:root{--primary-color:#4a90e2;--primary-light:rgba(74,144,226,0.1);--secondary-color:#6c757d;--accent-color:#35c3a9;--bg-light:#f8f9fa;--card-shadow:0 10px 20px rgba(0,0,0,0.05);--text-primary:#333;--text-secondary:#666;--card-bg:#ffffff;--card-border:#eaeaea;--card-hover-border:#4a90e2}.dark-mode{--bg-light:#1a1a1a;--text-primary:#fff;--text-secondary:#aaa;--card-bg:#2d2d2d;--card-border:#3d3d3d;--card-hover-border:#4a90e2}.learning-container{padding:40px 0}.breadcrumb{background-color:transparent;padding-left:0}.breadcrumb-item a{color:var(--primary-color);text-decoration:none}.learning-header{margin-bottom:50px;text-align:center}.learning-title{font-size:2.2rem;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.learning-description{font-size:1.1rem;color:var(--text-secondary);max-width:800px;margin:0 auto 30px;line-height:1.6}.categories-filter{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px}.category-button{padding:8px 16px;border-radius:20px;background-color:var(--card-bg);border:1px solid var(--card-border);color:var(--text-primary);font-size:0.9rem;cursor:pointer;transition:all 0.2s}.category-button:hover,.category-button.active{background-color:var(--primary-color);color:white;border-color:var(--primary-color)}.tutorials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}.tutorial-card{background-color:var(--card-bg);border-radius:12px;overflow:hidden;box-shadow:var(--card-shadow);transition:transform 0.3s ease,box-shadow 0.3s ease;border:1px solid var(--card-border);height:100%;display:flex;flex-direction:column}.tutorial-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,0.1);border-color:var(--card-hover-border)}.tutorial-card-icon{width:60px;height:60px;background-color:var(--primary-light);color:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:30px auto 20px;font-size:24px}.tutorial-card-content{padding:0 25px 25px;flex-grow:1;display:flex;flex-direction:column}.tutorial-card-title{font-size:1.4rem;font-weight:600;margin-bottom:15px;color:var(--text-primary);text-align:center}.tutorial-card-title a{color:inherit;text-decoration:none;transition:color 0.2s}.tutorial-card-title a:hover{color:var(--primary-color)}.tutorial-card-description{color:var(--text-secondary);line-height:1.6;text-align:center;margin-bottom:20px;flex-grow:1}.tutorial-card-footer{display:flex;gap:15px;margin-top:auto}.tutorial-meta-item{display:flex;align-items:center;gap:5px;font-size:0.85rem;color:var(--text-secondary)}.tutorial-card-action{display:block;width:100%;padding:12px;background-color:var(--primary-color);color:white;text-align:center;border-radius:6px;font-weight:500;margin-top:20px;transition:background-color 0.2s;text-decoration:none}.tutorial-card-action:hover{background-color:#357abd;color:white;text-decoration:none}.tutorial-tag{position:absolute;top:15px;right:15px;background-color:var(--accent-color);color:white;padding:5px 10px;border-radius:20px;font-size:0.8rem;font-weight:500}.cta-section{margin-top:60px;background-color:var(--bg-light);border-radius:15px;padding:40px;text-align:center}.cta-title{font-size:1.8rem;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.cta-text{font-size:1.1rem;color:var(--text-secondary);max-width:700px;margin:0 auto 30px}.cta-button{display:inline-block;background-color:var(--primary-color);color:white;padding:12px 30px;border-radius:30px;font-weight:600;text-decoration:none;transition:background-color 0.2s}.cta-button:hover{background-color:#357abd;color:white;text-decoration:none}@media (max-width:768px){.tutorials-grid{grid-template-columns:1fr}.learning-title{font-size:1.8rem}.cta-section{padding:30px 20px}}