:root{--paper:#f3f1e9;--ink:#191d1c;--accent-soft:#dce8f5;--accent:#315d8a;--accent-bright:#8fb8e8;--surface:#e9eef3;--muted:#59605a;--line:#cccfc4;--white:#fffef8;--max:1240px;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}a{color:inherit;text-underline-offset:5px}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}::selection{background:var(--accent-soft);color:var(--ink)}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}p{line-height:1.65}p+p{margin-top:1em}h1,h2,h3{font-weight:600;letter-spacing:-.055em;line-height:1.07;text-wrap:balance}h1{font-size:clamp(3rem,7vw,6.5rem)}h2{font-size:clamp(2.3rem,4.3vw,4rem)}h3{font-size:1.5rem;letter-spacing:-.035em;line-height:1.2}ul,ol{line-height:1.65;padding-left:1.2em}.container{max-width:var(--max);width:calc(100% - 96px);margin-inline:auto}.skip-link{position:absolute;z-index:1000;left:20px;top:-100px;padding:14px;background:var(--accent-soft)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:30;background:rgba(243,241,233,.97);border-bottom:1px solid var(--line)}.nav-shell{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}.wordmark{font-size:24px;font-weight:750;letter-spacing:.13em;text-decoration:none;display:inline-flex;align-items:center;gap:10px;white-space:nowrap}.brand-mark{height:29px;width:24px;display:block;flex-shrink:0;color:var(--ink)}#site-nav{display:flex;align-items:center;gap:30px}#site-nav a{text-decoration:none;font-size:14px;font-weight:500;padding:8px 0}#site-nav a[aria-current]{border-bottom:2px solid var(--ink)}#site-nav a:hover{color:var(--accent)}#site-nav .nav-contact{padding:13px 19px;background:var(--ink);color:var(--paper);border:1px solid var(--ink)}.menu-toggle{display:none}.section{padding:104px 0;border-bottom:1px solid var(--line)}.page-hero{padding-top:98px;padding-bottom:100px}.page-hero .display{max-width:1050px}.page-hero .lead{margin-top:32px;max-width:790px}.eyebrow,.label{font-size:11px;font-weight:650;text-transform:uppercase;letter-spacing:.15em;line-height:1.5}.eyebrow{margin-bottom:28px;display:flex;align-items:center;gap:12px}.eyebrow::before{content:"";width:7px;height:7px;background:currentColor;display:inline-block;flex-shrink:0}.lead{font-size:clamp(1.15rem,1.85vw,1.5rem);line-height:1.55;letter-spacing:-.025em}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;gap:24px;padding:16px 23px;min-height:54px;border:1px solid var(--ink);border-radius:0;text-decoration:none;background:transparent;color:inherit;font-size:14px;font-weight:600;line-height:1.3}.button.primary{background:var(--ink);color:var(--paper)}.button.secondary{background:transparent}.button:hover{background:var(--accent-soft);color:var(--ink);border-color:var(--ink)}.text-link{font-weight:600;font-size:14px;display:inline-block;line-height:1.5}.text-link:hover{text-decoration-thickness:2px}.section-heading{max-width:850px;margin-bottom:48px}.section-heading h2{margin-bottom:25px}.section-heading .lead{max-width:760px}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.split .section-heading{margin-bottom:0}.split>div>h3{margin:16px 0}.split>div>.text-link{margin-top:26px}.grid-2,.grid-3{display:grid;gap:36px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{padding:30px 0 0;border-top:1px solid var(--line);min-width:0}.card h3{margin:16px 0}.card p{font-size:15px}.card .text-link{margin-top:24px}.card .number{font-size:32px;letter-spacing:-.06em;margin-bottom:28px}.dark{background:var(--ink);color:var(--paper);--line:#454b46;--muted:#b7c4d1}.dark .button{border-color:var(--paper)}.dark .button.primary{background:var(--accent-bright);color:var(--ink);border-color:var(--accent-bright)}.dark .button:hover{background:var(--paper);color:var(--ink)}.accent{background:var(--accent-soft);--line:#b8cbe0}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.6}.list{padding-left:20px}.list li+li{margin-top:12px}.callout{margin-top:40px;border-left:3px solid currentColor;padding:4px 0 4px 28px;max-width:940px}.callout h3{margin-bottom:14px}.callout .label{margin-bottom:12px}.callout .text-link{margin-top:18px}.quote{font-size:clamp(1.7rem,3vw,2.8rem);line-height:1.25;letter-spacing:-.04em}.metric{border-top:1px solid var(--line);padding:30px 0}.metric-value{font-size:clamp(3.5rem,6.5vw,6.6rem);line-height:1.05;letter-spacing:-.075em;font-weight:600}.metric-label{font-size:14px;margin-top:15px;line-height:1.5}.steps{display:grid;gap:0}.step{border-top:1px solid var(--line);padding:30px 0;display:grid;grid-template-columns:64px 1fr;gap:20px}.step h3{margin-bottom:12px}.step .number{font-size:25px}.table-wrap{width:100%;overflow-x:auto;margin:32px 0}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th,td{border-bottom:1px solid var(--line);padding:18px 20px 18px 0;vertical-align:top}th{font-weight:600}caption{text-align:left;margin-bottom:18px;font-size:14px}.faq{border-top:1px solid var(--line);padding:25px 0}.faq summary{cursor:pointer;font-size:20px;letter-spacing:-.025em}.faq p{max-width:850px;margin-top:18px}.site-footer{background:var(--ink);color:var(--paper);padding:62px 0 24px}.footer-top{display:flex;justify-content:space-between;align-items:start;gap:36px;padding-bottom:70px}.footer-top p{font-size:25px;line-height:1.25;letter-spacing:-.04em}.site-footer .brand-mark{color:var(--accent-bright)}.footer-bottom{display:flex;justify-content:space-between;gap:25px;border-top:1px solid #454b46;padding-top:24px;font-size:11px;color:#b7c4d1}.footer-bottom>div{display:flex;flex-wrap:wrap;gap:25px}.footer-bottom a{text-decoration:none}.home-hero{padding:88px 0 56px}.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:52px}.hero-copy h1{font-size:clamp(3.7rem,6.5vw,6.8rem);max-width:800px}.hero-copy .lead{margin-top:28px;max-width:500px}.hero-visual{position:relative;background:var(--ink);aspect-ratio:1/1.11;display:flex;flex-direction:column;overflow:hidden;color:var(--paper)}.visual-label{padding:26px 26px 0;display:flex;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:.1em;text-transform:uppercase}.visual-label .signal{display:inline-flex;align-items:center;gap:7px}.signal::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-bright)}.hero-visual canvas{display:block;flex:1;width:100%;min-height:0}.visual-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 26px 22px;font-size:11px}.visual-controls button{background:none;color:var(--paper);border:1px solid #59605a;padding:9px 12px;font-size:11px}.visual-controls button:hover{background:var(--accent-soft);color:var(--ink)}.hero-note{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.big-statement{font-size:clamp(2.5rem,4.5vw,4.5rem);line-height:1.12;letter-spacing:-.055em;max-width:1150px}.big-statement span{color:var(--muted)}.evidence-bars{padding:34px;background:var(--surface)}.bar-row{margin-top:24px}.bar-row:first-child{margin-top:0}.bar-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:12px}.bar-track{height:15px;background:#d1dce6}.bar-fill{display:block;height:100%;background:var(--ink)}.bar-fill.selected{background:var(--accent)}.evidence-bars .small{margin-top:28px}.proof-footer{margin-top:35px;display:flex;gap:25px;flex-wrap:wrap}.architecture-flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:44px}.architecture-flow>div{padding:32px 24px;border-right:1px solid var(--line)}.architecture-flow>div:first-child{padding-left:0}.architecture-flow>div:last-child{border-right:0}.architecture-flow h3{font-size:20px;margin:18px 0 12px}.architecture-flow p{font-size:14px}.code-block{background:var(--ink);color:var(--paper);padding:30px;overflow:auto;font-size:14px;line-height:1.65;tab-size:2;max-width:100%}.code-block .comment{color:#aebdcc}.resource-row{display:flex;justify-content:space-between;align-items:center;gap:32px;border-top:1px solid var(--line);padding:24px 0;text-decoration:none}.resource-row:hover{background:var(--surface)}.resource-row strong{font-size:20px;letter-spacing:-.035em}.resource-row span{font-size:13px;max-width:50%}.founder-photo{width:100%;max-width:380px;aspect-ratio:1/1;object-fit:cover;filter:grayscale(1);display:block}.founder-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;align-items:center}.founder-grid h2{margin-bottom:28px}.chapter-list{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.chapter-list button{width:100%;text-align:left;border:1px solid var(--line);padding:15px;background:none;color:inherit}.chapter-list button:hover{background:var(--accent-soft);color:var(--ink)}button[data-t]{padding:14px 18px;background:transparent;border:1px solid var(--line);color:inherit;font-size:13px;line-height:1.5}button[data-t]:hover{background:var(--accent-soft);color:var(--ink)}.deck-page{background:#e4e8ed}.deck-tools{max-width:1200px;margin:28px auto;padding:0 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}.deck-tools .actions{margin:0}.deck-slide{max-width:1200px;min-height:650px;padding:64px;background:var(--paper);margin:28px auto;border:1px solid var(--line);display:flex;flex-direction:column;gap:24px}.deck-slide .eyebrow{margin:0}.deck-slide h1{font-size:clamp(2.7rem,4.8vw,4.8rem);max-width:950px}.deck-slide h2{font-size:clamp(2.4rem,4vw,4rem);max-width:960px}.deck-slide .lead{font-size:21px;max-width:960px}.deck-slide .callout{margin-top:0}.deck-slide .grid-3{margin-top:12px}.deck-slide .card{padding-top:20px}.deck-slide .small:last-child{margin-top:auto}.deck-slide .metric{padding:22px 0}.deck-slide .metric-value{font-size:72px}.deck-slide .split{gap:50px}.deck-slide .split h3{margin-top:20px}.deck-slide .split p+p{margin-top:14px}
@media(min-width:1500px){.hero-copy h1{font-size:102px}}
@media(max-width:1050px){.container{width:calc(100% - 56px)}#site-nav{gap:20px}.hero-grid{gap:30px}.hero-copy h1{font-size:clamp(3.5rem,7.3vw,5rem)}.split{gap:42px}.section{padding:80px 0}.grid-3{gap:24px}.deck-slide{margin:24px;min-height:600px;padding:44px}.deck-slide .lead{font-size:19px}}
@media(max-width:760px){.container{width:calc(100% - 40px)}.nav-shell{min-height:74px}.wordmark{font-size:21px}.menu-toggle{display:flex;gap:18px;align-items:center;padding:10px 0;background:none;border:0;color:var(--ink);font-size:14px}.menu-toggle span{font-size:23px}#site-nav{position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 20px 24px}#site-nav.is-open{display:flex}#site-nav a{padding:15px 0}#site-nav a[aria-current]{border-bottom:0;font-weight:750}#site-nav .nav-contact{margin-top:12px;text-align:center}.hero-grid,.split,.founder-grid{grid-template-columns:1fr;gap:36px}.home-hero{padding:50px 0 32px}.hero-copy h1{font-size:clamp(3.5rem,11vw,5.3rem)}.hero-copy .lead{font-size:21px;max-width:480px}.hero-visual{aspect-ratio:1.3/1;max-height:440px}.hero-note{flex-direction:column;gap:7px}.section{padding:64px 0}.page-hero{padding-top:56px}.display{font-size:clamp(2.8rem,10vw,4.7rem)}.eyebrow{margin-bottom:24px}.page-hero .lead{margin-top:24px}.grid-3{grid-template-columns:1fr;gap:32px}.grid-2{gap:24px}.section-heading{margin-bottom:34px}.split .section-heading{margin-bottom:0}.footer-top{flex-direction:column;gap:30px;padding-bottom:42px}.footer-bottom{flex-direction:column}.footer-bottom>div{gap:20px}.architecture-flow{grid-template-columns:1fr 1fr}.architecture-flow>div{padding:24px!important;border-bottom:1px solid var(--line)}.architecture-flow>div:nth-child(even){border-right:0}.architecture-flow>div:nth-child(n+3){border-bottom:0}.founder-photo{max-width:260px}.big-statement{font-size:2.6rem}.deck-tools{padding:0 20px;flex-direction:column;align-items:start}.deck-slide{padding:28px;margin:20px;gap:22px;min-height:0}.deck-slide h1{font-size:2.9rem}.deck-slide h2{font-size:2.5rem}.deck-slide .split{grid-template-columns:1fr}.deck-slide .metric-value{font-size:54px}.deck-slide .lead{font-size:19px}.deck-slide .small:last-child{margin-top:5px}.chapter-list{grid-template-columns:1fr}.callout{padding-left:20px}.resource-row{align-items:start;flex-direction:column;gap:8px}.resource-row span{max-width:100%}}
@media(max-width:420px){.actions{gap:12px}.actions .button{width:100%}.grid-2{grid-template-columns:1fr}.architecture-flow{grid-template-columns:1fr}.architecture-flow>div{border-right:0;border-bottom:1px solid var(--line)!important}.architecture-flow>div:last-child{border-bottom:0!important}.visual-controls{padding-inline:18px}.hero-copy h1{font-size:3.35rem}.deck-tools .actions{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{@page{size:A4 landscape;margin:0}.site-header,.site-footer,.deck-tools,.skip-link{display:none!important}.deck-page{background:white}.deck-slide{width:297mm;height:209mm;min-height:0;max-width:none;margin:0;padding:17mm;border:0;break-after:page;gap:5mm;overflow:hidden;print-color-adjust:exact;-webkit-print-color-adjust:exact}.deck-slide:last-child{break-after:auto}.deck-slide h1{font-size:42pt}.deck-slide h2{font-size:34pt}.deck-slide .lead{font-size:16pt}.deck-slide p,.deck-slide .card p{font-size:11pt}.deck-slide .small{font-size:8pt}.deck-slide .grid-3{grid-template-columns:repeat(3,1fr)}.deck-slide .grid-2{grid-template-columns:1fr 1fr}.deck-slide .split{grid-template-columns:1fr 1fr}.deck-slide h3{font-size:17pt}.deck-slide .eyebrow{font-size:8pt}.deck-slide .metric-value{font-size:48pt}}

.step>.number{grid-row:1 / span 2}.step>h3,.step>p:not(.number){grid-column:2}.step>p:not(.number){margin-top:0}.grid-3+.small,.actions+.small{margin-top:26px}.split>.grid-2 .metric-value{font-size:clamp(2.8rem,5.5vw,5.5rem)}

.split>*,.hero-grid>*,.founder-grid>*{min-width:0}

.wordmark-text{display:flex;flex-direction:column;gap:4px;line-height:1}.wordmark-text small{font-size:9px;font-weight:600;letter-spacing:.47em;line-height:1.2}

/* Research library: the same editorial grid as the company pages. */
[hidden]{display:none!important}.research-intro{margin-top:42px}.research-intro .lead{margin-top:0}.library-controls{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:20px}.library-filters{display:flex;flex-wrap:wrap;gap:8px}.library-filters button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:12px 16px;font-size:13px;min-height:44px}.library-filters button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.library-filters button:hover{background:var(--accent-soft);color:var(--ink)}.paper-search{display:grid;gap:8px;font-size:11px;font-weight:600;letter-spacing:.04em;min-width:250px}.paper-search input{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:12px 14px;min-height:44px;width:100%;border-radius:0}.paper-search input:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.library-count{margin-bottom:26px}.paper-entry{display:grid;grid-template-columns:180px minmax(0,1fr);gap:45px;padding:36px 0;border-top:1px solid var(--line)}.paper-entry-label{display:flex;flex-direction:column;gap:12px;align-items:start}.paper-entry h3{font-size:clamp(1.4rem,2.3vw,2rem);line-height:1.2;max-width:870px}.paper-entry h3 a{text-decoration:none}.paper-entry h3 a:hover{text-decoration:underline}.paper-entry p{max-width:810px;margin-top:16px;color:var(--muted)}.paper-entry .actions{margin-top:20px;gap:26px}.paper-entry-featured{background:var(--surface);padding:36px 28px;margin-bottom:18px;border:0}.library-empty{padding:30px 0;border-top:1px solid var(--line)}
@media(max-width:1000px){#site-nav{gap:19px}.library-controls{align-items:stretch;flex-direction:column}.paper-search{max-width:450px}.paper-entry{grid-template-columns:145px minmax(0,1fr);gap:28px}}
@media(max-width:760px){.research-intro{margin-top:28px}.paper-entry{grid-template-columns:1fr;gap:18px;padding:28px 0}.paper-entry-label{flex-direction:row;flex-wrap:wrap;gap:14px}.paper-entry-featured{padding:26px 22px}.paper-entry h3{font-size:1.65rem}.paper-search{max-width:none}.library-filters button{flex-grow:1}.library-controls{gap:22px}}

/* Browser demos stay inside the same navigation and visual identity. */
.demo-player{padding-top:40px}.demo-player .actions{margin-top:0;margin-bottom:22px}.demo-embed{display:block;width:100%;height:85vh;height:85svh;max-height:900px;min-height:0;border:1px solid var(--line);background:var(--ink)}.demo-embed:fullscreen{height:100vh;max-height:none;border:0}.demo-player .small{margin-top:18px}.demo-player .lead{margin-bottom:24px}
@media(max-width:940px){.nav-shell{min-height:74px}.menu-toggle{display:flex;gap:18px;align-items:center;padding:10px 0;background:none;border:0;color:var(--ink);font-size:14px}.menu-toggle span{font-size:23px}#site-nav{position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 28px 24px}#site-nav.is-open{display:flex}#site-nav a{padding:15px 0}#site-nav a[aria-current]{border-bottom:0;font-weight:750}#site-nav .nav-contact{margin-top:12px;text-align:center}}
@media(max-width:760px){.demo-player{padding-top:24px}.demo-embed{min-height:680px;max-height:none;height:85svh}#site-nav{padding-inline:20px}}
.demo-shot{margin:32px 0 0}.demo-shot img{display:block;width:100%;border:1px solid var(--line)}.demo-shot figcaption{margin-top:12px}.demo-player-intro{padding-top:54px;padding-bottom:42px}.demo-player-intro h1{font-size:clamp(2.7rem,5vw,4.5rem)}.demo-player-controls{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:20px}.demo-player-controls .actions{margin:0}.demo-player-controls .small{margin:0;max-width:700px}
@media(max-width:760px){.demo-grid{grid-template-columns:1fr}.demo-player-intro{padding-top:36px;padding-bottom:32px}.demo-player-controls{align-items:start;flex-direction:column}}

/* Keep navigation, text and controls usable on touch screens and in landscape. */
h1,h2,h3,p,a,summary{overflow-wrap:anywhere}.paper-search input{font-size:16px}.film-player{margin:32px 0 0}.film-player figcaption{margin-top:12px}
@media(max-width:940px){.menu-toggle{min-width:76px;min-height:44px;justify-content:space-between}#site-nav{max-height:calc(100vh - 74px);max-height:calc(100dvh - 74px);overflow-y:auto;overscroll-behavior:contain;padding-bottom:max(24px,env(safe-area-inset-bottom))}.demo-embed{height:85vh;height:85svh;min-height:0;max-height:none}}
@media(pointer:coarse),(max-width:940px){.visual-controls button{min-width:44px;min-height:44px;font-size:12px}.text-link{display:inline-flex;align-items:center;min-height:44px;padding-block:10px}.footer-bottom a{display:inline-flex;align-items:center;min-height:44px;font-size:12px}.footer-bottom>div{gap:8px 22px}.faq summary{min-height:44px}}
@media screen and (max-width:600px){.grid-2{grid-template-columns:minmax(0,1fr)}.visual-label{flex-wrap:wrap}.visual-controls{flex-wrap:wrap}.deck-slide{padding:24px}.deck-slide h1{font-size:clamp(2.2rem,8.8vw,2.9rem)}.deck-slide h2{font-size:clamp(2rem,8vw,2.5rem)}}