.course-preview-container{max-width:800px;padding:var(--spacing-lg) var(--spacing-md);margin:0 auto}.course-preview-hero{margin-bottom:var(--spacing-xl)}.course-preview-image{border-radius:var(--radius-lg);object-fit:cover;aspect-ratio:16/9;width:100%;height:auto}.course-preview-hero-content{margin-top:var(--spacing-lg)}.course-preview-hero-content h1{color:var(--color-primary);margin-bottom:var(--spacing-sm);font-size:2.25rem}.course-preview-description{color:var(--color-text);margin-bottom:var(--spacing-md);font-size:1.2rem;line-height:1.7}.course-preview-meta{gap:var(--spacing-md);color:var(--color-text-light);font-size:.95rem;display:flex}.course-preview-meta-item{align-items:center;gap:var(--spacing-xs);display:flex}.course-preview-section{margin-bottom:var(--spacing-xl)}.course-preview-section h2{color:var(--color-text);margin-bottom:var(--spacing-md);font-size:1.5rem;font-weight:600}.course-preview-objectives{margin:0;padding:0;list-style:none}.course-preview-objectives li{padding-left:var(--spacing-lg);margin-bottom:var(--spacing-sm);line-height:1.6;position:relative}.course-preview-objectives li:before{content:"✓";color:var(--color-success);font-weight:600;position:absolute;left:0}.course-preview-details{gap:var(--spacing-lg);padding:var(--spacing-lg);background-color:var(--color-bg-alt);border-radius:var(--radius-lg);grid-template-columns:repeat(auto-fit,minmax(250px,1fr));display:grid}.course-preview-detail h3{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-light);margin-bottom:var(--spacing-xs);font-size:.875rem;font-weight:600}.course-preview-detail p{color:var(--color-text);margin:0;line-height:1.6}.course-preview-lessons{margin:0;padding:0;list-style:none}.course-preview-lesson{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--color-border);display:flex}.course-preview-lesson:last-child{border-bottom:none}.course-preview-lesson-number{background-color:var(--color-bg-alt);width:2rem;height:2rem;color:var(--color-text-light);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:600;display:flex}.course-preview-lesson-name{color:var(--color-text);flex:1;font-size:1rem}.course-preview-lesson-lock{opacity:.5;flex-shrink:0;font-size:.875rem}.course-preview-cta{text-align:center;padding:var(--spacing-xl) 0;margin-top:var(--spacing-lg);border-top:1px solid var(--color-border)}.course-preview-cta-group{align-items:center;gap:var(--spacing-sm);flex-direction:column;display:flex}@media (max-width:768px){.course-preview-hero-content h1{font-size:1.75rem}.course-preview-description{font-size:1.05rem}.course-preview-meta{gap:var(--spacing-xs);flex-direction:column}}