:root{--color-text-black: #151313;--color-text-secondary: #737171;--color-text-disable: #c3c3c3;--color-main-white: #ffffff;--color-bg-main: #f3f3f3;--color-line-border: #d0cdcd;--color-line-line: #d0cdcd80;--color-purple: #4544a5;--color-green: #4bb34b;--color-red: #e35153;--color-scrim: #00000033;--shadow-card: 0px 4px 24px 0px #1513130D;--shadow-card-small: 0px 4px 12px 0px #1513130D;--radius-header-desktop: 24px;--radius-panel: 20px;--radius-circle-button: 42px;--radius-pill: 50px;--size-header-height: 64px;--size-subject-bar-height: 56px;--size-control-height: 40px;--size-logo-width: 109px;--size-logo-height: 37px;--size-icon: 20px;--size-footer-desktop-height: 323px;--space-page-margin: 20px;--space-content-margin-desktop: 162px;--space-header-pad-desktop: 24px;--space-header-pad-mobile: 15px;--space-menu-gap-desktop: 24px;--space-footer-pad-mobile: 20px;--space-footer-gap-mobile: 16px;--space-footer-row-step-desktop: 35px;--space-social-gap: 4px;--font-body-s-size: 14px;--font-body-s-weight: 500;--font-body-s-line-height: normal;--font-body-m-size: 16px;--font-body-m-weight: 500;--font-body-m-line-height: normal;--font-body-m-semibold-size: 16px;--font-body-m-semibold-weight: 600;--font-body-m-semibold-line-height: normal;--font-menu-mobile-size: 18px;--font-menu-mobile-weight: 700;--font-menu-mobile-line-height: normal;--font-heading-section-size: 24px;--font-heading-section-weight: 700;--font-heading-section-line-height: normal;--font-heading-section-mobile-size: 20px;--font-heading-section-mobile-weight: 700;--font-heading-section-mobile-line-height: normal;--font-caption-size: 12px;--font-caption-weight: 500;--font-caption-line-height: normal;--font-family-base: "Manrope", sans-serif}@font-face{font-family:Manrope;font-style:normal;font-weight:200 800;font-display:swap;src:url("./manrope-cyrillic.Q5NONAN7.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Manrope;font-style:normal;font-weight:200 800;font-display:swap;src:url("./manrope-latin.JSNP7JN4.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight);color:var(--color-text-black);background:var(--color-bg-main);-webkit-font-smoothing:antialiased}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}ul{margin:0;padding:0;list-style:none}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}img,svg{display:block}.page{min-height:100vh;display:flex;flex-direction:column}.page-main{flex:1 0 auto}.page-title{max-width:634px;margin:96px auto 16px;padding:0 var(--space-page-margin);text-align:center;font-size:var(--font-heading-section-size);font-weight:var(--font-heading-section-weight);line-height:var(--font-heading-section-line-height)}.hero-stub{max-width:634px;margin:0 auto 96px;padding:0 var(--space-page-margin);text-align:center}.hero-stub p{margin:0 0 24px;color:var(--color-text-secondary);font-size:var(--font-body-m-size)}.hero-stub .error-code{margin:0 0 8px;font-size:96px;font-weight:var(--font-heading-section-weight);line-height:normal;color:var(--color-purple)}.button-primary{display:inline-flex;align-items:center;justify-content:center;height:var(--size-control-height);padding:0 24px;border-radius:var(--radius-pill);background:var(--color-purple);color:var(--color-main-white);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight)}@media(max-width:1279.98px){.page-title{font-size:var(--font-heading-section-mobile-size)}}@media print{.header,.footer,.breadcrumbs,.article-aside-left,.article-aside-right,.task-share,.task-solution-toggle,.task-similar,.task-divider,.toast{display:none!important}.task-solution[hidden]{display:flex!important}.task{width:auto;margin:0;padding:0}.task-block{padding:0;border:0;border-radius:0}}.header{padding:12px var(--space-page-margin) 0}.header-bar{position:relative;z-index:43;height:var(--size-header-height);background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);box-shadow:var(--shadow-card-small);display:flex;align-items:center}.header-logo{margin-left:var(--space-header-pad-mobile)}.header-logo svg{width:var(--size-logo-width);height:var(--size-logo-height)}.header-icon-button{position:absolute;top:11px;width:var(--size-control-height);height:var(--size-control-height);border:1px solid var(--color-line-border);border-radius:var(--radius-circle-button);display:flex;align-items:center;justify-content:center}.header-search{right:65px;background:var(--color-bg-main)}.header-burger{right:17px;background:var(--color-main-white)}.header-search svg{width:var(--size-icon);height:var(--size-icon)}.header-burger svg{width:16px;height:11px}.subject-bar{position:relative;z-index:41;margin-top:12px;width:100%;height:var(--size-subject-bar-height);background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);display:flex;align-items:center;justify-content:space-between;padding:0 17px 0 var(--space-header-pad-mobile);font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight)}.subject-bar .subject-label,.header-subject .subject-label{color:var(--color-text-secondary)}.subject-bar svg{width:var(--size-icon);height:var(--size-icon)}.header-subject,.header-menu,.header-meta{display:none}.burger{position:fixed;inset:0;z-index:100;display:none}.burger.is-open{display:block}.burger-scrim{position:absolute;inset:0;background:var(--color-scrim);border:0;border-radius:0;width:100%;height:100%}.burger-panel{position:absolute;top:12px;left:var(--space-page-margin);right:var(--space-page-margin);background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);box-shadow:var(--shadow-card-small);padding:0 var(--space-header-pad-mobile)}.burger-top{position:relative;height:var(--size-header-height);display:flex;align-items:center}.burger-top .header-logo{margin-left:0}.burger-top .header-icon-button{top:11px}.burger-top .header-search{right:50px}.burger-top .header-close{right:2px;border-color:var(--color-purple);background:var(--color-main-white)}.burger-top .header-close svg{width:16px;height:12px}.burger-menu{display:flex;flex-direction:column;gap:8px;padding-top:0}.burger-menu li{border-top:1px solid var(--color-line-line);padding-top:8px}.burger-menu li:first-child{border-top:1px solid var(--color-line-line)}.burger-menu a{display:flex;align-items:center;justify-content:space-between;font-size:var(--font-menu-mobile-size);font-weight:var(--font-menu-mobile-weight)}.burger-menu a svg{width:var(--size-icon);height:var(--size-icon);transform:rotate(-90deg);display:none}.burger-menu a.is-active{color:var(--color-purple)}.burger-menu a.is-active svg{display:block}.burger-menu:after{content:"";border-top:1px solid var(--color-line-line)}.burger-secondary{margin-top:31px;display:flex;flex-direction:column;gap:12px}.burger-secondary a{font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight)}.burger-socials{display:flex;gap:var(--space-social-gap);margin:16px 0}.social-button{width:var(--size-control-height);height:var(--size-control-height);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);background:var(--color-main-white);display:flex;align-items:center;justify-content:center}.social-button svg{width:var(--size-icon);height:var(--size-icon);color:var(--color-purple)}@media(min-width:1280px){.header{padding-top:16px}.header-bar{border-radius:var(--radius-header-desktop);box-shadow:var(--shadow-card)}.header-logo{margin-left:var(--space-header-pad-desktop)}.header-burger,.subject-bar{display:none}.header-subject{display:flex;align-items:center;gap:11px;margin-left:32px;height:var(--size-control-height);padding:0 10px 0 16px;background:var(--color-bg-main);border:1px solid var(--color-line-border);border-radius:var(--radius-pill);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight)}.header-subject svg{width:var(--size-icon);height:var(--size-icon)}.header-search{position:static;margin-left:8px;background:var(--color-bg-main);border-radius:var(--radius-pill)}.header-menu{position:absolute;left:calc(50% + 84px);transform:translate(-50%);display:flex;gap:var(--space-menu-gap-desktop);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight);white-space:nowrap}.header-meta{position:absolute;right:11px;top:50%;transform:translateY(-50%);display:flex;align-items:center}.header-date{margin-right:23px;font-size:var(--font-body-s-size)}.header-account{position:relative;width:78px;height:var(--size-control-height);background:var(--color-bg-main);border:1px solid var(--color-line-border);border-radius:var(--radius-pill)}.header-account .account-bell{position:absolute;left:10px;top:10px;width:18px;height:18px;display:flex;align-items:center;justify-content:center}.header-account .account-bell svg{width:13px;height:14.5px}.header-account .account-dot{position:absolute;left:12px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--color-green);box-shadow:0 0 0 2px var(--color-bg-main)}.header-account .account-badge{position:absolute;right:1px;top:1px;width:36px;height:36px;border-radius:var(--radius-circle-button);background:var(--color-text-black);color:var(--color-main-white);font-size:var(--font-caption-size);font-weight:var(--font-caption-weight);display:flex;align-items:center;justify-content:center}}.header{position:relative;z-index:40}.megamenu{position:absolute;top:100%;left:var(--space-page-margin);right:var(--space-page-margin);margin-top:8px;z-index:40}.megamenu[hidden]{display:none}.megamenu-scrim{position:fixed;inset:0;z-index:-1;width:100%;height:100%;background:var(--color-scrim);border:0;border-radius:0;cursor:default}.megamenu-panel{position:relative;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);box-shadow:var(--shadow-card-small);padding:20px;display:flex;flex-direction:column;gap:16px}.megamenu-title{margin:0 0 16px;font-size:var(--font-body-m-size);font-weight:700;text-align:center;color:var(--color-text-black)}.megamenu-pills{display:flex;flex-wrap:wrap;gap:8px}.megamenu-pills li{flex:1 1 calc(50% - 4px)}.subject-pill{display:flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 16px;border:1px solid var(--color-line-border);border-radius:var(--radius-pill);background:var(--color-main-white);font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight);color:var(--color-text-black);white-space:nowrap}.subject-pill:hover{border-color:var(--color-purple)}.subject-pill.is-active{background:var(--color-purple);border-color:var(--color-purple);color:var(--color-main-white)}.subject-pill-check{display:flex;align-items:center;justify-content:center;width:var(--size-icon);height:var(--size-icon);flex-shrink:0}.subject-pill-check svg{width:var(--size-icon);height:var(--size-icon)}[data-megamenu-trigger][aria-expanded=true] svg{transform:rotate(180deg)}@media(min-width:1280px){.megamenu-panel{border-radius:var(--radius-header-desktop);box-shadow:var(--shadow-card);padding:32px max(20px,calc((100% - 1156px)/2));gap:32px}.megamenu-title{font-size:var(--font-heading-section-mobile-size)}.megamenu-pills{flex-wrap:wrap;gap:16px}.megamenu-pills li{flex:0 1 179px}}@media(max-width:1279.98px){.subject-bar[aria-expanded=true]{border-bottom-color:transparent;border-bottom-left-radius:0;border-bottom-right-radius:0}.megamenu{margin-top:0}.megamenu-panel{border-top-left-radius:0;border-top-right-radius:0}}.search{position:absolute;top:calc(12px + var(--size-header-height) + 8px);left:var(--space-page-margin);right:var(--space-page-margin);z-index:42}.search[hidden]{display:none}.search-scrim{position:fixed;inset:0;z-index:-1;width:100%;height:100%;background:var(--color-scrim);border:0;border-radius:0;cursor:default}.search-panel{position:relative;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);box-shadow:var(--shadow-card-small);padding:16px}.search-field{display:flex;align-items:center;gap:10px;height:48px;padding:0 16px;border:1px solid var(--color-line-border);border-radius:30px}.search-input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-family:var(--font-family-base);font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight);color:var(--color-text-black)}.search-input::placeholder{color:var(--color-text-secondary);opacity:1}.search-input:focus{outline:none}.search-input::-webkit-search-cancel-button{appearance:none}.search-field-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}.search-field-icon,.search-clear{display:flex;align-items:center;justify-content:center}.search-field-icon{color:var(--color-text-black)}.search-clear{color:var(--color-text-disable)}.search-clear[hidden]{display:none}.search-field-icon svg,.search-clear svg{width:var(--size-icon);height:var(--size-icon)}.search-results{display:flex;flex-direction:column;gap:16px;margin-top:16px}.search-results:empty{display:none}.search-empty{margin:16px 0 0;font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight);color:var(--color-text-secondary)}.search-empty[hidden]{display:none}.search-group{display:flex;flex-direction:column}.search-group-label{margin:0 0 16px;font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight);color:var(--color-text-secondary)}.search-group-items{display:flex;flex-direction:column;gap:16px}.search-card{display:flex;flex-direction:column;gap:8px;padding:16px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel)}.search-card.is-active{border-color:var(--color-purple)}.search-card-title{font-size:var(--font-body-m-size);font-weight:700;line-height:1.2;color:var(--color-text-black);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.search-card-meta{display:flex;align-items:center;gap:8px;font-size:var(--font-caption-size);font-weight:400;color:var(--color-text-black)}.search-card-meta-item{display:flex;align-items:center;gap:4px;white-space:nowrap}.search-card-meta-item[hidden]{display:none}.search-card-meta-item svg{flex-shrink:0;width:16px;height:16px;color:var(--color-text-secondary)}[data-search-trigger][aria-expanded=true]{border-color:var(--color-purple)}@media(min-width:1280px){.search{top:calc(16px + var(--size-header-height) + 8px);left:calc(50% - 357px);right:auto;width:714px}.search-panel{box-shadow:var(--shadow-card);padding:24px}.search-field{padding:0 24px}.search-results,.search-empty{margin-top:24px}}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap}.hero,.home{margin:0 auto;padding:0 var(--space-page-margin)}.hero{display:block;margin-top:16px}.hero img,.hero picture{display:block;width:100%;height:auto;border-radius:var(--radius-header-desktop)}.home-section{margin-top:40px}.section-title{margin:0 0 24px;font-size:var(--font-heading-section-mobile-size);font-weight:var(--font-heading-section-weight);line-height:normal;color:var(--color-text-black)}.home-row{display:grid;grid-template-columns:1fr;gap:16px}.home-aside{display:flex;flex-direction:column;gap:16px}.variants-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.variant-card{position:relative;display:flex;align-items:center;justify-content:center;height:40px;padding:0 12px;border:1px solid var(--color-line-border);border-radius:74px;background:var(--color-main-white);color:var(--color-text-black);font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight);text-align:center;white-space:nowrap}.variant-card[hidden]{display:none}.variant-card.is-passed{border:1.5px solid var(--color-green)}.variant-card-dot{display:none;position:absolute;left:20px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--color-green)}.variant-card.is-passed .variant-card-dot{display:block}.variant-card-arrow{display:none;position:absolute;right:12px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;background:var(--color-purple);color:var(--color-main-white);align-items:center;justify-content:center}.variant-card-arrow svg{width:14px;height:14px}@media(min-width:1280px){a.variant-card:hover{border:1.5px solid var(--color-purple);color:var(--color-purple)}a.variant-card:hover .variant-card-arrow{display:flex}a.variant-card.is-passed:hover{border-color:var(--color-green);color:var(--color-green)}a.variant-card.is-passed:hover .variant-card-arrow{background:var(--color-green)}}.variants-show-all{display:block;width:fit-content;margin:24px auto 0;color:var(--color-purple);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight);text-align:center}.promo-card{display:block}.promo-card img,.promo-card picture{display:block;width:100%;height:auto;border-radius:var(--radius-header-desktop)}.checkbox-box{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:20px;height:20px;border:1px solid var(--color-line-border);border-radius:5px;background:var(--color-main-white);color:var(--color-main-white)}.checkbox-box svg{width:14px;height:14px;opacity:0}input[type=checkbox]:checked+.checkbox-box{background:var(--color-purple);border-color:var(--color-purple)}input[type=checkbox]:checked+.checkbox-box svg{opacity:1}input[type=checkbox]:focus-visible+.checkbox-box{outline:2px solid var(--color-purple);outline-offset:2px}.topic-panel{background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);padding:24px}.topic-panel-head{display:flex;justify-content:space-between;margin-bottom:16px;font-size:13px;font-weight:400;color:var(--color-text-secondary)}.topic-node{border-top:1px solid var(--color-line-border)}.topic-node:first-child,.topic-node--child{border-top:0}.topic-row{display:flex;align-items:center;padding:16px 0}.topic-node--child .topic-row{padding:5px 0 5px 32px}.topic-checkbox-label{display:flex;align-items:center;flex:0 0 auto;margin-right:12px;cursor:pointer}.topic-checkbox-label input[type=checkbox],.answer-type input[type=checkbox]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.topic-name{flex:1 1 auto;min-width:0;font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight);color:var(--color-text-black)}.topic-name:hover{color:var(--color-purple)}.topic-num{margin-right:4px}.topic-count{color:var(--color-text-black)}.topic-toggle{display:flex;align-items:center;justify-content:center;width:var(--size-icon);height:var(--size-icon);color:var(--color-text-black);flex-shrink:0}.topic-toggle svg{width:var(--size-icon);height:var(--size-icon);transition:transform .15s ease}.topic-toggle[aria-expanded=true] svg{transform:rotate(180deg)}.topic-children[hidden]{display:none}.topic-stepper{display:flex;align-items:center;gap:4px;flex-shrink:0;width:fit-content;margin-top:8px}.topic-node--child+.topic-stepper{margin-top:12px}.stepper-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid var(--color-line-border);border-radius:50%;color:var(--color-text-black)}.stepper-btn svg{width:14px;height:14px}.stepper-value{min-width:39px;height:24px;display:flex;align-items:center;justify-content:center;border:1px solid var(--color-line-border);border-radius:8px;font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight)}.topic-stepper.is-active .stepper-value{border-color:var(--color-text-black)}.topic-stepper.is-active [data-step-plus]{background:var(--color-text-black);border-color:var(--color-text-black);color:var(--color-main-white)}.constructor-aside{display:flex;flex-direction:column;gap:16px}.constructor-sidebar{background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);padding:24px}.constructor-sidebar-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}.constructor-sidebar-title{font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.constructor-count{font-size:var(--font-body-m-size);font-weight:700;color:var(--color-purple)}.answer-types{border:0;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:12px}.answer-type{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight)}.constructor-submit{display:flex;align-items:center;justify-content:center;width:100%;height:48px;border-radius:30px;background:var(--color-text-black);color:var(--color-main-white);font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight)}.constructor-submit:disabled{background:var(--color-text-disable);cursor:not-allowed}.topic-tree-empty{margin:8px 0 0;color:var(--color-text-secondary);font-size:var(--font-body-s-size)}@media(min-width:1280px){.hero,.home{max-width:1116px;padding:0}.hero{margin-top:48px}.home-section{margin-top:64px}.section-title{font-size:var(--font-heading-section-size)}.home-row{grid-template-columns:minmax(0,1fr) 264px;gap:20px;align-items:start}.variants-grid{grid-template-columns:repeat(3,1fr);column-gap:20px;row-gap:16px}.variant-card{height:48px}.topic-panel-head{position:relative;justify-content:flex-start}.topic-col-count{position:absolute;left:544px;top:0}.topic-node[data-depth="0"]{position:relative}.topic-node[data-depth="0"]>.topic-stepper{position:absolute;top:16px;right:143px;margin-top:0}.topic-tree>.topic-node:first-child{border-top:1px solid var(--color-line-border)}.topic-children{margin-top:-11px;padding-bottom:11px}.topic-tree>.topic-node:last-child>.topic-row{padding-bottom:0}.topic-panel{padding-bottom:20px}.home-aside,.constructor-aside{gap:20px}}@media(max-width:1279.98px){.home-row:not(.constructor){gap:24px}.variant-card.is-passed .variant-card-dot,.topic-panel-head{display:none}.topic-node[data-depth="0"]{padding-bottom:16px}.topic-node[data-depth="0"]>.topic-row{padding-bottom:0}.topic-node[data-depth="0"]>.topic-stepper{margin-top:16px}.topic-tree>.topic-node:first-child>.topic-row{padding-top:0}.topic-tree>.topic-node:last-child{padding-bottom:0}.topic-panel{padding-bottom:20px}}.stats-grid{display:grid;grid-template-columns:1fr;gap:16px;margin:0;padding:0;list-style:none}.stat-card{display:flex;flex-direction:column;justify-content:space-between;min-height:158px;padding:15px 24px 24px 23px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.stat-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.stat-card-value{font-size:48px;font-weight:700;line-height:1;letter-spacing:-1.92px;color:var(--color-text-black)}.stat-card-icon{flex-shrink:0;color:var(--color-purple)}.stat-card-icon svg{width:32px;height:32px}.stat-card-caption{margin:0;max-width:216px;font-size:var(--font-body-s-size);line-height:1.4;color:var(--color-text-black)}.teachers-block{display:flex;flex-direction:column;gap:24px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.teachers-side{display:flex;flex-direction:column;gap:16px}.teachers-block-title{margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.teachers-subtitle{margin:0;font-size:var(--font-body-m-size);font-weight:500;line-height:1.4;color:var(--color-text-black)}.teachers-subjects{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.teachers-subject{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 16px 0 12px;border:1px solid var(--color-line-line);border-radius:52px;background:var(--color-main-white);font-family:var(--font-family-base);font-size:var(--font-body-m-size);font-weight:600;color:var(--color-text-black);cursor:pointer}.teachers-subject:hover{border-color:var(--color-purple)}.teachers-subject.is-active{background:var(--color-purple);border-color:var(--color-purple);color:var(--color-main-white)}.teacher-card{display:flex;flex-direction:column;gap:20px}.teacher-photo{position:relative;overflow:hidden;aspect-ratio:4 / 3;border-radius:var(--radius-header-desktop);background:var(--color-text-black)}.teacher-photo img{width:100%;height:100%;object-fit:cover}.teacher-photo-socials{position:absolute;top:24px;left:24px;z-index:1;display:flex;gap:4px}.teacher-photo-badge{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--color-main-white);color:var(--color-text-black)}.teacher-photo-badge:hover{color:var(--color-purple)}.teacher-photo-badge svg{width:22px;height:22px}.teacher-info{display:flex;flex-direction:column;gap:16px;min-width:0}.teacher-name{margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.teacher-facts{display:flex;flex-direction:column;gap:12px;margin:0;padding:0;list-style:none}.teacher-facts li{position:relative;padding-left:21px;font-size:var(--font-body-s-size);line-height:1.4;color:var(--color-text-black)}.teacher-facts li:before{content:"";position:absolute;left:0;top:7px;width:9px;height:9px;border-radius:50%;background:var(--color-purple)}.teacher-actions{display:flex;flex-wrap:wrap;gap:12px}.teacher-actions .curator-button{width:auto}.faq-list{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}.faq-item{background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.faq-item.is-open{border-color:var(--color-purple)}.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:16px 16px 16px 24px;border:0;background:none;font-family:var(--font-family-base);font-size:var(--font-body-m-size);font-weight:700;text-align:left;color:var(--color-text-black);cursor:pointer}.faq-chevron{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border-radius:50%;background:var(--color-bg-main);color:var(--color-text-black);transition:transform .15s ease}.faq-question[aria-expanded=true] .faq-chevron{background:var(--color-purple);color:var(--color-main-white);transform:rotate(180deg)}.faq-chevron svg{width:20px;height:20px}.faq-answer{padding:0 16px 16px 24px;font-size:var(--font-body-m-size);line-height:1.4;color:var(--color-text-black)}.home-cta{position:relative;overflow:hidden;width:100vw;margin-left:calc(50% - 50vw);margin-top:40px;padding:48px 20px;background:radial-gradient(120% 130% at 50% 0%,#2a2a55 0,#14132b 45%,#0e0d1c);text-align:center}.home-cta-inner{max-width:640px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:24px}.home-cta-title{margin:0;font-size:24px;font-weight:800;line-height:1.1;color:var(--color-main-white)}.home-cta-subtitle{margin:0;font-size:var(--font-body-m-size);font-weight:600;color:var(--color-main-white)}.home-cta-form{display:flex;flex-direction:column;gap:24px;width:100%;margin-top:8px}.home-cta-fields{display:flex;flex-direction:column;gap:20px;width:100%}.home-cta-input{height:48px;padding:0 24px;border:0;border-radius:54px;background:#252525;font-family:var(--font-family-base);font-size:var(--font-body-m-size);color:var(--color-main-white)}.home-cta-input::placeholder{color:#7c7c7c}.home-cta-input:focus{outline:none;box-shadow:0 0 0 1px var(--color-purple)}.home-cta-submit{align-self:center;width:181px;height:48px;border:0;border-radius:54px;background:var(--color-purple);color:var(--color-main-white);font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:600;cursor:pointer}.home-cta-submit:hover{background:#3a3a90}.home-cta-submit:disabled{opacity:.6;cursor:default}.home-cta-consent{margin:0;font-size:var(--font-caption-size);color:#7c7c7c}.home-cta-done{margin:0;font-size:var(--font-body-m-size);font-weight:600;color:var(--color-main-white)}@media(min-width:1280px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:20px}.teachers-block-title{font-size:var(--font-heading-section-size)}.teachers-block{flex-direction:row;padding:32px;gap:32px}.teachers-side{width:312px;flex-shrink:0}.teachers-cards{flex:1;min-width:0}.teacher-card{flex-direction:row;gap:32px;align-items:stretch}.teacher-photo{width:346px;flex-shrink:0;aspect-ratio:auto}.teacher-info{flex:1}.home-cta{padding:96px 24px}.home-cta-title{font-size:33px}.home-cta-fields{flex-direction:row}.home-cta-input{width:310px}}.teacher-card[hidden]{display:none}.teachers-subject-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:26px;height:26px;border-radius:30px;background:var(--color-line-line);color:var(--color-text-black)}.teachers-subject-icon svg{width:14px;height:14px}.teachers-subject.is-active .teachers-subject-icon{background:var(--color-main-white)}.home-cta-title .cta-accent{color:var(--color-purple)}.kb-title{margin:16px auto 0;padding:0 var(--space-page-margin);font-size:var(--font-heading-section-mobile-size);font-weight:var(--font-heading-section-weight);line-height:normal;color:var(--color-text-black);text-align:left}.kb{margin:24px auto -16px;padding:0 var(--space-page-margin)}.articles-filter{position:relative;margin-bottom:24px}.articles-filter-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;height:var(--size-control-height);padding:0 16px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:30px;font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight);color:var(--color-text-black)}.articles-filter-trigger svg{width:var(--size-icon);height:var(--size-icon);transition:transform .15s ease}.articles-filter-trigger[aria-expanded=true] svg{transform:rotate(180deg)}.articles-filter-panel{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:30;display:flex;flex-direction:column;gap:2px;padding:10px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-panel);box-shadow:var(--shadow-card)}.articles-filter-panel[hidden]{display:none}.articles-filter-option{display:flex;align-items:center;height:var(--size-control-height);padding:0 16px;border-radius:32px;font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight);color:var(--color-text-black)}.articles-filter-option.is-active{background:var(--color-bg-main)}.articles-grid{display:grid;grid-template-columns:1fr;gap:16px}.article-card{display:flex;align-items:stretch;gap:12px;padding:16px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.article-card-cover{display:block;flex-shrink:0;align-self:flex-start;width:98px;aspect-ratio:98 / 105;overflow:hidden;border-radius:16px}.article-card-cover img{width:100%;height:100%;object-fit:cover}.article-card-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:12px}.article-card-title{margin:0;font-size:var(--font-body-m-size);font-weight:700;line-height:1.2;color:var(--color-text-black);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-card-author{display:flex;align-items:center;gap:8px;font-size:var(--font-caption-size);font-weight:var(--font-body-m-semibold-weight);color:var(--color-text-black)}.article-card-avatar{flex-shrink:0;width:23px;height:23px;border-radius:50%;object-fit:cover;background:var(--color-bg-main)}.article-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;font-size:var(--font-caption-size);font-weight:400;color:var(--color-text-black)}.article-card-meta-group{display:flex;align-items:center;gap:8px}.article-card-meta-item{display:flex;align-items:center;gap:4px;white-space:nowrap}.article-card-meta-item svg{flex-shrink:0;width:16px;height:16px}.articles-pagination{display:flex;align-items:center;justify-content:center;gap:2px;margin-top:24px}.articles-page{display:flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 4px;border:1px solid transparent;border-radius:8px;font-size:var(--font-body-s-size);font-weight:var(--font-body-m-weight);color:var(--color-text-black)}.articles-page.is-active{border-color:var(--color-line-border)}.articles-page-gap{color:var(--color-text-secondary)}.articles-page-arrow svg{width:16px;height:16px}.articles-page-arrow.is-disabled{color:var(--color-text-disable);pointer-events:none}@media(min-width:1280px){.kb-title{max-width:1116px;padding:0;margin-top:48px;font-size:var(--font-heading-section-size)}.kb{max-width:1116px;padding:0;margin-top:24px;margin-bottom:16px}.articles-filter{display:none}.articles-grid{grid-template-columns:repeat(4,1fr);column-gap:20px;row-gap:20px}.article-card{flex-direction:column;align-items:stretch;gap:16px}.article-card-cover{width:100%;aspect-ratio:232 / 248}.article-card-body{gap:16px;padding:0 8px}.articles-pagination{justify-content:flex-start}}.article{width:min(1400px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.article-layout{display:flex;flex-direction:column;gap:32px}.article-main{order:1;min-width:0}.article-aside-right{order:2}.article-aside-left{order:3}.article-toc-desktop{display:none}.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;list-style:none;font-size:var(--font-body-s-size);font-weight:400;color:var(--color-text-black)}.breadcrumbs-item{display:inline-flex;align-items:center;gap:6px}.breadcrumbs-sep{color:var(--color-text-secondary)}.breadcrumbs-link{color:var(--color-text-black)}.breadcrumbs-link:hover{color:var(--color-purple)}.breadcrumbs-current{color:var(--color-text-black)}@media(max-width:1279.98px){.breadcrumbs-item:last-child{display:none}.article-aside-right{display:none}}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;font-size:var(--font-caption-size);font-weight:400;color:var(--color-text-black)}.article-meta-item{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.article-meta-item svg{width:16px;height:16px}.article-title{margin:12px 0 0;font-size:var(--font-heading-section-mobile-size);font-weight:var(--font-heading-section-weight);line-height:1.37;color:var(--color-text-black)}.article-byline{display:flex;flex-direction:column;gap:16px;margin-top:20px}.article-author{display:flex;align-items:center;gap:8px}.article-author-avatar{flex-shrink:0;width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--color-bg-main)}.article-author-text{display:flex;flex-direction:column;gap:2px}.article-author-label{font-size:var(--font-caption-size);font-weight:400;color:var(--color-text-secondary)}.article-author-name{font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight);color:var(--color-text-black)}.article-share{display:flex;align-items:center;gap:4px}.article-share-label{margin-right:12px;font-size:var(--font-caption-size);color:var(--color-text-secondary)}.article-share-button{display:inline-flex;align-items:center;justify-content:center;width:var(--size-control-height);height:var(--size-control-height);border:1px solid var(--color-line-border);border-radius:50%;background:var(--color-main-white);color:var(--color-purple);transition:background-color .15s ease}.article-share-button:hover{background:var(--color-bg-main)}.article-share-button svg{width:var(--size-icon);height:var(--size-icon)}.article-body{margin-top:32px;display:flex;flex-direction:column;gap:32px}.article-prose{font-size:var(--font-body-s-size);font-weight:400;line-height:1.4;color:var(--color-text-black)}.article-prose>*{margin:0}.article-prose>*+*{margin-top:16px}.article-prose h2{margin-top:32px;font-size:var(--font-menu-mobile-size);font-weight:700;line-height:1.35;scroll-margin-top:24px}.article-prose h3{margin-top:24px;font-size:var(--font-body-m-size);font-weight:700;line-height:1.3}.article-prose>:first-child{margin-top:0}.article-prose ul,.article-prose ol{padding-left:22px}.article-prose li{margin-top:8px}.article-prose ul{list-style:disc}.article-prose ol{list-style:decimal}.article-prose a{color:var(--color-purple);text-decoration:underline}.article-prose strong{font-weight:700}.article-prose code{padding:2px 6px;border-radius:6px;background:var(--color-bg-main);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.article-prose pre{padding:16px;border-radius:12px;background:var(--color-bg-main);overflow-x:auto}.article-prose pre code{padding:0;background:none}.article-prose .code-block{border:1px solid var(--color-line-border);border-radius:12px;background:var(--color-bg-main);overflow:hidden}.code-block__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;border-bottom:1px solid var(--color-line-border)}.code-block__lang{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;letter-spacing:.02em;text-transform:lowercase;color:var(--color-text-secondary)}.code-block__copy{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:none;border-radius:6px;background:none;font:inherit;font-size:13px;color:var(--color-purple);cursor:pointer;transition:background .15s ease,color .15s ease}.code-block__copy:hover{background:#4544a514}.code-block__copy:focus-visible{outline:2px solid var(--color-purple);outline-offset:1px}.code-block__copy.is-copied{color:var(--color-green)}.code-block pre{margin:0;padding:16px;border-radius:0;background:transparent;overflow-x:auto}.code-block pre code{padding:0;background:none}.article-prose .hljs{color:var(--color-text-black)}.article-prose .hljs-keyword,.article-prose .hljs-literal,.article-prose .hljs-meta,.article-prose .hljs-selector-tag{color:var(--color-purple);font-weight:600}.article-prose .hljs-string,.article-prose .hljs-subst,.article-prose .hljs-meta .hljs-string{color:#1f8a3b}.article-prose .hljs-comment,.article-prose .hljs-doctag{color:var(--color-text-secondary);font-style:italic}.article-prose .hljs-number{color:var(--color-red)}.article-prose .hljs-built_in,.article-prose .hljs-type,.article-prose .hljs-class,.article-prose .hljs-attr,.article-prose .hljs-attribute{color:#2a7ab0}.article-prose .hljs-title,.article-prose .hljs-title.function_,.article-prose .hljs-title.class_,.article-prose .hljs-function .hljs-title{color:var(--color-text-black);font-weight:600}.article-prose .hljs-params{color:var(--color-text-black)}.article-prose .hljs-operator,.article-prose .hljs-punctuation{color:var(--color-text-secondary)}.article-table{overflow-x:auto;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);scrollbar-width:none;-ms-overflow-style:none}.article-table::-webkit-scrollbar{display:none}.article-table-bar{display:none;position:relative;height:4px;margin-top:12px;border-radius:10px;background:var(--color-line-border)}.article-table-bar-thumb{position:absolute;top:0;height:4px;min-width:24px;border-radius:10px;background:var(--color-text-black);cursor:grab;touch-action:none}.article-table table{width:100%;min-width:480px;border-collapse:collapse;font-size:var(--font-body-s-size)}.article-table th,.article-table td{padding:12px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--color-line-border);border-right:1px solid var(--color-line-border)}.article-table th:last-child,.article-table td:last-child{border-right:0}.article-table tbody tr:last-child td{border-bottom:0}.article-table thead th{background:var(--color-main-white);color:var(--color-text-secondary);font-size:13px;font-weight:400}.article-table tbody tr:nth-child(odd){background:var(--color-bg-main)}.article-table tbody td:first-child{font-weight:700}.article-prose .katex-display{margin:16px 0;overflow:visible}.article-carousel{position:relative}.article-carousel-viewport{overflow:hidden;border-radius:var(--radius-header-desktop)}.article-carousel-track{display:flex;transition:transform .3s ease}.article-carousel-slide{flex:0 0 100%;width:100%;aspect-ratio:335 / 280;object-fit:cover}.article-carousel-dots{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:6px}.article-carousel-dot{width:8px;height:8px;border-radius:50%;background:#ffffff80;transition:background-color .15s ease}.article-carousel-dot.is-active{background:var(--color-main-white)}.article-carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);display:none;align-items:center;justify-content:center;width:var(--size-control-height);height:var(--size-control-height);border-radius:50%;background:#ffffffd9;color:var(--color-text-black)}.article-carousel-arrow svg{width:16px;height:16px}.article-carousel-arrow-prev{left:12px}.article-carousel-arrow-next{right:12px}.article-video{position:relative;width:100%;aspect-ratio:16 / 9;overflow:hidden;border-radius:var(--radius-header-desktop);background:var(--color-text-black)}.article-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.article-promo{display:flex;flex-direction:column;gap:16px;padding:24px;border-radius:var(--radius-header-desktop);background:var(--color-purple);color:var(--color-main-white)}.article-promo-text{display:flex;flex-direction:column;gap:8px}.article-promo-title{font-size:var(--font-menu-mobile-size);font-weight:700;line-height:1.1}.article-promo-subtitle{font-size:var(--font-body-s-size);font-weight:400;color:#fffc}.article-promo-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.article-promo-button{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 16px;border-radius:var(--radius-pill);background:var(--color-main-white);color:var(--color-text-black);font-size:var(--font-body-s-size);font-weight:700}.article-promo-button svg{width:20px;height:20px}.article-promo-badge{align-self:flex-start;padding:6px 8px;border-radius:8px;background:var(--color-purple);color:var(--color-main-white);font-size:10px;font-weight:700}.article-promo-center{position:relative;overflow:hidden;align-items:center;text-align:center;padding:32px}.article-promo-center>*{position:relative;z-index:1}.article-promo-center .article-promo-text{align-items:center}.article-promo-center .article-promo-subtitle{color:var(--color-text-secondary)}.article-promo-center .article-promo-actions{justify-content:center}.article-promo-center .article-promo-button{background:var(--color-purple);color:var(--color-main-white)}.article-promo-center:before,.article-promo-center:after{content:"";position:absolute;z-index:0;border-radius:50%;background:var(--color-purple);filter:blur(55px);opacity:.6}.article-promo-center:before{width:180px;height:180px;top:-70px;left:-70px}.article-promo-center:after{width:260px;height:260px;bottom:-120px;right:-90px}.article-callout{position:relative;display:flex;flex-direction:column;gap:16px;padding:24px 32px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);overflow:hidden}.article-callout-bar{position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--color-purple)}.article-callout-warning .article-callout-bar{background:#ffa833}.article-callout-card{overflow:visible}.article-callout-card .article-callout-bar{display:none}.article-callout-head{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:6px 10px;border-radius:7px;background:var(--color-bg-main);font-size:var(--font-caption-size);font-weight:600;color:var(--color-purple)}.article-callout-warning .article-callout-head{color:#ffa833}.article-callout-head svg{width:18px;height:18px}.article-callout-text{font-size:var(--font-body-m-size);font-weight:var(--font-body-m-semibold-weight);line-height:1.4;color:var(--color-text-black)}.article-callout-text>*{margin:0}.article-callout-text>*+*{margin-top:12px}.article-faq{display:flex;flex-direction:column;gap:8px}.article-faq-title{margin:0 0 16px;font-size:var(--font-menu-mobile-size);font-weight:700;color:var(--color-text-black)}.article-faq-item{background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);padding:16px 16px 16px 24px}.article-faq-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;list-style:none}.article-faq-summary::-webkit-details-marker{display:none}.article-faq-question{font-size:var(--font-body-m-size);font-weight:700;line-height:1.37;color:var(--color-text-black)}.article-faq-toggle{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--color-bg-main);color:var(--color-text-black);transition:background-color .15s ease,color .15s ease}.article-faq-toggle svg{width:16px;height:16px;transition:transform .2s ease}.article-faq-item[open] .article-faq-toggle{background:var(--color-purple);color:var(--color-main-white)}.article-faq-item[open] .article-faq-toggle svg{transform:rotate(180deg)}.article-faq-answer{margin-top:16px;font-size:var(--font-body-s-size);font-weight:400;line-height:1.4;color:var(--color-text-black)}.article-faq-answer>*{margin:0}.article-faq-answer>*+*{margin-top:12px}.article-summary{display:flex;flex-direction:column;gap:24px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.article-summary-title{margin:0;font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.article-summary-list{display:flex;flex-direction:column;gap:12px;margin:0;padding:0;list-style:none}.article-summary-item{display:flex;align-items:flex-start;gap:12px}.article-summary-num{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:33px;height:28px;padding:0 10px;border-radius:7px;background:var(--color-bg-main);color:var(--color-purple);font-size:var(--font-caption-size);font-weight:700}.article-summary-text{font-size:var(--font-body-s-size);font-weight:700;line-height:1.4;color:var(--color-text-black)}.article-cta{position:relative;overflow:hidden;padding:28px;border-radius:var(--radius-header-desktop);background:var(--color-text-black);color:var(--color-main-white)}.article-cta-decor{position:absolute;right:-40px;bottom:-60px;width:160px;height:160px;border-radius:50%;background:var(--color-purple);opacity:.55}.article-cta-body{position:relative;display:flex;flex-direction:column;gap:16px;align-items:flex-start}.article-cta-title{margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;line-height:1.25}.article-cta-button{display:inline-flex;align-items:center;height:48px;padding:0 16px;border-radius:var(--radius-pill);background:var(--color-purple);color:var(--color-main-white);font-size:var(--font-body-s-size);font-weight:700}.toc{padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.toc-head{display:flex;align-items:center;justify-content:space-between;font-size:var(--font-caption-size);font-weight:500;color:var(--color-text-secondary)}.toc-progress{margin-top:16px;height:6px;border-radius:10px;background:var(--color-bg-main);overflow:hidden}.toc-bar{display:block;width:0;height:100%;border-radius:10px;background:var(--color-purple);transition:width .2s ease}.toc-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}.toc-link{position:relative;display:block;font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight);line-height:1.2;color:var(--color-text-black)}.toc-link:hover{color:var(--color-purple)}.toc-link.is-active{padding-left:16px;color:var(--color-purple)}.toc-link.is-active:before{content:"";position:absolute;left:0;top:.5em;width:8px;height:8px;border-radius:50%;background:var(--color-purple)}.promo-course{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:16px;padding:24px;border-radius:var(--radius-header-desktop);background:var(--color-text-black);color:var(--color-main-white)}.promo-course-decor{position:absolute;right:-17px;bottom:-15px;width:123px;height:123px;border-radius:50%;background:var(--color-purple);opacity:.55}.promo-course-decor-2{inset:-19px auto auto -23px;width:109px;height:109px;opacity:.4}.promo-course-title{position:relative;margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;line-height:1.15}.promo-course-button{position:relative;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;height:var(--size-control-height);padding:0 20px;border-radius:8px;background:var(--color-purple);color:var(--color-main-white);font-size:var(--font-body-s-size);font-weight:var(--font-body-m-semibold-weight)}.promo-course-button svg{width:14px;height:14px}.article-top{padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.article-top-label{font-size:var(--font-caption-size);font-weight:500;color:var(--color-text-secondary)}.article-top-list{margin-top:16px;display:flex;flex-direction:column}.article-top-list .article-card{flex-direction:row;align-items:flex-start;gap:12px;padding:12px 0;border:0;border-radius:0}.article-top-list .article-card+.article-card{border-top:1px solid var(--color-line-border)}.article-top-list .article-card:first-child{padding-top:0}.article-top-list .article-card-cover{width:66px;aspect-ratio:66 / 75;border-radius:12px}.article-top-list .article-card-body{gap:8px;padding:0}.article-top-list .article-card-title{font-size:var(--font-body-s-size);line-height:1.1;-webkit-line-clamp:3}.article-top-list .article-card-author{display:none}.article-top-list .article-card-meta>.article-card-meta-item,.article-top-list .article-card-meta-group>.article-card-meta-item:first-child{display:none}.article-top-all{display:inline-block;margin-top:16px;padding-top:16px;border-top:1px solid var(--color-line-border);width:100%;font-size:var(--font-body-s-size);font-weight:500;color:var(--color-purple)}.article-related{margin-top:48px}.article-related-title{margin:0 0 24px;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.toc-fab{position:fixed;right:16px;bottom:16px;z-index:50;display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--color-purple);color:var(--color-main-white);box-shadow:var(--shadow-card)}.toc-fab-icon{display:inline-flex}.toc-fab-icon svg{width:24px;height:24px}.toc-fab-shut,.toc-fab[aria-expanded=true] .toc-fab-open{display:none}.toc-fab[aria-expanded=true] .toc-fab-shut{display:inline-flex}.toc-modal{position:fixed;inset:0;z-index:49}.toc-modal[hidden]{display:none}.toc-modal-scrim{position:absolute;inset:0;background:var(--color-scrim)}.toc-modal-panel{position:absolute;left:16px;right:16px;bottom:84px;max-height:70vh;overflow-y:auto}.toc-modal-panel .toc{box-shadow:var(--shadow-card)}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(10px);z-index:60;padding:10px 20px;border-radius:var(--radius-pill);background:var(--color-text-black);color:var(--color-main-white);font-size:var(--font-body-s-size);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}.toast.is-visible{opacity:1;transform:translate(-50%) translateY(0)}@media(min-width:1280px){.article{margin-top:24px}.article-layout{display:grid;grid-template-columns:264px minmax(0,1fr) 264px;gap:48px;align-items:start}.article-main,.article-aside-left,.article-aside-right{order:0}.article-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px}.article-toc-desktop{display:block}.article-title{font-size:var(--font-heading-section-size)}.article-byline{flex-direction:row;align-items:center;justify-content:space-between}.article-body{margin-top:32px}.article-prose{font-size:var(--font-body-m-size);line-height:1.375}.article-prose h2,.article-faq-title{font-size:var(--font-heading-section-mobile-size)}.article-faq-answer{font-size:var(--font-body-m-size);line-height:1.375}.article-summary-text{font-size:var(--font-body-m-size)}.article-promo{flex-direction:row;align-items:center;justify-content:space-between;padding:32px}.article-promo-title{font-size:var(--font-heading-section-size)}.article-promo-button{flex-shrink:0}.article-promo-center{flex-direction:column;align-items:center}.article-carousel-slide{aspect-ratio:776 / 440}.article-carousel-arrow{display:flex}.article-cta{padding:36px 40px}.article-cta-body{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}.article-cta-title{max-width:60%;font-size:var(--font-heading-section-size)}.article-related{margin-top:64px}.article-related-title{font-size:var(--font-heading-section-size)}.article-related-grid{grid-template-columns:repeat(3,1fr)}.toc-fab,.toc-modal{display:none}}.breadcrumbs-plain{color:var(--color-text-secondary)}.topic-page{width:min(1400px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0;padding-bottom:64px}.topic-page-title{margin:16px 0 0;font-size:var(--font-heading-section-mobile-size);font-weight:var(--font-heading-section-weight);line-height:normal;color:var(--color-text-black)}.topic-page-description{margin-top:16px}.topic-tasks-empty{margin:24px 0 0;color:var(--color-text-secondary);font-size:var(--font-body-m-size)}.task-blocks{margin-top:24px;display:flex;flex-direction:column;gap:16px}@media(min-width:1280px){.topic-page{margin-top:24px}.topic-page-title{font-size:var(--font-heading-section-size)}.task-blocks{margin-top:32px;gap:20px}}.task-block{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);scroll-margin-top:24px}.task-block-head{margin:0;font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.task-block-id{color:var(--color-purple);text-decoration:underline}.task-block-images{display:flex;flex-direction:column;gap:16px}.task-block-image img{max-width:100%;height:auto;border-radius:16px;min-height:240px}.task-solution-toggle{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;font-size:var(--font-body-s-size);font-weight:400;color:var(--color-text-black)}.task-solution-toggle-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--color-line-border);color:var(--color-main-white);transition:background-color .15s ease}.task-solution-toggle-icon svg{width:14px;height:14px;transition:transform .15s ease}.task-solution-toggle[aria-expanded=true] .task-solution-toggle-icon{background:var(--color-purple)}.task-solution-toggle[aria-expanded=true] .task-solution-toggle-icon svg{transform:rotate(180deg)}.task-solution[hidden]{display:none}.task-solution{display:flex;flex-direction:column;gap:16px}.task-divider{margin:0;border:0;border-top:1px solid var(--color-line-line)}.task-solution-title,.task-answer{margin:0;font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.task-answer-value{color:var(--color-purple)}.task-source,.task-similar{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.task-meta-label{font-size:var(--font-body-s-size);font-weight:400;color:var(--color-text-secondary)}.task-similar-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.task-tab{display:inline-flex;align-items:center;height:40px;padding:6px 16px;border:1px solid var(--color-line-border);border-radius:30px;font-size:var(--font-body-s-size);font-weight:600;color:var(--color-text-black);background:transparent;text-decoration:none;white-space:nowrap}a.task-tab:hover{background:var(--color-bg-main)}.task{width:min(1400px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.task-head{display:flex;flex-direction:column;gap:16px;margin-bottom:16px}.task-heading{margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:var(--font-heading-section-weight);line-height:1.3;color:var(--color-text-black)}.task-share{display:flex;align-items:center;gap:4px}.task-share-label{margin-right:12px;font-size:var(--font-caption-size);color:var(--color-text-secondary)}@media(min-width:1280px){.task{margin-top:24px}.task-head{flex-direction:row;align-items:center;justify-content:space-between;margin-top:24px;margin-bottom:24px}.task-heading{font-size:var(--font-heading-section-size)}.task .task-block{border-radius:32px}.task-source,.task-similar{flex-direction:row;align-items:center}}@media(max-width:1279.98px){.task .article-main{display:flex;flex-direction:column;gap:16px}.task .task-head{display:contents}.task .task-share{order:1}}.variants-archive{width:min(1400px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.variants-archive-title{margin:16px 0 0;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.variants-archive-empty{margin-top:24px;color:var(--color-text-secondary)}.archive-year{margin-top:32px}.archive-year+.archive-year{margin-top:32px;padding-top:32px;border-top:1px solid var(--color-line-border)}.archive-year-label{margin:0 0 16px;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.archive-wave+.archive-wave{margin-top:24px}.archive-wave-label{margin:0 0 12px;font-size:var(--font-body-m-size);font-weight:600;color:var(--color-text-secondary)}.archive-grid{display:grid;grid-template-columns:1fr;gap:16px}.archive-card{display:flex;flex-direction:column;justify-content:space-between;gap:24px;min-height:136px;padding:20px 24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);box-shadow:var(--shadow-card);transition:border-color .15s ease}.archive-card:hover{border-color:var(--color-purple)}.archive-card.is-passed{border-color:var(--color-green)}.archive-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.archive-card-title{font-size:var(--font-body-m-size);font-weight:700;line-height:1.25;color:var(--color-text-black)}.archive-card-badge{flex-shrink:0;padding:5px 10px;border-radius:7px;background:var(--color-bg-main);font-size:var(--font-caption-size);font-weight:600;color:var(--color-text-black)}.archive-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}.archive-card-number{font-size:var(--font-body-s-size);font-weight:500;color:var(--color-text-black)}.archive-card-arrow{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--color-purple);color:var(--color-main-white)}.archive-card-arrow svg{width:14px;height:14px}@media(min-width:1280px){.variants-archive{margin-top:24px}.variants-archive-title{font-size:var(--font-heading-section-size)}.archive-year{display:grid;grid-template-columns:278px minmax(0,1fr);gap:20px;align-items:start}.archive-year-label{margin:0}.archive-grid{grid-template-columns:repeat(3,264px);justify-content:start;gap:20px}.archive-card{min-height:128px}}.variant-solve{width:min(1400px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.vs-layout{display:grid;grid-template-columns:1fr;grid-template-areas:"head" "side" "tasks" "promo";gap:24px}.vs-head{grid-area:head;padding-bottom:24px;border-bottom:1px solid var(--color-line-border)}.vs-tasks{grid-area:tasks;display:flex;flex-direction:column;gap:16px}.vs-promo{grid-area:promo}.vs-side{grid-area:side;display:flex;flex-direction:column;gap:16px}.vs-title-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:16px}.vs-title{margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.vs-print{margin-top:16px;height:var(--size-control-height);padding:0 20px;border:1px solid var(--color-line-border);border-radius:var(--radius-pill);background:var(--color-main-white);font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:500;color:var(--color-text-black);cursor:pointer}.vs-print:hover{border-color:var(--color-purple);color:var(--color-purple)}.variant-progress{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.variant-progress-title{font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.variant-progress-bar{height:8px;border-radius:var(--radius-pill);background:var(--color-line-border);overflow:hidden}.variant-progress-fill{display:block;width:0;height:100%;border-radius:var(--radius-pill);background:var(--color-purple);transition:width .2s ease}.variant-progress-nums{display:flex;justify-content:space-between;font-size:var(--font-body-s-size);font-weight:600;color:var(--color-text-black)}.solve-task{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.solve-task-head{margin:0;font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.solve-task-id{color:var(--color-purple)}.solve-task-id:hover{text-decoration:underline}.solve-answer{display:flex;flex-direction:column;gap:12px}.solve-answer-label{font-size:var(--font-body-m-size);font-weight:700;color:var(--color-text-black)}.solve-answer-input{height:48px;padding:0 20px;border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);background:var(--color-bg-main);font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:500;color:var(--color-text-black)}.solve-answer-input::placeholder{color:var(--color-text-secondary)}.solve-answer-input:focus{outline:none;border-color:var(--color-purple)}.solve-answer-input.is-correct{border-color:var(--color-green);background:#4bb34b14}.solve-answer-input.is-wrong{border-color:var(--color-red);background:#e3515314}.vs-check{height:48px;border:none;border-radius:var(--radius-pill);background:var(--color-purple);color:var(--color-main-white);font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:600;cursor:pointer}.vs-check:hover{background:#3a3a90}@media(min-width:1280px){.variant-solve{margin-top:24px}.vs-layout{grid-template-columns:264px minmax(0,1fr) 264px;grid-template-areas:"promo head  side" "promo tasks side";column-gap:48px;row-gap:20px;align-items:start}.vs-promo,.vs-side{position:sticky;top:24px;align-self:start}.vs-title-row{margin-top:24px}.vs-title{font-size:var(--font-heading-section-size)}.solve-task-head{font-size:18px}}@media(max-width:1279.98px){.vs-articles{display:none}}@media print{.vs-promo,.vs-side,.vs-print,.vs-head .task-share,.vs-check{display:none}}.teachers{width:min(1116px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.teachers-title{margin:0 0 24px;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.teachers-empty{color:var(--color-text-secondary)}.teachers-grid{display:grid;grid-template-columns:1fr;gap:16px;margin:0;padding:0;list-style:none}.curator-card{list-style:none}.curator-card-link{display:flex;flex-direction:row;gap:16px;padding:16px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop);transition:border-color .15s ease}.curator-card-link:hover{border-color:var(--color-purple)}.curator-card-photo{display:block;flex-shrink:0;align-self:flex-start;width:110px;aspect-ratio:1;overflow:hidden;border-radius:var(--radius-header-desktop);background:var(--color-bg-main)}.curator-card-photo img{width:100%;height:100%;object-fit:cover}.curator-card-body{display:flex;flex-direction:column;gap:8px;min-width:0;padding:0 8px}.curator-card-name{order:-1;font-size:var(--font-body-m-size);font-weight:700;line-height:1.2;color:var(--color-text-black)}.curator-card-exp{margin-top:auto;font-size:var(--font-body-s-size);color:var(--color-text-black)}.curator-card-exp-label{color:var(--color-text-secondary);font-weight:500}.curator-card-exp b{font-weight:700;white-space:nowrap}.curator-badge{align-self:flex-start;padding:9px 12px;border-radius:var(--radius-pill);background:var(--color-bg-main);font-size:var(--font-body-s-size);font-weight:600;line-height:1;color:var(--color-text-black);white-space:nowrap}.curator{width:min(776px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.curator-back{display:inline-flex;align-items:center;gap:4px;font-size:var(--font-body-s-size);font-weight:500;color:var(--color-text-black)}.curator-back:hover{color:var(--color-purple)}.curator-back svg{width:16px;height:16px}.curator .breadcrumbs{display:none}.curator-profile{display:grid;grid-template-columns:67px minmax(0,1fr);grid-template-areas:"photo   name" "photo   socials" "badge   badge" "facts   facts" "divider divider" "actions actions";column-gap:13px;row-gap:8px;align-items:start;margin-top:16px;padding:24px;background:var(--color-main-white);border:1px solid var(--color-line-border);border-radius:var(--radius-header-desktop)}.curator-profile-aside,.curator-profile-body,.curator-profile-head{display:contents}.curator-profile-photo{grid-area:photo;width:67px;height:67px;object-fit:cover;border-radius:16px;background:var(--color-bg-main)}.curator-profile-name{grid-area:name;align-self:start;margin:0;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.curator-profile-socials{grid-area:socials;align-self:start;display:flex;gap:4px}.curator-social{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--color-line-line);border-radius:50%;background:var(--color-main-white);color:var(--color-text-black)}.curator-social:hover{color:var(--color-purple)}.curator-social svg{width:18px;height:18px}.curator-profile .curator-badge{grid-area:badge;justify-self:start;margin-top:8px}.curator-facts{grid-area:facts;display:flex;flex-direction:column;gap:12px;margin:8px 0 0;padding:0;list-style:none}.curator-facts li{position:relative;padding-left:21px;font-size:var(--font-body-s-size);line-height:1.4;color:var(--color-text-black)}.curator-facts li:before{content:"";position:absolute;left:0;top:7px;width:9px;height:9px;border-radius:50%;background:var(--color-purple)}.curator-profile-divider{grid-area:divider;width:100%;height:1px;margin:16px 0 0;border:0;background:var(--color-line-border)}.curator-profile-actions{grid-area:actions;display:flex;flex-direction:column;gap:12px;margin-top:16px}.curator-button{display:inline-flex;align-items:center;justify-content:center;width:100%;height:48px;padding:0 24px;border-radius:var(--radius-pill);font-family:var(--font-family-base);font-size:var(--font-body-s-size);font-weight:600;cursor:pointer}.curator-button-primary{border:none;background:var(--color-purple);color:var(--color-main-white)}.curator-button-primary:hover{background:#3a3a90}.curator-button-outline{border:1px solid var(--color-line-border);background:var(--color-main-white);color:var(--color-text-black)}.curator-button-outline:hover{border-color:var(--color-purple);color:var(--color-purple)}.curator-articles{margin-top:48px}.curator-articles-title{margin:0 0 24px;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.curator-articles-grid{display:grid;grid-template-columns:1fr;gap:20px;margin:0 0 32px;padding:0;list-style:none}.curator-articles-grid .article-card-author{display:none}.static-page{width:min(776px,calc(100% - 2 * var(--space-page-margin)));margin:16px auto 0}.static-page-title{margin:16px 0 24px;font-size:var(--font-heading-section-mobile-size);font-weight:700;color:var(--color-text-black)}.lightbox{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}.lightbox[hidden]{display:none}.lightbox-scrim{position:absolute;inset:0;border:0;background:#000000b3;cursor:zoom-out}.lightbox-body{position:relative;max-width:min(900px,100%)}.lightbox-img{display:block;max-width:100%;max-height:85vh;border-radius:var(--radius-header-desktop);background:var(--color-main-white)}.lightbox-close{position:absolute;top:-44px;right:0;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:50%;background:var(--color-main-white);color:var(--color-text-black);cursor:pointer}.lightbox-close svg{width:14px;height:12px}@media(min-width:1280px){.teachers{margin-top:24px}.teachers-title{font-size:var(--font-heading-section-size)}.teachers-grid{grid-template-columns:repeat(4,1fr);gap:20px}.curator-card-link{flex-direction:column}.curator-card-photo{width:100%}.curator-card-name{order:0}.curator-card-exp{margin-top:0}.curator{margin-top:24px}.curator-back{display:none}.curator .breadcrumbs{display:block}.curator-profile{display:flex;flex-direction:row;align-items:flex-start;gap:24px;padding:32px}.curator-profile-aside{display:flex;flex-direction:column;gap:16px;flex-shrink:0}.curator-profile-body{display:flex;flex-direction:column;gap:16px;flex:1;min-width:0}.curator-profile-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.curator-profile-photo{width:170px;height:170px;border-radius:var(--radius-header-desktop)}.curator-profile-name{font-size:var(--font-heading-section-size)}.curator-social{width:40px;height:40px}.curator-social svg{width:var(--size-icon);height:var(--size-icon)}.curator-profile .curator-badge,.curator-facts,.curator-profile-divider,.curator-profile-actions{margin-top:0}.curator-profile-actions{flex-direction:row;gap:16px;justify-content:space-between}.curator-button{width:auto}.curator-articles-title{font-size:var(--font-heading-section-size)}.curator-articles-grid{grid-template-columns:repeat(3,1fr)}.static-page{margin-top:24px}.static-page-title{font-size:var(--font-heading-section-size)}}.footer{flex-shrink:0;margin-top:64px;background:var(--color-bg-main);border-top:1px solid var(--color-line-line);padding:var(--space-footer-pad-mobile);display:flex;flex-direction:column;gap:var(--space-footer-gap-mobile)}.footer-brand{display:flex;align-items:center;justify-content:space-between}.footer-logo svg{width:var(--size-logo-width);height:var(--size-logo-height)}.footer-socials{display:flex;gap:var(--space-social-gap)}.footer .social-button{border-color:var(--color-line-border)}.footer-description{margin:0;color:var(--color-text-secondary);font-size:var(--font-body-s-size)}.footer-divider{border:0;border-top:1px solid var(--color-line-line);margin:0;width:100%}.footer-section-title{display:none}.footer-section-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;font-size:var(--font-body-m-size);font-weight:var(--font-body-m-weight)}.footer-section-toggle svg{width:var(--size-icon);height:var(--size-icon);transition:transform .15s ease}.footer-section.is-open .footer-section-toggle{color:var(--color-text-secondary)}.footer-section.is-open .footer-section-toggle svg{transform:rotate(180deg)}.footer-section-links{display:none;flex-direction:column;gap:var(--space-footer-gap-mobile);margin-top:var(--space-footer-gap-mobile);font-size:var(--font-body-m-size)}.footer-section.is-open .footer-section-links{display:flex}.footer-bottom{display:flex;flex-direction:column;gap:var(--space-footer-gap-mobile);font-size:var(--font-body-s-size)}.footer-copyright{color:var(--color-text-secondary);order:1}@media(min-width:1280px){.footer{position:relative;display:block;height:var(--size-footer-desktop-height);padding:0}.footer-brand{position:absolute;left:var(--space-content-margin-desktop);top:23px;display:block}.footer-description{position:absolute;left:var(--space-content-margin-desktop);top:76px;width:263px}.footer-socials{position:absolute;left:0;top:168px}.footer .social-button{border-color:var(--color-line-line)}.footer-section{position:absolute;top:32px}.footer-section--blog{left:calc(40% + 40px)}.footer-section--courses{left:calc(60% - 20px)}.footer-section--docs{left:calc(80% - 81px)}.footer-section-title{display:block;margin:0;color:var(--color-text-secondary);font-size:var(--font-body-s-size);font-weight:var(--font-body-s-weight)}.footer-section-toggle{display:none}.footer-section-links{display:flex;gap:16px;margin-top:16px;font-size:var(--font-body-s-size)}.footer-section.is-open .footer-section-links{display:flex}.footer-divider{display:none}.footer-divider--bottom{display:block;position:absolute;left:var(--space-page-margin);right:var(--space-page-margin);top:255px;width:auto}.footer-bottom{position:absolute;left:var(--space-content-margin-desktop);right:var(--space-content-margin-desktop);top:279px;flex-direction:row;align-items:center}.footer-copyright{order:0;margin-right:auto}.footer-bottom a+a{margin-left:24px}}