@font-face{font-family:Fredoka;src:url('/assets/fonts/Fredoka-SemiBold.woff') format('woff');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Nunito;src:url('/assets/fonts/Nunito-Regular.woff') format('woff');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Nunito;src:url('/assets/fonts/Nunito-Bold.woff') format('woff');font-weight:600 800;font-style:normal;font-display:swap}
:root{--forest:#054A29;--lime:#B7CE63;--orange:#F79256;--purple:#AA6DA3;--cream:#FFF9F0;--night:#1C1B22;--line:#E6DEC8;--muted:#526250;--peach:#FFE7D5;--lavender:#F1E3EF;--pale:#F0F4DC;--radius:24px;font-family:Nunito,system-ui,sans-serif;color:var(--forest);background:var(--cream);font-synthesis:none;font-optical-sizing:auto;scroll-behavior:smooth;scroll-padding-top:110px}
*{box-sizing:border-box}body{margin:0}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}img,svg{display:block;max-width:100%}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--purple);outline-offset:5px}button:disabled{cursor:default}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Fredoka,ui-rounded,sans-serif;font-weight:600;letter-spacing:-.025em}p{line-height:1.65}::selection{background:var(--lime);color:var(--forest)}[hidden]{display:none!important}.section-wrap{width:min(1264px,calc(100% - 112px));margin-inline:auto}.skip-link{position:fixed;top:10px;left:10px;z-index:100;padding:12px 18px;background:var(--forest);color:white;transform:translateY(-180%);border-radius:8px}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,249,240,.94);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}.site-header.is-scrolled{border-color:var(--line);box-shadow:0 5px 20px #054a2905}.nav-wrap{width:min(1360px,calc(100% - 80px));height:100px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:inline-block;flex-shrink:0}.brand img{object-fit:contain}.desktop-nav{display:flex;gap:36px;margin-left:auto;margin-right:25px;font-size:15px;font-weight:700}.desktop-nav a{padding:10px 0;position:relative}.desktop-nav a:after{content:'';position:absolute;bottom:4px;left:0;width:0;height:2px;background:var(--forest);transition:width .2s}.desktop-nav a:hover:after{width:100%}.button{border:1px solid var(--forest);background:var(--forest);color:var(--cream);border-radius:12px;min-height:56px;padding:15px 23px;display:inline-flex;gap:12px;align-items:center;justify-content:center;font-weight:700;font-size:16px;line-height:1.25;transition:transform .2s,background .2s,box-shadow .2s;white-space:nowrap}.button:hover{background:#0c6038;transform:translateY(-2px);box-shadow:0 4px 0 var(--lime)}.button:active{transform:translateY(0)}.button-small{min-height:44px;padding:12px 18px;font-size:14px}.button svg{width:19px;height:19px;fill:currentColor;stroke:none}.text-link{font-weight:700;display:inline-flex;gap:18px;align-items:center;font-size:16px;padding:12px 0}.text-link>span{font-size:23px;transition:transform .2s}.text-link:hover>span{transform:translate(2px,-2px)}.menu-toggle{display:none}.mobile-nav{display:none}.eyebrow{display:flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.11em;font-weight:700;font-size:11px;line-height:1.7}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px #F7925617;flex-shrink:0}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:56px;align-items:center;padding-top:64px;padding-bottom:100px;min-height:740px}.hero-copy{padding-bottom:12px}.hero h1{font-size:clamp(54px,5.35vw,78px);line-height:1.09;letter-spacing:-.035em;margin:23px 0 27px;max-width:680px}.hero h1 span{color:var(--forest);position:relative;display:inline;box-decoration-break:clone}.hero-description{font-size:18px;line-height:1.75;max-width:505px;color:var(--muted)}.hero-actions{display:flex;gap:27px;align-items:center;margin-top:31px;flex-wrap:wrap}.hero-scope{font-size:13px;color:var(--muted);margin-top:20px}.hero-visual{height:542px;position:relative;isolation:isolate}.visual-orbit{position:absolute;border-radius:50%;z-index:-1}.orbit-lime{width:440px;height:440px;right:-25px;top:5px;background:#e9efce}.orbit-peach{width:185px;height:185px;left:-10px;bottom:23px;background:var(--peach)}.work-sheet{position:absolute;top:28px;left:4%;width:87%;height:312px;background:white;border:1.5px solid var(--line);box-shadow:5px 8px 0 #d8d5bd;transform:rotate(-6deg);border-radius:9px;padding:25px 29px}.sheet-heading{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700}.sheet-icon{width:25px;height:28px;color:var(--muted)}.sheet-icon svg{fill:none;stroke:currentColor;stroke-width:1.5}.sample-tag{margin-left:auto;font-size:9px;letter-spacing:.08em;color:var(--muted)}.worksheet-label{font-family:Fredoka;font-size:22px;margin-top:24px}.worksheet-equation{display:flex;align-items:center;gap:22px;font-family:Fredoka;font-size:35px;margin:15px 0 22px;padding-left:2px}.fraction{display:inline-flex;flex-direction:column;align-items:center;min-width:30px;line-height:1.2}.fraction>span:first-child{border-bottom:2px solid currentColor;width:100%;text-align:center}.written-answer{color:#AB5428;transform:rotate(5deg);position:relative}.written-answer:after{content:'';position:absolute;inset:-8px -12px;border:2px solid var(--orange);border-radius:45% 55% 48% 48%;transform:rotate(-8deg)}.worksheet-line{height:1px;background:#e8e5dd;width:78%;margin:10px 0}.worksheet-line.short{width:54%}.answer-annotation{position:absolute;bottom:16px;right:28px;font-size:12px;color:#8e4836;transform:rotate(1deg)}.annotation-arrow{width:65px;height:60px;position:absolute;right:14px;bottom:45px;fill:none;stroke:#AB5428;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.hero-focus{position:absolute;right:0;top:265px;width:78%;background:var(--forest);color:var(--cream);border-radius:20px;padding:23px 28px;box-shadow:4px 6px 0 var(--lime);transform:rotate(3deg)}.focus-top{display:flex;align-items:center;gap:9px;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--lime);font-weight:700}.focus-symbol{width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--lime);border-radius:50%;font-size:14px}.hero-focus h2{font-size:31px;line-height:1.16;margin:11px 0}.hero-focus p{font-size:12px;color:#e0e8d0;max-width:280px;line-height:1.6}.hero-mini-bar{display:flex;gap:4px;margin-top:20px;width:160px}.hero-mini-bar i{height:23px;flex:1;background:var(--lime);border-radius:2px}.hero-mini-bar i.empty{background:transparent;border:1px solid #a8bc8f}.hero-companions{position:absolute;left:-2%;bottom:10px;z-index:2;transform:rotate(-8deg);filter:drop-shadow(0 5px 0 #e6dec8);animation:companion-bob 6s ease-in-out infinite}.visual-caption{position:absolute;bottom:-36px;right:3%;font-size:10px;color:var(--muted)}@keyframes companion-bob{0%,100%{transform:translateY(0) rotate(-8deg)}50%{transform:translateY(-9px) rotate(-4deg)}}
.premise{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:48px 1fr 1.05fr;align-items:center;gap:28px;padding-block:43px}.premise h2{font-size:29px;line-height:1.22;max-width:360px}.premise p{font-size:16px;color:var(--muted);max-width:490px}.premise-icon{width:43px;height:43px;border-radius:50%;background:var(--peach);padding:8px}.premise-icon svg{fill:none;stroke:var(--forest);stroke-width:1.8}
.how-section{padding-block:112px 116px}.section-intro{display:grid;grid-template-columns:1fr 1fr;align-items:end;margin-bottom:44px;gap:10px 70px}.section-intro .eyebrow{grid-column:1/-1;margin-bottom:5px}.section-intro h2,.family-copy h2,.faq-heading h2,.closing-section h2{font-size:clamp(40px,3.8vw,54px);line-height:1.12;letter-spacing:-.027em}.section-intro>p:last-child{font-size:18px;color:var(--muted);padding-bottom:6px}.how-layout{display:grid;grid-template-columns:.87fr 1.13fr;gap:80px;align-items:center}.steps{display:flex;flex-direction:column}.step{display:grid;grid-template-columns:34px 1fr 25px;gap:14px;padding:28px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;position:relative}.step:first-child{border-top:1px solid var(--line)}.step:before{content:'';position:absolute;left:-20px;top:22px;bottom:22px;width:3px;border-radius:3px;background:transparent}.step[aria-selected=true]:before{background:var(--forest)}.step-number{font-size:12px;color:var(--muted);padding-top:5px;font-weight:700}.step-copy{display:block}.step-copy strong{font-family:Fredoka;font-size:23px;font-weight:600;letter-spacing:-.01em;line-height:1.25;display:block;margin-bottom:10px}.step-copy>span{color:var(--muted);font-size:15px;line-height:1.65;display:block;max-width:340px}.step-arrow{font-size:24px;opacity:0;transform:translate(-4px,4px);transition:all .2s}.step[aria-selected=true] .step-arrow,.step:hover .step-arrow{opacity:1;transform:translate(0)}.step[aria-selected=true] .step-number{color:var(--forest)}.example-frame{background:#fff;border:1.5px solid var(--line);border-radius:24px;box-shadow:0 7px 0 var(--line);overflow:hidden;min-height:525px}.example-top{display:flex;gap:9px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line);font-size:13px;font-weight:700}.example-notice{margin-left:auto;font-weight:400;font-size:10px;letter-spacing:.01em;color:var(--muted)}.step-panel{padding:27px 30px 24px;min-height:412px}.demo-kicker{font-size:11px;color:var(--muted);margin-bottom:13px}.step-panel h3{font-size:27px;line-height:1.25;letter-spacing:-.01em}.read-work{background:var(--cream);border:1px solid var(--line);border-radius:12px;margin-top:24px;padding:20px 22px}.read-work-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.read-work-equation{font-family:Fredoka;font-size:32px;margin:21px 0 16px}.read-work-equation>span{color:#A84E21;border-bottom:2px solid var(--orange)}.pencil-note{border-top:1px solid var(--line);padding-top:13px;font-size:14px;color:var(--muted)}.small-note{display:flex;align-items:start;gap:11px;margin-top:21px;color:var(--muted)}.small-note>span{font-size:21px;color:var(--forest);line-height:1.4}.small-note p{font-size:12px;line-height:1.6}.mini-skill-path{display:flex;flex-direction:column;gap:19px;margin:24px auto 0;max-width:330px;position:relative}.mini-skill-path:before{content:'';position:absolute;top:14px;bottom:22px;left:17px;width:1.5px;background:var(--line)}.mini-skill-path>div{padding:10px 10px 10px 42px;font-size:14px;position:relative;line-height:1.5}.path-dot{position:absolute;left:10px;top:16px;width:15px;height:15px;border:1.5px solid var(--muted);background:white;border-radius:50%}.highlight-node{background:var(--pale);border:1px solid var(--lime);border-radius:10px;font-weight:700}.highlight-node .path-dot{background:var(--lime);border-color:var(--forest)}.example-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding:13px 24px;font-size:10px;color:var(--muted)}#demo-step-index{font-family:Fredoka;font-size:14px;color:var(--forest)}.practice-equation{font-family:Fredoka;font-size:29px;margin-top:16px}.fraction-model{display:flex;gap:5px;margin-top:20px}.fraction-model>span{flex:1;height:45px;border:1px solid var(--line);border-radius:4px;background:white}.fraction-model .shaded{background:var(--forest);border-color:var(--forest);animation:piece-in .45s both}.fraction-model .shaded:nth-child(2){animation-delay:.1s}.fraction-model .shaded:nth-child(3){animation-delay:.2s}.model-caption{font-size:10px;color:var(--muted);margin-top:8px}.answer-options{display:flex;gap:12px;margin-top:21px}.answer-options button{flex:1;background:var(--cream);border:1px solid var(--line);border-radius:10px;padding:10px;font-family:Fredoka;font-size:22px;transition:background .15s,border-color .15s}.answer-options span{display:block;font-family:Nunito;font-size:10px;margin-top:2px;font-weight:400}.answer-options button:hover,.answer-options button.is-selected{border-color:var(--forest);background:var(--pale)}.answer-options button.correct,.answer-options button.is-correct{background:var(--pale);border-color:var(--forest)}.answer-options button.incorrect,.answer-options button.is-incorrect{background:var(--peach);border-color:var(--orange)}.answer-feedback{min-height:42px;font-size:12px;color:var(--muted);margin-top:14px;line-height:1.6}.answer-feedback.correct,.answer-feedback.is-correct{color:var(--forest)}.answer-feedback.hint,.answer-feedback.is-hint{color:#8a441f}.practice-tools{display:flex;align-items:center;justify-content:space-between;margin-top:3px}.text-button{border:0;background:none;padding:7px 0;font-weight:700;font-size:12px;text-align:left}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.text-button>span{margin-left:6px}@keyframes piece-in{from{transform:translateY(6px);opacity:0}to{transform:translateY(0);opacity:1}}
.connections-section{background:var(--forest);color:var(--cream);position:relative;overflow:hidden}.connections-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;padding-block:90px 95px;align-items:center}.connections-copy .eyebrow{color:var(--lime);margin-bottom:20px}.connections-copy h2{font-size:clamp(37px,3.2vw,47px);line-height:1.16}.connections-copy>p:not(.eyebrow){color:#d5e1c8;margin-top:24px;font-size:16px;max-width:440px;line-height:1.75}.connections-copy .connection-note{font-size:12px!important;color:var(--lime)!important;margin-top:25px!important}.skill-diagram{height:340px;position:relative}.graph-lines{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#91AA6C;stroke-width:2}.graph-node{position:absolute;width:31%;text-align:center;top:174px;transform:translateX(-50%);font-size:13px}.graph-node-one{left:14.8%}.graph-node-two{left:50%;top:72px}.graph-node-three{left:85.2%}.graph-mark{height:79px;width:79px;margin:0 auto 13px;border:1px solid #97AF7E;border-radius:50%;display:grid;place-items:center;background:var(--forest)}.graph-mark svg{width:28px;height:28px;fill:none;stroke:var(--cream);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.graph-node strong{font-weight:700;display:block;font-size:13px;line-height:1.5}.graph-node small{display:block;color:#c8d8b2;font-size:10px;margin-top:6px}.graph-node-two .graph-mark{background:var(--lime);border:1px solid var(--lime);box-shadow:0 0 0 8px #B7CE6316}.graph-node-two .graph-mark svg{stroke:var(--forest)}.graph-node-two small{color:var(--lime)}.graph-caption{position:absolute;bottom:-10px;left:0;right:0;text-align:center;font-size:10px;color:#b1c99c}
.family-section{display:grid;grid-template-columns:1fr 1fr;gap:112px;align-items:center;padding-block:120px}.family-preview{position:relative;background:var(--pale);border:1px solid #dce5be;border-radius:22px;padding:30px 30px 125px;box-shadow:0 6px 0 #e0e6c7;transform:rotate(-2deg)}.parent-view-top{display:flex;align-items:center;gap:11px;padding-bottom:24px;border-bottom:1px solid #d6dfb7}.parent-avatar{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--peach);font-size:17px}.parent-view-top strong{display:block;font-size:14px}.parent-view-top div>span{font-size:10px;color:var(--muted);display:block;margin-top:3px}.parent-view-date{font-size:11px;margin-left:auto;color:var(--muted)}.parent-focus-label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;margin-top:25px;font-weight:700;color:var(--muted)}.family-preview h3{font-size:28px;line-height:1.15;margin:9px 0 24px}.parent-detail{display:flex;align-items:start;gap:12px;margin-bottom:19px}.detail-number{font-size:10px;color:var(--muted);background:#e5edc9;border:1px solid #ccd8a6;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.parent-detail strong{font-size:12px;display:block;padding-top:2px}.parent-detail p{font-size:11px;color:var(--muted);line-height:1.6;margin-top:5px;max-width:315px}.parent-next{border-top:1px solid #d6dfb7;padding-top:17px;display:flex;gap:15px;align-items:center;position:relative;z-index:1}.parent-next span{display:block;font-size:10px;color:var(--muted)}.parent-next strong{font-size:12px;display:block;margin-top:4px}.parent-next svg{width:21px;height:21px;margin-left:auto;fill:none;stroke:var(--forest);stroke-width:1.5}.family-garden{position:absolute;right:18px;bottom:15px;width:230px;max-height:110px;object-fit:contain}.family-copy .eyebrow{margin-bottom:20px}.family-copy h2{font-size:clamp(37px,3.7vw,50px)}.family-copy>p:not(.eyebrow){font-size:17px;color:var(--muted);margin-top:25px;max-width:450px}.family-list{list-style:none;margin:27px 0 0;padding:0;display:flex;flex-direction:column;gap:17px;font-size:15px}.family-list li{display:flex;align-items:center;gap:12px}.family-list span{height:22px;width:22px;display:grid;place-items:center;border-radius:50%;background:var(--pale);border:1px solid #d5dfb4;font-size:12px;flex-shrink:0}.family-copy .family-note{font-size:12px!important;margin-top:26px!important;max-width:380px!important}
.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:110px;padding-block:45px 108px}.faq-heading .eyebrow{margin-bottom:18px}.faq-heading h2{font-size:48px}.faq-heading img{margin-top:40px;width:270px}.faq-items{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:16px;font-weight:700;line-height:1.5}summary::-webkit-details-marker{display:none}summary>span{font-weight:400;font-size:25px;line-height:1;flex-shrink:0;width:20px;transition:transform .2s}details[open] summary>span{transform:rotate(45deg)}details>p{font-size:15px;line-height:1.75;color:var(--muted);padding:0 35px 24px 0;max-width:620px}
.closing-section{background:var(--peach);border:1px solid #f2d9bd;border-radius:32px;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;padding:64px 70px;align-items:center;margin-bottom:64px;position:relative;overflow:hidden}.closing-section .eyebrow{margin-bottom:17px}.closing-section h2{font-size:52px}.closing-section p:not(.eyebrow){font-size:16px;color:#5b6044;margin-top:23px}.closing-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:29px}.closing-actions .text-link{font-size:14px}.closing-companions{width:300px;transform:rotate(6deg);justify-self:center}.site-footer{padding-block:5px 30px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:24px;border-bottom:1px solid var(--line)}.footer-top>p{font-size:11px;color:var(--muted)}.footer-top>a:last-child{font-size:12px}.footer-top>a:last-child span{margin-left:9px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;font-size:10px;color:var(--muted);padding-top:20px}
@media(min-width:1000px){[data-reveal]{transition:transform .65s ease,opacity .65s ease}[data-reveal].will-reveal:not(.is-visible){opacity:0;transform:translateY(18px)}}
@media(min-width:1550px){.hero{padding-top:80px;padding-bottom:125px}.hero h1{font-size:83px}.nav-wrap{height:110px}.hero-visual{height:565px}.hero-focus{top:283px}.hero-companions{bottom:15px}}
@media(max-width:1150px){.section-wrap{width:calc(100% - 80px)}.hero{gap:32px;grid-template-columns:1.05fr 1fr;padding-top:45px;min-height:680px}.hero h1{font-size:62px}.hero-description{font-size:17px}.hero-actions{gap:18px}.hero-visual{height:505px}.hero-focus{padding:23px;top:255px;width:82%}.hero-focus h2{font-size:28px}.work-sheet{left:0;width:93%;padding:23px}.worksheet-equation{gap:18px}.sheet-heading{font-size:11px}.orbit-lime{width:365px;height:365px;right:-20px;top:32px}.hero-companions{width:120px;bottom:12px}.how-layout{gap:50px;grid-template-columns:.9fr 1.1fr}.step-panel{padding:25px;min-height:422px}.step-copy strong{font-size:21px}.family-section{gap:65px}.family-copy h2{font-size:43px}.faq-section{gap:70px}.closing-section{padding:55px}.closing-section h2{font-size:46px}.closing-actions{gap:20px}.connections-inner{gap:35px}.connections-copy h2{font-size:39px}.desktop-nav{gap:25px;margin-right:10px}}
@media(max-width:900px){.section-wrap{width:calc(100% - 56px)}.nav-wrap{width:calc(100% - 56px);height:84px}.brand img{width:155px;height:auto}.desktop-nav{gap:20px;font-size:13px;margin-right:0}.nav-demo{font-size:12px;min-height:42px;padding:10px 14px}.hero{gap:35px;grid-template-columns:1fr 1fr;padding-top:45px;padding-bottom:80px;min-height:620px}.hero h1{font-size:50px}.hero .eyebrow{font-size:9px}.hero-description{font-size:15px}.hero-scope{font-size:11px}.hero-actions .button{font-size:14px;min-height:50px;padding:13px 17px}.hero-actions .text-link{font-size:14px;gap:12px}.hero-actions{gap:14px;margin-top:25px}.hero-visual{height:450px}.work-sheet{top:30px;height:265px;padding:20px 20px}.sheet-heading{gap:7px;font-size:9px}.sheet-icon{width:19px}.sample-tag{font-size:8px}.worksheet-label{font-size:20px;margin-top:18px}.worksheet-equation{font-size:29px;gap:17px;margin-top:15px}.annotation-arrow{bottom:30px;width:48px;height:45px}.answer-annotation{font-size:10px;right:17px;bottom:14px}.hero-focus{top:236px;padding:19px;width:84%}.focus-top{font-size:9px}.hero-focus h2{font-size:24px}.hero-focus p{font-size:10px}.hero-mini-bar{width:130px;margin-top:14px}.hero-mini-bar i{height:18px}.hero-companions{width:99px;bottom:-5px;left:0}.orbit-lime{width:320px;height:320px;right:-8px;top:22px}.orbit-peach{width:135px;height:135px;bottom:0}.visual-caption{font-size:9px;bottom:-48px}.premise{grid-template-columns:1fr 1.1fr;gap:20px;padding-block:35px}.premise-icon{display:none}.premise h2{font-size:25px}.premise p{font-size:14px}.how-section{padding-block:80px}.section-intro{gap:10px 35px}.section-intro h2{font-size:43px}.section-intro>p:last-child{font-size:16px}.how-layout{gap:32px;grid-template-columns:.88fr 1.12fr}.step{gap:9px;grid-template-columns:26px 1fr 15px;padding:25px 0}.step:before{left:-12px}.step-copy strong{font-size:20px}.step-copy>span{font-size:13px}.step-number{font-size:10px}.step-arrow{font-size:19px}.example-top{padding:15px 18px;font-size:11px}.example-notice{font-size:9px}.step-panel{padding:23px 20px;min-height:420px}.step-panel h3{font-size:23px}.read-work{padding:17px 15px}.read-work-equation{font-size:28px}.pencil-note{font-size:12px}.demo-kicker{font-size:10px}.small-note p{font-size:11px}.example-bottom{padding:12px 18px;font-size:9px}.answer-options{gap:8px}.answer-feedback{font-size:11px}.connections-inner{padding-block:65px;grid-template-columns:.85fr 1.15fr;gap:30px}.connections-copy h2{font-size:34px}.connections-copy>p:not(.eyebrow){font-size:14px}.graph-mark{width:65px;height:65px}.graph-node{width:34%;font-size:11px}.graph-node strong{font-size:11px}.graph-node small{font-size:9px}.family-section{padding-block:90px;gap:40px}.family-preview{padding:23px 22px 115px}.family-preview h3{font-size:25px}.family-copy h2{font-size:37px}.family-copy>p:not(.eyebrow){font-size:15px}.family-list{font-size:13px;gap:15px}.parent-detail p{font-size:10px}.parent-detail{gap:9px}.family-copy .family-note{font-size:11px!important}.faq-section{padding-block:20px 80px;gap:45px;grid-template-columns:.75fr 1.25fr}.faq-heading h2{font-size:37px}.faq-heading img{width:215px}.faq-items summary{font-size:14px;padding:20px 0}.faq-items details>p{font-size:13px}.closing-section{padding:45px;gap:30px;grid-template-columns:1.3fr .7fr}.closing-section h2{font-size:40px}.closing-section p:not(.eyebrow){font-size:14px}.closing-companions{width:240px}.closing-actions .button{font-size:14px}.closing-actions{gap:15px}.closing-actions .text-link{font-size:12px}.footer-top>p{font-size:10px}.footer-top .brand img{width:130px}}
@media(max-width:700px){:root{scroll-padding-top:96px}.section-wrap{width:calc(100% - 40px)}.nav-wrap{width:calc(100% - 40px);height:79px;gap:16px}.brand img{width:148px}.desktop-nav,.nav-demo{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;align-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:transparent}.menu-toggle span{width:17px;height:1.5px;background:var(--forest);transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.75px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}.mobile-nav:not([hidden]){display:flex;flex-direction:column;gap:4px;border-bottom:1px solid var(--line);padding:10px 20px 20px;background:var(--cream)}.mobile-nav a{padding:11px 0;font-size:15px;font-weight:700}.mobile-nav button{font-size:15px;padding:11px 0}.hero{grid-template-columns:1fr;gap:28px;padding-top:37px;padding-bottom:75px;min-height:auto}.hero-copy{padding:0}.hero .eyebrow{font-size:9px;letter-spacing:.075em}.hero h1{font-size:clamp(43px,9.4vw,60px);max-width:600px;line-height:1.11;margin:20px 0 21px}.hero h1 span{display:block}.hero-description{font-size:16px;line-height:1.7;max-width:540px}.hero-actions{gap:23px;margin-top:25px}.hero-actions .button{min-height:52px;font-size:14px;padding:14px 18px}.hero-actions .text-link{font-size:14px;gap:12px}.hero-scope{font-size:11px;margin-top:17px}.hero-visual{height:440px;width:min(440px,100%);margin:8px auto 0}.work-sheet{left:3%;width:88%;top:19px;height:270px;padding:22px 24px}.sheet-heading{font-size:11px;gap:9px}.sheet-icon{width:23px}.sample-tag{font-size:8px}.worksheet-label{font-size:22px;margin-top:20px}.worksheet-equation{gap:24px;font-size:30px;margin-top:12px}.hero-focus{top:235px;width:78%;right:0;padding:20px 23px}.hero-focus h2{font-size:27px}.hero-focus p{font-size:11px}.focus-top{font-size:9px}.hero-mini-bar{width:145px;margin-top:16px}.hero-mini-bar i{height:19px}.hero-companions{width:112px;bottom:-15px;left:0}.orbit-lime{width:340px;height:340px;right:-4px;top:10px}.orbit-peach{left:-4px;bottom:0}.answer-annotation{font-size:11px}.visual-caption{bottom:-46px;font-size:9px;right:0}.premise{grid-template-columns:1fr;gap:17px;padding-block:32px}.premise h2{font-size:28px;max-width:none}.premise p{font-size:15px;max-width:580px}.how-section{padding-block:65px 72px}.section-intro{grid-template-columns:1fr;gap:0;margin-bottom:27px}.section-intro .eyebrow{margin-bottom:17px}.section-intro h2{font-size:41px}.section-intro>p:last-child{font-size:15px;margin-top:19px}.how-layout{grid-template-columns:1fr;gap:31px}.step{padding:20px 4px;grid-template-columns:28px 1fr 20px;gap:12px}.step:before{left:-10px;top:18px;bottom:18px}.step-copy strong{font-size:22px;margin-bottom:7px}.step-copy>span{font-size:14px;max-width:520px}.step-number{font-size:11px}.step-arrow{font-size:21px;opacity:1}.example-frame{border-radius:19px}.step-panel{padding:26px;min-height:423px}.example-top{padding:16px 22px;font-size:12px}.example-notice{font-size:9px}.step-panel h3{font-size:26px}.demo-kicker{font-size:11px}.read-work{padding:19px;margin-top:23px}.read-work-equation{font-size:31px}.pencil-note{font-size:13px}.small-note p{font-size:12px}.example-bottom{font-size:9px;padding:14px 22px}.practice-equation{font-size:29px}.answer-feedback{font-size:12px}.answer-options button{font-size:23px}.fraction-model>span{height:48px}.connections-inner{grid-template-columns:1fr;gap:25px;padding-block:60px 55px}.connections-copy h2{font-size:39px}.connections-copy>p:not(.eyebrow){font-size:15px;max-width:560px}.connections-copy .eyebrow{margin-bottom:17px}.connections-copy .connection-note{font-size:11px!important;margin-top:19px!important}.skill-diagram{height:320px;max-width:560px;width:100%;margin:0 auto}.graph-node-one,.graph-node-three{top:165px}.graph-node-two{top:68px}.graph-node strong{font-size:11px}.graph-mark{width:67px;height:67px;margin-bottom:12px}.graph-node small{font-size:9px}.graph-caption{font-size:9px;bottom:-4px}.family-section{grid-template-columns:1fr;gap:38px;padding-block:68px}.family-copy{grid-row:1}.family-copy h2{font-size:40px}.family-copy>p:not(.eyebrow){max-width:560px;font-size:16px;margin-top:22px}.family-list{font-size:14px;gap:16px;margin-top:24px}.family-copy .family-note{font-size:12px!important}.family-preview{width:min(480px,calc(100% - 10px));margin:0 auto;padding:27px 27px 125px;transform:rotate(-1.5deg)}.family-preview h3{font-size:29px}.parent-detail p{font-size:12px}.parent-detail strong{font-size:13px}.parent-next strong{font-size:13px}.parent-next span{font-size:11px}.parent-detail{margin-bottom:22px;gap:12px}.family-garden{width:220px}.faq-section{grid-template-columns:1fr;gap:28px;padding-block:15px 65px}.faq-heading h2{font-size:40px}.faq-heading img{display:none}.faq-heading .eyebrow{margin-bottom:15px}.faq-items summary{font-size:15px;padding:23px 0}.faq-items details>p{font-size:14px;padding-right:20px}.closing-section{width:calc(100% - 28px);grid-template-columns:1fr;gap:25px;padding:38px 27px 30px;border-radius:24px;margin-bottom:40px}.closing-section h2{font-size:41px}.closing-section p:not(.eyebrow){font-size:15px;line-height:1.7}.closing-section p:not(.eyebrow) br{display:none}.closing-companions{position:absolute;width:122px;right:24px;top:29px;opacity:.21;z-index:0;transform:rotate(10deg)}.closing-section>div{position:relative;z-index:1}.closing-actions{gap:22px;margin-top:25px}.closing-actions .text-link{font-size:13px}.closing-actions .button{min-height:51px;padding:14px 18px}.site-footer{padding-bottom:25px}.footer-top{display:grid;grid-template-columns:1fr auto;gap:20px;padding-bottom:21px}.footer-top>p{grid-row:2;grid-column:1/-1;font-size:10px}.footer-top>a:last-child{font-size:11px}.footer-top .brand img{width:139px}.footer-bottom{font-size:9px;gap:14px;align-items:start}.footer-bottom>p:last-child{max-width:190px;text-align:right}}
@media(max-width:380px){.section-wrap{width:calc(100% - 32px)}.nav-wrap{width:calc(100% - 32px)}.hero h1{font-size:42px}.hero-description{font-size:15px}.hero-actions{gap:16px}.hero-actions .button{font-size:13px;padding:13px 15px}.hero-actions .text-link{font-size:13px}.hero-visual{height:405px}.work-sheet{padding:20px;left:2%;width:90%;height:250px}.worksheet-equation{gap:19px}.sheet-heading{font-size:10px}.hero-focus{top:219px;padding:18px 20px;width:79%}.hero-focus h2{font-size:25px}.hero-focus p{font-size:10px}.hero-companions{width:96px;bottom:-13px}.orbit-lime{width:295px;height:295px}.step-panel{padding:23px 21px}.step-panel h3{font-size:24px}.example-top{padding:15px 17px;gap:7px}.example-notice{font-size:8px}.small-note p{font-size:11px}.family-preview{padding:24px 23px 120px}.family-preview h3{font-size:27px}.connections-copy h2{font-size:35px}.graph-mark{height:60px;width:60px}.graph-node strong{font-size:10px}.graph-node small{font-size:8px}.closing-section h2{font-size:37px}.closing-actions{gap:16px}.closing-actions .text-link{font-size:12px}.closing-actions .button{font-size:13px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}[data-reveal]{opacity:1!important;transform:none!important}}
.answer-options button.hint{background:var(--peach);border-color:var(--orange)}