:root {
            --primary-color: #7c5cff;
            --secondary-color: #2d3748;
            --light-color: #f7fafc;
            --accent-color: #4fd1c5;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--secondary-color);
            background-color: var(--light-color);
        }

        .footer {
            background-color: white;
            padding: 4rem 0 2rem;
            border-top: 1px solid #e2e8f0;
        }

        .footer-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--primary-color);
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-icons a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.3s ease;
            padding: 0.5rem;
            border-radius: 50%;
            background-color: #f7fafc;
        }

        .social-icons a:hover {
            color: var(--primary-color);
            background-color: #e2e8f0;
        }

        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #e2e8f0;
            margin-top: 2rem;
            color: #4a5568;
            font-size: 0.9rem;
        }

        .copyright a {
            color: var(--primary-color);
            text-decoration: none;
        }

        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .back-to-top:hover {
            background-color: #6a4ce6;
            transform: translateY(-5px);
        }

        @media (max-width: 768px) {
            .footer {
                padding: 3rem 0 1rem;
            }
            
            .footer-title {
                font-size: 1.1rem;
            }
            
            .social-icons {
                gap: 0.5rem;
            }
            
            .social-icons a {
                padding: 0.4rem;
                font-size: 0.8rem;
            }
        }