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var(--color-border-light);font-size:var(--text-sm);color:var(--color-text-tertiary)}.course-card-meta-item{display:flex;align-items:center;gap:var(--space-1)}.course-card-footer{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);background:var(--color-bg-secondary)}.course-card-price{display:flex;align-items:baseline;gap:var(--space-2)}.price-current{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:800;color:var(--color-text-primary)}.price-original{font-size:var(--text-sm);color:var(--color-text-tertiary);text-decoration:line-through}.features-section{padding:var(--space-24) 0;background:var(--color-bg-secondary)}.section-header{text-align:center;max-width:700px;margin:0 auto var(--space-16)}.section-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--color-primary-50);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:600;color:var(--color-primary);margin-bottom:var(--space-4)}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:var(--space-4)}.section-description{font-size:var(--text-lg);color:var(--color-text-secondary);line-height:1.8}.feature-card{padding:var(--space-8);background:var(--color-surface);border-radius:var(--radius-2xl);border:1px solid var(--color-border-light);transition:all var(--transition-base);height:100%}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.feature-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;background:var(--gradient-primary);border-radius:var(--radius-xl);font-size:var(--text-2xl);margin-bottom:var(--space-5)}.feature-title{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-3)}.feature-description{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.7}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6)}.category-card{padding:var(--space-6);background:var(--color-surface);border-radius:var(--radius-xl);border:2px solid var(--color-border-light);transition:all var(--transition-base);cursor:pointer;text-decoration:none;color:inherit}.category-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-lg),0 0 0 4px var(--color-primary-50);transform:translateY(-4px)}.category-icon{font-size:3rem;margin-bottom:var(--space-4)}.category-name{font-size:var(--text-lg);font-weight:700;margin-bottom:var(--space-2)}.category-count{font-size:var(--text-sm);color:var(--color-text-tertiary)}.cta-section{padding:var(--space-24) 0}.cta-card{position:relative;padding:var(--space-16) var(--space-8);background:var(--gradient-primary);border-radius:var(--radius-2xl);text-align:center;overflow:hidden}.cta-card:before{content:"";position:absolute;top:-50%;right:-25%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%}.cta-content{position:relative;z-index:1;max-width:600px;margin:0 auto}.cta-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--color-text-inverse);margin-bottom:var(--space-4)}.cta-description{font-size:var(--text-lg);color:#ffffffe6;margin-bottom:var(--space-8)}.cta-btn{background:var(--color-surface);color:var(--color-primary)}.cta-btn:hover{background:var(--color-text-inverse)}.footer{background:var(--color-text-primary);color:var(--color-text-inverse);padding:var(--space-16) 0 var(--space-8)}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:var(--space-12);margin-bottom:var(--space-12)}.footer-brand{max-width:300px}.footer-logo{display:flex;align-items:center;gap:var(--space-3);font-family:var(--font-display);font-size:var(--text-xl);font-weight:800;color:var(--color-text-inverse);margin-bottom:var(--space-4)}.footer-logo img{height:36px;filter:brightness(1.2)}.footer-description{font-size:var(--text-sm);color:var(--color-text-tertiary);line-height:1.8;margin-bottom:var(--space-6)}.footer-social{display:flex;gap:var(--space-3)}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:#ffffff1a;border-radius:var(--radius-lg);color:var(--color-text-inverse);transition:all var(--transition-fast)}.social-link:hover{background:var(--color-primary);transform:translateY(-2px)}.footer-column h4{font-size:var(--text-sm);font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-4);color:var(--color-text-inverse)}.footer-links{list-style:none;display:flex;flex-direction:column;gap:var(--space-3)}.footer-links a{font-size:var(--text-sm);color:var(--color-text-tertiary);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-text-inverse)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-8);border-top:1px solid rgba(255,255,255,.1);font-size:var(--text-sm);color:var(--color-text-tertiary)}@media (max-width: 1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:span 2}}@media (max-width: 640px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:span 1}.footer-bottom{flex-direction:column;gap:var(--space-4);text-align:center}}.page-header{padding:calc(80px + var(--space-16)) 0 var(--space-16);background:var(--color-bg-secondary);text-align:center}.page-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:var(--space-4)}.page-description{font-size:var(--text-lg);color:var(--color-text-secondary);max-width:600px;margin:0 auto}.skeleton{background:linear-gradient(90deg,var(--color-bg-secondary) 25%,var(--color-border-light) 50%,var(--color-bg-secondary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.skeleton-text{height:1em;margin-bottom:var(--space-2)}.skeleton-title{height:1.5em;width:70%;margin-bottom:var(--space-4)}