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footer{background:#0a0a0a;color:#fff;border-top:1px solid #2d2d2d;padding:52px var(--pad) 28px}.footer-inner{width:min(100%,var(--max));margin:auto}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:40px}.footer-logo{width:168px;margin-bottom:18px}footer h4{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:#777;margin:0 0 18px}footer a{display:block;color:#cfcfcb;font-size:12px;margin:9px 0}.footer-bottom{border-top:1px solid #343434;margin-top:44px;padding-top:18px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#777}
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}[data-reveal].is-visible{opacity:1;transform:none}@keyframes dash{to{stroke-dashoffset:-180}}@keyframes drift{0%{transform:translate3d(-2%,-2%,0) rotate(-2deg) scale(1)}100%{transform:translate3d(3%,2%,0) rotate(4deg) scale(1.06)}}@keyframes pulse{0%,100%{box-shadow:0 0 0 8px rgba(0,0,0,.035)}50%{box-shadow:0 0 0 18px rgba(0,0,0,.015)}}@keyframes spinSlow{to{transform:translate(-50%,-50%) rotate(360deg)}}
.mobile-menu{display:none}@media(max-width:1380px) and (min-width:1081px){.mega-links.solutions-links{grid-template-columns:repeat(3,1fr)}.mega-link{min-height:126px}.nav-item,.nav-cta{padding-left:16px;padding-right:16px}.brand-logo{width:132px}}@media(max-width:1080px){.nav-grid{grid-template-columns:1fr auto}.nav-item,.nav-cta{display:none}.brand-cell{border-right:0}.mobile-toggle{display:block}.mobile-menu{position:fixed;z-index:980;top:var(--nav-h);left:0;right:0;bottom:0;background:#f7f7f7;padding:28px var(--pad);transform:translateY(-110%);transition:transform .3s ease;display:block;overflow:auto;border-top:1px solid #111}body.menu-open .mobile-menu{transform:none}.mobile-menu a{display:flex;justify-content:space-between;padding:20px 0;border-bottom:1px solid #111;font-size:26px;letter-spacing:-.03em}.hero .section-inner,.split,.products .section-inner,.access .section-inner{grid-template-columns:1fr}.hero-visual{height:54vh;min-height:440px}.problem-head,.memory-head,.proof-copy,.knowledge-head{grid-template-columns:1fr}.problem-grid,.stats{grid-template-columns:1fr}.problem-card,.stat{min-height:230px}.lifecycle{grid-template-columns:repeat(2,1fr)}.memory-band{grid-template-columns:1fr;gap:14px}.memory-band span{justify-self:start}.knowledge-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:720px){html{scroll-snap-type:none}.chapter{min-height:auto}.section-inner{padding-top:calc(var(--nav-h) + 50px)}.hero .section-inner{min-height:100svh;padding-bottom:54px}.hero-visual{min-height:380px}.problem-grid{grid-template-columns:1fr}.product-index a{grid-template-columns:48px 1fr auto}.scope-graphic,.penelope-stage,.agent-graph{min-height:470px}.input-card:nth-of-type(2),.input-card:nth-of-type(4){left:auto;right:6%}.scope-ring{width:300px;height:300px}.scope-core{width:140px;height:140px}.scope-output{display:none}.agent-node{width:126px;min-height:92px}.agent-core{width:150px;height:150px}.lifecycle{grid-template-columns:1fr 1fr}.life-stage{min-height:140px}.stats{grid-template-columns:1fr}.signup-row{display:grid;grid-template-columns:1fr}.signup button{border-left:0;border-top:1px solid #111;padding:18px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}html{scroll-snap-type:none}}


/* ===== V5 UX / IA refinement ===== */
.page-progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:#111111;transform:scaleX(0);transform-origin:left center;z-index:1001;pointer-events:none}
.nav-item.is-current{box-shadow:inset 0 -3px #111;background:rgba(0,0,0,.035)}
.nav-item.is-current:hover{box-shadow:none}
.anchor-proxy{position:absolute;top:0;left:0;width:1px;height:1px;pointer-events:none}

.solutions-v2{background:linear-gradient(180deg,#f7f7f7 0%,#eeeeee 100%)}
.solutions-v2 .section-inner{min-height:100svh;display:flex;flex-direction:column;justify-content:center}
.solutions-head,.knowledge-head,.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:end;margin-bottom:42px}
.solution-explorer{border-top:1px solid #111}
.solution-tabs{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid #111}
.solution-tab{appearance:none;border:0;border-right:1px solid #bcbcb7;background:transparent;text-align:left;padding:18px 16px 20px;min-height:84px;font-size:12px;line-height:1.25;cursor:pointer;color:#5f5f5b;position:relative;transition:background .2s ease,color .2s ease}
.solution-tab:last-child{border-right:0}.solution-tab span{display:block;font-size:9px;letter-spacing:.16em;color:#999;margin-bottom:9px}.solution-tab:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:#111111;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.solution-tab:hover{background:rgba(255,255,255,.5);color:#111}.solution-tab.is-active{color:#111;background:#ffffff}.solution-tab.is-active:after{transform:scaleX(1)}
.solution-stage{display:grid;grid-template-columns:.82fr 1.18fr;min-height:330px;background:rgba(255,255,255,.52);transition:opacity .16s ease,transform .16s ease}.solution-stage.is-changing{opacity:.15;transform:translateY(5px)}
.solution-copy{padding:34px 34px 38px;border-right:1px solid #bcbcb7}.solution-copy h3{font-size:clamp(30px,3.2vw,52px);line-height:1;letter-spacing:-.05em;font-weight:500;margin:54px 0 18px}.solution-copy p{font-size:15px;line-height:1.6;color:#666;max-width:480px;margin:0 0 28px}.solution-offer{display:grid;align-content:stretch}.offer-row{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;padding:22px 28px;border-bottom:1px solid #c9c9c4}.offer-row:last-child{border-bottom:0}.offer-row span{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:#858581}.offer-row strong{font-size:17px;line-height:1.35;font-weight:500;letter-spacing:-.02em}.offer-row small{display:block;color:#777;font-size:12px;font-weight:400;margin-top:5px;line-height:1.45}.solution-controls{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #111;padding:10px 0 0}.solution-dots{display:flex;gap:7px}.solution-dots span{width:22px;height:2px;background:#bbbbbb;transition:background .2s ease,width .2s ease}.solution-dots span.is-active{width:44px;background:#111111}.solution-arrows{display:flex}.solution-arrows button{width:48px;height:42px;border:0;border-left:1px solid #111;background:transparent;cursor:pointer;font-size:17px}.solution-arrows button:hover{background:#111111;color:#fff}.credibility-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #111;margin-top:34px}.credibility-strip>div{padding:16px 0 0;display:flex;align-items:baseline;gap:12px}.credibility-strip strong{font-size:23px;font-weight:500;letter-spacing:-.04em}.credibility-strip span{font-size:11px;color:#777}

.knowledge-v2{background:#0b0b0b;color:#fff;border-color:#292929}.knowledge-v2 .section-inner{min-height:100svh;display:flex;flex-direction:column;justify-content:center}.knowledge-v2 .eyebrow,.knowledge-v2 .mono{color:#8e8e8a}.knowledge-v2 .lead{color:#bdbdb8}.knowledge-switch{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #4a4a47;border-bottom:1px solid #4a4a47;margin-bottom:28px}.knowledge-tab{border:0;border-right:1px solid #4a4a47;background:transparent;color:#8f8f8a;text-align:left;padding:17px 20px;cursor:pointer;font-size:16px;position:relative}.knowledge-tab:last-child{border-right:0}.knowledge-tab span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.15em;margin-top:5px;color:#62625f}.knowledge-tab:after{content:"";position:absolute;left:0;bottom:-1px;height:3px;width:100%;background:#ffffff;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.knowledge-tab.is-active{color:#fff;background:#151515}.knowledge-tab.is-active:after{transform:scaleX(1)}.knowledge-view{display:none}.knowledge-view.is-active{display:block;animation:knowledgeIn .26s ease both}.knowledge-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:4vw;align-items:end;margin-bottom:26px}.knowledge-intro h3{font-size:clamp(28px,3vw,50px);line-height:1.02;letter-spacing:-.045em;font-weight:500;margin:0}.knowledge-intro p{font-size:14px;line-height:1.6;color:#999;margin:0;max-width:620px}.knowledge-columns{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #444;border-left:1px solid #444}.knowledge-lane{border-right:1px solid #444}.lane-label{font-size:9px;letter-spacing:.17em;text-transform:uppercase;color:#777;padding:16px 18px;border-bottom:1px solid #444}.knowledge-row{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;min-height:58px;padding:11px 16px;border-bottom:1px solid #333;transition:background .18s ease}.knowledge-row:hover{background:#151515}.knowledge-row span{font-size:9px;color:#777}.knowledge-row strong{font-size:14px;font-weight:450;letter-spacing:-.015em}.knowledge-row em{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#696965;font-style:normal}.research-grid-v2{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #444;border-left:1px solid #444}.research-track{border-right:1px solid #444}.research-track ol{list-style:none;margin:0;padding:0}.research-track li{display:grid;grid-template-columns:38px 1fr auto;gap:14px;align-items:center;padding:12px 16px;border-bottom:1px solid #333;font-size:14px}.research-track li span{font-size:9px;color:#777}.research-track li em{font-style:normal;color:#777;font-size:11px}.research-card-v2{padding:13px 16px;border-bottom:1px solid #333;display:grid;grid-template-columns:80px 180px 1fr;gap:16px;align-items:center}.research-card-v2 span{font-size:9px;letter-spacing:.14em;color:#777}.research-card-v2 strong{font-size:14px;font-weight:500}.research-card-v2 p{font-size:11px;line-height:1.45;color:#777;margin:0}

.about-v2{background:linear-gradient(180deg,#fbfbfb,#efefef)}.about-v2 .section-inner{min-height:100svh;display:flex;flex-direction:column;justify-content:center}.about-story .lead{margin-top:0}.about-story .copy{margin-top:22px}.about-statement{border-top:1px solid #111;border-bottom:1px solid #111;padding:26px 0;display:flex;justify-content:space-between;gap:30px;font-size:clamp(24px,3vw,48px);letter-spacing:-.04em;line-height:1}.about-statement span{color:#8a8a86}.about-statement strong{font-weight:500}.about-metrics{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px}.about-metrics>div{border-right:1px solid #bdbdb8;padding-right:24px;margin-right:24px}.about-metrics>div:last-child{border-right:0}.about-metrics strong{display:block;font-size:clamp(38px,4vw,66px);letter-spacing:-.06em;font-weight:500}.about-metrics span{font-size:11px;color:#777;text-transform:uppercase;letter-spacing:.12em}

@keyframes knowledgeIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:1180px){.solution-tabs{grid-template-columns:repeat(3,1fr)}.solution-tab:nth-child(3){border-right:0}.solution-tab:nth-child(n+4){border-top:1px solid #bcbcb7}.solution-stage{grid-template-columns:1fr}.solution-copy{border-right:0;border-bottom:1px solid #bcbcb7}.solutions-head,.knowledge-head,.about-grid{gap:5vw}.knowledge-intro{grid-template-columns:1fr}.research-card-v2{grid-template-columns:72px 140px 1fr}}
@media(max-width:900px){.solutions-head,.knowledge-head,.about-grid{grid-template-columns:1fr}.solution-tabs{display:flex;overflow-x:auto;scroll-snap-type:x proximity}.solution-tab{min-width:190px;scroll-snap-align:start}.solution-offer{display:block}.offer-row{grid-template-columns:1fr;gap:7px}.credibility-strip,.about-metrics{grid-template-columns:1fr}.credibility-strip>div,.about-metrics>div{border-right:0;border-bottom:1px solid #c7c7c2;padding:13px 0;margin:0}.knowledge-switch{grid-template-columns:1fr}.knowledge-tab{border-right:0;border-bottom:1px solid #333}.knowledge-columns,.research-grid-v2{grid-template-columns:1fr}.knowledge-row{grid-template-columns:34px 1fr}.knowledge-row em{display:none}.research-card-v2{grid-template-columns:1fr}.about-statement{display:block}.about-statement strong{display:block;margin-top:8px}.page-progress{display:none}}


/* Prototype font loading. Production: replace local() with a licensed, self-hosted Neue Montreal WOFF2. */
@font-face{font-family:"Neue Montreal";src:local("Neue Montreal"),local("PP Neue Montreal");font-style:normal;font-weight:400 700;font-display:swap}


/* ===== V7 scroll, readability, accessibility and concrete product demos ===== */
:root{--mid:#5f5f5f;--muted:#666666}
html{scroll-padding-top:0}
body{user-select:text;-webkit-user-select:text}
::selection{background:#171717;color:#fff}
.chapter{min-height:auto;scroll-margin-top:0;scroll-snap-stop:normal;overflow:visible}
.chapter:not(.hero) .section-inner{min-height:calc(100svh - var(--nav-h));padding-top:calc(var(--nav-h) + clamp(52px,5vw,82px));padding-bottom:clamp(60px,6vw,96px)}
.split{min-height:auto}
footer{scroll-snap-align:start}
@media(min-width:980px){html{scroll-snap-type:y proximity}}

/* Weight and tracking tuned for the real font rather than fallback-bold rounding. */
.display,.product-title,.problem-card h3,.mega-link strong{font-weight:500}
.display{font-size:clamp(44px,4.9vw,82px);line-height:.98;letter-spacing:-.048em}
.display.medium{font-size:clamp(36px,3.6vw,60px);line-height:1;letter-spacing:-.043em}
.hero .display{font-size:clamp(48px,5.15vw,86px);line-height:.97;letter-spacing:-.05em;max-width:820px}
.product-title{font-size:clamp(46px,5.4vw,88px);line-height:.93;letter-spacing:-.052em;max-width:760px}
.product-copy{font-size:clamp(18px,1.55vw,25px);line-height:1.45}
.lead{font-size:clamp(18px,1.45vw,24px);line-height:1.5}
.copy{color:#5f5f5b}

/* No sub-11px presentation UI text on desktop. */
.eyebrow,.mono,.product-kicker,.problem-no,.hero-caption,.chapter-index,.hero-bottom,.spec-line span,.offer-row span,.solution-tab span,.mega-title,.ui-kicker,.demo-label{font-size:11px;color:#666662}
.mega-link span,.solution-copy p,.offer-row small,.form-note,.track-record-note{color:#5f5f5b}

/* Focus visibility. */
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #111;outline-offset:3px}
.knowledge-v2 a:focus-visible,.knowledge-v2 button:focus-visible,.penelope a:focus-visible{outline-color:#fff}

/* Primary conversion action. */
.button-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:#1a1a1a;color:#fff;border:1px solid #1a1a1a;border-radius:999px;font-size:14px;transition:background .18s ease,color .18s ease}
.button-primary:hover{background:#343434;color:#fff}

/* Mega menu remains physically attached to the nav. */
.mega{top:calc(var(--nav-h) - 1px)}
.mega-inner{padding-top:0;padding-bottom:0;align-items:stretch}
.mega-title{padding:20px 0}
.mega-links{border-top:0}
.mega-link{min-height:132px}

/* Concrete product examples. */
.scope-demo,.penelope-demo,.agent-flow-demo{border:1px solid #111;background:#fbfbfb;position:relative}
.demo-label{padding:14px 16px;border-bottom:1px solid #c7c7c2;letter-spacing:.14em;text-transform:uppercase}
.scope-demo-grid{display:grid;grid-template-columns:1fr 110px 1.15fr;min-height:520px}
.scope-source,.scope-result{padding:34px;display:flex;flex-direction:column;justify-content:center}
.scope-source{border-right:1px solid #c7c7c2}.scope-result{border-left:1px solid #c7c7c2;background:#ffffff}
.scope-source h3,.scope-result h3,.penelope-detail h3{font-size:clamp(24px,2vw,34px);line-height:1.05;letter-spacing:-.035em;font-weight:500;margin:12px 0 24px}
.doc-lines{display:grid;gap:12px;margin:6px 0 28px}.doc-lines i{display:block;height:1px;background:#999999}.doc-lines i:nth-child(2){width:80%}.doc-lines i:nth-child(3){width:92%}.doc-lines i:nth-child(4){width:70%}.doc-lines i:nth-child(5){width:84%}
.source-tags{display:flex;flex-wrap:wrap;gap:6px}.source-tags span{border:1px solid #bbb;padding:7px 9px;font-size:11px;color:#555}
.scope-transform{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;font-size:11px;letter-spacing:.14em;color:#666}.scope-transform b{font-size:30px;font-weight:400;color:#111}
.scope-result dl{margin:0}.scope-result dl div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-top:1px solid #d4d4cf}.scope-result dt{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#666}.scope-result dd{margin:0;font-size:14px;line-height:1.45}

.penelope-demo{background:#111111;color:#fff;border-color:#3a3a3a}.penelope-demo .demo-label{border-color:#363636;color:#aaa}
.compare{position:relative;height:430px;overflow:hidden;background:linear-gradient(135deg,#252525,#080808)}
.compare-layer{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:16px;letter-spacing:.16em;text-align:center}
.compare-before{background:radial-gradient(circle at 45% 40%,#767676 0 10%,#3b3b3b 34%,#171717 75%)}
.compare-after{background:radial-gradient(circle at 45% 40%,#dadada 0 8%,#777777 29%,#1c1c1c 73%);clip-path:inset(0 0 0 50%)}
.compare-line{position:absolute;top:0;bottom:0;left:50%;width:1px;background:#ffffff;pointer-events:none}.compare-line i{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#ffffff;color:#111;font-style:normal}
.compare input[type="range"]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize}
.penelope-detail{display:grid;grid-template-columns:180px 1fr;gap:26px;padding:22px;border-top:1px solid #363636;align-items:center}.detail-crop{aspect-ratio:1;border:1px solid #555;display:grid;place-items:center;text-align:center;font-size:11px;letter-spacing:.12em;color:#aaa;background:repeating-linear-gradient(45deg,#151515,#151515 8px,#1d1d1d 8px,#1d1d1d 16px)}.penelope-detail h3{color:#fff;margin-bottom:8px}.penelope-detail p{margin:0;color:#aaa;font-size:13px;line-height:1.5}

.agent-flow-demo{padding-bottom:0}.agent-flow-list{list-style:none;margin:0;padding:0}.agent-flow-list li{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:23px 26px;border-bottom:1px solid #d0d0cb;position:relative}.agent-flow-list li:last-child{border-bottom:0}.agent-flow-list li>span{font-size:11px;letter-spacing:.14em;color:#666}.agent-flow-list b{display:block;font-size:17px;font-weight:500;margin-bottom:5px}.agent-flow-list small{font-size:12px;line-height:1.45;color:#666}.agent-flow-list li:not(:last-child):after{content:"↓";position:absolute;left:49px;bottom:-12px;background:#fbfbfb;padding:0 5px;font-size:12px;color:#666}

/* Solutions and editorial sections can grow naturally now that chapters are not clipped. */
.solutions-v2 .section-inner,.knowledge-v2 .section-inner,.about-v2 .section-inner{justify-content:flex-start}
.solution-stage{min-height:0}
.credibility-strip{display:none!important}
.track-record-note{margin:18px 0 10px;font-size:12px;letter-spacing:.04em}
.about-metrics span{font-size:11px!important;color:#5f5f5b!important}

/* Tabs: better keyboard focus and state. */
.solution-tab[aria-selected="true"],.knowledge-tab[aria-selected="true"]{font-weight:500}
.solution-tab:focus-visible,.knowledge-tab:focus-visible{outline-offset:-3px}

/* Consent / form. */
.consent-row{display:flex;align-items:flex-start;gap:10px;margin-top:14px;max-width:760px;color:#555;font-size:12px;line-height:1.45}.consent-row input{margin-top:3px;flex:0 0 auto}
.footer-placeholder{display:block;font-size:13px;color:#888;margin:9px 0}

@media(max-width:1080px){
  .scope-demo-grid{grid-template-columns:1fr}.scope-source,.scope-result{border:0}.scope-source{border-bottom:1px solid #c7c7c2}.scope-result{border-top:1px solid #c7c7c2}.scope-transform{padding:20px;flex-direction:row}.scope-transform b{transform:rotate(90deg)}
  .chapter:not(.hero) .section-inner{min-height:auto}
}
@media(max-width:720px){
  html{scroll-snap-type:none}
  .display{font-size:clamp(38px,11vw,58px)}.display.medium{font-size:clamp(34px,9vw,50px)}.product-title{font-size:clamp(40px,12vw,62px)}
  .penelope-detail{grid-template-columns:1fr}.detail-crop{max-width:180px}.compare{height:360px}
  .agent-flow-list li{grid-template-columns:42px 1fr;padding:20px 18px}.agent-flow-list li:not(:last-child):after{left:27px}
}