/* Direction studies, not an adopted application design system. */
.variation .prototype-controls button[aria-pressed=true]{background:#e7deef;color:#37283e}
.variation{--bg:#f7f7f4;--ink:#213746;--muted:#4d6575;--accent:#315d77;--second:#b07a53;--line:#cbd5db;--paper:#fff;--wash:#e7edf0;--head:Serif;color:var(--ink);font-size:16px}
.variation h1{font:400 clamp(64px,6.6vw,96px)/1.02 var(--head);letter-spacing:-.035em}.variation h2{font-weight:400;letter-spacing:-.025em}.variation p{color:var(--muted)}.variation a:focus-visible,.variation button:focus-visible,.variation input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.variation-nav{height:96px;margin:0 5%;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.variation-nav>span{font-size:12px}.variation-nav nav{margin-left:auto;display:flex;align-items:center;gap:28px;font-size:14px}.variation-nav nav>a:not(.cta){text-decoration:none}.variation-nav .cta{padding:10px 20px}.studio-intro>p{font-size:20px;line-height:1.55;max-width:39ch;margin:25px 0 30px}.studio-intro .cta{font-size:15px}.research-principle{padding:85px 7%;display:grid;grid-template-columns:1fr 1fr;gap:8%;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.research-principle h2{font-size:clamp(36px,3.6vw,52px)}.research-principle p{font-size:17px;line-height:1.85}.chapter-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:42px}.chapter-heading h2{font-size:48px}.chapter-heading p{max-width:400px;font-size:16px}.evidence-chapter{padding:100px 6%}.flow-demo{background:var(--wash);border-radius:14px;overflow:hidden}.flow-demo-top{height:64px;display:flex;align-items:center;gap:20px;padding:0 24px;border-bottom:1px solid var(--line);font-size:13px}.flow-demo-top>span{color:var(--muted);font-size:12px}.flow-demo-top>.demo-play{margin-left:auto}.flow-demo-body{display:grid;grid-template-columns:45% 55%;min-height:600px;padding:25px;gap:0}.flow-illustration{position:relative;align-self:center}.node-flow{overflow:visible}.demo-connectors path{fill:none;stroke:var(--accent);stroke-width:1.6}.demo-node rect{fill:var(--paper);stroke:var(--accent);stroke-width:1.2}.demo-node text{font:600 13px Manrope;fill:var(--ink)}.demo-node .node-id{font-size:10px;font-weight:400;fill:var(--muted)}.node-info{position:absolute;display:grid;place-items:center;width:27px;height:27px;padding:4px;border-radius:50%;background:var(--paper);color:var(--accent);border:1px solid var(--accent);transition:box-shadow .2s}.node-info:hover,.node-info[aria-expanded=true]{background:var(--accent);color:var(--paper);box-shadow:0 3px 10px #172a3026}.node-info svg{fill:none;stroke:currentColor;stroke-width:1.6}.node-info.population{left:62%;top:23%}.node-info.outcomes{left:62%;top:65%}.info-slot{min-width:0;align-self:center;position:relative;padding:25px 10px 25px 15px}.node-info-panel{background:var(--paper);box-shadow:0 14px 42px #132b3821;border-radius:12px;padding:22px;max-width:480px;max-height:545px;overflow:auto;transform-origin:left center}.info-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.info-title strong,.info-title small{display:block}.info-title strong{font-size:15px}.info-title small{color:var(--muted);font-size:11px}.close-info{width:27px;height:27px;background:none;padding:5px}.close-info svg{stroke:currentColor;stroke-width:1.5;fill:none}.info-checkboxes{display:flex;flex-wrap:wrap;gap:9px 13px;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:11px}.info-checkboxes label{display:flex;align-items:center;gap:3px;cursor:pointer}.info-checkboxes input{margin:0;accent-color:var(--accent);width:12px;height:12px}.info-sections section{padding-top:13px}.info-sections h4{font-size:13px;font-weight:600;margin:0 0 8px}.info-sections p{font-size:12px;line-height:1.7}.info-sections .plot{margin:8px 0}.info-sections .result{padding:5px}.info-sections .estimate{font-size:42px}.info-sections .result-foot{font-size:10px}.shell{border-collapse:collapse;width:100%;font-size:11px}.shell th,.shell td{border:1px solid var(--line);padding:9px;text-align:left}.shell th{background:var(--wash);font-weight:600}.shell caption{text-align:left;font-size:11px;color:var(--muted);padding:0 0 9px}.info-prompt{font-size:15px;max-width:250px;margin:auto;color:var(--muted)}.flow-demo-caption{display:flex;justify-content:space-between;padding:15px 24px;border-top:1px solid var(--line);gap:20px;font-size:12px}.flow-demo-caption span:last-child{font-size:11px;color:var(--muted)}
.journal-composition{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:35px;align-items:center;max-width:1100px;margin:auto}.journal-composition>.paper{width:100%;transform:rotate(-1deg)}.source-fragment{background:var(--wash);padding:26px 23px;border-radius:4px;position:relative}.source-fragment:before{content:"";height:1px;background:var(--accent);width:35px;position:absolute;left:-35px;top:40%}.source-fragment-top{display:flex;flex-direction:column;font-size:13px;gap:5px;padding-bottom:22px}.source-fragment-top>span{font-size:11px;color:var(--muted)}.source-fragment>p{font:20px/1.6 Serif;color:var(--ink)}.source-fragment mark{color:inherit;background:#c9dde9}.source-fragment small{font-size:11px;display:block;margin-top:18px}.source-reply{display:flex;gap:12px;border-top:1px solid var(--line);padding-top:22px;margin-top:25px}.source-reply p{font-size:12px}.source-fragment button{margin-top:20px}.source-fragment.source-muted>p,.source-fragment.source-muted>small,.source-fragment.source-muted>.source-reply{visibility:hidden}.paper .paper-lead{font-size:19px}.writing-chapter{padding:95px 7%;display:grid;grid-template-columns:30% 1fr;gap:5%;align-items:center}.writing-chapter>div:first-child p{margin:25px 0}.writing-chapter .journal-composition{display:block}.writing-chapter .source-fragment{max-width:370px;margin:-10px -25px 0 auto;transform:rotate(2deg)}.writing-chapter .source-fragment:before{display:none}.writing-chapter .source-fragment .source-reply,.writing-chapter .source-fragment small{display:none}.writing-chapter .source-fragment p{font-size:17px}.writing-chapter .source-fragment-top{padding-bottom:12px}.learning-chapter{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:80px 7%;border-top:1px solid var(--line)}.learning-chapter h2{font-size:46px}.learning-chapter p{margin-top:25px;max-width:420px}.learning-links a{display:flex;justify-content:space-between;gap:25px;align-items:center;text-decoration:none;font-size:18px;padding:24px 0;border-bottom:1px solid var(--line)}.learning-links svg{width:22px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.5}
/* Support, enterprise and founder are real chapters, not fine print. */
.support-enterprise{display:grid;grid-template-columns:1fr 1fr;gap:8%;padding:70px 7%;background:var(--wash);border-block:1px solid var(--line)}.support-enterprise h2{font-size:34px;line-height:1.2;margin-bottom:20px}.support-enterprise p{font-size:17px;line-height:1.8;max-width:45ch}.donate-link{display:inline-flex;margin-top:25px;font-size:16px;font-weight:600;text-decoration:none;padding:12px 34px;border:1px solid var(--accent);border-radius:6px;color:var(--ink)}.donate-link:hover{background:var(--accent);color:var(--bg)}.enterprise-block a{white-space:nowrap}.founder-section{padding:85px 7%;display:grid;grid-template-columns:220px minmax(0,1fr) auto;gap:45px;align-items:center}.founder-photo img{width:220px;height:250px;object-fit:cover;object-position:center;border-radius:6px;display:block}.founder-copy h2{font-size:26px;margin-bottom:22px}.founder-copy h3{font:600 29px var(--head);margin-bottom:7px}.founder-copy .credentials{font-size:15px;margin-bottom:15px;color:var(--ink)}.founder-copy>p{font-size:16px;max-width:46ch}.founder-copy>a{display:inline-block;margin-top:20px;font-size:14px}.contact-block{border-left:1px solid var(--line);padding-left:30px}.contact-block h3{font:600 22px var(--head);margin-bottom:15px}.contact-block a{font-size:15px}.complete-footer{margin:0;padding:45px 7% 65px;border-top:1px solid var(--line);background:var(--wash)}.footer-identity{display:flex;gap:25px;align-items:center;margin-bottom:26px}.footer-identity span{font-size:13px}.complete-footer>p{font-size:14px;line-height:1.9;max-width:105ch;color:var(--ink)}
/* 3A: spacious journal opening, a large document and a visible source margin. */
.journal-hero{padding:65px 6% 100px}.journal-hero .studio-intro{text-align:center;margin:0 auto 65px}.journal-hero .studio-intro>p{margin:24px auto 28px;max-width:39ch}.v3a .research-principle{background:#e7edf0}.v3a .founder-section{background:#fff}
/* 3B: a compact split front page and a restrained dark editorial spine. */
.v3b{--bg:#fcfbf8;--ink:#263543;--muted:#4b5e6e;--accent:#2d597a;--second:#a67347;--wash:#e8eef2;--line:#cbd5df}.edition-hero{display:grid;grid-template-columns:40% 56%;gap:4%;padding:65px 6% 100px;align-items:center}.edition-hero .studio-intro{align-self:start;position:sticky;top:60px;padding-top:45px}.edition-hero h1{font-size:clamp(64px,6vw,88px)}.edition-paper{position:relative;padding-bottom:30px}.edition-paper>.paper{padding:38px;transform:rotate(1.5deg);box-shadow:0 20px 70px #2635431c}.show-source{margin-top:30px;background:var(--wash)}.edition-source{position:absolute;right:5%;bottom:60px;width:320px;z-index:4;box-shadow:0 14px 40px #26354330}.edition-source .source-fragment:before{display:none}.edition-source .source-switch{display:none}.v3b .research-principle{background:#243b4d;--ink:#faf8f4;--muted:#d9e3eb;--line:#537084;color:var(--ink)}.v3b .chapter-heading{align-items:start}.v3b .evidence-chapter{padding-top:85px}.analysis-spread{padding:85px 7%;background:#edf1f3}.analysis-spread>div:first-child{display:flex;justify-content:space-between;gap:40px;align-items:center;margin-bottom:45px}.analysis-spread>div:first-child p{max-width:400px}.analysis-pair{display:grid;grid-template-columns:1.4fr 1fr;gap:35px}.v3b .founder-section{grid-template-columns:180px 1fr 270px}.v3b .founder-photo img{width:180px;height:220px}.v3b .support-enterprise{background:#fff}
/* 5A: one confident chart stage, then a light evidence room. */
.v5a{--bg:#29213e;--ink:#f6eefb;--muted:#d4c6e3;--accent:#d2b5ff;--second:#f29c75;--line:#655071;--paper:#382d4b;--wash:#3c2e50;--head:Plex}.v5a .cta{color:#29213e}.stage-hero{padding:65px 6% 70px}.stage-hero .studio-intro{display:grid;grid-template-columns:1.4fr 1fr;column-gap:8%;align-items:center}.stage-hero h1{grid-row:1/3;font-weight:600}.stage-hero .studio-intro>p{font-size:21px;margin:15px 0 25px;max-width:33ch}.stage-hero .studio-intro>.cta{justify-self:start;align-self:start}.stage-chart{margin-top:70px}.chart-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.chart-heading h2{font:600 20px Manrope;letter-spacing:0}.chart-heading p{font-size:13px}.chart-result{display:grid;grid-template-columns:1fr 320px;gap:45px;align-items:center}.chart-result>.plot{min-width:0}.chart-result>.result{transform:rotate(2deg);background:#f1e8f8;--ink:#392746;--muted:#695376;--accent:#8350a7;--line:#d5c0e1;color:var(--ink)}.chart-result .estimate{font-size:54px}.stage-chart>.replay-plot{margin:15px 0 0 8%}.v5a .research-principle{padding-top:65px;padding-bottom:65px}.v5a .evidence-chapter{background:#f3edf6;--bg:#f3edf6;--ink:#34273e;--muted:#64506d;--accent:#7b559a;--line:#d5c6de;--wash:#e7ddef;--paper:#fff;color:var(--ink)}.v5a .source-fragment{background:#453554}.v5a .source-fragment mark{background:#69517c}.v5a .support-enterprise{background:#f1e8f6;--ink:#35253f;--muted:#604b70;--accent:#78508e;--line:#cdbbd8;--bg:#f1e8f6;color:var(--ink)}.v5a .donate-link{background:#78508e;color:#fff}.v5a .complete-footer{background:#211a31}.v5a .writing-chapter .source-fragment>p{color:var(--ink)}
/* 5B: light typography / plum chart diptych, followed by a dark flow stage. */
.v5b{--bg:#fbf4ef;--ink:#3b2846;--muted:#685474;--accent:#78508e;--second:#ca7c54;--line:#d8c9df;--paper:#fffdfb;--wash:#f0e4ee;--head:Serif}.open-hero{display:grid;grid-template-columns:46% 54%;min-height:700px;margin:0 5%;border-bottom:1px solid var(--line)}.open-hero>.studio-intro{padding:85px 10% 70px 2%;display:flex;flex-direction:column;align-items:start;justify-content:center}.open-hero h1{font-size:clamp(62px,6vw,88px)}.open-hero .studio-intro>p{font-size:19px}.open-chart{background:#30233f;padding:65px 30px;align-self:stretch;display:flex;flex-direction:column;justify-content:center;--ink:#f7edf9;--muted:#d5c1e2;--accent:#d1b0f1;--second:#f1a278;--line:#5f4874;color:var(--ink)}.open-chart>.chart-heading{display:block;padding:0 25px}.open-chart .chart-heading h2{font:400 36px/1.2 Serif;letter-spacing:-.02em;margin-bottom:18px}.open-chart>.plot{margin:20px 0}.open-chart .replay-plot{align-self:start;margin-left:25px}.v5b .research-principle{border-top:0}.v5b .evidence-chapter{background:#30233f;--bg:#30233f;--ink:#f7edf9;--muted:#d5c1e2;--accent:#d1b0f1;--second:#f1a278;--line:#634c77;--paper:#40304f;--wash:#382a46;color:var(--ink)}.v5b .flow-demo{background:#281e36}.v5b .node-info-panel{box-shadow:0 20px 50px #160e2366}.v5b .support-enterprise{background:#e9dced}.v5b .donate-link{background:#78508e;color:#fff}.v5b .founder-section{background:#fbf4ef}.v5b .founder-photo img{border-radius:0}.v5b .complete-footer{background:#30233f;--ink:#f7edf9;--muted:#d5c1e2;--line:#634c77;color:var(--ink)}
@media(min-width:1600px){.variation main,.variation-nav,.complete-footer{max-width:1600px;margin-left:auto;margin-right:auto}.variation-nav{padding:0 6%}.node-info.population{top:23%}}
@media(max-width:1150px){.journal-composition{grid-template-columns:minmax(0,1fr) 240px;gap:25px}.source-fragment{padding:22px 18px}.source-fragment>p{font-size:18px}.chapter-heading h2{font-size:40px}.flow-demo-body{grid-template-columns:44% 56%;padding:15px}.node-info-panel{padding:17px}.founder-section,.v3b .founder-section{grid-template-columns:170px 1fr;gap:35px}.founder-photo img,.v3b .founder-photo img{width:170px;height:210px}.contact-block{grid-column:2;border:0;padding:0;display:flex;gap:20px;align-items:center}.contact-block h3{margin:0}.chart-result{grid-template-columns:1fr 270px;gap:25px}.chart-result .estimate{font-size:46px}.chart-result .result{padding:23px}.flow-demo-top>span{display:none}.edition-hero .studio-intro{padding-top:20px}.edition-hero h1{font-size:64px}.edition-paper>.paper{padding:28px}.edition-source{right:0;width:290px}.open-chart{padding:40px 20px}.open-chart>.chart-heading{padding:0 10px}.open-hero{min-height:650px}}
@media(max-width:780px){.variation-nav{height:auto;min-height:80px;flex-wrap:wrap;padding:18px 0;gap:15px}.variation-nav>span{display:none}.variation-nav nav{gap:14px;font-size:12px}.variation-nav .cta{padding:8px 12px}.variation h1{font-size:56px}.studio-intro>p{font-size:18px}.journal-composition{display:block}.journal-composition>.paper{transform:none}.journal-composition>.source-fragment{margin:25px 0 0 12%;max-width:400px}.research-principle,.learning-chapter,.support-enterprise,.edition-hero,.open-hero{display:block;padding:50px 6%;margin:0}.research-principle p{margin-top:25px}.chapter-heading{display:block}.chapter-heading p{margin-top:25px}.evidence-chapter{padding:60px 4%}.flow-demo-body{grid-template-columns:1fr}.flow-illustration{max-width:440px;margin:auto;width:100%}.info-slot{padding:10px}.node-info-panel{margin:auto}.flow-demo-caption{font-size:11px}.flow-demo-caption span:last-child{display:none}.learning-links{margin-top:30px}.enterprise-block{margin-top:50px}.founder-section,.v3b .founder-section{padding:50px 6%;grid-template-columns:120px 1fr;gap:25px}.founder-photo img,.v3b .founder-photo img{width:120px;height:150px}.founder-copy h2{font-size:22px}.founder-copy h3{font-size:25px}.contact-block{grid-column:1/-1;flex-wrap:wrap}.complete-footer{padding:35px 6% 60px}.edition-hero .studio-intro{position:static;padding:0;margin-bottom:45px}.edition-paper{margin-top:45px}.analysis-spread{padding:50px 6%}.analysis-spread>div:first-child{display:block}.analysis-spread>div:first-child p{margin-top:25px}.analysis-pair{display:block}.analysis-pair>.result{margin-top:25px}.stage-hero{padding:50px 6%}.stage-hero .studio-intro{display:block}.stage-hero .studio-intro>p{margin-top:25px}.chart-result{display:block}.chart-result>.result{max-width:350px;margin:25px auto;transform:none}.chart-heading{display:block}.chart-heading p{margin-top:12px}.writing-chapter{display:block;padding:60px 6%}.writing-chapter .journal-composition{margin-top:45px}.writing-chapter .source-fragment{margin-right:0}.open-hero>.studio-intro{padding:15px 0 40px}.open-chart{padding:40px 20px}.support-enterprise h2{font-size:30px}.node-info{width:26px;height:26px}}