:root{--paper:#f2f5fa;--ink:#152345;--blue:#284de5;--muted:#56647d;--mint:#e1f3ed;--lilac:#e7eafe;--line:#d9e1ee;--display:Impact,"Arial Narrow","Helvetica Neue",sans-serif;--body:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a{color:inherit}a:focus-visible{outline:3px solid var(--blue);outline-offset:6px}p,h1,h2,h3,figure{margin:0}img{display:block;max-width:100%}.wrap{width:min(1320px,88%);margin-inline:auto}.skip-link{position:absolute;left:20px;top:-100px;z-index:100;background:white;padding:14px 20px}.skip-link:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;padding-block:28px;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:27px;letter-spacing:-1.1px}.brand img{border-radius:11px}.site-header nav{display:flex;gap:34px}.site-header nav a{text-decoration:none;font-size:13px;font-weight:600;padding-block:10px}.site-header nav a:hover{text-decoration:underline;text-underline-offset:5px}.soon-tag{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:650;background:white;padding:10px 14px;border-radius:24px;white-space:nowrap}.soon-tag i,.live-dot{width:6px;height:6px;background:var(--blue);border-radius:50%;display:inline-block}.eyebrow{font-size:11px;line-height:1.6;font-weight:650;text-transform:uppercase;letter-spacing:1.5px}.hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:32px;min-height:760px;padding-block:42px 84px}.hero-copy{position:relative;z-index:2;animation:enter .7s ease-out both}.hero .eyebrow{margin-bottom:30px;display:flex;align-items:center;gap:9px}.hero h1{font-family:var(--display);font-size:clamp(78px,10vw,146px);font-weight:400;line-height:.94;letter-spacing:-3px}.hero-description{max-width:440px;font-size:21px;line-height:1.65;margin-top:29px;color:#475570}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:30px}.primary-link{display:inline-flex;align-items:center;gap:25px;background:var(--blue);color:white;text-decoration:none;padding:18px 22px;border-radius:5px;font-size:13px;font-weight:650;transition:background .2s,transform .2s}.primary-link:hover{background:#1c3ab8;transform:translateY(-2px)}.primary-link span{font-size:20px}.release-note{font-size:11px;line-height:1.6;color:var(--muted)}.release-note strong{font-weight:600;color:var(--ink)}.platform-note{margin-top:24px;color:var(--muted);font-size:11px;line-height:1.6;max-width:370px}.hero-art{position:relative;min-width:0;height:635px;display:flex;align-items:center;justify-content:center;isolation:isolate;animation:enter .9s ease-out both}.track-motif{position:absolute;z-index:-1;width:380px;height:560px;transform:rotate(24deg);background:var(--blue);border-radius:230px;overflow:hidden}.track-motif i{position:absolute;inset:22px;border:1px solid #ffffff55;border-radius:230px}.track-motif i:nth-child(2){inset:43px}.track-motif i:nth-child(3){inset:64px}.hero-screen{width:258px;border:6px solid #10172b;border-radius:36px;background:#10172b;box-shadow:18px 28px 50px #15234530;transform:rotate(6deg);overflow:hidden}.hero-screen img{width:100%;height:auto;border-radius:30px}.hero-art figcaption{position:absolute;bottom:8px;width:100%;text-align:center;font-size:10px;line-height:1.6;color:var(--muted)}
.walkthrough-section{background:#fff;padding-top:90px;overflow:clip}.walkthrough-intro>.eyebrow{color:var(--blue);margin-bottom:28px}.section-heading{display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:end}.section-heading h2,.next-layout h2,.closing h2{font-family:var(--display);font-size:clamp(58px,6.5vw,88px);font-weight:400;line-height:.98;letter-spacing:-1.8px}.section-heading>div>p:first-child{font-size:19px;line-height:1.55;max-width:350px}.section-heading .capture-note{font-size:12px;line-height:1.8;color:var(--muted);max-width:410px;margin-top:18px}.chapter-links{display:flex;border-block:1px solid var(--line);margin-top:48px}.chapter-links a{flex:1;display:flex;gap:12px;align-items:center;text-decoration:none;padding:22px 8px;font-size:12px;font-weight:650;transition:color .2s}.chapter-links span{font-size:10px;font-variant-numeric:tabular-nums;color:var(--muted)}.chapter-links a:hover,.chapter-links a[aria-current="step"]{color:var(--blue)}.chapter-links a[aria-current="step"] span{color:var(--blue)}.walkthrough{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:95px;padding-bottom:40px}.walkthrough-visual{display:none}.chapters{grid-column:1/-1}.chapter{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center;padding-block:60px;border-bottom:1px solid var(--line);scroll-margin-top:40px}.chapter-copy{max-width:450px}.chapter-index{display:flex;align-items:center;gap:13px;font-size:11px;font-weight:650;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted);margin-bottom:22px}.chapter-index>span{width:31px;height:31px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:10px;letter-spacing:0;font-variant-numeric:tabular-nums}.chapter h3{font-size:clamp(38px,4vw,57px);line-height:1.04;letter-spacing:-2px;font-weight:700}.chapter-copy>p:not(.chapter-index){font-size:16px;line-height:1.8;margin-top:24px;color:#475570}.chapter-copy>p.chapter-detail{font-size:13px;line-height:1.85;margin-top:18px;color:var(--muted)}.chapter-copy>p.feature-note{font-size:11px;line-height:1.75;margin-top:20px;padding:12px 14px;border-left:2px solid #a5b5f7;background:#f3f5fe}.screen-link{display:inline-flex;align-items:center;gap:25px;text-decoration:none;font-size:11px;font-weight:650;border-bottom:1px solid var(--line);padding:13px 0;margin-top:19px}.screen-link:hover{color:var(--blue);border-color:var(--blue)}.screen-link span{font-size:17px}.inline-screen{width:260px;max-width:100%;margin:auto}.inline-screen img{border-radius:30px;box-shadow:0 15px 45px #15234520}.inline-screen figcaption{margin-top:14px;text-align:center;font-size:10px;line-height:1.6;color:var(--muted)}.walkthrough-enhanced .walkthrough-visual{display:block;grid-column:2;grid-row:1;position:relative;min-width:0}.walkthrough-enhanced .chapters{grid-column:1;grid-row:1}.walkthrough-enhanced .chapter{display:flex;min-height:88svh;border:0;padding:70px 0;scroll-margin-top:6svh;opacity:.5;transition:opacity .35s}.walkthrough-enhanced .chapter.is-active{opacity:1}.walkthrough-enhanced .chapter.is-active .chapter-index{color:var(--blue)}.walkthrough-enhanced .chapter.is-active .chapter-index>span{background:var(--blue);border-color:var(--blue);color:white}.walkthrough-enhanced .inline-screen{display:none}.visual-sticky{position:sticky;top:25px;height:calc(100svh - 50px);max-height:870px;min-height:480px;display:flex;flex-direction:column;justify-content:center;padding-block:22px}.visual-header,.visual-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;line-height:1.6}.visual-header{margin-bottom:15px;padding-inline:2px}.visual-kicker{text-transform:uppercase;letter-spacing:1.5px}.visual-header b{font-weight:650;color:var(--blue)}.number-divider{margin-left:4px;color:#78849b}.screen-scene{container-type:size;position:relative;display:flex;align-items:center;justify-content:center;flex:1;min-height:0;background:#edf0fa;border-radius:8px;overflow:hidden;padding:22px;isolation:isolate}.scene-orbit{position:absolute;width:75%;height:85%;border:1px solid #b6c4ef;border-radius:50%;transform:rotate(28deg);z-index:-1;box-shadow:0 0 0 27px #edf0fa,0 0 0 28px #c9d3f1,0 0 0 55px #edf0fa,0 0 0 56px #dce3f7}/* Fit the complete phone to both scene dimensions; keep the screenshot ratio inside an even bezel. */
.screen-stack{--bezel:5px;position:relative;flex:none;box-sizing:content-box;width:min(calc(100cqw - 2 * var(--bezel)),calc((100cqh - 2 * var(--bezel)) * 1206 / 2622),calc(670px * 1206 / 2622));height:auto;aspect-ratio:1206/2622;border-radius:32px;background:#10172b;box-shadow:0 22px 35px #18254928;border:var(--bezel) solid #10172b;overflow:hidden}.screen-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transform:translateY(8px);transition:opacity .45s ease,transform .45s ease;border-radius:26px}.screen-frame.is-active{opacity:1;transform:translateY(0)}.visual-footer{padding-block:15px 12px}.visual-footer>span:first-child{color:var(--ink);font-weight:600}.walkthrough-progress{height:2px;background:var(--line);overflow:hidden}.walkthrough-progress>span{display:block;width:16.6667%;height:100%;background:var(--blue);transition:width .45s}.walkthrough-end{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding-block:25px 35px;color:var(--muted);font-size:11px}.walkthrough-end a{text-decoration:none;color:var(--ink);font-weight:600}.walkthrough-end a span{margin-left:18px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#8a6429;margin-right:5px}
.next-section{padding-block:95px 105px}.next-section>.eyebrow{color:var(--blue);margin-bottom:30px}.next-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.next-layout h2{font-size:clamp(54px,6vw,80px)}.status-list>div{border-top:1px solid var(--line);padding:20px 0}.status-list>div:first-child{padding-top:0;border-top:0}.status-label{font-size:10px;font-weight:650;letter-spacing:1px;text-transform:uppercase;color:#2b6655}.testing-label{color:#846229}.future-label{color:var(--muted)}.status-list p{font-size:13px;line-height:1.85;margin-top:10px;max-width:470px;color:var(--muted)}.closing{background:var(--blue);color:white;overflow:hidden}.closing-inner{position:relative;padding-block:70px 80px}.closing h2{font-size:clamp(66px,9vw,124px);line-height:.96;position:relative;z-index:1;margin-top:26px}.closing p:not(.eyebrow){margin-top:24px;font-size:14px;line-height:1.6;position:relative;z-index:1;max-width:400px}.closing-badge{display:inline-block;margin-top:26px;border:1px solid #ffffff70;border-radius:5px;padding:14px 18px;font-size:12px;font-weight:600;position:relative;z-index:1}.closing-slash{font-family:var(--display);font-size:680px;line-height:.9;position:absolute;right:55px;top:-50px;color:#ffffff14;transform:rotate(5deg);user-select:none}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:35px 40px}.footer-brand{font-size:23px;gap:10px}.footer-brand img{border-radius:8px}.site-footer>div{display:flex;align-items:center;gap:28px}.site-footer p{font-size:11px;line-height:1.7;color:var(--muted)}.site-footer>p{text-align:right}@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(min-width:1600px){.hero{min-height:840px}.hero-art{height:700px}.hero-screen{width:290px}.track-motif{height:620px;width:420px}}
@media(max-width:1100px){.hero{min-height:700px;grid-template-columns:1.1fr .9fr}.hero h1{font-size:clamp(75px,10vw,110px)}.hero-description{font-size:18px}.hero-art{height:600px}.hero-screen{width:240px}.track-motif{width:300px;height:510px}.section-heading{gap:40px}.walkthrough{gap:55px}.chapter h3{font-size:43px}.chapter-copy>p:not(.chapter-index){font-size:15px}.next-layout{gap:55px}.closing-slash{right:0}}
@media(max-width:760px){.wrap{width:calc(100% - 44px)}.site-header{padding-block:22px}.site-header nav{gap:20px}.site-header nav a{font-size:11px}.brand{font-size:24px}.brand img{width:36px;height:36px;border-radius:9px}.soon-tag{font-size:10px;padding:9px 10px}.hero{grid-template-columns:1fr;gap:25px;padding-top:35px;padding-bottom:55px}.hero h1{font-size:clamp(78px,15vw,114px)}.hero-copy{max-width:560px}.hero-description{font-size:19px}.hero-art{height:600px;width:min(420px,100%);margin:auto}.hero-screen{width:240px}.track-motif{width:320px;height:510px}.hero-art figcaption{bottom:0}.walkthrough-section{padding-top:60px}.section-heading{grid-template-columns:1fr;gap:27px}.section-heading h2{font-size:64px}.section-heading>div>p:first-child{font-size:17px;max-width:450px}.section-heading .capture-note{max-width:580px;margin-top:12px}.chapter-links{margin-top:30px}.chapter-links a{padding:18px 2px;gap:6px;font-size:10px;justify-content:center}.chapter-links span{font-size:9px}.walkthrough{display:block;padding-bottom:0}.walkthrough-enhanced .walkthrough-visual{display:block;position:sticky;top:0;z-index:3;margin-inline:-22px;background:white;border-bottom:1px solid var(--line);padding:10px 22px 0}.visual-sticky{position:relative;top:auto;height:49svh;min-height:290px;max-height:440px;padding:0}.visual-header{font-size:9px;margin-bottom:6px}.screen-scene{padding:10px;background:#edf0fa;border-radius:4px}.screen-stack{--bezel:3px;border-radius:20px}.screen-frame{border-radius:16px;transform:none}.scene-orbit{width:36%;height:85%;box-shadow:0 0 0 27px #edf0fa,0 0 0 28px #c9d3f1,0 0 0 55px #edf0fa,0 0 0 56px #dce3f7}.visual-footer{padding-block:6px;font-size:9px}.walkthrough-enhanced .chapter{min-height:62svh;padding:34px 0 60px;scroll-margin-top:52svh;opacity:1}.chapter-copy{max-width:100%}.chapter-index{margin-bottom:16px;font-size:10px}.chapter h3{font-size:42px;letter-spacing:-1.5px}.chapter h3 br{display:none}.chapter-copy>p:not(.chapter-index){font-size:15px;margin-top:18px;line-height:1.75}.chapter-copy>p.chapter-detail{font-size:12px;line-height:1.85;margin-top:12px}.chapter-copy>p.feature-note{margin-top:14px;font-size:10px}.screen-link{margin-top:12px}.chapter{grid-template-columns:1fr;gap:30px;padding-block:45px}.inline-screen{width:260px}.walkthrough-end{font-size:10px;line-height:1.6;padding-top:20px}.next-section{padding-block:60px}.next-layout{grid-template-columns:1fr;gap:35px}.next-layout h2{font-size:61px}.status-list p{max-width:100%;font-size:13px}.closing-inner{padding-block:55px 65px}.closing h2{font-size:clamp(64px,12vw,90px)}.closing-slash{right:-80px;top:30px;font-size:460px}.closing p:not(.eyebrow){font-size:13px;max-width:300px}.site-footer>div{gap:20px}}
@media(max-width:430px){.site-header{flex-wrap:wrap;gap:18px}.site-header nav{order:3;width:100%;border-top:1px solid var(--line);padding-top:8px;gap:24px}.soon-tag{margin-left:auto}.hero{padding-top:15px}.hero .eyebrow{font-size:9px;letter-spacing:1px;margin-bottom:24px}.hero h1{font-size:clamp(64px,18vw,78px);letter-spacing:-1.8px}.hero-description{font-size:17px;margin-top:24px}.hero-actions{gap:16px}.primary-link{font-size:12px;padding:15px 16px;gap:17px}.release-note{font-size:10px}.platform-note{font-size:10px;max-width:290px}.hero-art{height:570px}.hero-screen{width:226px}.track-motif{width:275px;height:475px}.hero-art figcaption{font-size:9px}.section-heading h2{font-size:55px;letter-spacing:-1.2px}.walkthrough-intro>.eyebrow{font-size:9px}.section-heading .capture-note{font-size:11px}.chapter-links a{font-size:9px;gap:4px}.chapter-links span{font-size:8px}.chapter h3{font-size:36px}.visual-sticky{min-height:270px}.visual-footer{font-size:8px}.walkthrough-end{display:block}.walkthrough-end a{display:inline-block;margin-top:14px}.site-footer{align-items:flex-start;gap:24px;flex-direction:column;padding-block:28px}.site-footer>div{width:100%;justify-content:space-between}.site-footer>p{text-align:left}.site-footer>p br{display:none}}
@media(max-height:620px) and (min-width:761px){.visual-sticky{min-height:400px;top:10px;height:calc(100svh - 20px)}.walkthrough-enhanced .chapter{min-height:100svh}.screen-scene{padding:12px}.visual-header{margin-bottom:8px}.visual-footer{padding-block:8px}.screen-stack{--bezel:3px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.primary-link:hover{transform:none}.screen-frame{transform:none}.walkthrough-enhanced .chapter{opacity:1}}
@media print{.site-header,.hero,.walkthrough-visual,.chapter-links,.closing,.site-footer,.next-section,.walkthrough-end{display:none!important}.walkthrough-enhanced .inline-screen{display:block}.walkthrough-enhanced .chapter{display:grid;grid-template-columns:1fr 1fr;gap:25px;min-height:0;break-inside:avoid;opacity:1;padding:25px 0}.walkthrough{display:block}.chapter h3{font-size:25px}.inline-screen{width:150px}.walkthrough-section{padding-top:0}.section-heading h2{font-size:36px}}
@media(max-width:760px){.hero-art{overflow:clip}}

/* Six prototype chapters and clear event-brand attribution. */
.about-section{background:#fff;padding-block:100px;scroll-margin-top:20px}
.about-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(45px,7vw,110px);align-items:center}
.founder-portrait{width:100%;max-width:390px;justify-self:center}
.founder-portrait img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;object-position:50% 20%;border-radius:50%;box-shadow:0 18px 48px #15234512}
.founder-portrait figcaption{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;margin-top:20px;font-size:12px}
.founder-portrait figcaption strong{font-size:14px;font-weight:650}
.founder-portrait figcaption span{color:var(--muted)}
.about-copy .eyebrow{color:var(--blue);margin-bottom:26px}
.about-copy h2{font-family:var(--display);font-size:clamp(48px,5.4vw,76px);font-weight:400;line-height:1.03;letter-spacing:-1.5px}
.about-copy>p:not(.eyebrow){font-size:15px;line-height:1.9;color:var(--muted);max-width:570px;margin-top:20px}
.about-copy>p.about-intro{font-size:19px;line-height:1.6;color:var(--ink);margin-top:28px}
@media(max-width:760px){.about-section{padding-block:60px}.about-layout{grid-template-columns:1fr;gap:38px}.founder-portrait{max-width:340px}.about-copy h2{font-size:clamp(46px,8vw,60px)}.about-copy .eyebrow{font-size:10px;margin-bottom:21px}.about-copy>p.about-intro{font-size:18px}.about-copy>p:not(.eyebrow){max-width:none}.site-header nav{gap:22px}}
@media(max-width:430px){.about-copy h2{font-size:46px;letter-spacing:-1px}.about-copy h2 br{display:none}.about-copy>p:not(.eyebrow){font-size:14px}.about-copy>p.about-intro{font-size:18px}.founder-portrait figcaption{font-size:11px}.site-header nav{gap:24px}}
.site-footer{flex-wrap:wrap}.site-footer>.affiliation-note{flex-basis:100%;max-width:760px;text-align:left;font-size:10px;line-height:1.7;border-top:1px solid var(--line);padding-top:18px}
@media(max-width:430px){.chapter-links a{flex-direction:column;gap:5px;min-width:0;padding-block:14px;font-size:9px}.chapter-links span{font-size:8px}.site-footer>.affiliation-note{flex-basis:auto;width:100%}}

/* Official wordmark. The square mark remains the app icon. */
.brand .brand-wordmark{width:113px;height:auto;border-radius:0;display:block}
.footer-brand .brand-wordmark{width:90px;height:auto}
@media(max-width:760px){.site-header .brand-wordmark{width:100px;height:auto}}

/* A direct path to the research without interrupting the prototype walkthrough. */
.research-invitation{background:#e7edfd;padding-block:65px}.research-invitation>.wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:end}.research-invitation .eyebrow{color:var(--blue);margin-bottom:22px}.research-invitation h2{font-family:var(--display);font-size:clamp(48px,5.6vw,76px);font-weight:400;line-height:1.04;letter-spacing:-1px}.research-invitation p:not(.eyebrow){font-size:16px;line-height:1.8;color:var(--muted);max-width:420px}.research-invitation .primary-link{margin-top:24px}.research-review-date{display:block;font-size:10px;line-height:1.7;margin-top:16px;color:var(--muted)}
@media(max-width:760px){.research-invitation{padding-block:50px}.research-invitation>.wrap{grid-template-columns:1fr;gap:28px}.research-invitation h2{font-size:55px}.research-invitation p:not(.eyebrow){font-size:14px}.site-header nav{gap:18px}}
@media(max-width:430px){.site-header nav{gap:18px;justify-content:space-between}.site-header nav a{font-size:10px}.research-invitation h2{font-size:47px}}

@media(max-width:760px){.site-header{flex-wrap:wrap;gap:18px}.site-header nav{order:3;width:100%;border-top:1px solid var(--line);padding-top:8px;justify-content:flex-start}.site-header .soon-tag{margin-left:auto}}

/* Background-aware prototype, November 2026. */
:root{--blue:#264ce8}
[hidden]{display:none!important}
button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
.hero h1{font-size:clamp(70px,7.8vw,112px);line-height:1;letter-spacing:-2.2px}
.hero h1 span{color:var(--blue)}
.hero-description{max-width:490px;font-size:19px;line-height:1.65}
.starting-section{padding-block:75px 90px;border-top:1px solid var(--line)}
.starting-heading{display:grid;grid-template-columns:1.4fr 1fr;gap:80px;align-items:end}
.starting-heading .eyebrow{color:var(--blue);margin-bottom:24px}
.starting-heading h2{font-family:var(--display);font-size:clamp(54px,6.8vw,90px);font-weight:400;line-height:1;letter-spacing:-1.5px}
.starting-question{font-size:22px;line-height:1.5;margin-top:18px}
.starting-heading>p{font-size:17px;line-height:1.8;color:var(--muted);max-width:410px}
.explainer-label{font-size:11px;line-height:1.8;color:var(--muted);margin-top:35px;max-width:780px}
.path-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:18px}
.path-selector button{display:flex;align-items:center;gap:12px;text-align:left;background:transparent;color:var(--ink);border:1px solid #bfcbe2;border-radius:7px;padding:18px 16px;min-height:65px;font:600 14px/1.5 var(--body);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.path-selector button span{font-size:10px;opacity:.7;font-variant-numeric:tabular-nums}
.path-selector button:hover{border-color:var(--blue)}
.path-selector button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:white}
.path-panels{margin-top:16px}
.path-panel{display:grid;grid-template-columns:150px 1fr;gap:35px;align-items:center;min-height:310px;padding:42px 50px;background:#e6ecfc;border-radius:10px;margin-top:16px}
.path-panel:first-child{margin-top:0}
.path-panel.is-selected{animation:path-enter .3s ease both}
.path-mark{font-size:120px;font-weight:600;line-height:1;color:var(--blue);text-align:center}
.path-kicker{font-size:11px;font-weight:600;color:var(--blue);line-height:1.7;margin-bottom:16px}
.path-panel h3{font-size:38px;line-height:1.12;letter-spacing:-1.1px}
.path-panel div>p:last-child{font-size:15px;line-height:1.8;color:var(--muted);max-width:660px;margin-top:20px}
.starting-footnote{display:grid;grid-template-columns:1fr 2fr;gap:45px;padding:26px 0;border-bottom:1px solid var(--line)}
.starting-footnote strong{font-size:14px;line-height:1.8}
.starting-footnote p{font-size:13px;line-height:1.85;color:var(--muted)}
.setup-details{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:40px}
.setup-details article>span{font-size:10px;color:var(--blue);font-weight:600}
.setup-details h3{font-size:22px;line-height:1.3;margin-top:15px;letter-spacing:-.4px}
.setup-details p{font-size:13px;line-height:1.85;color:var(--muted);margin-top:13px}
.starting-section>.screen-link{margin-top:30px}
.chapter-links{display:grid;grid-template-columns:repeat(8,1fr)}
.chapter-links a{min-width:0;gap:8px}
.walkthrough-progress>span{width:12.5%}
.capture-links{display:flex;gap:0 22px;flex-wrap:wrap;margin-top:10px}
.capture-links .screen-link{margin-top:3px;gap:12px;line-height:1.6}
.capture-links:has(a:nth-child(4)) .screen-link{font-size:10px}
@keyframes path-enter{from{opacity:.45;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:1100px){.hero h1{font-size:clamp(65px,8vw,90px)}.starting-heading{gap:40px}.path-selector button{font-size:12px;padding:15px 12px;gap:8px}.path-panel{padding:35px;grid-template-columns:110px 1fr}.chapter-links a{gap:6px;font-size:11px}.setup-details{gap:28px}}
@media(max-width:760px){.hero h1{font-size:clamp(60px,10.5vw,90px);letter-spacing:-1.5px}.hero-description{font-size:18px}.starting-section{padding-block:55px 60px}.starting-heading{grid-template-columns:1fr;gap:22px}.starting-heading h2{font-size:clamp(49px,8vw,66px)}.starting-question{font-size:20px;margin-top:14px}.starting-heading>p{max-width:100%;font-size:15px}.path-selector{grid-template-columns:repeat(2,1fr)}.path-selector button{font-size:13px;min-height:62px}.path-panel{grid-template-columns:55px 1fr;gap:20px;padding:28px 23px;min-height:330px}.path-mark{font-size:66px}.path-panel h3{font-size:30px;letter-spacing:-.8px}.path-panel div>p:last-child{font-size:13px;margin-top:16px}.path-kicker{font-size:10px}.starting-footnote{grid-template-columns:1fr;gap:8px;padding-block:24px}.setup-details{grid-template-columns:1fr;gap:26px;margin-top:30px}.setup-details article{border-bottom:1px solid var(--line);padding-bottom:24px}.setup-details h3{margin-top:10px}.setup-details p{margin-top:10px}.chapter-links{grid-template-columns:repeat(4,1fr)}.chapter-links a{font-size:11px;min-height:48px;padding:13px 6px;justify-content:flex-start}.chapter-links a:nth-child(n+5){border-top:1px solid var(--line)}.capture-links .screen-link{font-size:11px}.walkthrough-enhanced .chapter{padding-bottom:50px}}
@media(max-width:430px){.hero h1{font-size:clamp(49px,14.5vw,62px)}.hero-description{font-size:17px}.path-panel{display:block;min-height:355px;padding:25px}.path-mark{display:none}.path-panel h3{font-size:29px;line-height:1.15}.path-selector button{font-size:12px;padding:13px 11px}.path-selector button span{font-size:9px}.explainer-label{font-size:10px}.starting-heading h2{font-size:49px}.chapter-links a{flex-direction:row;justify-content:center;gap:7px;font-size:10px}.chapter-links span{font-size:9px}}
@media(prefers-reduced-motion:reduce){.path-panel.is-selected{animation:none;transform:none}.path-selector button{transition:none}}

/* Quiet, aligned provenance beneath the hero preview. */
.hero-art{padding-bottom:58px}
.hero-art figcaption{bottom:0;display:flex;flex-direction:column;align-items:center;gap:6px;line-height:1.6}
.preview-label{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:550;letter-spacing:.2px;color:var(--ink)}
.preview-label i{width:5px;height:5px;border-radius:50%;background:var(--blue);opacity:.65}