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1.1rem}.container-wide{max-width:1360px;padding:1.4rem 1.1rem}.container-tight{padding-top:1.1rem;padding-bottom:1.3rem}.auth-shell{min-height:calc(100vh - 140px);display:grid;place-items:start center;padding-top:2.4rem}.auth-panel{width:min(420px,100%);display:grid;grid-gap:16px;gap:16px}.auth-head{text-align:center;align-items:center;flex-direction:column}.auth-actions,.auth-head{justify-content:center}.auth-card{width:100%}.auth-divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:var(--muted);font-size:13px}.auth-divider:after,.auth-divider:before{content:"";flex:1 1;height:1px;background:var(--border)}.auth-footer{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:20px;padding-top:20px;border-top:1px solid var(--border);font-size:14px}.auth-footer a{font-weight:600;color:var(--primary)}.auth-footer a:hover{text-decoration:underline}.auth-name-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}@media 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minmax(0,1fr);grid-gap:18px;gap:18px;align-items:start}.course-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);grid-gap:16px;gap:16px;align-items:stretch}.course-layout-wide{grid-template-columns:minmax(0,1fr);justify-items:center}.course-layout-wide>section{width:min(1160px,100%)}.course-chat-slot{display:flex;align-self:stretch}.course-chat-slot>.tutor-embed{flex:1 1;height:100%}.player-shell{display:grid;grid-template-columns:320px minmax(0,1fr);grid-gap:12px;gap:12px;align-items:start}.player-shell.with-chat{grid-template-columns:320px minmax(0,1fr) 500px}.player-sidebar{max-height:calc(100vh - 110px);overflow:auto;padding:14px;margin-left:-22px}.player-chat,.player-sidebar{position:-webkit-sticky;position:sticky;top:90px;align-self:flex-start}.player-chat{height:min(700px,calc(100vh - 140px))}.player-chat 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solid var(--border);border-radius:20px;padding:24px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:16px;transition:all .2s ease}.community-space-card:hover{border-color:rgba(var(--primary-rgb),.4);box-shadow:0 8px 24px rgba(var(--primary-rgb),.08);transform:translateY(-2px)}.community-space-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.community-space-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(var(--primary-rgb),.08);color:var(--primary);padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600}.community-space-card-content{flex:1 1}.community-space-title{font-family:var(--font-display);font-size:1.25rem;font-weight:800;margin:0 0 8px;color:var(--text)}.community-space-desc{color:var(--muted);font-size:14px;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.community-space-card-footer{padding-top:12px;border-top:1px solid var(--border)}.community-space-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:14px}.community-space-link svg{transition:transform .2s ease}.community-space-card:hover .community-space-link svg{transform:translateX(4px)}.community-welcome{text-align:center;padding:48px 24px;max-width:400px;margin:0 auto}.community-welcome-icon{width:80px;height:80px;margin:0 auto 20px;background:rgba(var(--primary-rgb),.08);border-radius:50%;display:grid;place-items:center;color:var(--primary)}.community-welcome h3{margin:0 0 8px;font-family:var(--font-display);font-weight:800}.community-form-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.community-form-icon{width:48px;height:48px;background:rgba(var(--primary-rgb),.1);border-radius:14px;display:grid;place-items:center;color:var(--primary);flex-shrink:0}.community-form-title{font-family:var(--font-display);font-size:1.25rem;font-weight:800;margin:0 0 4px;color:var(--text)}.community-form-subtitle{color:var(--muted);font-size:14px;margin:0}.community-input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg);font-size:15px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}.community-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.1)}.community-textarea{width:100%;min-height:140px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg);font-size:15px;color:var(--text);resize:vertical;font-family:inherit;line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease}.community-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.1)}.community-textarea-sm{min-height:100px}.community-form-actions{display:flex;gap:12px;padding-top:8px}.community-btn-submit{display:inline-flex;align-items:center;gap:8px}.community-btn-clear{display:inline-flex;align-items:center;gap:6px}.community-posts-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.community-posts-title-row{display:flex;align-items:center;gap:12px;color:var(--text)}.community-posts-title-row svg{color:var(--primary)}.community-posts-title-row h2{margin:0;font-family:var(--font-display);font-weight:800}.community-empty-state{text-align:center;padding:48px 24px}.community-empty-icon{width:80px;height:80px;margin:0 auto 20px;background:rgba(var(--primary-rgb),.06);border-radius:50%;display:grid;place-items:center;color:var(--muted)}.community-empty-state h3{margin:0 0 8px;font-family:var(--font-display);font-weight:700;color:var(--text)}.community-empty-state-sm{text-align:center;padding:32px 16px;display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--muted)}.comments-title-row{display:flex;align-items:center;gap:10px;color:var(--text)}.comments-title-row svg{color:var(--primary)}.comment-form-header{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.comment-form-icon{width:42px;height:42px;background:rgba(var(--primary-rgb),.1);border-radius:12px;display:grid;place-items:center;color:var(--primary);flex-shrink:0}.comment-form-title{font-family:var(--font-display);font-size:1.1rem;font-weight:700;margin:0 0 4px;color:var(--text)}.comment-form-subtitle{color:var(--muted);font-size:13px;margin:0}.field-label{display:flex;align-items:center;gap:8px}.field-label svg{color:var(--muted);flex-shrink:0}@media (max-width:900px){.community-space-layout,.community-spaces-grid{grid-template-columns:1fr}.post-images{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.reaction-tooltip{display:none}}.hero-section{padding:60px 0 80px;min-height:calc(100vh - 120px)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:60px;gap:60px;align-items:center}.hero-content{max-width:600px}.hero-badge{display:inline-flex;padding:8px 16px;background:rgba(var(--primary-rgb),.1);color:var(--primary);border-radius:999px;font-size:14px;font-weight:600;margin-bottom:24px}.hero-content h1{font-size:clamp(2.5rem,5vw,3.5rem);line-height:1.1;margin-bottom:24px;letter-spacing:-.03em}.hero-lead{font-size:1.2rem;color:var(--muted);margin-bottom:32px;line-height:1.7}.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}.hero-stats{display:flex;gap:40px}.hero-stat{text-align:left}.hero-stat strong{display:block;font-size:1.75rem;font-weight:900;font-family:var(--font-display);color:var(--primary);line-height:1.2}.hero-stat span{font-size:14px;color:var(--muted)}.hero-visual{display:flex;justify-content:center;align-items:center}.hero-image{width:100%;max-width:520px;height:auto;border-radius:20px;box-shadow:0 32px 64px rgba(0,0,0,.15);object-fit:cover}.hero-visual-card{background:#1e1e2e;border-radius:16px;overflow:hidden;box-shadow:0 32px 64px rgba(0,0,0,.2);width:100%;max-width:480px}.hero-visual-header{background:#2a2a3a;padding:12px 16px;display:flex;align-items:center;gap:12px}.hero-visual-dots{display:flex;gap:6px}.hero-visual-dots span{width:12px;height:12px;border-radius:50%;background:#3a3a4a}.hero-visual-dots span:first-child{background:#ff5f56}.hero-visual-dots span:nth-child(2){background:#ffbd2e}.hero-visual-dots span:last-child{background:#27c93f}.hero-visual-title{font-size:13px;color:hsla(0,0%,100%,.6)}.hero-visual-code,.hero-visual-title{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.hero-visual-code{padding:24px;font-size:14px;line-height:1.8;color:#e4e4e7}.hero-visual-code code{background:none;padding:0;font-size:inherit}.code-keyword{color:#c678dd}.code-comment{color:#6a737d}.code-string{color:#98c379}.code-output{color:#61afef}.btn-lg{padding:14px 28px;font-size:1.05rem}.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(var(--primary-rgb),.04)}.btn-block{width:100%;text-align:center;display:block}.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--text);background:rgba(0,0,0,.04)}.btn-outline-light{background:transparent;border:2px solid hsla(0,0%,100%,.5);color:#fff}.btn-outline-light:hover{background:hsla(0,0%,100%,.1);border-color:#fff;color:#fff}.section-header{text-align:center;margin-bottom:56px}.section-badge{display:inline-flex;padding:6px 14px;background:rgba(var(--primary-rgb),.1);color:var(--primary);border-radius:999px;font-size:13px;font-weight:600;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em}.section-header h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:16px}.section-subtitle{font-size:1.1rem;color:var(--muted);max-width:600px;margin:0 auto;line-height:1.7}.section-title{text-align:center;margin-bottom:48px}.section-title h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:16px}.section-title p{font-size:1.1rem;color:var(--muted);max-width:600px;margin:0 auto}.features-section{padding:80px 0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:32px;gap:32px}.feature-card-v2{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;transition:transform .2s ease,box-shadow .2s ease}.feature-card-v2:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08)}.feature-icon-v2{width:56px;height:56px;border-radius:14px;background:rgba(var(--primary-rgb),.1);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--primary)}.feature-icon-v2 svg{width:28px;height:28px}.feature-card-v2 h3{font-size:1.25rem;margin-bottom:12px}.feature-card-v2 p{color:var(--muted);line-height:1.6}.features-grid-v3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}.feature-card-v3{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.feature-card-v3:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08)}.feature-image-v3{width:100%;height:160px;overflow:hidden}.feature-image-v3 img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.feature-card-v3:hover .feature-image-v3 img{transform:scale(1.05)}.feature-content-v3{padding:20px}.feature-content-v3 h3{font-size:1.1rem;margin-bottom:8px}.feature-content-v3 p{color:var(--muted);font-size:.95rem;line-height:1.6;margin:0}.sample-section{padding:80px 0}.sample-section-alt{background:var(--bg-soft)}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px;margin-bottom:40px}.sample-card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;display:block}.sample-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08)}.sample-card-image{position:relative;height:180px;overflow:hidden}.sample-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.sample-card:hover .sample-card-image img{transform:scale(1.05)}.sample-card-badge{position:absolute;top:12px;left:12px;background:var(--primary);color:#fff;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600}.sample-card-content{padding:20px}.sample-card-content h3{font-size:1.15rem;margin-bottom:8px;line-height:1.3}.sample-card-content p{color:var(--muted);font-size:.9rem;line-height:1.5;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.sample-card-meta{display:flex;gap:16px;font-size:.85rem;color:var(--muted)}.sample-cta{text-align:center}.how-it-works-section{padding:80px 0;background:var(--bg-soft)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:40px;gap:40px;position:relative}.steps-grid:before{content:"";position:absolute;top:40px;left:calc(16.66% + 20px);right:calc(16.66% + 20px);height:2px;background:var(--border)}.step-card{text-align:center;position:relative;z-index:1}.step-number{width:80px;height:80px;border-radius:50%;background:var(--card);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:1.5rem;font-weight:900;font-family:var(--font-display);color:var(--primary)}.step-card h3{font-size:1.25rem;margin-bottom:12px}.step-card p{color:var(--muted);max-width:280px;margin:0 auto}.testimonials-section{padding:80px 0}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;display:flex;flex-direction:column}.testimonial-stars{color:#fbbf24;font-size:18px;margin-bottom:16px;letter-spacing:2px}.testimonial-content{flex:1 1}.testimonial-content blockquote{font-size:1.05rem;line-height:1.7;margin:0 0 24px;color:var(--text)}.testimonial-author{display:flex;gap:12px;align-items:center;margin-top:auto;padding-top:20px;border-top:1px solid var(--border)}.testimonial-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;background:rgba(var(--primary-rgb),.1);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary)}.testimonial-name{font-weight:700;margin-bottom:2px}.testimonial-role{font-size:14px;color:var(--muted)}.pricing-section{padding:80px 0;background:var(--bg-soft)}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px;max-width:1200px;margin:0 auto;align-items:start}.pricing-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;text-align:center;position:relative;transition:transform .2s ease,box-shadow .2s ease}.pricing-card:hover{transform:translateY(-4px)}.pricing-card.popular{border-color:var(--primary);box-shadow:0 8px 40px rgba(var(--primary-rgb),.15);z-index:1}.pricing-card.popular:hover{transform:translateY(-4px)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;padding:6px 16px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}.pricing-card h3{font-size:1.5rem;margin-bottom:8px}.pricing-description{color:var(--muted);font-size:14px;margin-bottom:20px}.pricing-price{margin:24px 0}.price-amount{font-size:3rem;font-weight:900;font-family:var(--font-display);line-height:1}.price-period{color:var(--muted);font-size:1rem}.pricing-features{list-style:none;padding:0;margin:24px 0;text-align:left}.pricing-features li{padding:10px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.pricing-features li:last-child{border-bottom:none}.pricing-check,.pricing-features .check{color:var(--success);font-weight:700}.faq-section{padding:80px 0}.faq-container{max-width:800px;margin:0 auto}.faq-item{border-bottom:1px solid var(--border)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:24px 0;background:none;border:none;font-size:1.1rem;font-weight:600;text-align:left;cursor:pointer;color:var(--text);transition:color .15s ease}.faq-question:hover{color:var(--primary);transform:none;box-shadow:none}.faq-chevron{width:24px;height:24px;transition:transform .2s ease;flex-shrink:0;margin-left:16px}.faq-item.open .faq-chevron{transform:rotate(180deg)}.faq-answer{padding:0 0 24px;color:var(--muted);line-height:1.7;display:none}.faq-item.open .faq-answer{display:block}.cta-section{padding:100px 0;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;text-align:center}.cta-content{max-width:700px;margin:0 auto}.cta-section h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:16px;color:#fff}.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:32px;line-height:1.7}.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}.cta-section .btn-primary{background:#fff;color:var(--primary);border-color:#fff}.cta-section .btn-primary:hover{background:hsla(0,0%,100%,.9);transform:translateY(-2px)}.cta-reassurance{font-size:14px;opacity:.85;margin-top:8px}.footer-v2{background:#1a1a2e;color:#fff;padding:60px 0 30px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:40px;gap:40px;margin-bottom:40px}.footer-brand{max-width:300px}.footer-brand .brand{color:#fff;margin-bottom:16px;display:inline-flex}.footer-brand p{color:hsla(0,0%,100%,.7);line-height:1.6}.footer-column h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:20px;color:hsla(0,0%,100%,.5);font-weight:700}.footer-links{display:grid;grid-gap:12px;gap:12px}.footer-links a{color:hsla(0,0%,100%,.8);transition:color .15s ease}.footer-links a:hover{color:#fff;text-decoration:none}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.1);padding-top:30px;justify-content:space-between;align-items:center;color:hsla(0,0%,100%,.5);font-size:14px;flex-wrap:wrap}.footer-bottom,.footer-social{display:flex;gap:16px}.footer-social a{color:hsla(0,0%,100%,.6);transition:color .15s ease}.footer-social a:hover{color:#fff}@media (max-width:900px){.hero-section{padding:40px 0 60px;min-height:auto}.hero-grid{grid-template-columns:1fr;text-align:center}.hero-content{max-width:100%}.hero-ctas,.hero-stats{justify-content:center}.hero-visual{display:none}.features-grid{grid-template-columns:1fr;gap:20px}.features-grid-v3{grid-template-columns:1fr 1fr;gap:16px}.sample-grid{gap:20px}.sample-grid,.steps-grid{grid-template-columns:1fr}.steps-grid{gap:32px}.steps-grid:before{display:none}.testimonials-grid{grid-template-columns:1fr}.pricing-grid{grid-template-columns:repeat(2,1fr);max-width:600px}.pricing-card.popular{transform:none}.pricing-card.popular:hover{transform:translateY(-4px)}}@media (max-width:600px){.pricing-grid{grid-template-columns:1fr;max-width:350px}.footer-grid{grid-template-columns:1fr 1fr}.hero-stats{flex-direction:column;gap:20px}.hero-stat{text-align:center}.features-grid-v3,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}}.catalog-header-v2{text-align:center;padding:60px 0 40px}.catalog-header-v2 h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}.catalog-header-v2 .subtitle{font-size:1.15rem;color:var(--muted);max-width:600px;margin:0 auto 24px}.catalog-stats{display:flex;gap:24px;justify-content:center;margin-top:24px}.catalog-stat{text-align:center}.catalog-stat strong{display:block;font-size:1.5rem;font-weight:900;font-family:var(--font-display);color:var(--primary)}.catalog-stat span{font-size:14px;color:var(--muted)}.catalog-filters{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}.catalog-filters .filter-btn{padding:10px 20px;border-radius:999px;border:1px solid var(--border);background:var(--card);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.catalog-filters .filter-btn.active,.catalog-filters .filter-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:24px;gap:24px}.course-card{background:var(--card);border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08)}.course-card-image{position:relative;height:180px;overflow:hidden;background:var(--bg-soft)}.course-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-card:hover .course-card-image img{transform:scale(1.05)}.course-card-badge{position:absolute;top:12px;left:12px;padding:6px 12px;background:var(--primary);color:#fff;border-radius:8px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.course-card-badge.badge-new{background:var(--success)}.course-card-badge.badge-popular{background:var(--accent)}.course-card-content{padding:20px;flex:1 1;display:flex;flex-direction:column}.course-card-category{font-size:12px;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.course-card h3{font-size:1.15rem;margin-bottom:8px;line-height:1.3}.course-card p{color:var(--muted);font-size:14px;line-height:1.6;flex:1 1;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-card-meta{display:flex;gap:16px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}.course-card-meta span{display:flex;align-items:center;gap:6px}.course-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:16px}.course-card-price{font-size:1.25rem;font-weight:900;font-family:var(--font-display);color:var(--text)}.course-card-price .price-free{color:var(--success)}.course-card-featured{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}.course-card-featured .course-card-image{height:100%;min-height:280px}.course-card-featured .course-card-content{padding:32px}.course-card-featured h3{font-size:1.5rem}.course-card-featured p{-webkit-line-clamp:3}@media (max-width:900px){.course-grid{grid-template-columns:1fr}.course-card-featured{grid-column:span 1;grid-template-columns:1fr}.course-card-featured .course-card-image{min-height:200px}}.section-divider{margin:60px 0;text-align:center;position:relative}.section-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border)}.section-divider span{position:relative;background:var(--bg);padding:0 24px;color:var(--muted);font-size:14px;font-weight:500}.presentation-viewer{display:flex;flex-direction:column;gap:24px}.presentation-embed-wrapper{position:relative;width:100%}.presentation-embed-wrapper iframe{display:block}.slide-container{background:var(--card);border-radius:16px;padding:40px;min-height:400px;border:1px solid var(--border);box-shadow:var(--shadow)}.slide-header{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.slide-title{margin:0}.slide-title,.slide-title-input{font-size:1.75rem;font-weight:800;color:var(--text);font-family:var(--font-display)}.slide-title-input{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px 14px;background:var(--bg-soft)}.slide-content{font-size:1.125rem;line-height:1.8}.slide-content code{background:var(--bg-soft);padding:2px 8px;border-radius:4px;font-size:.9em}.slide-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-gap:24px;gap:24px;align-items:start}.slide-grid.slide-grid-editing{grid-template-columns:minmax(0,1fr)}.slide-text p{margin:0 0 16px}.slide-text p:last-child{margin-bottom:0}.slide-image img{width:100%;height:auto;display:block;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--border);background:var(--bg-soft)}.slide-image-placeholder{border-radius:12px;border:1px dashed var(--border);background:var(--bg-soft);color:var(--muted);min-height:280px;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px}@media (max-width:900px){.slide-grid{grid-template-columns:1fr}}.slide-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px}.slide-dots{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.slide-dot{width:12px;height:12px;border-radius:50%;border:2px solid var(--border);background:transparent;cursor:pointer;padding:0;transition:all .2s ease}.slide-dot.active,.slide-dot:hover{border-color:var(--primary)}.slide-dot.active{background:var(--primary)}.slide-progress{height:4px;background:var(--bg-soft);border-radius:2px;overflow:hidden}.slide-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:2px;transition:width .3s ease}