:root{--primary-color: #2E5AAC;--primary-dark: #1F4F8A;--primary-light: #3FAE78;--accent-color: #F7B500;--success-color: #3FAE78;--danger-color: #EF4444;--warning-color: #F59E0B;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--white: #FFFFFF;--black: #000000;--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1);--transition: all .3s ease}.container-course{max-width:1280px;margin:0 auto;padding:0 2rem}.course-detail-page{background:var(--gray-50);min-height:100vh;padding-bottom:4rem}.breadcrumb-wrapper{background:var(--white);border-bottom:1px solid var(--gray-200);padding:1rem 0}.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-600)}.breadcrumb-link{color:var(--primary-color);text-decoration:none;transition:var(--transition)}.breadcrumb-link:hover{color:var(--primary-dark);text-decoration:underline}.breadcrumb-separator{color:var(--gray-400)}.breadcrumb-current{color:var(--gray-700);font-weight:500}.alert-container{margin:1.5rem 0}.course-hero-section{background:linear-gradient(135deg,#2e5aac,#1f4f8a);color:var(--white);padding:3rem 0;position:relative;overflow:hidden}.course-hero-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 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1rem;border-radius:50px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.course-badge.primary{background:#fff3;color:var(--white)}.course-badge.level{background:var(--accent-color);color:var(--gray-900)}.course-badge.lang{background:var(--primary-light);color:var(--white)}.course-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;margin-bottom:1rem;color:var(--white)}.course-lead{font-size:1.125rem;line-height:1.7;color:#ffffffe6;margin-bottom:2rem}.course-stats{display:flex;gap:2rem;flex-wrap:wrap;margin-bottom:2rem}.stat-item{display:flex;align-items:center;gap:.5rem;color:#fffffff2;font-size:.95rem}.stat-item i{color:var(--accent-color);font-size:1.1rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}.inline-form{display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:50px;font-weight:600;text-decoration:none;transition:var(--transition);cursor:pointer;border:none;font-size:1rem;line-height:1.5}.btn-primary{background:var(--white);color:var(--primary-color)}.btn-primary:hover{background:var(--accent-color);color:var(--gray-900);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.5)}.btn-outline:hover{background:#ffffff1a;border-color:var(--white)}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.btn-xl{padding:1.25rem 2.5rem;font-size:1.25rem}.btn-block{width:100%}.social-proof{display:flex;align-items:center;gap:1rem}.student-avatars{display:flex;align-items:center}.student-avatars .avatar{width:40px;height:40px;border-radius:50%;border:3px solid var(--primary-color);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--white);margin-left:-10px;font-size:.875rem}.student-avatars .avatar:first-child{margin-left:0}.proof-text{font-size:.875rem;color:#ffffffe6;margin:0}.hero-visual{position:relative}.course-preview-card{background:var(--white);border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-xl);position:sticky;top:2rem}.preview-image{position:relative;width:100%;height:320px;overflow:hidden}.preview-image img{width:100%;height:100%;object-fit:cover}.play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0000004d;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}.preview-image:hover .play-overlay{opacity:1}.play-button{width:80px;height:80px;border-radius:50%;background:var(--white);color:var(--primary-color);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:2rem;transition:var(--transition)}.play-button:hover{transform:scale(1.1);background:var(--accent-color)}.preview-placeholder{width:100%;height:320px;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--white)}.preview-placeholder i{font-size:4rem;margin-bottom:1rem;opacity:.7}.preview-placeholder p{font-size:1.125rem;font-weight:600;text-align:center;padding:0 2rem}.price-card{padding:2rem}.price-section{text-align:center;padding-bottom:1.5rem;border-bottom:1px solid var(--gray-200);margin-bottom:1.5rem}.price-label{font-size:.875rem;color:var(--gray-600);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.price-amount{display:flex;align-items:baseline;justify-content:center;gap:.25rem;margin-bottom:.75rem}.free-badge{font-size:2.5rem;font-weight:800;color:var(--success-color)}.currency{font-size:1.5rem;font-weight:700;color:var(--gray-700)}.amount{font-size:3rem;font-weight:800;color:var(--gray-900)}.original-price{display:flex;align-items:center;justify-content:center;gap:.75rem;font-size:.875rem;color:var(--gray-500)}.discount-badge{background:var(--success-color);color:var(--white);padding:.25rem .75rem;border-radius:50px;font-weight:600;font-size:.75rem}.price-features{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}.feature-item{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--gray-700)}.feature-item i{color:var(--success-color);font-size:1rem}.content-layout{display:grid;grid-template-columns:1fr 380px;gap:2rem;margin-top:3rem}.main-content{min-width:0}.course-nav-tabs{display:flex;gap:.5rem;background:var(--white);padding:.5rem;border-radius:var(--border-radius);box-shadow:var(--shadow-sm);margin-bottom:2rem;overflow-x:auto;position:sticky;top:0;z-index:100}.tab-button{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;background:transparent;color:var(--gray-700);font-weight:600;border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap}.tab-button:hover{background:var(--gray-100);color:var(--primary-color)}.tab-button.active{background:var(--primary-color);color:var(--white)}.tab-button i{font-size:1rem}.tab-content{display:none}.tab-content.active{display:block}.content-card{background:var(--white);border-radius:var(--border-radius);padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow-sm)}.section-title{font-size:1.75rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}.section-subtitle{font-size:.95rem;color:var(--gray-600);margin-bottom:1.5rem}.course-description{font-size:1rem;line-height:1.7;color:var(--gray-700)}.outcomes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.outcome-item{display:flex;align-items:start;gap:.75rem;padding:1rem;background:var(--gray-50);border-radius:var(--border-radius-sm);transition:var(--transition)}.outcome-item:hover{background:var(--gray-100);transform:translate(4px)}.outcome-item i{color:var(--success-color);font-size:1.25rem;margin-top:.25rem}.outcome-item span{flex:1;font-size:.95rem;color:var(--gray-700);line-height:1.6}.requirements-list{list-style:none;padding:0;margin:0}.requirements-list li{padding:.75rem 0 .75rem 2rem;position:relative;border-bottom:1px solid var(--gray-100);color:var(--gray-700)}.requirements-list li:last-child{border-bottom:none}.requirements-list li:before{content:"▸";position:absolute;left:0;color:var(--primary-color);font-weight:700}.audience-tags{display:flex;flex-wrap:wrap;gap:1rem}.audience-tag{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--gray-50);border:2px solid var(--gray-200);border-radius:50px;color:var(--gray-700);font-weight:500;transition:var(--transition)}.audience-tag:hover{background:var(--primary-color);border-color:var(--primary-color);color:var(--white)}.audience-tag i{font-size:1.125rem}.curriculum-accordion{display:flex;flex-direction:column;gap:1rem}.module-item{border:2px solid var(--gray-200);border-radius:var(--border-radius);overflow:hidden;transition:var(--transition)}.module-item:hover{border-color:var(--primary-color)}.module-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;background:var(--gray-50);cursor:pointer;transition:var(--transition)}.module-item.active .module-header{background:var(--primary-color);color:var(--white)}.module-info{flex:1}.module-title{font-size:1.125rem;font-weight:700;margin-bottom:.5rem}.module-meta{display:flex;gap:1.5rem;font-size:.875rem;opacity:.8}.module-meta span{display:flex;align-items:center;gap:.5rem}.module-toggle{width:40px;height:40px;border-radius:50%;background:var(--white);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}.module-item.active .module-toggle{transform:rotate(180deg);background:var(--white);color:var(--primary-color)}.module-lessons{max-height:0;overflow:hidden;transition:max-height .3s ease}.lesson-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;border-top:1px solid var(--gray-200);transition:var(--transition)}.lesson-item:hover{background:var(--gray-50)}.lesson-icon{width:36px;height:36px;border-radius:50%;background:var(--gray-100);display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.lesson-info{flex:1;display:flex;justify-content:space-between;align-items:center}.lesson-title{font-weight:500;color:var(--gray-700)}.lesson-duration{font-size:.875rem;color:var(--gray-500)}.lesson-status{color:var(--gray-400)}.instructor-profile{display:flex;flex-direction:column;gap:2rem}.instructor-header{display:flex;gap:2rem;align-items:start}.instructor-avatar-large{flex-shrink:0}.instructor-avatar-large 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i{color:var(--accent-color)}.instructor-bio{font-size:1rem;line-height:1.7;color:var(--gray-700)}.instructor-social{display:flex;gap:1rem}.social-link{width:44px;height:44px;border-radius:50%;background:var(--gray-100);color:var(--gray-700);display:flex;align-items:center;justify-content:center;text-decoration:none;transition:var(--transition)}.social-link:hover{background:var(--primary-color);color:var(--white);transform:translateY(-3px)}.rating-summary{display:grid;grid-template-columns:200px 1fr;gap:3rem;padding:2rem;background:var(--gray-50);border-radius:var(--border-radius);margin-bottom:2rem}.rating-score{text-align:center}.score-large{font-size:4rem;font-weight:800;color:var(--gray-900);line-height:1}.stars-large{color:var(--accent-color);font-size:1.5rem;margin:.5rem 0}.rating-count{font-size:.95rem;color:var(--gray-600)}.rating-bars{display:flex;flex-direction:column;gap:.75rem}.rating-bar-item{display:grid;grid-template-columns:60px 1fr 60px;align-items:center;gap:1rem}.bar-label{display:flex;align-items:center;gap:.25rem;font-size:.875rem;color:var(--gray-700)}.bar-label i{color:var(--accent-color);font-size:.75rem}.bar-track{height:8px;background:var(--gray-200);border-radius:50px;overflow:hidden}.bar-fill{height:100%;background:var(--accent-color);border-radius:50px;transition:width .6s ease}.bar-percent{text-align:right;font-size:.875rem;color:var(--gray-600)}.reviews-list{display:flex;flex-direction:column;gap:2rem}.review-item{padding:1.5rem;background:var(--gray-50);border-radius:var(--border-radius)}.review-header{display:flex;gap:1rem;margin-bottom:1rem}.reviewer-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem}.reviewer-info{flex:1}.reviewer-name{font-size:1.125rem;font-weight:600;color:var(--gray-900);margin-bottom:.25rem}.review-meta{display:flex;align-items:center;gap:1rem}.review-stars{color:var(--gray-300)}.review-stars i.filled{color:var(--accent-color)}.review-date{font-size:.875rem;color:var(--gray-500)}.review-text{color:var(--gray-700);line-height:1.7;margin:0}.faq-accordion{display:flex;flex-direction:column;gap:1rem}.faq-item{border:1px solid var(--gray-200);border-radius:var(--border-radius);overflow:hidden}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;background:var(--gray-50);cursor:pointer;transition:var(--transition)}.faq-question:hover{background:var(--gray-100)}.faq-item.active .faq-question{background:var(--primary-color);color:var(--white)}.faq-question h3{font-size:1.125rem;font-weight:600;margin:0}.faq-toggle{width:32px;height:32px;border-radius:50%;background:var(--white);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}.faq-item.active .faq-toggle{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-answer p{padding:1.5rem;margin:0;color:var(--gray-700);line-height:1.7}.sidebar{position:relative}.sidebar-sticky{position:sticky;top:2rem}.sidebar-card{background:var(--white);border-radius:var(--border-radius);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.card-title{font-size:1.125rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem}.features-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.features-list li{display:flex;align-items:center;gap:.75rem;font-size:.95rem;color:var(--gray-700)}.features-list i{color:var(--primary-color);font-size:1rem}.share-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem}.share-btn{width:44px;height:44px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;color:var(--white);cursor:pointer;transition:var(--transition)}.share-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.share-btn.facebook{background:#1877f2}.share-btn.twitter{background:#1da1f2}.share-btn.linkedin{background:#0a66c2}.share-btn.whatsapp{background:#25d366}.share-btn.copy{background:var(--gray-700)}.batches-list{display:flex;flex-direction:column;gap:1rem}.batch-item{padding:1rem;background:var(--gray-50);border-radius:var(--border-radius-sm);border-left:3px solid var(--primary-color)}.batch-date{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-600);margin-bottom:.5rem}.batch-name{font-weight:600;color:var(--gray-900);margin-bottom:.25rem}.batch-location{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-600)}.cta-section{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));padding:4rem 0;margin-top:4rem}.cta-card{text-align:center;color:var(--white)}.cta-card h2{font-size:2.5rem;font-weight:800;margin-bottom:1rem}.cta-card p{font-size:1.25rem;margin-bottom:2rem;opacity:.9}@media (max-width: 1024px){.hero-grid,.content-layout{grid-template-columns:1fr}.course-preview-card{position:static;margin-top:2rem}.rating-summary{grid-template-columns:1fr;gap:2rem}}@media (max-width: 768px){.container-course{padding:0 1rem}.course-hero-section{padding:2rem 0}.course-title{font-size:1.75rem}.course-stats{gap:1rem}.hero-actions{flex-direction:column}.btn{width:100%}.course-nav-tabs{overflow-x:auto;scrollbar-width:none}.course-nav-tabs::-webkit-scrollbar{display:none}.tab-button{padding:.75rem 1rem;font-size:.875rem}.instructor-header{flex-direction:column;text-align:center}.instructor-stats{justify-content:center}.share-buttons{grid-template-columns:repeat(3,1fr)}.outcomes-grid{grid-template-columns:1fr}}@media (max-width: 480px){.course-title{font-size:1.5rem}.content-card{padding:1.5rem}.cta-card h2{font-size:1.75rem}.cta-card p{font-size:1rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.content-card{animation:fadeIn .5s ease}@media print{.breadcrumb-wrapper,.hero-actions,.social-proof,.course-nav-tabs,.sidebar,.cta-section,.share-buttons{display:none!important}.course-hero-section{background:var(--white);color:var(--gray-900)}.content-layout{grid-template-columns:1fr}}