@font-face{font-family:Libre;src:url(/fonts/libre-franklin-latin-600-normal.woff2)format("woff2");font-display:swap;font-weight:600}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:#082c3d;background:#f7f8f4;margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:inherit;text-underline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #bd4e26}h1,h2,h3,p,figure{margin:0}h1,h2,h3{letter-spacing:-.045em;font-family:Libre,Arial,Helvetica,sans-serif;font-weight:600;line-height:1.12}h1{font-size:clamp(42px,6vw,88px)}h2{font-size:clamp(30px,3.3vw,46px)}h3{font-size:24px}p+p{margin-top:18px}ul{padding-left:20px}img{max-width:100%;display:block}main:focus{outline:none}main{min-height:60vh}.wrap{width:min(1360px,100% - 96px);margin-inline:auto}section,article,div,aside,nav,form,fieldset{min-width:0}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:#fff;padding:12px 24px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:16px}.prototype-notice{color:#fff;text-align:center;letter-spacing:.012em;background:#082c3d;padding:11px 24px;font-size:12px;line-height:1.5}.site-header{background:#fff;border-bottom:1px solid #ccd6d5}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:106px;display:flex}.brand{flex-shrink:0;align-items:center;width:245px;text-decoration:none;display:inline-flex}.brand img{width:100%;height:auto}.desktop-nav{align-items:center;gap:27px;display:flex}.desktop-nav a{white-space:nowrap;padding:18px 0;font-size:13px;font-weight:600;text-decoration:none;position:relative}.desktop-nav a[aria-current=page]:after{content:"";background:#b34725;height:2px;position:absolute;bottom:6px;left:0;right:0}.desktop-nav a:hover{color:#a13c19}.header-end{align-items:center;gap:22px;display:flex}.header-namelifter{flex-direction:column;gap:4px;display:flex}.header-namelifter>span{letter-spacing:.1em;text-transform:uppercase;color:#50646a;font-size:10px}.namelifter{align-items:center;width:125px;display:inline-flex}.namelifter img{width:100%;height:auto}.sale-button{color:#082c3d;white-space:nowrap;background:0 0;border:0;border-left:1px solid #cad3d3;align-items:center;gap:8px;min-height:44px;padding:8px 0 8px 20px;font-size:12px;font-weight:600;display:flex}.arrow{vertical-align:middle;flex-shrink:0}.menu-toggle{color:#082c3d;background:0 0;border:1px solid #9aaeb0;align-items:center;gap:10px;min-height:44px;padding:7px 12px;display:none}.kicker{letter-spacing:.14em;text-transform:uppercase;font-size:11px;font-weight:600;line-height:1.55}.fine{color:#50646a;font-size:12px;line-height:1.7}.lead{color:#39545d;max-width:760px;font-size:20px;line-height:1.65}.button{color:#fff;letter-spacing:.01em;background:#0b5963;border:1px solid #0b5963;justify-content:center;align-items:center;gap:25px;min-height:50px;padding:14px 23px;font-size:13px;font-weight:600;line-height:1.5;text-decoration:none;display:inline-flex}.button:hover{background:#083e47}.button.secondary{color:#082c3d;background:0 0;border-color:#738b90}.button.secondary:hover{background:#e9eeea}.button.light{color:#082c3d;background:#fff;border-color:#fff}.text-link{border-bottom:1px solid #6a8086;align-items:center;gap:14px;padding-bottom:8px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.text-button{color:#082c3d;text-underline-offset:5px;background:0 0;border:0;min-height:44px;padding:10px 0;font-size:13px;text-decoration:underline}.citation{letter-spacing:.015em;border-bottom:1px solid #a8b6b6;align-items:center;gap:9px;margin-top:18px;padding:5px 0;font-size:11px;line-height:1.5;text-decoration:none;display:inline-flex}.citation .arrow{width:14px}.hero{padding:36px 0 70px}.hero-top{justify-content:space-between;align-items:center;gap:16px;margin-bottom:38px;display:flex}.hero-top .kicker{align-items:center;gap:10px;display:flex}.status-dot{background:#bb4e27;border-radius:50%;flex-shrink:0;width:7px;height:7px;display:block}.edition{color:#50646a;white-space:nowrap;font-size:11px}.hero-grid{grid-template-columns:5fr 7fr;align-items:stretch;gap:64px;display:grid}.hero h1{letter-spacing:-.055em;font-size:clamp(70px,7.7vw,112px);line-height:.97}.hero h1 em{color:#a83f20;font-style:normal}.hero-copy>p{max-width:360px;margin:28px 0;font-size:20px;line-height:1.6}.hero-foot{border-top:1px solid #b9c8c8;align-items:center;gap:24px;margin-top:44px;padding-top:26px;display:flex}.element-tile{color:#0b5963;border:1px solid #0b5963;flex-direction:column;flex-shrink:0;width:80px;height:88px;padding:8px 10px;line-height:1;display:flex}.element-tile small{font-size:10px}.element-tile b{font-size:38px;font-weight:400;line-height:1.25}.element-tile>span{letter-spacing:.05em;font-size:9px}.hero-foot p{color:#50646a;font-size:11px;line-height:1.85}.hero-foot strong{color:#082c3d;font-weight:400}.hero-visual{flex-direction:column;align-self:stretch;display:flex}.hero-visual>.photo{margin-top:2px}.hero-visual .photo img{aspect-ratio:1.5;object-fit:cover}.photo{margin:0}.photo img{background:#dde5e2;width:100%;height:auto}.photo figcaption{color:#38545c;gap:12px;padding-top:12px;font-size:12px;line-height:1.55;display:flex}.photo-index{letter-spacing:.06em;color:#0b5963;border-top:1px solid #748b90;min-width:24px;padding-top:4px;font-size:10px}.photo figcaption>span:last-child{flex-direction:column;gap:7px;display:flex}.photo figcaption small{color:#52676e;font-size:11px;line-height:1.6}.photo figcaption a{color:#48616a;font-size:10px;text-decoration:none}.photo figcaption a:hover{text-decoration:underline}.visual-note{background:#e7ede9;border-left:3px solid #0b5963;flex-direction:column;flex-grow:1;justify-content:center;margin-top:28px;padding:25px 28px;display:flex}.visual-note>p{letter-spacing:-.03em;margin:12px 0;font-size:23px;line-height:1.4}.visual-note .fine{max-width:420px}.pathways{border-top:1px solid #b9c8c8;grid-template-columns:4fr 8fr;gap:85px;padding:65px 0 85px;display:grid}.pathways-intro h2{margin:18px 0 22px}.pathways-intro>p:not(.kicker){color:#425d65;max-width:330px;font-size:15px}.pathways-intro .text-link{margin-top:26px}.pathway-list{border-top:1px solid #b9c8c8}.pathway-row{border-bottom:1px solid #b9c8c8;grid-template-columns:50px minmax(0,1fr) 24px;align-items:center;gap:22px;padding:25px 0;text-decoration:none;transition:background .15s;display:grid}.pathway-row:hover{background:#edf1ec}.pathway-number{color:#a83f20;align-self:start;padding-top:1px;font-size:19px}.pathway-row.teal .pathway-number{color:#0b5963}.pathway-row h3{letter-spacing:-.04em;margin-bottom:7px;font-size:25px}.pathway-row p{color:#52676e;max-width:570px;font-size:13px;line-height:1.6}.energy-feature{background:#e6eee9;padding:62px 0}.energy-grid{grid-template-columns:7fr 5fr;align-items:center;gap:65px;display:grid}.energy-grid>div{padding-right:20px}.energy-grid h2{margin:18px 0 22px;font-size:clamp(30px,3.2vw,44px)}.energy-grid>div>p:not(.kicker):not(.fine){color:#38545c}.energy-grid .text-link{margin:24px 0 28px}.energy-grid .photo img{aspect-ratio:1.65;object-fit:cover}.flow-section{padding:85px 0}.section-label{border-top:1px solid #b9c8c8;justify-content:space-between;align-items:center;gap:14px;margin-bottom:34px;padding-top:16px;display:flex}.section-label>span:last-child:not(:first-child){color:#52676e;font-size:11px}.flow-intro{grid-template-columns:1fr 1fr;gap:90px;margin-bottom:40px;display:grid}.flow-intro p{color:#38545c;font-size:15px}.flow-system{grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:center;display:grid}.flow-module{background:#e7ede9;border:1px solid #839a9a;flex-direction:column;justify-content:center;min-height:205px;padding:30px;display:flex}.flow-module span{letter-spacing:.1em;text-transform:uppercase;font-size:10px}.flow-module strong{letter-spacing:-.04em;font-size:40px;font-weight:400;line-height:1.7}.flow-module p{color:#38545c;max-width:240px;font-size:12px}.flow-module.stack{color:#fff;background:#082c3d;border-color:#082c3d}.flow-module.stack p{color:#d3e1df}.flow-module.interface{background:#f2ece4;border-color:#a83f20}.flow-connector{text-align:center;color:#0b5963;font-size:28px}.flow-foot{justify-content:space-between;align-items:flex-start;gap:50px;margin-top:24px;display:flex}.flow-foot p{color:#50646a;max-width:780px;font-size:12px}.flow-foot .citation{flex-shrink:0;max-width:245px;margin:0}.scope-invite{color:#fff;background:#0b5963;grid-template-columns:7fr 5fr;gap:70px;padding:56px 60px;display:grid}.scope-invite h2{margin:15px 0 22px;font-size:clamp(34px,4vw,53px)}.scope-invite p{color:#dae8e5;max-width:460px;font-size:16px}.scope-invite .button{margin-top:28px}.scope-preview{border:1px solid #71a7aa;align-self:center;padding:38px}.scope-preview>span{letter-spacing:.12em;font-size:10px}.scope-preview>strong{letter-spacing:-.06em;font-size:60px;font-weight:400;line-height:1.8;display:block}.thin-line{background:#71a7aa;height:1px;margin-bottom:15px}.scope-preview>p{font-size:13px}.scope-preview ul{color:#dae8e5;margin-bottom:0;padding:0;font-size:11px;list-style:none}.scope-preview li:before{content:"— ";color:#c7dedb}.name-section{grid-template-columns:1fr 1fr;gap:90px;padding:90px 0 60px;display:grid}.name-section h2{margin-top:20px}.name-section>div>p{color:#38545c;font-size:15px}.name-section>div>p strong{color:#082c3d}.name-section .citation{margin-bottom:22px}.name-section .text-link{margin-top:22px}.photo-notice{color:#52676e;border-top:1px solid #c3cfcc;margin-bottom:38px;padding:22px 0;font-size:11px;line-height:1.8}.chapter-heading{padding:32px 0 36px}.chapter-breadcrumb{color:#50646a;gap:13px;margin-bottom:45px;font-size:11px;display:flex}.chapter-breadcrumb a{text-decoration:none}.chapter-title{grid-template-columns:120px 1fr;gap:42px;display:grid}.chapter-number{letter-spacing:-.05em;color:#a83f20;border-top:3px solid #a83f20;padding-top:12px;font-size:90px;line-height:1}.chapter-number.teal{color:#0b5963;border-color:#0b5963}.chapter-title .kicker{margin-bottom:15px}.chapter-title h1{max-width:1000px;font-size:clamp(44px,5.8vw,80px)}.chapter-title .lead{max-width:900px;margin-top:24px;font-size:19px}.question-rail{border-block:1px solid #b9c8c8;grid-template-columns:repeat(3,1fr);margin-top:38px;display:grid}.question-rail>span{border-right:1px solid #b9c8c8;align-items:center;gap:20px;padding:17px 20px;font-size:13px;display:flex}.question-rail>span:first-child{padding-left:0}.question-rail>span:last-child{border:0}.question-rail small{color:#a83f20;font-size:10px}.guide-layout{grid-template-columns:195px minmax(0,1fr);gap:60px;padding:18px 0 80px;display:grid}.guide-nav{align-self:start;font-size:12px;position:sticky;top:25px}.guide-nav nav{border-top:1px solid #c1cecb;flex-direction:column;margin-top:20px;display:flex}.guide-nav nav a{border-bottom:1px solid #c1cecb;align-items:center;gap:12px;padding:13px 0;font-size:12px;text-decoration:none;display:flex}.guide-nav nav a>span{color:#677d83;font-size:10px}.guide-nav nav a>.arrow{width:14px;margin-left:auto}.guide-nav nav a[aria-current=page]{color:#a83f20;font-weight:600}.guide-tool{border-top:2px solid #0b5963;align-items:center;gap:15px;margin-top:30px;padding-top:14px;line-height:1.65;text-decoration:none;display:flex}.fact-band{color:#fff;background:#082c3d;padding:30px 34px}.fact-band p{max-width:850px;margin-top:12px;font-size:18px;line-height:1.6}.fact-band .citation{color:#d6e4e1;border-color:#64818a}.chapter-disclosure{color:#52676e;border-bottom:1px solid #c1cecb;margin:0 0 38px;padding:15px 0 24px;font-size:11px}.observation{border-bottom:1px solid #c1cecb;grid-template-columns:4fr 5fr;align-items:center;gap:34px;margin:0 0 46px;padding:0 0 46px;display:grid}.observation h2{margin:14px 0 18px;font-size:30px;line-height:1.2}.observation-copy>p{color:#38545c;font-size:14px;line-height:1.8}.observation-copy .request{color:#0b5963;border-left:2px solid #a83f20;margin-top:25px;padding-left:16px;font-size:12px}.observation-1{grid-template-columns:5fr 4fr}.observation-1 .observation-copy{order:2}.observation-1 .photo{order:1}.observation-2{display:block}.observation-2 .observation-copy{grid-template-columns:1fr 1fr;gap:0 35px;margin-bottom:25px;display:grid}.observation-2 .observation-copy>.kicker{grid-column:1/-1}.observation-2 .observation-copy>h2{grid-column:1;margin-bottom:0}.observation-2 .observation-copy>p:not(.kicker):not(.request){grid-area:2/2/4;margin-top:12px}.observation-2 .observation-copy>.request{grid-column:1;font-size:11px}.observation-2 .photo{max-width:100%}.observation-3{grid-template-columns:4fr 5fr}.observation-4{grid-template-columns:5fr 4fr}.observation-4 .observation-copy{order:2}.observation-4 .photo{order:1}.chapter-materials .observation-0 .photo{justify-self:center;max-width:350px}.chapter-testing .observation-1 .photo,.chapter-testing .observation-3 .photo{justify-self:center;max-width:315px}.chapter-grid .observation-2{grid-template-columns:1fr 1fr;display:grid}.chapter-grid .observation-2 .observation-copy{margin:0;display:block}.chapter-grid .observation-2 .photo{justify-self:center;max-width:335px}.chapter-grid .observation-3 .photo,.chapter-grid .observation-4 .photo{justify-self:center;max-width:320px}.chapter-recovery .observation-1 .photo{justify-self:center;max-width:330px}.chapter-conclusion{max-width:700px;padding:20px 0 42px}.chapter-conclusion h2{margin:15px 0 20px}.chapter-conclusion>p:not(.kicker){color:#38545c;font-size:15px}.chapter-conclusion .button{margin-top:25px}.chapter-next{border-top:1px solid #b9c8c8;grid-template-columns:1fr 1fr;gap:25px;padding-top:25px;display:grid}.chapter-next a{flex-direction:column;gap:7px;text-decoration:none;display:flex}.chapter-next a:last-child{text-align:right}.chapter-next span{text-transform:uppercase;letter-spacing:.09em;color:#52676e;font-size:10px}.chapter-next strong{font-size:16px;font-weight:400}.page-heading{padding:65px 0 55px}.page-heading .kicker{margin-bottom:25px}.page-heading h1{max-width:1000px;font-size:clamp(42px,5.7vw,79px)}.page-heading .lead{margin-top:28px}.scope-layout{grid-template-columns:1fr 1fr;gap:65px;padding:10px 0 85px;display:grid}.scope-form{background:#fff;border:1px solid #b9c8c8;padding:33px}.form-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;display:flex}.local-tag{color:#0b5963;white-space:nowrap;background:#e4eeea;padding:4px 8px;font-size:10px}.scope-form>label{margin-bottom:8px;font-size:14px;font-weight:600;display:block}input,select,textarea{color:#082c3d;background:#fff;border:1px solid #7a9298;border-radius:0;width:100%;min-width:0;min-height:46px;padding:11px;line-height:1.5}select{padding-right:20px;font-size:13px}textarea{resize:vertical}.field-help{color:#52676e;margin-top:12px;font-size:11px;line-height:1.7}.scenario-grid{grid-template-columns:1fr 1fr;gap:24px;margin:32px 0 15px;display:grid}.scenario-grid fieldset{border:0;border-top:2px solid #0b5963;margin:0;padding:18px 0 0}.scenario-grid fieldset:last-child{border-color:#a83f20}.scenario-grid legend{padding:0 5px 0 0;font-size:14px;font-weight:600}.scenario-grid legend span{font-size:11px;font-weight:400}.scenario-grid label{justify-content:space-between;align-items:center;gap:10px;margin-bottom:7px;font-size:12px;display:flex}.scenario-grid label span{color:#52676e;font-size:10px}.scenario-grid input{margin-bottom:15px}.records{border:0;border-top:1px solid #b9c8c8;margin:34px 0 28px;padding:22px 0 0}.records legend{letter-spacing:.1em;text-transform:uppercase;padding:0 10px 0 0;font-size:11px;font-weight:600}.records>.field-help{margin:0 0 14px}.check{align-items:center;gap:12px;min-height:44px;font-size:13px;display:flex}.check input{accent-color:#0b5963;flex-shrink:0;width:18px;height:18px;min-height:18px;margin:0}.actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.actions .button{gap:12px;padding:12px 16px;font-size:12px}.scope-output>.kicker{margin-bottom:24px}.formula{background:#e5ede8;border-left:3px solid #0b5963;padding:26px 30px}.formula>span{letter-spacing:.08em;text-transform:uppercase;font-size:11px}.formula>strong{letter-spacing:-.04em;font-size:40px;font-weight:400;line-height:1.8;display:block}.formula>p{color:#38545c;font-size:12px}.status{color:#38545c;min-height:42px;margin-top:20px;font-size:12px}.empty-result{border-bottom:1px solid #c1cecb;padding:25px 0}.empty-symbol{color:#a83f20;font-size:45px;line-height:1;display:block}.empty-result h2{margin:12px 0;font-size:27px}.empty-result p{color:#52676e;font-size:14px}.export-actions{margin:25px 0}.results{padding-top:16px}.results:focus{outline:none}.result-values{grid-template-columns:1fr 1fr;gap:24px;display:grid}.result-values>div{border-top:2px solid #0b5963;padding:16px 0}.result-values>div+div{border-color:#a83f20}.result-values span{text-transform:uppercase;letter-spacing:.1em;font-size:11px}.result-values strong{overflow-wrap:anywhere;font-size:35px;font-weight:400;line-height:1.5;display:block}.result-values strong small{font-size:16px}.result-values p{color:#52676e;font-size:12px}.difference{background:#edf0e9;margin:10px 0 25px;padding:18px;font-size:13px}.results h2{margin:28px 0 15px;font-size:24px}.results>p{font-size:14px}.missing{color:#38545c;padding:0;font-size:13px;list-style:none}.missing li{border-bottom:1px solid #cad4d0;padding:10px 0}.missing li:before{content:"+ ";color:#a83f20;margin-right:7px}.study-note{border-left:2px solid #0b5963;margin-top:25px;padding-left:18px}.study-note strong{font-size:12px}.study-note p{color:#38545c;margin-top:8px;font-size:13px}.assumptions{border-top:1px solid #b9c8c8;margin-top:26px;padding-top:24px}.assumptions h2{margin-bottom:16px;font-size:22px}.assumptions p{color:#52676e;font-size:12px}.error-box{color:#80301a;background:#fff3eb;border:1px solid #a83f20;margin:20px 0;padding:18px;font-size:12px}.error-box:focus{outline-offset:3px;outline:2px solid #a83f20}.error-box ul{margin-bottom:0}.export-text{font-size:12px;display:block}.export-text textarea{margin-top:10px;font-family:monospace;font-size:11px}.source-layout{grid-template-columns:1fr 2fr;gap:100px;padding:20px 0 75px;display:grid}.source-layout aside{border-top:2px solid #0b5963;padding-top:25px}.source-layout aside h2{font-size:25px}.reading-key{font-size:13px}.reading-key dt{margin-top:24px;font-weight:600}.reading-key dd{color:#52676e;margin:7px 0 0}.source-list article{border-top:1px solid #b9c8c8;grid-template-columns:35px minmax(0,1fr);gap:25px;padding:30px 0;display:grid}.source-number{color:#a83f20;font-size:12px}.source-list h2{margin:13px 0;font-size:26px;line-height:1.3}.source-list h2 a{text-decoration:none}.source-list p:not(.kicker){color:#52676e;font-size:14px}.photo-credits{padding-bottom:75px}.photo-credits>h2{margin-bottom:25px}.photo-credits>.photo-notice{border:0;margin-bottom:20px;padding:0}.photo-credits>p{color:#52676e;max-width:950px;font-size:13px}.credit-list{grid-template-columns:repeat(3,1fr);gap:0 35px;margin-top:35px;display:grid}.credit-list>div{border-top:1px solid #c1cecb;gap:15px;padding:20px 0;display:flex}.credit-list>div>span{color:#a83f20;padding-top:2px;font-size:10px}.credit-list a{align-items:center;gap:8px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex}.credit-list a .arrow{width:12px}.credit-list p{color:#52676e;margin-top:7px;font-size:11px;line-height:1.65}.credit-list .credit-path{color:#0b5963;margin-top:8px;font-size:10px;font-weight:400;text-decoration:underline}.about-grid{grid-template-columns:1fr 1fr;align-items:center;gap:80px;padding:30px 0 65px;display:grid}.about-mark{background:#e5ede8;flex-direction:column;justify-content:center;align-items:center;min-height:320px;padding:35px;display:flex}.about-mark .brand{width:100%;max-width:490px}.about-mark>span{letter-spacing:.1em;text-align:center;margin-top:10px;font-size:9px}.about-grid h2{margin-bottom:22px}.about-grid p{color:#38545c;font-size:15px}.about-grid .citation{margin-bottom:22px}.concept-uses{padding:25px 0 60px}.concept-uses h2{margin:18px 0 30px}.use-grid{grid-template-columns:repeat(3,1fr);gap:40px;display:grid}.use-grid article{border-top:2px solid #0b5963;padding-top:22px}.use-grid span{color:#a83f20;font-size:12px}.use-grid h3{margin:14px 0 18px;font-size:27px}.use-grid p{color:#52676e;font-size:14px}.disclosure-grid{grid-template-columns:1fr 1fr;gap:80px;padding:25px 0 85px;display:grid}.disclosure-grid>div{border-top:1px solid #b9c8c8;padding-top:25px}.disclosure-grid h2{margin-bottom:22px;font-size:28px}.disclosure-grid p{color:#52676e;font-size:14px}.disclosure-grid .button{margin:25px 0 15px}footer{background:#fff;border-top:1px solid #b9c8c8;padding:45px 0 20px}.footer-top{grid-template-columns:2fr 1fr 1fr;gap:70px;padding-bottom:40px;display:grid}.footer-identity .brand{width:300px;max-width:100%;margin-bottom:8px}.footer-identity>p{margin-top:0;font-size:14px}.footer-identity>.fine{max-width:320px;margin-top:12px;font-size:11px}.footer-top h2{text-transform:uppercase;letter-spacing:.1em;margin:18px 0 20px;font-size:11px}.footer-top nav{flex-direction:column;gap:10px;display:flex}.footer-top nav a,.footer-top nav button{font-size:12px;line-height:1.7;text-decoration:none}.footer-top nav button{text-align:left;color:#082c3d;background:0 0;border:0;width:fit-content;min-height:24px;padding:0}.footer-top nav a:hover{text-decoration:underline}.namelifter-panel{border-block:1px solid #c1cecb;grid-template-columns:210px 1fr auto;align-items:center;gap:35px;padding:25px 0;display:grid}.namelifter-panel>.namelifter{width:210px}.namelifter-panel>div>a{text-decoration:none}.namelifter-panel h2{letter-spacing:-.02em;font-size:17px}.namelifter-panel p{color:#52676e;margin-top:6px;font-size:11px}.namelifter-panel .button{font-size:12px}.footer-legal{grid-template-columns:1fr auto;gap:9px 30px;padding:26px 0 12px;display:grid}.footer-legal>strong{grid-column:1/-1;font-size:14px;font-weight:600}.footer-legal>p{color:#52676e;margin:0;font-size:10px}.footer-legal .fine{grid-column:1/-1;max-width:850px;font-size:10px}.modal{color:#082c3d;background:#f7f8f4;border:0;width:calc(100% - 32px);max-width:560px;max-height:calc(100dvh - 32px);padding:0;overflow:auto;box-shadow:0 20px 70px #00101c55}.modal::backdrop{background:#03232ed9}.modal[data-fallback=true]{z-index:1000;margin:0;position:fixed;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 0 0 200vmax #03232ed9}.modal-inner{padding:30px 35px 35px}.modal-top{border-bottom:1px solid #b9c8c8;justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px;padding-bottom:15px;display:flex}.modal-top .kicker{font-size:9px}.icon-button{color:#082c3d;background:0 0;border:1px solid #839a9a;flex-shrink:0;width:44px;height:44px;font-size:28px;line-height:1}.modal h2{margin:12px 0 18px;font-size:36px}.modal p:not(.kicker){color:#38545c;font-size:14px;line-height:1.7}.modal .sale-domain{color:#a83f20;overflow-wrap:anywhere;font-size:21px}.modal .button{margin-top:24px}.modal .fine{margin-top:18px;font-size:11px!important}.modal .text-button{margin-top:14px}.modal .actions{margin-top:10px}.menu-dialog{max-width:550px}.menu-dialog .brand{width:270px;max-width:100%}.menu-dialog nav{flex-direction:column;margin:20px 0 30px;display:flex}.menu-dialog nav>a{border-top:1px solid #b9c8c8;justify-content:space-between;gap:15px;padding:16px 0;font-size:19px;text-decoration:none;display:flex}.mobile-branding{justify-content:space-between;align-items:center;gap:22px;display:flex}.mobile-branding>.namelifter{width:130px}.mobile-branding .button{margin:0;padding:10px;font-size:11px}.chapter-body .photo img{object-fit:contain}@media (width>=1500px){.header-inner{gap:34px}.desktop-nav{gap:33px}}@media (width<=1250px){.wrap{width:calc(100% - 64px)}.header-inner{gap:20px}.brand{width:220px}.desktop-nav{gap:20px}.desktop-nav a{font-size:12px}.header-end{gap:15px}.header-namelifter .namelifter{width:100px}.sale-button{padding-left:15px;font-size:11px}.hero-grid{gap:38px}.hero h1{font-size:91px}.pathways{gap:50px}.energy-grid{gap:40px}.guide-layout{grid-template-columns:165px minmax(0,1fr);gap:35px}.scope-layout{gap:35px}.scope-form{padding:25px}.scenario-grid{gap:18px}.footer-top{gap:45px}.namelifter-panel{grid-template-columns:170px 1fr auto;gap:28px}.namelifter-panel>.namelifter{width:170px}}@media (width<=1080px){.desktop-nav{display:none}.menu-toggle{display:flex}.header-inner{min-height:96px}.header-end{gap:22px}.brand{width:245px}.hero h1{font-size:82px}.hero-copy>p{font-size:18px}.hero-foot{gap:18px}.hero-foot p{max-width:200px;font-size:10px}.hero-top{margin-bottom:32px}.edition{display:none}.pathways{grid-template-columns:1fr 1.6fr;gap:40px}.pathway-row{grid-template-columns:35px 1fr 20px;gap:14px}.pathway-row h3{font-size:22px}.energy-grid{grid-template-columns:1.1fr 1fr}.energy-grid>div{padding:0}.energy-grid .text-link{font-size:12px}.flow-intro{gap:40px}.flow-module{padding:22px}.flow-module strong{font-size:35px}.scope-invite{gap:40px;padding:42px}.scope-preview{padding:28px}.name-section{gap:50px}.chapter-title{grid-template-columns:90px 1fr;gap:30px}.chapter-number{font-size:75px}.guide-layout{grid-template-columns:145px minmax(0,1fr);gap:30px}.guide-nav nav a{gap:9px;font-size:11px}.observation{gap:25px}.observation h2{font-size:26px}.observation-copy>p{font-size:13px}.observation-copy .request{padding-left:12px;font-size:11px}.fact-band{padding:25px}.scope-layout{grid-template-columns:1fr 1fr;gap:25px}.scope-form{padding:22px}.scope-form .actions .button{width:100%}.scenario-grid{grid-template-columns:1fr;gap:20px}.scenario-grid input{margin-bottom:18px}.source-layout{gap:50px}.credit-list{gap:0 25px}.about-grid,.disclosure-grid{gap:45px}.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-identity .brand{width:260px}.namelifter-panel h2{font-size:15px}}@media (width<=800px){.wrap{width:calc(100% - 40px)}.prototype-notice{text-align:left;padding:10px 20px;font-size:11px}.header-inner{min-height:90px}.brand{width:225px}.header-namelifter{display:none}.header-end{gap:18px}.sale-button{border:0;padding-left:0}.hero{padding:26px 0 55px}.hero-top .kicker{font-size:10px}.hero-grid{grid-template-columns:1fr 1fr;gap:28px}.hero h1{font-size:67px}.hero-copy>p{margin:24px 0;font-size:16px}.hero .button{gap:12px;padding:12px 16px;font-size:12px}.hero-foot{gap:15px;margin-top:30px}.element-tile{width:64px;height:76px;padding:7px}.element-tile b{font-size:32px}.hero-foot p{font-size:10px}.hero-visual .photo img{aspect-ratio:auto}.visual-note{margin-top:20px;padding:20px}.visual-note>p{font-size:19px}.visual-note .fine{font-size:10px}.pathways{grid-template-columns:1fr;gap:35px;padding:45px 0 60px}.pathways-intro>p:not(.kicker){max-width:650px}.pathways-intro .text-link{margin-top:18px}.pathway-row{grid-template-columns:44px 1fr 20px}.pathway-row h3{font-size:24px}.energy-feature{padding:40px 0}.energy-grid{gap:32px}.energy-grid h2{font-size:30px}.energy-grid>div>p:not(.kicker){font-size:13px}.energy-grid .text-link{line-height:1.5}.flow-section{padding:55px 0}.flow-intro{gap:30px}.flow-intro h2{font-size:32px}.flow-intro p{font-size:13px}.flow-system{grid-template-columns:1fr 24px 1fr 24px 1fr}.flow-module{min-height:205px;padding:18px}.flow-module span{font-size:9px}.flow-module strong{font-size:29px}.flow-module p{font-size:11px}.flow-foot{flex-direction:column;gap:25px}.flow-foot .citation{max-width:unset}.scope-invite{grid-template-columns:1fr 1fr;gap:30px;padding:35px}.scope-invite h2{font-size:35px}.scope-invite p{font-size:14px}.scope-preview{padding:22px}.scope-preview>strong{font-size:46px}.name-section{gap:35px;padding:60px 0 40px}.name-section h2{font-size:31px}.name-section>div>p{font-size:13px}.chapter-heading{padding-top:25px}.chapter-title{grid-template-columns:70px 1fr;gap:25px}.chapter-number{font-size:60px}.chapter-title h1{font-size:47px}.chapter-title .lead{font-size:17px}.question-rail>span{gap:12px;padding:14px 12px;font-size:11px}.guide-layout{grid-template-columns:1fr;gap:28px}.guide-nav{position:static}.guide-nav>.kicker{display:none}.guide-nav nav{border:1px solid #b9c8c8;grid-template-columns:repeat(6,1fr);margin:0;display:grid}.guide-nav nav a{border:0;border-right:1px solid #b9c8c8;flex-direction:column;gap:3px;padding:10px 5px;font-size:10px}.guide-nav nav a:last-child{border:0}.guide-nav nav .arrow,.guide-tool{display:none}.chapter-body .observation{gap:35px}.chapter-body .observation h2{font-size:28px}.chapter-body .observation-copy>p{font-size:14px}.chapter-body .observation-copy .request{font-size:12px}.page-heading{padding:45px 0 40px}.page-heading h1{font-size:53px}.page-heading .lead{font-size:17px}.scope-layout{grid-template-columns:1fr;gap:28px}.scope-form{padding:28px}.scenario-grid{grid-template-columns:1fr 1fr;gap:25px}.scope-form .actions .button{width:auto}.scope-output{border-top:2px solid #0b5963;padding-top:28px}.scope-layout .scope-output{max-width:none}.source-layout{grid-template-columns:1fr;gap:30px}.source-layout aside{grid-template-columns:1fr 2fr;gap:20px;display:grid}.reading-key{margin:0}.reading-key dt:first-child{margin-top:0}.source-layout aside>.fine{grid-column:1/-1}.credit-list{grid-template-columns:repeat(2,1fr)}.about-grid{gap:30px}.about-mark{min-height:250px;padding:20px}.about-grid h2{font-size:30px}.about-grid p{font-size:13px}.use-grid{gap:25px}.use-grid h3{font-size:24px}.use-grid p{font-size:13px}.disclosure-grid{gap:35px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-identity{grid-column:1/-1;grid-template-columns:1fr 1fr;align-items:center;gap:10px 30px;display:grid}.footer-identity .brand{grid-row:1/3}.footer-identity p{font-size:13px}.footer-identity>.fine{margin:0}.footer-top h2{margin-top:0}.namelifter-panel{grid-template-columns:140px 1fr;gap:22px}.namelifter-panel>.namelifter{width:140px}.namelifter-panel>.button{grid-column:2;justify-self:start}.footer-legal{grid-template-columns:1fr}.footer-legal p{grid-column:1}}@media (width<=600px){.wrap{width:calc(100% - 36px)}.header-inner{gap:14px;min-height:88px}.brand{width:208px;max-width:calc(100vw - 130px)}.sale-button{display:none}.menu-toggle{gap:8px;padding:7px 10px;font-size:12px}.header-end{gap:0}.hero-top{margin-bottom:24px}.hero-top .kicker{letter-spacing:.09em;align-items:flex-start;font-size:9px}.status-dot{margin-top:4px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero h1{font-size:clamp(67px,15vw,91px)}.hero-copy>p{max-width:360px;font-size:18px}.hero-foot{gap:20px;margin-top:27px}.element-tile{width:68px;height:77px}.hero-foot p{max-width:230px;font-size:11px}.hero-foot br{display:block}.visual-note{display:none}.hero-visual .photo img{aspect-ratio:1.5;object-fit:cover}.photo figcaption{font-size:11px}.photo figcaption small{font-size:10px}.hero{padding-bottom:45px}.pathways{padding-top:38px}.pathways-intro h2{font-size:36px;line-height:1.1}.pathways-intro h2 br{display:block}.pathway-row{grid-template-columns:27px minmax(0,1fr) 17px;gap:15px;padding:20px 0}.pathway-number{font-size:15px}.pathway-row h3{font-size:22px}.pathway-row p{font-size:12px}.energy-grid{grid-template-columns:1fr;gap:28px}.energy-grid h2{font-size:36px}.energy-grid>div>p:not(.kicker):not(.fine){font-size:15px}.energy-grid .text-link{margin:22px 0;font-size:13px}.energy-grid .fine{font-size:11px!important}.section-label{align-items:flex-start;margin-bottom:26px}.section-label .kicker{font-size:9px}.section-label>span:last-child:not(:first-child){text-align:right;max-width:140px;font-size:9px}.flow-intro{grid-template-columns:1fr;gap:23px}.flow-intro h2{font-size:36px}.flow-intro p{font-size:14px}.flow-system{grid-template-columns:1fr;gap:0}.flow-module{min-height:165px;padding:23px}.flow-module span{font-size:10px}.flow-module strong{font-size:36px;line-height:1.6}.flow-module p{max-width:none;font-size:12px}.flow-connector{height:34px;line-height:1.3;transform:rotate(90deg)}.flow-foot p{font-size:11px}.scope-invite{grid-template-columns:1fr;gap:30px;padding:30px 25px}.scope-invite h2{font-size:39px}.scope-invite p{font-size:14px}.scope-preview{padding:24px}.scope-preview>strong{font-size:48px;line-height:1.5}.scope-preview ul{flex-wrap:wrap;gap:6px 15px;font-size:10px;display:flex}.name-section{grid-template-columns:1fr;gap:25px;padding-top:55px}.name-section h2{font-size:36px}.name-section>div>p{font-size:14px}.photo-notice{margin-bottom:20px;font-size:10px;line-height:1.8}.chapter-breadcrumb{margin-bottom:30px;font-size:10px}.chapter-title{grid-template-columns:1fr;gap:21px}.chapter-number{width:62px;padding-top:8px;font-size:40px;display:block}.chapter-title .kicker{margin-bottom:13px;font-size:10px}.chapter-title h1{font-size:46px}.chapter-title .lead{margin-top:22px;font-size:16px}.question-rail{grid-template-columns:1fr;margin-top:27px}.question-rail>span{border-bottom:1px solid #c1cecb;border-right:0;gap:18px;padding:12px 0;font-size:12px}.guide-layout{gap:28px;padding-top:0}.guide-nav nav{grid-template-columns:repeat(3,1fr)}.guide-nav nav a{padding:12px 5px;font-size:11px}.guide-nav nav a:nth-child(3){border-right:0}.guide-nav nav a:nth-child(-n+3){border-bottom:1px solid #c1cecb}.fact-band{padding:24px}.fact-band p{font-size:16px}.chapter-disclosure{margin-bottom:30px;font-size:10px;line-height:1.8}.chapter-body .observation,.chapter-grid .observation-2{flex-direction:column;align-items:stretch;gap:24px;margin-bottom:32px;padding-bottom:32px;display:flex}.chapter-body .observation .observation-copy{order:1;margin:0;display:block}.chapter-body .observation .photo{order:2;align-self:center;width:100%;max-width:100%}.chapter-body .observation-copy>.kicker{font-size:10px}.chapter-body .observation h2{margin:12px 0 16px;font-size:30px}.chapter-body .observation-copy>p:not(.kicker){font-size:14px;line-height:1.8}.chapter-body .observation-copy>.request{margin-top:21px;font-size:11px!important}.chapter-testing .observation-1 .photo,.chapter-testing .observation-3 .photo,.chapter-grid .observation-2 .photo,.chapter-grid .observation-3 .photo,.chapter-grid .observation-4 .photo,.chapter-materials .observation-0 .photo,.chapter-recovery .observation-1 .photo{width:100%;max-width:350px}.chapter-conclusion h2{font-size:34px}.chapter-conclusion>p:not(.kicker){font-size:14px}.chapter-next{gap:20px}.chapter-next strong{font-size:14px}.chapter-next span{font-size:9px}.chapter-next .arrow{display:none}.page-heading{padding-top:38px}.page-heading h1{font-size:44px;line-height:1.12}.page-heading .lead{font-size:16px}.scope-form{padding:22px 18px}.form-heading{gap:10px}.form-heading .kicker{font-size:10px}.scope-form select{font-size:12px}.scenario-grid{gap:16px}.scenario-grid legend{font-size:12px}.scenario-grid legend span{font-size:9px}.scenario-grid label{font-size:11px;line-height:1.6;display:block}.scenario-grid label span{display:block}.scenario-grid input{padding:9px}.records{margin-top:25px}.check{align-items:flex-start;padding:8px 0;font-size:12px}.check input{margin-top:3px}.scope-form .actions .button{width:100%}.formula{padding:23px}.formula>strong{font-size:35px}.result-values{gap:18px}.result-values strong{font-size:29px}.result-values strong small{font-size:13px}.result-values p,.export-actions .button{font-size:11px}.source-layout{padding-top:0}.source-layout aside{grid-template-columns:1fr;gap:15px}.source-layout aside>.fine{margin-top:5px}.source-list article{grid-template-columns:23px 1fr;gap:18px;padding:24px 0}.source-list h2{font-size:23px}.source-list .kicker{font-size:9px}.source-list p:not(.kicker){font-size:13px}.photo-credits h2{font-size:34px}.credit-list{grid-template-columns:1fr}.credit-list>div{padding:17px 0}.credit-list a{font-size:13px}.credit-list p{font-size:12px}.credit-list .credit-path{font-size:11px}.about-grid{grid-template-columns:1fr;gap:30px;padding-top:0}.about-mark{min-height:220px;padding:20px}.about-mark .brand{width:100%;max-width:100%}.about-grid p{font-size:14px}.use-grid{grid-template-columns:1fr;gap:28px}.use-grid h3{font-size:28px}.use-grid p{font-size:14px}.disclosure-grid{grid-template-columns:1fr;gap:35px}.disclosure-grid h2{font-size:27px}.footer-top{gap:28px 25px}.footer-identity{grid-column:1/-1;display:block}.footer-identity .brand{width:270px;max-width:100%}.footer-identity>.fine{max-width:320px;margin-top:10px}.footer-top nav a,.footer-top nav button{min-height:24px;font-size:11px;line-height:1.7}.footer-top nav{gap:9px}.footer-top h2{font-size:10px}.namelifter-panel{grid-template-columns:1fr;gap:20px;padding:28px 0}.namelifter-panel>.namelifter{width:175px}.namelifter-panel>.button{grid-column:1;justify-self:start}.namelifter-panel h2{font-size:16px}.namelifter-panel p{font-size:11px}.footer-legal p{font-size:10px}.footer-legal strong{font-size:14px}.modal-inner{padding:20px 22px 25px}.modal h2{font-size:30px}.modal .sale-domain{font-size:18px}.modal p:not(.kicker){font-size:13px}.modal .actions{gap:10px}.modal .actions .button{width:100%;margin-top:8px}.modal .button{gap:12px;padding:12px 16px;font-size:12px}.modal-top{gap:10px;margin-bottom:20px}.modal-top .kicker{font-size:8px}.menu-dialog .brand{width:250px;max-width:100%}.menu-dialog nav>a{font-size:18px}.mobile-branding{flex-wrap:wrap;gap:20px}.mobile-branding>.namelifter{width:150px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.prototype-notice{color:#000;background:#fff}.site-header,.modal,.menu-toggle,.sale-button,.export-actions,.scope-form .actions,.skip-link{display:none}body{color:#000;background:#fff}.wrap{width:100%}.scope-layout{display:block}.scope-form{break-inside:avoid}.scope-output{margin-top:30px}.photo img{object-fit:contain;max-height:350px}.guide-nav{display:none}.guide-layout{display:block}a{color:#000}.footer-top,.namelifter-panel{display:none}}