:root{color-scheme:light;background:#f6f4ec;color:#243c34;--ink:#243c34;--muted:#596b61;--paper:#f6f4ec;--rule:#d4d9cd;--gold:#91723d}html{scroll-behavior:smooth;scroll-padding-top:30px}main{max-width:1680px;padding:0 4.5%}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #947336;outline-offset:5px}.skip-link{position:absolute;left:10px;top:-80px;padding:12px;background:var(--ink);color:white;z-index:30}.skip-link:focus{top:10px}.masthead{height:94px}.wordmark{text-decoration:none;font-size:28px}.brand-dot{font-size:17px;color:var(--gold);margin-left:8px;vertical-align:middle}.masthead nav{display:flex;gap:32px;align-items:center;font-size:12px}.masthead nav a{text-decoration:none}.nav-signin{border:1px solid #9faea1;padding:11px 18px;border-radius:2px}.nav-signin span{margin-left:17px}.theater{border-color:#bac6b7;box-shadow:none;color:#eae9df}.transport{color-scheme:dark;min-height:49px;padding:6px 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h2{font-size:clamp(31px,3vw,42px)}.hero-action{display:flex;flex-direction:column;align-items:flex-start;justify-self:end;gap:15px}.action{display:inline-flex;gap:35px;justify-content:space-between;align-items:center;background:var(--ink);color:#fbf8ef;padding:17px 23px;text-decoration:none;font-size:13px;border-radius:2px;transition:background .2s,transform .2s}.action:hover{background:#365445;transform:translateY(-2px)}.hero-action>span{font-size:11px;color:var(--muted)}.quiet-link{font-size:12px;color:var(--muted);margin-top:14px;text-decoration:none}.story{padding:90px 8%;display:grid;grid-template-columns:1fr 2fr;gap:80px;border-bottom:1px solid var(--rule)}.story-number{font:italic 70px Georgia,serif;color:#bcc6b5}.story h2{font-size:clamp(31px,3vw,43px)}.story .story-emphasis{color:var(--ink)!important}.possibilities{padding:85px 5% 30px}.section-heading{margin-bottom:65px}.feature{display:grid;grid-template-columns:1fr 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solid #9cab88}.branch-lines i:first-child{border-left:1px solid #9cab88;border-radius:0 0 0 15px}.branch-lines i:nth-child(2){border-left:1px solid #9cab88;margin-left:16%;margin-right:16%}.branch-lines i:last-child{border-right:1px solid #9cab88;border-radius:0 0 15px 0}.shared{margin:20px auto 0;text-align:center;background:#344c3d;color:#f3f4e5;padding:19px 10px;font:21px Georgia,serif;position:relative}.shared:before{content:'';position:absolute;height:20px;top:-20px;left:50%;border-left:1px solid #9cab88}.shared span{display:block;font:10px/1.7 Arial,sans-serif;color:#d0dcc3;margin-top:9px}.example-note{font-size:10px;text-align:center;color:#6d795f;margin:18px 0 0}.evidence-example{border:1px solid #d7dacd;background:#efeee3}.archive-detail{height:160px;background-image:linear-gradient(transparent,#29352a33),url('assets/archive.webp');background-size:230%;background-position:4% 43%}.evidence-body{padding:24px}.evidence-row{display:flex;gap:13px;align-items:flex-start;padding:20px 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1fr;gap:10%;align-items:center;padding:100px 8%;border-bottom:1px solid var(--rule)}.research-note{background:#eeede1;border:1px solid #dcdcca;padding:30px;transform:rotate(1deg)}.note-top{font-size:9px;letter-spacing:1.5px;color:#8b754a}.research-note h3{font-size:30px}.research-note dl{margin:0}.research-note dl>div{display:grid;grid-template-columns:100px 1fr;gap:10px;padding:13px 0;border-top:1px solid #d8dac8;font-size:11px;line-height:1.7}.research-note dt{color:#40543d}.research-note dd{margin:0;color:#6b775e}.note-bottom{display:block;margin-top:15px;font-size:9px;color:#7b836c}.trust{display:grid;grid-template-columns:1fr 1.3fr;gap:9%;padding:85px 8%}.faq details{border-bottom:1px solid var(--rule);padding:20px 0}.faq details:first-child{padding-top:0}.faq summary{font-size:14px;line-height:1.6;cursor:pointer;list-style:none;display:flex;gap:18px;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';font-size:18px;color:#7c895f}.faq details[open] summary:after{content:'−'}.faq p{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:0}.begin{padding:72px 20px;text-align:center;background:#e9ecdf}.begin h2{font-size:clamp(37px,4vw,55px)}.begin>p:last-child{font-size:11px;color:#74816a;margin-top:16px}.transcript{font-size:11px;margin:22px 0;color:#6e7c66;max-width:900px}.transcript summary{color:#69775e}.site-footer{display:flex;align-items:center;gap:30px;flex-wrap:wrap;border-top:1px solid var(--rule);padding:30px 0 40px}.site-footer .wordmark{font-size:24px}.site-footer>span{font-size:11px;color:#78836d}.site-footer nav{display:flex;gap:23px;margin-left:auto;font-size:11px;color:#687760}.site-footer nav a{text-decoration:none}.theater:fullscreen .world{height:100%;top:0}.theater:fullscreen .viewport{aspect-ratio:1672/941}@media(max-width:800px){.story{gap:30px;padding:65px 4%}.feature{gap:5%}.useful{padding:60px 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15px}.section-heading{margin-bottom:35px}.feature{grid-template-columns:1fr;gap:30px;margin-bottom:50px}.feature-copy h3{font-size:31px}.feature.alternate .feature-copy{order:-1}.feature-copy p{font-size:14px}.useful{margin:0 -16px;padding:45px 20px;grid-template-columns:1fr;gap:27px}.sample-label{margin-top:17px}.output-choice{padding:9px 10px}.output-choice button{min-height:44px;font-size:11px;padding:8px 6px}.demo-content{padding:23px 20px;min-height:260px}.demo-content h3{font-size:27px}.demo-content blockquote{font-size:22px}.demo-footer{padding:13px 20px;line-height:1.7}.new-thoughts{grid-template-columns:1fr;padding:50px 4px;gap:25px}.research-note{padding:24px;transform:none}.trust{grid-template-columns:1fr;gap:22px;padding:48px 4px}.trust h2{font-size:33px}.faq summary{min-height:30px}.begin{padding:46px 16px}.begin .kicker{font-size:9px;line-height:1.6}.site-footer{gap:15px}.site-footer nav{margin-left:0;width:100%;padding-top:5px}.site-footer>span{margin-left:auto}.below{display:flex}.transport{padding:6px 10px}.transport button{min-height:44px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.action{transition:none}}

.health-picture{padding:80px 8%;border-bottom:1px solid var(--rule)}.picture-intro{max-width:760px}.picture-intro>p:not(.kicker){font-size:15px;line-height:1.85;color:var(--muted);max-width:650px}.knowledge-process{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;list-style:none;padding:0;margin:38px 0 0}.knowledge-process li{border-top:1px solid #aebba3;padding-top:20px}.process-number{font:italic 24px Georgia,serif;color:var(--gold)}.knowledge-process h3{font-size:25px;margin:15px 0}.knowledge-process p{font-size:13px;line-height:1.8;color:var(--muted)}.hero-action>span{max-width:290px;line-height:1.7}.feature-copy h3 em{font-weight:400;color:#5c755c}@media(max-width:650px){.health-picture{padding:45px 4px}.knowledge-process{grid-template-columns:1fr;gap:20px;margin-top:25px}.picture-intro>p:not(.kicker){font-size:14px}.knowledge-process h3{margin:10px 0}.begin h2{font-size:35px}}
.connections-example .branch-lines{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;height:64px;margin:0;position:relative}
.connections-example .branch-lines i{position:relative;border:0;border-radius:0;margin:0;min-width:0}
.connections-example .branch-lines i:before{content:'';position:absolute;left:50%;top:0;height:32px;border-left:1px solid #849772}
.connections-example .branch-lines i:nth-child(2):before{height:62px}
.connections-example .branch-lines i:first-child:after{content:'';position:absolute;left:50%;right:calc(-50% - 8px);top:32px;border-top:1px solid #849772}
.connections-example .branch-lines i:last-child:after{content:'';position:absolute;right:50%;left:calc(-50% - 8px);top:32px;border-top:1px solid #849772}
.connections-example .branch-lines:after{content:'';position:absolute;left:50%;bottom:2px;width:8px;height:8px;border-right:1px solid #849772;border-bottom:1px solid #849772;transform:translateX(-50%) rotate(45deg)}
.connections-example .shared{margin-top:0}
.connections-example .shared:before{display:none}

/* Shared M mark and accessible editorial palette. */
:root{--gold:#795c2f}
.page-shell{max-width:1680px;margin:auto;padding:0 4.5%}
main{max-width:none;padding:0;margin:0}
.wordmark{display:inline-flex;align-items:center;gap:9px;font:700 22px/1.2 Arial,sans-serif;letter-spacing:-.5px;white-space:nowrap}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;flex:none;width:28px;height:28px;border:2px dashed currentColor;border-radius:7px;color:#243c34;font:700 13px/1 Arial,sans-serif;letter-spacing:0}
.site-footer .wordmark{font-size:22px}
.below,.feature-copy .feature-detail,.example-heading,.findings small,.example-note,
.evidence-row small,.output-choice button,.demo-footer,.research-note dd,.note-bottom,
.begin>p:last-child,.transcript,.transcript summary,.site-footer>span,.site-footer nav{color:#52634f}
.note-top{color:var(--gold)}
.demo-overline{color:var(--gold)!important}
.story-number{color:#74816b}
.kicker,.index,.example-heading,.example-heading span:last-child,.findings small,
.example-note,.shared span,.evidence-row small,.sample-label,.demo-footer,
.note-top,.note-bottom,.site-footer>span,.site-footer nav,.below>span{font-size:12px;line-height:1.6}
.demo-overline{font-size:12px!important}
.research-note dl>div{font-size:13px}
.transcript{font-size:14px;margin:12px 0 24px}
.transcript summary{display:list-item;width:fit-content;min-height:44px;padding:11px 0}
.transport button{min-width:44px;min-height:44px;font-size:12px}
input[type=range]{min-height:28px}
.output-choice button{font-size:13px;min-height:44px}
.masthead nav a,.site-footer nav a,.quiet-link{display:inline-flex;align-items:center;min-height:44px}
.faq summary{min-height:44px;align-items:center}
:is(a,button,input,summary):focus-visible{outline:3px solid #795c2f;outline-offset:4px;box-shadow:0 0 0 2px #fffef8}
.theater :is(button,input):focus-visible{outline-color:#ffe2a3;box-shadow:0 0 0 2px #0c1518}
.connections-example .branch-lines i:before,.connections-example .branch-lines i:after,.connections-example .branch-lines:after{border-color:#667a54}
.captions:not(:empty){background:#07151b;color:white;font-size:clamp(14px,1.3cqw,19px)}
.feature>*,.new-thoughts>*,.findings>span{min-width:0;overflow-wrap:anywhere}
@media(max-width:650px){
 .page-shell{padding:0 16px}
 main{padding:0}
 .wordmark{font-size:19px;gap:6px}
 .masthead{height:auto;min-height:85px;flex-wrap:wrap;padding:12px 0;gap:4px 12px}
 .masthead nav{margin-left:auto}
 .begin .kicker{font-size:12px}
 .research-note dl>div{grid-template-columns:1fr;gap:2px}
 .site-footer>span{margin-left:0}
}

/* Readability baseline: comfortable text at normal zoom, including supporting copy. */
.hero-summary p:not(.kicker),.story p:not(.kicker),.feature-copy p,.feature-copy .feature-detail,
.useful-intro>p:not(.kicker),.new-thoughts>div>p:not(.kicker),.trust>div>p:not(.kicker),
.picture-intro>p:not(.kicker),.knowledge-process p,.demo-content p,.demo-content li,.faq p,.transcript{
 font-size:18px;line-height:1.7;
}
.kicker,.begin .kicker,.index,.example-heading,.example-heading span:last-child,.findings small,
.example-note,.shared span,.evidence-row small,.sample-label,.demo-footer,.note-top,.note-bottom,
.site-footer>span,.site-footer nav,.below>span,.hero-action>span,.quiet-link,.text-action,
.action,.masthead nav,.output-choice button,.research-note dl>div,.faq summary,.begin>p:last-child,
.demo-diagram span,.transport button,.transport output{font-size:16px;line-height:1.6}
.demo-overline{font-size:16px!important}
.hero-action>span{max-width:340px}
.research-note dl>div{grid-template-columns:1fr;gap:4px}
.findings>span{font-size:18px}
.kicker,.index,.note-top{letter-spacing:1px}
.transport{flex-wrap:wrap;gap:12px}
.transport .seek-label{min-width:90px}
@media(max-width:800px){.hero-summary{grid-template-columns:1fr}.hero-action{justify-self:start}}
@media(max-width:650px){.masthead nav{gap:12px}.nav-signin{padding:8px}.output-choice{gap:8px}.findings>span{padding:14px 4px}.findings small{font-size:16px}.site-footer>span{margin-left:0}}