/* Vector / a little, often. Mobile learning experience. */
:root{--ink:#14233b;--muted:#53606b;--green:#14233b;--lime:#fff5d9;--paper:#f4efe5;--line:#ded9cd;--amber:#94621b}
body{background:#f4efe5;font-family:-apple-system,BlinkMacSystemFont,'DM Sans',sans-serif;font-size:15px;line-height:1.55;overflow-x:hidden}
h1,h2,h3{font-family:inherit;letter-spacing:-.7px}button,a{touch-action:manipulation}button,input,select,textarea{font-family:inherit}button:disabled{cursor:not-allowed}a,button{transition:background .18s,transform .18s}button:active,.btn:active{transform:translateY(1px)}p{overflow-wrap:anywhere}.symbols{position:absolute;overflow:hidden}.sidebar,.topbar{display:none!important}.shell{display:block;min-height:100dvh;background:var(--paper);max-width:480px;margin:0 auto}.main-shell{margin:0;width:100%}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 14px;background:var(--paper);gap:12px}.mobile-wordmark{font-size:27px;font-weight:760;letter-spacing:-1.7px;line-height:.9;position:relative}.mobile-wordmark>span{color:#536c7c;font-size:24px;display:inline-block;margin-left:2px}.mobile-wordmark small{display:block;font-size:6px;letter-spacing:2.1px;margin-top:8px}.mobile-header>div{margin-left:auto;text-align:right}.mobile-header>div>span{display:none}.mobile-header>div>small{font-size:8px;font-weight:650;letter-spacing:1.1px;color:#6e7c86}.mobile-calendar{display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;height:40px;width:40px;background:#fff}.mobile-calendar svg{width:18px;height:18px}
#main{padding:16px 22px 20px;max-width:100%;min-height:calc(100dvh - 185px)}.main-shell>footer{padding:16px 22px 108px;display:flex;gap:12px;align-items:center;flex-direction:column;max-width:100%;font-size:10px}.main-shell>footer .text-button{font-size:10px;min-height:32px}.bottom-nav{display:flex;position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,480px);z-index:20;align-items:stretch;justify-content:space-around;padding:9px 12px calc(9px + env(safe-area-inset-bottom));background:#fffffff5;backdrop-filter:blur(16px);border-top:1px solid #ded9cd;gap:3px;overflow:visible}.bottom-nav a{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1;padding:8px 3px 6px;min-height:53px;color:#6e7c86;border-radius:12px;font-size:10px;line-height:1.2;font-weight:550;white-space:normal}.bottom-nav a svg{width:21px;height:21px;stroke-width:1.7}.bottom-nav a.active{background:#e4ecee;color:var(--green);font-weight:700}.bottom-nav a:last-child svg{fill:currentColor;stroke-width:0}.btn{min-height:48px;padding:12px 18px;border-radius:12px;font-size:13px;font-weight:650;letter-spacing:-.1px}.btn svg{width:18px;height:18px}.btn.secondary{background:transparent;border-color:#ded9cd}.btn.lime{background:var(--lime);color:var(--green)}.text-button{font-size:12px;min-height:44px;padding:8px 0}.inline-link{font-size:12px;text-decoration:none;font-weight:650}.heading{display:block;margin-bottom:22px}.heading h1{font-size:28px;line-height:1.13;margin:9px 0 12px;max-width:350px}.heading .eyebrow{font-size:9px;line-height:1.6;letter-spacing:1.5px}.heading .sub{font-size:13px}.heading .course-pill{display:none}.course-selection{display:block;margin:0 0 22px}.course-selection .course-switch{margin:0;max-width:none}.course-selection .inline-link{display:none}.course-switch label{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}select,input:not([type=radio]),textarea{font-size:16px!important;min-height:48px;border-radius:11px;border-color:#ded9cd;padding:12px;color:var(--ink);max-width:100%}select{padding-right:27px;overflow:hidden;text-overflow:ellipsis}.field{margin-bottom:18px}label,.label{font-size:13px}textarea{min-height:112px}.two-col{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}.card{border-radius:19px;border-color:#ded9cd;padding:21px;min-width:0}.card h2{font-size:21px}.card h3{font-size:16px}.stack{gap:16px}.note{font-size:11px;line-height:1.65;padding:14px 16px;border-radius:12px}.sub,.preserve{font-size:13px}.helper,.compact-note{font-size:11px;line-height:1.65}.mini-title{font-size:9px;letter-spacing:1.4px}.section-title{gap:10px;margin-bottom:16px}.section-title h2{font-size:18px}.section-title span{display:inline;font-size:10px;text-align:right}.stats{gap:7px;margin-bottom:23px}.stat{display:block;padding:14px 10px;border-radius:15px}.stat-icon{display:none}.stat-number{font-family:inherit;font-size:25px;letter-spacing:-1px}.stat-label{font-size:9px;line-height:1.5}.stat-number small{font-size:12px;letter-spacing:0}.badge{font-size:10px;padding:5px 9px;border-radius:8px}.feature-icon{height:42px;width:42px;border-radius:13px}.feature-icon svg{width:20px;height:20px}.question{padding:18px;border-radius:14px}.question .math{font-size:25px;overflow-wrap:anywhere}.question p{font-size:14px}.actions{gap:9px}.actions .btn{flex:1}.actions .text-button{width:100%}.confidence{gap:7px}.confidence button{border-radius:12px;min-height:56px}.confidence-labels{font-size:10px}.radio-row{font-size:13px;min-height:43px;padding:8px;background:#faf8f2;border-radius:10px}.radio-row input{width:18px;height:18px;flex-shrink:0}.feedback{border-radius:12px}.list li{font-size:12px}.unit-progress-list{margin-top:14px}.unit-progress-row{display:block;padding:13px 0}.unit-progress-row>div:first-child{display:flex;justify-content:space-between;gap:10px}.unit-progress-row strong{font-size:12px}.unit-progress-row span{font-size:10px;flex-shrink:0}.unit-progress-row .progress-track{margin:10px 0 0}.chart{height:180px}.chart-col small{font-size:8px}.chart-col strong{font-size:11px}.plan-summary{flex-wrap:wrap;font-size:12px}.item-top{gap:8px}.followup h2,.assignment h2{font-size:22px}.catalog-intro{border-radius:17px;display:block;padding:20px}.catalog-intro>div{display:flex;align-items:center;gap:15px}.catalog-intro>p{font-size:12px;margin-bottom:0}.catalog-total{font-size:36px}.catalog-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.catalog-controls>div:first-child{grid-column:1/-1}.course-grid{display:grid;grid-template-columns:1fr;gap:14px}.course-card .btn{width:100%}.course-card h2{font-size:22px}.course-grade{font-size:10px}.course-meta{font-size:12px}.booking-hero{min-height:280px;border-radius:22px}.booking-hero .hero-copy{width:100%;padding:25px;position:relative}.booking-hero h2{font-size:29px}.booking-hero p{font-size:13px;max-width:270px}.booking-art{opacity:.12;right:-40px;bottom:0}.booking-hero .btn{position:relative;z-index:1}.booking-option{gap:12px}.booking-steps li{gap:12px}.booking-steps li>span{flex-shrink:0}.more-menu{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}.more-menu>a{display:flex;align-items:center;gap:13px;padding:17px 18px;border-bottom:1px solid var(--line)}.more-menu>a:last-child{border:0}.more-menu>a>svg{margin-left:auto;flex-shrink:0;width:17px}.more-menu strong,.more-menu small{display:block}.more-menu strong{font-size:13px}.more-menu small{font-size:11px;color:var(--muted);margin-top:3px}.phone-account-note{margin-top:20px}.phone-account-note .btn{margin-top:18px}#toast{z-index:60;bottom:100px;width:calc(100% - 40px);max-width:390px;border-radius:13px;text-align:center;font-size:12px}
/* Home / one useful next step. */
.today-heading{display:flex;justify-content:space-between;align-items:start;gap:10px;margin:8px 0 22px}.today-heading h1{font-size:32px;line-height:1.12;font-weight:600;letter-spacing:-1.25px;margin:5px 0 10px}.today-heading p{font-size:13px;color:var(--muted);margin:0}.today-date{font-size:9px;color:var(--muted);letter-spacing:.8px;text-transform:uppercase}.course-context-picker{margin:0 0 20px}.course-context-picker label{font-size:9px;letter-spacing:1.2px;color:var(--muted);text-transform:uppercase}.course-context-picker select{border-radius:12px;background:#ffffff9c;font-size:13px!important;font-weight:600;min-height:47px}.next-action-card{position:relative;overflow:hidden;border-radius:24px;background:var(--green);color:#fff;padding:25px;margin:0 0 20px;box-shadow:0 8px 20px #14233b14}.next-action-card:after{content:'';position:absolute;width:180px;height:180px;border:1px solid #e6d6ac33;border-radius:50%;right:-55px;top:-65px;box-shadow:0 0 0 24px #ffffff03,0 0 0 49px #ffffff03;pointer-events:none}.next-action-card h2{font-size:30px;line-height:1.08;font-weight:550;letter-spacing:-1.1px;position:relative;z-index:1;margin:19px 0 12px;max-width:290px}.next-action-card p{color:#d1d9de;font-size:12px;line-height:1.7;position:relative;z-index:1;max-width:285px}.next-action-card .eyebrow,.next-action-top{color:#fff5d9;font-size:9px;letter-spacing:1.4px;font-weight:600}.next-action-top{display:flex;justify-content:space-between;align-items:center}.next-action-top .badge{font-size:8px;letter-spacing:.6px;background:#ffffff13;color:#fff5d9}.next-action-card .btn{width:100%;position:relative;z-index:1;margin-top:12px;justify-content:space-between;padding:13px 18px}.next-action-icon{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#ffffff15}.next-action-art{position:absolute;right:19px;top:43px;width:90px;height:90px;opacity:.2}.week-card{background:#e7ece9;border-radius:18px;padding:18px;margin-bottom:26px}.week-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.week-header h2,.week-header h3{font-size:13px;letter-spacing:-.2px;margin:0}.week-header span,.week-header p{font-size:10px;color:var(--muted);margin:0}.week-days{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}.week-day{display:flex;flex-direction:column;align-items:center;gap:7px;font-size:9px;color:#6e7c86}.week-day span,.week-day strong{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-size:11px;background:#fff9;border:1px solid #ded9cd;font-weight:500}.week-day.is-active span,.week-day.is-active strong{background:var(--green);color:var(--lime);border-color:var(--green)}.week-day.is-today span,.week-day.is-today strong{outline:1px solid #536c7c;outline-offset:3px}.week-day.is-future{opacity:.45}.week-day svg{width:14px;height:14px}.today-plan{margin-bottom:25px}.today-plan>.section-title{margin-top:3px}.plan-step{display:flex;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}.plan-step:last-child{border-bottom:0}.plan-step-number{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#e7ece9;color:#536c7c;font-size:11px;flex-shrink:0}.plan-step-copy{flex:1;min-width:0}.plan-step-copy h3,.plan-step-copy strong{display:block;font-size:13px;letter-spacing:-.2px;margin:0 0 4px;font-weight:650}.plan-step-copy p,.plan-step-copy small{display:block;font-size:11px;color:var(--muted);margin:0}.plan-step>svg{width:16px;height:16px;flex-shrink:0}.plan-step.is-done .plan-step-number{background:var(--green);color:var(--lime)}.home-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:19px 0;border-block:1px solid var(--line);margin-bottom:22px}.home-metrics>div{text-align:center;border-right:1px solid var(--line)}.home-metrics>div:last-child{border:0}.home-metrics strong{display:block;font-size:23px;letter-spacing:-.8px;font-weight:650}.home-metrics small,.home-metrics span{display:block;font-size:10px;color:var(--muted);margin-top:3px}.support-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border-radius:17px;background:#e7ece9;padding:19px;margin:15px 0}.support-row h3,.support-row strong{display:block;font-size:14px;margin:0 0 4px}.support-row p,.support-row small{display:block;font-size:11px;color:var(--muted);margin:0}.support-row>svg{width:20px;flex-shrink:0}.compact-disclosure{color:var(--muted);font-size:10px;line-height:1.7;margin:16px 0;padding:0 2px}.compact-disclosure summary{cursor:pointer;min-height:34px;display:flex;align-items:center;gap:7px}.compact-disclosure summary:before{content:'i';border:1px solid #6e7c86;display:inline-grid;place-items:center;width:14px;height:14px;font-size:9px;border-radius:50%}.compact-disclosure p{margin:4px 0 12px}
/* Practice library and focused quiz. */
.quiz-library-heading h1{font-size:31px;margin:8px 0 10px;line-height:1.13}.quiz-library-heading p{font-size:13px;color:var(--muted);margin:0 0 22px}.library-meta{display:flex;gap:10px;align-items:center;font-size:10px;color:var(--muted);margin:12px 0 22px}.unit-switcher{margin:20px 0}.unit-switcher label{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}.unit-switcher select{font-size:14px!important}.unit-progress-mini{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;margin:20px 0}.unit-progress-mini .progress-track{flex:1;margin:0;min-width:40px}.quiz-list{display:grid;gap:10px;margin:16px 0 21px}.quiz-list-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:17px;background:#fff;padding:17px 15px}.quiz-list-index{font-size:12px;width:35px;height:38px;border-radius:11px;background:#e7ece9;display:grid;place-items:center;flex-shrink:0;color:#536c7c}.quiz-list-copy{flex:1;min-width:0}.quiz-list-copy h3{font-size:14px;letter-spacing:-.2px;margin:0 0 4px}.quiz-list-copy p{font-size:10px;margin:3px 0;color:var(--muted)}.quiz-list-action .btn,.quiz-list-item>.btn{padding:10px 11px;min-height:42px;font-size:11px;border-radius:11px;gap:5px}.quiz-list-action .btn svg,.quiz-list-item>.btn svg{width:14px}.quiz-list-item.has-draft{background:#e4ecee;border-color:#9aafba}.quiz-list-item.is-complete .quiz-list-index{background:#e4ecee}.unit-answer-key{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:11px}.unit-answer-key summary{min-height:26px;cursor:pointer;font-size:12px;font-weight:600}.focus-quiz{padding:3px 0 18px;min-height:calc(100dvh - 210px)}.focus-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}.focus-top .text-button{font-size:11px}.question-progress{margin:20px 0 28px}.question-progress .progress-track{margin:12px 0}.question-progress>p,.question-progress>span{font-size:10px;font-weight:650;color:var(--muted);letter-spacing:.5px}.focus-question{font-size:26px;line-height:1.33;font-weight:550;letter-spacing:-.7px;margin:25px 0}.focus-quiz .quiz-options{margin:26px 0}.quiz-option{border:1px solid #ded9cd;border-radius:14px;padding:16px 15px;font-size:16px;min-height:61px;margin-top:12px;gap:13px}.quiz-option.selected{border:2px solid #536c7c;background:#e4ecee;padding:15px 14px}.option-letter{border:1px solid #ded9cd;width:28px;height:28px;border-radius:9px;font-size:11px;flex-shrink:0}.quiz-option.selected .option-letter{background:var(--green);border-color:var(--green);color:white}.focus-actions{display:flex;gap:10px;flex-wrap:wrap;padding:16px 0 7px;position:sticky;bottom:0;background:var(--paper);z-index:2}.focus-actions .btn{flex:1}.focus-actions .text-button{width:100%;font-size:11px}.is-answering .bottom-nav{display:none}.is-answering .main-shell>footer{padding-bottom:25px}.quiz-result .result-score{font-size:76px;font-weight:550;letter-spacing:-5px;color:var(--green);margin:10px 0}.result-score span{font-size:26px;letter-spacing:-1px;color:#6e7c86}.quiz-result h1,.quiz-result h2{font-size:29px}.quiz-result>.sub{font-size:13px}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.result-actions .btn{flex:1;white-space:nowrap}.result-actions .inline-link{width:100%;text-align:center}.answer-review{padding:18px;border:1px solid var(--line);border-radius:15px;margin:12px 0;background:white}.answer-review p{font-size:13px;margin:8px 0}.answer-review .helper{font-size:11px}.answer-review.is-missed{border-color:#ead9b6;background:#faf8f2}.answer-review .badge{font-size:9px}.quiz-result .review-item{border:0}
/* Desktop website entry. */
#desktop-website{display:none}#phone-preview-toolbar,.preview-context{display:none}.website-header .brand{padding:0;font-size:30px}.website-header .brand-icon{display:none}.website-header{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:34px 40px}.website-header>div{display:flex;align-items:center;gap:28px}.website-portal-label{font-size:9px;color:var(--muted);letter-spacing:1.7px}.website-header .btn{min-height:42px;font-size:12px;padding:9px 22px}.website-main{max-width:1200px;min-height:0;margin:0 auto;padding:40px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:65px}.website-copy .eyebrow{font-size:10px;letter-spacing:2px;color:#a88b52}.website-copy h1{font-size:clamp(48px,5.5vw,76px);line-height:1.02;font-weight:500;letter-spacing:-3.5px;margin:22px 0 24px}.website-copy h1 em{font-family:Georgia,serif;font-weight:400;color:#a88b52;letter-spacing:-3px}.website-copy>p{font-size:15px;color:#53606b;max-width:380px;line-height:1.8}.website-feature-chips{display:flex;gap:20px;padding:18px 0 24px;margin-top:22px;border-top:1px solid #ded9cd}.website-feature-chips span{font-size:11px;color:#53606b}.website-feature-chips span+span{border-left:1px solid #ded9cd;padding-left:20px}.website-actions{display:flex;gap:12px;flex-wrap:wrap}.website-actions .btn{font-size:12px}.website-copy .website-demo-note{font-size:11px;max-width:360px;line-height:1.7;margin-top:20px}.website-copy .inline-link{font-size:12px}.website-phone-scene{position:relative;min-height:580px;display:flex;justify-content:center;align-items:center}.website-orbit{position:absolute;width:460px;height:460px;border:1px solid #ded9cd;border-radius:50%;top:70px;left:50%;transform:translateX(-50%);pointer-events:none}.orbit-two{width:360px;height:360px;top:120px}.phone-illustration{background:var(--paper);border:7px solid #14233b;width:290px;min-height:552px;border-radius:43px;padding:27px 20px 16px;position:relative;box-shadow:0 24px 80px #14233b14;transform:rotate(5deg);overflow:hidden}.phone-island{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:84px;height:19px;background:#14233b;border-radius:20px}.illustration-brand{font-size:25px;font-weight:700;letter-spacing:-1.5px;margin:14px 0 25px}.illustration-brand span{color:#536c7c}.phone-illustration>.eyebrow{font-size:7px}.phone-illustration>h2{font-size:24px;font-weight:600;line-height:1.15;margin:10px 0 18px}.illustration-lesson{background:var(--green);border-radius:18px;color:white;padding:21px}.illustration-lesson>span{font-size:7px;letter-spacing:1px;color:#fff5d9}.illustration-lesson h3{font-size:24px;font-weight:500;line-height:1.12;margin:14px 0 19px}.illustration-lesson>div{background:var(--lime);border-radius:9px;padding:9px 12px;color:var(--ink);font-size:9px;font-weight:650;display:flex;justify-content:space-between}.illustration-tiles{display:flex;gap:10px;margin:15px 0}.illustration-tiles>div{flex:1;padding:11px;border:1px solid var(--line);border-radius:12px;background:#fff}.illustration-tiles strong{font-size:20px;display:block;line-height:1.2;font-weight:600}.illustration-tiles small{font-size:8px;color:var(--muted)}.illustration-task{display:flex;gap:10px;align-items:center;background:#e7ece9;padding:12px;border-radius:12px;font-size:10px}.illustration-task>span{display:grid;place-items:center;background:#e4ecee;width:26px;height:26px;border-radius:50%}.illustration-task small{display:block;font-size:8px;color:var(--muted)}.illustration-nav{display:flex;justify-content:space-around;padding-top:18px;font-size:17px;color:#6e7c86}.website-footer{max-width:1200px;padding:30px 40px 35px;font-size:10px;display:flex;justify-content:space-between;border-top:1px solid #ded9cd;margin:32px auto 0}.website-footer span:last-child{color:#53606b}.floating-note{position:absolute;z-index:2;background:#fffffff0;box-shadow:0 12px 35px #14233b14;border:1px solid #ded9cd;border-radius:15px;padding:16px 20px;left:-5px;bottom:60px;transform:rotate(-4deg);font-size:11px}.floating-note strong{display:block;font-size:13px;margin-bottom:3px}.floating-note span{font-size:10px;color:var(--muted)}
dialog{border:1px solid #ded9cd;border-radius:24px;padding:34px;max-width:410px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 25px 100px #0003}dialog::backdrop{background:#14233b66;backdrop-filter:blur(4px)}dialog .dialog-close{position:absolute;right:17px;top:12px;background:transparent;border:0;font-size:26px;color:var(--muted);min-width:40px;min-height:40px}dialog .feature-icon{margin-bottom:20px}dialog h2{font-size:27px;margin:12px 0}dialog p{font-size:13px;color:var(--muted);line-height:1.7}dialog .btn{width:100%;margin-top:10px}dialog .eyebrow{margin-top:10px}
@media(min-width:768px){body{background:#f4efe5}#desktop-website{display:block}.shell,.bottom-nav{display:none}.preview-learning #desktop-website{display:none}.preview-learning .shell{display:block;max-width:430px;min-height:calc(100dvh - 96px);margin:72px max(50px,calc((100vw - 1000px)/2)) 28px auto;box-shadow:0 20px 70px #14233b14;border:1px solid #ded9cd;border-radius:30px;overflow:hidden;position:relative}.preview-learning .bottom-nav{display:flex;width:428px;left:auto;right:max(51px,calc((100vw - 1000px)/2 + 1px));transform:none;bottom:0}.preview-learning #phone-preview-toolbar{display:flex;align-items:center;justify-content:space-between;position:fixed;top:0;left:0;width:100%;height:54px;background:#eee9dff0;backdrop-filter:blur(12px);z-index:40;padding:0 35px;border-bottom:1px solid #ded9cd}.preview-learning #phone-preview-toolbar>span{font-size:8px;letter-spacing:1.5px;color:#6e7c86}.preview-learning #phone-preview-toolbar .text-button{text-decoration:none;font-size:11px}.preview-learning .preview-context{display:block;position:fixed;left:max(40px,calc((100vw - 1040px)/2));top:26vh;width:390px}.preview-context .eyebrow{font-size:10px;letter-spacing:2px;color:#536c7c}.preview-context h2{font-size:56px;font-weight:500;line-height:1.02;letter-spacing:-2.5px;margin:22px 0}.preview-context h2 em{font-family:Georgia,serif;color:#a88b52;font-weight:400}.preview-context>p{font-size:14px;color:var(--muted);line-height:1.8;max-width:310px}.preview-context .preview-pills{display:flex;flex-wrap:wrap;gap:8px;max-width:290px;margin-top:25px}.preview-pills span{font-size:10px;border:1px solid #ded9cd;border-radius:20px;padding:7px 11px;color:#53606b}.preview-context .preview-footnote{font-size:10px;max-width:290px;margin-top:30px;line-height:1.8}.preview-learning #toast{left:auto;right:max(70px,calc((100vw - 960px)/2));transform:none;max-width:390px}.preview-learning.is-answering .bottom-nav{display:none}.preview-learning .mobile-header{padding-top:25px}.preview-learning .main-shell>footer{padding-bottom:90px}.preview-learning.is-answering .main-shell>footer{padding-bottom:24px}}
@media(min-width:768px) and (max-width:1050px){.preview-learning .preview-context{width:280px;left:35px}.preview-context h2{font-size:44px}.preview-learning .shell{margin-right:35px}.preview-learning .bottom-nav{right:36px}.website-main{gap:25px;padding-top:25px}.website-copy h1{font-size:56px}.website-phone-scene{transform:scale(.9);transform-origin:center}.website-orbit{width:350px;height:350px;top:120px}.orbit-two{width:280px;height:280px;top:155px}}
@media(max-width:767px){body{background:var(--paper)}.shell{max-width:600px}.bottom-nav{max-width:600px;width:100%}.mobile-header{padding-top:max(22px,env(safe-area-inset-top))}#main{padding-inline:20px}.main-shell>footer{padding-bottom:105px}.is-answering .main-shell>footer{padding-bottom:25px}.focus-actions{bottom:0;padding-bottom:calc(12px + env(safe-area-inset-bottom))}}
@media(max-width:359px){#main{padding-inline:16px}.mobile-header{padding-inline:16px}.today-heading h1{font-size:29px}.next-action-card{padding:21px}.next-action-card h2{font-size:27px}.card{padding:17px}.quiz-list-item{padding:14px 11px;gap:9px}.quiz-list-item>.btn{padding:8px;font-size:10px}.week-days{gap:3px}.week-day span,.week-day strong{width:29px;height:29px}.heading h1{font-size:25px}.actions .btn{min-width:100px}.focus-question{font-size:24px}}
.today-heading-mark{font-size:33px;line-height:1;color:#a88b52;margin-top:28px}.course-context-picker>a{display:flex;justify-content:flex-end;align-items:center;gap:5px;font-size:10px;font-weight:600;color:#53606b;margin-top:9px}.course-context-picker>a svg{width:13px;height:13px}.week-day>span{border:0;background:none;display:block;width:auto;height:auto;font-size:9px;color:#6e7c86;outline:none!important;box-shadow:none}.week-day.is-active>span{background:none;color:var(--green)}.home-metrics>a{text-align:center;border-right:1px solid var(--line)}.home-metrics>a:last-child{border:0}.home-metrics strong small{font-size:11px;display:inline;font-weight:450;letter-spacing:0}.support-row>div{flex:1}.support-row strong{font-size:12px}.support-row .feature-icon{background:#e4ecee;width:36px;height:36px;border-radius:11px}.unit-progress-mini{display:flex;gap:7px;margin-top:17px}.unit-progress-mini>span{display:block;height:5px;border-radius:3px;background:#ded9cd;flex:1}.unit-progress-mini>span.is-complete{background:#536c7c}.quiz-list-action{display:flex;align-items:center;justify-content:center;border:0;border-radius:10px;background:#e7ece9;padding:10px 11px;gap:5px;min-height:44px;color:var(--green);font-size:11px;font-weight:650}.quiz-list-action svg{width:14px;height:14px}.quiz-list-action.is-resume{background:var(--green);color:#fff}.quiz-list-copy>small{display:block;font-size:9px;color:var(--muted);margin-top:3px}.focus-top button{display:flex;align-items:center;gap:7px;text-decoration:none}.focus-top button svg{width:14px;transform:rotate(180deg)}.question-progress{display:flex;gap:7px}.question-progress>span{display:block;height:5px;border-radius:3px;background:#ded9cd;flex:1}.question-progress>span.is-answered{background:#536c7c}.question-progress>span.is-current{box-shadow:0 3px 0 #a88b52}.focus-question h1{font-size:27px;line-height:1.35;font-weight:550;letter-spacing:-.6px;margin:24px 0}.focus-question .quiz-option>svg{width:17px;flex-shrink:0;margin-left:auto}.focus-actions{align-items:center}.focus-actions>.helper{margin:0;flex:1;font-size:11px}.focus-saved{text-align:center;font-size:10px}.answer-review summary{display:flex;align-items:center;gap:11px;font-size:13px;cursor:pointer;line-height:1.6;list-style:none;min-height:40px}.answer-review summary::-webkit-details-marker{display:none}.answer-review-status{display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;background:#e7ece9;border-radius:8px;font-size:11px;color:#536c7c}.answer-review-status svg{width:15px;height:15px}.is-missed .answer-review-status{background:#f6e9ce;color:#8a632c}.answer-review-body{margin:14px 0 0;padding-top:9px;border-top:1px solid var(--line)}.answer-review-body .helper{margin-bottom:0;font-size:10px}.answer-explanation{padding:12px;background:#e7ece9;border-radius:10px;font-size:12px!important}.library-repetition{font-size:10px;line-height:1.7}
.catalog-intro>div{max-width:none}.catalog-intro>div p{margin:0;max-width:none;font-size:9px}.catalog-intro>p{margin-top:15px;line-height:1.8}
.unit-locked-card{border:1px solid #ded9cd;background:#e7ece9;border-radius:21px;padding:25px 22px;text-align:center;margin:22px 0}.unit-lock-symbol{display:grid;place-items:center;width:58px;height:58px;background:#e4ecee;border-radius:18px;margin:0 auto 16px;color:#536c7c}.unit-lock-symbol svg{width:26px;height:26px}.unit-locked-card>.badge{font-size:9px;letter-spacing:.8px;background:#e4ecee;color:#53606b}.unit-locked-card h2{font-size:26px;line-height:1.18;margin:17px 0 12px}.unit-locked-card p{font-size:13px;color:#53606b}.unit-locked-card .helper{font-size:11px;line-height:1.8}.quiz-list-item.is-locked{background:#faf8f2;border-color:#ded9cd}.is-locked .quiz-list-index{background:#e4ecee;color:#6e7c86}.is-locked .quiz-list-index svg{width:17px;height:17px}.quiz-list-action:disabled{cursor:not-allowed;background:#e4ecee;color:#53606b;font-size:10px}.tutor-unit-access{margin:25px 0 32px}.tutor-unit-access>.sub{margin-bottom:20px}.unit-access-preview{font-size:10px;line-height:1.8;color:var(--muted);padding:12px 14px;border:1px dashed #ded9cd;border-radius:12px;margin:0 0 18px}.tutor-unit-list{display:grid;gap:15px}.tutor-unit-card h3{font-size:20px;line-height:1.3;margin:0 0 9px}.tutor-unit-card>.btn{width:100%;margin-top:17px;justify-content:center}.tutor-unit-card .item-top{margin-bottom:15px}.tutor-unit-card .item-top>.helper{font-size:9px;margin:0;letter-spacing:.4px}.tutor-unit-card.is-unlocked{border-color:#9aafba;background:#faf8f2}.tutor-unit-card.is-unlocked .badge{background:#e4ecee;color:#536c7c}.locked-badge{background:#e7ece9;color:#53606b}.tutor-answer-key{border-top:1px solid var(--line);margin-top:17px;padding-top:8px}.tutor-answer-key summary{font-size:11px;color:var(--muted);cursor:pointer;padding:9px 0;min-height:36px}.tutor-answer-key .review-item{font-size:12px}.unit-progress-row strong{min-width:0}.unit-progress-row>div:first-child span{max-width:105px;text-align:right}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}