:root{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#18283e;background:#fff;font-synthesis:none;font-size:16px;--blue:#087bc2;--orange:#ed7b23;--muted:#57677b}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:3px solid var(--orange);outline-offset:5px}img{max-width:100%;object-fit:contain}p{line-height:1.75}html{scroll-behavior:smooth;scroll-padding-top:100px}.container{width:min(1120px,calc(100% - 64px));margin:auto}header{border-bottom:1px solid #e1e7ec;background:#fff}.navigation{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;gap:10px;align-items:center;font-weight:750;font-size:23px;letter-spacing:-.6px;color:#18283e}.brand span span{color:var(--blue)}.brand:hover{text-decoration:none}.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}.nav-links>a{color:#33445a}.nav-links>.nav-status{color:var(--blue)}.skip-link{position:absolute;top:-100px;left:20px;background:white;padding:16px;z-index:5}.skip-link:focus{top:10px}.hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:60px;padding-top:72px;padding-bottom:72px}.eyebrow{text-transform:uppercase;letter-spacing:1px;font-size:11px;font-weight:700;color:var(--blue);margin:0 0 20px;line-height:1.7}.hero h1{font-size:clamp(38px,4.3vw,54px);line-height:1.12;letter-spacing:-1.8px;margin:0;font-weight:750}em{color:var(--blue);font-style:normal}.lead{font-size:17px;color:var(--muted);max-width:620px;margin:24px 0}.availability{border-left:2px solid var(--orange);padding-left:16px;margin:28px 0}.status{font-weight:650;color:#a54805;font-size:12px}.availability p{margin:7px 0 3px;font-size:15px}.availability small{color:var(--muted);font-size:13px}.button{display:inline-flex;align-items:center;gap:20px;border-radius:5px;background:var(--blue);color:white;padding:15px 20px;font-size:14px;font-weight:650;min-height:48px}.button:hover{background:#056aa7;text-decoration:none}.hero-art{display:flex;align-items:center;gap:20px}.hero-art img{width:calc(50% - 10px);height:auto}.experience{border-block:1px solid #e1e7ec;padding:64px 0}.section-heading{max-width:550px;margin-bottom:36px}.section-heading .eyebrow{margin-bottom:14px}h2{font-size:34px;letter-spacing:-.8px;line-height:1.2;margin:0;font-weight:700}.section-heading>p:last-child,.closing p{color:var(--muted);font-size:16px}.feature-grid{display:flex;flex-direction:column}.feature{border-top:1px solid #e1e7ec;padding:26px 0 26px 88px;position:relative;min-height:128px}.feature img{position:absolute;inset-inline-start:0;top:27px;width:58px;height:58px}.feature>span{font-weight:600;font-size:12px;color:var(--blue)}h3{font-size:22px;letter-spacing:-.3px;margin:10px 0;font-weight:650}.feature p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:720px}.closing{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;padding-top:64px;padding-bottom:64px}.launch-note{border-left:1px solid #e1e7ec;padding-left:36px}.launch-note img{width:45px;height:45px}.launch-note h3{margin-top:20px}.launch-note a{font-size:14px;font-weight:600}.launch-note p{margin-bottom:20px}footer{border-top:1px solid #e1e7ec;padding:30px 0}.footer{display:grid;grid-template-columns:1fr 1.3fr;gap:16px 30px}.footer>.brand{font-size:20px}.footer>p{margin:4px 0;font-size:13px;text-align:right;color:var(--muted)}.footer nav{display:flex;gap:12px 22px;flex-wrap:wrap;font-size:12px}.footer small{font-size:11px;text-align:right;color:var(--muted)}.document{max-width:880px;padding-top:45px;padding-bottom:72px}.back-link{display:inline-block;font-size:14px;margin-bottom:35px}.document h1{font-size:clamp(32px,4.5vw,45px);letter-spacing:-1px;line-height:1.2;margin:0;font-weight:700}.document .updated{font-size:12px;color:var(--muted);margin:16px 0}.document-sections{margin:35px 0}.document-sections section{padding:25px 0;border-top:1px solid #e1e7ec}.document-sections h2{font-size:21px;letter-spacing:-.2px;line-height:1.4}.document-sections p{color:var(--muted);font-size:15px;margin-bottom:0;overflow-wrap:anywhere}
@media(max-width:850px){.container{width:min(680px,calc(100% - 40px))}.hero{grid-template-columns:1fr;padding-top:40px;gap:35px;padding-bottom:45px}.hero h1{font-size:46px}.hero-art{max-width:320px;width:100%;margin:auto}.closing{grid-template-columns:1fr;gap:25px;padding:45px 0}.launch-note{border-left:0;border-top:1px solid #e1e7ec;padding:25px 0 0}.experience{padding:45px 0}.footer{grid-template-columns:1fr}.footer>p,.footer small{text-align:left}.navigation{min-height:72px}.nav-links{gap:16px}.nav-status{display:none}}
@media(max-width:420px){.container{width:calc(100% - 32px)}.brand{font-size:20px}.brand img{width:30px;height:30px}.nav-links{gap:12px;font-size:12px}.hero h1{font-size:39px;letter-spacing:-1px}.lead{font-size:16px}.eyebrow{font-size:10px;letter-spacing:.7px}h2{font-size:29px}.button{font-size:12px;padding:15px 18px}.availability p{font-size:14px}.feature{padding-inline-start:72px}.feature img{width:48px;height:48px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

[hidden]{display:none!important}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.secondary-link{font-size:14px;font-weight:650;min-height:44px;display:inline-flex;align-items:center}.android-download{margin:8px 0}.availability small{display:block;line-height:1.65}.availability .preview-note{font-size:12px;color:var(--muted);max-width:450px;margin-top:12px}.nav-links a{min-height:44px;display:inline-flex;align-items:center}

@media(max-width:420px){.nav-links>a:first-child{display:none}}

/* Public, locally evaluated learning preview — clean skill practice, not a signup gate. */
.practice-preview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:clamp(28px,4vw,64px);align-items:center;padding-top:62px;padding-bottom:72px;border-top:1px solid #e1e7ec}
.practice-intro h2{font-size:clamp(31px,3.5vw,41px);line-height:1.15;max-width:480px}
.practice-intro>p:not(.eyebrow){color:var(--muted);font-size:16px;line-height:1.75;max-width:55ch}
.practice-intro .practice-disclosure{font-size:12px;color:#5b6570;margin:18px 0 22px}
.practice-panel{border:1px solid #d1dce8;border-radius:12px;padding:clamp(18px,3vw,32px);background:#f8fafc;box-shadow:0 9px 25px rgba(15,41,73,.05)}
.practice-label{font-size:12px;font-weight:700;color:#253a56;margin:0 0 9px}
.practice-tracks{display:flex;flex-wrap:wrap;gap:8px}
.practice-tracks button{cursor:pointer;padding:10px 12px;min-height:44px;border:1px solid #a1b4c9;border-radius:6px;background:white;color:#253a56;font-family:inherit;font-weight:600;font-size:12px;line-height:1.3}
.practice-tracks button[aria-pressed="true"]{border-color:#087bc2;background:#087bc2;color:white}
.practice-progress{margin:26px 0 12px;font-size:12px;font-weight:650;color:#47617b}
.practice-question{margin:0 0 20px;font-size:clamp(20px,2.2vw,25px);font-weight:650;line-height:1.4;color:#18283e}
.practice-choices{display:grid;gap:9px}
.practice-choices>p{color:var(--muted);font-size:14px}
.practice-choice{width:100%;text-align:left;min-height:49px;border:1px solid #b6c6d7;border-radius:7px;padding:12px 15px;background:white;color:#253a56;font:600 15px/1.45 ui-sans-serif,system-ui,sans-serif;cursor:pointer}
.practice-choice:hover:not(:disabled){border-color:#087bc2;background:#e9f6ff}
.practice-choice[data-correct="true"]{border-color:#257249;background:#eaf6ee;color:#17472a}
.practice-choice[data-selected="true"][data-correct="false"]{border-color:#af6b27;background:#fff3e7;color:#66340b}
.practice-choice:disabled{cursor:default}
.practice-feedback{min-height:44px;margin:16px 0;color:#526276;font-size:14px;line-height:1.6}
.practice-feedback[data-result="correct"]{color:#17603b}
.practice-feedback[data-result="retry"]{color:#70451c}
.practice-next{min-height:44px;border:1px solid #087bc2;border-radius:6px;padding:11px 18px;background:white;color:#07669e;font:650 14px/1.3 ui-sans-serif,system-ui,sans-serif;cursor:pointer}
.practice-panel button:focus-visible{outline:3px solid #c26a12;outline-offset:3px}
@media(max-width:900px){.practice-preview{grid-template-columns:1fr;gap:22px;padding-top:43px;padding-bottom:50px}}
@media(max-width:420px){.practice-panel{padding:16px}.practice-preview{gap:16px}}


/* Education SaaS preview — editorial white/pale-blue, no purchased or live data. */
.edu-site{background:#fff;color:#152a41}.edu-site *{min-width:0}.edu-site .eyebrow{color:#006dab}
.edu-hero{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(28px,5vw,76px);align-items:center;padding-top:clamp(54px,7vw,104px);padding-bottom:clamp(54px,6vw,85px)}
.edu-hero h1{font-size:clamp(35px,4.4vw,58px);letter-spacing:-2.1px;line-height:1.12;margin:0;max-width:14ch;font-weight:780}
.edu-hero .edu-lead{max-width:59ch;font-size:17px;line-height:1.8;color:#526679;margin:24px 0}
.edu-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:17px}
.edu-text-link{font-size:14px;font-weight:700;min-height:44px;display:inline-flex;align-items:center}
.edu-disclosure{font-size:12px;line-height:1.7;color:#64758a;margin:18px 0 0;max-width:50ch}
.edu-hero-visual{position:relative;min-height:438px;background:#edf6f9;border:1px solid #dae8ed;border-radius:20px;padding:35px 36px;display:flex;align-items:center;justify-content:center}
.edu-campus-paper{width:min(295px,100%);background:#fff;border:1px solid #dfe7ef;border-radius:19px;box-shadow:0 13px 44px rgba(27,64,89,.09);padding:22px 20px 28px}
.edu-paper-header{display:flex;gap:8px;align-items:center;font-size:12px}.edu-logo-dot,.edu-browser-mark{width:31px;height:31px;display:inline-grid;place-items:center;background:#087bc2;color:#fff;border-radius:9px;font-size:16px;font-weight:800}
.edu-paper-tag{margin-inline-start:auto;color:#506579;font-size:10px;white-space:nowrap}.edu-paper-eyebrow{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:#65798b;margin:33px 0 7px}
.edu-campus-paper h2{font-size:16px;letter-spacing:-.2px;margin-bottom:18px}.edu-paper-lesson{font-size:25px;font-weight:750;margin:0 0 4px!important;color:#142e46}
.edu-paper-subtitle{font-size:12px;line-height:1.6;color:#667b8f;margin:0 0 20px!important}
.edu-paper-action{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;background:#087bc2;color:#fff;border-radius:8px;font-size:12px;font-weight:750;width:100%;margin-bottom:28px}
.edu-paper-level{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:700;color:#556f87}.edu-paper-bar{height:6px;background:#edf2f8;border-radius:9px;margin-top:9px}.edu-paper-bar span{display:block;background:#1087ba;border-radius:9px;width:38%;height:100%}
.edu-floating-report{position:absolute;right:12px;bottom:20px;width:170px;background:#fff;border-radius:10px;border:1px solid #dfe7ee;padding:14px;box-shadow:0 9px 30px rgba(22,52,83,.09)}
.edu-report-kicker{display:block;color:#65798b;font-size:10px;font-weight:700;line-height:1.4;margin-bottom:6px}.edu-floating-report>strong{display:block;font-size:22px;margin-bottom:9px}.edu-report-row{display:flex;justify-content:space-between;gap:5px;border-top:1px solid #ecf0f4;padding:6px 0;font-size:10px;color:#51677d}.edu-report-row b{color:#0b719e}
.edu-summary-band{border-block:1px solid #e1e9ee;background:#f9fbfc}.edu-summary-inner{display:flex;align-items:center;justify-content:space-between;gap:12px 18px;flex-wrap:wrap;min-height:80px;color:#41556c;font-size:12px;font-weight:700}
.edu-summary-inner span:before{content:"✓";margin-inline-end:8px;color:#0578ab}
.edu-workspace{padding-top:95px;padding-bottom:105px;scroll-margin-top:20px}
.edu-section-lead{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.edu-section-lead h2{font-size:clamp(29px,3.3vw,43px);letter-spacing:-1.2px;max-width:680px}
.edu-section-lead p:not(.eyebrow){font-size:15px;line-height:1.75;color:#5a6b7f;max-width:74ch;margin:13px 0 0}
.edu-demo-label{display:inline-flex;white-space:nowrap;border:1px solid #bbd8e3;background:#eff8fa;border-radius:5px;padding:8px 11px;font-size:10px;letter-spacing:.9px;font-weight:800;color:#176787}
.edu-switch{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 15px}
.edu-switch button{border:1px solid #ccdbe6;background:#f9fbfc;color:#43596b;cursor:pointer;font:700 13px/1.5 ui-sans-serif,system-ui,sans-serif;border-radius:8px;min-height:45px;padding:11px 17px}
.edu-switch button[aria-selected=true]{background:#0a73a7;border-color:#0a73a7;color:#fff}
.edu-switch button:focus-visible,.edu-quote select:focus-visible,.edu-quote input:focus-visible{outline:3px solid #e4a25e;outline-offset:2px}
.edu-browser-shell{border:1px solid #d4e0e9;box-shadow:0 14px 40px rgba(21,56,84,.055);border-radius:14px;overflow:hidden;background:#f6f9fb}
.edu-browser-top{min-height:69px;background:#fff;border-bottom:1px solid #e1e9ef;display:flex;align-items:center;gap:12px;padding:13px 28px}
.edu-browser-top .edu-browser-mark{width:33px;height:33px}.edu-browser-name{font-size:13px;font-weight:800}.edu-browser-divider{height:22px;width:1px;background:#d9e4ea}.edu-browser-subtitle{font-size:12px;color:#64788a}.edu-browser-avatar{margin-left:auto;background:#f0f6fa;color:#24516d;display:grid;place-items:center;width:33px;height:33px;border-radius:50%;font-size:10px;font-weight:750}
.edu-browser-shell [role=tabpanel]{padding:32px}
.edu-panel-heading{display:flex;align-items:start;justify-content:space-between;gap:18px;margin-bottom:24px}
.edu-page-kicker{font-size:11px!important;text-transform:uppercase;letter-spacing:.6px;color:#3d7394;margin:0 0 5px!important;font-weight:800}
.edu-panel-heading h3{font-size:25px;margin:0;letter-spacing:-.8px}
.edu-panel-heading p{font-size:13px;color:#6c7989;margin:7px 0 0}
.edu-period{background:#eaf2f7;border:1px solid #d3e1eb;border-radius:6px;padding:9px 11px;color:#4b6680;font-size:11px;white-space:nowrap;font-weight:600}
.edu-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.edu-metric-grid article{background:#fff;border:1px solid #e0e7ee;border-radius:10px;padding:18px}
.edu-metric-grid article>span{display:block;font-size:11px;font-weight:650;color:#5f7084}.edu-metric-grid strong{display:block;font-size:30px;letter-spacing:-1px;margin:7px 0;color:#193950}.edu-metric-grid strong em{font-size:13px;letter-spacing:0;font-style:normal}
.edu-metric-grid small{font-size:10px;line-height:1.5;display:block;color:#687c8c}
.edu-two-col{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:15px}
.edu-white-surface{background:#fff;border:1px solid #e1e8ee;border-radius:10px;padding:23px;min-width:0}
.edu-surface-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.edu-surface-title h4{font-size:14px;margin:0;color:#16364d}.edu-surface-title span{font-size:11px;color:#8593a1}
.edu-table-wrap{overflow-x:auto;max-width:100%}.edu-data-table{border-collapse:collapse;min-width:455px;width:100%;text-align:left}
.edu-data-table th,.edu-data-table td{padding:13px 10px 13px 0;border-bottom:1px solid #edf1f4;font-size:12px;white-space:nowrap;color:#30475c}.edu-data-table thead th{font-size:10px;color:#8b9aa7;text-transform:uppercase;letter-spacing:.5px;font-weight:700}.edu-data-table tbody th{font-weight:700}
.edu-mini-bar{width:57px;height:6px;background:#edf1f5;display:inline-block;border-radius:10px;margin-inline-end:6px;vertical-align:middle}.edu-mini-bar i{display:block;background:#2387b8;border-radius:10px;height:100%}.edu-focus{font-size:10px;padding:5px 6px;border-radius:4px}.edu-focus.good{background:#e6f5ed;color:#256848}
.edu-skill{display:grid;grid-template-columns:1fr auto;gap:7px 10px;margin:17px 0;font-size:12px;color:#435a70;font-weight:650}.edu-skill div{grid-column:1/-1;background:#eef3f6;border-radius:9px;height:7px}.edu-skill div i{display:block;height:100%;background:#2888b2;border-radius:9px}
.edu-hint{font-size:12px;line-height:1.65!important;color:#6a7481;background:#f3f8fa;border:1px solid #e3edf0;border-radius:8px;padding:12px;margin:18px 0 0!important}
.edu-week-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.edu-week-grid>div{border:1px solid #dfebf1;background:#f5f9fc;border-radius:8px;padding:13px 10px;min-height:115px}
.edu-week-grid b,.edu-week-grid span,.edu-week-grid small{display:block}.edu-week-grid b{color:#4c7288;font-size:11px;margin-bottom:15px}.edu-week-grid span{font-size:11px;font-weight:750;color:#203f58}.edu-week-grid small{font-size:10px;margin-top:4px;line-height:1.5;color:#67859a}
.edu-timetable-note{font-size:11px;color:#758899;margin-top:19px;line-height:1.6}
.edu-task{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid #e8eef2;padding:13px 0}.edu-task:last-child{border-bottom:0}.edu-task b,.edu-task small{display:block}.edu-task b{font-size:12px;line-height:1.45}.edu-task small{font-size:11px;color:#6f8291;margin-top:4px}.edu-task>span,.edu-task>strong{font-size:11px;white-space:nowrap;font-weight:750;color:#176b93}
.edu-seat-visual{display:flex;gap:30px;margin:15px 0}.edu-seat-visual div{display:flex;flex-direction:column;gap:5px}.edu-seat-visual small{font-size:11px;color:#698095}.edu-seat-visual strong{font-size:28px}.edu-seat-track{height:9px;background:#e8f1f5;border-radius:9px;overflow:hidden}.edu-seat-track span{height:100%;display:block;background:#2a90b7;border-radius:9px}
.edu-demo-footnote{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:14px;color:#647588;font-size:12px}.edu-demo-footnote a{font-weight:700}
.edu-pricing{background:#f4f8fa;border-top:1px solid #deeaee;padding:90px 0 105px;scroll-margin-top:25px}
.edu-price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}
.edu-price-card{padding:25px 22px;background:#fff;border:1px solid #dfe8ef;border-radius:12px;display:flex;flex-direction:column}
.edu-price-card>span:first-child{font-size:11px;color:#4e829e;font-weight:800;text-transform:uppercase;letter-spacing:.6px}
.edu-price-card h3{font-size:23px;letter-spacing:-.7px;margin:14px 0 13px}.edu-price-card>strong{font-size:27px;letter-spacing:-.8px;white-space:nowrap}.edu-price-card>strong small{font-size:12px;color:#697c8c;letter-spacing:0;font-weight:500}
.edu-price-card p{font-size:12px;color:#61798b;margin:4px 0 17px}.edu-price-card ul{padding-left:17px;margin:3px 0 28px;display:grid;gap:11px}
.edu-price-card li{font-size:12px;line-height:1.55;color:#4c6174}.edu-price-state{display:block;color:#536c80;font-size:11px;font-weight:700;padding:12px;border-radius:7px;background:#eff5f8;margin-top:auto}
.edu-quote{margin-top:20px;background:#fff;border:1px solid #dce8ed;border-radius:13px;padding:31px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:35px;align-items:center}
.edu-quote h3{font-size:26px;letter-spacing:-.7px;margin:0 0 15px}.edu-quote p{font-size:13px;color:#60798d;margin:0 0 13px;max-width:51ch;line-height:1.7}
.edu-quote .edu-quote-note{font-size:11px;margin-top:25px;color:#7e8a96}
.edu-form-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:13px}
.edu-quote label{font-weight:700;color:#34536b;font-size:12px;display:block}
.edu-quote select,.edu-quote input{margin-top:9px;width:100%;display:block;border:1px solid #b8cad6;border-radius:8px;background:#fff;min-height:46px;padding:11px 13px;color:#1f3c54;font-size:13px;font-family:inherit}
.edu-interval-label{margin-top:14px}
.edu-quote-result{border-radius:10px;background:#edf6f9;border:1px solid #d2e9f0;margin-top:18px;padding:20px}
.edu-quote-result small{display:block;color:#486b80;font-size:12px;line-height:1.5}.edu-quote-result strong{display:block;font-size:35px;letter-spacing:-1px;margin:5px 0}.edu-quote-result p{margin:0!important;font-size:11px!important}
.edu-help-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #d6e3eb;margin-top:42px;padding-top:37px}
.edu-help-cta h3{font-size:23px;margin:0}.edu-help-cta p{font-size:13px;line-height:1.7;color:#658196;margin:10px 0 0;max-width:64ch}
@media(max-width:1080px){.edu-hero{gap:25px}.edu-floating-report{right:5px}.edu-price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.edu-two-col{grid-template-columns:1fr}.edu-week-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:820px){.edu-hero{grid-template-columns:1fr}.edu-hero h1{max-width:18ch}.edu-hero-visual{min-height:390px}.edu-summary-inner{padding-block:18px}.edu-workspace,.edu-pricing{padding-top:60px;padding-bottom:70px}.edu-section-lead{align-items:flex-start;flex-direction:column;gap:12px}.edu-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.edu-quote{grid-template-columns:1fr}.edu-help-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:540px){.edu-hero-visual{min-height:365px;padding:15px 25px}.edu-floating-report{bottom:8px;right:0;transform:scale(.82);transform-origin:bottom right}.edu-hero h1{font-size:36px;letter-spacing:-1.1px}.edu-switch{display:grid;grid-template-columns:1fr}.edu-switch button{text-align:left}.edu-browser-top{padding:12px 15px}.edu-browser-shell [role=tabpanel]{padding:18px 14px}.edu-panel-heading{flex-direction:column;gap:10px}.edu-panel-heading h3{font-size:21px}.edu-metric-grid article{padding:14px}.edu-metric-grid strong{font-size:25px}.edu-white-surface{padding:15px}.edu-price-grid{grid-template-columns:1fr}.edu-form-grid{grid-template-columns:1fr}.edu-week-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.edu-quote{padding:18px}.edu-summary-inner span{width:100%}}
@media(prefers-reduced-motion:reduce){.edu-site *{scroll-behavior:auto}}

/* ---- Landing page: white, crisp and game-like (see AGENTS.md design rules) ---- */
:root{--bg:#fff;--ink:#14233a;--muted:#5b6b7f;--surface:#f6f8fa;--line:#e5eaf0;--line-strong:#cdd7e2;--link:#087bc2;--blue:#087bc2;--blue-press:#06629b;--orange:#ed7b23;--green:#2b8a3e;--green-bg:#ebf7ee;--amber:#b45309;--amber-bg:#fff4e6;--gold:#e8a200;--sel:#e7f3fb;--focus:#b45309;color-scheme:light dark}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
button{font:inherit;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.i{fill:currentColor;flex:none}
@media(max-width:760px){.desktop-only{display:none!important}}
@media(min-width:761px){.phone-only{display:none!important}}

/* Header */
.site-header{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
.navigation{min-height:68px;gap:16px}
.brand{font-size:21px;flex:none}.brand img{width:34px;height:34px}
.nav-links{gap:4px}
.nav-links a{min-height:44px;padding:0 12px;border-radius:10px;display:inline-flex;align-items:center;white-space:nowrap}
.nav-links>a:hover{background:var(--surface);text-decoration:none}
.nav-links>.nav-cta{background:var(--blue);color:#fff;font-weight:700;margin-inline-start:8px;box-shadow:0 3px 0 var(--blue-press)}
.nav-links>.nav-cta:hover{background:var(--blue)}
html{scroll-padding-top:84px}
@media(max-width:1100px){.nav-links>.nav-wide{display:none}}
@media(max-width:900px){.nav-links>.nav-secondary{display:none}}

/* Buttons: solid and pressable, no glow */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:12px;border:2px solid transparent;font:700 15px/1.2 ui-sans-serif,system-ui,sans-serif;cursor:pointer;text-decoration:none;transition:transform .08s ease,box-shadow .08s ease}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--blue-press)}
.btn-secondary{background:var(--bg);color:var(--link);border-color:var(--line-strong);box-shadow:0 4px 0 var(--line-strong)}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--blue-press)}
.btn-secondary:active{box-shadow:0 1px 0 var(--line-strong)}
.btn-lg{min-height:54px;padding:0 26px;font-size:16px}
.btn-block{width:100%}

/* Hero: copy and actions beside the quest on desktop; quest first on phones */
.home{background:var(--bg)}
.home .hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:1fr auto auto 1fr;grid-template-areas:". quest" "copy quest" "actions quest" ". quest";column-gap:64px;row-gap:0;padding-top:56px;padding-bottom:72px}
.hero-copy{grid-area:copy}
.home .quest{grid-area:quest}
.hero-actions-wrap{grid-area:actions}
.home .hero h1{font-size:clamp(40px,5vw,62px);letter-spacing:-2px;line-height:1.04;margin:0}
.home .lead{font-size:18px;line-height:1.65;color:var(--muted);margin:22px 0 28px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin:22px 0 0;padding:0;font-size:14px;color:var(--muted)}
.hero-facts li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-inline-end:8px;vertical-align:middle}

/* Quest game */
.quest{border:2px solid var(--line);border-radius:22px;background:var(--bg);padding:20px;box-shadow:0 6px 0 var(--line)}
.quest-top{display:flex;align-items:center;gap:12px}
.quest-top img{width:44px;height:44px;border-radius:12px;flex:none}
.quest-heading{flex:1;min-width:0}
.quest-kicker{margin:0;font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--orange);line-height:1.4}
.quest-heading h2{font-size:19px;letter-spacing:-.2px;line-height:1.3}
.quest-xp{display:flex;align-items:center;gap:4px;margin:0;font-weight:800;font-size:15px;color:var(--ink)}
.quest-xp .i{color:var(--gold)}
.quest-level{display:flex;align-items:center;gap:10px;margin:16px 0 14px}
.quest-badge{flex:none;font-size:12px;font-weight:800;color:var(--blue);background:var(--sel);border-radius:8px;padding:4px 8px}
.quest-bar{flex:1;height:12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);overflow:hidden}
.quest-bar span{display:block;height:100%;width:0;background:var(--gold);border-radius:999px;transition:width .5s cubic-bezier(.2,.9,.3,1.2)}
.is-levelled .quest-bar span{background:var(--green)}
.quest-goal{flex:none;font-size:12px;font-weight:700;color:var(--muted)}
.quest-tracks{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.quest-tracks::-webkit-scrollbar{display:none}
.quest-tracks button{flex:none;min-height:40px;padding:0 12px;border-radius:10px;border:2px solid var(--line);background:var(--bg);font-size:13px;font-weight:700;color:var(--muted);cursor:pointer}
.quest-tracks button[aria-pressed=true]{border-color:var(--blue);color:var(--blue);background:var(--sel)}
.quest-body{margin-top:16px;min-height:330px;display:flex;flex-direction:column}
.quest-steps{list-style:none;display:flex;gap:6px;margin:0 0 12px;padding:0}
.quest-steps li{flex:1;height:6px;border-radius:999px;background:var(--line)}
.quest-steps li.is-done{background:var(--green)}.quest-steps li.is-current{background:var(--blue)}
.quest-count{margin:0;font-size:13px;font-weight:700;color:var(--muted)}
.quest-prompt{font-size:21px;line-height:1.35;margin:4px 0 14px;letter-spacing:-.2px;outline:none}
.quest-choices{display:grid;gap:10px}
.quest-choices>p{color:var(--muted);font-size:15px;margin:0}
.quest-choice{position:relative;text-align:start;min-height:52px;padding:12px 16px;border-radius:14px;border:2px solid var(--line-strong);background:var(--bg);font-size:16px;font-weight:650;cursor:pointer;box-shadow:0 4px 0 var(--line-strong);transition:transform .08s ease,box-shadow .08s ease,border-color .15s,background .15s}
.quest-choice:hover:not(:disabled){border-color:var(--blue);background:var(--sel)}
.quest-choice:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--line-strong)}
.quest-choice:disabled{cursor:default}
.quest-choice.is-correct{border-color:var(--green);background:var(--green-bg);color:var(--green);box-shadow:0 4px 0 var(--green);animation:pop .35s ease}
.quest-choice.is-wrong{border-color:var(--amber);background:var(--amber-bg);color:var(--amber);box-shadow:0 4px 0 var(--amber);animation:shake .3s ease}
.xp-float{position:absolute;inset-inline-end:14px;top:50%;font-size:14px;font-weight:800;color:var(--gold);pointer-events:none;animation:xpfloat .9s ease forwards}
@keyframes xpfloat{0%{opacity:0;transform:translateY(-30%)}20%{opacity:1}100%{opacity:0;transform:translateY(-160%)}}
@keyframes pop{50%{transform:scale(1.03)}}
@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.quest-feedback{margin-top:auto;padding-top:14px}
.quest-feedback:empty{display:none}
.quest-feedback.is-correct,.quest-feedback.is-wrong{margin-top:16px;padding:14px;border-radius:14px}
.quest-feedback.is-correct{background:var(--green-bg)}.quest-feedback.is-wrong{background:var(--amber-bg)}
.quest-feedback p{margin:0 0 10px;font-size:14px;line-height:1.55}
.quest-verdict{font-weight:800;font-size:16px!important}
.is-correct .quest-verdict{color:var(--green)}.is-wrong .quest-verdict{color:var(--amber)}
.quest-result{text-align:center;display:grid;gap:10px;justify-items:center}
.quest-result>p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.quest-result .quest-summary{font-weight:800;color:var(--ink)}
.quest-stars{display:flex;gap:8px;margin:4px 0 0!important}
.star svg{fill:var(--line-strong)}
.star.is-on svg{fill:var(--gold);animation:starpop .45s cubic-bezier(.2,.9,.3,1.4) both;animation-delay:calc(var(--i) * .12s)}
@keyframes starpop{0%{transform:scale(0)}100%{transform:scale(1)}}
.quest-link{font-size:14px;font-weight:700;min-height:44px;display:inline-flex;align-items:center}

/* Section rhythm */
.eyebrow{margin-bottom:12px;color:var(--blue)}
.section-title{font-size:clamp(26px,3vw,34px);margin-bottom:24px}
.section-heading{max-width:640px;margin-bottom:32px}.section-heading h2{font-size:clamp(28px,3.2vw,38px);letter-spacing:-1px}
.section-heading>p:last-child{margin:12px 0 0;line-height:1.65;color:var(--muted)}
.section-heading.center{text-align:center;margin-inline:auto}
.path-section,.languages,.faq,.try,.pricing{padding:80px 0;border-top:1px solid var(--line)}

/* Level path: horizontal on desktop */
.path{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;position:relative}
.path::before{content:"";position:absolute;top:38px;inset-inline:8%;height:4px;border-radius:4px;background:var(--line)}
.path-step{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.path-node{position:relative;width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:3px solid var(--line-strong);box-shadow:0 5px 0 var(--line-strong)}
.path-node img{width:44px;height:44px}
.is-done .path-node{border-color:var(--green);box-shadow:0 5px 0 var(--green)}
.is-current .path-node{border-color:var(--blue);box-shadow:0 5px 0 var(--blue-press);animation:bob 2.4s ease-in-out infinite}
.is-next .path-node img{filter:grayscale(1);opacity:.55}
.path-goal .path-node{color:var(--gold);border-color:var(--gold);box-shadow:0 5px 0 #c08600}
@keyframes bob{50%{transform:translateY(-4px)}}
.path-check{position:absolute;inset-inline-end:-4px;bottom:-2px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;border:2px solid var(--bg)}
.path-text{display:grid;gap:4px}
.path-text strong{font-size:16px}
.path-text>span:last-child{font-size:14px;line-height:1.5;color:var(--muted)}
.path-state{font-size:11px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.is-done .path-state{color:var(--green)}.is-current .path-state{color:var(--blue)}.path-goal .path-state{color:#9a6b00}
.rewards{list-style:none;margin:56px 0 0;padding:28px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.rewards li{display:flex;gap:14px;align-items:flex-start}
.rewards strong{display:block;font-size:16px;margin-bottom:4px}
.rewards span{font-size:14px;line-height:1.55;color:var(--muted)}
.rewards .i-flame{color:var(--orange)}.rewards .i-bolt{color:var(--gold)}.rewards .i-trophy{color:var(--blue)}

/* Desktop previews */
.demo{background:var(--bg);border:2px solid var(--line);border-radius:20px;overflow:hidden}
.tablist{display:flex;overflow-x:auto;border-bottom:1px solid var(--line);scrollbar-width:none;padding:0 8px}
.tablist::-webkit-scrollbar{display:none}
.tab{flex:1 0 auto;min-height:54px;padding:0 16px;border:0;border-bottom:3px solid transparent;background:none;font-weight:700;font-size:15px;cursor:pointer;color:var(--muted);white-space:nowrap}
.tab:hover{color:var(--ink)}.tab[aria-selected=true]{color:var(--link);border-bottom-color:var(--blue)}
.demo-panel{padding:28px}.demo-panel>*{max-width:760px}.demo-panel h3{font-size:22px;margin:0}.panel-intro{color:var(--muted);font-size:15px;margin:4px 0 20px}
.demo.enhanced .demo-panel h3{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.enter{animation:fade .25s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.static-list{padding-left:20px;color:var(--muted);font-size:15px;line-height:1.7}
.demo-panel h4{margin:16px 0 4px;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{min-height:44px;padding:0 16px;border:2px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;font-size:15px;font-weight:650}
.chip:hover{border-color:var(--blue)}.chip[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}
.phrases{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.phrase{width:100%;min-height:64px;text-align:start;border:2px solid var(--line);border-radius:14px;background:var(--bg);padding:10px 40px 10px 14px;cursor:pointer;position:relative;display:flex;flex-direction:column;gap:2px}
.phrase:hover{border-color:var(--blue);background:var(--sel)}
.phrase .icon{position:absolute;inset-inline-end:12px;top:12px;color:var(--link)}
.is-speaking{border-color:var(--blue)!important;background:var(--sel)!important}
.native{font-size:20px;font-weight:650;line-height:1.35;word-break:keep-all}.roman,.english{font-size:13px;color:var(--muted);line-height:1.4}
.note{min-height:1.4em;margin:10px 0 0;font-size:14px;color:var(--amber);line-height:1.5}
.meta,.hint{color:var(--muted);font-size:14px;margin:0 0 12px}
.story{font-size:22px;line-height:2;margin:0 0 12px}
.word{border:0;border-bottom:1px dashed color-mix(in srgb,var(--blue) 45%,transparent);background:none;padding:2px 1px;margin:0;min-height:36px;font:inherit;cursor:pointer;border-radius:3px}
.word:hover,.word.is-selected{background:var(--sel);border-bottom-color:var(--blue)}.word.is-selected{border-bottom-style:solid}
.word-panel{border-inline-start:3px solid var(--orange);background:var(--surface);padding:12px 16px;border-radius:0 10px 10px 0;margin-bottom:12px;min-height:76px}
.word-panel .hint{margin:0}.word-line{margin:0 0 6px;font-size:16px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px}
.text-button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:2px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;font-size:14px;font-weight:700;color:var(--link)}
.text-button:hover{border-color:var(--blue)}
.translation{font-size:14px;color:var(--muted)}.translation summary{min-height:44px;display:inline-flex;align-items:center;cursor:pointer;color:var(--link);font-weight:700}.translation p{margin:0}
.demo .button{cursor:pointer;border:0;font-family:inherit}.button.secondary{background:transparent;color:var(--link);border:1px solid var(--blue)}
.chat-log{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.bubble{max-width:85%;padding:10px 14px;border-radius:16px;line-height:1.5;display:flex;flex-direction:column;gap:2px;animation:fade .25s ease both}
.bubble small{color:var(--muted);font-size:13px}
.bubble.tutor{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble.you{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.typing{flex-direction:row;gap:5px;align-items:center;min-height:42px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:dot 1s infinite ease-in-out}.typing i:nth-of-type(2){animation-delay:.15s}.typing i:nth-of-type(3){animation-delay:.3s}
@keyframes dot{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-4px)}}
.chat-actions .chips{margin-bottom:0}

/* Phone sample lesson */
.sample-lesson{padding:8px 0 40px}
.sample-card{display:flex;align-items:center;gap:14px;padding:16px;border:2px solid var(--line);border-radius:18px;box-shadow:0 4px 0 var(--line);color:var(--ink);text-decoration:none}
.sample-card:hover{text-decoration:none;border-color:var(--blue)}
.sample-card img{width:56px;height:56px;border-radius:14px;flex:none}
.sample-card span{flex:1;display:grid;gap:2px;font-size:14px;color:var(--muted);line-height:1.45}
.sample-card strong{font-size:16px;color:var(--ink)}
.sample-card>span:last-child{flex:none;color:var(--blue);font-size:22px}

/* Languages */
.lang-strip{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.lang-strip li{padding:8px 14px;border:2px solid var(--line);border-radius:12px;font-size:16px;font-weight:600;background:var(--bg)}

/* Pricing */
.pricing-controls{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:28px}
.segmented{display:inline-flex;gap:4px;padding:4px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}
.segmented button{min-height:44px;padding:0 18px;border:0;border-radius:10px;background:none;font-weight:700;font-size:15px;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.segmented button[aria-pressed=true]{background:var(--bg);color:var(--ink);box-shadow:0 2px 0 var(--line-strong)}
.save{font-size:12px;font-weight:800;color:var(--green);background:var(--green-bg);border-radius:6px;padding:2px 6px}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:860px;margin:0 auto}
.plan{border:2px solid var(--line);border-radius:22px;padding:28px;background:var(--bg);display:flex;flex-direction:column;gap:6px;box-shadow:0 6px 0 var(--line)}
.plan-featured{border-color:var(--blue);box-shadow:0 6px 0 var(--blue-press)}
.plan header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan h3{font-size:22px;margin:0}
.plan-tag{font-size:12px;font-weight:800;color:var(--blue);background:var(--sel);border-radius:8px;padding:4px 8px}
.plan-pitch{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.plan-price{margin:14px 0 0;display:flex;align-items:baseline;gap:8px}
.plan-price strong{font-size:40px;letter-spacing:-1.5px;line-height:1}
.plan-price span{color:var(--muted);font-weight:600}
.plan-note{margin:0 0 16px;font-size:14px;color:var(--green);font-weight:700;min-height:1.6em}
.plan-list{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;gap:10px}
.plan-list li,.plans-shared li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.5}
.plan-list .i,.plans-shared .i{color:var(--green);margin-top:2px}
.plans-shared{max-width:860px;margin:28px auto 0;padding:20px 24px;border-radius:18px;background:var(--surface)}
.plans-shared p{margin:0 0 10px;font-weight:800}
.plans-shared ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px}
.plans-note{max-width:860px;margin:18px auto 0;font-size:13px;color:var(--muted);text-align:center;line-height:1.6}
.get-android{max-width:860px;margin:24px auto 0;padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.get-android span{display:grid;gap:2px}
.get-android small{font-size:13px;color:var(--muted);line-height:1.5}
.get-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.get-web{font-weight:700;font-size:14px;min-height:44px;display:inline-flex;align-items:center}

/* FAQ */
.faq-list{max-width:780px}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;font-weight:700;font-size:17px;list-style:none;padding:8px 0}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:22px;color:var(--link);flex:none;width:24px;text-align:center}.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 20px;color:var(--muted);font-size:15px;max-width:68ch}

/* Closing call to action */
.final-cta{padding:88px 0;border-top:1px solid var(--line);text-align:center}
.final-badge{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;color:var(--gold);border:3px solid var(--gold);box-shadow:0 5px 0 #c08600;margin-bottom:18px}
.final-cta h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-1px}
.final-cta p{color:var(--muted);font-size:17px;margin:10px 0 26px}
.final-cta .hero-actions{justify-content:center}

/* Phone call-to-action */
.sticky-cta{position:fixed;z-index:25;inset-inline:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);font-size:14px;transition:transform .25s ease}
.sticky-cta.is-hidden{transform:translateY(110%)}
.sticky-cta .btn{min-height:44px;padding:0 18px}

/* Footer tap targets */
.footer nav a{display:inline-flex;align-items:center;min-height:32px}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}.reveal.in{opacity:1;transform:none}

/* Tablet */
@media(max-width:1000px){
  .home .hero{column-gap:36px}
  .path{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:36px}
  .path::before{display:none}
}
/* Phone: a different, shorter flow */
@media(max-width:760px){
  .container{width:calc(100% - 32px)}
  .navigation{min-height:60px}
  .brand{font-size:19px}.brand img{width:30px;height:30px}
  .nav-links a{padding:0 10px;font-size:14px}
  .home{padding-bottom:84px}
  .home .hero{grid-template-columns:1fr;grid-template-rows:none;grid-template-areas:"copy" "quest" "actions";row-gap:22px;padding-top:28px;padding-bottom:40px}
  .quest-tracks{flex-wrap:wrap;overflow:visible}
  .home .hero h1{font-size:36px;letter-spacing:-1.2px}
  .home .lead{font-size:16px;margin:14px 0 0}
  .hero-actions .btn{flex:1 1 100%}
  .quest{padding:16px;border-radius:20px}
  .quest-body{min-height:300px}
  .quest-prompt{font-size:19px}
  .path-section,.languages,.faq,.pricing{padding:52px 0}
  .section-heading{margin-bottom:24px}
  /* Vertical path that zigzags like a game map */
  .path{grid-template-columns:1fr;row-gap:22px}
  .path-step{flex-direction:row;text-align:start;align-items:center;gap:16px}
  .path-step:nth-child(even){margin-inline-start:36px}
  .path-node{width:66px;height:66px;flex:none}
  .path-node img{width:38px;height:38px}
  .rewards{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:80%;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin-top:36px;padding:20px 0 6px;scrollbar-width:none}
  .rewards::-webkit-scrollbar{display:none}
  .rewards li{scroll-snap-align:start;padding:16px;border:2px solid var(--line);border-radius:16px}
  .lang-strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .lang-strip::-webkit-scrollbar{display:none}
  .lang-strip li{flex:none}
  .plans{grid-template-columns:1fr}
  .plans[data-active=plus] [data-plan=pro_ai],.plans[data-active=pro_ai] [data-plan=plus]{display:none}
  .plan{padding:22px}
  .plans-shared ul{grid-template-columns:1fr}
  .get-android .btn{width:100%}
  .final-cta{padding:56px 0}
  .final-cta .hero-actions .btn{flex:1 1 100%}
  .footer nav{gap:4px 18px}.footer nav a{min-height:40px}
}
@media(max-width:360px){.nav-links>.nav-signin{display:none}.home .hero h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* Dark mode stays deliberate and accessible */
@media(prefers-color-scheme:dark){
:root{color:#e6edf5;background:#0e1620;--bg:#0e1620;--ink:#e6edf5;--muted:#a9b8c9;--surface:#152131;--line:#26374a;--line-strong:#36506b;--link:#5bbcf2;--blue:#0a84cf;--blue-press:#05598c;--green:#5fd49a;--green-bg:#12301f;--amber:#f5b26b;--amber-bg:#3a2412;--gold:#f2b632;--sel:#17304a;--focus:#f59e4b}
body{background:var(--bg)}header,footer{border-color:var(--line)}
a{color:var(--link)}.brand,.nav-links>a{color:var(--ink)}.brand span span{color:var(--link)}.nav-links>.nav-cta,.btn-primary{color:#fff}.skip-link{background:var(--bg);color:var(--ink)}
em,.eyebrow{color:var(--link)}.bubble.you,.chip[aria-pressed=true]{color:#fff}
.quest-top img,.sample-card img,.path-node img{background:#fff;border-radius:12px}
.path-goal .path-state{color:var(--gold)}
.document-sections section{border-color:var(--line)}
}