/* =========================================================================
   NWLB "Horizon" design tokens (light theme by request).
   Contrast (WCAG 2.x, computed): ink on paper 17.1:1 · ink-2 7.8:1 · ink-3 4.7:1
   dawn on paper 4.9:1 · white on dawn 5.2:1 · ink on first-light 8.9:1
   ========================================================================= */
:root{
  --paper:#F8F7F3; --paper-2:#F0EEE7; --hairline:#E3DFD5; --white:#FFFFFF;
  --ink:#14161A; --ink-2:#4A4F57; --ink-3:#6B7079; --line:#8A8F98;
  --dawn:#C2410C; --dawn-hover:#A8370A; --first-light:#F5A524; --dawn-tint:#FBE9DF;
  --success:#15803D; --error:#B91C1C;
  --font-display:"Geist", system-ui, sans-serif;
  --font-body:"Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, sans-serif;
  --font-mono:"Geist Mono", ui-monospace, monospace;
  --r-input:8px; --r-card:14px; --r-pill:999px;
  --max:1200px; --gutter:clamp(16px,4vw,32px);
  --ease:cubic-bezier(.16,1,.3,1);
  --horizon:linear-gradient(90deg,var(--ink) 0%,var(--ink) 30%,var(--first-light) 70%,var(--dawn) 100%);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:18px;line-height:1.55;}
img{max-width:100%;display:block}
a{color:var(--ink);text-underline-offset:3px}
a:hover{color:var(--dawn)}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:12px 16px;border-radius:var(--r-input);z-index:100}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-0.02em;margin:0;color:var(--ink)}
h2{font-size:clamp(28px,3.4vw,42px);line-height:1.12}
h3{font-size:21px;line-height:1.25;letter-spacing:-0.01em}
p{margin:0}
.meta{font-family:var(--font-mono);font-size:14px;letter-spacing:0;color:var(--ink-3)}
.lede{font-size:20px;line-height:1.5;color:var(--ink-2);max-width:60ch}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Buttons: one primary (dawn), one secondary (ink outline); all >= 48px */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:var(--r-pill);
  font-family:var(--font-display);font-weight:500;font-size:17px;text-decoration:none;white-space:nowrap;
  transition:background .2s var(--ease),transform .15s var(--ease),border-color .2s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--dawn);color:#fff}
.btn-primary:hover{background:var(--dawn-hover);color:#fff}
.btn-secondary{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn i{font-size:20px}

/* Horizon line: the single signature gradient on the site */
.horizon{height:2px;background:var(--horizon);border:0;margin:0}
@media (prefers-reduced-motion:no-preference){
  .horizon.rise{transform:scaleX(.2);transform-origin:left;transition:transform 1.1s var(--ease)}
  .horizon.rise.in{transform:scaleX(1)}
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,247,243,.94);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--hairline)}
.bar{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;min-height:44px;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:600;font-size:18px;letter-spacing:-0.01em;color:var(--ink)}
.brand img{width:28px;height:28px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{font-family:var(--font-display);font-size:16px;text-decoration:none;padding:10px 12px;border-radius:var(--r-input);color:var(--ink-2)}
.nav a:hover{color:var(--ink);background:var(--paper-2)}
.bar-actions{display:flex;align-items:center;gap:8px}
.bar-actions .text-link{font-family:var(--font-display);font-size:16px;padding:10px 12px;text-decoration:none;color:var(--ink-2)}
.bar .btn{min-height:44px;padding:0 18px;font-size:16px}
.menu-btn{display:none;margin-left:auto;min-width:48px;min-height:48px;border:1.5px solid var(--hairline);background:var(--white);border-radius:var(--r-input);font-size:24px;color:var(--ink);cursor:pointer}
.sheet{display:none}
@media (max-width:1020px){
  .nav,.bar-actions{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .sheet[data-open="true"]{display:block;border-top:1px solid var(--hairline);background:var(--paper);padding:8px var(--gutter) 24px}
  .sheet a{display:flex;align-items:center;min-height:52px;font-family:var(--font-display);font-size:19px;text-decoration:none;border-bottom:1px solid var(--hairline)}
  .sheet .btn{margin-top:16px;width:100%;border-bottom:0}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,7vw,88px) 0 clamp(40px,6vw,72px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero .meta{margin-bottom:20px}
.hero h1{font-size:clamp(38px,4.6vw,58px);line-height:1.06;letter-spacing:-0.035em;max-width:17ch}
.hero .lede{margin-top:24px;max-width:46ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .hero-ctas .btn{width:100%}
}

/* Real mini component: one HAPI Lite style question */
.try{background:var(--white);border:1px solid var(--hairline);border-radius:var(--r-card);padding:24px;box-shadow:0 24px 48px -28px rgba(60,48,30,.28)}
.try-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.try h2{font-size:22px;line-height:1.3;letter-spacing:-0.01em}
.try fieldset{border:0;margin:16px 0 0;padding:0;display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;min-height:52px;padding:10px 14px;border:1.5px solid var(--hairline);border-radius:var(--r-input);cursor:pointer;background:var(--paper);font-size:17px}
.opt:hover{border-color:var(--line)}
.opt input{width:20px;height:20px;accent-color:var(--dawn);flex:none}
.opt:has(input:checked){border-color:var(--ink);background:var(--white)}
.feedback{margin-top:14px;min-height:52px;font-size:16px;color:var(--ink-2)}
.feedback strong{color:var(--ink)}
.try-foot{margin-top:8px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.try-foot a{font-family:var(--font-display);font-weight:500;display:inline-flex;align-items:center;gap:6px;min-height:44px}

/* ---------- Promise strip (moved out of hero) ---------- */
.promise{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:var(--paper-2)}
.promise ul{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:12px 40px}
.promise li{display:flex;align-items:center;gap:10px;font-size:17px;color:var(--ink)}
.promise i{font-size:22px;color:var(--dawn)}

/* ---------- Section rhythm ---------- */
.section{padding:clamp(64px,9vw,112px) 0}
.section-head{max-width:60ch;margin-bottom:clamp(32px,4vw,48px)}
.section-head .lede{margin-top:16px}

/* Lanes: list rows (not cards) */
.lanes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.lane{display:flex;align-items:center;gap:16px;min-height:88px;padding:16px 4px;border-top:1px solid var(--hairline);text-decoration:none;color:var(--ink)}
.lane:hover{color:var(--ink)}
.lane:hover .lane-go{transform:translateX(4px);color:var(--dawn)}
.lane i.lead{font-size:28px;color:var(--ink-2)}
.lane-text{flex:1}
.lane-text strong{display:block;font-family:var(--font-display);font-weight:500;font-size:21px;letter-spacing:-0.01em}
.lane-text span{color:var(--ink-2);font-size:16px}
.lane-go{font-size:22px;transition:transform .2s var(--ease)}
@media (max-width:760px){.lanes{grid-template-columns:1fr}}

/* Evidence: asymmetric, sourced numbers */
.evidence{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.stat-big{border-top:2px solid var(--ink);padding-top:24px}
.stat-big .num{font-family:var(--font-display);font-weight:600;font-size:clamp(64px,9vw,120px);line-height:.95;letter-spacing:-0.04em}
.stat-big p{font-size:22px;line-height:1.4;margin-top:16px;max-width:30ch}
.stat-stack{display:grid;gap:32px}
.stat{border-top:1px solid var(--line);padding-top:20px}
.stat .num{font-family:var(--font-display);font-weight:600;font-size:44px;letter-spacing:-0.03em;line-height:1}
.stat p{margin-top:10px;color:var(--ink)}
.src{display:block;margin-top:12px}
.src a{color:var(--ink-3)}
@media (max-width:860px){.evidence{grid-template-columns:1fr}}

/* How it works: steps on the horizon */
.how{background:var(--white);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:11px;height:2px;background:var(--horizon)}
.steps li{position:relative;padding-top:40px}
.steps li::before{content:"";position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;background:var(--white);border:2px solid var(--ink)}
.steps li:last-child::before{background:var(--dawn);border-color:var(--dawn)}
.steps h3{margin-bottom:8px}
.steps p{color:var(--ink-2);font-size:17px}
.how-cta{margin-top:48px}
@media (max-width:860px){
  .steps{grid-template-columns:1fr;gap:0;padding-left:32px}
  .steps::before{left:7px;right:auto;top:0;bottom:0;width:2px;height:auto;background:linear-gradient(180deg,var(--ink),var(--first-light),var(--dawn))}
  .steps li{padding:0 0 32px}
  .steps li::before{left:-32px;top:4px}
  .how-cta .btn{width:100%}
}

/* Safe AI at Work: sticky heading + habit rows */
.habits{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px)}
.habits-head{position:sticky;top:100px;align-self:start}
.habit{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:28px 0;border-top:1px solid var(--hairline)}
.habit:first-child{border-top:0;padding-top:0}
.habit i{font-size:32px;color:var(--dawn);width:56px;height:56px;display:grid;place-items:center;border-radius:var(--r-card);background:var(--dawn-tint)}
.habit p{color:var(--ink-2);margin-top:8px}
.habit .meta{margin-top:12px}
@media (max-width:860px){.habits{grid-template-columns:1fr}.habits-head{position:static}}

/* Voice: one featured quote with a portrait slot */
.voice{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,5vw,72px);align-items:center}
.portrait{aspect-ratio:4/5;border-radius:var(--r-card);background:linear-gradient(160deg,var(--paper-2),#E7E2D7);display:grid;place-items:center;text-align:center;padding:24px;color:var(--ink-3)}
.portrait i{font-size:40px;display:block;margin:0 auto 12px}
blockquote{margin:0}
blockquote p{font-family:var(--font-display);font-weight:500;font-size:clamp(26px,3vw,36px);line-height:1.25;letter-spacing:-0.02em}
.cite{margin-top:24px;font-size:17px}
.cite strong{font-family:var(--font-display);font-weight:600}
.cite span{color:var(--ink-2)}
@media (max-width:860px){.voice{grid-template-columns:1fr}.portrait{aspect-ratio:16/10}}

/* Funders & labs: bento with rhythm */
.funders{background:var(--paper-2);border-top:1px solid var(--hairline)}
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.cell{border-radius:var(--r-card);padding:28px;background:var(--white);border:1px solid var(--hairline)}
.cell h3{margin-bottom:10px}
.cell p{color:var(--ink-2)}
.cell a.more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;min-height:44px;font-family:var(--font-display);font-weight:500}
.c-approach{grid-column:span 4;background:var(--ink);color:#F3F1EB;border-color:var(--ink);position:relative;overflow:hidden}
.c-approach h3,.c-approach a{color:#fff}
.c-approach p{color:#CFCBC2;max-width:54ch;font-size:19px}
.c-approach::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--horizon)}
.c-safety{grid-column:span 2}
.c-evidence{grid-column:span 3}
.c-shipped{grid-column:span 3;background:var(--paper)}
.shipped{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:14px}
.shipped li{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:baseline}
.funder-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
@media (max-width:960px){.c-approach,.c-safety,.c-evidence,.c-shipped{grid-column:span 6}}

/* Congress */
.congress{display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;padding-top:40px;padding-bottom:40px}
.date-tile{font-family:var(--font-display);text-align:center;border:1.5px solid var(--ink);border-radius:var(--r-card);padding:14px 22px;line-height:1}
.date-tile .m{font-family:var(--font-mono);font-size:14px;color:var(--dawn)}
.date-tile .d{font-size:48px;font-weight:600;letter-spacing:-0.03em;margin-top:6px}
.congress p{color:var(--ink-2);margin-top:6px}
@media (max-width:760px){.congress{grid-template-columns:1fr}.congress .btn{width:100%}}

/* Footer */
footer{border-top:1px solid var(--hairline);padding:56px 0 40px;font-size:16px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h3{font-size:16px;margin-bottom:12px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.foot a{display:inline-flex;min-height:44px;align-items:center;text-decoration:none;color:var(--ink-2)}
.foot a:hover{color:var(--dawn)}
.foot .help p{color:var(--ink-2);margin-top:8px}
.legal{margin-top:40px;padding-top:24px;border-top:1px solid var(--hairline);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--ink-3);font-size:15px}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}.foot .help{grid-column:span 2}}

/* ===================== v2 inner-page additions (build_v2.py) ===================== */
.numbers .stat,.cell,.lane{min-width:0}
.hero-ctas .btn{max-width:100%;white-space:normal;text-align:center}
.crumb{font-family:var(--font-mono);font-size:14px;color:var(--ink-3);margin-bottom:20px}
.crumb a{color:var(--ink-3);text-decoration:none}.crumb a:hover{color:var(--dawn)}
.hero.one .hero-grid{grid-template-columns:1fr}
.hero.one h1{max-width:20ch}
.hero.one .lede{max-width:60ch}
.section.alt{background:var(--white);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.section.tint{background:var(--paper-2);border-top:1px solid var(--hairline)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{min-width:0;overflow-wrap:anywhere;border-radius:var(--r-card);padding:28px;background:var(--white);border:1px solid var(--hairline);display:flex;flex-direction:column;gap:10px;color:var(--ink);text-decoration:none;position:relative}
a.card:hover{border-color:var(--ink)}
a.card:hover h3{color:var(--dawn)}
.card i.lead{font-size:28px;color:var(--dawn)}
.card h3{margin:0}
.card p{color:var(--ink-2);font-size:17px}
.card .meta{margin-top:auto;padding-top:8px}
.card .more{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-family:var(--font-display);font-weight:500;text-decoration:none;margin-top:auto}
.card.ink{background:var(--ink);border-color:var(--ink);color:#F3F1EB}
.card.ink h3,.card.ink a{color:#fff}.card.ink p{color:#CFCBC2}
@media (max-width:960px){.cards,.cards.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.cards,.cards.two,.cards.four{grid-template-columns:1fr}}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.checks li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start}
.checks i{color:var(--success);font-size:22px;margin-top:2px}
.checks strong{display:block}
.checks span{color:var(--ink-2)}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:start}
.split .section-head{margin-bottom:0}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.numbers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:860px){.numbers{grid-template-columns:repeat(2,minmax(0,1fr))}}
.verify{position:relative;border-bottom:2px dotted var(--first-light);cursor:help}
.stat .num .verify::after,.stat-big .num .verify::after{display:block;margin:4px 0 0;width:max-content}
.stat .num{overflow-wrap:anywhere}
.verify::after{content:"verify";font-family:var(--font-mono);font-size:11px;color:var(--dawn);background:var(--dawn-tint);border-radius:4px;padding:1px 5px;margin-left:6px;vertical-align:middle;letter-spacing:.02em}
.notice{border-left:3px solid var(--first-light);background:var(--dawn-tint);padding:16px 20px;border-radius:0 var(--r-card) var(--r-card) 0;color:var(--ink);font-size:16px}
.notice strong{font-family:var(--font-display)}
.prose{max-width:68ch}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin-top:48px;margin-bottom:12px}
.prose h3{margin-top:28px;margin-bottom:8px}
.prose p,.prose li{color:var(--ink-2);margin-bottom:14px}
.prose ul{padding-left:22px}
.prose .meta{display:block;margin-bottom:24px}
.faq details{border-top:1px solid var(--hairline);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--hairline)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:56px;font-family:var(--font-display);font-weight:500;font-size:19px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--dawn);font-size:22px}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);padding:0 0 20px;max-width:68ch}
.faq h3{margin:40px 0 8px}
.list{display:grid;gap:0}
.list .row{display:grid;grid-template-columns:minmax(0,1fr) auto;min-width:0;gap:16px;align-items:center;padding:18px 0;border-top:1px solid var(--hairline);text-decoration:none;color:var(--ink)}
.list .row:last-child{border-bottom:1px solid var(--hairline)}
.list .row strong{font-family:var(--font-display);font-weight:500;display:block}
.list .row span.sub{color:var(--ink-2);font-size:16px}
.list .row:hover strong{color:var(--dawn)}
.logos{display:flex;flex-wrap:wrap;gap:10px}
.logos span{font-family:var(--font-mono);font-size:14px;border:1px solid var(--hairline);border-radius:var(--r-pill);padding:8px 14px;color:var(--ink-2);background:var(--white)}
.cta-band{background:var(--ink);color:#F3F1EB;padding:clamp(48px,7vw,80px) 0}
.cta-band h2{color:#fff}.cta-band p{color:#CFCBC2;margin-top:12px;max-width:60ch}
.cta-band .hero-ctas{margin-top:28px}
.cta-band .btn-secondary{border-color:#fff;color:#fff}
.cta-band .btn-secondary:hover{background:#fff;color:var(--ink)}
.dims{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.dims div{border-top:2px solid var(--ink);padding-top:12px}
.dims strong{font-family:var(--font-display);display:block;margin-bottom:4px}
.dims span{color:var(--ink-2);font-size:16px}
@media (max-width:960px){.dims{grid-template-columns:repeat(2,minmax(0,1fr))}}
.review-bar{position:sticky;top:0;z-index:60;background:var(--ink);color:#F3F1EB;font-family:var(--font-mono);font-size:13px;padding:8px 0}
.review-bar .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
.review-bar a{color:#fff}
.review-bar .pill{background:var(--dawn);color:#fff;border-radius:var(--r-pill);padding:2px 10px}
.mono-table{width:100%;border-collapse:collapse;font-size:16px}
.mono-table th,.mono-table td{text-align:left;padding:12px 10px;border-top:1px solid var(--hairline);vertical-align:top}
.mono-table th{font-family:var(--font-mono);font-size:13px;color:var(--ink-3);font-weight:500}
.mono-table td:first-child{font-family:var(--font-display);font-weight:500}
.mono-table a{text-decoration:none}