.ln-root{--ln-bg:#f7f6f1;--ln-paper:#fff;--ln-text:#202626;--ln-muted:#697174;--ln-line:#e6e8e4;--ln-accent:#3156d3;--ln-tint:#edf1fc;--ln-raised:#f3f5f5;isolation:isolate;background:var(--ln-bg);min-height:100dvh;color:var(--ln-text);font-family:var(--font-geist-sans), sans-serif;-webkit-font-smoothing:antialiased;padding-top:16px;position:relative;overflow:clip}.dark .ln-root{--ln-bg:#14191e;--ln-paper:#20272d;--ln-text:#f2f4f2;--ln-muted:#adb8bd;--ln-line:#354048;--ln-accent:#a4baff;--ln-tint:#27354f;--ln-raised:#293138}html:lang(ar) .ln-root{font-family:var(--font-alyamama), var(--font-geist-sans), sans-serif}.ln-root:before{content:"";z-index:-1;background:#3156d3;height:110px;position:absolute;inset:0 0 auto}.ln-root *,.ln-root :before,.ln-root :after{box-sizing:border-box}.ln-root [hidden]{display:none!important}.ln-root :is(h1,h2,h3,p){margin:0}.ln-root a{text-decoration:none}.ln-root button,.ln-root summary{cursor:pointer}.ln-root :is(button,a,summary){-webkit-tap-highlight-color:transparent}.ln-root :is(button,a,summary,input):focus-visible{outline:3px solid var(--ln-accent);outline-offset:4px}.ln-root h2{letter-spacing:-.055em;text-wrap:balance;font-size:clamp(38px,4.4vw,64px);font-weight:560;line-height:1.08}.ln-root em{font-style:normal}.ln-container{width:min(1200px,100% - 80px);margin-inline:auto}.ln-eyebrow{color:var(--ln-accent);font-size:11px;font-weight:550;line-height:1.5;margin-bottom:20px!important}.ln-skip{top:16px;z-index:30;background:var(--ln-paper);color:var(--ln-text);border-radius:12px;padding:14px 20px;position:absolute;inset-inline-start:16px;transform:translateY(-180%)}.ln-skip:focus{transform:none}.ln-root #main{scroll-margin-top:100px}.ln-header{z-index:20;position:sticky;top:16px}.ln-nav{background:var(--ln-paper);border-radius:24px;justify-content:space-between;align-items:center;gap:20px;min-height:68px;padding-inline:22px 12px;display:flex;box-shadow:0 9px 35px #1420340d}.ln-wordmark{color:var(--ln-text);flex-shrink:0;align-items:center;gap:8px;display:inline-flex}.ln-wordmark>.ln-brand-name{font-family:var(--font-geist-sans),sans-serif;letter-spacing:-1.8px;font-size:28px;font-weight:650}.ln-logo{width:35px;height:auto}.ln-desktop-nav{align-items:center;gap:25px;display:flex}.ln-desktop-nav a,.ln-sign-in{min-height:44px;color:var(--ln-muted);align-items:center;font-size:12px;display:inline-flex}.ln-desktop-nav a:hover,.ln-sign-in:hover{color:var(--ln-accent)}.ln-nav-actions,.ln-desktop-prefs{align-items:center;gap:7px;display:flex}.ln-root .ln-icon-button{width:44px;height:44px;color:var(--ln-muted);background:0 0;border:0;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.ln-icon-button:hover{background:var(--ln-raised)}.ln-button{color:#fff;white-space:nowrap;background:#3156d3;border-radius:100px;justify-content:center;align-items:center;gap:20px;min-height:56px;padding:8px 8px 8px 24px;font-size:14px;font-weight:550;transition:transform .2s cubic-bezier(.32,.72,0,1),background .2s cubic-bezier(.32,.72,0,1);display:inline-flex}[dir=rtl] .ln-button{padding-inline:24px 8px}.ln-button-icon{background:#ffffff20;border-radius:50%;place-items:center;width:38px;height:38px;transition:transform .2s cubic-bezier(.32,.72,0,1);display:grid}.ln-button:hover .ln-button-icon{transform:translate(1px,-1px)}.ln-button:hover{background:#2448ba}.ln-button:active{transform:scale(.98)}.ln-button--small{gap:10px;min-height:44px;padding:5px 5px 5px 18px;font-size:12px}.ln-button--small .ln-button-icon{width:32px;height:32px}.ln-menu-toggle{display:none!important}.ln-mobile-nav{top:100%;overscroll-behavior:contain;background:var(--ln-paper);border-radius:24px;gap:2px;width:min(1200px,100% - 80px);max-height:calc(100dvh - 100px);margin:8px auto 0;padding:16px 22px;animation:.2s cubic-bezier(.32,.72,0,1) ln-menu-enter;display:grid;position:absolute;inset-inline:0;overflow-y:auto;box-shadow:0 16px 40px #13213215}@keyframes ln-menu-enter{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.ln-mobile-nav>a{min-height:44px;color:var(--ln-text);align-items:center;padding-inline:10px;font-size:15px;display:flex}.ln-mobile-preferences{border-top:1px solid var(--ln-line);margin-top:9px;padding-top:9px;display:grid}.ln-mobile-preferences>div,.ln-mobile-preferences>button{width:100%;min-height:44px;color:var(--ln-text);background:0 0;border:0;justify-content:space-between;align-items:center;padding:5px 10px;font-size:14px;display:flex}.ln-opening{color:#fff;background:#3156d3;border-radius:0 0 44px 44px;padding-block:35px 140px}.ln-hero{text-align:center}.ln-hero-eyebrow{color:#eef1ff;border:1px solid #ffffff35;border-radius:50px;padding:7px 14px;display:inline-block;margin-bottom:24px!important}.ln-hero h1{letter-spacing:-.065em;text-wrap:balance;font-size:clamp(60px,5.8vw,84px);font-weight:550;line-height:1.025}.ln-hero h1 em{color:#e3edac}.ln-phone-title{display:none}.ln-hero-description{color:#edf1ff;text-wrap:pretty;max-width:560px;font-size:16px;line-height:1.7;margin:19px auto 0!important}.ln-hero-actions{justify-content:center;align-items:center;gap:23px;margin-top:20px;display:flex}.ln-opening .ln-button,.ln-closing .ln-button{color:#253db4;background:#fff}.ln-opening .ln-button-icon,.ln-closing .ln-button-icon,.ln-opening .ln-button:hover,.ln-closing .ln-button:hover{background:#eef1ff}.ln-hero-secondary{color:#fff;align-items:center;gap:8px;min-height:44px;font-size:13px;display:inline-flex}.ln-opening :is(a,button):focus-visible{outline-color:#e3edac}.ln-hero-trust{color:#d3dcff;font-size:11px;margin-top:12px!important}.ln-demo{margin-top:-129px;scroll-margin-top:100px;position:relative}.ln-demo-heading{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.ln-walk-shell{background:#ffffff35;border-radius:30px;padding:8px;scroll-margin-top:104px;box-shadow:0 28px 75px #18347612}.ln-walk-inner{background:var(--ln-paper);border-radius:23px;overflow:hidden;box-shadow:inset 0 1px 1px #ffffff60}.ln-walk-bar{border-bottom:1px solid var(--ln-line);justify-content:space-between;align-items:center;gap:20px;min-height:60px;padding:12px 28px;display:flex}.ln-walk-bar strong{font-size:13px;font-weight:550}.ln-walk-bar>span{color:var(--ln-muted);font-size:11px}.ln-walk-tabs.p-seg{background:var(--ln-raised);border-radius:100px;grid-template-columns:repeat(3,minmax(0,1fr));width:min(540px,100% - 40px);margin:20px auto 0;padding:4px;display:grid}.ln-walk-tabs button{border-radius:100px;padding-inline:14px;font-size:13px;min-width:0!important}.ln-walk-tabs button[aria-selected=true]{color:var(--ln-text);background:var(--ln-paper);box-shadow:0 2px 8px #15263a09}.ln-walk-body{grid-template-columns:.78fr 1.22fr;min-height:0;display:grid}.ln-walk-explanation{flex-direction:column;align-items:flex-start;padding:70px 42px 40px;display:flex}.ln-walk-explanation h3{letter-spacing:-.05em;text-wrap:balance;max-width:330px;font-size:clamp(28px,3vw,40px);font-weight:550;line-height:1.13}.ln-walk-description{max-width:340px;color:var(--ln-muted);font-size:14px;line-height:1.85;margin-top:21px!important}.ln-walk-source{color:var(--ln-muted);font-size:11px;line-height:1.7;margin-top:25px!important}.ln-walk-next{min-height:44px;color:var(--ln-accent);background:0 0;border:0;align-items:center;gap:10px;margin-top:auto;padding-top:22px;font-size:13px;display:inline-flex}[dir=rtl] .ln-walk-next svg{transform:scaleX(-1)}.ln-walk-panel{align-self:stretch;min-width:0;padding:28px 32px 30px 0}[dir=rtl] .ln-walk-panel{padding-inline:0 32px}.ln-walk-panel>div{min-height:0}.ln-walk-panel .ln-live{background:var(--ln-raised);border:0;border-radius:18px}.ln-walk-panel .ln-live-top{border:0;min-height:40px;font-size:11px}.ln-walk-panel .ln-live-content{min-height:0}.ln-walk-panel .ln-sources-preview{background:var(--ln-raised);border-radius:18px;min-height:0;padding:28px}.ln-format-line{justify-content:space-between;align-items:center;gap:25px;padding:36px 10px 0;display:flex}.ln-format-line>p{color:var(--ln-muted);font-size:12px}.ln-format-line>div{flex-wrap:wrap;gap:26px;display:flex}.ln-format-line span{color:var(--ln-muted);align-items:center;gap:8px;font-size:11px;display:flex}.ln-app-ui{--paper:var(--ln-paper);--paper-card:var(--ln-paper);--paper-fill:var(--ln-raised);--paper-fill-2:var(--ln-line);--paper-line:var(--ln-line);--paper-ink:var(--ln-text);--paper-ink-2:var(--ln-muted);--paper-ink-3:var(--ln-muted);--paper-accent:#3156d3;--paper-accent-soft:var(--ln-tint);--lrnos-500:#3156d3;min-width:0;color:var(--ln-text)}.dark .ln-app-ui{--paper-accent:#a4baff;--lrnos-500:#a4baff}.dark .ln-app-ui .p-btn:not(.p-btn-plain){color:#172024}.ln-app-ui [data-testid=block-stem]{font-family:inherit;font-size:15px;font-weight:550}.ln-live{background:var(--ln-paper);border-radius:18px;overflow:hidden}.ln-live-top{min-height:48px;color:var(--ln-muted);border-bottom:1px solid var(--ln-line);align-items:center;padding:13px 24px;font-size:11px;display:flex}.ln-topic-control{width:calc(100% - 44px);margin:16px 22px 0}.ln-live-content{flex-direction:column;min-height:0;padding:25px 25px 10px;display:flex}.ln-balance-lesson{flex-direction:column;flex:1;min-width:0;display:flex}.ln-balance-lesson h3{letter-spacing:-.045em;font-size:23px;font-weight:550}.ln-balance-figure{padding:23px 5px 8px}.ln-balance-figure [data-testid=block-balance]{max-width:350px}.ln-lesson-explanation{min-height:72px;padding-block:6px 10px}.ln-lesson-explanation strong{color:var(--ln-accent);font-size:12px;font-weight:550}.ln-lesson-explanation p{color:var(--ln-muted);margin-top:7px;font-size:13px;line-height:1.75}.ln-lesson-controls{grid-template-columns:1fr auto;align-items:center;gap:14px;margin-top:12px;display:grid}.ln-lesson-controls .ln-reset{border:1px solid var(--ln-line);background:var(--ln-paper);white-space:nowrap;border-radius:100px;justify-content:center;min-width:72px;padding:10px 12px}.ln-lesson-controls .ln-reset:disabled{opacity:.65}.ln-lesson-controls .p-btn{white-space:normal;border-radius:100px;width:100%;height:auto;min-height:48px;padding:10px 14px;font-size:12px}.ln-reset{color:var(--ln-muted);background:0 0;border:0;align-items:center;gap:6px;min-height:44px;padding:0 3px;font-family:inherit;font-size:12px;display:inline-flex}.ln-reset:hover{color:var(--ln-accent)}.ln-reset:disabled{cursor:default;opacity:.4}[dir=rtl] .ln-reset svg{transform:scaleX(-1)}.ln-lesson-question{flex:1}.ln-lesson-question [data-testid=lesson-block]{background:0 0;border:0;padding:0}.ln-preview-source{padding:12px 25px 0}.ln-preview-source button{text-align:start;min-height:44px}.ln-preview-caption{text-align:center;color:var(--ln-muted);padding:6px 15px 13px;font-size:10px;line-height:1.7}.ln-source-heading{color:var(--ln-accent);font-size:11px;margin-bottom:18px!important}.ln-sources-preview h3{letter-spacing:-.03em;margin-bottom:22px;font-size:23px;font-weight:550}.ln-source-snippet{background:var(--ln-paper);border-radius:15px;margin-top:22px;padding:22px 18px}.ln-source-snippet>p:first-child{color:var(--ln-muted);margin-bottom:14px;font-size:11px}.ln-source-snippet>p:last-child{color:var(--ln-muted);margin-top:13px;font-size:13px;line-height:1.75}.ln-source-dialog{background:var(--paper);border-radius:24px;max-width:min(490px,100vw - 32px);max-height:calc(100dvh - 32px);overflow-y:auto}.ln-source-dialog h2{padding-inline-end:32px}.ln-source-dialog>button:last-child{place-items:center;min-width:44px;min-height:44px;display:grid;top:8px;right:8px}[dir=rtl] .ln-source-dialog>button:last-child{left:8px;right:auto}.ln-source-excerpt{white-space:pre-line;font-size:15px;line-height:1.85}.ln-source-dialog>p:not(.ln-source-excerpt){color:var(--paper-ink-2);font-size:12px;line-height:1.75}.ln-practice-preview .ln-preview-heading{letter-spacing:-.03em;margin-bottom:22px;font-size:21px;font-weight:550}.ln-practice-preview>.ln-reset{margin-top:12px}.ln-practice-preview .ln-preview-source,.ln-practice-preview .ln-preview-caption{padding-inline:0}.ln-plan-preview{background:var(--ln-paper);border-radius:22px;padding:28px}.ln-plan-preview .ln-preview-heading{letter-spacing:-.04em;margin-bottom:22px;font-size:26px;font-weight:550}.ln-budget-label{color:var(--ln-muted);font-size:12px;margin-bottom:10px!important}.ln-plan-preview .p-group{margin-top:22px}.ln-plan-preview .ln-preview-caption{padding-inline:0;margin-top:14px;padding-bottom:0}.ln-plan-back{margin-bottom:12px}.ln-statement{text-align:center;background:#edf0d2;border-radius:32px;margin-top:105px;padding:72px 75px}.ln-statement h2{font-size:clamp(40px,4.1vw,58px)}.ln-statement h2>span{color:#68774c}.ln-statement>p{color:#5a6852;max-width:650px;font-size:15px;line-height:1.85;margin:25px auto 0!important}.dark .ln-statement{background:#273026}.dark .ln-statement h2>span,.dark .ln-statement>p{color:#c4d1a6}.ln-section-heading{text-align:center}.ln-section-heading>p:not(.ln-eyebrow){color:var(--ln-muted);margin-top:20px;font-size:14px;line-height:1.75}.ln-semester{padding-block:105px 115px;scroll-margin-top:110px}.ln-semester h2{white-space:pre-line;font-size:clamp(40px,4.3vw,61px)}.ln-setup-description{max-width:680px;color:var(--ln-muted);text-align:center;font-size:14px;line-height:1.9;margin:25px auto 0!important}.ln-setup-bezel{background:var(--ln-tint);border-radius:32px;margin-top:42px;padding:8px}.ln-setup-surface{background:var(--ln-paper);border-radius:24px;grid-template-columns:.85fr 80px 1.15fr;align-items:center;padding:42px 48px 24px;display:grid}.ln-setup-surface .ln-eyebrow{margin-bottom:22px!important}.ln-setup-input .p-row{min-height:78px}.ln-setup-input .p-row:hover{background:var(--ln-tint)}.ln-setup-term{color:var(--ln-muted);font-size:12px;margin-top:19px!important}.ln-setup-hint{max-width:280px;color:var(--ln-muted);font-size:12px;line-height:1.85;margin-top:25px!important}.ln-setup-bridge{color:var(--ln-accent);place-items:center;display:grid}[dir=rtl] .ln-setup-bridge svg{transform:scaleX(-1)}.ln-setup-output h3{margin-bottom:13px;font-size:17px;font-weight:550}.ln-setup-output .p-group{background:var(--ln-raised)}.ln-setup-output .p-row{min-height:48px}.ln-setup-output .p-row>span:last-child{color:var(--ln-accent)}.ln-setup-output>button{background:var(--ln-raised);box-shadow:none;margin-top:20px}.ln-setup-caption{border-top:1px solid var(--ln-line);color:var(--ln-muted);grid-column:1/-1;justify-content:space-between;align-items:center;gap:20px;margin-top:33px;padding-top:20px;font-size:10px;display:flex}.ln-setup-caption>span{color:var(--ln-accent);align-items:center;gap:6px;display:inline-flex}.ln-setup-details{grid-template-columns:1fr 1fr;gap:80px;margin-top:32px;display:grid}.ln-setup-details h3{letter-spacing:-.035em;font-size:21px;font-weight:550}.ln-setup-details p{color:var(--ln-muted);max-width:480px;margin-top:13px;font-size:13px;line-height:1.85}.ln-setup-details a{min-height:44px;color:var(--ln-accent);align-items:center;gap:8px;margin-top:8px;font-size:12px;display:inline-flex}.ln-setup-dialog{--ln-paper:#fff;--ln-raised:#f3f5f5;--ln-text:#202626;--ln-muted:#697174;--ln-line:#e6e8e4;--ln-tint:#edf1fc;--ln-accent:#3156d3;max-height:calc(100dvh - 48px);overflow-y:auto}.dark .ln-setup-dialog{--ln-paper:#20272d;--ln-raised:#293138;--ln-text:#f2f4f2;--ln-muted:#adb8bd;--ln-line:#354048;--ln-tint:#27354f;--ln-accent:#a4baff}.ln-course-path{grid-template-columns:repeat(5,minmax(0,1fr));margin:58px 0 0;padding:0;list-style:none;display:grid}.ln-course-path li{padding:33px 24px 0 0;position:relative}[dir=rtl] .ln-course-path li{padding-inline:0 24px}.ln-course-path li:before{content:"";top:6px;background:var(--ln-line);height:1px;position:absolute;inset-inline:0}.ln-course-path li:last-child:before{width:15px}.ln-path-point{top:0;background:var(--ln-accent);width:13px;height:13px;box-shadow:0 0 0 6px var(--ln-bg);border-radius:50%;position:absolute;inset-inline-start:0}.ln-course-path h3{letter-spacing:-.025em;font-size:17px;font-weight:560;line-height:1.4}.ln-course-path p{color:var(--ln-muted);max-width:24ch;margin-top:13px;font-size:12px;line-height:1.85}.ln-focus-section{color:#f3f6ed;background:#202a2b;border-radius:36px;margin-inline:16px;padding-block:95px}.ln-focus-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:85px;display:grid}.ln-focus-grid>div{min-width:0}.ln-focus-copy .ln-eyebrow{color:#d1dca0}.ln-focus-copy h2{font-size:clamp(50px,5.4vw,78px);line-height:1.06}.ln-focus-copy h2 em{color:#d1dca0}.ln-focus-description{color:#c3cbc7;max-width:460px;font-size:15px;line-height:1.9;margin-top:27px!important}.ln-focus-copy ul{flex-wrap:wrap;gap:13px 23px;margin:27px 0 0;padding:0;list-style:none;display:flex}.ln-focus-copy li{color:#dce4d3;align-items:center;gap:7px;font-size:11px;display:inline-flex}.ln-focus-plan>h3{letter-spacing:-.03em;font-size:18px;font-weight:500}.ln-focus-plan>p{color:#c3cbc7;margin:12px 0 22px;font-size:12px;line-height:1.75}.ln-plan-bezel{background:#ffffff10;border-radius:29px;padding:7px}.ln-exam{grid-template-columns:1.1fr .9fr;align-items:center;gap:100px;padding-block:115px 100px;display:grid}.ln-exam h2{white-space:pre-line;font-size:clamp(40px,4.2vw,60px)}.ln-section-description{color:var(--ln-muted);max-width:480px;font-size:15px;line-height:1.85;margin-top:25px!important}.ln-exam-bezel{background:var(--ln-tint);border-radius:29px;padding:8px}.ln-exam-bezel>.ln-practice-preview{background:var(--ln-paper);border-radius:22px;padding:28px}.ln-exam-note{color:var(--ln-muted);text-align:center;padding:18px 16px 13px;font-size:11px;line-height:1.7}.ln-connected{padding-block:50px 100px}.ln-connected h2{max-width:800px}.ln-connected-details{border-top:1px solid var(--ln-line);grid-template-columns:1fr 1fr;gap:90px;margin-top:42px;padding-top:35px;display:grid}.ln-connected-details h3{letter-spacing:-.035em;font-size:23px;font-weight:550}.ln-connected-details p{max-width:490px;color:var(--ln-muted);margin-top:15px;font-size:14px;line-height:1.85}.ln-languages{background:var(--ln-paper);border-radius:32px;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;padding:65px 70px;display:grid}.ln-languages h2{white-space:pre-line;font-size:clamp(35px,4vw,55px)}.ln-languages>div>p{color:var(--ln-muted);max-width:390px;margin-top:20px;font-size:14px;line-height:1.8}.ln-language-count{flex-direction:column;align-items:center;display:flex}.ln-language-count strong{letter-spacing:-.085em;color:var(--ln-accent);font-size:108px;font-weight:500;line-height:1}.ln-language-count>span{color:var(--ln-muted);margin-top:13px;font-size:13px}.ln-language-words{border-top:1px solid var(--ln-line);letter-spacing:-.04em;color:var(--ln-muted);grid-column:1/-1;justify-content:space-between;gap:20px;padding-top:32px;font-size:36px;font-weight:500;display:flex}.ln-language-words span:nth-child(2){font-family:var(--font-alyamama),sans-serif}.ln-faq{width:min(800px,100% - 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