/* Footer */
        .footer {
            background-color: var(--footer-bg);
            padding: 40px 0 20px;
            border-top: 1px solid var(--border-color);
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            font-weight: 500;
        }
        
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        .copyright {
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            z-index: 100;
            border: none;
        }
        
        .back-to-top:hover {
            background-color: var(--primary-hover);
            transform: translateY(-3px);
        }