@font-face{font-family:Bricolage;src:url('/assets/fonts/bricolage.woff2') format('woff2');font-style:normal;font-weight:400 800;font-display:swap}
@font-face{font-family:Nunito;src:url('/assets/fonts/nunito.woff2') format('woff2');font-style:normal;font-weight:400 800;font-display:swap}
:root{color-scheme:light;--bg:#f8faf7;--paper:#fffefa;--text:#182e41;--muted:#526777;--line:#d5e0e2;--blue:#0763bc;--sky:#0763bc;--yellow:#f6d965;--mint:#dff2e8;--lilac:#ece9fa;--display:Bricolage,'Avenir Next',sans-serif;--body:Nunito,'Avenir Next',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default}button,input,textarea,select{font-size:inherit}p{line-height:1.7}h1,h2,h3,h4{font-family:var(--display);font-weight:750;letter-spacing:-.045em;margin-top:0}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #874ca8;outline-offset:5px}[hidden]{display:none!important}.wrap{width:min(1260px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-100px;left:1rem;background:var(--text);color:var(--paper);padding:16px;z-index:100}.skip:focus{top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.nav{height:100px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:12px;line-height:1.1;letter-spacing:0;font-weight:650}.brand strong{font-family:var(--display);font-size:28px;letter-spacing:-.055em;font-weight:800}.brand img{flex-shrink:0}.nav nav{display:flex;gap:30px;font-size:14px;font-weight:750}.nav nav a{padding-block:12px}.nav nav a:hover,.footer a:hover{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:17px 23px;border:1.5px solid transparent;border-radius:12px;font-size:15px;line-height:1.4;font-weight:800;min-height:50px;transition:transform .18s,box-shadow .18s,background .18s;text-align:center}.button:hover{transform:translateY(-3px);box-shadow:0 6px 0 #16354a12}.button:active{transform:translateY(0);box-shadow:none}.button.small{padding:11px 17px;min-height:44px;font-size:13px;gap:18px}.button.compact{padding:10px 17px;min-height:42px;font-size:13px}.primary{background:var(--blue);color:#fffefa;border-color:var(--blue)}.primary:hover{background:#07559d}.outline{border-color:#bdced5;background:transparent}.light{background:var(--paper);color:var(--text);border-color:var(--line)}.text-link{display:inline-block;font-size:14px;font-weight:800;color:var(--blue);line-height:1.7;text-underline-offset:5px}.text-link:hover{text-decoration:underline}.actions{display:flex;flex-wrap:wrap;gap:25px;align-items:center}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;line-height:1.7;color:var(--blue);margin:0 0 22px}.status-dot,.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#31976e;margin-right:7px;box-shadow:0 0 0 4px #31976e12}.blue,.sky{color:var(--blue)}
.hero{padding-block:65px 75px;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.hero h1{font-size:clamp(65px,7.65vw,108px);letter-spacing:-.075em;line-height:.96;margin:0 0 32px;font-weight:800}.hero-click{display:inline-block;position:relative;color:var(--blue)}.hero-click svg{position:absolute;width:110%;height:24px;bottom:-13px;left:0;overflow:visible;fill:none;stroke:#f0c842;stroke-linecap:round;stroke-width:6}.intro{font-size:18px;line-height:1.65;color:var(--muted);max-width:500px;margin:0 0 28px}.hero .text-link{font-size:13px}.hero-note{display:flex;align-items:center;gap:13px;margin-top:30px}.hero-note p{font-size:11px;color:var(--muted);line-height:1.55;margin:0}.hero-note strong{color:var(--text)}.mini-brains{display:flex;padding-left:0}.mini-brains img{border:2px solid var(--paper);border-radius:50%;background:var(--mint);object-fit:cover;margin-left:-9px}.mini-brains img:first-child{margin-left:0}.mini-brains img:nth-child(2){background:#fff0c6}.mini-brains img:nth-child(3){background:var(--lilac)}.hero-stage{position:relative;isolation:isolate;padding:42px 0 110px 12px;min-width:0}.hero-stage:before{content:'';position:absolute;inset:0 -18px 16px 0;background:#e4f0f8;border-radius:46% 42% 43% 45%;transform:rotate(-9deg);z-index:-2}.hero-stage:after{content:'';position:absolute;inset:5px -20px 0 12px;background-image:radial-gradient(#477aa31c 1px,transparent 1px);background-size:18px 18px;border-radius:45%;z-index:-1;pointer-events:none}.orbit-word{position:absolute;font-family:var(--display);font-weight:750;font-size:15px;border:1px solid #d7bf772f;padding:10px 19px;box-shadow:0 4px 0 #22415b08;border-radius:8px;z-index:2}.orbit-one{background:#fce5b0;top:2px;left:25px;transform:rotate(-8deg)}.orbit-two{background:#e6e0f8;right:-5px;top:30px;transform:rotate(9deg)}.hero-spark{width:65px;height:65px;position:absolute;right:-30px;top:145px;fill:var(--yellow);transform:rotate(12deg)}.spark-card{position:relative;background:var(--paper);border:1px solid #ccdce8;border-radius:20px;box-shadow:0 20px 60px #326ba218,0 5px 0 #aec7dc44;width:calc(100% - 28px);max-width:470px;margin-inline:auto;z-index:1}.spark-top{padding:17px 21px;display:flex;align-items:center;justify-content:space-between;gap:9px;border-bottom:1px solid #e1e8ec;font-size:9px;font-weight:800;letter-spacing:.09em}.language-switch{display:flex;gap:3px;padding:3px;border-radius:9px;background:#eef3f6}.language-switch button{border:0;background:transparent;min-width:33px;min-height:30px;padding:5px;border-radius:6px;font-size:10px;font-weight:800}.language-switch button[aria-pressed=true]{background:var(--paper);color:var(--blue);box-shadow:0 1px 4px #22415b12}.spark-body{padding:25px 27px 21px;min-height:347px}.challenge-meta{display:flex;justify-content:space-between;color:#617586;font-size:9px;font-weight:800;letter-spacing:.07em}.challenge-clue{font-size:15px;margin:28px 0 8px;color:var(--muted)}#challenge-prompt{font-size:clamp(28px,3.5vw,44px);line-height:1.12;margin:0 0 7px;letter-spacing:-.045em}#challenge-prompt span{color:var(--blue)}.challenge-context{color:var(--muted);font-size:12px;margin:0 0 22px;min-height:20px}.spark-answers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0;margin:0;border:0;min-width:0}.spark-answers button{background:#f0f5fa;border:1.5px solid #d1dfeb;border-radius:10px;padding:13px 7px;min-height:49px;font-weight:800;font-size:15px;overflow-wrap:anywhere;transition:background .15s,transform .15s,border-color .15s}.spark-answers button:hover:not(:disabled){border-color:var(--blue);transform:translateY(-2px)}.spark-answers.long-answers{grid-template-columns:1fr}.spark-answers.long-answers button{padding:10px;font-size:13px;min-height:38px}.spark-answers .correct{background:#e0f4e8;border-color:#51a477;color:#17623c}.spark-answers .try{background:#fff3d3;border-color:#d7b548;color:#6c5011}.spark-feedback{font-size:12px;line-height:1.6;min-height:39px;margin:16px 0 10px;color:#506878}.spark-progress{display:flex;gap:7px;max-width:110px;margin-top:18px}.spark-progress span{height:5px;background:#e2eaf0;flex:1;border-radius:9px}.spark-progress span.done{background:#58a68a}.spark-foot{font-size:10px;display:flex;justify-content:space-between;gap:10px;border-top:1px solid #e2eaf0;padding:16px 21px;font-weight:800}.spark-foot span{color:var(--muted);font-weight:600}.brain-hint{background:none;border:0;position:absolute;right:-34px;bottom:1px;z-index:3;padding:0;transition:transform .2s}.brain-hint:hover{transform:rotate(-5deg) translateY(-5px)}.brain-hint img{display:block;width:170px;height:170px;object-fit:contain;filter:drop-shadow(0 10px 8px #38597615)}.brain-hint span{position:absolute;right:12px;bottom:6px;white-space:nowrap;font-size:10px;font-weight:800;background:var(--paper);padding:8px 13px;border:1px solid #d1ddea;border-radius:99px;box-shadow:0 4px 10px #326ba212}.stage-note{position:absolute;left:8px;bottom:23px;font-family:var(--display);font-size:13px;font-weight:600;transform:rotate(-5deg);max-width:240px}.stage-note svg{display:block;width:65px;height:45px;stroke:#678da9;stroke-width:2.5;fill:none;stroke-linecap:round;margin-left:30px;transform:rotate(15deg)}.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden;border-radius:20px}.confetti i{position:absolute;top:40%;left:50%;width:7px;height:14px;background:var(--yellow);opacity:0}.confetti i:nth-child(2n){background:#56a8da}.confetti i:nth-child(3n){background:#ba98ce}.confetti i:nth-child(4n){background:#66ae83}.celebrate .confetti i{animation:burst .8s ease-out both}.confetti i:nth-child(1){--x:-170px;--y:-140px;--r:40deg}.confetti i:nth-child(2){--x:140px;--y:-160px;--r:130deg}.confetti i:nth-child(3){--x:-135px;--y:140px;--r:250deg}.confetti i:nth-child(4){--x:100px;--y:150px;--r:80deg}.confetti i:nth-child(5){--x:-190px;--y:25px;--r:160deg}.confetti i:nth-child(6){--x:180px;--y:5px;--r:320deg}.confetti i:nth-child(7){--x:-40px;--y:-175px;--r:70deg}.confetti i:nth-child(8){--x:15px;--y:180px;--r:200deg}@keyframes burst{0%{opacity:0;transform:translate(0,0) rotate(0)}20%{opacity:1}100%{opacity:0;transform:translate(var(--x),var(--y)) rotate(var(--r))}}
.promise-strip{border-block:1px solid var(--line);background:#eff5ef}.promise-strip .wrap{display:flex;justify-content:space-between;gap:22px;padding-block:23px;font-size:12px;color:var(--muted)}.promise-strip b{font-family:var(--display);font-size:16px;color:var(--text);margin-right:7px}.section{padding-block:100px}.section-intro{display:grid;grid-template-columns:1.25fr 1fr;gap:75px;align-items:end;margin-bottom:42px}.section-intro h2,.brain-copy h2,.people-statement h2,.faq-section h2{font-size:clamp(34px,4.15vw,58px);line-height:1.09;letter-spacing:-.055em;margin:0}.section-intro p:not(.eyebrow){font-size:17px;color:var(--muted);max-width:440px;margin-top:0}.section-intro .interaction-cue{font-size:12px!important;margin-bottom:0;font-weight:800;color:var(--blue)!important}.interaction-cue span{font-size:22px;margin-right:10px}.classroom-demo{border:1px solid #cadbe5;border-radius:19px;background:#fffefa;box-shadow:0 15px 45px #30638509;overflow:hidden}.classroom-top{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 26px;border-bottom:1px solid #dfE8ed}.classroom-brand{display:flex;gap:10px;align-items:center;font-family:var(--display);font-size:15px}.demo-label{font-size:10px;color:var(--muted)}.journey-nav{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid #dbe4e9;background:#f4f7f9}.journey-nav button{border:0;border-right:1px solid #dbe4e9;background:transparent;font-size:13px;font-weight:800;padding:20px 15px;min-height:58px;transition:background .15s}.journey-nav button:last-child{border-right:0}.journey-nav button span{font-size:10px;color:#526777;margin-right:10px}.journey-nav button[aria-pressed=true]{background:#e6f0fb;box-shadow:inset 0 -3px var(--blue);color:#07569e}.journey-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:40px;min-height:420px;align-items:center}.roster-copy h3{font-size:34px;line-height:1.1;margin-bottom:20px}.roster-copy>p:not(.eyebrow){font-size:14px;color:var(--muted);max-width:400px}.roster-editor label,.assignment-demo label,.demo-feedback-editor label{display:block;font-size:12px;font-weight:800;margin-bottom:8px}.roster-editor textarea,.assignment-demo select,.demo-feedback-editor textarea{display:block;width:100%;border:1px solid #c3d5df;border-radius:10px;padding:13px 15px;background:#f9fbfc;color:var(--text);line-height:1.6;resize:vertical;min-height:46px}.roster-editor textarea{font-size:15px}.quiet{font-size:11px!important;color:var(--muted)!important;line-height:1.65}.roster-editor .button{margin-top:9px}.assignment-sheet{background:#fcf8e8;border:1px solid #e7dcac;border-radius:9px;padding:23px;margin:18px 0;transform:rotate(-1deg)}.assignment-sheet>span{font-size:9px;font-weight:800;letter-spacing:.1em;color:#716c4a}.assignment-sheet h4{font-size:21px;margin:14px 0 22px;line-height:1.3}.assignment-sheet p{font-size:10px;color:#736f55}.answer-lines{height:50px;background:repeating-linear-gradient(transparent 0,transparent 22px,#d5cba8 23px,transparent 24px)}.journey-live{padding:28px 32px 22px;min-height:420px;background:#f6f9fb}.demo-live-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.demo-live-header h3{font-size:20px;margin:0 0 5px}.demo-live-header p{font-size:12px;color:var(--muted);margin:0}.demo-filters{display:flex;gap:5px;background:#eaf0f4;border-radius:9px;padding:4px}.demo-filters button{border:0;background:none;padding:10px 13px;min-height:38px;font-size:11px;font-weight:800;border-radius:7px}.demo-filters button[aria-pressed=true]{background:var(--paper);box-shadow:0 2px 4px #18374f0c}.demo-filters span{display:inline-grid;place-items:center;width:17px;height:17px;background:#f5df97;border-radius:50%;margin-left:4px;color:#655319;font-size:9px}.demo-pupils{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.pupil-tile{text-align:left;min-width:0;padding:17px;border:1px solid #d6e1e8;border-radius:12px;background:#fffefa;transition:transform .18s,box-shadow .18s,border-color .18s}.pupil-tile:hover{border-color:#72a5cf;transform:translateY(-3px);box-shadow:0 6px 18px #326ba20d}.pupil-tile.attention{border-color:#d9c179;background:#fffdf3}.pupil-tile.away{border-style:dashed}.pupil-tile-header{display:flex;align-items:center;gap:9px;font-weight:800;font-size:13px}.pupil-initial{display:grid;place-items:center;border-radius:50%;width:27px;height:27px;background:#e6ecf8;color:#456583;font-size:11px}.pupil-tile:nth-child(2n) .pupil-initial{background:#fbe5d9;color:#8e5a3e}.pupil-tile:nth-child(3n) .pupil-initial{background:#e3f0e3;color:#4a764c}.pupil-open{margin-left:auto;font-size:15px;color:#7a91a2}.pupil-state{display:inline-flex;align-items:center;gap:4px;margin:13px 0 9px;font-size:9px;font-weight:800;color:#3d785e}.pupil-state:before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor}.attention .pupil-state{color:#927019}.away .pupil-state{color:#667884}.pupil-work{font-size:14px;line-height:1.55;min-height:40px;margin:0;color:#36526a}.pupil-tile-footer{margin-top:15px;display:flex;justify-content:space-between;font-size:9px;color:#526777}.classroom-demo-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:20px}.classroom-demo-bottom p{font-size:11px;color:var(--muted);margin:0}.classroom-demo-bottom button{background:none;border:0;text-decoration:underline;text-underline-offset:3px;color:var(--blue);min-height:40px;font-size:11px;font-weight:750;text-align:right}.pupil-detail{padding:24px 32px 32px;background:#f6f9fb}.pupil-detail-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:16px;font-size:10px;color:var(--muted)}.back-to-class{border:1px solid #cedde5;background:var(--paper);border-radius:8px;padding:10px 14px;min-height:40px;font-size:12px;font-weight:800}.pupil-detail-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}.pupil-detail h3{font-size:24px;line-height:1.25;max-width:470px;margin-bottom:20px}.pupil-detail .eyebrow{margin-bottom:10px;font-size:9px}.pen-tools{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.pen-tools button{font-size:11px;font-weight:750;border:1px solid #cbdde9;background:var(--paper);padding:9px 11px;min-height:38px;border-radius:7px}.pen-tools button[aria-pressed=true]{background:var(--blue);color:var(--paper);border-color:var(--blue)}.feedback-canvas{display:block;width:100%;height:auto;touch-action:auto}.feedback-canvas.pen-active{touch-action:none;cursor:crosshair}.feedback-canvas rect{fill:var(--paper);stroke:#cbdde9;stroke-width:1.5}.feedback-canvas text{font-family:var(--body);font-size:25px;fill:#29485f}.feedback-canvas .canvas-caption{font-size:11px;fill:#526777}.feedback-canvas polyline{stroke:#a3458f;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}.demo-feedback-editor{padding:22px;background:var(--paper);border:1px solid #d9e4eb;border-radius:12px}.demo-feedback-editor textarea{font-size:13px;min-height:105px}.hint-chip{display:inline-block;background:#f0edf8;color:#725387;border:0;border-radius:99px;padding:8px 12px;min-height:36px;margin:12px 0 16px;font-size:10px;font-weight:800}.demo-feedback-editor .button{width:100%;font-size:12px;min-height:44px;padding:12px}.pupil-reply{padding:13px;border-left:3px solid #54a27a;background:#edf7f0;font-size:12px;line-height:1.6;margin-top:15px}.pupil-reply strong{display:block;margin-bottom:5px;font-size:10px;color:#3b7857}.section-footnote{display:flex;gap:40px;align-items:center;justify-content:space-between;margin-top:22px}.section-footnote p{font-size:11px;line-height:1.7;color:var(--muted);max-width:800px;margin:0}.section-footnote a{font-size:12px;white-space:nowrap}
.playground-section{background:#eaf3f8;border-block:1px solid #d7e5ed;padding-block:90px}.playground{display:grid;grid-template-columns:.8fr 1.5fr;gap:35px;align-items:stretch}.practice-menu{display:flex;flex-direction:column;gap:12px}.practice-menu button{display:flex;align-items:center;gap:17px;text-align:left;border:1px solid #ccdfe9;background:#f4f9fc;min-height:86px;padding:16px 22px;border-radius:13px;transition:transform .18s,background .18s}.practice-menu button:hover{transform:translateX(3px)}.practice-menu button[aria-selected=true]{background:var(--paper);border-color:#8fb8d9;box-shadow:4px 4px 0 #c2dcebd1}.subject-glyph{font-family:var(--display);font-size:26px;width:35px;color:var(--blue);font-weight:700;text-align:center}.practice-menu strong{display:block;font-family:var(--display);font-size:21px;font-weight:750}.practice-menu small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.practice-menu b{margin-left:auto;color:#5e7e96;font-size:18px}.practice-panel{background:var(--paper);border:1px solid #d1e0e6;border-radius:17px;padding:40px;display:flex;flex-direction:column;justify-content:center;min-height:370px;box-shadow:0 10px 35px #467da20c}.practice-kicker{font-size:10px;color:var(--blue);font-weight:800;letter-spacing:.1em;margin:0 0 19px}.practice-panel h3{font-size:35px;line-height:1.13;letter-spacing:-.04em;margin:0 0 15px}.practice-panel p{font-size:14px;color:var(--muted)}.practice-panel .practice-status{min-height:36px;font-size:12px;color:#3d785e;margin:14px 0 0}.practice-options{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}.practice-options button,.word-bank button{border:1.5px solid #ccdde7;padding:12px 23px;border-radius:9px;background:#eef5fa;font-weight:800;font-size:16px;min-height:48px}.practice-options button:hover,.word-bank button:hover{border-color:var(--blue)}.practice-options button.correct{background:#e1f2e8;border-color:#6fae88;color:#2c7047}.practice-options button.try{background:#fff2d5;border-color:#d5b75d}.flashcard{display:block;width:100%;min-height:180px;border:1px solid #d3c9e9;border-radius:12px;background:#f2eefb;padding:28px;font-family:var(--display);font-size:40px;font-weight:700;text-align:center;transition:background .2s,transform .2s}.flashcard small{display:block;font-family:var(--body);font-weight:650;font-size:11px;color:#76648d;margin-top:18px}.flashcard.flipped{background:#e5f3eb;border-color:#bcdcca;transform:rotate(-1deg)}.flash-actions{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:16px;font-size:11px;color:var(--muted)}.flash-actions button,.word-reset{border:0;background:none;min-height:40px;color:var(--blue);font-weight:800;text-decoration:underline;text-underline-offset:4px;font-size:12px}.word-answer{display:flex;gap:7px;flex-wrap:wrap;align-items:center;min-height:75px;border:1px dashed #b4c9d6;border-radius:10px;background:#f8fbfc;padding:12px;margin-top:20px}.word-answer span{color:#526777;font-size:12px}.word-answer button{padding:8px 10px;border:1px solid #c5dce7;background:var(--paper);border-radius:6px;font-size:15px;min-height:38px;font-weight:800}.word-bank{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.word-bank button{padding:9px 14px;font-size:14px;min-height:42px}.word-bank button:disabled{opacity:.3}.audio-example{background:#fff5d9;border:1px solid #e9d59c;border-radius:12px;padding:25px;margin-top:18px}.audio-example p[lang]{font-family:var(--display);font-size:24px;line-height:1.4;color:var(--text);margin:0 0 22px}.audio-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.audio-actions button{min-height:42px;font-size:12px;font-weight:800}.audio-actions .meaning-button{border:0;background:none;color:var(--blue);text-decoration:underline;text-underline-offset:3px}.demo-disclaimer{text-align:center;color:var(--muted);font-size:10px;margin:24px 0 0}
.brain-section{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center;padding-block:105px}.brain-gallery{position:relative;isolation:isolate;text-align:center;padding:20px 0 0}.brain-gallery>img{position:relative;width:min(350px,80%);height:auto;filter:drop-shadow(0 12px 13px #3b64900f);z-index:1;animation:brain-float 6s ease-in-out infinite}.brain-orbit{position:absolute;z-index:-1;border-radius:50%;pointer-events:none}.orbit-a{background:#f7edc9;width:340px;height:340px;top:8px;left:calc(50% - 170px)}.orbit-b{border:1px dashed #dbcca1;width:410px;height:350px;top:4px;left:calc(50% - 205px);transform:rotate(-30deg)}.brain-star{position:absolute;font-size:67px;color:#e9c143;right:15px;top:18px}.brain-caption{position:relative;margin-top:-4px;z-index:2}.brain-caption strong{display:block;font-family:var(--display);font-size:23px;font-weight:750}.brain-caption>span{display:block;font-size:12px;color:var(--muted);margin-top:8px}.brain-picker{display:flex;justify-content:center;gap:10px;margin-top:24px}.brain-picker button{width:68px;height:68px;padding:3px;background:#eef2f4;border:2px solid transparent;border-radius:14px;transition:transform .18s}.brain-picker button[aria-pressed=true]{border-color:#72a6d3;background:#e6f0f9}.brain-picker button:hover{transform:translateY(-5px)}.brain-picker img{display:block;width:100%;height:auto}.brain-copy h2{font-size:clamp(40px,4.7vw,68px)}.brain-copy>p:not(.eyebrow){font-size:17px;color:var(--muted);max-width:430px}.brain-copy .interaction-cue{font-size:12px;font-weight:800;color:var(--blue);display:block;margin-top:24px}@keyframes brain-float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-10px) rotate(1deg)}}.people-section{background:#f0f4e9;border-block:1px solid #dce4d2;padding-block:75px}.people-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:75px;align-items:center}.people-statement h2{font-size:clamp(30px,3.3vw,45px)}.people-copy .lead{font-size:19px;color:#344e41;line-height:1.7}.people-copy p{font-size:14px;color:#52675b}.people-copy .text-link{margin-top:9px}.faq-section{display:grid;grid-template-columns:.8fr 1.4fr;gap:80px}.faq-section h2{font-size:43px}.faq details{border-bottom:1px solid #d4dfdf;padding:19px 0}.faq details:first-child{padding-top:0}.faq summary{display:flex;justify-content:space-between;gap:20px;list-style:none;font-size:16px;cursor:pointer;font-weight:800;min-height:35px;align-items:center;line-height:1.5}.faq summary::-webkit-details-marker{display:none}.faq summary>span{font-size:25px;font-weight:500;color:var(--blue);transition:transform .2s}.faq details[open] summary>span{transform:rotate(45deg)}.faq details p{font-size:14px;color:var(--muted);padding-right:25px;max-width:65ch}.faq a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.invitation{position:relative;isolation:isolate;background:#e0eef8;border:1px solid #c7deec;border-radius:22px;padding:60px 65px;display:grid;grid-template-columns:1fr 290px;gap:30px;align-items:center;overflow:hidden;margin-bottom:65px}.invitation h2{font-size:clamp(42px,5.5vw,74px);line-height:1.05;letter-spacing:-.06em;margin-bottom:22px}.invitation h2 span{color:var(--blue)}.invitation>div>p:not(.eyebrow){font-size:15px;color:#446781}.invitation .button{margin-top:8px}.invitation>img{width:280px;height:auto;position:relative;z-index:1;transform:rotate(7deg)}.invitation-doodle{font-size:270px;color:#cae1f1;position:absolute;right:0;bottom:-120px;z-index:-1}.invitation .invitation-small{font-size:11px!important;margin-top:22px}.invitation-small a{text-decoration:underline;text-underline-offset:3px}.footer{border-top:1px solid var(--line);padding-block:28px;display:flex;align-items:center;flex-wrap:wrap;gap:25px}.footer>p{font-size:12px;color:var(--muted);margin-left:15px}.footer>div{margin-left:auto;display:flex;gap:24px;font-size:12px;font-weight:750}.footer>small{flex-basis:100%;font-size:10px;color:var(--muted);padding-top:10px}
/* Shared information pages keep the same readable, light visual language. */
.info-main{max-width:850px;padding-block:65px}.info-main h1{font-size:clamp(35px,4.8vw,59px);line-height:1.1;letter-spacing:-.045em}.info-main h2{font-size:26px;margin-top:42px}.info-main h3{font-size:21px}.info-main p,.info-main li{color:var(--muted);font-size:16px;line-height:1.8}.info-main a:not(.button){color:var(--blue);text-decoration:underline;text-underline-offset:3px}.info-main aside{padding:22px;border-left:3px solid var(--blue);background:#eaf3f8}.info-main li{margin-bottom:12px}.info-main strong{color:var(--text)}
@media(min-width:1500px){.hero{padding-block:85px 100px}.hero-stage{margin-left:25px}.hero h1{font-size:112px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:12px}.hero h1{font-size:clamp(67px,8vw,90px)}.hero .actions{gap:18px}.hero .button{font-size:13px;padding:15px 17px}.hero-stage{padding-left:0}.brain-hint{right:-22px;bottom:0}.brain-hint img{width:145px;height:145px}.spark-body{padding-inline:22px}.hero-spark{right:-18px;width:45px}.section-intro{gap:40px}.section{padding-block:80px}.brain-section{gap:45px}.journey-panel{gap:35px}.pupil-detail-layout{gap:20px}.practice-panel{padding:30px}.people-layout{gap:40px}.faq-section{gap:45px}.invitation{padding:45px;grid-template-columns:1fr 220px}.invitation>img{width:230px}}
@media(max-width:820px){html{scroll-padding-top:30px}.wrap{width:calc(100% - 40px)}.nav{height:85px}.nav nav{gap:17px;font-size:12px}.nav .button{font-size:12px;padding:10px 13px}.brand strong{font-size:24px}.hero{grid-template-columns:1fr;gap:30px;padding-top:44px;padding-bottom:65px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(70px,12vw,100px)}.hero h1{max-width:620px}.hero .intro{font-size:17px;max-width:510px}.hero .actions{gap:25px}.hero-note{margin-top:24px}.hero-stage{width:min(500px,calc(100% - 30px));margin:0 auto;min-height:520px;padding-top:40px}.hero-stage:before{inset:0 -10px 10px}.spark-card{max-width:430px}.brain-hint{right:-18px;bottom:-5px}.hero-spark{right:-12px}.orbit-one{left:4px}.orbit-two{right:-5px}.promise-strip .wrap{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;font-size:11px;padding-block:22px}.promise-strip b{font-size:14px}.section-intro{grid-template-columns:1fr;gap:20px;align-items:start}.section-intro h2{font-size:45px}.section-intro p:not(.eyebrow){font-size:16px;max-width:570px}.section-intro .eyebrow{margin-bottom:15px}.journey-nav button{font-size:11px;padding:16px 9px}.journey-nav button span{display:block;margin:0 0 6px}.journey-live{padding:24px}.demo-pupils{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-live-header{align-items:flex-start}.demo-filters button{padding:8px;font-size:10px}.classroom-demo-bottom{align-items:flex-start}.section-footnote{align-items:flex-start;flex-direction:column;gap:15px}.journey-panel{padding:28px;gap:27px}.roster-copy h3{font-size:29px}.pupil-detail{padding:25px}.pupil-detail-layout{grid-template-columns:1fr}.pupil-detail h3{font-size:25px;max-width:none}.demo-feedback-editor{max-width:none}.playground-section{padding-block:70px}.playground{grid-template-columns:1fr;gap:24px}.practice-menu{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.practice-menu button{padding:14px 8px;gap:6px;flex-direction:column;align-items:center;text-align:center;min-height:105px}.practice-menu strong{font-size:16px}.practice-menu small{font-size:9px}.practice-menu b{display:none}.subject-glyph{font-size:22px}.practice-panel{min-height:350px}.brain-section{gap:35px}.brain-copy h2{font-size:44px}.brain-copy>p:not(.eyebrow){font-size:15px}.orbit-a{width:260px;height:260px;left:calc(50% - 130px);top:0}.orbit-b{width:300px;height:270px;left:calc(50% - 150px)}.brain-caption strong{font-size:20px}.brain-picker{gap:7px}.brain-picker button{width:55px;height:55px}.brain-star{right:0;font-size:40px}.people-layout{grid-template-columns:1fr;gap:15px}.people-copy .lead{font-size:18px}.faq-section{grid-template-columns:1fr;gap:32px}.faq-section h2{font-size:38px}.invitation{padding:35px;grid-template-columns:1fr 155px;gap:5px}.invitation>img{width:195px;margin-left:-25px}.invitation h2{font-size:48px}.footer>div{flex-basis:100%;margin:0}.footer>p{margin:0}}
@media(max-width:540px){.wrap{width:calc(100% - 36px)}.nav nav{display:none}.nav{gap:15px;height:82px}.brand{font-size:10px;gap:7px}.brand img{width:34px;height:34px}.brand strong{font-size:25px}.nav .button{font-size:11px;gap:12px;padding:10px 12px}.hero{padding-top:36px;gap:26px}.hero h1{font-size:clamp(66px,17vw,88px);line-height:.99;letter-spacing:-.075em;margin-bottom:28px}.hero .eyebrow{font-size:9px;letter-spacing:.095em;margin-bottom:22px}.hero .intro{font-size:16px;margin-bottom:24px}.hero .actions{gap:17px;align-items:flex-start;flex-direction:column}.hero .button{font-size:14px;padding:15px 21px}.hero-note{margin-top:24px}.hero-stage{width:calc(100% - 14px);padding:39px 0 96px;min-height:0;margin-top:8px}.spark-card{width:100%;border-radius:17px}.spark-top{padding:14px 16px;font-size:8px}.spark-body{padding:23px 21px 19px;min-height:325px}.challenge-meta{font-size:8px}#challenge-prompt{font-size:37px}.challenge-clue{margin-top:23px;font-size:14px}.challenge-context{font-size:12px}.spark-answers button{font-size:14px;padding:11px 6px}.spark-foot{padding:13px 15px;font-size:9px}.brain-hint img{width:131px;height:131px}.brain-hint{right:-13px;bottom:-1px}.brain-hint span{font-size:9px;padding:7px 10px;right:0}.stage-note{left:0;bottom:17px;font-size:11px;max-width:190px}.stage-note svg{width:48px;height:30px}.hero-spark{top:153px;right:-16px;z-index:-1;width:50px}.orbit-word{font-size:12px;padding:8px 13px}.orbit-one{left:3px;top:3px}.orbit-two{right:-6px;top:6px}.promise-strip .wrap{font-size:10px;gap:16px 7px}.promise-strip b{display:block;font-size:15px;margin:0 0 3px}.section{padding-block:61px}.section-intro{margin-bottom:30px;gap:18px}.section-intro h2{font-size:36px}.eyebrow{font-size:9px;letter-spacing:.1em;margin-bottom:16px}.section-intro p:not(.eyebrow){font-size:15px}.classroom-top{padding:15px}.classroom-brand{font-size:13px;gap:7px}.demo-label{font-size:8px;max-width:120px;text-align:right;line-height:1.5}.journey-nav button{font-size:10px;line-height:1.4;padding:13px 7px}.journey-nav button span{font-size:9px}.journey-live{padding:21px 14px 13px}.demo-live-header{flex-direction:column;gap:14px}.demo-live-header h3{font-size:21px}.demo-live-header p{font-size:11px}.demo-filters button{min-height:36px;padding:8px 11px;font-size:10px}.demo-pupils{gap:9px}.pupil-tile{padding:12px 10px}.pupil-tile-header{font-size:11px;gap:6px}.pupil-initial{width:23px;height:23px;font-size:10px}.pupil-open{font-size:13px}.pupil-state{font-size:8px;margin:11px 0 8px}.pupil-work{font-size:12px;min-height:49px;line-height:1.6}.pupil-tile-footer{font-size:8px;margin-top:12px;gap:3px}.classroom-demo-bottom{flex-direction:column;gap:7px;margin-top:14px}.classroom-demo-bottom button{text-align:left;font-size:10px;padding:0}.classroom-demo-bottom p{font-size:10px}.journey-panel{grid-template-columns:1fr;padding:24px 20px;gap:19px}.roster-copy h3{font-size:28px}.roster-copy p{font-size:13px!important}.roster-editor .button,.assignment-demo>.button{width:100%;font-size:12px;padding:13px}.pupil-detail{padding:18px 15px}.pupil-detail-top{font-size:8px;gap:7px}.back-to-class{padding:9px;font-size:10px}.pupil-detail h3{font-size:22px}.pen-tools{gap:5px}.pen-tools button{font-size:9px;padding:9px}.demo-feedback-editor{padding:17px}.pupil-detail .quiet{font-size:10px!important}.section-footnote p{font-size:10px}.section-footnote a{font-size:12px}.playground-section{padding-block:58px}.practice-menu{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-menu button{flex-direction:row;gap:12px;align-items:center;text-align:left;padding:12px;min-height:75px}.practice-menu strong{font-size:16px}.practice-menu small{font-size:9px}.subject-glyph{font-size:25px;flex-shrink:0;width:26px}.practice-panel{padding:25px 20px;min-height:365px}.practice-panel h3{font-size:29px}.practice-panel p{font-size:13px}.practice-kicker{font-size:9px!important}.practice-options{gap:8px}.practice-options button{font-size:15px;flex:1;padding:12px}.flashcard{font-size:34px;min-height:165px}.word-bank button{font-size:13px;padding:9px 12px}.word-answer button{font-size:13px}.audio-example{padding:21px}.audio-example p[lang]{font-size:22px}.audio-actions{gap:9px}.audio-actions button{font-size:11px}.demo-disclaimer{font-size:9px;max-width:290px;margin-inline:auto;line-height:1.65}.brain-section{grid-template-columns:1fr;gap:33px;padding-top:55px}.brain-gallery{max-width:370px;width:100%;margin:auto}.brain-gallery>img{width:270px}.orbit-a{width:265px;height:265px;left:calc(50% - 132px)}.orbit-b{width:310px;height:270px;left:calc(50% - 155px)}.brain-caption strong{font-size:23px}.brain-copy h2{font-size:47px}.brain-copy>p:not(.eyebrow){font-size:16px}.people-section{padding-block:55px}.people-statement h2{font-size:33px}.people-copy .lead{font-size:17px}.faq-section h2{font-size:35px}.faq summary{font-size:14px;gap:15px}.faq details p{font-size:13px;padding-right:10px}.invitation{padding:32px 23px;display:block;margin-bottom:45px}.invitation h2{font-size:43px;max-width:290px}.invitation .eyebrow{max-width:210px}.invitation>div>p:not(.eyebrow){font-size:14px;max-width:270px}.invitation .button{font-size:12px;gap:20px;padding:14px 16px}.invitation>img{position:absolute;width:105px;right:2px;top:7px;z-index:-1;opacity:.85;margin:0}.invitation .invitation-small{font-size:10px!important;max-width:270px}.invitation-doodle{font-size:220px;right:-20px;bottom:-90px}.footer{gap:17px;padding-block:25px}.footer>p{font-size:10px}.footer>div{gap:20px;flex-wrap:wrap;font-size:11px}.footer>small{font-size:9px;line-height:1.7}.info-main{padding-block:38px}.info-main h1{font-size:36px}.info-main p,.info-main li{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.brain-gallery>img{transform:none}.button:hover,.pupil-tile:hover,.brain-picker button:hover{transform:none}}
@media print{.nav,.footer,.hero-stage,.classroom-demo,.playground,.brain-picker{display:none}body{background:white;color:#182e41}.wrap{width:100%}.section{padding-block:25px}}
/* Keep decorative orbits inside the artwork, including narrow iPad panes. */
.brain-gallery{overflow:clip}
@media(max-width:540px){.hero-spark{right:0}.hero h1{font-size:clamp(60px,17vw,88px)}.practice-menu button{gap:8px;min-width:0}.practice-menu strong{font-size:15px}.practice-menu .subject-glyph{width:23px;font-size:23px}}
.hero-stage:before{transform:none}
.pupil-tile-header strong{min-width:0;overflow-wrap:anywhere}.pupil-initial,.pupil-open{flex-shrink:0}.pupil-work,.pupil-reply{overflow-wrap:anywhere}

.language-switch button{min-height:40px;min-width:36px}.pen-tools button,.demo-filters button,.flash-actions button,.word-bank button{min-height:44px}

/* Contact links remain easy to activate on touch screens. */
.footer a{display:inline-flex;align-items:center;min-height:44px}
#contact-address{overflow-wrap:anywhere}