:root{--ink:#182d3c;--text:#314754;--muted:#687780;--paper:#f7f5ef;--white:#fff;--green:#28584c;--sage:#e5ece5;--gold:#b99b67;--line:#e2e5e0;--danger:#b53a40;--sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--serif:Georgia,"Times New Roman",serif}
.course-grid .course-card{display:flex;flex-direction:column;min-height:190px}.course-grid .course-card h3{margin-top:0}.course-grid .course-card .card-bottom{margin-top:auto}.course-links{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:25px}.scope-list>div{align-items:center;scroll-margin-top:24px}.scope-list>div:target{background:var(--sage);outline:8px solid var(--sage)}.scope-entry-main{display:flex;flex-direction:column;min-width:0}.scope-entry-main span{white-space:normal}.scope-list>div>.text-link{flex:none;font-size:12px;white-space:nowrap}
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@media(max-width:1080px){.site-nav{gap:13px;font-size:12px}.dashboard{grid-template-columns:205px minmax(0,1fr)}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.header-inner{height:76px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:20px 30px;flex-direction:column;align-items:flex-start}.site-nav.open{display:flex}.hero{gap:25px}.hero h1{font-size:45px}.hero-photo{height:340px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:22px}.sidebar{position:fixed;left:0;transform:translateX(-105%);width:240px;box-shadow:10px 0 40px #182d3c22;transition:transform .2s}.sidebar.open{transform:translateX(0)}.dashboard{display:block}.mobile-app-toggle{display:block}.dashboard-top{height:68px}.app-content{padding:28px 25px}.panel-columns{grid-template-columns:1fr}.auth-art{min-height:650px}.auth-art>div{left:30px;right:30px}.auth-art h2{font-size:38px}}
@media(max-width:680px){.container{padding:0 20px}.brand-text{font-size:15px}.brand-mark{width:34px;height:38px;font-size:20px}.hero{grid-template-columns:1fr;padding:42px 0 30px}.hero h1{font-size:44px}.hero-copy>p{font-size:15px}.hero-visual{margin-top:10px}.hero-photo{height:260px;border-top-left-radius:65px}.features-strip{grid-template-columns:1fr;gap:15px}.section{padding:52px 0}.section-heading{display:block}.section-heading h2{font-size:34px;margin-bottom:15px}.course-grid{gap:10px}.course-card{padding:16px}.course-card h3{font-size:15px}.course-card p{font-size:11px}.method-grid{grid-template-columns:1fr;gap:27px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:first-child{grid-column:1/-1}.cta-box{display:block;padding:28px}.cta-box h2{font-size:30px}.cta-box .button{margin-top:22px}.inner-page{padding-top:20px}.page-intro h1{font-size:39px}.steps-grid{grid-template-columns:1fr;gap:25px;margin:40px 0}.scope-list{grid-template-columns:1fr}.auth-page{display:block}.auth-art{display:none}.auth-form-area{padding:38px 24px;min-height:70vh}.auth-form h1{font-size:36px}.app-content{padding:24px 18px}.app-heading h1{font-size:32px}.app-course-grid{grid-template-columns:1fr}.config-fields{grid-template-columns:1fr}.mode-selector{flex-direction:column}.continue-band{display:block;padding:25px}.continue-band .button{margin-top:20px}.continue-band h2{font-size:30px}.question-stage{padding:18px}.question-stage h2{font-size:19px}.session-head h1{font-size:30px}.question-meta{display:block}.settings-grid{grid-template-columns:1fr}.chat-bubble,.chat-feedback{max-width:96%}.result-summary{display:block}.result-summary strong{display:block;font-size:50px}}
@media(max-width:380px){.container{padding:0 16px}.hero h1{font-size:40px}.course-grid{grid-template-columns:1fr}.stats-grid{gap:8px}.stat{padding:15px}.stat strong{font-size:29px}.app-content{padding:21px 14px}.answer-option{padding:10px;gap:10px}.result-summary strong{font-size:42px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.field-error{display:block;margin-top:5px;color:var(--danger);font-size:11px}.answer-form .field-error{margin-bottom:12px}
.chat-thread{max-height:520px;overflow-y:auto;scrollbar-color:#b6c4bc transparent;padding-right:8px}
.final-feedback{max-width:880px;margin-bottom:25px}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-grid h2{font:600 18px/1.4 var(--sans);margin:20px 0 10px}.article-body section{margin:35px 0}.article-body section h2{font-size:29px}.article-toc{display:flex;flex-direction:column;gap:8px;background:#fff;border-left:3px solid var(--green);padding:17px 21px;margin-bottom:38px;font-size:13px}.article-toc strong{margin-bottom:4px}.article-toc a{color:var(--green)}
.side-brand .brand-text{font-size:14px}.side-brand .brand-mark{width:34px;height:38px;flex-shrink:0}
.brand-mark .icon{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:680px){.article-grid{grid-template-columns:1fr}}
.auth-body .auth-page{grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100vh}
.auth-body .auth-art{min-height:100vh}
.auth-body .auth-form-area{padding:42px clamp(24px,4vw,70px)}
.auth-body .auth-form{width:min(100%,460px)}
.auth-body .auth-form>p{margin-bottom:24px}
.auth-field-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.auth-address-pair{grid-template-columns:minmax(0,3fr) minmax(0,5fr)}
.auth-field-pair .field{min-width:0}
.registration-data-note{display:flex;align-items:flex-start;gap:9px;margin:-3px 0 20px;padding:11px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.5}.registration-data-note svg{width:16px;height:16px;flex:none;margin-top:1px;stroke:var(--green);stroke-width:1.7;fill:none}.registration-data-note a{color:var(--green);font-weight:700;text-decoration:underline}
.auth-body .check-row{line-height:1.45}
.auth-body .consent-field{margin:8px 0 24px}
.auth-body .consent-field .check-row{margin:0}
.auth-body .consent-field .field-error{margin:6px 0 0 25px;line-height:1.4}
@media(max-width:1100px){.auth-body .auth-field-pair{grid-template-columns:1fr;gap:0}}
@media(max-width:680px){.auth-body .auth-page{display:block}.auth-body .auth-form-area{min-height:100vh;padding:32px 24px}.auth-field-pair{grid-template-columns:1fr;gap:0}}
.editorial-index .page-intro,.article-body .page-intro{max-width:820px}
.editorial-index .page-intro h1,.article-body .page-intro h1{font-size:46px;line-height:1.17}
.article-date{display:block;color:var(--muted);font-size:12px;margin-top:8px}
.article-body p,.editorial-sources p,.editorial-columns p{line-height:1.8}
.article-body ul{padding-left:22px;color:var(--text);line-height:1.75}
.article-body li+li{margin-top:9px}
.article-body section h2{font-size:28px}
.editorial-alert{max-width:850px;border-left:3px solid var(--green);padding:10px 18px;margin:0 0 42px;background:#eef2ec;color:var(--text);font-size:13px;line-height:1.65}
.editorial-alert strong{color:var(--ink)}
.editorial-alert a,.article-body a,.editorial-sources a{color:var(--green);text-decoration:underline;text-underline-offset:2px}
.editorial-group{margin:0 0 55px}
.editorial-group>h2{font-size:28px}
.editorial-group>p{max-width:750px}
.editorial-group .section-heading{margin-bottom:10px}
.editorial-group .section-heading h2{font-size:30px}
.editorial-links{border-top:1px solid var(--line)}
.editorial-link{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:19px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.editorial-link:hover{text-decoration:none;background:#fff9}
.editorial-link>span:first-child{min-width:0}
.editorial-link strong{display:block;color:var(--ink);font-size:16px;line-height:1.35}
.editorial-link small{display:block;max-width:800px;color:var(--muted);font-size:12px;line-height:1.55;margin-top:5px}
.editorial-link>span:last-child{flex-shrink:0;color:var(--green);font-size:19px}
.article-toc{max-width:680px}
.editorial-sources,.editorial-related{border-top:1px solid var(--line);padding:28px 0 12px;margin-top:38px}
.editorial-sources h2,.editorial-related h2{font-size:27px;margin-bottom:12px}
.editorial-sources p{max-width:750px;font-size:13px}
.editorial-sources ul{padding-left:20px;margin:14px 0;color:var(--green);font-size:13px;line-height:1.7}
.editorial-sources li+li{margin-top:6px}
.editorial-cta{display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;margin:42px 0}
.editorial-cta strong{font-size:17px;line-height:1.35;flex-shrink:0}
.editorial-cta span{font-size:12px;color:var(--muted)}
.editorial-cta .button{margin-left:auto;flex-shrink:0}
.editorial-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:50px;margin:25px 0 52px}
.editorial-columns h2{font-size:28px}
.editorial-columns p{font-size:14px}
.current-exam-band{background:#fff}
.exam-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:25px 0 18px}
.exam-facts>div{padding:20px 18px 18px 0}
.exam-facts>div+div{padding-left:25px;border-left:1px solid var(--line)}
.exam-facts strong{display:block;font:400 37px/1.1 var(--serif);color:var(--green)}
.exam-facts span{display:block;font-size:12px;color:var(--text);margin-top:6px}
.source-line{font-size:12px;color:var(--muted);margin-bottom:15px}
.source-line a{color:var(--green);text-decoration:underline}
.home-editorial-links{width:100%}
@media(max-width:900px){.editorial-cta{flex-wrap:wrap}.editorial-cta .button{margin-left:0}.editorial-columns{gap:25px}}
@media(max-width:680px){.editorial-index .page-intro h1,.article-body .page-intro h1{font-size:36px}.editorial-link{padding:15px 0}.editorial-link strong{font-size:14px}.editorial-link small{font-size:11px}.editorial-columns{grid-template-columns:1fr;gap:0}.exam-facts{grid-template-columns:1fr}.exam-facts>div,.exam-facts>div+div{padding:14px 0;border-left:0}.exam-facts>div+div{border-top:1px solid var(--line)}.exam-facts strong{font-size:30px}.editorial-cta{display:block}.editorial-cta strong,.editorial-cta span{display:block}.editorial-cta span{margin:8px 0 16px}}
.pricing-page{max-width:1120px}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:28px 0 40px}.pricing-item{border:1px solid var(--line);background:#fff;padding:26px;display:flex;flex-direction:column;min-width:0}.pricing-item h2{font-size:23px;line-height:1.3;margin:12px 0}.pricing-item p{font-size:13px;line-height:1.65;min-height:48px}.pricing-item .price{font-size:27px;color:var(--green);margin-top:auto}.pricing-item small{font-size:11px;color:var(--muted);margin:3px 0 20px}.pricing-item .button{align-self:flex-start}.pricing-item .button.disabled{opacity:.65;cursor:not-allowed}.checkout-form{max-width:760px}.checkout-form h2{font-size:23px}.checkout-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.checkout-fields .field{min-width:0}.payment-channels{border:0;padding:0;margin:20px 0}.payment-channels legend{font-weight:700;margin-bottom:10px}.checkout-form .consent-field{margin:12px 0}.checkout-form .consent-field .field-error{display:block;margin:6px 0 0 25px}.checkout-form>.button{margin-top:18px}.payment-row{display:grid;grid-template-columns:minmax(0,1fr) 120px 160px;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:18px 0;font-size:13px}.payment-row strong,.payment-row small{display:block}.payment-row small{color:var(--muted);margin-top:5px}.payment-row a{color:var(--green);text-decoration:underline}.chat-current{margin-top:24px}.chat-thread{max-height:min(54vh,620px);overflow:auto;scrollbar-gutter:stable}.chat-pair{margin:0 0 24px}.chat-pair .chat-bubble,.chat-pair .chat-feedback{max-width:780px}.chat-pair .answer-bubble{margin-left:auto}.chat-current .answer-option{min-height:54px}#chat-error[hidden]{display:none}@media(max-width:800px){.pricing-grid{grid-template-columns:1fr}.pricing-item p{min-height:0}.checkout-fields{grid-template-columns:1fr;gap:0}.payment-row{grid-template-columns:1fr auto}.payment-row>div:last-child{grid-column:1/-1}.chat-thread{max-height:50vh}}
.pricing-features{margin:0 0 22px;padding:16px 0 0 18px;border-top:1px solid var(--line);color:var(--text);font-size:12px;line-height:1.8}.pricing-item .price{margin-top:12px}.pricing-item small{margin-bottom:22px}.pricing-details{border-top:1px solid var(--line);padding:28px 0 0;max-width:900px}.pricing-details h2{font-size:27px;margin-bottom:12px}.pricing-details p{font-size:13px;line-height:1.75}.pricing-details a,.legal-document a{color:var(--green);text-decoration:underline;text-underline-offset:2px}.legal-document{max-width:900px}.legal-document .page-intro{margin-bottom:30px}.legal-document .page-intro h1{font-size:43px}.legal-document .page-intro p{font-size:12px;color:var(--muted)}.legal-document section{border-top:1px solid var(--line);padding:25px 0 12px}.legal-document section h2{font-size:25px;margin:0 0 14px}.legal-document section p,.legal-document section li{font-size:13px;line-height:1.8}.legal-document section ul{padding-left:21px}.legal-document section li+li{margin-top:8px}.legal-document .notice{font-size:13px;line-height:1.7}@media(max-width:680px){.legal-document .page-intro h1{font-size:34px}.legal-document section h2{font-size:23px}}
.home-pricing{background:#edf2ed}.home-pricing .pricing-grid{margin-bottom:0}.pricing-item.featured{border:2px solid var(--green);background:#f9fcf9;box-shadow:0 10px 28px #182d3c14;padding:25px}.pricing-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:26px}.pricing-meta .eyebrow{margin:0;white-space:nowrap}.featured-label{display:inline-block;background:var(--green);color:#fff;padding:4px 8px;border-radius:4px;font-size:10px;font-weight:700;white-space:nowrap}.pricing-item h2{margin-top:16px}@media(max-width:380px){.pricing-meta{flex-wrap:wrap}.pricing-meta .eyebrow{white-space:normal}}
.contextual-questions{border-top:1px solid var(--line);padding-top:30px;margin:48px 0 42px}.contextual-questions h2{font-size:28px;margin:0 0 14px}.contextual-questions .faq-list{max-width:900px}.contextual-questions .faq-list summary{font-size:14px}.contextual-questions .faq-list details p{max-width:780px;line-height:1.75}
.footer-grid{grid-template-columns:minmax(210px,1.7fr) repeat(4,minmax(0,1fr));gap:26px}.footer-grid>div{min-width:0}.footer-grid>div:first-child a[href^="mailto:"]{overflow-wrap:anywhere}@media(max-width:900px){.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:680px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.session-config .config-fields{grid-template-columns:minmax(200px,1fr) auto}@media(max-width:680px){.session-config .config-fields{grid-template-columns:1fr}}