@font-face{font-family:Fraunces Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/fraunces-vietnamese-wght-normal.27mjgerpp-p8q.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/fraunces-latin-ext-wght-normal.0w34jt9rgyj5v.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/fraunces-latin-wght-normal.2on4lsczlu6gv.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(../media/dm-sans-latin-ext-wght-normal.0x9ccydb91kkt.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(../media/dm-sans-latin-wght-normal.0fpdy-lufm69d.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--paper:#f8f7f2;--white:#fff;--ink:#141923;--muted:#586171;--blue:#2855ce;--blue-dark:#2047b0;--blue-pale:#e9edfa;--line:#d7dcdf;--amber:#995514;--green:#18744a;--purple:#64518d;--serif:"Fraunces Variable", Georgia, serif;--sans:"DM Sans Variable", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;margin:0}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{color:#102d86;background:#dce5ff}input,textarea{caret-color:var(--blue)}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}h1,h2{font-family:var(--serif);letter-spacing:-.035em;font-weight:430}h1{font-size:clamp(42px,4.25vw,64px);line-height:1.12}h2{font-size:clamp(32px,3.1vw,45px);line-height:1.17}h3{letter-spacing:-.02em;font-size:23px;line-height:1.3}p+p{margin-top:18px}em{font-weight:430}svg{flex-shrink:0}small,.fine{color:var(--muted);font-size:12px;line-height:1.6}.container{max-width:1280px;margin:auto;padding-left:48px;padding-right:48px}.button{background:var(--blue);color:#fff;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:20px;min-height:52px;padding:13px 23px;font-size:14px;font-weight:650;line-height:1.5;text-decoration:none;transition:background .18s;display:inline-flex}.button:hover{background:var(--blue-dark)}.button.small{gap:15px;min-height:44px;padding:10px 17px;font-size:13px}.button.secondary{border-color:var(--line);color:var(--ink);background:0 0}.button.secondary:hover{background:var(--blue-pale)}.text-link{color:var(--blue);background:0 0;border:0;align-items:center;gap:11px;min-height:44px;padding:0;font-size:14px;font-weight:650;text-decoration:none;display:inline-flex}.text-link:hover{text-decoration:underline}.eyebrow,.context{letter-spacing:.11em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:1.6}.eyebrow{color:var(--muted);margin-bottom:22px}.context{color:var(--muted)}.lead{max-width:650px;color:var(--muted);font-size:19px;line-height:1.65}.blue-ink{color:var(--blue)}.skip{z-index:100;background:#fff;padding:10px 20px;position:fixed;top:-100px;left:20px}.skip:focus{top:12px}.site-header{background:var(--paper);border-bottom:1px solid var(--line);z-index:20;position:relative}.nav-wrap{justify-content:space-between;align-items:center;gap:25px;max-width:1400px;margin:auto;padding:23px 40px;display:flex}.wordmark{letter-spacing:-.045em;white-space:nowrap;align-items:center;gap:10px;font-size:19px;font-weight:750;text-decoration:none;display:inline-flex}.wordmark svg,.brand-dot{color:var(--blue)}.desktop-nav{align-items:center;gap:24px;display:flex}.desktop-nav a{font-size:12px;font-weight:600;text-decoration:none}.desktop-nav a:hover{color:var(--blue)}.mobile-nav{display:none}.hero{grid-template-columns:1.02fr 1fr;align-items:start;gap:65px;padding-top:65px;padding-bottom:54px;display:grid}.hero-copy{padding-top:26px}.hero-copy .eyebrow{letter-spacing:.095em;align-items:center;gap:10px;font-size:10px;display:flex}.little-rule{background:var(--blue);width:25px;height:2px}.hero h1 em{color:var(--blue);margin-top:12px;font-style:normal;display:block}.hero-description{color:var(--muted);max-width:420px;margin-top:25px;font-size:17px;line-height:1.7}.hero-actions{flex-direction:column;align-items:flex-start;gap:10px;margin-top:28px;display:flex}.hero-trust{color:var(--muted);margin-top:18px;font-size:11px}.hero-lab{scroll-margin-top:25px}.lab-caption{letter-spacing:.12em;color:var(--muted);justify-content:space-between;gap:12px;margin-bottom:13px;font-size:9px;font-weight:650;display:flex}.lab-caption span:last-child{color:var(--blue);align-items:center;gap:9px;display:flex}.lab-caption svg{width:13px;height:13px}.challenge{background:#fff;border:1px solid #cdd4e4;border-radius:12px;min-width:0;overflow:hidden}.demo-top{background:var(--blue-pale);color:var(--blue);border-bottom:1px solid #d4dcef;align-items:center;gap:9px;padding:15px 24px;font-size:12px;display:flex}.demo-top>span:last-child{font-variant-numeric:tabular-nums;margin-left:auto;font-size:11px}.demo-top strong{font-weight:700}.live-dot{background:var(--blue);border-radius:50%;width:6px;height:6px}.demo-body{padding:26px}.demo-mode{color:var(--muted);margin-bottom:9px;font-size:10px}.demo-title{font:600 19px/1.4 var(--sans);letter-spacing:-.02em;text-wrap:pretty;margin:0 0 8px}.demo-title:focus{outline:none}.demo-instruction{color:var(--muted);font-size:12px}.sentence-paper{font:400 23px/1.75 var(--serif);background:#f7f8fc;border:1px solid #e4e7f0;margin:20px 0;padding:24px 18px}.sentence-paper p{margin:0}.sentence-paper.revealed{padding-top:38px}.dependent{color:var(--amber);text-underline-offset:5px;-webkit-text-decoration:underline dashed;text-decoration:underline dashed}.independent{color:var(--blue);text-underline-offset:5px;text-decoration:underline}.labelled{white-space:nowrap;vertical-align:bottom;flex-direction:column;line-height:1.5;display:inline-flex;position:relative}.labelled small{white-space:nowrap;font:700 8px/1.4 var(--sans);letter-spacing:.06em;color:var(--blue);position:static}.labelled.verb small{color:var(--blue)}.annotated-clause{margin-top:18px;display:block}.options{flex-direction:column;gap:9px;display:flex}.option{text-align:left;width:100%;color:var(--ink);background:#fff;border:1px solid #dce0e7;border-radius:6px;align-items:center;gap:12px;min-height:55px;padding:12px 14px;font-size:12px;line-height:1.5;transition:background .16s,border-color .16s;display:flex}.option:hover:not(:disabled){border-color:var(--blue);background:#f6f8ff}.option-letter{border:1px solid var(--line);width:23px;height:23px;font:650 10px var(--sans);color:var(--muted);border-radius:4px;flex-shrink:0;place-items:center;display:grid}.option.correct{background:#eff7f2;border-color:#7caf97}.option.correct .option-letter{background:var(--green);border-color:var(--green);color:#fff}.option.incorrect{background:#fff6e9;border-color:#b98249}.option:disabled{opacity:1}.feedback{font-size:12px;line-height:1.6}.feedback:not(:empty){padding:16px 0 8px}.feedback strong{font-size:13px}.feedback p{color:var(--muted);margin-top:5px}.demo-footnote{color:var(--muted);margin-top:18px;font-size:10px}.demo-bottom{color:var(--muted);border-top:1px solid #e5e8ef;justify-content:space-between;gap:10px;padding:12px 24px;font-size:9px;display:flex}.next-button{margin-top:12px}.lab-postscript{text-align:center;color:var(--muted);margin-top:18px;font-size:12px}.lab-postscript strong{color:var(--ink);font-weight:500}.belief-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.belief-strip .container{align-items:center;gap:27px;padding-top:23px;padding-bottom:23px;display:flex}.belief-strip span{font:430 26px var(--serif);letter-spacing:-.025em}.belief-strip svg{color:#8993a6;width:23px}.belief-strip p{color:var(--muted);margin-left:auto;font-size:11px;line-height:1.6}.shop-section{padding-top:96px;padding-bottom:74px}.section-heading{margin-bottom:38px}.section-heading.split{justify-content:space-between;align-items:flex-end;gap:50px;display:flex}.section-heading.split>p{color:var(--muted);padding-bottom:5px;font-size:14px}.section-heading .eyebrow{margin-bottom:13px}.product-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;display:grid}.product-card{border:1px solid var(--line);background:0 0;border-radius:8px;min-width:0;overflow:hidden}.product-card-content{padding:22px 20px 19px}.product-card .context{letter-spacing:.07em;min-height:29px;font-size:9px}.product-card h3{font:500 25px/1.15 var(--serif);letter-spacing:-.02em;min-height:58px;margin-top:5px}.product-card h3 a{text-decoration:none}.product-card h3 a:hover{color:var(--blue)}.card-problem{min-height:64px;margin:14px 0;font-size:14px;line-height:1.5}.product-card-content>p:not(.context):not(.card-problem){color:var(--muted);min-height:40px;font-size:12px}.product-card .text-link{gap:10px;margin-top:16px;font-size:12px}.availability{color:var(--muted);margin-top:9px;font-size:9px;display:block}.mini-visual{border-bottom:1px solid var(--line);justify-content:center;align-items:center;height:134px;padding:15px;display:flex;overflow:hidden}.mini-visual.blue{background:#e9edfa}.mini-visual.amber{background:#f5eddf}.mini-visual.purple{background:#eee9f5}.mini-visual.green{background:#e7eee4}.sentence-mini{font:400 19px/1.5 var(--serif);max-width:180px}.sentence-mini span{font-size:14px}.sentence-mini span:first-child{color:var(--amber);-webkit-text-decoration:underline dashed;text-decoration:underline dashed;display:block}.sentence-mini b{color:var(--blue);border-bottom:1px solid;font-weight:500}.sentence-mini strong{color:var(--blue);border-bottom:1px solid;margin-left:5px;font-weight:500}.sentence-mini span:last-child{display:block}.math-mini{width:100%;font:400 16px var(--serif);justify-content:space-between;align-items:center;gap:12px;padding-bottom:25px;display:flex;position:relative}.math-mini i{color:var(--amber);font-size:25px;font-style:normal}.numberline{background:#947340;height:1px;position:absolute;bottom:15px;left:4px;right:4px}.numberline:after{content:"";border-left:1px solid #947340;height:12px;position:absolute;top:-6px;left:50%}.reaction-mini{color:var(--purple);font:400 32px var(--serif);align-items:center;gap:22px;line-height:1;display:flex}.reaction-mini small{font:400 14px var(--sans);padding-left:25px}.bio-mini{color:#346040;text-align:center;align-items:center;gap:9px;font-size:10px;line-height:1.4;display:flex}.bio-mini svg{width:15px}.bio-mini span:nth-of-type(2){border:1px solid #8da787;border-radius:5px;padding:10px 7px}.shop-note{color:var(--muted);text-align:center;margin-top:22px;font-size:11px}.belief-section{grid-template-columns:.9fr 1fr;align-items:center;gap:95px;padding-top:35px;padding-bottom:100px;display:grid}.belief-section h2{margin-bottom:24px}.belief-section>div>p:not(.eyebrow){color:var(--muted);max-width:410px;font-size:14px}.before-after{border:1px solid var(--line);background:#fff;border-radius:8px;padding:28px}.before-after-top{color:var(--muted);justify-content:space-between;align-items:center;gap:15px;font-size:10px;display:flex}.before-after .text-link{gap:7px;font-size:11px}.before-after>p{font:400 26px/1.65 var(--serif);margin:25px 0}.interruption{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1px}.main-verb{color:var(--blue);text-underline-offset:5px;text-decoration:underline}.before-after-note{border-top:1px solid var(--line);min-height:100px;color:var(--muted);padding-top:20px;font-size:12px}.before-after-note strong{color:var(--blue);margin-bottom:10px;display:block}.before-after-note span{display:block}.method-section{background:#e9edfa;padding:76px 0 80px}.method-section .section-heading{grid-template-columns:1fr 1fr;column-gap:100px;display:grid}.method-section .eyebrow{grid-column:1/-1}.method-section .section-heading>p:last-child{color:#4d5875;align-self:end;max-width:330px;font-size:14px}.method-grid{grid-template-columns:repeat(4,1fr);gap:32px;margin:45px 0 0;padding:0;list-style:none;display:grid}.method-grid li{border-top:1px solid #aab9db;padding-top:18px}.step-count{color:var(--blue);margin-bottom:22px;font-size:11px;display:block}.method-grid h3{font:450 27px var(--serif);color:var(--blue);margin-bottom:16px}.method-grid strong{font-size:13px;font-weight:600}.method-grid p{color:#4d5875;margin-top:8px;font-size:12px}.founder{grid-template-columns:1fr 2fr;gap:90px;max-width:1130px;padding-top:100px;padding-bottom:100px;display:grid}.founder-margin{padding-top:40px}.teacher-mark{font:400 110px/.95 var(--serif);color:var(--blue);letter-spacing:-.06em;display:block}.founder-margin p{color:var(--muted);margin-top:22px;font-size:12px}.founder .eyebrow{margin-bottom:16px}.founder h2{max-width:590px;margin-bottom:30px}.letter-lead{font:400 23px/1.5 var(--serif);margin-bottom:24px}.founder p:not(.eyebrow):not(.letter-lead):not(.signature){color:var(--muted);font-size:14px}.signature{margin-top:26px;font-size:12px;font-weight:650}.founder .text-link{margin-top:8px;font-size:12px}.faq-section{border-top:1px solid var(--line);grid-template-columns:1fr 1.3fr;gap:70px;padding-top:65px;padding-bottom:70px;display:grid}.faq-section h2{font-size:36px}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;justify-content:space-between;gap:20px;padding:20px 0;font-size:13px;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary span{color:var(--blue);font-size:21px;line-height:1}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{color:var(--muted);padding:0 24px 22px 0;font-size:13px}.closing{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:80px;padding-top:58px;padding-bottom:70px;display:grid}.closing h2{font-size:48px}.closing .eyebrow{margin-bottom:18px}.closing>div:last-child{align-self:center}.closing p:not(.eyebrow){color:var(--muted);margin-bottom:22px;font-size:14px}.closing small{margin-top:10px;font-size:10px;display:block}.footer{border-top:1px solid var(--line);background:#efeee7;padding:50px 0 20px}.footer-top{grid-template-columns:1fr 1.2fr;gap:50px;display:grid}.footer-top p{color:var(--muted);margin-top:16px;font-size:12px}.footer nav{grid-template-columns:repeat(3,1fr);align-content:start;gap:15px 25px;display:grid}.footer nav a{font-size:11px;text-decoration:none}.footer nav a:hover{color:var(--blue);text-decoration:underline}.footer-bottom{border-top:1px solid #d4d6d0;justify-content:space-between;gap:70px;margin-top:40px;padding-top:20px;display:flex}.footer-bottom p{color:#586171;margin:0;font-size:9px;line-height:1.6}.footer-bottom p:last-child{max-width:660px}.product-hero{grid-template-columns:1fr 1fr;align-items:start;gap:65px;padding-top:55px;padding-bottom:65px;display:grid}.back-link{color:var(--muted);margin-bottom:34px;font-size:11px;display:inline-block}.product-intro .context{margin-bottom:18px;font-size:10px}.product-name{color:var(--blue);margin-bottom:16px;font-size:17px;font-weight:650}.product-name span{margin-top:4px;font-size:12px;font-weight:400;display:block}.product-intro h1{font-size:clamp(36px,3.6vw,54px)}.product-description{color:var(--muted);margin-top:25px;margin-bottom:25px;font-size:15px}.product-sample{padding-top:0;scroll-margin-top:30px}.product-sample .demo-title{font-size:20px}.product-sample .demo-body{padding:28px}.product-sample .option{font-size:13px}.outcome-section{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:80px;padding-top:60px;padding-bottom:65px;display:grid}.outcome-section blockquote{font:400 24px/1.5 var(--serif);margin:0 0 20px}.outcome{color:var(--blue);font-size:14px}.outcome+.fine{margin-top:15px}.inside-section{background:#e9edfa;padding:70px 0}.inside-grid{grid-template-columns:1.3fr 1fr;gap:85px;display:grid}.inclusions{margin:35px 0 0;padding:0;list-style:none}.inclusions li{border-top:1px solid #bac6df;gap:20px;padding:18px 0;font-size:14px;display:flex}.inclusions span{color:var(--blue);padding-top:2px;font-size:11px}.access-panel{background:#fff;border-radius:10px;align-self:start;padding:30px}.status-label{color:var(--green);text-transform:uppercase;letter-spacing:.09em;font-size:10px;font-weight:650}.access-panel h3{font:450 29px var(--serif);margin:15px 0}.access-panel>p{color:var(--muted);font-size:13px}.access-panel dl{border-top:1px solid var(--line);grid-template-columns:1fr 1.2fr;gap:12px 20px;margin:25px 0;padding-top:20px;font-size:12px;display:grid}.access-panel dd{margin:0;font-weight:600}.access-panel .fine{margin-top:15px;font-size:11px}.access-panel .button{gap:12px;width:100%}.scope-section{grid-template-columns:1fr 1fr;gap:80px;padding-top:70px;padding-bottom:70px;display:grid}.scope-section h2{margin-bottom:20px;font-size:35px}.scope-section p{color:var(--muted);font-size:14px}.syllabus-note{border-top:1px solid var(--line);padding-top:20px}.syllabus-note h3{margin-bottom:15px;font-size:15px}.syllabus-note .fine{font-size:11px}.math-question{font:400 22px/1.6 var(--serif);background:#f7f8fc;margin:22px 0;padding:22px}.worked-route{background:#f5f7fc;margin:15px 0 20px;padding:20px;font-size:13px}.worked-route>span{letter-spacing:.07em;color:var(--blue);font-size:9px;font-weight:650}.worked-route p{margin:10px 0}.worked-route strong{color:var(--blue);font-weight:600;display:block}.hint{color:var(--amber);padding:15px 0;font-size:12px}.demo-end{padding:30px}.demo-end h3{font:450 32px/1.2 var(--serif);margin:20px 0 15px}.demo-end>p{color:var(--muted);font-size:13px}.success-label{color:var(--green);font-size:11px;font-weight:650}.sample-score{border-top:1px solid var(--line);border-bottom:1px solid var(--line);align-items:center;gap:20px;margin:25px 0;padding:20px 0;display:flex}.sample-score strong{font:400 40px var(--serif);color:var(--blue)}.sample-score span{color:var(--muted);font-size:11px}.demo-end .fine{font-size:11px}.demo-actions{flex-wrap:wrap;gap:15px;margin-top:20px;display:flex}.demo-actions .text-link{font-size:12px}.transfer-input{margin-top:20px;font-size:13px}.transfer-input label{margin-bottom:10px;font-weight:650;display:block}.transfer-input>div{flex-wrap:wrap;gap:12px;display:flex}.transfer-input>div[role=status]{display:block}.transfer-input input,.transfer-input textarea{width:100%;max-width:100%;color:var(--ink);background:#fff;border:1px solid #aeb8c8;border-radius:4px;padding:10px}.transfer-input input{width:110px}.transfer-input textarea{resize:vertical;margin-bottom:15px;display:block}.transfer-input button:disabled{opacity:.5}.transfer-input p{margin-top:12px}.reaction-map{text-align:center;background:#f2eff7;border-radius:5px;justify-content:space-between;align-items:center;gap:8px;margin:25px 0;padding:25px 16px;display:flex}.reaction-map>div:not(.reaction-arrow){flex-direction:column;gap:8px;display:flex}.reaction-map small{letter-spacing:.06em;color:var(--purple);font-size:8px}.reaction-map strong{color:var(--purple);white-space:nowrap;font-size:23px;font-weight:500}.reaction-map span{color:var(--muted);font-size:11px}.reaction-arrow{color:var(--purple);flex-direction:column;align-items:center;gap:5px;display:flex}.reaction-arrow svg{width:30px}.reaction-map.revealed .reaction-arrow svg{animation:.5s cubic-bezier(.16,1,.3,1) both route-reveal}.light-control{background:#eef4eb;margin:22px 0;padding:20px;font-size:12px}.light-control label{justify-content:space-between;gap:12px;display:flex}.light-control label strong{color:var(--green);font-weight:600}.light-control input{width:100%;accent-color:var(--green);min-height:30px;margin:20px 0}.light-control small{margin-top:12px;font-size:10px;display:block}.qualitative-meter{background:#d3dfcf;border-radius:4px;height:6px;overflow:hidden}.qualitative-meter span{background:var(--green);height:100%;transition:width .2s;display:block}.causal-chain{text-align:center;justify-content:center;align-items:center;gap:12px;padding:15px 0 25px;font-size:10px;line-height:1.5;display:flex}.causal-chain span{border:1px solid var(--line);border-radius:4px;flex:1;padding:12px 9px}.causal-chain b{font-weight:600}.causal-chain svg{width:17px;color:var(--green)}.causal-chain.revealed span{background:#e7f2e7;border-color:#8caa87}.theme-amber .product-name{color:var(--amber)}.theme-purple .product-name{color:var(--purple)}.theme-green .product-name{color:var(--green)}.finder-page,.hub,.method-hero,.about-intro{padding-top:65px;padding-bottom:75px}.finder-page .lead,.hub .lead,.method-hero .lead,.about-intro .lead{margin-top:25px}.finder{max-width:830px;margin-top:50px}.finder fieldset{border:0;margin:0;padding:0}.finder legend,.finder-results h2{font:600 18px var(--sans);align-items:center;gap:15px;margin-bottom:25px;display:flex}.finder legend span,.finder-results h2 span{border:1px solid var(--blue);color:var(--blue);border-radius:50%;flex-shrink:0;place-items:center;width:29px;height:29px;font-size:12px;display:inline-grid}.exam-choices{grid-template-columns:1fr 1fr;gap:20px;display:grid}.exam-choices button{border:1px solid var(--line);text-align:left;font:450 26px var(--serif);color:var(--ink);background:#fff;border-radius:7px;padding:26px}.exam-choices button small{font:400 12px var(--sans);margin-top:12px;display:block}.exam-choices button.selected{background:var(--blue-pale);border-color:var(--blue);color:var(--blue)}.finder-results{margin-top:45px}.finder-results>a{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:25px;padding:23px 0;text-decoration:none;display:flex}.finder-results small{margin-bottom:10px;font-size:11px;display:block}.finder-results strong{font-size:17px;font-weight:500}.finder-results a:hover strong{color:var(--blue)}.hub .product-grid{grid-template-columns:1fr 1fr;margin-top:45px}.hub .mini-visual{height:170px}.hub .product-card h3,.hub .card-problem,.hub .product-card .context,.hub .product-card-content>p:not(.context):not(.card-problem){min-height:0}.hub .product-card-content{padding:28px}.hub .card-problem{max-width:330px;margin:20px 0}.method-hero .before-after{max-width:850px;margin-top:45px}.method-try{grid-template-columns:1fr 1fr;align-items:center;gap:80px;padding-top:75px;padding-bottom:75px;display:grid}.method-try p{max-width:400px;color:var(--muted);margin-top:25px;font-size:14px}.about-intro{padding-bottom:0}.prose-page{max-width:900px;padding-top:65px;padding-bottom:85px}.prose-page h1{margin-bottom:26px;font-size:clamp(40px,5vw,59px)}.prose-page section{margin-top:40px}.prose-page h2{font:600 21px/1.4 var(--sans);letter-spacing:-.02em;margin-bottom:14px}.prose-page section p{color:var(--muted);max-width:70ch;font-size:15px}.prose-page>.button{margin-top:45px}.prose-page .faq{margin-top:40px}#inside{scroll-margin-top:30px}@keyframes route-reveal{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0)}}@media (min-width:1450px){.hero{padding-top:80px;padding-bottom:70px}}@media (max-width:1150px){.nav-wrap{padding:20px 30px}.desktop-nav{gap:17px}.desktop-nav a{font-size:11px}.wordmark{font-size:17px}.nav-cta{gap:10px!important;font-size:11px!important}.container{padding-left:32px;padding-right:32px}.hero{gap:35px;padding-top:45px}.hero-copy{padding-top:20px}.hero h1{font-size:53px}.product-grid{gap:14px}.product-card-content{padding:20px 15px}.product-card h3{font-size:23px}.belief-section{gap:55px}.product-hero{gap:35px}.inside-grid{gap:50px}}@media (max-width:950px){.desktop-nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{cursor:pointer;align-items:center;min-height:44px;padding:10px;font-size:12px;display:flex}.mobile-nav nav{border:1px solid var(--line);background:#fff;border-radius:8px;flex-direction:column;gap:3px;width:235px;padding:15px;display:flex;position:absolute;top:55px;right:0}.mobile-nav a{padding:10px;font-size:13px;text-decoration:none}.nav-cta{margin-left:auto}.hero h1{font-size:46px}.hero{gap:27px}.hero-description{font-size:15px}.hero-copy .eyebrow{font-size:9px}.hero .demo-body{padding:20px}.sentence-paper{padding:20px 14px;font-size:21px}.hero .option{font-size:11px}.hero .demo-top{padding:15px 20px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.product-card h3,.product-card .context,.card-problem,.product-card-content>p:not(.context):not(.card-problem){min-height:0}.mini-visual{height:145px}.product-card-content{padding:23px}.product-card h3{font-size:26px}.card-problem{min-height:42px}.product-card .text-link{margin-top:15px}.belief-section{gap:40px}.method-grid{gap:20px}.method-section .section-heading{column-gap:50px}.founder{gap:50px}.faq-section{gap:45px}.closing{gap:40px}.product-intro h1{font-size:40px}.product-sample .demo-body{padding:22px}.product-sample .option{font-size:12px}.product-sample .demo-title{font-size:18px}.inside-grid{gap:35px}.access-panel{padding:24px}.scope-section,.outcome-section{gap:40px}.reaction-map strong{font-size:19px}}@media (max-width:720px){html{scroll-padding-top:20px}.container{padding-left:24px;padding-right:24px}.nav-wrap{gap:14px;padding:16px 22px}.wordmark{gap:7px;font-size:17px}.wordmark svg{width:24px;height:24px}.nav-cta{display:none}.hero{flex-direction:column;gap:30px;padding-top:32px;padding-bottom:35px;display:flex}.hero-copy{width:100%;padding:0}.hero-copy .eyebrow{margin-bottom:17px;font-size:9px}.little-rule{width:18px}.hero h1{max-width:560px;font-size:42px;line-height:1.12}.hero h1 em{max-width:490px;margin-top:7px}.desktop-break{display:none}.hero-description{max-width:510px;margin-top:17px;font-size:14px;line-height:1.65}.hero-actions{display:none}.hero-trust{margin-top:12px;font-size:10px}.hero-lab{align-self:center;width:100%;max-width:600px}.lab-caption{margin-bottom:10px;font-size:8px}.hero .demo-body{padding:20px}.demo-mode{font-size:9px}.demo-title{font-size:18px}.hero .sentence-paper{margin:18px 0;padding:16px;font-size:21px;line-height:1.7}.hero .sentence-paper.revealed{padding-top:33px}.hero .option{min-height:54px;font-size:12px}.demo-top{padding:13px 20px}.demo-bottom{padding:11px 20px;font-size:8px}.lab-postscript{margin-top:15px;font-size:11px}.belief-strip .container{flex-wrap:wrap;justify-content:center;gap:17px;padding-top:22px;padding-bottom:22px}.belief-strip span{font-size:24px}.belief-strip svg{width:18px}.belief-strip p{text-align:center;width:100%;margin:0;font-size:10px}.belief-strip p br{display:none}.shop-section{padding-top:58px;padding-bottom:40px}.section-heading.split{display:block}.section-heading h2{font-size:34px}.section-heading.split>p{margin-top:18px;font-size:13px}.section-heading{margin-bottom:28px}.eyebrow{margin-bottom:14px;font-size:9px}.product-grid{gap:18px}.product-card-content{padding:18px 15px}.product-card .context{font-size:8px}.product-card h3{margin-top:10px;font-size:24px}.card-problem{min-height:72px;margin:16px 0 10px;font-size:12px}.product-card-content>p:not(.context):not(.card-problem){min-height:40px;font-size:11px}.product-card .text-link{align-items:center;gap:4px;font-size:11px}.product-card .text-link svg{width:14px}.availability{font-size:8px}.mini-visual{height:120px;padding:12px}.sentence-mini{font-size:16px}.sentence-mini span{font-size:12px}.reaction-mini{gap:15px;font-size:27px}.bio-mini{gap:5px;font-size:8px}.bio-mini svg{width:12px}.bio-mini span:nth-of-type(2){padding:7px 4px}.math-mini{gap:8px;font-size:12px}.math-mini i{font-size:24px}.belief-section{padding-top:25px;padding-bottom:55px;display:block}.belief-section h2{font-size:36px}.belief-section>div>p:not(.eyebrow){max-width:100%;font-size:14px}.before-after{margin-top:30px;padding:22px}.before-after>p{font-size:25px}.before-after-top{font-size:9px}.before-after .text-link{gap:5px;font-size:10px}.method-section{padding:52px 0}.method-section .section-heading{display:block}.method-section .section-heading>p:last-child{max-width:100%;margin-top:22px;font-size:13px}.method-grid{grid-template-columns:1fr 1fr;gap:32px 25px;margin-top:35px}.method-grid h3{font-size:25px}.method-grid strong,.method-grid p{font-size:12px}.step-count{margin-bottom:15px}.founder{padding-top:55px;padding-bottom:55px;display:block}.founder-margin{align-items:center;gap:20px;margin-bottom:35px;padding:0;display:flex}.teacher-mark{font-size:69px}.founder-margin p{margin-top:0!important;font-size:11px!important}.founder h2{margin-bottom:23px;font-size:35px}.letter-lead{font-size:22px}.faq-section{padding-top:40px;padding-bottom:45px;display:block}.faq-section h2{margin-bottom:24px;font-size:32px}.faq summary{font-size:13px}.closing{padding-top:45px;padding-bottom:45px;display:block}.closing h2{font-size:40px}.closing>div:last-child{margin-top:25px}.closing p:not(.eyebrow){margin-bottom:20px;font-size:13px}.footer{padding-top:35px}.footer-top{display:block}.footer-top .wordmark{font-size:21px}.footer nav{gap:17px;margin-top:30px}.footer nav a{font-size:10px}.footer-bottom{margin-top:30px;display:block}.footer-bottom p:last-child{margin-top:15px}.product-hero{padding-top:30px;padding-bottom:40px;display:block}.back-link{margin-bottom:25px}.product-intro .context{font-size:9px}.product-name{font-size:16px}.product-intro h1{max-width:530px;font-size:40px}.product-description{max-width:540px;font-size:14px}.product-sample{margin-top:30px}.product-sample .demo-body{padding:22px}.product-sample .option{font-size:12px}.outcome-section{padding-top:40px;padding-bottom:40px;display:block}.outcome-section h2{margin-bottom:25px;font-size:33px}.outcome-section blockquote{font-size:23px}.inside-section{padding:45px 0}.inside-grid{display:block}.inside-grid h2{font-size:33px}.inclusions{margin-top:25px}.inclusions li{padding:15px 0;font-size:13px}.access-panel{margin-top:30px;padding:25px}.scope-section{padding-top:45px;padding-bottom:45px;display:block}.scope-section h2{font-size:32px}.syllabus-note{margin-top:30px}.scope-section p{font-size:13px}.finder-page,.hub,.method-hero,.about-intro{padding-top:38px;padding-bottom:50px}.finder-page h1,.hub h1,.method-hero h1,.about-intro h1{font-size:40px}.lead{font-size:16px}.finder-page .lead,.hub .lead,.method-hero .lead,.about-intro .lead{margin-top:22px}.finder{margin-top:35px}.finder legend,.finder-results h2{gap:12px;font-size:15px;line-height:1.5}.exam-choices{gap:15px}.exam-choices button{padding:20px;font-size:24px}.exam-choices small{font-size:10px!important}.finder-results strong{font-size:15px}.hub .product-grid{grid-template-columns:1fr;margin-top:30px}.hub .product-card-content{padding:24px}.hub .mini-visual{height:145px}.hub .card-problem{max-width:100%}.method-try{padding-top:45px;padding-bottom:50px;display:block}.method-try .challenge{margin-top:30px}.method-try h2{font-size:33px}.method-try p{max-width:100%;margin-top:20px}.about-intro{padding-bottom:0}.prose-page{padding-top:40px;padding-bottom:55px}.prose-page h1{font-size:40px}.prose-page section{margin-top:30px}.prose-page section p{font-size:14px}.demo-end{padding:25px}.sample-score strong{font-size:37px}.causal-chain{gap:8px}.causal-chain span{padding:10px 6px}.causal-chain svg{width:13px}}@media (max-width:370px){.container{padding-left:18px;padding-right:18px}.nav-wrap{padding:14px 18px}.hero{gap:23px;padding-top:25px}.hero h1{font-size:36px}.hero-description{font-size:13px}.hero-trust{font-size:9px}.hero .eyebrow{font-size:8px}.hero .demo-body{padding:17px}.hero .sentence-paper{font-size:20px}.hero .option{gap:9px;padding:11px 10px;font-size:11px}.lab-caption{font-size:7px}.lab-postscript{font-size:10px}.product-grid{grid-template-columns:1fr}.product-card .context{font-size:9px}.product-card h3{font-size:27px}.card-problem{min-height:0;font-size:14px}.product-card-content>p:not(.context):not(.card-problem){min-height:0;font-size:12px}.product-card .text-link{font-size:12px}.availability{font-size:9px}.mini-visual{height:125px}.sentence-mini{font-size:20px}.bio-mini{gap:12px;font-size:11px}.product-intro h1{font-size:35px}.product-sample .demo-body{padding:18px}.reaction-map{gap:5px;padding:20px 10px}.reaction-map strong{font-size:19px}.reaction-map small{font-size:7px}.reaction-arrow svg{width:23px}.before-after{padding:18px}.before-after-top{align-items:flex-start}.before-after>p{font-size:23px}.demo-title{font-size:17px}.math-question{padding:16px;font-size:20px}.footer nav{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}@media (max-width:720px){.nav-wrap{padding-top:11px;padding-bottom:11px}.hero{gap:20px;padding-top:23px}.hero h1{font-size:34px;line-height:1.1}.hero .sentence-paper{margin:14px 0;padding:14px;font-size:19px;line-height:1.55}.hero .demo-title{font-size:17px}.hero .demo-top{padding-top:10px;padding-bottom:10px}.hero .demo-instruction{display:none}.hero .demo-body{padding:18px}.hero-trust{margin-top:9px}.hero-description{margin-top:14px}.hero-copy .eyebrow{margin-bottom:13px}}@media (max-width:370px){.hero h1{font-size:32px}.hero .sentence-paper{font-size:18px}.hero .demo-body{padding:16px}}