/* Mobile-first TwinTrack portfolio. No remote dependencies. */
:root{color-scheme:light;--ink:#112533;--muted:#526673;--navy:#081522;--cyan:#7addf0;--blue:#126887;--line:#d8e2e7;--wash:#f1f5f6;--violet:#c4b8ff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}button,input{font:inherit}a{color:inherit;text-underline-offset:5px}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #187fba;outline-offset:5px}.dark :focus-visible,.header :focus-visible{outline-color:var(--cyan)}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}p+p{margin-top:16px}h1,h2,h3{font-weight:650;letter-spacing:-.04em;line-height:1.12;text-wrap:balance}h1{font-size:clamp(38px,7.5vw,72px);max-width:980px}h2{font-size:clamp(30px,5vw,45px)}h3{font-size:23px;line-height:1.25}h3+p{margin-top:16px}p{color:var(--muted)}strong{font-weight:650}em{font-style:normal;color:var(--cyan)}code{overflow-wrap:anywhere;font-size:.86em;background:var(--wash);padding:3px 7px;border-radius:4px}li{padding-left:4px}.wrap{width:calc(100% - 40px);max-width:1120px;margin-inline:auto}.section{padding-block:64px}.dark{color:#f5f9fc;background:var(--navy)}.dark p{color:#b7c7d3}.dark .eyebrow{color:var(--cyan)}.dark .caption{color:#b1c4d1}.eyebrow{font-size:11px;line-height:1.55;font-weight:750;letter-spacing:.13em;text-transform:uppercase;margin-bottom:16px;color:var(--blue)}.eyebrow.blue{color:var(--blue)}.lead{font-size:19px;line-height:1.6}.caption{font-size:14px;line-height:1.6}.note,.callout{padding:20px;border-left:3px solid #3994b2;background:var(--wash);margin-top:24px;line-height:1.65}.dark .note,.dark .callout{background:#112533;border-color:var(--cyan)}.text-link{display:inline-flex;align-items:center;gap:12px;min-height:48px;font-weight:600;font-size:15px;text-decoration:none}.text-link:hover{text-decoration:underline}.text-link span{margin-left:auto}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:10px 20px;border-radius:8px;text-decoration:none;font-size:15px;font-weight:650}.primary{background:var(--cyan);color:var(--navy)}.primary:hover{background:#a8edfa}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px}.section-head{margin-bottom:32px}.section-head>p:not(.eyebrow){margin-top:20px;max-width:760px}.section-head>div+p{max-width:380px}.two-column{display:grid;gap:28px}.two-column>div>p:first-of-type{margin-top:0}.two-column h2{margin-bottom:16px}.span-all{grid-column:1/-1}.section-end{display:flex;flex-direction:column;gap:12px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}.dark .section-end{border-color:#2c414f}.section-end p{max-width:670px}.section-end .text-link{flex-shrink:0;align-self:flex-start}.skip-link{position:fixed;left:16px;top:-100px;z-index:50;background:white;color:var(--navy);padding:12px 20px}.skip-link:focus{top:10px}
.header{position:sticky;top:0;z-index:30;background:#081522f7;color:white;border-bottom:1px solid #ffffff15;backdrop-filter:blur(12px)}.header-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;min-height:48px;white-space:nowrap;font-weight:650;letter-spacing:-.02em;font-size:17px}.brand img{width:46px;height:auto;object-fit:contain}.menu-toggle{border:1px solid #465764;border-radius:6px;background:transparent;min-height:44px;padding:0 12px;font-size:13px;display:flex;align-items:center;gap:12px}.header nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--navy);padding:12px 20px 24px;border-bottom:1px solid #344855}.header nav.is-open{display:grid}.header nav a{min-height:48px;display:flex;align-items:center;text-decoration:none;font-size:15px;color:#c5d2db}.header nav a:hover,.header nav a[aria-current]{color:var(--cyan)}
.hero{padding:24px 0 18px;overflow:hidden}.hero-grid{display:grid;gap:22px}.hero .eyebrow{font-size:10px;letter-spacing:.12em;margin-bottom:12px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:6px}.hero h1{font-size:36px;line-height:1.07;letter-spacing:-.045em}.hero-description{font-size:15px;line-height:1.55;margin-top:16px;max-width:520px}.hero .actions{margin-top:19px;gap:6px 16px}.hero .text-link{font-size:12px;gap:5px}.hero .button{font-size:14px;padding-inline:16px;gap:17px}.hero-media{display:grid;grid-template-columns:164px 1fr;gap:25px;align-items:center;max-width:340px;margin-inline:auto;width:100%}.phone{background:#080e18;border:5px solid #293644;border-radius:25px;overflow:hidden;box-shadow:0 18px 48px #020a1426}.phone img{width:100%;height:auto}.hero-phone{width:164px;transform:rotate(-2deg)}.hero-annotations{display:grid;gap:23px}.hero-annotations>div{padding-left:13px;border-left:1px solid #3e6174}.hero-annotations span{display:block;font-size:8px;letter-spacing:.08em;font-weight:700;color:var(--cyan);margin-bottom:6px}.hero-annotations strong{display:block;font-size:13px;line-height:1.45;font-weight:500;letter-spacing:-.01em}.hero-annotations small{display:block;font-size:10px;color:#9bafbf;margin-top:3px}.hero .hero-footnote{font-size:9px;font-weight:650;letter-spacing:.13em;color:#9bb2c3;text-align:center;margin-top:-7px}.section-nav{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding-block:12px}.section-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;font-size:13px;font-weight:650;text-decoration:none;flex:1}.section-nav span{color:var(--blue)}.opening .lead{margin-bottom:18px}
.app-section{background:var(--wash)}.app-showcase{display:grid;gap:24px}.app-switcher{display:grid;grid-template-columns:1fr 1.3fr 1fr;border-bottom:1px solid #bbcbd4;gap:8px}.app-switcher button{min-height:52px;border:0;border-bottom:3px solid transparent;background:transparent;font-weight:600;font-size:14px;padding:10px 4px;white-space:nowrap}.app-switcher button[aria-selected="true"]{border-bottom-color:var(--blue);color:var(--blue)}.app-stage{display:flex;justify-content:center;align-items:center;padding:12px 16px 22px;min-width:0;border-radius:18px;background:linear-gradient(125deg,#e4edf0,#f8fbfc)}.gallery-phone{width:300px;max-width:100%;border-radius:29px}.gallery-phone img{aspect-ratio:1094/2288;object-fit:contain;background:#070c14}.gallery-caption h3{font-size:28px;margin-bottom:16px}.gallery-caption .caption{margin-top:20px}.gallery-caption .text-link{margin-top:16px}.demo-section{padding-block:44px;display:grid;gap:25px}.demo-section h2{font-size:28px;margin-bottom:16px}.demo-empty{border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:18px;align-items:center;background:var(--wash)}.demo-empty strong{font-size:16px}.demo-empty p{font-size:14px;margin-top:6px}.recording-symbol{font-size:35px;color:var(--blue)}.video-frame{aspect-ratio:16/9;background:#081522;border-radius:14px;overflow:hidden;position:relative}.video-frame video{width:100%;height:100%;object-fit:contain}.video-error{position:absolute;inset:0;padding:30px;color:#fff;background:#081522}.demo-shell>.caption{margin-top:12px}
.role-split{display:grid;gap:28px;margin-bottom:32px}.role-split article{padding-top:24px;border-top:2px solid var(--cyan)}.role-split .conversation{border-color:var(--violet)}.violet-text,.dark .conversation>.eyebrow{color:var(--violet)}.flow-mini{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:12px;color:var(--cyan);padding-top:22px}.conversation .flow-mini{color:var(--violet)}.detail{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:24px}.detail+.detail{margin-top:0;border-top:0}.dark .detail{border-color:#334a59}summary{cursor:pointer;min-height:56px;padding:17px 0;font-weight:600;font-size:16px;line-height:1.6}summary::marker{color:var(--blue)}.dark summary::marker{color:var(--cyan)}.summary-meta{display:block;font-size:12px;font-weight:400;color:#b0c3d0;margin-left:18px}.plus{display:none}.detail-body,.detail>.prose,.detail>p{padding:8px 0 25px}.detail>.prose h3{margin-top:20px;font-size:20px}.detail>.prose h3:first-child{margin-top:0}.feature-list{padding-left:22px;color:#c9d6df}.feature-list li{padding-block:5px}.scenario-section{display:grid;gap:36px}.scenario-copy h2{margin-bottom:24px}.scenario-copy .lead{margin-bottom:18px}.scenario-copy .text-link{margin-top:18px}.scenario-showcase{min-width:0}.segmented-control{padding:0;border:0;margin:0 0 18px;display:flex;gap:10px;min-width:0}.segmented-control legend{font-size:12px;font-weight:650;margin-bottom:10px;color:var(--muted)}.segmented-control label{flex:1;position:relative;min-width:0;cursor:pointer}.segmented-control input{position:absolute;width:1px;height:1px;opacity:0}.segmented-control span{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid #bacbd5;border-radius:8px;font-size:14px}.segmented-control input:checked+span{background:var(--ink);color:white;border-color:var(--ink)}.segmented-control input:focus-visible+span{outline:3px solid #187fba;outline-offset:4px}.scenario-image{overflow:hidden;border-radius:18px;background:var(--wash)}.scenario-image img{width:100%;aspect-ratio:1055/1292;object-fit:contain}.scenario-showcase>.caption{margin-top:18px}.research-overview{background:var(--wash)}.research-result{display:grid;gap:24px;margin-top:35px;border-top:1px solid #beccd4;border-bottom:1px solid #beccd4;padding-block:28px}.research-result .eyebrow{font-size:10px}.research-result strong{font-size:30px;color:var(--ink);letter-spacing:-.04em}.research-result h3{font-size:24px}.research-result .text-link{align-self:end}.verification-strip{display:grid}.verification-strip>div{padding:22px 0;border-top:1px solid var(--line)}.big-stat{font-size:48px;font-weight:500;letter-spacing:-.055em;line-height:1.25;display:block;color:inherit;font-variant-numeric:tabular-nums;white-space:nowrap}.big-stat small{font-size:.56em;color:var(--muted)}.stat-label{display:block;font-size:15px;color:var(--muted);margin-top:8px}.verification-caption{font-size:14px;margin-top:18px;max-width:800px}.status-line{display:flex;flex-direction:column;gap:8px;font-size:14px;padding-block:17px;border-bottom:1px solid var(--line)}.status-line>span+span{border-left:2px solid #b58c30;padding-left:12px}.dark .verification-strip>div,.dark .status-line{border-color:#334a59}.dark .big-stat{color:#f2f7fb}.dark .stat-label{color:#b8cbd7}.boundary-points{display:grid;gap:24px}.boundary-points>div{padding-bottom:24px;border-bottom:1px solid #334a59}.boundary-points h3{font-size:23px}.boundary-section .text-link{margin-top:18px}.team-names{list-style:none;padding:0;margin:14px 0 24px}.team-names li{display:flex;flex-direction:column;padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;font-weight:600}.team-names span{font-size:14px;font-weight:400;color:var(--muted);margin-top:4px}.institution-strip{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;margin-top:38px;border-top:1px solid var(--line);padding-top:20px}.institution-strip span{width:100%;font-size:12px;color:var(--muted)}.institution-strip img{width:125px;max-height:90px;object-fit:contain}
.page-hero{padding-block:52px 38px}.page-hero h1+.lead,.page-engineering main>section:first-child h1+.lead{margin-top:25px;max-width:800px}.page-research main>.section.wrap,.page-engineering main>.section.wrap{border-bottom:1px solid var(--line)}.jump-links{display:flex;flex-wrap:wrap;gap:4px 24px;margin-top:25px}.jump-links a{min-height:48px;display:inline-flex;align-items:center;font-size:14px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--line)}.evidence-row{border-top:1px solid var(--line)}.evidence-row:last-of-type{border-bottom:1px solid var(--line)}.evidence-row summary{list-style:none;display:grid;grid-template-columns:1fr 22px;gap:6px 10px;padding-block:20px}.evidence-row summary::-webkit-details-marker{display:none}.evidence-row summary:after{content:"+";font-size:23px;font-weight:400;grid-column:2;grid-row:1/3;align-self:center;color:var(--blue);text-align:center}.evidence-row[open] summary:after{content:"−"}.row-title{font-size:18px}.rating{grid-column:1;font-size:13px;font-weight:450;color:var(--muted)}.row-body{padding:0 0 24px;max-width:860px}.row-body .text-link{margin-top:12px}.comparison-panel>p:first-child{color:#fff}.comparison-panel>div{display:grid;gap:16px;margin-block:28px}.metric-pair{border:1px solid #365163;padding:24px;border-radius:12px;background:#102332}.metric-pair h3{font-size:21px;letter-spacing:-.025em}.metric-pair h3+.caption{margin-top:8px}.metric-pair dl{margin:25px 0;display:grid;gap:22px}.metric-pair dt{font-size:13px;color:#b6cad8}.metric-pair dd{margin:4px 0 0;font-size:33px;font-variant-numeric:tabular-nums;letter-spacing:-.045em;line-height:1.3}.metric-pair dl>div+div dd{color:var(--cyan)}.validation-steps{list-style:none;counter-reset:step;padding:0;margin-top:36px;display:grid;gap:28px}.validation-steps li{padding:0 0 25px 42px;position:relative;border-bottom:1px solid var(--line)}.validation-steps li:before{counter-increment:step;content:"0" counter(step);position:absolute;top:2px;left:0;font-size:13px;font-weight:600;color:var(--blue)}.reference-list{padding-left:22px}.reference-list li{padding:18px 0 18px 8px;border-bottom:1px solid var(--line)}.reference-list a{font-weight:550;font-size:16px;display:inline-block;min-height:44px;line-height:1.6;padding-block:6px}.reference-list p{margin-top:8px}.flow-list{list-style:none;padding:0;margin:32px 0;display:grid;gap:0}.flow-step{position:relative;display:grid;grid-template-columns:36px 1fr;gap:20px;padding:0 0 32px}.flow-step:not(:last-child):before{content:"";position:absolute;top:40px;bottom:7px;left:17px;width:1px;background:#c6d8e2}.flow-number{display:flex;align-items:center;justify-content:center;border:1px solid #b1cad8;border-radius:50%;width:36px;height:36px;color:var(--blue);font-size:11px;font-weight:650;background:#f5fafc}.flow-step h3{font-size:22px;margin-top:4px}.flow-step p{margin-top:10px;max-width:860px}.flow-list+.caption{margin-bottom:55px}.branch-grid{display:grid;gap:20px}.branch{border-top:2px solid var(--blue);background:var(--wash);padding:25px 22px}.branch.conversation{border-color:#8474c8}.branch.wellbeing{border-color:#73a18f}.branch .note{padding:16px;margin-top:20px;border-left:0;border-top:1px solid #c8d5dd;font-size:14px}.branch h3{font-size:23px}.fact-list{padding-left:22px}.fact-list li{margin-top:16px}.fact-list code{display:table;margin-top:6px}.fact-list li p{margin-top:8px}.verification-list{margin-block:25px}.verification-list .status-line{margin:0;font-size:15px}.verification-list .status-line strong{color:#fff}.timeline{list-style:none;padding:0 0 0 22px;margin:35px 0;position:relative;border-left:1px solid #bed1dc}.timeline li{position:relative;padding:0 0 36px 12px}.timeline li:before{content:"";position:absolute;left:-28px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px white}.timeline .eyebrow{font-size:10px;margin-bottom:12px}.timeline h3{font-size:24px}.timeline p{max-width:850px}.timeline li:last-child{padding-bottom:0}.wellbeing-pair{display:flex;flex-wrap:wrap;gap:24px;margin-top:25px}.wellbeing-example{margin:0;max-width:260px;flex:1;min-width:180px}.wellbeing-example img{width:100%;height:auto;border-radius:14px}.wellbeing-example figcaption{font-size:14px;margin-top:12px;color:var(--muted)}
.footer{padding-block:40px}.footer>.wrap{display:flex;flex-direction:column;gap:25px}.footer p{font-size:13px;margin-top:12px}.footer nav{display:flex;flex-wrap:wrap;gap:4px 22px}.footer nav a{display:flex;align-items:center;min-height:44px;font-size:14px;text-decoration:none;color:#c4d3de}
@media(min-width:430px){.hero h1{font-size:40px}.hero-description{font-size:16px}.hero .text-link{font-size:13px}.hero-media{grid-template-columns:172px 1fr;max-width:360px}.hero-phone{width:172px}.hero-annotations strong{font-size:14px}}
@media(min-width:650px){.wrap{width:calc(100% - 64px)}.section{padding-block:80px}.hero{padding-block:45px 26px}.hero h1{font-size:54px}.hero-description{font-size:18px}.hero .text-link{font-size:15px}.hero .button{font-size:15px;padding-inline:22px}.hero-media{grid-template-columns:245px 1fr;max-width:500px;gap:45px}.hero-phone{width:245px}.hero-annotations{gap:35px}.hero-annotations span{font-size:10px}.hero-annotations strong{font-size:18px}.hero-annotations small{font-size:12px}.hero .hero-footnote{font-size:10px}.hero-grid{gap:32px}.section-nav a{font-size:15px}.two-column{gap:40px}.verification-strip{grid-template-columns:repeat(3,1fr);gap:20px}.big-stat{font-size:43px}.verification-strip>div{padding-block:25px}.app-showcase{grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr;column-gap:35px;align-items:start}.app-stage{grid-column:2;grid-row:1/3;padding:15px}.app-switcher{grid-column:1;grid-row:1}.gallery-caption{grid-column:1;grid-row:2}.gallery-phone{width:340px}.gallery-caption h3{font-size:29px}.app-switcher button{font-size:12px}.section-head:has(>div){display:flex;align-items:end;justify-content:space-between;gap:35px}.section-head>div+p{max-width:260px}.role-split{grid-template-columns:1fr 1fr;gap:40px}.scenario-section{grid-template-columns:1fr 1fr;gap:45px;align-items:center}.scenario-copy h2{font-size:35px}.team-names li{flex-direction:row;justify-content:space-between;gap:18px}.team-names span{margin:0}.status-line{flex-direction:row;gap:25px}.verification-list .status-line{justify-content:space-between}.evidence-row summary{grid-template-columns:1fr 1fr 22px;align-items:center}.evidence-row summary:after{grid-column:3;grid-row:1}.rating{grid-column:2}.validation-steps{grid-template-columns:1fr 1fr;gap:30px}.page-hero{padding-block:70px 45px}.institution-strip span{width:auto}.institution-strip img{width:150px}.footer>.wrap{flex-direction:row;justify-content:space-between;align-items:start;gap:45px}.footer nav{max-width:390px;justify-content:flex-end}}
@media(min-width:1000px){.wrap{width:calc(100% - 96px)}.header-inner{min-height:76px}.brand{font-size:18px}.header nav{position:static;display:flex!important;background:none;padding:0;border:0;gap:25px}.header nav a{font-size:13px}.menu-toggle{display:none}.hero{padding-block:66px 35px}.hero-grid{grid-template-columns:1.15fr 1fr;gap:20px 60px;align-items:center}.hero-copy{padding-bottom:15px}.hero h1{font-size:59px}.hero-description{font-size:18px;margin-top:25px}.hero .actions{margin-top:30px}.hero-media{grid-template-columns:260px 1fr;gap:24px;max-width:none}.hero-phone{width:260px}.hero-annotations strong{font-size:15px}.hero-annotations span{font-size:8px}.hero .hero-footnote{grid-column:2;margin-top:10px}.section-nav{padding-block:18px;gap:60px}.section-nav a{justify-content:start;gap:30px}.section{padding-block:96px}.two-column{grid-template-columns:1fr 1fr;gap:65px}.section-head{margin-bottom:44px}.section-head>div+p{max-width:360px}.section-end{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}.section-end .text-link{align-self:center}.app-showcase{grid-template-columns:1fr 1.1fr;column-gap:100px}.app-switcher{margin-top:65px}.app-switcher button{font-size:16px}.app-stage{padding:30px}.gallery-caption{max-width:430px}.gallery-caption h3{font-size:37px}.demo-section{grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding-block:55px}.role-split{gap:65px;margin-bottom:45px}.role-split h3{font-size:27px}.flow-mini{font-size:14px}.summary-meta{display:inline;margin-left:20px}.scenario-section{gap:100px}.scenario-copy h2{font-size:43px}.research-result{grid-template-columns:.9fr 1.3fr auto;gap:40px;align-items:center}.research-result h3{font-size:26px}.big-stat{font-size:65px}.verification-strip{gap:45px}.comparison-panel>div{grid-template-columns:repeat(3,1fr)}.metric-pair{padding:24px}.metric-pair h3{min-height:53px}.metric-pair dd{font-size:35px}.branch-grid{grid-template-columns:repeat(3,1fr);gap:24px}.branch{padding:27px 24px}.branch h3{min-height:58px}.validation-steps{gap:40px}.page-hero{padding-block:90px 55px}.page-hero h1{max-width:950px}.footer{padding-block:55px}.footer nav{max-width:none}.institution-strip{gap:45px}.institution-strip img{width:175px;max-height:110px}}
@media(min-width:1250px){.hero h1{font-size:65px}.hero-media{grid-template-columns:280px 1fr;gap:30px}.hero-phone{width:280px}.hero-annotations strong{font-size:16px}.hero-annotations span{font-size:9px}.hero-grid{gap:20px 65px}.hero{padding-block:72px 35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.header,.menu-toggle,.footer,.section-nav,.jump-links{display:none!important}.dark{background:#fff;color:#111}.dark p{color:#333}.section{padding-block:30px}details{display:block}details>*{display:block}.hero-media{max-width:280px}.phone{box-shadow:none}a{color:#111}.page-hero{padding-top:0}}

/* Keep navigation and essential content usable if the interaction script cannot load. */
html:not(.js-ready) .menu-toggle{display:none}
html:not(.js-ready) .header{position:static}
html:not(.js-ready) .header-inner{flex-wrap:wrap}
html:not(.js-ready) .header nav{position:static;display:flex;flex-wrap:wrap;padding:0 0 16px;gap:4px 18px}
html:not(.js-ready) .app-switcher{display:none}
