.profit-project{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--canvas:#f7f8fa;--surface:#fff;--surface-low:#f2f4f7;--surface-mid:#e9edf2;--surface-high:#e1e5eb;--ink:#111827;--muted:#4b5563;--subtle:#6b7280;--line:#e5e7eb;--lime:#b7f34d;--green:#166534;--blue:#1d4ed8;--radius:8px;--radius-card:8px;--shadow:0 1px 3px #141b2b0d, 0 1px 2px #141b2b08;--shell:1440px;color:var(--ink);font-synthesis:none;font-family:Manrope,sans-serif}.profit-project *{box-sizing:border-box}.profit-project [hidden]{display:none!important}.profit-project{scroll-behavior:smooth;background:var(--canvas);min-width:320px;min-height:100vh;color:var(--ink);margin:0;font-size:15px;line-height:1.55}.profit-project,.profit-project button,.profit-project input,.profit-project select{font-family:Manrope,sans-serif}.profit-project button,.profit-project a{-webkit-tap-highlight-color:transparent}.profit-project a{color:inherit;text-decoration:none}.profit-project button{color:inherit}.profit-project img{max-width:100%;display:block}.profit-project ::selection{background:var(--lime);color:var(--ink)}.profit-project ::-webkit-scrollbar{width:9px}.profit-project ::-webkit-scrollbar-track{background:var(--canvas)}.profit-project ::-webkit-scrollbar-thumb{border:2px solid var(--canvas);background:#c4cbe0;border-radius:9px}.profit-project :focus-visible{outline-offset:3px;outline:3px solid #0051d559}.profit-project .material-symbols-outlined{white-space:nowrap;font-feature-settings:"liga";-webkit-font-smoothing:antialiased;justify-content:center;align-items:center;font-family:Material Symbols Outlined;font-size:20px;font-weight:400;line-height:1;display:inline-flex}.profit-project .mono{font-family:JetBrains Mono,monospace}.profit-project .eyebrow{color:var(--muted);text-transform:uppercase;font:600 11px/1.45 Manrope,sans-serif}.profit-project .muted{color:var(--muted)}.profit-project .small{font-size:13px}.profit-project .shell{width:min(var(--shell), calc(100% - 48px));margin:0 auto}.profit-project .topbar{z-index:10;height:calc(64px + env(safe-area-inset-top,0px));padding-top:env(safe-area-inset-top,0px);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff0;position:sticky;top:0}.profit-project .topbar-inner{width:min(var(--shell), calc(100% - 48px));justify-content:space-between;align-items:center;gap:20px;height:100%;margin:auto;display:flex}.profit-project .brand{white-space:nowrap;align-items:center;gap:10px;min-width:0;font-size:16px;font-weight:700;display:inline-flex}.profit-project .brand img{object-fit:contain;width:30px;height:30px}.profit-project .brand small{color:var(--muted);text-transform:uppercase;font:600 11px/1.3 Manrope,sans-serif;display:block}.profit-project .topbar-actions{align-items:center;gap:9px;display:flex}.profit-project .button{border-radius:var(--radius);background:var(--surface);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:0 16px;font-size:13px;font-weight:600;transition:background-color .18s,border-color .18s,transform .18s,color .18s;display:inline-flex}.profit-project .button:hover{transform:translateY(-1px)}.profit-project .button:disabled{cursor:not-allowed;opacity:.55;transform:none}.profit-project .button-primary{border-color:var(--lime);background:var(--lime);color:var(--ink)}.profit-project .button-primary:hover{background:#a9e83e}.profit-project .button-lime{background:var(--lime);color:var(--ink)}.profit-project .button-lime:hover{background:#a9e83e}.profit-project .button-quiet{border-color:var(--line);background:var(--surface)}.profit-project .button-quiet:hover,.profit-project .button-soft{background:var(--surface-low)}.profit-project .button-block{width:100%}.profit-project .icon-button{cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:44px;height:44px;padding:0;display:inline-grid}.profit-project .icon-button:hover{background:var(--surface-mid)}.profit-project .avatar{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-size:12px;font-weight:700;display:inline-grid}.profit-project .breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:9px;margin:0 0 20px;font-size:12px;display:flex}.profit-project .breadcrumb .material-symbols-outlined{color:#9aa2b6;font-size:16px}.profit-project .breadcrumb [aria-current]{color:var(--ink);font-weight:600}.profit-project .page-title{letter-spacing:-.03em;margin:0;font-size:clamp(27px,3vw,38px);font-weight:600;line-height:1.15}.profit-project .page-subtitle{max-width:700px;color:var(--muted);margin:8px 0 0}.profit-project .page-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px;display:flex}.profit-project .card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--shadow)}.profit-project .card-pad{padding:24px}.profit-project .pill{background:var(--surface-low);color:var(--ink);text-transform:uppercase;border-radius:6px;align-items:center;gap:6px;padding:5px 9px;font:600 11px/1.4 Manrope,sans-serif;display:inline-flex}.profit-project .pill-lime{color:var(--green);background:#eaf8ce}.profit-project .pill-blue{color:var(--blue);background:#e6eeff}.profit-project .progress{background:var(--surface-high);border-radius:99px;height:8px;overflow:hidden}.profit-project .progress>span{border-radius:inherit;background:var(--lime);height:100%;display:block}.profit-project .section-title{letter-spacing:-.02em;margin:0;font-size:19px;font-weight:600}.profit-project .stat-number{letter-spacing:-.05em;margin-top:7px;font:600 28px/1.2 JetBrains Mono,monospace;display:block}.profit-project .divider{background:var(--line);height:1px}.profit-project .site-frame{min-height:100vh}.profit-project .workspace{grid-template-columns:312px minmax(0,1fr);min-height:calc(100vh - 64px);display:grid}.profit-project .sidebar{border-right:1px solid var(--line);background:var(--surface);flex-direction:column;padding:26px 20px 20px;display:flex}.profit-project .sidebar-brand{color:#566174;letter-spacing:.12em;text-transform:uppercase;padding:2px 18px 29px;font-size:16px;font-weight:700;line-height:1.3}.profit-project .student-nav{align-content:start;gap:28px;min-width:0;display:grid}.profit-project .student-nav-course-group{gap:12px;min-width:0;display:grid}.profit-project .student-nav-course-toggle{width:100%;min-width:0;min-height:68px;color:var(--ink);cursor:pointer;text-align:left;background:#f1fbdf;border:1px solid #b7f34d38;border-radius:19px;grid-template-columns:26px minmax(0,1fr) 20px;align-items:center;gap:15px;padding:0 18px 0 20px;font:650 20px/1.25 Manrope,sans-serif;transition:background-color .18s,border-color .18s,color .18s;display:grid;position:relative;overflow:hidden}.profit-project .student-nav-course-toggle:before{content:"";background:#526d05;border-radius:19px 0 0 19px;width:4px;position:absolute;inset:0 auto 0 0}.profit-project .student-nav-course-toggle>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.profit-project .student-nav-icon{stroke-width:1.8px;flex:none;width:25px;height:25px}.profit-project .student-nav-chevron{color:#566174;justify-self:end;width:20px;height:20px;transition:transform .2s cubic-bezier(.23,1,.32,1)}.profit-project .student-nav-course-toggle[aria-expanded=true] .student-nav-chevron{transform:rotate(180deg)}.profit-project .student-nav-course-panel{opacity:1;grid-template-rows:1fr;min-width:0;transition:grid-template-rows .21s cubic-bezier(.23,1,.32,1),opacity .18s,transform .18s cubic-bezier(.23,1,.32,1);display:grid;transform:translateY(0)}.profit-project .student-nav-course-toggle[aria-expanded=false]+.student-nav-course-panel{opacity:0;pointer-events:none;grid-template-rows:0fr;transform:translateY(-3px)}.profit-project .student-nav-course-list{align-content:start;gap:5px;min-width:0;min-height:0;padding:3px 0 3px 29px;display:grid;position:relative;overflow:hidden}.profit-project .student-nav-course-list:before{content:"";background:#e4e8ef;border-radius:2px;width:2px;position:absolute;top:4px;bottom:4px;left:10px}.profit-project .student-nav-course-link{color:#495442;border-radius:15px;grid-template-columns:10px minmax(0,1fr);align-items:center;gap:13px;min-width:0;min-height:54px;padding:0 12px;font-size:16px;font-weight:500;line-height:1.3;transition:background-color .16s,color .16s;display:grid}.profit-project .student-nav-course-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.profit-project .student-nav-course-dot{background:#cbd5e1;border-radius:50%;width:10px;height:10px;transition:background-color .16s}.profit-project .student-nav-course-link[aria-current=page]{color:var(--ink);background:#f0f1fc;font-weight:600}.profit-project .student-nav-course-link[aria-current=page] .student-nav-course-dot{background:var(--lime)}.profit-project .student-nav-empty{color:var(--muted);margin:0;padding:10px 9px;font-size:12px}.profit-project .student-nav-support{color:#495442;border-radius:12px;align-items:center;gap:16px;min-width:0;min-height:56px;padding:0 18px;font-size:18px;font-weight:500;transition:background-color .16s,color .16s;display:flex}.profit-project .student-nav-support[aria-current=page]{background:var(--surface-low);color:var(--ink)}.profit-project .student-nav-mobile{display:none}.profit-project .student-nav-menu-button,.profit-project .student-nav-close-button{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:9px;place-items:center;padding:0;display:inline-grid}.profit-project .student-nav-menu-button:hover,.profit-project .student-nav-close-button:hover{background:var(--surface-low)}.profit-project .student-nav-menu-button svg,.profit-project .student-nav-close-button svg{width:20px;height:20px}.profit-project .student-nav-drawer{border:0;border-right:1px solid var(--line);background:var(--surface);width:min(360px,100vw - 32px);max-width:none;height:100dvh;max-height:none;color:var(--ink);opacity:0;transition:opacity .18s ease, transform .22s cubic-bezier(.32,.72,0,1), display .22s allow-discrete, overlay .22s allow-discrete;margin:0;padding:0;position:fixed;inset:0 auto 0 0;overflow:auto;transform:translate(-12px);box-shadow:12px 0 36px #11182714}.profit-project .student-nav-drawer[open]{opacity:1;transform:translate(0)}.profit-project .student-nav-drawer::backdrop{background:#11182747;transition:background-color .18s}.profit-project .student-nav-drawer-inner{min-height:100%;padding:max(24px, env(safe-area-inset-top,0px)) 24px max(28px, env(safe-area-inset-bottom,0px))}.profit-project .student-nav-drawer-heading{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.profit-project .student-nav-drawer-heading .eyebrow{color:#566174;letter-spacing:.12em;text-transform:uppercase;font-size:16px;font-weight:700}.profit-project .student-nav-drawer[open]::backdrop{background:#11182747}.profit-project .student-nav-drawer[open]{transition-behavior:allow-discrete}.profit-project .student-nav-drawer:not([open])::backdrop{background:#11182700}.profit-project .student-nav :focus-visible,.profit-project .student-nav-mobile :focus-visible{outline-offset:2px;outline:3px solid #0051d559}@starting-style{.profit-project .student-nav-drawer[open]{opacity:0;transform:translate(-12px)}}.profit-project .workspace-main{min-width:0;padding:28px 30px 48px}.profit-project .toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0 22px;display:flex}.profit-project .toolbar .spacer{flex:1}.profit-project .toolbar input[type=search]{min-height:44px!important}.profit-project .course-sort{display:flex}.profit-project .course-sort select{min-width:178px;color:var(--ink)}.profit-project .sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.profit-project .tab{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;padding:0 13px;font-size:13px}.profit-project .tab:hover{color:var(--ink)}.profit-project .tab[aria-pressed=true]{background:var(--surface-mid);color:var(--ink)}.profit-project .cover{color:#fff;background-color:#2563eb;border-radius:10px;align-items:end;min-height:142px;padding:16px;display:flex;position:relative;overflow:hidden}.profit-project .cover:before,.profit-project .cover:after{content:"";pointer-events:none;position:absolute}.profit-project .cover:before{opacity:.2;background-image:linear-gradient(90deg,#0000 49%,#fff6 50%,#0000 51%),linear-gradient(#0000 49%,#ffffff59 50%,#0000 51%);background-size:30px 30px;inset:0}.profit-project .cover:after{border:1px solid #fff6;border-radius:50%;width:125px;height:125px;top:-30px;right:-15px}.profit-project .cover>*{z-index:1;position:relative}.profit-project .cover-informatics{background:linear-gradient(125deg,#1e3a8a,#2563eb 58%,#60a5fa)}.profit-project .cover-math{background:linear-gradient(125deg,#9a3412,#ea580c 58%,#fb923c)}.profit-project .cover-russian{background:linear-gradient(125deg,#881337,#9f1239 58%,#e11d48)}.profit-project .cover-society{background:linear-gradient(125deg,#312e81,#4f46e5 58%,#818cf8)}.profit-project .cover-physics{background:linear-gradient(125deg,#134e4a,#0f766e 58%,#2dd4bf)}.profit-project .cover-head{justify-content:space-between;align-self:stretch;align-items:flex-start;gap:10px;width:100%;display:flex}.profit-project .cover-title{align-self:end;font-size:19px;font-weight:600}.profit-project .course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.profit-project .course-tile{flex-direction:column;min-width:0;padding:18px;display:flex}.profit-project .course-tile h2{margin:14px 0 7px;font-size:17px;font-weight:600;line-height:1.35}.profit-project .course-tile .teacher{color:var(--muted);align-items:center;gap:9px;margin:2px 0 15px;font-size:12px;display:flex}.profit-project .teacher-avatar{object-fit:cover;border-radius:50%;width:28px;height:28px;overflow:hidden}.profit-project .tile-progress{background:var(--surface-low);border-radius:7px;padding:12px}.profit-project .tile-progress-head{justify-content:space-between;gap:8px;margin-bottom:8px;font-size:12px;display:flex}.profit-project .tile-progress-head strong{font:500 15px JetBrains Mono,monospace}.profit-project .tile-progress-foot{color:var(--muted);justify-content:space-between;gap:8px;margin-top:8px;font:11px JetBrains Mono,monospace;display:flex}.profit-project .tile-next{margin:12px 0 16px;padding:0 2px}.profit-project .tile-next p{margin:5px 0 0;font-size:13px}.profit-project .course-tile>.button{margin-top:auto}.profit-project .promo-card{flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;padding:22px;display:flex}.profit-project .promo-card .material-symbols-outlined{color:var(--green);font-size:28px}.profit-project .promo-card h2{margin:0;font-size:19px}.profit-project .promo-card p{color:var(--muted);margin:0;font-size:13px}.profit-project .mobile-sync{align-items:center;gap:14px;margin-top:24px;padding:16px 20px;display:flex}.profit-project .mobile-sync .material-symbols-outlined{color:var(--blue)}.profit-project .courses-toolbar{border-bottom:1px solid var(--line);padding-bottom:13px}.profit-project .courses-toolbar .tab[aria-pressed=true]{background:var(--surface-mid);color:var(--ink);font-weight:650}.profit-project .course-tile .teacher-avatar-initials{background:var(--surface-mid);color:var(--blue);flex:0 0 30px;place-items:center;font-weight:700;display:grid}.profit-project .course-tile .teacher>span:last-child{gap:2px;display:grid}.profit-project .course-tile .teacher small{color:var(--subtle);font-size:10px}.profit-project .course-tile .course-description{-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0 0 5px;display:-webkit-box;overflow:hidden}.profit-project .course-tile .cover{border-radius:10px;min-height:144px}.profit-project .course-tile .cover:before{opacity:.11;background-size:22px 22px}.profit-project .course-tile .cover:after{opacity:.16;border-width:18px;width:160px;height:160px;top:auto;bottom:-57px;right:-24px}.profit-project .course-tile .cover .pill{color:#fff;background:#ffffff2e;border:0}.profit-project .course-tile .cover .pill-lime{background:var(--lime);color:#18230a}.profit-project .course-tile .course-cover-mark{color:#ffffffbd;stroke-width:1.5px;width:37px;height:37px;position:absolute;bottom:13px;right:18px}.profit-project .course-tile .tile-next p{align-items:flex-start;gap:7px;display:flex}.profit-project .course-tile .tile-next p svg{width:16px;height:16px;color:var(--blue);flex:none}.profit-project .course-first-lesson{border:1px solid var(--line);min-height:58px;color:var(--ink);border-radius:8px;justify-content:space-between;align-items:center;gap:10px;margin:0 0 16px;padding:10px 12px;text-decoration:none;display:flex}.profit-project .course-first-lesson span{gap:4px;min-width:0;display:grid}.profit-project .course-first-lesson small{color:var(--muted);font-size:10px}.profit-project .course-first-lesson strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.profit-project .course-first-lesson>svg{width:17px;height:17px;color:var(--blue);flex:none}.profit-project .courses-empty-title{margin:0 0 6px;font-weight:700}.profit-project .course-hero{justify-content:space-between;align-items:center;gap:24px;padding:32px;display:flex}.profit-project .course-hero h1{letter-spacing:-.03em;margin:9px 0 6px;font-size:clamp(29px,3vw,38px);font-weight:600}.profit-project .course-hero-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 15px;font-size:12px;display:flex}.profit-project .teacher-inline{align-items:center;gap:8px;display:inline-flex}.profit-project .course-hero-actions{flex-wrap:wrap;gap:10px;display:flex}.profit-project .metrics-strip{grid-template-columns:1.2fr repeat(3,1fr);margin-top:14px;padding:20px 25px;display:grid}.profit-project .metric{border-left:1px solid var(--line);padding:0 20px}.profit-project .metric:first-child{border-left:0;padding-left:0}.profit-project .metric:last-child{padding-right:0}.profit-project .metric-label{color:var(--muted);font-size:12px}.profit-project .metric-value{margin-top:4px;font:500 20px JetBrains Mono,monospace;display:block}.profit-project .course-columns{grid-template-columns:minmax(0,1.65fr) minmax(280px,.85fr);gap:20px;margin-top:28px;display:grid}.profit-project .course-main-column,.profit-project .course-aside{align-content:start;gap:17px;min-width:0;display:grid}.profit-project .lesson-feature{grid-template-columns:1fr auto;align-items:center;gap:18px;padding:24px;display:grid}.profit-project .lesson-feature h2{margin:8px 0 5px;font-size:18px}.profit-project .lesson-feature p{color:var(--muted);margin:0;font-size:12px}.profit-project .module-list{gap:10px;display:grid}.profit-project .module{overflow:hidden}.profit-project .module-heading{background:var(--surface);text-align:left;cursor:pointer;border:0;align-items:center;gap:12px;width:100%;padding:17px;display:flex}.profit-project .module-heading:hover{background:#fcfcff}.profit-project .module-heading .module-copy{flex:1;min-width:0}.profit-project .module-heading strong{font-size:14px;font-weight:600;display:block}.profit-project .module-heading small{color:var(--muted);margin-top:3px;font-size:12px;display:block}.profit-project .module-content{padding:0 17px 12px;display:grid}.profit-project .lesson-row{border-top:1px solid var(--line);grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:50px;padding:8px 2px;display:grid}.profit-project .lesson-number{color:var(--muted);font:11px JetBrains Mono,monospace}.profit-project .lesson-row strong{font-size:12px;font-weight:500;display:block}.profit-project .lesson-row small{color:var(--muted);font-size:12px}.profit-project .lesson-state{color:var(--green);font-size:12px}.profit-project .aside-card{padding:20px}.profit-project .aside-card h2{margin:0;font-size:16px;font-weight:600}.profit-project .event-list{gap:11px;margin-top:15px;display:grid}.profit-project .event{background:var(--surface-low);border-radius:8px;grid-template-columns:32px minmax(0,1fr);gap:10px;padding:11px;display:grid}.profit-project .event .material-symbols-outlined{color:var(--blue)}.profit-project .event strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;display:block;overflow:hidden}.profit-project .event small{color:var(--muted);margin-top:3px;font-size:11px;display:block}.profit-project .resource-list{gap:13px;margin-top:15px;display:grid}.profit-project .resource{color:var(--muted);align-items:center;gap:9px;font-size:11px;display:flex}.profit-project .resource .material-symbols-outlined{color:var(--blue)}.profit-project .resource span:nth-child(2){flex:1}.profit-project .instructor-card{grid-template-columns:52px 1fr;align-items:center;gap:12px;display:grid}.profit-project .instructor-card img{object-fit:cover;border-radius:50%;width:52px;height:52px}.profit-project .instructor-card strong{font-size:13px;display:block}.profit-project .instructor-card small{color:var(--muted)}.profit-project 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