@import url('tokens.css');
@font-face{font-family:'Golos Text';src:url('fonts/golos-text.woff2') format('woff2');font-weight:400 900;font-style:normal;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:auto;color-scheme:light;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}a:hover{color:var(--fg);text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--action);outline-offset:5px}button:disabled{cursor:not-allowed;opacity:.45}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--font-display);line-height:1.12;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(38px,5.3vw,72px);font-weight:600}h2{font-size:clamp(28px,3vw,40px);font-weight:550}h3{font-size:23px;font-weight:550}p{max-width:72ch;text-wrap:pretty}p+p{margin-top:16px}ul,ol{padding-left:24px}li+li{margin-top:8px}svg{flex-shrink:0}img{max-width:100%;height:auto}mark{background:var(--wash);color:var(--fg);box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:0 .12em;border-bottom:2px solid var(--action)}::selection{background:var(--action);color:var(--surface)}[hidden]{display:none!important}.wrap{max-width:var(--page-max);margin:auto;padding-inline:40px}.site-header{border-bottom:1px solid var(--border);background:var(--bg)}.header-inner{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:32px}.wordmark{font-size:24px;font-weight:650;letter-spacing:-.06em;white-space:nowrap;text-decoration:none;display:inline-flex;gap:9px;align-items:center}.brand-sign{width:27px;height:28px;color:var(--action)}.nav{display:flex;gap:8px;align-items:center}.nav a{font-size:15px;min-height:44px;padding:10px 15px;text-decoration:none;border-radius:6px}.nav a:hover{background:var(--paper)}.nav a[aria-current=page]{background:var(--paper);font-weight:600}.mobile-nav{display:none}.skip-link{position:absolute;left:20px;top:-100px;padding:12px 20px;background:var(--surface);z-index:10}.skip-link:focus{top:12px}.crumbs{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:14px;color:var(--muted-strong);padding-top:30px;margin-bottom:32px}.crumbs a{min-height:28px}.crumbs span[aria-hidden]{color:var(--line-strong)}.eyebrow{font-size:15px;color:var(--muted-strong);margin-bottom:20px}.hero{padding-block:72px 64px;display:grid;grid-template-columns:.88fr 1.12fr;gap:64px;align-items:start}.hero h1{font-size:clamp(44px,5.1vw,72px);line-height:1.04;max-width:8.5em}.hero .intro{margin-top:28px;max-width:35ch;font-size:19px;color:var(--muted-strong)}.hero-foot{margin-top:30px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;font-size:15px}.text-link{display:inline-flex;min-height:44px;align-items:center;gap:10px;font-weight:500}.button{border:1px solid var(--action);background:var(--action);color:var(--surface);display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:12px 23px;border-radius:var(--radius-control);font-size:16px;font-weight:500;line-height:1.35;text-align:center;text-decoration:none}.button:hover{background:var(--action-hover);border-color:var(--action-hover);color:var(--surface);text-decoration:none}.button.secondary{color:var(--fg);background:transparent;border-color:var(--line-strong)}.button.secondary:hover{background:var(--paper);border-color:var(--fg);color:var(--fg)}.message-workbench{background:var(--paper);padding:12px;border-radius:16px;min-width:0}.intent-switch{display:flex;gap:4px;padding:2px 2px 12px}.intent-switch button{flex:1;min-height:44px;background:transparent;border:1px solid transparent;border-radius:6px;padding:7px 10px;font-size:14px;color:var(--fg)}.intent-switch button:hover{background:var(--surface)}.intent-switch button[aria-pressed=true]{background:var(--fg);color:var(--surface)}.message-sheet{background:var(--surface);padding:30px;border:1px solid var(--border);border-radius:8px}.message-meta{display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted-strong);padding-bottom:24px}.hero-message{font-size:clamp(28px,3.15vw,44px);line-height:1.32;letter-spacing:-.025em;font-weight:450}.hero-message mark{background:transparent;border-bottom:3px solid var(--action);padding:0}.message-reason{margin-top:24px;font-size:18px;line-height:1.5;max-width:30ch}.annotation{margin-top:24px;display:grid;grid-template-columns:36px 1fr;gap:12px;border-top:1px solid var(--border);padding-top:20px;font-size:15px;line-height:1.5}.annotation .bracket{color:var(--action);font-size:27px;font-weight:500;line-height:1.3}.annotation strong{font-weight:600}.message-workbench>details{margin:0;padding:0 18px}.message-workbench>details summary{font-size:14px;padding-block:14px;min-height:48px}.message-workbench>details p{font-size:14px;padding:0 0 16px}.section{padding-block:64px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:30px}.section-head p{font-size:15px;color:var(--muted-strong)}.route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.route-card{padding:24px 0;border-top:2px solid var(--fg);min-width:0}.route-card h3{margin-bottom:12px;font-size:25px}.route-card p{font-size:15px;line-height:1.6;color:var(--muted-strong);margin-bottom:16px}.route-card a{font-size:15px;min-height:44px;display:inline-flex;align-items:center}.task-list{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}.task-link{padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid var(--border);text-decoration:none;font-size:20px;line-height:1.35}.task-link:hover .task-label{text-decoration:underline;text-underline-offset:5px}.task-link small{display:block;font-size:14px;line-height:1.5;color:var(--muted-strong);margin-top:8px}.arrow{width:22px;height:22px;flex:none}.test-band{background:var(--paper);border-radius:var(--radius-sheet);padding:36px 40px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.test-band p{margin-top:12px;color:var(--muted-strong)}.site-footer{margin-top:64px;border-top:1px solid var(--border)}.footer-inner{padding-block:32px 40px;display:flex;justify-content:space-between;align-items:flex-start;gap:32px;font-size:14px}.footer-name{font-size:18px;font-weight:600;letter-spacing:-.04em}.footer-note{font-size:13px;color:var(--muted-strong);margin-top:5px}.footer-links{display:flex;gap:24px;flex-wrap:wrap}.footer-links a{min-height:44px;display:inline-flex;align-items:center}.page-head{padding-block:56px 48px;max-width:900px}.page-head .lead{font-size:21px;max-width:52ch;line-height:1.55;color:var(--muted-strong);margin-top:24px}.hub-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;background:var(--paper);padding:40px;border-radius:var(--radius-sheet);align-items:center}.hub-feature h2{margin:12px 0 20px}.hub-feature .sample{font-size:30px;line-height:1.4;letter-spacing:-.025em}.hub-feature .caption{margin-top:18px;font-size:14px;color:var(--muted-strong)}.plain-note{font-size:15px;color:var(--muted-strong)}.topic-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:32px}.topic-group h3{font-size:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}.topic-group ul{list-style:none;padding:0;margin:0}.topic-group li{padding-block:14px;margin:0;font-size:16px;line-height:1.45;border-bottom:1px solid var(--border)}.topic-group li a{display:block;min-height:44px;padding-top:8px}.guide-title{max-width:960px;margin-bottom:44px}.guide-title h1{font-size:clamp(38px,4.4vw,60px);max-width:17ch}.guide-title .lead{font-size:20px;color:var(--muted-strong);margin-top:24px;max-width:62ch}.article-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:60px;align-items:start}.toc{position:sticky;top:24px;font-size:14px;padding-right:20px}.toc p{font-weight:550;margin-bottom:12px}.toc a{display:block;padding:10px 0;min-height:44px;color:var(--muted-strong);text-decoration:none;line-height:1.5}.toc a:hover{color:var(--fg);text-decoration:underline}.article-body{min-width:0}.article-body section{margin-bottom:56px}.article-body h2{font-size:32px;margin-bottom:22px}.article-body h3{font-size:23px;margin:28px 0 14px}.article-body .opening{font-size:23px;line-height:1.45;letter-spacing:-.02em;margin-bottom:24px}.context{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:14px;margin-block:24px}.context dt{color:var(--muted-strong);margin-bottom:4px}.context dd{margin:0;font-weight:500}.document{padding:32px 36px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sheet)}.document-top{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--border);font-size:14px}.document-top .copy{min-height:44px;padding:8px 12px;background:var(--surface);border:1px solid var(--line-strong);border-radius:6px;color:var(--fg);font-size:13px}.document-top .copy:hover{background:var(--paper)}.email-body{font-size:21px;line-height:1.65;max-width:51ch}.email-body p+p{margin-top:22px}.copy-status{min-height:24px;font-size:14px;color:var(--muted-strong);margin-top:12px}.explanation-list{padding:0;list-style:none;margin-top:28px}.explanation-list li{display:grid;grid-template-columns:1fr 1.35fr;gap:28px;padding:20px 0;border-top:1px solid var(--border);margin:0}.explanation-list .en{font-size:19px;font-weight:500}.explanation-list p{font-size:15px;color:var(--muted-strong)}.variant{display:grid;grid-template-columns:170px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--border)}.variant-title{font-size:14px;font-weight:550}.variant .en{font-size:20px;line-height:1.5}.variant .ru{font-size:15px;color:var(--muted-strong);margin-top:10px}details.faq{border-top:1px solid var(--border)}details.faq:last-child{border-bottom:1px solid var(--border)}summary{cursor:pointer}details.faq summary{font-size:18px;font-weight:500;padding:20px 26px 20px 0;min-height:56px}details.faq p{padding-bottom:24px;font-size:16px}.practice{padding:28px;background:var(--paper);border-radius:var(--radius-sheet)}.practice h3{margin-top:0}.practice .practice-options{display:grid;gap:10px;margin-block:20px}.practice-option{border:1px solid var(--line-strong);background:var(--surface);padding:16px;border-radius:8px;font-size:18px;line-height:1.5}.practice details summary{min-height:44px;padding:10px 0;font-weight:550}.practice details p{font-size:16px;margin-top:12px}.related{padding-top:24px;border-top:1px solid var(--border)}.related .task-link{font-size:18px}.dialogue{background:var(--paper);border-radius:var(--radius-sheet);padding:12px 28px}.turn{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--border)}.turn:last-child{border:none}.speaker{font-size:13px;color:var(--muted-strong);padding-top:5px}.turn .en{font-size:23px;line-height:1.5}.turn .translation{font-size:14px;color:var(--muted-strong);margin-top:10px}.cv-head{padding-bottom:24px;border-bottom:2px solid var(--fg)}.cv-head strong{font-size:28px;font-weight:600;letter-spacing:-.03em}.cv-head p{font-size:15px;margin-top:8px}.cv-part{padding-top:24px}.cv-part h3{font-size:16px;margin:0 0 12px;letter-spacing:0;font-weight:600}.cv-part p,.cv-part li{font-size:17px}.cv-part .role{font-size:19px;font-weight:550}.cv-part small{color:var(--muted-strong)}.rewrite{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-block:24px}.rewrite>div{padding:24px;background:var(--paper);border-radius:8px}.rewrite .en{font-size:21px;margin-top:12px}.test-list{margin-top:30px}.test-row{display:grid;grid-template-columns:60px 1fr auto;gap:28px;padding:32px 0;border-top:1px solid var(--border);align-items:start}.test-row h2{font-size:27px}.test-row p{font-size:16px;color:var(--muted-strong);margin-top:12px;max-width:55ch}.test-row .test-symbol{font-size:26px;border:1px solid var(--line-strong);border-radius:50%;width:46px;height:46px;text-align:center;line-height:44px}.status-label{font-size:13px;padding:7px 12px;border:1px solid var(--border);border-radius:6px;white-space:nowrap;color:var(--muted-strong)}.test-shell{max-width:850px;margin:auto;padding-block:48px 32px;min-height:650px}.test-shell h1{font-size:clamp(34px,4.6vw,56px);max-width:18ch}.test-shell .lead{font-size:19px;color:var(--muted-strong);margin-top:24px}.test-entry-list{margin:32px 0;max-width:58ch}.test-entry-list li{margin-top:12px}.progress-top{display:flex;justify-content:space-between;gap:20px;font-size:14px;margin-bottom:16px;color:var(--muted-strong)}.progress-track{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:38px}.progress-track span{height:5px;background:var(--border);border-radius:2px}.progress-track .filled{background:var(--fg)}.question-title{font-size:clamp(28px,3vw,38px)!important;line-height:1.18;max-width:24ch!important}.question-context{margin-block:22px 26px;font-size:18px;max-width:64ch}.question-context strong{font-weight:550}.options{border:0;padding:0;margin:0;min-width:0}.options legend{font-size:15px;margin-bottom:16px;font-weight:500}.option{position:relative;display:flex;align-items:flex-start;gap:15px;padding:19px 22px;margin-bottom:12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);cursor:pointer;font-size:19px;line-height:1.5;min-height:64px}.option:hover{background:var(--paper);border-color:var(--fg)}.option:has(input:checked){border:2px solid var(--action);background:var(--wash);padding:18px 21px}.option:has(input:focus-visible){outline:3px solid var(--action);outline-offset:4px}.option input{width:19px;height:19px;min-width:19px;margin:5px 0 0;accent-color:var(--action);outline:none}.option input:disabled{opacity:1}.option:has(input:disabled){cursor:default}.option.correct{border:2px solid var(--success);background:var(--success-bg);padding:18px 21px}.option.incorrect{border:2px solid var(--error);background:var(--error-bg);padding:18px 21px}.option-text{flex:1;min-width:0}.option-tag{font-size:13px;font-weight:550;margin-top:8px;display:block}.question-actions{margin-top:24px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}.question-actions small{font-size:14px;color:var(--muted-strong)}.feedback{margin-top:26px;padding:24px;border-radius:8px;background:var(--success-bg);color:var(--success)}.feedback.incorrect-feedback{background:var(--error-bg);color:var(--error)}.feedback h2{font-size:23px;color:inherit;margin-bottom:10px;letter-spacing:-.02em}.feedback p{font-size:16px}.feedback a{display:inline-flex;min-height:44px;margin-top:10px;font-size:15px;align-items:center;color:inherit}.feedback a:hover{color:inherit}.result-top{display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center;padding-bottom:32px;border-bottom:1px solid var(--border)}.score{font-size:76px;line-height:1;letter-spacing:-.07em;font-weight:550;white-space:nowrap}.score small{font-size:24px;letter-spacing:-.02em;color:var(--muted-strong)}.result-top h1{font-size:36px;max-width:15ch}.result-note{font-size:16px;color:var(--muted-strong);margin-top:16px}.result-row{display:grid;grid-template-columns:30px 1fr auto;gap:16px;padding:22px 0;border-bottom:1px solid var(--border);align-items:start}.result-row h2{font-size:19px;letter-spacing:-.02em}.result-row p{font-size:14px;color:var(--muted-strong);margin-top:6px}.result-row a{font-size:14px;min-height:44px;display:inline-flex;align-items:center}.result-symbol{font-size:21px;font-weight:600;color:var(--success)}.result-symbol.miss{color:var(--error)}.empty-page{padding-block:80px;max-width:760px}.empty-number{font-size:100px;line-height:1;color:var(--muted-strong);letter-spacing:-.08em;margin-bottom:28px}.empty-page p{font-size:20px;color:var(--muted-strong);margin-block:24px}.utility{max-width:760px;margin:auto;padding-block:60px}.utility h1{font-size:48px;margin-bottom:28px}.utility h2{font-size:28px;margin:36px 0 18px}.print-domain{display:none}.ref-section{padding-block:36px;border-bottom:1px solid var(--border)}.ref-section h2{margin-bottom:24px}.swatch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.swatch{min-height:110px;padding:20px;border:1px solid var(--border);border-radius:8px;font-size:14px}.swatch code{display:block;font-size:12px;margin-top:8px}.ref-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.ref-caption{font-size:14px;color:var(--muted-strong);margin-bottom:12px}.focus-sample{outline:3px solid var(--action);outline-offset:5px}.static-menu{border:1px solid var(--line-strong);border-radius:8px;padding:18px;max-width:320px}.static-menu a{display:block;min-height:44px;padding:8px}.social-page{margin:0;background:var(--paper)}.social-art{width:1200px;height:630px;padding:54px 64px;display:flex;flex-direction:column;background:var(--bg);overflow:hidden}.social-art .social-title{font-size:30px;font-weight:500;margin-top:44px}.social-art .social-message{font-size:74px;line-height:1.16;letter-spacing:-.04em;max-width:1000px;margin-top:28px}.social-art .social-caption{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:22px}.social-art .social-caption span:last-child{font-size:16px;color:var(--muted-strong)}
@media(min-width:1600px){.wrap{padding-inline:32px}.hero{padding-block:88px}}
@media(max-width:1100px){.wrap{padding-inline:32px}.hero{gap:36px}.header-inner{gap:20px}.nav{gap:0}.nav a{padding-inline:12px}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:32px}.route-grid{gap:20px}.route-card h3{font-size:22px}.hub-feature{gap:32px}}
@media(max-width:850px){.header-inner{min-height:80px}.wordmark{font-size:22px}.desktop-nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav>summary{list-style:none;display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:10px;cursor:pointer}.mobile-nav>summary::-webkit-details-marker{display:none}.mobile-nav .nav{position:absolute;right:0;top:54px;z-index:5;width:min(300px,calc(100vw - 48px));padding:12px;display:flex;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;box-shadow:0 12px 32px oklch(18% 0.012 250/.12)}.mobile-nav .nav a{padding:14px 16px}.hero{grid-template-columns:1fr 1.08fr;gap:26px;padding-top:48px}.hero h1{font-size:46px}.hero .intro{font-size:17px}.message-sheet{padding:22px}.hero-message{font-size:29px}.message-reason{font-size:16px}.annotation{font-size:14px}.route-grid{grid-template-columns:1fr 1fr;gap:16px 36px}.section{padding-block:44px}.article-layout{display:block;max-width:760px;margin:auto}.toc{position:static;padding:0 0 24px;margin-bottom:32px;border-bottom:1px solid var(--border)}.toc nav{display:flex;gap:0 20px;flex-wrap:wrap}.toc a{padding-block:8px}.hub-feature{padding:32px;gap:32px}.hub-feature .sample{font-size:25px}.topic-columns{grid-template-columns:1fr 1fr}.test-row{grid-template-columns:46px 1fr;gap:24px}.test-row>.status-label,.test-row>.button{grid-column:2;justify-self:start}.test-band{padding:28px}.test-band h2{font-size:28px}.footer-inner{flex-direction:column;gap:16px}.swatch-grid{grid-template-columns:1fr 1fr}.page-head{padding-top:40px}}
@media(max-width:620px){body{font-size:16px}.wrap{padding-inline:20px}.header-inner{min-height:72px}.wordmark{font-size:22px}.brand-sign{width:23px}.hero{display:block;padding-block:36px 24px}.hero h1{font-size:clamp(42px,10.8vw,58px);max-width:9ch}.hero .eyebrow{margin-bottom:18px;font-size:14px}.hero .intro{margin-top:22px;max-width:33ch}.hero-foot{margin-top:18px;margin-bottom:32px}.message-workbench{padding:8px;border-radius:12px}.intent-switch{padding:4px 2px 10px}.intent-switch button{font-size:13px;padding:6px}.message-sheet{padding:23px 20px}.message-meta{font-size:12px;padding-bottom:22px;gap:10px}.hero-message{font-size:31px}.message-reason{font-size:17px;margin-top:22px}.annotation{margin-top:22px;padding-top:18px}.section{padding-block:32px}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:12px}.route-grid{gap:12px 24px}.route-card{padding:20px 0 8px}.route-card h3{font-size:21px;letter-spacing:-.035em}.route-card p{font-size:14px}.route-card a{font-size:14px}.task-list{display:block}.task-link{font-size:18px;padding:20px 0;gap:18px}.test-band{grid-template-columns:1fr;gap:22px;padding:26px 24px}.test-band .button{justify-self:start}.test-band h2{font-size:27px}.site-footer{margin-top:40px}.footer-inner{padding-block:28px}.footer-links{gap:4px 20px}.footer-links a{font-size:13px}.page-head{padding:34px 0}.page-head h1{font-size:38px;max-width:14ch}.page-head .lead{font-size:18px;margin-top:20px}.hub-feature{display:block;padding:26px}.hub-feature h2{font-size:28px}.hub-feature .sample{margin-top:28px;font-size:27px;padding-top:24px;border-top:1px solid var(--line-strong)}.topic-columns{display:block;margin-top:24px}.topic-group{margin-bottom:32px}.topic-group h3{padding-bottom:16px}.crumbs{font-size:13px;padding-top:22px;margin-bottom:24px;gap:5px 10px}.guide-title{margin-bottom:30px}.guide-title h1{font-size:39px;max-width:15ch}.guide-title .lead{font-size:18px;margin-top:20px}.toc{margin-bottom:28px}.toc nav{display:block}.toc a{min-height:44px;padding-block:10px}.article-body .opening{font-size:21px}.article-body section{margin-bottom:40px}.article-body h2{font-size:28px}.context{grid-template-columns:1fr;gap:12px}.context>div{display:grid;grid-template-columns:80px 1fr;gap:12px}.document{padding:24px 20px}.document-top{gap:16px;align-items:flex-start;font-size:13px;flex-wrap:wrap}.email-body{font-size:20px;line-height:1.6}.explanation-list li{grid-template-columns:1fr;gap:8px}.variant{grid-template-columns:1fr;gap:10px;padding-block:22px}.practice{padding:24px 20px}.practice-option{font-size:17px}.dialogue{padding:6px 20px}.turn{grid-template-columns:1fr;gap:8px;padding-block:20px}.turn .en{font-size:21px}.speaker{padding:0}.rewrite{grid-template-columns:1fr;gap:12px}.test-shell{padding-block:32px;min-height:580px}.test-shell h1{font-size:37px}.test-shell .lead{font-size:18px}.question-title{font-size:28px!important}.progress-track{margin-bottom:28px}.question-context{font-size:16px;margin-block:20px}.option{font-size:17px;padding:16px 15px;gap:12px}.option:has(input:checked),.option.correct,.option.incorrect{padding:15px 14px}.question-actions{gap:12px;margin-top:20px}.question-actions .button{width:100%}.feedback{padding:22px 20px}.test-row{gap:14px 18px;padding-block:26px;grid-template-columns:38px 1fr}.test-row h2{font-size:25px}.test-row .test-symbol{width:36px;height:36px;font-size:21px;line-height:34px}.test-row p{font-size:15px}.result-top{gap:24px;grid-template-columns:1fr}.score{font-size:74px}.result-top h1{font-size:33px;max-width:18ch}.result-row{grid-template-columns:24px 1fr;gap:10px}.result-row>a{grid-column:2}.empty-page{padding-block:48px}.empty-number{font-size:80px}.utility{padding-block:40px}.utility h1{font-size:38px}.ref-grid{grid-template-columns:1fr}.swatch-grid{gap:12px}.swatch{padding:16px;font-size:13px}.ref-section{padding-block:28px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{@page{margin:18mm}body{background:white;color:black;font-size:12pt;line-height:1.5}.site-header,.site-footer,.toc,.crumbs,.copy,.copy-status,.skip-link,.related,.question-actions,.intent-switch{display:none!important}.print-domain{display:block;font-size:12pt;border-bottom:1px solid black;margin-bottom:20pt;padding-bottom:8pt}.wrap{padding:0;max-width:none}.article-layout{display:block}.guide-title h1{font-size:26pt}.guide-title .lead{font-size:13pt}.article-body section{margin-bottom:24pt}.article-body h2{font-size:20pt}.article-body p,.article-body li,.article-body .ru,.speaker,.turn .translation,.context,.variant-title{font-size:12pt}.document,.dialogue,.practice,.variant{break-inside:avoid;background:white}.email-body,.turn .en{font-size:14pt}a{color:inherit;text-decoration:none;pointer-events:none}a::after{content:none!important}.practice details:not([open]){display:none}details.faq{break-inside:avoid}.hero{display:block}.hero h1{font-size:30pt}.hero-foot,.test-band{display:none}.hero-message{font-size:28pt}.annotation{font-size:12pt}.message-workbench{break-inside:avoid}.test-shell{min-height:0}mark{background:transparent;color:black;border-bottom:1px solid black}.option,.option-tag,.feedback p{font-size:12pt}.option{break-inside:avoid}.feedback{background:white;color:black;border:1px solid black}}
/* Submitted answers retain their semantic state after selection. */
.option.correct:has(input:checked){border-color:var(--success);background:var(--success-bg)}
.option.incorrect:has(input:checked){border-color:var(--error);background:var(--error-bg)}
.progress-top>span:last-child{text-align:right}
@media print{.screen-source-note{display:none!important}}
.wordmark{min-height:44px}
.crumbs a{display:inline-flex;align-items:center;min-height:44px}
.crumbs{align-items:center}
.hero-message,.social-message{text-wrap:balance}
summary.text-link::after{content:'+';margin-left:8px;font-weight:600}
details[open]>summary.text-link::after{content:'−'}
/* Hover keeps text/background contrast; borders and underlines carry feedback. */
.nav a:hover{background:transparent;text-decoration:underline;text-underline-offset:5px}
.nav a[aria-current=page]:hover{background:var(--paper)}
.button.secondary:hover{background:transparent;color:var(--fg);border-color:var(--fg)}
.document-top .copy:hover{background:var(--surface);color:var(--fg);border-color:var(--fg)}
.option:hover{background:var(--surface);border-color:var(--fg)}
.option:has(input:checked):hover{background:var(--wash);border-color:var(--action)}
.option.correct:hover,.option.correct:has(input:checked):hover{background:var(--success-bg);border-color:var(--success)}
.option.incorrect:hover,.option.incorrect:has(input:checked):hover{background:var(--error-bg);border-color:var(--error)}

/* Compact guide contents: native disclosure below the existing tablet breakpoint. */
.toc-mobile{display:none}
@media(max-width:850px){
  .toc{padding-bottom:0}
  .toc-desktop{display:none}
  .toc-mobile{display:block}
  .toc-mobile>summary{min-height:48px;padding:12px 0;font-weight:550}
  .toc-mobile>nav{padding-bottom:12px}
}