.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;margin-top:2rem}.course-card{background:var(--cl-bg-white);border-radius:12px;overflow:hidden;box-shadow:var(--cl-shadow-sm);transition:all var(--cl-transition);display:flex;flex-direction:column}.course-card:hover{transform:translateY(-4px);box-shadow:var(--cl-shadow-md)}.course-card-image{position:relative;aspect-ratio:16/9;overflow:hidden}.course-card-image img{width:100%;height:100%;object-fit:cover}.course-card-badge{position:absolute;top:1rem;right:1rem;padding:.35rem .75rem;border-radius:20px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.badge-free{background:#10b981;color:#fff}.badge-basic{background:var(--cl-primary);color:#fff}.badge-premium{background:#8b5cf6;color:#fff}.badge-intensive{background:#f59e0b;color:#fff}.course-card-content{padding:1.5rem;flex:1;display:flex;flex-direction:column}.course-card-content h3{font-size:1.25rem;margin-bottom:.5rem}.course-card-content h3 a{color:var(--cl-text);text-decoration:none}.course-card-content h3 a:hover{color:var(--cl-primary)}.course-card-description{color:var(--cl-text-light);font-size:.95rem;line-height:1.6;flex:1}.course-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--cl-border)}.course-card-price{font-size:1.25rem;font-weight:700;color:var(--cl-primary)}.course-card-price .price-original{font-size:.85rem;color:var(--cl-text-muted);text-decoration:line-through;font-weight:400;margin-right:.25rem}.course-card-lessons{font-size:.85rem;color:var(--cl-text-muted)}.course-detail-hero{position:relative;padding:4rem 0;background-size:cover;background-position:center;background-color:var(--cl-primary);color:#fff}.course-detail-hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.course-detail-info h1{color:#fff;font-size:2.25rem;margin-bottom:.75rem}.course-detail-info p{font-size:1.1rem;opacity:.95;line-height:1.7}.course-detail-meta{display:flex;gap:1.5rem;margin:1.5rem 0;flex-wrap:wrap}.course-detail-meta span{display:flex;align-items:center;gap:.35rem;font-size:.95rem;opacity:.9}.course-detail-thumbnail{border-radius:12px;overflow:hidden;box-shadow:0 20px 40px #0000004d}.course-detail-thumbnail img{width:100%;display:block}.course-lessons{padding:var(--cl-section-padding) 0}.course-lessons .container{max-width:900px}.course-lessons h2{margin-bottom:1.5rem}.lesson-list{list-style:none;padding:0;margin:0}.lesson-item{border:1px solid var(--cl-border);border-radius:8px;margin-bottom:.75rem;transition:all var(--cl-transition)}.lesson-item:hover{border-color:var(--cl-primary);box-shadow:var(--cl-shadow-sm)}.lesson-item a{display:flex;align-items:center;padding:1rem 1.25rem;text-decoration:none;color:var(--cl-text);gap:1rem}.lesson-number{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--cl-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}.lesson-info{flex:1}.lesson-info h4{margin:0 0 .25rem;font-size:1rem}.lesson-info p{margin:0;font-size:.85rem;color:var(--cl-text-muted)}.lesson-badge{font-size:.75rem;padding:.2rem .6rem;border-radius:12px;font-weight:600;flex-shrink:0}.lesson-badge-free{background:#dcfce7;color:#166534}.lesson-badge-locked{background:#fef3c7;color:#92400e}.lesson-badge-video{background:#fee2e2;color:#991b1b}.lesson-header{background:var(--cl-bg-alt);padding:2rem 0;border-bottom:1px solid var(--cl-border)}.lesson-header .container{max-width:900px}.lesson-breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--cl-text-muted);margin-bottom:1rem}.lesson-breadcrumb a{color:var(--cl-primary);text-decoration:none}.lesson-breadcrumb a:hover{text-decoration:underline}.lesson-header h1{font-size:2rem;margin-bottom:.5rem}.lesson-header p{color:var(--cl-text-light);font-size:1.05rem}.lesson-content{padding:var(--cl-section-padding) 0}.lesson-content .container{max-width:900px}.lesson-video{margin-bottom:2.5rem}.lesson-body{line-height:1.8;font-size:1.05rem}.lesson-body h2{margin-top:2.5rem;margin-bottom:1rem}.lesson-body h3{margin-top:2rem;margin-bottom:.75rem}.lesson-body ul,.lesson-body ol{margin:1rem 0;padding-left:1.5rem}.lesson-body li{margin-bottom:.5rem}.lesson-body blockquote{border-left:4px solid var(--cl-primary);padding:1rem 1.5rem;margin:1.5rem 0;background:var(--cl-bg-alt);border-radius:0 8px 8px 0}.lesson-body strong{color:var(--cl-text)}.lesson-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--cl-border)}.lesson-nav a{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:8px;background:var(--cl-bg-alt);text-decoration:none;color:var(--cl-text);font-weight:500;transition:all var(--cl-transition)}.lesson-nav a:hover{background:var(--cl-primary);color:#fff}.lesson-nav-next{margin-left:auto}.course-enroll-cta{background:var(--cl-bg-alt);border-radius:12px;padding:2rem;text-align:center;margin:2rem 0}.course-enroll-cta h3{margin-bottom:.75rem}.course-enroll-cta p{color:var(--cl-text-light);margin-bottom:1.5rem}.lesson-locked{text-align:center;padding:4rem 2rem;background:var(--cl-bg-alt);border-radius:12px;margin:2rem 0}.lesson-locked-icon{font-size:3rem;margin-bottom:1rem}.lesson-locked h3{margin-bottom:.75rem}.lesson-locked p{color:var(--cl-text-light);margin-bottom:1.5rem;max-width:400px;margin-left:auto;margin-right:auto}.course-about{padding:var(--cl-section-padding) 0}.course-about .container{max-width:900px}.course-about-content{line-height:1.8;font-size:1.05rem}@media(max-width:768px){.course-detail-hero .container{grid-template-columns:1fr;text-align:center}.course-detail-thumbnail{max-width:400px;margin:0 auto}.course-detail-meta{justify-content:center}.courses-grid{grid-template-columns:1fr}.lesson-nav{flex-direction:column}.lesson-nav-next{margin-left:0}}