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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal-ready{opacity:1;transform:none}}
/* Reading sizes stay comfortable while labels remain compact. */
.section-aside{font-size:15px}.journey-step>p{font-size:14px}.quiz-intro>p:not(.eyebrow){font-size:15px}.quiz-option{font-size:14px}.quiz-feedback{font-size:12px}.quiz-guide span{font-size:12px}.quiz-guide b{font-size:13px}.quiz-tabs button{font-size:12px}.quiz-meta{font-size:9px}.quiz-footnote{font-size:10px}.quiz-next{font-size:12px}.tour-tab small{font-size:14px}.tour-number{font-size:11px}.chat-message{font-size:13px}.chat-header{font-size:12px}.chat-header small{font-size:10px}.chat-prompt{font-size:11px}.demo-flashcard{font-size:15px}.practice-note{font-size:11px}.feedback-row{font-size:12px}.feedback-row small{font-size:11px}.feedback-note{font-size:12px}.parent-copy>p:not(.eyebrow){font-size:15px}.parent-list b{font-size:14px}.parent-list p{font-size:13px}.parent-copy>.text-link{font-size:13px}.plan-intro p{font-size:13px}.price-card ul{font-size:12px}.plan-intro{min-height:136px}.pricing-heading>p:last-child{font-size:15px}.pricing-note{font-size:12px}.faq-heading>p:not(.eyebrow){font-size:15px}.faq-items summary{font-size:15px}.faq-items details>p{font-size:14px}.final-inner>div>p:not(.eyebrow){font-size:15px}.cta-note{font-size:11px}.footer-main nav{font-size:12px}.footer-main>div>p{font-size:12px}.footer-bottom{font-size:10px}.quiz-result-cta{font-size:12px;margin-top:20px;padding:11px 15px;box-shadow:0 3px 0 var(--ink)}
@media(min-width:901px){.quiz-notebook{min-height:510px}.tour-display{min-height:420px}.tour-screen{min-height:370px}}
@media(max-width:900px){.section-aside{font-size:13px}.journey-step>p{font-size:13px}.tour-tab small{font-size:12px}.tour-tab b{font-size:22px}.tour-display{min-height:422px}.tour-screen{min-height:372px}.parent-list p{font-size:12px}.parent-list b{font-size:13px}.price-card ul{font-size:11px}.plan-intro p{font-size:12px}.plan-intro{min-height:155px}.quiz-tabs button{font-size:10px}.quiz-intro>p:not(.eyebrow){font-size:14px}.quiz-option{font-size:12px}.quiz-feedback{font-size:11px}.quiz-footnote{font-size:9px}.faq-items summary{font-size:14px}.quiz-guide span{font-size:10px}}
@media(max-width:680px){.section-aside{font-size:14px}.journey-step>p{font-size:13px}.journey-step{grid-template-columns:116px 1fr;column-gap:17px}.journey-step h3{font-size:22px}.step-visual{width:116px;height:176px}.tour-tab small{font-size:13px}.quiz-intro>p:not(.eyebrow){font-size:14px}.quiz-option{font-size:13px}.quiz-feedback{font-size:12px}.quiz-tabs button{font-size:11px}.quiz-guide span{font-size:11px}.quiz-footnote{font-size:9px}.parent-copy>p:not(.eyebrow){font-size:14px}.parent-list b{font-size:14px}.parent-list p{font-size:13px}.parent-copy>.text-link{font-size:12px}.plan-intro{min-height:0}.plan-intro p{font-size:12px}.plan-tag{font-size:8px}.price-card ul{font-size:13px}.pricing-heading>p:last-child{font-size:14px}.pricing-note{font-size:11px}.faq-items summary{font-size:14px}.faq-items details>p{font-size:13px}.faq-heading>p:not(.eyebrow){font-size:14px}.final-inner>div>p:not(.eyebrow){font-size:14px}.footer-main nav{font-size:11px}.footer-main>div>p{font-size:11px}.footer-bottom{font-size:9px}.quiz-intro h2 br:nth-child(1){display:initial}}
@media(max-width:360px){.journey-step{grid-template-columns:90px 1fr;gap:14px}.step-visual{width:90px;height:190px}.journey-step h3{font-size:21px}.journey-step>p{font-size:12px}.quiz-tabs button{font-size:10px;padding-inline:7px}.price-card{padding-inline:18px}.plan-intro p{max-width:145px;font-size:11px}.price-card ul{font-size:12px}}

/* Mr Bac: the brand's bolder, tactile learning interface. */
body{font-weight:500}
h1,h2,h3{font-weight:700}
h1{letter-spacing:-.04em}
h2,h3{letter-spacing:-.025em}
.hero-description,.section-aside,.journey-step>p,.quiz-intro>p:not(.eyebrow),.tour-tab small,.parent-copy>p:not(.eyebrow),.parent-list p,.pricing-heading>p:last-child,.faq-heading>p:not(.eyebrow),.faq-items details>p,.final-inner>div>p:not(.eyebrow){font-weight:500;color:var(--muted)}
.quiz-intro>p:not(.eyebrow),.final-inner>div>p:not(.eyebrow){color:#E1EBE5}
.eyebrow,.plan-tag,.plan-ribbon,.quiz-meta,.stage-label{font-weight:800;letter-spacing:.08em}
.nav{font-weight:800;font-size:11px;letter-spacing:.035em;text-transform:uppercase}
.nav-actions{gap:18px}
.login{font-weight:800;font-size:11px;letter-spacing:.035em;text-transform:uppercase}
.btn{border:2px solid var(--edge);border-radius:14px;box-shadow:0 5px 0 var(--edge);font-weight:800;font-size:13px;letter-spacing:.025em;text-transform:uppercase;gap:19px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--edge)}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--edge)}
.btn-small{font-size:11px;border-radius:12px;gap:16px}
.btn-outline{border-color:#C4C0B8;box-shadow:0 5px 0 #C4C0B8}
.btn-outline:hover{box-shadow:0 7px 0 #C4C0B8}
.btn-outline:active{box-shadow:0 1px 0 #C4C0B8}
.text-link{font-weight:800}
.hero-ctas{gap:20px}
.hero-ctas .btn{font-size:12px;gap:15px;padding-inline:18px}
.hero-ctas .text-link{font-size:12px;gap:9px}
.play-icon{border-width:2px;width:32px;height:32px}
.micro-copy{font-weight:600;font-size:11px}
.mascot-stage{border-width:3px;box-shadow:0 7px 0 var(--deep)}
.speech-bubble{border-width:2px;border-radius:18px 18px 3px 18px;box-shadow:0 4px 0 var(--ink);font-weight:700;font-size:13px;padding:15px 17px;transform:none;left:-24px;max-width:275px}
.tip-button{border:2px solid var(--edge);box-shadow:0 4px 0 var(--edge);font-weight:800;text-transform:uppercase;letter-spacing:.025em}
.tip-button:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--edge)}
.tip-button:active{transform:translateY(3px);box-shadow:0 1px 0 var(--edge)}
.hero-sticker{border-width:2px;border-radius:16px;box-shadow:0 4px 0 #C4C0B8;font-weight:800;transform:none}
.hero-sticker small{font-weight:600;font-size:10px}
.mascot-caption{font-weight:800}
.mascot-caption>span:last-child{font-weight:600}
.proof-inner>div>strong{font-weight:700}
.proof-inner>p,.proof-inner>div>span{font-weight:600}
.step-num{font-weight:800;border-width:2px;background:var(--paper);color:var(--teal)}
.step-visual{border:2px solid #D5D1C8;border-radius:18px;box-shadow:0 4px 0 #D5D1C8}
.subject-visual>span{border-width:2px;font-weight:800;box-shadow:0 4px 0 var(--teal);border-radius:9px}
.subject-visual>span:nth-child(2){box-shadow:0 4px 0 var(--edge);border-color:var(--edge)}
.subject-visual>b,.lesson-visual span,.lesson-visual p,.paper-mini b,.paper-mini>span{font-weight:800}
.lesson-visual>div{border-width:2px;border-radius:12px;box-shadow:0 4px 0 #C4C0B8}
.paper-mini{border-width:2px}
.quiz-notebook{border-width:3px;border-radius:18px;box-shadow:0 7px 0 var(--deep)}
.quiz-tabs{gap:7px;padding-bottom:23px}
.quiz-tabs button{border:2px solid #D5D1C8;border-radius:10px;font-weight:800;box-shadow:0 3px 0 #D5D1C8;color:var(--muted);padding:8px 11px}
.quiz-tabs button[aria-selected=true]{border-color:var(--deep);box-shadow:0 3px 0 var(--deep)}
.quiz-tabs button:active{transform:translateY(2px);box-shadow:0 1px 0 #D5D1C8}
.quiz-option{border-width:2px;border-radius:12px;font-weight:700;box-shadow:0 3px 0 #D5D1C8;margin-bottom:3px;padding:12px 13px}
.quiz-option:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 4px 0 #C4C0B8}
.quiz-option:not(:disabled):active{transform:translateY(2px);box-shadow:0 1px 0 #D5D1C8}
.option-letter{border-width:2px;border-radius:7px;font-size:10px;font-weight:800;width:27px;height:27px}
.quiz-option.is-correct{box-shadow:0 3px 0 var(--teal)}
.quiz-option.is-wrong{box-shadow:0 3px 0 #A54330}
.quiz-feedback{font-weight:500;font-size:13px}
.quiz-feedback b{font-weight:800}
.quiz-next{border:2px solid var(--edge);box-shadow:0 3px 0 var(--edge);border-radius:10px;font-weight:800;padding:10px 14px}
.quiz-next:active{transform:translateY(2px);box-shadow:0 1px 0 var(--edge)}
.quiz-guide b{font-weight:800}
.quiz-guide span{font-weight:600}
.quiz-guide img{border-width:3px}
.tour-tab{border:2px solid transparent;border-radius:16px;padding:22px 18px}
.tour-tab[aria-selected=true]{border-color:#B9CEBC;box-shadow:0 4px 0 #B9CEBC}
.tour-tab b{font-weight:700}
.tour-number{font-weight:800}
.tour-display{border:3px solid #C4C0B8;border-radius:18px;box-shadow:0 6px 0 #C4C0B8}
.demo-topbar{font-weight:800}
.chat-header{font-weight:800}
.chat-header small{font-weight:700}
.chat-message{font-weight:600;border-width:2px;border-radius:14px;line-height:1.8}
.chat-message.student{border-color:var(--deep);box-shadow:0 3px 0 var(--deep)}
.chat-message.tutor{border-width:2px;border-radius:14px 14px 14px 0}
.chat-message strong{font-weight:800}
.practice-head{font-weight:800}
.practice-title{font-weight:700}
.demo-flashcard{border:2px solid #C4C0B8;border-radius:14px;box-shadow:0 5px 0 #C4C0B8;font-weight:600}
.demo-flashcard small{font-weight:800}
.flip-card{border:2px solid var(--edge);border-radius:10px;box-shadow:0 3px 0 var(--edge);font-weight:800;padding:10px 13px}
.flip-card:active{transform:translateY(2px);box-shadow:0 1px 0 var(--edge)}
.feedback-paper{border-width:2px;border-radius:12px}
.feedback-row{font-weight:700}
.feedback-row small{font-weight:500}
.feedback-note b{font-weight:800}
.subjects-row>span{font-weight:600}
.subjects-row>span b{font-weight:800}
.subjects-row>div>span{border-width:2px;border-radius:11px;font-weight:700;color:var(--muted)}
.parent-art-frame{border:2px solid #C4C0B8;box-shadow:0 5px 0 #C4C0B8}
.parent-art-note{font-weight:600;border-width:2px}
.parent-art-note strong{font-weight:700}
.parent-list b{font-weight:800}
.parent-list>li>span{border-width:2px;font-weight:800;width:25px;height:25px}
.price-card{border:2px solid #D5D1C8;border-radius:18px;box-shadow:0 5px 0 #D5D1C8}
.price-featured{border:3px solid var(--deep);box-shadow:0 6px 0 var(--deep)}
.plan-intro h3{font-weight:700}
.plan-intro p{font-weight:500}
.price{font-weight:700}
.price>span{font-weight:600}
.price-card .btn{font-weight:800;font-size:12px;border-radius:12px}
.price-card ul{font-weight:600}
.price-card strong{font-weight:800}
.plan-ribbon{border:2px solid var(--edge);border-radius:9px;top:-16px}
.faq-items details{border-bottom-width:2px}
.faq-items details:first-child{border-top-width:2px}
.faq-items summary{font-weight:800}
.faq-items summary>span{font-weight:700}
.final-speech{border-width:2px;box-shadow:0 4px 0 var(--deep);font-weight:700;transform:none}
.footer-main nav{font-weight:700}
.footer-main>div>p{font-weight:500}
.menu-btn{border-width:2px;box-shadow:0 3px 0 var(--line);border-radius:10px}
.menu-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--line)}
@media(max-width:1150px){.nav{gap:14px;font-size:10px}.login{font-size:10px}.nav-actions{gap:14px}.hero-ctas{flex-wrap:wrap}.hero-ctas .btn{font-size:11px;padding-inline:15px}.speech-bubble{font-size:12px;max-width:245px;left:-14px}.micro-copy{font-size:10px}}
@media(max-width:900px){.nav{font-size:13px;letter-spacing:.025em}.hero-ctas .btn{font-size:11px}.hero-ctas .text-link{font-size:11px}.speech-bubble{font-size:11px;max-width:220px;left:-6px;padding:13px 14px}.hero-sticker small{font-size:9px}.quiz-tabs button{font-size:10px;padding:8px 9px}.quiz-option{padding:11px 10px}.quiz-feedback{font-size:12px}.tour-tab{padding:17px 12px}}
@media(max-width:680px){.nav-actions{gap:10px}.btn-small{font-size:10px;gap:10px;padding-inline:10px}.hero-ctas{flex-wrap:wrap;gap:20px}.hero-ctas .btn{font-size:11px;gap:14px;padding:14px 15px}.hero-ctas .text-link{font-size:11px}.micro-copy{font-size:10px}.speech-bubble{font-size:11px;max-width:240px;left:0}.hero-sticker{border-radius:13px}.hero-sticker small{font-size:9px}.quiz-tabs button{font-size:11px;padding:8px 10px}.quiz-feedback{font-size:13px}.quiz-next{font-size:12px}.tour-tab{padding:18px 14px}.price-card .btn{font-size:12px}.subjects-row>div>span{font-size:10px}.faq-items summary{font-size:14px}.parent-art-note{font-size:21px}}
@media(max-width:360px){.btn-small{font-size:9px;gap:7px}.quiz-tabs{gap:4px}.quiz-tabs button{font-size:10px;padding:8px}.speech-bubble{font-size:10px;max-width:215px}.micro-copy{font-size:9px}.price-card .btn{font-size:11px}}