:root{--white:#ffffff;--navy:#000080;--royal-blue:#0047AB;--azure:#E3F2FD;--orange:#FF8C00;--text-dark:#000;--text-light:#666;--border-light:#eee}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:20px;scrollbar-gutter:stable}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;color:var(--text-dark);line-height:1.6;background:var(--white)}.navbar{background:rgba(255,255,255,0.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid #e5e5e5;padding:0.5rem 1rem;position:fixed;top:0;left:0;right:0;z-index:9999 !important;width:100%;transition:opacity 0.2s ease;opacity:1 !important;visibility:visible !important;display:block !important}.navbar-container{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:0.75rem;flex-wrap:wrap}.navbar-logo{display:none;font-size:1.25rem;font-weight:700;color:var(--navy);text-decoration:none;flex-shrink:0}.navbar-logo:hover{opacity:0.8}.navbar-menu{display:flex !important;gap:1.5rem;flex:1;min-width:0;visibility:visible}.navbar-link{text-decoration:none;color:#333 !important;font-weight:500;font-size:0.8rem !important;transition:color 0.3s ease;white-space:nowrap;display:inline-block !important;visibility:visible !important;opacity:1 !important}.navbar-link:hover{color:#000080}.navbar-link.active{color:#000080;font-weight:600;border-bottom:2px solid #0047AB}.navbar-right{display:flex;align-items:center;gap:0.5rem;flex-wrap:nowrap}.lang-select{padding:0.3rem 0.5rem;border:1px solid #ddd;border-radius:4px;background:var(--white);color:var(--text-dark);font-size:0.7rem;cursor:pointer;flex-shrink:0}.twitter-icon{display:none;font-size:1.2rem}.navbar-login,.navbar-signup,.navbar-account,.navbar-logout{border:1px solid #000080;padding:0.1rem 0.2rem;border-radius:3px;font-weight:500;font-size:0.75rem;cursor:pointer;transition:all 0.3s ease;display:inline-flex !important;align-items:center;white-space:nowrap;background:transparent;color:#0047AB}.navbar-login:hover,.navbar-account:hover,.navbar-logout:hover{border-color:#0047AB;color:white}.navbar-signup,.navbar-signup-mobile{background:#0052a3 !important;color:white !important;border-color:#0052a3 !important;font-weight:normal}.navbar-signup:hover,.navbar-signup-mobile:hover{font-weight:bold}.navbar-logout{flex:0 0 auto;padding:0.1rem 0.15rem}.navbar-signup-mobile{display:none !important}.navbar-link--desktop-only{display:none !important}.navbar-spacer{display:none}#navbar-auth{display:flex;align-items:center;gap:0.3rem;flex-wrap:nowrap}#navbar-auth .navbar-login,#navbar-auth .navbar-signup,#navbar-auth .navbar-account{flex:1 1 auto;text-align:center;min-width:50px}.navbar-signup{display:none !important}.navbar-signup-mobile{display:inline-flex !important}@media (min-width:1024px){.navbar{padding:0.5rem 2rem}.navbar-logo{display:block}.navbar-menu{gap:2.5rem;flex:1}.navbar-link{font-size:0.95rem;color:#333}.navbar-right{gap:1.5rem}.lang-select{padding:0.5rem 0.75rem;font-size:0.9rem}.twitter-icon{display:inline-block}.navbar-link--desktop-only{display:inline-block !important}.navbar-signup{display:inline-flex !important}.navbar-signup-mobile{display:none !important}.navbar-login,.navbar-signup,.navbar-account,.navbar-logout{padding:0.3rem 0.6rem;font-size:0.85rem}#navbar-auth{width:auto;gap:0.8rem}#navbar-auth .navbar-login,#navbar-auth .navbar-signup,#navbar-auth .navbar-account{flex:0 1 auto;min-width:auto;text-align:left}}main{margin-top:50px;padding-top:1rem;padding-left:1rem;padding-right:1rem}.breadcrumbs{max-width:1400px;margin:0 0 0.4rem 0;padding:0 0.4rem;font-size:0.95rem;color:var(--text-light);flex:1}.breadcrumbs a{color:var(--royal-blue);text-decoration:none;transition:color 0.3s ease}.breadcrumbs a:hover{color:var(--navy);text-decoration:underline}.breadcrumb-separator{margin:0 0.5rem;color:var(--text-light)}.breadcrumb-current{color:var(--text-dark);font-weight:500}.hero-news-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:1400px;margin:0 auto;padding:2rem;align-items:stretch}.hero-block{height:250px;background:#44649E;background-image:url(/static/images/herro-girl.webp);background-repeat:no-repeat;background-position:right center;background-size:auto 100%;border-radius:12px;padding:2rem;overflow:hidden;position:relative;display:flex;align-items:center}.hero-block .hero-content{display:flex;flex-direction:column;gap:0.75rem;flex:0 0 65%;min-width:0;z-index:10;position:relative}.hero-block .hero-title{font-size:1.5rem;font-weight:800;line-height:1.2;color:white;margin:0}.hero-block .hero-subtitle{font-size:0.9rem;color:white;margin:0;line-height:1.4}.hero-block .hero-button{padding:0.6rem 1.5rem;font-size:0.9rem;width:fit-content;white-space:nowrap;margin-top:0.5rem}.hero-block .hero-illustration{display:none}.news-block{height:250px;background:var(--white);border:1px solid #e5e5e5;border-radius:12px;padding:1.5rem;overflow-y:auto}.news-title{font-size:0.95rem;font-weight:700;color:var(--navy);margin:0 0 0.75rem 0;text-transform:uppercase;letter-spacing:0.5px}.news-content{display:flex;flex-direction:column;gap:0.5rem;height:calc(100% - 24px);overflow-y:auto}.news-item{display:flex;gap:0.75rem;align-items:center;padding:0.25rem 0;text-decoration:none;transition:all 0.3s ease;min-height:24px}.news-item:hover{color:var(--royal-blue)}.news-item:hover .news-title-text{text-decoration:underline}.news-date{font-size:0.75rem;color:var(--text-light);font-weight:600;white-space:nowrap;flex-shrink:0}.news-title-text{font-size:0.85rem;color:var(--text-dark);font-weight:500;line-height:1.3;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.hero{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;max-width:1400px;margin:0 auto;padding:4rem 2rem;min-height:600px}.hero-content{display:flex;flex-direction:column;gap:1.5rem}.hero-title{font-size:4rem;font-weight:900;line-height:1.1;color:var(--navy);letter-spacing:-1px}.hero-subtitle{font-size:1.1rem;color:var(--text-light);line-height:1.8}.hero-button{background:linear-gradient(135deg,var(--navy) 0%,var(--royal-blue) 100%);color:var(--white);border:none;padding:1rem 2.5rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block;width:fit-content;transition:all 0.3s ease;box-shadow:0 4px 15px rgba(0,71,171,0.2)}.hero-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,71,171,0.3)}.hero-illustration{display:flex;justify-content:center;align-items:center;min-height:500px;position:relative}.hero-image{max-width:100%;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,0.1))}.hero-compact{min-height:400px;padding:3rem 2rem;gap:2rem}.hero-compact .hero-title{font-size:2.5rem}.hero-compact .hero-subtitle{font-size:1rem}.hero-compact .hero-illustration{min-height:300px}.features{background:var(--white);padding:4rem 2rem;border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5}.features-container{max-width:1400px;margin:0 auto}.section-title{font-size:2.5rem;font-weight:800;text-align:center;margin-bottom:4rem;color:var(--navy);line-height:1.3}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem}.feature-card{text-align:center;padding:2rem;border-radius:12px;background:var(--azure);transition:all 0.3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,71,171,0.1)}.feature-icon{font-size:3.5rem;margin-bottom:1rem;display:block}.feature-card h3{font-size:1.3rem;font-weight:700;margin-bottom:0.75rem;color:var(--navy)}.feature-card p{color:var(--text-light);line-height:1.6;font-size:0.95rem}.why-elementa{padding:4rem 2rem;background:transparent;width:100%}.why-elementa-container{max-width:1400px;margin:0 auto}.why-elementa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem}.why-elementa-card{text-align:center;padding:0;display:flex;flex-direction:column;align-items:center}.why-elementa-image{max-width:200px;height:auto;margin-bottom:1.5rem;border-radius:8px;display:block;margin-left:auto;margin-right:auto}.why-elementa-card h3{font-size:1.1rem;font-weight:700;margin-bottom:0.75rem;color:var(--navy);line-height:1.3}.why-elementa-card p{color:var(--text-light);line-height:1.5;font-size:0.9rem;margin:0}@media (max-width:1200px){.why-elementa-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}.courses-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media (max-width:768px){.why-elementa-grid{grid-template-columns:1fr;gap:1.5rem}.courses-grid{grid-template-columns:1fr;gap:1.5rem}}.courses-section{max-width:1400px;margin:0 auto;padding:0.5rem 2rem}.courses-title{font-size:2.5rem;font-weight:800;text-align:center;margin-bottom:4rem;color:var(--navy)}.courses-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.course-card{background:var(--white);border:1px solid #e0e0e0;border-radius:12px;overflow:hidden;transition:all 0.3s ease;display:flex;flex-direction:column;box-shadow:0 2px 8px rgba(0,0,0,0.08)}.course-card:hover{box-shadow:0 8px 20px rgba(0,71,171,0.15);transform:translateY(-3px);border-color:var(--royal-blue)}.course-image{width:100%;height:160px;object-fit:cover;display:block}.course-content{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column}.course-badge{display:inline-block;padding:0.4rem 0.8rem;background:var(--azure);color:var(--royal-blue);border-radius:20px;font-size:0.75rem;font-weight:700;margin-bottom:0.8rem;text-transform:uppercase;letter-spacing:0.5px;width:fit-content}.course-card h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:0.6rem;line-height:1.4}.course-card p{color:var(--text-light);font-size:0.9rem;margin-bottom:1rem;flex-grow:1;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-buttons{display:flex;gap:0.75rem;margin-top:auto}.course-btn{flex:1;padding:0.7rem 1rem;border-radius:8px;font-size:0.85rem;font-weight:600;text-decoration:none;text-align:center;transition:all 0.3s ease;cursor:pointer;border:none}.course-btn-secondary{border:2px solid var(--navy);color:var(--navy);background:transparent}.course-btn-secondary:hover{background:var(--navy);color:var(--white)}.course-btn-primary{background:var(--orange);color:var(--white)}.course-btn-primary:hover{opacity:0.9;box-shadow:0 4px 12px rgba(255,140,0,0.3)}.footer{background:var(--white);color:var(--text-dark);padding:3rem 2rem 2rem;margin-top:4rem;border-top:1px solid #e5e5e5}.footer-container{max-width:1400px;margin:0 auto}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:2rem}.footer-section h4{font-size:0.85rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:1rem;color:var(--text-dark)}.footer-section ul{list-style:none}.footer-section li{margin-bottom:0.5rem}.footer-section a{color:var(--text-light);text-decoration:none;font-size:0.85rem;transition:color 0.3s ease}.footer-section a:hover{color:var(--navy)}.footer-description-block{display:flex;flex-direction:column;justify-content:flex-start}.footer-description-block p{color:var(--text-light);font-size:0.85rem;line-height:1.6;margin:0}.footer-bottom{border-top:1px solid #e5e5e5;padding-top:1.5rem;text-align:center;color:var(--text-light);font-size:0.8rem}.faq-container{max-width:900px;margin:0 auto;padding:2rem}.faq-item{margin-bottom:0;border-bottom:1px solid #e5e5e5}.faq-item:last-child{border-bottom:none}.faq-question{padding:1rem 0;font-weight:600;color:var(--navy);cursor:pointer;user-select:none;font-size:0.95rem;transition:color 0.3s ease}.faq-question:hover{color:var(--royal-blue)}.faq-question::before{content:'▶ ';display:inline-block;margin-right:0.5rem;transition:transform 0.3s ease;font-size:0.7rem}.faq-item.active .faq-question::before{transform:rotate(90deg)}.faq-answer{display:none;padding:0 0 1rem 1.5rem;color:var(--text-dark);line-height:1.6;font-size:0.9rem}.faq-item.active .faq-answer{display:block}.article-page{max-width:900px;margin:0 auto;padding:1rem 2rem}.article-header{margin-bottom:3rem;padding-bottom:2rem;border-bottom:2px solid #e5e5e5}.article-header h1{font-size:3rem;font-weight:900;color:var(--navy);margin-bottom:1rem;line-height:1.2}.article-meta{color:var(--text-light);font-size:0.95rem}.article-body{font-size:1.05rem;line-height:1.8;color:var(--text-dark)}.article-body h2{font-size:2rem;font-weight:800;color:var(--navy);margin:2rem 0 1rem 0}.article-body h3{font-size:1.5rem;font-weight:700;color:var(--royal-blue);margin:1.5rem 0 0.75rem 0}.article-body p{margin-bottom:1.5rem}.article-body ul,.article-body ol{margin-left:2rem;margin-bottom:1.5rem}.article-body li{margin-bottom:0.5rem}.article-body img{max-width:100%;height:auto;margin:2rem 0;border-radius:10px}.article-body a{color:var(--royal-blue);text-decoration:none;font-weight:600;border-bottom:1px solid var(--azure)}.article-body a:hover{border-bottom-color:var(--orange)}.lesson-page-header{display:flex;justify-content:flex-start;align-items:center;max-width:1400px;margin:0 auto;padding:2rem;gap:1rem}.lesson-page-icons{display:none;gap:0.5rem;flex-shrink:0}.sidebar-toggle{background:none;border:1px solid #ddd;padding:0.5rem 0.75rem;border-radius:6px;cursor:pointer;font-size:1rem;color:var(--navy);transition:all 0.3s ease}.sidebar-toggle:hover{background:var(--azure);border-color:var(--navy)}.layout{display:grid;grid-template-columns:15% 60% 25%;gap:1rem;max-width:1400px;margin:0 auto;padding:0 2rem 3rem}.lessons{grid-column:1}.lesson{grid-column:2;transition:grid-column 0.3s ease;position:relative}.course-info{grid-column:3}.module-layout{display:grid;grid-template-columns:25% 50% 25%;gap:0.5rem;max-width:1400px;margin:0 auto;padding:0 2rem 3rem}.grid-col-1{grid-column:1}.grid-col-2{grid-column:2}.grid-col-3{grid-column:3}.sidebar-left{grid-column:1}.sidebar-right{grid-column:3}.lessons,.course-info{background:var(--azure);border-radius:12px;padding:1rem;height:fit-content;position:sticky;top:80px;transition:all 0.3s ease}.lessons h3,.course-info h3{font-size:0.88rem;font-weight:800;color:var(--navy);margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.5px;margin-top:0}.lessons.collapsed h3,.course-info.collapsed h3{display:none}.module-sidebar{background:var(--azure);border-radius:12px;padding:0.5rem;height:fit-content;position:sticky;top:80px;transition:all 0.3s ease}.sidebar-left:not(.collapsed),.sidebar-right:not(.collapsed){padding:0.5rem;height:fit-content;overflow:visible}.module-sidebar.collapsed{width:50px;padding:0;background:transparent;border-radius:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.module-sidebar.collapsed .lesson-list,.module-sidebar.collapsed .sidebar-section{display:none}.module-sidebar.collapsed .sidebar-header{width:100%;flex-direction:column;gap:0}.module-sidebar.collapsed .sidebar-header h3{display:none}.module-sidebar.collapsed .sidebar-collapse-btn{writing-mode:vertical-rl;text-orientation:mixed;padding:1rem 0.25rem}.sidebar-header{display:flex;justify-content:space-between;align-items:center;gap:1rem}.sidebar-header h3{flex:1;font-size:0.88rem;font-weight:800;color:var(--navy);margin:0;text-transform:uppercase;letter-spacing:0.5px}.sidebar-collapse-btn{background:none;border:none;padding:0.5rem;cursor:pointer;font-size:1rem;color:var(--navy);transition:all 0.3s ease}.sidebar-collapse-btn:hover{opacity:0.7}.module-sidebar h3{font-size:0.88rem;font-weight:800;color:var(--navy);margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.5px}.sidebar-section{margin-bottom:1.5rem}.sidebar-section h4{font-size:0.76rem;font-weight:700;color:var(--navy);margin-bottom:0.8rem;text-transform:uppercase;letter-spacing:0.5px}.toggle-header{cursor:pointer;user-select:none;display:flex;align-items:center;gap:0.5rem}.toggle-header::after{content:'▼';font-size:0.6rem;transition:transform 0.3s ease}.calendar-container.hidden{display:none}.toggle-header.collapsed::after{transform:rotate(-90deg)}.lessons.collapsed,.course-info.collapsed{width:auto;padding:0.5rem;background:transparent;border-radius:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;height:auto}.lessons.collapsed .sidebar-header h3,.course-info.collapsed .sidebar-header h3{display:none}.lessons.collapsed .lesson-list,.course-info.collapsed .sidebar-section{display:none}.article-sidebar-btn{position:absolute;background:none;border:none;padding:0.5rem;cursor:pointer;font-size:1rem;color:var(--navy);transition:all 0.3s ease;z-index:10}.article-sidebar-btn-left{top:0;left:0}.article-sidebar-btn-right{top:0;right:0}.article-sidebar-btn:hover{opacity:0.7}.lesson-list{list-style:none}.lesson-item{margin-bottom:0.8rem}.module-lessons-list .lesson-item{margin-bottom:0;border-bottom:1px solid #e5e5e5;display:flex;align-items:center;flex-wrap:nowrap}.module-lessons-list .lesson-item:last-child{border-bottom:none}.module-lessons-list .lesson-item a{display:flex;align-items:center;flex:1;padding:1rem;color:var(--text-dark);text-decoration:none;transition:background 0.3s ease;min-width:0}.module-lessons-list .lesson-item a:hover{background:#f5f5f5}.module-lessons-list .lesson-item abbr.access-badge{flex-shrink:0;margin:0;padding:0}.lesson-link{display:flex;align-items:center;padding:0.6rem 0.8rem;color:var(--text-dark);text-decoration:none;border-radius:8px;transition:all 0.3s ease;font-weight:500;border-left:3px solid transparent;font-size:0.8rem;flex-wrap:nowrap;gap:0.3rem;min-width:0}.lesson-link abbr.access-badge{flex-shrink:0;margin:0;padding:0}.lesson-link:hover{background:rgba(0,71,171,0.1);color:var(--royal-blue)}.lesson-link.active{background:var(--royal-blue);color:white;border-left-color:var(--orange)}.lesson{background:var(--white);border-radius:12px;padding:2rem 2.5rem;border:1px solid #e5e5e5;transition:all 0.3s ease;grid-column:2}.lesson h1{font-size:2.5rem;font-weight:900;color:var(--navy);margin-bottom:1rem;line-height:1.2}.module-content{background:var(--white);border-radius:12px;padding:2rem 2.5rem;border:1px solid #e5e5e5;transition:all 0.3s ease;grid-column:2}.module-content h1{font-size:2.5rem;font-weight:900;color:var(--navy);margin-bottom:1rem;line-height:1.2}.module-lesson-meta{color:var(--text-light);font-size:0.95rem;margin-bottom:2rem}.lesson-navigation{display:flex;gap:1rem;margin-top:3rem;padding-top:2rem;border-top:1px solid #e5e5e5}.lesson-nav-btn{flex:1;padding:0.75rem 1.5rem;border:2px solid var(--navy);background:transparent;color:var(--navy);text-decoration:none;border-radius:8px;font-weight:600;text-align:center;transition:all 0.3s ease}.lesson-nav-btn:hover{background:var(--navy);color:white}.lesson-nav-btn.disabled{opacity:0.5;cursor:not-allowed;pointer-events:none}.event-viewer{position:relative}.event-close-btn{position:absolute;top:0;right:0;padding:0.5rem 1rem;background:var(--navy);color:white;border:none;border-radius:6px;cursor:pointer;font-weight:600;transition:all 0.3s ease}.event-close-btn:hover{background:#1a237e}.event-viewer .event-date{font-size:0.95rem;color:var(--text-light);margin-bottom:0.5rem;display:block}.event-viewer .event-title{font-size:2rem;font-weight:700;color:var(--navy);margin:2rem 0 1rem}.event-viewer .event-tags{font-size:0.9rem;color:var(--text-light);margin-bottom:1.5rem}.event-viewer .event-body{font-size:1rem;line-height:1.6;color:var(--text-dark);margin-top:1.5rem}.event-details{margin-top:3rem;padding:0 1rem}.event-details > div{margin-bottom:1rem;line-height:1.6}.event-details .event-body{margin-top:1.5rem}.course-description{max-width:900px;margin:0 auto;padding:3rem 2rem}.course-description h1{font-size:2.5rem;font-weight:900;color:var(--navy);margin-bottom:2rem}.course-description-text{font-size:1.1rem;line-height:1.8;color:var(--text-dark);margin-bottom:3rem}.modules-list{display:grid;gap:2rem}.module-card{background:var(--azure);padding:2rem;border-radius:12px;border-left:4px solid var(--orange);transition:all 0.3s ease}.module-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,71,171,0.1)}.module-card h3{font-size:1.3rem;font-weight:800;color:var(--navy);margin-bottom:0.75rem}.module-card p{color:var(--text-light);margin-bottom:1.5rem}.module-card a{display:inline-block;padding:0.65rem 1.5rem;background:var(--royal-blue);color:white;text-decoration:none;border-radius:8px;font-weight:600;transition:all 0.3s ease}.module-card a:hover{opacity:0.9;transform:translateY(-2px)}.module-description{max-width:900px;margin:0 auto;padding:3rem 2rem}.module-description h1{font-size:2.5rem;font-weight:900;color:var(--navy);margin-bottom:2rem}.module-description-text{font-size:1.05rem;line-height:1.8;color:var(--text-dark);margin-bottom:3rem}.lessons-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.module-lessons-list{display:flex;flex-direction:column;gap:0;list-style:none;padding:0;margin:0}.lesson-card{background:var(--white);border:1px solid #e5e5e5;padding:2rem;border-radius:12px;text-align:center;transition:all 0.3s ease}.lesson-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1);border-color:var(--royal-blue)}.lesson-card h3{font-size:1.2rem;font-weight:800;color:var(--navy);margin-bottom:1.5rem}.lesson-card a{display:inline-block;padding:0.65rem 1.5rem;background:var(--royal-blue);color:white;text-decoration:none;border-radius:8px;font-weight:600;transition:all 0.3s ease}.lesson-card a:hover{opacity:0.9;transform:translateY(-2px)}.contact-section{max-width:800px;margin:0 auto;padding:3rem 2rem}.contact-form{background:var(--azure);padding:2.5rem;border-radius:12px;margin-top:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:0.5rem;font-weight:600;color:var(--navy)}.form-group input,.form-group textarea{width:100%;padding:0.75rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;font-family:inherit;transition:border-color 0.3s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--royal-blue);box-shadow:0 0 0 3px rgba(0,71,171,0.1)}.form-group textarea{resize:vertical;min-height:150px}.form-submit{background:var(--orange);color:var(--white);padding:0.9rem 2rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all 0.3s ease}.form-submit:hover{opacity:0.9;transform:translateY(-2px)}.form-submit:disabled{opacity:0.6;cursor:not-allowed;transform:none}.form-status{margin-top:1rem;padding:0.75rem 1rem;border-radius:4px;font-size:0.95rem}.form-status.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.form-status.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}@media (max-width:1024px){.hero-news-container{grid-template-columns:1fr}.hero{grid-template-columns:1fr;gap:2rem;padding:3rem 2rem}.hero-title{font-size:3rem}.features-grid{grid-template-columns:repeat(2,1fr);gap:2rem}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.module-layout{grid-template-columns:1fr;gap:1.5rem}.module-sidebar{position:relative;top:0}.hero-news-container{display:grid;grid-template-columns:1fr;gap:1.5rem;padding:1.5rem}.news-block{order:-1}.hero{grid-template-columns:1fr;padding:2rem 1rem;gap:1.5rem}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.section-title{font-size:1.8rem;margin-bottom:2rem;padding-top:3rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.courses-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}.course-buttons{flex-direction:column}.courses-section{padding:0.4rem 0.25rem}.course-description{padding:0.3rem 0.25rem}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}.article-page{padding:0.2rem 0.25rem}.article-header h1{font-size:2rem;padding-top:3rem}.article-body{font-size:1rem}.article-body h2{font-size:1.5rem}.module-description{padding:2rem 1rem}.module-description h1{font-size:2rem}.lessons-list{grid-template-columns:1fr}.faq-container{padding:1rem}}@media (max-width:480px){.lang-select{font-size:0.8rem;padding:0.4rem 0.5rem}.hero-news-container{padding:1rem;gap:1rem}.hero-block{padding:1.5rem;background-size:auto 125%;background-position:105% center}.hero-block .hero-title{font-size:1.2rem}.hero-block .hero-subtitle{font-size:0.8rem}.hero-block .hero-button{padding:0.5rem 1.25rem;font-size:0.8rem}.news-block{height:250px;padding:1rem}.news-title{font-size:0.85rem;margin-bottom:0.5rem}.news-item{font-size:0.75rem}.hero-title{font-size:1.5rem}.section-title{font-size:1.5rem;padding-top:3.5rem}.feature-card{padding:1.5rem 1rem}.courses-grid{grid-template-columns:1fr;gap:1.5rem}.course-content{padding:1.5rem}.course-image{height:120px}.footer-grid{grid-template-columns:1fr;gap:1.5rem}.article-header h1{font-size:1.5rem;padding-top:3.5rem}.contact-form{padding:1.5rem}}table{width:100%;border-collapse:collapse;margin:1.5rem 0;box-shadow:0 2px 8px rgba(0,128,0,0.1);border-radius:6px;overflow:hidden}table thead{background:linear-gradient(135deg,var(--navy) 0%,var(--royal-blue) 100%);color:white}table th{padding:1rem;text-align:left;font-weight:600;border-bottom:3px solid var(--orange)}table td{padding:0.75rem 1rem;border-bottom:1px solid var(--border-light)}table tbody tr{transition:background-color 0.2s ease}table tbody tr:hover{background-color:var(--azure)}table tbody tr:last-child td{border-bottom:none}.footnote{font-size:0.85rem;color:var(--text-light);margin:0.5rem 0}.footnote-ref{font-size:0.8rem;vertical-align:super}.footnote-ref a{color:var(--royal-blue);text-decoration:none;border-bottom:1px dotted var(--royal-blue)}.footnote-ref a:hover{color:var(--orange);border-bottom-color:var(--orange)}.footnotes{margin-top:2rem;padding-top:1rem;border-top:2px solid var(--border-light);font-size:0.9rem;color:var(--text-light)}abbr{border-bottom:1px dotted var(--royal-blue);cursor:help;text-decoration:none;font-style:normal}abbr:hover{background-color:var(--azure);border-radius:3px}abbr.access-badge{border-bottom:none;white-space:nowrap;display:inline-block;padding:0.1rem 0;margin-left:0.3rem;font-size:1.1em}abbr.access-badge:hover{background-color:transparent;position:relative}abbr.access-badge[title]:hover::after{content:attr(title);position:absolute;bottom:120%;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:0.4rem 0.8rem;border-radius:4px;font-size:0.75rem;white-space:nowrap;z-index:1001;pointer-events:none;box-shadow:0 2px 8px rgba(0,0,0,0.2)}dl{margin:1.5rem 0}dt{font-weight:600;color:var(--navy);margin-top:1rem;padding:0.5rem 0.75rem;background-color:var(--azure);border-left:4px solid var(--orange)}dd{margin-left:1.5rem;padding:0.5rem 0;color:var(--text-light)}pre{background-color:#f5f5f5;border-left:4px solid var(--royal-blue);padding:1.25rem;margin:1.5rem 0;border-radius:4px;overflow-x:auto;box-shadow:inset 0 2px 4px rgba(0,0,0,0.05)}code{font-family:'Courier New',Courier,monospace;font-size:0.9em;line-height:1.5}p code,li code,dd code{background-color:#f0f0f0;padding:0.2rem 0.4rem;border-radius:3px;color:#c7254e;font-size:0.85em}.highlight{background-color:#f5f5f5;border-radius:4px;padding:1.25rem;overflow-x:auto;margin:1.5rem 0}.highlight pre{margin:0;padding:0;border:none;box-shadow:none;background:none}.highlight .hll{background-color:#ffffcc}.highlight .c{color:#999;font-style:italic}.highlight .k{color:#006699;font-weight:bold}.highlight .s{color:#cc3333}.highlight .n{color:#000}.toc{background-color:var(--azure);border:1px solid var(--border-light);border-radius:6px;padding:1.25rem;margin:1.5rem 0;box-shadow:0 2px 6px rgba(0,128,0,0.08)}.toc ul{list-style:none;margin:0;padding:0}.toc li{margin:0.4rem 0;padding:0.25rem 0}.toc a{color:var(--royal-blue);text-decoration:none;transition:all 0.2s ease;border-left:3px solid transparent;padding-left:0.5rem;display:inline-block}.toc a:hover{color:var(--orange);border-left-color:var(--orange);padding-left:0.75rem}.toc > ul{padding-left:0}.toc ul ul{margin-left:1.5rem;border-left:2px solid var(--border-light);padding-left:0.5rem}.admonition{border-left:5px solid var(--border-light);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:4px;background-color:#f9f9f9}.admonition p{margin:0.5rem 0}.admonition p:first-child{margin-top:0}.admonition p:last-child{margin-bottom:0}.admonition.note{border-left-color:#0047AB;background-color:#E3F2FD}.admonition.note > .admonition-title{color:#0047AB}.admonition.warning{border-left-color:#ff9800;background-color:#fff3e0}.admonition.warning > .admonition-title{color:#ff9800}.admonition.danger{border-left-color:#f44336;background-color:#ffebee}.admonition.danger > .admonition-title{color:#f44336}.admonition.important{border-left-color:#ff5722;background-color:#ffe0b2}.admonition.important > .admonition-title{color:#ff5722}.admonition.attention{border-left-color:#fbc02d;background-color:#fffde7}.admonition.attention > .admonition-title{color:#fbc02d}.admonition.caution{border-left-color:#ff6f00;background-color:#fff8e1}.admonition.caution > .admonition-title{color:#ff6f00}.admonition.hint{border-left-color:#4caf50;background-color:#f1f8e9}.admonition.hint > .admonition-title{color:#4caf50}.admonition.tip{border-left-color:#2196f3;background-color:#e3f2fd}.admonition.tip > .admonition-title{color:#2196f3}.admonition-title{font-weight:700;margin:-1rem -1.25rem 0.5rem -1.25rem;padding:0.5rem 1.25rem;border-radius:4px 4px 0 0;background-color:rgba(0,0,0,0.05)}q,.quote{font-style:italic;color:var(--text-light)}blockquote{margin:1.5rem 0;padding:1rem 1.5rem;border-left:4px solid var(--orange);background-color:var(--azure);border-radius:4px;font-style:italic;color:var(--text-light)}blockquote p{margin:0.5rem 0}blockquote cite{display:block;margin-top:0.75rem;font-style:normal;color:var(--navy);font-size:0.9em}blockquote cite:before{content:"— "}.news-listing{margin:3rem 0;max-width:1000px;margin-left:auto;margin-right:auto}.news-listing-title{font-size:1.8rem;font-weight:600;color:var(--navy);margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--royal-blue)}.news-list{list-style:none;display:flex;flex-direction:column;gap:1rem}.news-list-item{border-left:4px solid var(--royal-blue);padding:1.25rem;background:linear-gradient(to right,rgba(224,242,254,0.5),transparent);border-radius:4px;transition:all 0.3s ease}.news-list-item:hover{background:linear-gradient(to right,rgba(0,71,171,0.1),transparent);border-left-color:var(--navy);transform:translateX(4px)}.news-list-link{display:flex;justify-content:space-between;align-items:center;text-decoration:none;gap:1.5rem}.news-list-title{font-size:1.1rem;font-weight:500;color:var(--navy);transition:color 0.3s ease}.news-list-item:hover .news-list-title{color:var(--royal-blue)}.news-list-date{font-size:0.9rem;color:var(--text-light);white-space:nowrap;font-weight:500}.course-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;font-size:0.8rem;margin-bottom:1.5rem}.calendar-header{grid-column:1 / -1;text-align:center;font-weight:700;color:var(--navy);margin-bottom:0.4rem;font-size:0.72rem}.calendar-weekdays{grid-column:1 / -1;display:grid;grid-template-columns:repeat(7,1fr);gap:3px;margin-bottom:0.4rem}.calendar-day-name{text-align:center;font-weight:700;color:var(--text-light);font-size:0.56rem}.calendar-dates{grid-column:1 / -1;display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-date{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:4px;background:white;border:1px solid #e5e5e5;font-size:0.75rem;color:var(--text-dark);cursor:default;position:relative}.calendar-date.empty{background:transparent;border:none}.calendar-date.today{background:var(--royal-blue);color:white;font-weight:700;border-color:var(--royal-blue)}.calendar-date.has-event{font-weight:700 !important;color:white !important;background:var(--navy) !important;border:2px solid var(--navy) !important;cursor:pointer}.calendar-date.has-event:hover{background:#1a237e !important}.calendar-date.has-event:hover::after{content:attr(data-event);position:absolute;bottom:110%;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:0.4rem 0.6rem;border-radius:4px;font-size:0.6rem;font-weight:400;white-space:nowrap;z-index:1000;pointer-events:none;box-shadow:0 2px 8px rgba(0,0,0,0.15);max-width:150px;word-wrap:break-word}.course-events-list{list-style:none;padding:0;margin:0}.event-item{display:flex;flex-direction:column;gap:0.2rem;padding:0.6rem;border-bottom:1px solid #e5e5e5;font-size:0.64rem}.event-item:last-child{border-bottom:none}.clickable-event{cursor:pointer;transition:all 0.3s ease}.clickable-event:hover{background:var(--azure);border-radius:6px}.event-item-empty{padding:0.8rem 0.6rem;color:var(--text-light);font-size:0.64rem}.event-date{color:var(--text-light);font-size:0.56rem;font-weight:600}.event-title{color:var(--navy);font-weight:500;font-size:0.68rem}@media (max-width:1024px){.module-layout{grid-template-columns:1fr;gap:1rem}.grid-col-1,.grid-col-2,.grid-col-3{grid-column:1}.sidebar-left{display:none !important}.sidebar-right{display:block !important;grid-column:1}.module-content{grid-column:1}.lesson-page-header{padding:1.5rem 2rem}}@media (max-width:1023px){.navbar{padding:0.5rem 1rem}.navbar-container{gap:0.5rem;display:flex;flex-wrap:wrap}.navbar-logo{display:none}.navbar-menu{display:flex !important;gap:0.8rem;flex:1 1 auto;flex-wrap:nowrap}.navbar-link{font-size:0.75rem;white-space:nowrap;display:inline-block}.navbar-link--desktop-only{display:none !important}.navbar-right{gap:0.3rem;flex:0 0 auto}.navbar-right .navbar-link{font-size:0.7rem;padding:0.08rem 0.12rem !important;white-space:nowrap;display:inline-block}.navbar-right .navbar-account,.navbar-right .navbar-login,.navbar-right .navbar-signup{max-width:80px;overflow:hidden;text-overflow:ellipsis}.navbar-signup{display:none !important}.navbar-signup-mobile{display:inline-flex !important}.twitter-icon{display:none}.lang-select{font-size:0.7rem;padding:0.3rem 0.4rem}.lesson-page-header{padding:1rem;margin:0}.lesson-page-icons{flex-direction:column}html{overflow-x:hidden}body{margin:0;padding:0;overflow-x:hidden}.sidebar-toggle[data-toggle="left"]{display:none}.sidebar-toggle[data-toggle="right"]{display:none}.article-sidebar-btn{display:none}.layout{display:flex !important;flex-direction:column !important;grid-template-columns:1fr !important;padding:0 !important;gap:0 !important;max-width:100% !important;margin:0 !important}.lessons{display:none !important}.lesson{grid-column:auto;padding:0.5rem 5%;width:100%;box-sizing:border-box;font-size:0.8em;overflow-x:hidden}.lesson h1{font-size:1.6em}.lesson h2{font-size:1.28em}.lesson h3{font-size:1.024em}.lesson h4{font-size:0.82em}.lesson p{font-size:0.8em}.course-info{grid-column:auto;position:static;top:0;padding:1rem;width:100%;box-sizing:border-box}.lesson table{max-width:100%;overflow-x:auto;display:block}.lesson pre{max-width:100%;overflow-x:auto}.lesson-navigation{display:flex;flex-direction:column;gap:0.75rem}.lesson-nav-btn{flex:1;padding:0.75rem 1rem;font-size:0.9rem}.module-layout{display:grid;grid-template-columns:1fr;padding:0 0.5rem 2rem;gap:1rem}.sidebar-left{display:none !important}.sidebar-right{display:block !important;grid-column:1;order:2}.module-content{padding:1.5rem;grid-column:1;order:1}.module-content table{max-width:100%;overflow-x:auto;display:block}.module-content pre{max-width:100%;overflow-x:auto}.news-list-link{flex-direction:column;align-items:flex-start}.news-list-date{align-self:flex-end;margin-top:0.5rem}.news-listing-title{font-size:1.5rem}}