(--border));stroke-dasharray:3 3}
.explainer .f-open{fill:hsl(var(--background));stroke:hsl(var(--muted-foreground) / .6);stroke-dasharray:3 3}
.explainer .f-bad{fill:hsl(var(--brand-danger))}
.explainer .f-badsoft{fill:hsl(var(--brand-danger) / .14)}
.explainer .f-gap{fill:hsl(var(--semaphor-brand) / .12)}
.explainer .s-rule{stroke:hsl(var(--border))}
.explainer .s-grid{stroke:hsl(var(--border));stroke-width:1}
.explainer .s-dash{stroke:hsl(var(--semaphor-brand));stroke-dasharray:4 3}
.explainer .s-bad{stroke:hsl(var(--brand-danger));stroke-width:2}
.content h3 + table, .content p + table{margin-top:10px}
.explainer .t-xs{font-size:10px}
.explainer .s-blue{stroke:hsl(var(--semaphor-brand));stroke-width:2}

.planner .note{font-size:14px;color:hsl(var(--muted-foreground))}
.pstep{border-top:1px solid hsl(var(--border));padding:8px 0 16px}
.pstep h2 .num{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:6px;background:hsl(var(--foreground));color:hsl(var(--background));font-size:15px;margin-right:10px;vertical-align:2px}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.opt{display:flex;gap:10px;align-items:flex-start;border:1px solid hsl(var(--border));border-radius:6px;padding:12px;cursor:pointer;background:hsl(var(--card,var(--background)))}
.opt:has(input:checked){border-color:hsl(var(--semaphor-brand));box-shadow:0 0 0 1px hsl(var(--semaphor-brand))}
.opt small{display:block;color:hsl(var(--muted-foreground));font-size:13px;margin-top:2px}
.ftable td.c{text-align:center}.t-sm{font-size:13px;color:hsl(var(--muted-foreground))}
.dash{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin:12px 0 8px}
.dcard{border:1px solid hsl(var(--border));border-radius:6px;padding:14px;background:hsl(var(--background))}
.dcard .dv{font-size:26px;font-weight:700;margin:4px 0}.dcard svg{width:100%;height:auto;margin-top:8px}.dcard svg text{font-size:10px;fill:hsl(var(--muted-foreground))}
.seq li{margin-bottom:8px}.pill{display:inline-block;font-size:12px;border:1px solid hsl(var(--border));border-radius:4px;padding:0 6px;margin-left:4px}
.print-head{display:none}
.copydef{margin-top:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.copydef .t-sm{min-height:1em}
.toc .plan-link{display:block;margin-top:20px;padding:12px;border:1px solid hsl(var(--border));border-radius:6px;font-size:13px;text-decoration:none;color:hsl(var(--foreground))}
.rolecard{border-top:1px solid hsl(var(--border));padding-top:4px}
@media print{
 header.nav,footer,.hero,.pstep,.planner>.note,.noprint,.toc{display:none!important}
 body{background:#fff}.print-head{display:flex;justify-content:space-between;gap:12px;font-size:12px;border-bottom:1px solid #ccc;padding-bottom:6px;margin-bottom:8px}
 .dash{grid-template-columns:repeat(3,1fr)}.dcard{break-inside:avoid}h2,h3{break-after:avoid}
 #output{display:block!important}.wrap{max-width:none;padding:0}
 .pack section.m{break-before:page}
}