@font-face{font-family:Abar;src:url('/fonts/Abar-VF.woff2') format('woff2');font-weight:400 1000;font-style:normal;font-display:swap}
:root{--green:#29cc57;--green-dark:#20b84b;--ink:#080808;--muted:#707070;--line:#e6e6e6;--paper:#fff;--oat:#f5f3f1;--navy:#080f28;--purple:#9e60ff;--yellow:#ffd02d;--blue:#6a83ff;--body:Abar,Arial,sans-serif;--display:Abar,Arial,sans-serif;--ease:cubic-bezier(.2,0,0,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--body);font-variation-settings:"CNTR" 0;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button{color:inherit}button,input,select{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #5475f5;outline-offset:4px}main:focus{outline:0}img,svg{display:block;max-width:100%}svg{flex-shrink:0}button .icon,a .icon{pointer-events:none}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.5}h1,h2{font-weight:700}ul{padding:0;list-style:none;margin:0}button{border:0;background:none}button:disabled{opacity:.45}input,select{max-width:100%}::selection{background:#c9f5d4}input[type=range]{accent-color:var(--green);cursor:pointer}input[type=checkbox],input[type=radio]{accent-color:var(--green)}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:-80px;right:20px;background:var(--ink);color:white;padding:10px 24px;border-radius:8px;z-index:999}.skip-link:focus{top:12px}.mobile-only{display:none}.icon{display:inline-block;vertical-align:middle}.eyebrow{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:#6d6d6d}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:8px 30px;line-height:1.5;border-radius:999px;font-weight:650;font-size:16px;white-space:nowrap;border:2px solid transparent;transition:transform 150ms var(--ease),background-color 150ms var(--ease),border-color 150ms var(--ease),box-shadow 150ms var(--ease)}.button:active:not(:disabled){transform:scale(.96)}.button-green{background:var(--green);color:#07230d;border-color:var(--green);border-bottom-color:#1cb347;box-shadow:0 3px 0 #1db749}.button-green:hover:not(:disabled){background:#35d365;border-color:#35d365;border-bottom-color:#22b94c}.button-outline{background:white;border-color:var(--line);box-shadow:0 3px 0 #e6e6e6}.button-outline:hover{background:#f7f7f7;border-color:#ccc}.button-small{min-height:46px;padding-inline:25px;font-size:15px;box-shadow:none}.button-large{min-height:60px;font-size:17px;padding-inline:38px}.icon-button{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;flex-shrink:0;transition:background-color 150ms}.icon-button:hover{background:#f2f2f2}.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.brand{display:block;flex-shrink:0}.brand img{width:140px;height:44px;object-fit:contain}.site-header{height:112px;position:relative;z-index:50;background:#fff}.header-inner{max-width:1280px;margin:auto;height:100%;padding:0 32px;display:flex;align-items:center;justify-content:space-between}.header-inner nav{display:flex;align-items:center;gap:16px}.header-start{display:none}.site-header.scrolled{position:sticky;top:0;height:80px;box-shadow:0 1px 0 var(--line);margin-bottom:32px}.site-header.scrolled .header-start{display:inline-flex}.hero-intro{padding:70px 32px 112px;text-align:center;max-width:1280px;margin:auto}.hero-lettering{width:100%;max-width:1020px;height:390px;position:relative;margin:auto;isolation:isolate}.hero-words{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2;pointer-events:none}.hero-first,.hero-second{font-family:var(--display);font-weight:700;white-space:nowrap;line-height:1.16;display:block;letter-spacing:-5px}.hero-first{font-size:148px}.hero-second{font-size:176px;margin-top:8px}.hero-baseline{position:absolute;height:1px;background:linear-gradient(90deg,transparent,#e4e4e4 20%,#e4e4e4 80%,transparent);left:0;right:0;z-index:-1}.baseline-one{top:42%}.baseline-two{top:88%}.hero-histogram{position:absolute;left:8%;top:28px;width:155px;height:125px;display:flex;align-items:flex-end;gap:5px;z-index:3}.hero-histogram>i{background:#f0f0f1;width:24px;border-radius:3px 3px 0 0;height:var(--bar);transform-origin:bottom;animation:histogram 7s var(--ease) var(--delay) infinite}.histogram-line{position:absolute;left:27px;top:15px;bottom:-8px;width:2px;border-right:2px dashed #777}.histogram-line:after{content:'';position:absolute;bottom:-5px;right:-4px;width:7px;height:7px;border-radius:50%;background:#111}.histogram-value{position:absolute;left:-16px;top:-26px;background:#b38af3;color:white;font-size:13px;border-radius:4px;padding:0 4px;line-height:1.7}.histogram-knob{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#fff;position:absolute;top:35px;left:-18px;box-shadow:0 5px 20px #0002;font-size:12px;animation:slider-move 7s ease-in-out infinite}.hero-scatter{position:absolute;right:7%;top:6px;width:285px;z-index:1}.hero-scatter svg{width:100%;overflow:visible}.scatter-node{filter:drop-shadow(0 0 10px #ffc6ae);animation:scatter-pulse 4s ease-in-out infinite}.hero-code{position:absolute;left:28%;bottom:8px;z-index:3;transform:rotate(-8deg);display:flex;flex-direction:column;align-items:flex-start;gap:6px;font:12px/1.5 var(--body);animation:code-float 8s ease-in-out infinite}.hero-code>span{background:white;border:2px solid #ececef;padding:3px 8px;border-radius:4px;box-shadow:0 3px 0 #eee}.hero-code b{font-weight:600;color:#597bfb}.hero-code em{font-style:normal;color:#a472f0}.hero-code .code-growing{background:#f0f3ff;border-color:#aebffc;font-size:14px;align-self:flex-end;color:#597bfb;box-shadow:0 3px 12px #aebffc66}.hero-orbit{position:absolute;right:16%;bottom:-15px;width:104px;height:160px;z-index:3}.hero-orbit svg{overflow:visible}.orbit-dot{filter:drop-shadow(0 0 9px #aabafa);animation:orbit-pulse 5s ease-in-out infinite}.hero-copy{margin:80px auto 0;max-width:630px}.hero-copy p{font-size:20px;line-height:1.8}.hero-copy strong{font-weight:750}.hero-actions{display:flex;gap:16px;justify-content:center;margin-top:28px}.hero-actions .button{width:285px}.subject-strip{border-top:1px solid #efefef;display:flex;align-items:center;justify-content:center;gap:58px;padding:24px 32px;font-size:16px}.subject-strip>a{display:flex;align-items:center;gap:10px;white-space:nowrap;transition:opacity 150ms}.subject-strip>a:hover{opacity:.65}.dark-pattern{color:white;background-color:var(--navy);background-image:url("data:image/svg+xml,%3Csvg width='340' height='340' viewBox='0 0 340 340' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23273968' stroke-opacity='.28'%3E%3Cpath d='M0 0h340v340H0zM0 170h340M170 0v340M0 340 340 0M0 0l340 340M0 85h170a85 85 0 0 1 0 170H0M85 340V170a85 85 0 0 1 170 0v170'/%3E%3Ccircle cx='170' cy='170' r='84'/%3E%3C/g%3E%3C/svg%3E")}.trust-band{padding:78px 32px;text-align:center}.trust-band h2{font:700 46px/1.5 var(--display)}.trust-items{display:flex;align-items:center;justify-content:center;gap:90px;margin-top:56px}.trust-items>div{display:flex;flex-direction:column;gap:8px;color:#c9cad2;font-size:14px}.trust-stars{letter-spacing:4px;font-size:22px;color:white}.trust-editorial{font-family:var(--display);font-size:24px!important;line-height:1.35;text-align:right}.trust-editorial em{font-style:normal}.trust-items .trust-laurel{flex-direction:row;align-items:center;gap:12px}.trust-laurel>span{font:52px/1 Georgia;color:#999fb5}.trust-laurel small{font-size:12px;color:#a9aec5}.feature-section{overflow:hidden;position:relative;min-height:800px}.feature-cream{background:linear-gradient(to left,#fff 0%,#fffdf7 100%)}.feature-lavender{background:linear-gradient(to right,#fff 0%,#faf7ff 100%)}.feature-lime{background:linear-gradient(to left,#fff 0%,#fefff5 100%)}.feature-inner{max-width:1216px;min-height:836px;display:flex;align-items:center;margin:auto;gap:24px}.feature-copy{flex:0 0 40%;padding:42px 0;position:relative;z-index:2}.feature-copy h2{font:700 65px/1.55 var(--display);letter-spacing:-1.5px}.feature-copy p{font-size:19px;line-height:1.95;max-width:480px;margin-top:24px}.feature-visual{flex:1;min-width:0;height:836px;position:relative;display:flex;align-items:center;justify-content:center;direction:ltr}.feature-visual>.art-svg{width:760px;max-width:none;height:auto;position:absolute;left:-104px}.feature-reverse .feature-inner{flex-direction:row-reverse}.feature-reverse .feature-copy{margin-inline-start:auto}.feature-reverse .feature-visual>.art-svg{left:auto;right:-104px}.feature-visual:not(.is-visible) *{animation-play-state:paused!important}.network-art{overflow:visible}.pixel-active{animation:pixel-breathe 6s ease-in-out var(--delay) infinite}.neural-edge{animation:edge-pulse 5s ease-in-out var(--delay) infinite}.level-art{display:grid;grid-template-columns:repeat(2,320px);grid-auto-rows:340px;gap:118px 68px;position:absolute;top:110px;left:40px;width:708px;transform:rotate(0deg)}.feature-reverse .level-art{left:auto;right:-190px}.level-tile{position:relative;background:white;border:3px solid #e5e4e6;border-radius:33px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center;font-size:18px;line-height:1.8;z-index:2}.level-tile .course-art{width:225px;height:215px}.level-tile.selected{border-color:#9f62ff;border-width:4px;box-shadow:0 0 45px #a970ff35;animation:recommend-pulse 5s ease-in-out infinite}.for-you{position:absolute;top:-25px;right:12px;background:#9e60ff;color:white;transform:rotate(5deg);border-radius:9px;font-size:17px;font-weight:600;padding:5px 14px}.level-connectors{position:absolute;inset:160px 140px 160px 140px;border:2px solid #e3dcec;z-index:0}.mascot-float{animation:mascot-hover 4s ease-in-out infinite}.pace-tip{filter:drop-shadow(0 5px 15px #c9b7e52c);animation:tip-float 6s ease-in-out infinite}.workout-tip{filter:drop-shadow(0 5px 15px #82985b14);transform-origin:center;animation:workout-float 6s ease-in-out infinite}.streak-day-1{animation:streak-pulse 5s ease-in-out infinite}.descent-line{stroke-dasharray:500;stroke-dashoffset:0;animation:draw-path 7s ease-in-out infinite}.loss-dot{animation:scatter-pulse 5s ease-in-out infinite}.expert-band{text-align:center;padding:76px 32px 68px}.expert-band h2{font:700 48px/1.5 var(--display)}.expert-band p{font-size:16px;margin-top:12px;color:#b7bbcf}.expert-subjects{max-width:1000px;margin:52px auto 0;display:flex;justify-content:space-between;gap:24px;font-weight:650;font-size:22px;color:#b1b7cc}.explore-wrap{padding:48px 32px 0}.explore{max-width:1200px;margin:auto;padding:56px 72px 40px;border:1px solid #e7e4e1;background:var(--oat);border-radius:44px;text-align:center}.explore>h2{font:700 43px/1.6 var(--display)}.topic-tabs{display:flex;justify-content:center;gap:8px;margin:28px auto 48px;flex-wrap:wrap}.topic-tab{background:#fff;color:#727272;font-size:15px;border-radius:999px;padding:8px 18px;min-height:43px;transition:background-color 150ms,color 150ms}.topic-tab.active{background:#050505;color:white}.topic-tab:hover:not(.active){background:#e4e1de;color:#222}.topic-panel{background:#eae8e6;border-radius:25px;display:grid;grid-template-columns:36% 64%;padding:12px;min-height:425px;text-align:right;direction:rtl;align-items:stretch}.topic-list{padding:34px 32px}.topic-list h3{font-size:18px;margin-bottom:16px}.topic-list ul{display:grid;gap:9px;font-size:14px;line-height:1.8}.topic-list a:hover{text-decoration:underline;text-underline-offset:5px}.more-topics{border-bottom:1px dashed #aaa;color:#707070;padding:0;font-size:14px;margin-top:18px;line-height:1.7}.topic-demo{min-height:400px;border-radius:24px;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;padding:20px}.topic-demo-caption{display:flex;align-items:center;justify-content:center;gap:6px;font-weight:700;margin-top:22px;font-size:15px}.topic-demo-caption:hover{color:#666}.browse-link{margin-top:24px;color:#707070}.code-example{max-width:350px;width:100%;background:#090909;color:white;border-radius:6px;overflow:hidden;text-align:left;box-shadow:0 1px 3px #0001}.code-title{background:#b9b9ba;color:#555;display:flex;gap:25px;font:10px/1.7 monospace;padding:2px 10px}.code-title span{color:#dedede;letter-spacing:3px}.code-example pre{font:11px/1.9 monospace;padding:12px 17px 22px;margin:0}.code-purple{color:#ac86ee}.code-yellow{color:#e5dc7d}.code-blue{color:#8ba2fb}.code-green{color:#81c5a9}.code-output{display:flex;align-items:center;gap:9px;background:#49494b;padding:8px 13px;font:10px/1.5 var(--body);color:#bdede0}.code-output>span{padding:1px 7px;background:#676769;border-radius:4px}.math-example,.science-example,.data-example{width:100%;text-align:center}.math-example .course-art{height:190px;margin:0 auto}.equation{font:24px/1.5 var(--body);color:#7185e9}.math-tiles{display:flex;justify-content:center;gap:12px;font-size:14px}.math-tiles span{background:#eef0ff;border-radius:8px;padding:4px 14px}.science-example .course-art,.data-example .course-art{height:265px}.demo-caption{font-size:15px;color:#666}.faq-section{padding:90px 24px 105px;max-width:750px;margin:auto}.faq-section>h2{font:700 55px/1.5 var(--display);text-align:center;margin-bottom:48px}.faq-list{display:flex;flex-direction:column;gap:12px}.faq-item{border:1px solid #e7e7e7;border-radius:10px;background:#fff;overflow:hidden}.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;gap:20px;min-height:72px}.faq-item summary::-webkit-details-marker{display:none}.faq-item h3{font-size:15px;font-weight:500;line-height:1.9}.faq-item summary .icon{color:#707070;transition:transform 200ms}.faq-item[open] summary .icon{transform:rotate(180deg)}.faq-item[open]{background:#fcfcfc}.faq-answer{padding:0 24px 24px;font-size:14px;line-height:2;color:#666}.faq-answer a{color:#168c38;font-weight:600}.final-cta{padding:125px 24px 115px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:52px}.final-cta h2{font:700 88px/1.5 var(--display)}.final-cta p{color:#b2b7c8;font-size:17px;margin-top:16px}.final-cta>.button{width:300px}.cta-platforms{display:flex;justify-content:center;gap:20px;color:#b6bdd1;font-size:12px;margin-top:-25px}.cta-platforms span{display:flex;gap:7px;align-items:center}.site-footer{background:#050505;color:#aaa;padding:62px max(32px,calc((100vw - 1216px)/2)) 36px}.footer-main{display:grid;grid-template-columns:1.15fr repeat(3,1fr) .7fr;gap:32px;padding-bottom:72px}.site-footer .brand img{width:123px;height:40px}.footer-group{display:flex;flex-direction:column;gap:12px;font-size:12px}.footer-group h3{color:#e7e7e7;font-size:13px;margin-bottom:4px;font-weight:550}.footer-group a:hover{color:white}.footer-social{display:flex;align-items:flex-start;gap:15px}.footer-social a:hover{color:white}.footer-bottom{color:#686868;font-size:10px;line-height:2.2}.footer-bottom>div{display:flex;gap:20px;margin:22px 0}.footer-bottom button{padding:0;font-size:10px;color:inherit}.footer-bottom a:hover,.footer-bottom button:hover{color:#bbb}.footer-bottom>p:last-child{margin-top:12px}

/* Learning environment */
.learning-header{height:88px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fffffff2;backdrop-filter:blur(12px);z-index:40}.learning-header-inner{max-width:1250px;margin:auto;height:100%;display:flex;align-items:center;gap:65px;padding:0 28px}.learning-header .brand img{width:125px;height:39px}.learning-nav{display:flex;height:100%;align-items:stretch;gap:38px}.learning-nav>a{display:flex;align-items:center;gap:9px;font-size:15px;color:#707070;border-bottom:3px solid transparent;padding-top:3px;font-weight:550}.learning-nav>a.active{color:#111;border-bottom-color:var(--green)}.learning-nav>a:hover{color:#111}.learning-account{margin-inline-start:auto;display:flex;align-items:center;gap:25px;position:relative}.header-streak{display:flex;align-items:center;gap:7px;color:#deab00;font-weight:700;font-size:18px}.profile-button{width:42px;height:42px;background:#dff6e6;border:1px solid #c1e9ce;border-radius:50%;color:#238d42;display:grid;place-items:center;font-size:18px;font-weight:700}.account-menu{position:absolute;left:0;top:58px;min-width:220px;border:1px solid var(--line);background:#fff;border-radius:14px;box-shadow:0 8px 32px #0001;padding:16px;z-index:80}.account-menu strong{display:block;padding:0 10px 10px;border-bottom:1px solid #eee;margin-bottom:10px;font-size:14px}.account-menu>a,.account-menu>button{display:flex;width:100%;align-items:center;gap:12px;padding:10px;text-align:right;font-size:14px;border-radius:7px}.account-menu>a:hover,.account-menu>button:hover{background:#f6f6f6}.dashboard,.catalog{max-width:1240px;margin:0 auto;padding:56px 28px 80px}.dashboard-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;gap:24px}.dashboard-title h1{font-size:34px;line-height:1.8;margin-top:6px;letter-spacing:-.9px}.dashboard-title h1 .icon{color:#e6bd3e;margin-inline-start:5px}.daily-goal{display:flex;align-items:center;gap:16px}.goal-ring{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) var(--goal),#eee 0);position:relative;color:#39854b}.goal-ring:before{content:'';position:absolute;inset:7px;background:white;border-radius:50%}.goal-ring .icon{z-index:1}.daily-goal strong,.daily-goal span{display:block;font-size:14px}.daily-goal span{color:#707070;font-size:12px;margin-top:5px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:24px}.continue-card{border:1px solid #e8dfef;background:#faf7ff;border-radius:22px;padding:30px 32px;display:flex;align-items:center;gap:8px;min-height:295px}.continue-copy{flex:1;min-width:0}.continue-copy>.eyebrow{font-size:12px;color:#9c6cce}.continue-card h2{font-size:22px;line-height:1.6;margin:9px 0}.continue-card p{font-size:13px;line-height:1.9;color:#707070;max-width:320px}.continue-card .button{margin-top:20px;min-height:45px;padding:7px 25px;font-size:14px}.continue-card>.course-art{width:40%;flex-shrink:0}.continue-progress{margin-top:20px;width:85%;font-size:11px;color:#707070}.continue-progress>.course-progress{margin-top:7px}.course-progress{height:6px;border-radius:999px;background:#e6e6e6;overflow:hidden}.course-progress>span{height:100%;display:block;background:var(--green);border-radius:inherit}.streak-card{border:1px solid var(--line);border-radius:22px;padding:30px 24px;display:flex;flex-direction:column}.streak-heading{display:flex;align-items:center;gap:14px}.streak-flame{color:#dfad05;display:block}.streak-heading strong,.streak-heading span{display:block}.streak-heading strong{font-size:19px}.streak-heading div>span{font-size:12px;color:#707070}.week-dots{display:flex;justify-content:space-between;margin:20px 0 12px;direction:rtl}.week-dots>div{display:flex;flex-direction:column;align-items:center;gap:7px;color:#707070;font-size:10px}.week-dots i{width:25px;height:25px;border:2px solid #e5e5e5;border-radius:50%;display:grid;place-items:center}.week-dots .done{color:#a09b00}.week-dots .done i{background:#dced45;border-color:#dced45;color:#404100}.streak-card>p{font-size:11px;color:#707070}.dashboard-xp{display:flex;align-items:center;gap:6px;font-size:11px;color:#707070;border-top:1px solid #eee;padding-top:15px;margin-top:auto}.dashboard-xp>.icon{color:#dfb82d}.dashboard-xp>strong{color:#333;font-size:15px}.dashboard-xp>span{margin-inline-start:auto;font-size:10px}.recommended{margin-top:50px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px;gap:12px}.section-heading h2{font-size:22px}.section-heading p{font-size:13px;color:#707070;margin-top:4px}.section-heading>a{color:#666}.course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.course-card{position:relative;border:1px solid #e5e5e5;border-radius:17px;overflow:hidden;display:flex;flex-direction:column;background:#fff;transition:transform 200ms var(--ease),border-color 200ms var(--ease)}.course-card:hover{border-color:var(--course-color);transform:translateY(-4px)}.course-card-art{height:176px;background:color-mix(in srgb,var(--course-color) 6%,white);display:grid;place-items:center;padding:5px 30px}.course-art{position:relative;width:100%;display:flex;align-items:center;justify-content:center;aspect-ratio:360/280;overflow:visible}.course-art>.art-svg{width:100%;height:100%}.course-card-art .course-art{width:100%;height:100%}.course-card-body{padding:20px 20px 34px;flex:1}.course-level{display:flex;align-items:center;gap:6px;color:#707070;font-size:10px}.course-card h3{font-size:16px;line-height:1.9;margin:8px 0}.course-card p{font-size:12px;line-height:1.9;color:#707070;min-height:48px}.course-card-meta{display:flex;align-items:center;gap:9px;font-size:11px;color:#707070;margin-top:15px}.course-card .course-progress{margin-top:17px;height:4px}.course-progress-label{font-size:10px;color:#707070;display:block;margin-top:4px}.course-card-arrow{position:absolute;left:17px;bottom:15px;color:#707070}.daily-banner{margin-top:45px;padding:26px 30px;background:#fbfbe9;border:1px solid #ececc9;border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.daily-banner>div{display:flex;align-items:center;gap:20px}.daily-banner>div>.icon{color:#9b9e11}.daily-banner h2{font-size:20px}.daily-banner p{font-size:12px;color:#8b8b72;margin-top:6px}.daily-banner .button{font-size:13px;min-height:45px;padding-inline:25px}.catalog-title{text-align:center;margin:12px 0 38px}.catalog-title .eyebrow{justify-content:center;color:#707070}.catalog-title h1{font:700 56px/1.7 var(--display);margin:5px 0}.catalog-title p{font-size:15px;color:#707070}.catalog-toolbar{display:flex;gap:16px;max-width:850px;margin:auto}.catalog-search{display:flex;align-items:center;gap:12px;padding:0 18px;border:1px solid #dedede;border-radius:12px;height:56px;flex:1;min-width:0;color:#707070;transition:border-color 150ms}.catalog-search:focus-within{border-color:#8a8a8a}.catalog-search input{border:0;outline:0;min-width:0;flex:1;background:none;font-size:14px;color:#333}.catalog-search input::placeholder{color:#707070}.catalog-search kbd{font-size:19px;font-family:inherit;border:1px solid #eee;border-radius:5px;min-width:25px;text-align:center;line-height:1.4}.level-filter{position:relative;display:flex;align-items:center;border:1px solid #dedede;border-radius:12px;padding-inline-end:16px}.level-filter select{appearance:none;background:none;border:0;padding:13px 16px 13px 30px;min-height:54px;font-size:13px;color:#707070}.level-filter>.icon{position:absolute;left:13px;pointer-events:none}.catalog-tabs{display:flex;justify-content:center;gap:12px;margin:28px 0 48px;flex-wrap:wrap}.catalog-tabs button{display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px;border:1px solid var(--line);border-radius:999px;padding:9px 17px;min-height:45px;background:#fff;color:#707070}.catalog-tabs button.active{background:#111;color:white;border-color:#111}.catalog-tabs button:hover:not(.active){background:#f5f5f5}.catalog-results-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.catalog-results-heading h2{font-size:23px}.catalog-results-heading>span{color:#707070;font-size:12px}.catalog .course-grid{row-gap:28px}.empty-state{text-align:center;padding:70px 24px}.empty-state>.icon{color:#707070;margin:auto auto 20px}.empty-state h2{font-size:22px}.empty-state p{color:#707070;margin-top:12px;font-size:14px}.empty-state .button{margin-top:25px;font-size:14px}
.course-page{max-width:1200px;margin:auto;padding:34px 28px 80px}.back-link{color:#707070;font-size:12px;margin-bottom:20px}.course-hero{display:flex;align-items:center;min-height:360px;background:color-mix(in srgb,var(--course-color) 5%,white);border:1px solid color-mix(in srgb,var(--course-color) 20%,white);border-radius:24px;padding:40px 50px;gap:30px}.course-hero-copy{flex:1}.course-hero h1{font-size:34px;line-height:1.7;max-width:650px;margin:15px 0}.course-hero p{font-size:15px;line-height:2;color:#707070;max-width:550px}.course-detail-meta{display:flex;gap:24px;font-size:12px;color:#707070;flex-wrap:wrap;margin-top:20px}.course-detail-meta>span{display:flex;align-items:center;gap:6px}.course-hero .button{margin-top:25px;min-height:50px;font-size:15px}.course-hero-art{flex:0 0 32%}.course-body{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:55px;margin:50px 10px 0}.course-curriculum>.section-heading>span{font-size:12px;color:#707070}.unit{margin-bottom:32px}.unit h3{display:flex;align-items:center;gap:12px;font-size:16px;margin-bottom:18px}.unit h3>span{font-size:13px;width:29px;height:29px;display:grid;place-items:center;background:#f0edf6;border-radius:7px;color:#8e68bd}.unit-lessons{border:1px solid var(--line);border-radius:14px;overflow:hidden}.unit-lesson{display:flex;align-items:center;gap:17px;padding:17px 22px;border-bottom:1px solid #eee;transition:background-color 150ms}.unit-lesson:last-child{border:0}.unit-lesson:hover{background:#fafafa}.lesson-circle{width:44px;height:44px;border-radius:50%;background:#f1f1f1;color:#707070;display:grid;place-items:center;font-size:15px;flex-shrink:0}.unit-lesson.current .lesson-circle{background:var(--green);color:#0d4d1d;box-shadow:0 3px 0 #1baf46}.unit-lesson.complete .lesson-circle{background:#e2f6e7;color:#269549}.unit-lesson>span:nth-child(2){display:flex;flex-direction:column;gap:5px;min-width:0}.unit-lesson strong{font-size:14px;font-weight:550}.unit-lesson small{font-size:10px;color:#707070}.lesson-status{display:flex;align-items:center;gap:5px;font-size:11px;color:#707070;margin-inline-start:auto;flex-shrink:0}.unit-lesson.current .lesson-status{color:#209446}.unit-lesson .icon[name=chevron]{transform:rotate(180deg)}.course-aside{position:sticky;top:120px;align-self:start;border:1px solid var(--line);border-radius:18px;padding:28px 24px}.course-aside>img{margin-bottom:22px}.course-aside h2{font-size:19px}.course-aside p{font-size:12px;line-height:2.1;color:#707070;margin-top:12px}.course-aside .course-progress{margin-top:25px}.course-aside>strong{font-size:10px;color:#707070;display:block;margin-top:9px;font-weight:500}.aside-note{display:flex;align-items:flex-start;gap:7px;color:#707070;font-size:10px;line-height:1.9;margin-top:25px;padding-top:18px;border-top:1px solid #eee}.practice-page{max-width:900px;padding:65px 28px 90px;margin:auto;text-align:center}.practice-bolt{display:grid;place-items:center;margin:0 auto 18px;width:85px;height:85px;border-radius:50%;background:#e5f04a;color:#444d00}.practice-page>.eyebrow{justify-content:center}.practice-page>h1{font:700 60px/1.55 var(--display);margin:18px 0}.practice-page>p{color:#707070;font-size:14px}.daily-challenge-card{display:flex;align-items:center;text-align:right;border:1px solid #e5e5e5;border-radius:24px;padding:30px 45px;margin:40px 0;gap:40px}.daily-challenge-card>.course-art,.daily-challenge-card>.course-photo{width:38%;flex-shrink:0;order:2}.daily-challenge-card>div:not(.course-art){flex:1;min-width:0}.daily-challenge-card>.course-photo{aspect-ratio:4/3;height:auto;object-fit:cover;border-radius:16px;display:block}.practice-another{display:inline-flex;align-items:center;gap:8px}.daily-challenge-card h2{font-size:25px;margin:12px 0}.daily-challenge-card p{font-size:14px;color:#707070;line-height:2}.daily-challenge-card .button{margin-top:25px;font-size:15px;min-height:52px}

/* Start and local account */
.onboarding-page{min-height:100dvh;display:flex;flex-direction:column}.onboarding-header{height:108px;max-width:1050px;margin:0 auto;width:100%;padding:0 28px;display:flex;align-items:center;gap:30px;position:relative}.onboarding-header .brand{margin-inline-start:auto;order:3}.onboarding-header .brand img{width:125px}.onboarding-header>.icon-button{order:1}.onboarding-progress{height:8px;background:#ededed;border-radius:8px;overflow:hidden;flex:1;order:2}.onboarding-progress>span{height:100%;display:block;background:var(--green);border-radius:inherit;transition:width 250ms var(--ease)}.onboarding-main{max-width:660px;width:100%;margin:auto;padding:40px 24px;text-align:center}.onboarding-main h1{font-size:29px;line-height:1.8;letter-spacing:-.6px}.onboarding-main>p{color:#707070;font-size:14px;margin-top:12px}.onboarding-intro{padding-block:70px}.welcome-mascot{display:flex;justify-content:center;margin-bottom:30px;animation:mascot-hover 4s ease-in-out infinite}.welcome-mascot img{filter:drop-shadow(0 15px 25px #29cc5715)}.option-list,.subject-options{display:grid;gap:12px;margin-top:32px;text-align:right}.subject-options{grid-template-columns:1fr 1fr;gap:14px}.choice-card{border:2px solid #e5e5e5;border-radius:14px;padding:17px 22px;display:flex;align-items:center;gap:16px;box-shadow:0 2px 0 #eee;min-height:84px;background:white;transition:border-color 150ms,background-color 150ms,transform 150ms}.choice-card:active{transform:scale(.96)}.choice-card.selected{border-color:#29bd53;background:#f1fcf4;box-shadow:0 2px 0 #29bd53}.choice-card:hover:not(.selected){background:#fafafa;border-color:#ccc}.choice-card>span:not(.choice-number):not(.choice-check){display:flex;flex-direction:column;gap:4px;align-items:flex-start;text-align:right}.choice-card strong{font-size:15px;font-weight:600}.choice-card small{color:#707070;font-size:11px;line-height:1.8}.choice-number{background:#f5f5f5;width:36px;height:36px;border-radius:9px;display:grid;place-items:center;color:#707070;flex-shrink:0;font-size:14px}.choice-check{border:2px solid #ddd;border-radius:50%;height:22px;width:22px;margin-inline-start:auto;display:grid;place-items:center;color:transparent;flex-shrink:0}.selected .choice-check{background:var(--green);border-color:var(--green);color:white}.subject-choice{padding:18px 16px;min-height:100px;gap:12px}.subject-choice .category-icon{flex-shrink:0}.subject-choice strong{font-size:14px}.subject-choice small{font-size:10px}.subject-choice .choice-check{width:19px;height:19px}.time-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:35px}.time-choice{display:flex;flex-direction:column;padding:22px 12px;gap:10px}.time-choice strong{font-size:21px}.time-choice>span{color:#707070}.time-choice.selected>span{color:#28a04b}.habit-note{display:flex;align-items:center;justify-content:center;gap:9px;background:#fffceb;padding:16px;margin-top:25px;border-radius:10px;font-size:12px;color:#827827}.onboarding-bottom{border-top:1px solid #eee;width:100%;padding:24px max(28px,calc((100vw - 950px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:auto}.onboarding-bottom>span{color:#707070;font-size:12px}.onboarding-bottom .button{min-width:230px}.auth-page{max-width:1140px;min-height:calc(100vh - 112px);margin:auto;display:grid;grid-template-columns:1fr 1fr;direction:ltr;gap:110px;padding:50px 35px 70px;align-items:center}.auth-art{background:#f8f5ff;border-radius:28px;padding:55px 35px;position:relative;overflow:hidden;text-align:center;direction:rtl;min-height:600px;display:flex;flex-direction:column;justify-content:center}.auth-art .course-art{width:310px;max-width:100%;margin:0 auto 30px}.auth-art h2{font:700 40px/1.7 var(--display);z-index:2}.auth-art-dots{position:absolute;width:350px;height:350px;border:1px solid #e7ddfa;border-radius:50%;bottom:-200px;right:-150px;box-shadow:0 0 0 30px #efe8fc,0 0 0 31px #e7ddfa,0 0 0 70px #f3effb,0 0 0 71px #e7ddfa}.auth-form-wrap{direction:rtl}.auth-back{color:#707070;font-size:12px;margin-bottom:25px}.auth-form-wrap>h1{font-size:30px;letter-spacing:-.6px}.auth-form-wrap>p{font-size:14px;color:#707070;margin-top:6px}.auth-form-wrap form{display:flex;flex-direction:column;gap:18px;margin-top:30px}.auth-form-wrap label,.settings-card label{font-size:12px;color:#666;font-weight:550;display:flex;flex-direction:column;gap:7px}.auth-form-wrap input,.settings-card input,.settings-card select{border:1px solid #ddd;border-radius:10px;width:100%;height:52px;padding:11px 16px;font-size:14px;color:#222;background:white;transition:border-color 150ms}.auth-form-wrap input:focus,.settings-card input:focus{border-color:#929292}.auth-form-wrap input::placeholder,.settings-card input::placeholder{color:#707070;font-size:13px}.password-field{position:relative}.password-field input{padding-inline-end:65px}.password-field button{position:absolute;left:12px;top:12px;font-size:10px;color:#707070;padding:5px}.form-error{color:#d45348;font-size:12px;line-height:1.8;min-height:0}.form-error:empty{display:none}.auth-submit{width:100%;font-size:15px;min-height:52px;margin-top:4px}.auth-divider{display:flex;align-items:center;gap:15px;margin:25px 0;font-size:12px;color:#707070}.auth-divider:after,.auth-divider:before{content:'';height:1px;flex:1;background:#eee}.auth-guest{width:100%;font-size:14px;min-height:50px}.auth-form-wrap>.auth-switch{text-align:center;margin-top:22px;font-size:12px}.auth-switch a{color:#238a3f;font-weight:650}.auth-form-wrap>.auth-privacy{text-align:center;font-size:10px;line-height:1.9;margin-top:25px;color:#707070}

/* Interactive lesson */
.lesson-page{min-height:100dvh;display:flex;flex-direction:column}.lesson-header{height:100px;display:flex;align-items:center;gap:24px;padding:20px max(25px,calc((100vw - 1000px)/2));flex-shrink:0}.lesson-progress{height:10px;background:#eee;border-radius:99px;flex:1;overflow:hidden}.lesson-progress>span{background:var(--green);border-radius:inherit;height:100%;display:block;transition:width 400ms var(--ease)}.lesson-course-title{font-size:12px;color:#707070;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-main{width:100%;max-width:690px;margin:auto;padding:35px 24px 45px;outline:0}.lesson-main h1{font-size:26px;line-height:1.85;letter-spacing:-.5px;margin:16px 0 24px}.lesson-main .eyebrow{font-size:12px;color:#707070}.lesson-intro>p{font-size:16px;line-height:2.1;color:#6e6e6e}.try-it-label{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:550;color:#8c75ad;margin-top:30px;margin-bottom:12px}.lesson-intro>.lesson-intro-note{font-size:12px;text-align:center;color:#707070;margin-top:20px}.sandbox{border:1px solid #e3dcee;border-radius:19px;padding:30px;background:#faf8ff;min-height:230px;text-align:center}.sandbox label{font-size:13px;display:block;color:#707070}.sandbox input[type=range]{width:100%;max-width:300px;display:block;margin:22px auto;height:6px}.sandbox small{font-size:11px;color:#a49aaf;display:block;line-height:1.9}.function-machine{display:flex;align-items:center;justify-content:center;gap:22px;margin-bottom:28px;font:700 29px/1.5 var(--body);direction:ltr}.function-machine>span,.function-machine>output{width:64px;height:64px;background:#fff;border:2px solid #e3d9f4;border-radius:13px;display:grid;place-items:center;color:#8654c6}.function-machine>output{background:#e7d8fd;color:#67469a}.function-machine>i{font-style:normal;color:#b8a7d2}.function-machine>div{background:#aa77eb;color:white;padding:10px 20px;border-radius:12px;display:flex;flex-direction:column;align-items:center;box-shadow:0 4px 0 #8e60ca}.function-machine small{font:11px/1.8 var(--body);color:#e9dcff;white-space:nowrap}.neural-example{display:flex;align-items:center;justify-content:center;gap:14px;font:700 27px/1.5 var(--body);margin:12px 0 30px}.neural-example>span,.neural-example>output{background:white;padding:12px 16px;border-radius:12px;border:2px solid #e5dcee;color:#8c65bf}.neural-example>output{background:#e7d8fd}.neural-example>i{font-style:normal;color:#b2a5c4}.fraction-sandbox{display:flex;align-items:center;justify-content:center;gap:35px}.fraction-pie{width:150px;height:150px;background:conic-gradient(#7788e8 var(--fraction,270deg),#e5e8fa 0);border-radius:50%;position:relative;flex-shrink:0;border:5px solid white;box-shadow:0 0 0 1px #dce0ef}.fraction-pie:before,.fraction-pie:after{content:'';background:white;position:absolute;inset:0;margin:auto}.fraction-pie:before{width:4px;height:100%}.fraction-pie:after{width:100%;height:4px}.sandbox-controls{max-width:260px;flex:1}.sandbox-answer{font-size:25px;color:#7788ce;font-family:var(--body)}.circuit-drawing{position:relative;width:280px;height:160px;margin:0 auto 25px}.circuit-wire{position:absolute;inset:35px 30px 15px;border:4px solid #aaa;border-radius:7px}.battery{position:absolute;left:19px;top:63px;background:#faf8ff;font:700 23px/1.2 monospace;color:#707070}.lamp{position:absolute;left:111px;top:0;background:#faf8ff;color:#707070}.circuit-switch{position:absolute;top:77px;right:8px;background:#faf8ff;width:45px;height:50px;padding:8px}.circuit-switch i{display:block;width:28px;height:5px;background:#888;transform:rotate(-55deg);transition:transform 200ms}.circuit-on .circuit-switch i{transform:rotate(-90deg);background:#d6a20c}.circuit-on .lamp{color:#e6ad00;filter:drop-shadow(0 0 15px #f4d14699)}.circuit-on .circuit-wire{border-color:#eac34c}.circuit-sandbox>strong{font-size:14px;color:#666}.circuit-sandbox>small{margin-top:8px}.lesson-illustration{height:150px;max-width:230px;margin:0 auto 26px}.lesson-illustration .course-art{height:100%}.lesson-code{direction:ltr;text-align:left;background:#151521;color:#e6e6f1;font:16px/2 monospace;padding:24px 30px;border-radius:12px;max-width:470px;margin:0 auto 28px;overflow:auto;white-space:pre-wrap}.lesson-code code{font:inherit}.formula-visual{border:1px solid #e7dcf6;border-radius:14px;background:#faf7ff;padding:28px;text-align:center;font:28px/1.6 var(--body);color:#8554b5;margin:0 auto 25px;max-width:430px}.fraction-board{display:flex;align-items:center;justify-content:center;gap:30px;padding:15px 0 30px;flex-direction:column}.fraction-board>span{font-size:34px;font-family:var(--body);color:#6272c1}.fraction-board>small{font-size:11px;color:#707070}.question-chart{display:flex;align-items:flex-end;justify-content:center;gap:22px;height:190px;padding:20px;margin-bottom:25px;direction:ltr}.question-chart>div{width:56px;display:flex;align-items:center;flex-direction:column;gap:8px;color:#b36b58;font-size:14px}.question-chart i{width:100%;background:#f59d83;border-radius:8px 8px 0 0}.answer-options{padding:0;border:0;margin:0;display:flex;flex-direction:column;gap:10px}.answer-option{position:relative;display:flex;align-items:center;gap:15px;padding:13px 18px;border:2px solid #e6e6e6;border-radius:12px;min-height:62px;cursor:pointer;font-size:14px;transition:background-color 150ms,border-color 150ms}.answer-option:hover{background:#fafafa}.answer-option input{position:absolute;opacity:0;width:1px;height:1px}.answer-option:has(input:focus-visible){outline:3px solid #567afa;outline-offset:3px}.answer-number{display:grid;place-items:center;min-width:27px;height:27px;border:1px solid #e1e1e1;border-radius:7px;color:#707070;font-size:11px}.answer-option>.answer-radio{width:18px;height:18px;border-radius:50%;border:2px solid #ddd;margin-inline-start:auto;flex-shrink:0}.answer-option>.icon{margin-inline-start:auto;flex-shrink:0}.answer-option.selected{border-color:#5a80fa;background:#f5f7ff}.answer-option.selected>.answer-radio{border:5px solid #6d8cf2}.answer-option.correct{border-color:#29ba50;background:#edf9ef}.answer-option.correct>.icon{color:#269f46}.answer-option.incorrect{border-color:#df9287;background:#fff7f5}.answer-option.incorrect>.icon{color:#bc6051}.answers-checked .answer-option{cursor:default}.answer-feedback{padding:19px 22px;border-radius:12px;margin-top:20px;outline:0}.answer-feedback.correct{background:#eaf8ed;color:#278942}.answer-feedback.incorrect{background:#fff5e7;color:#a5782e}.answer-feedback>div{display:flex;align-items:center;gap:10px}.answer-feedback strong{font-size:15px}.answer-feedback p{font-size:13px;line-height:2;margin-top:7px}.lesson-hint{display:flex;align-items:flex-start;gap:12px;border:1px solid #e9dfc8;background:#fffced;color:#8a7d4d;padding:16px 20px;border-radius:12px;margin-top:18px;font-size:12px;line-height:2}.lesson-hint .icon{margin-top:3px}.lesson-footer{position:sticky;bottom:0;border-top:1px solid #eee;padding:24px max(28px,calc((100vw - 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/* Supporting pages */
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/* Motion is illustrative and never the only feedback. */
@keyframes histogram{0%,100%{transform:scaleY(.87)}45%{transform:scaleY(1.08)}75%{transform:scaleY(.95)}}
@keyframes slider-move{0%,100%{transform:translateY(0)}50%{transform:translateY(17px)}}
@keyframes scatter-pulse{0%,100%{opacity:1}50%{opacity:.65}}
@keyframes orbit-pulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes code-float{0%,100%{transform:translateY(0) rotate(-8deg)}50%{transform:translateY(-10px) rotate(-5deg)}}
@keyframes pixel-breathe{0%,25%,75%,100%{opacity:1}50%{opacity:.55}}
@keyframes edge-pulse{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes recommend-pulse{0%,100%{box-shadow:0 0 35px #a970ff24}50%{box-shadow:0 0 55px #a970ff40}}
@keyframes mascot-hover{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes tip-float{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}
@keyframes workout-float{0%,100%{transform:rotate(-5deg)}50%{transform:rotate(-2deg)}}
@keyframes streak-pulse{0%,100%{opacity:1}50%{opacity:.8}}
@keyframes draw-path{0%,15%{stroke-dashoffset:500}70%,100%{stroke-dashoffset:0}}
@keyframes confetti-fall{0%,100%{transform:translateY(0) rotate(25deg);opacity:1}50%{transform:translateY(15px) rotate(65deg);opacity:.4}}

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@media(max-width:1200px){.subject-strip{gap:30px;font-size:14px}.feature-inner{padding:0 48px;gap:24px}.feature-copy{flex-basis:43%}.feature-copy h2{font-size:55px}.feature-copy p{font-size:17px}.feature-visual>.art-svg{width:670px;left:-120px}.feature-reverse .feature-visual>.art-svg{right:-120px}.level-art{grid-template-columns:repeat(2,285px);grid-auto-rows:315px;gap:80px 55px}.feature-reverse .level-art{right:-185px}.explore{padding-inline:45px}.expert-subjects{font-size:19px}.learning-header-inner{gap:45px}.course-grid{gap:16px}.course-card-body{padding:17px 16px 32px}.course-card-art{height:150px;padding-inline:25px}.course-card h3{font-size:14px}.dashboard-title h1{font-size:30px}.continue-card{padding:25px}.continue-card h2{font-size:20px}.course-body{gap:30px}.auth-page{gap:65px}.educators-hero{gap:50px}.educator-copy h1{font-size:60px}}
@media(max-width:1023px){.hero-intro{padding-top:65px;padding-bottom:80px}.hero-lettering{height:350px;max-width:850px}.hero-first{font-size:125px}.hero-second{font-size:150px}.hero-histogram{left:1%;width:135px;height:100px}.hero-scatter{right:1%;width:230px}.hero-code{left:22%;bottom:-10px}.hero-orbit{right:10%;bottom:-15px;width:90px}.hero-copy{margin-top:65px}.subject-strip{gap:22px;padding-inline:20px;font-size:12px}.subject-strip .category-icon{width:23px}.trust-band h2{font-size:40px}.trust-items{gap:60px}.feature-section{min-height:750px}.feature-inner{min-height:750px;padding-inline:45px}.feature-visual{height:750px}.feature-copy h2{font-size:47px}.feature-copy p{font-size:16px}.feature-visual>.art-svg{width:610px;left:-135px}.feature-reverse .feature-visual>.art-svg{right:-135px}.level-art{grid-template-columns:repeat(2,255px);grid-auto-rows:295px;gap:85px 45px;top:100px}.feature-reverse .level-art{right:-190px}.level-tile .course-art{width:190px;height:190px}.level-tile{font-size:14px}.expert-band h2{font-size:40px}.expert-subjects{font-size:16px}.explore>h2{font-size:37px}.explore{padding:40px 30px 32px}.topic-panel{grid-template-columns:43% 57%}.topic-list{padding:25px 20px}.topic-demo{padding:20px 12px}.topic-list ul{font-size:12px}.code-example pre{font-size:9px;padding:10px}.final-cta h2{font-size:75px}.footer-main{grid-template-columns:1fr 1fr 1fr;row-gap:40px}.footer-main>.brand{grid-column:span 3}.footer-social{grid-column:span 3}.learning-header-inner{gap:30px}.learning-nav{gap:25px}.learning-nav a{font-size:13px}.dashboard-grid{grid-template-columns:1.7fr 1fr}.continue-card>.course-art{width:31%}.continue-card p{font-size:12px}.continue-card .button{padding-inline:20px;font-size:12px}.streak-card{padding:25px 18px}.streak-heading strong{font-size:16px}.week-dots i{width:22px;height:22px}.dashboard-xp>span{display:none}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.recommended .course-grid>.course-card:last-child{display:none}.course-card-art{height:165px}.course-hero{padding:32px}.course-hero h1{font-size:29px}.course-body{grid-template-columns:minmax(0,1fr) 240px}.course-aside{padding:25px 20px}.course-aside h2{font-size:16px}.auth-page{gap:40px;padding-inline:28px}.auth-art{min-height:570px;padding:40px 25px}.auth-art h2{font-size:35px}.educators-hero{gap:35px;padding-block:65px}.educator-copy h1{font-size:53px}.educator-copy p{font-size:15px}.educator-copy .button{font-size:14px;padding-inline:25px}.educator-points{gap:35px}.educator-points h2{font-size:18px}}
@media(max-width:767px){
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}
@media(max-width:430px){.hero-intro{padding-top:30px;padding-inline:18px;padding-bottom:52px}.hero-lettering{height:285px}.hero-words{padding-top:32px}.hero-first{font-size:68px;letter-spacing:-2px}.hero-second{font-size:91px;letter-spacing:-2px;margin-top:8px}.baseline-one{top:37%}.baseline-two{top:73%}.hero-histogram{left:1%;top:22px;width:67px;height:58px;gap:3px}.hero-histogram>i{width:10px}.hero-scatter{top:25px;right:0;width:115px}.hero-code{bottom:36px;left:24%;font-size:5px;gap:3px}.hero-code .code-growing{font-size:6px}.hero-orbit{width:44px;height:80px;right:4%;bottom:38px}.hero-copy{margin-top:50px}.hero-copy p{font-size:15px;line-height:1.9;padding-inline:7px}.hero-actions{flex-direction:column;margin-top:26px;gap:15px}.hero-actions>.button{width:100%;min-height:48px;font-size:15px}.trust-band h2{font-size:29px}.trust-items{gap:25px}.trust-items>div{font-size:10px}.trust-editorial{font-size:19px!important}.feature-inner,.feature-reverse .feature-inner{padding:55px 26px 0}.feature-copy h2{font-size:40px;line-height:1.6}.feature-copy p{font-size:14px;line-height:2;margin-top:15px}.feature-visual{height:410px}.feature-visual>.art-svg,.feature-reverse .feature-visual>.art-svg{width:460px}.feature-reverse .level-art,.level-art{left:5%;top:35px;grid-template-columns:repeat(2,200px);grid-auto-rows:220px;gap:55px 35px}.level-tile .course-art{width:145px;height:145px}.level-tile{font-size:11px;border-radius:24px}.expert-band h2{font-size:30px}.expert-band p{font-size:12px}.explore-wrap{padding-inline:14px}.explore{padding-inline:14px}.explore>h2{font-size:29px;line-height:1.6}.topic-tab{font-size:10px;padding-inline:10px}.topic-list ul{grid-template-columns:1fr;font-size:12px;gap:7px}.topic-list{padding:18px 14px}.topic-panel{padding:9px}.topic-demo{padding:22px 13px;min-height:305px}.code-example pre{font-size:9px}.topic-list h3{font-size:14px}.faq-section>h2{font-size:38px}.final-cta h2{font-size:57px}.dashboard-title h1{font-size:23px}.course-card-art{height:120px;padding-inline:13px}.course-card h3{font-size:12px}.course-card p{font-size:10px;min-height:60px}.course-card-meta{font-size:8px}.continue-card{padding:22px 18px}.continue-card h2{font-size:20px}.continue-card>.course-art{width:29%}.continue-card p{font-size:11px}.course-grid{gap:12px}.catalog-title h1{font-size:34px}.catalog-search input{font-size:11px}.level-filter select{max-width:105px;font-size:10px}.onboarding-main h1{font-size:22px}.onboarding-header{gap:10px}.onboarding-header .brand img{width:97px}.lesson-main{padding-inline:20px}.lesson-question h1{font-size:19px}.lesson-footer{gap:14px;padding-inline:20px}.lesson-footer>.button{font-size:12px;padding-inline:20px}.lesson-hint-button{font-size:10px}.choice-card small{font-size:9px}.brand-page>h1{font-size:44px}}
@media(max-width:359px){.header-inner{padding-inline:18px}.brand img{width:107px}.header-inner .button-small{min-height:42px;padding-inline:22px;font-size:12px}.hero-first{font-size:60px}.hero-second{font-size:80px}.hero-code{left:20%;bottom:60px}.hero-orbit{bottom:55px;right:2%}.hero-histogram{left:-3%;width:55px}.hero-copy{margin-top:25px}.hero-copy p{font-size:14px}.hero-lettering{height:265px}.hero-scatter{right:-1%;width:105px}.subject-strip{font-size:11px}.feature-copy h2{font-size:36px}.feature-copy p{font-size:13px}.feature-visual>.art-svg,.feature-reverse .feature-visual>.art-svg{width:420px}.explore>h2{font-size:26px}.topic-tabs{gap:4px}.topic-tab{font-size:9px;padding-inline:8px}.course-grid{gap:10px}.course-card-art{height:100px}.course-card-body{padding-inline:10px}.course-card h3{font-size:11px}.course-card p{font-size:9px;min-height:68px}.course-card-meta{font-size:8px;gap:4px}.learning-header-inner{padding-inline:16px}.learning-header .brand img{width:98px}.learning-nav{padding-inline:12px}.learning-nav>a{padding-inline:10px}.catalog-toolbar{flex-direction:column}.level-filter{align-self:flex-start}.level-filter select{min-height:40px}.catalog-title h1{font-size:30px}.daily-challenge-card{padding:20px}.function-machine{gap:7px;font-size:20px}.function-machine>div{padding-inline:10px}.neural-example{font-size:18px;gap:6px}.neural-example>span,.neural-example>output{padding:9px}.onboarding-main{padding-inline:20px}.onboarding-main h1{font-size:20px}.modal-actions{flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.reduce-motion{scroll-behavior:auto}.reduce-motion *,.reduce-motion *:before,.reduce-motion *:after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}

/* Readable foregrounds retain the reference surfaces and primary green. */
.more-topics{color:#656565}.footer-bottom{color:#9a9a9a}.footer-bottom button{color:inherit}.code-title{color:#333}.for-you{color:#2c164c}.sandbox small{color:#76647f}.function-machine small{color:#35154d}.try-it-label{color:#796195}.auth-switch a{color:#227c3b}.reset-card .button{color:#a85246}.continue-copy>.eyebrow{color:#8050b1}.header-streak{color:#8d6b00}.profile-button{color:#1a7134}.learning-nav>a.active{color:#111}.lesson-complete>.eyebrow{color:#287d3e}.answer-feedback.incorrect{color:#856020}.answer-feedback.correct{color:#227439}
@media(max-width:767px){.learning-nav>a.active{color:#217b3b}}

.browse-link{color:#666}.histogram-value{color:#30164f}.hero-code b,.hero-code .code-growing{color:#4862c0}.hero-code em{color:#8150b9}

.daily-banner p{color:#72725a}.habit-note{color:#746b20}.week-dots .done{color:#757100}
@media(max-width:767px){
 .learning-header{backdrop-filter:none;background:#fff}
 .profile-button{width:44px;height:44px}
 .topic-tab,.catalog-tabs button{min-height:44px}
 .subject-strip>a{min-height:44px}
 .onboarding-header>.icon-button{width:44px;height:44px}
 .onboarding-header>.icon-button>.icon{transform:rotate(180deg)}
 .password-field button{min-height:44px;min-width:48px;top:4px;left:5px}
 .sandbox input[type=range]{height:36px}
}

/* Abar Pro: low contrast for interface text, high contrast for display typography. */
h1,h2,.hero-first,.hero-second{font-variation-settings:"CNTR" 100}

.info-page .info-section{margin-top:44px}.info-page .info-section h2{font:700 24px/1.7 var(--display);margin:0}.info-page .info-section ul{margin:18px 0 0}.info-page>.button{margin-top:36px}
@media (max-width:720px){.info-page .info-section{margin-top:32px}.info-page .info-section h2{font-size:20px}}