:root {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --hover-color: #2980b9;
        }
        body {
            font-family: 'Roboto', Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f0f2f5;
            color: #333;
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: var(--secondary-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .navbar-logo {
            font-size: 24px;
            font-weight: bold;
            color: #fff;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .navbar-logo:hover {
            color: var(--primary-color);
        }
        .navbar ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
        }
        .navbar ul li {
            margin-left: 30px;
        }
        .navbar ul li a {
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            transition: .3s;
            padding: 10px 0;
            position: relative;
        }
        .navbar ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        .navbar ul li a:hover {
            color: var(--primary-color);
        }
        .navbar ul li a:hover::after {
            width: 100%;
        }
        .container {
            max-width: 800px;
            margin: 120px auto 50px;
            background: #fff;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            animation: fadeIn 1s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        h1, h2 {
            color: #2c3e50;
            text-align: center;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.5em;
            margin-top: 0;
        }
        p {
            line-height: 1.8;
            color: #34495e;
        }
        .features, .download, .contact {
            margin-top: 40px;
            padding: 20px;
            background: #f9f9f9;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .features:hover, .download:hover, .contact:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .features ul {
            list-style-type: none;
            padding-left: 0;
        }
        .features li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            transition: all 0.3s ease;
        }
        .features li:last-child {
            border-bottom: none;
        }
        .features li:before {
            content: "✓";
            color: #27ae60;
            margin-right: 10px;
        }
        .features li:hover {
            transform: translateX(10px);
            color: #2980b9;
        }
        .download a {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .download a:hover {
            background: #2980b9;
            transform: scale(1.05);
        }
        .contact p {
            margin: 5px 0;
        }
        footer {
            background-color: #2c3e50;
            color: #ffffff;
            padding: 60px 0 30px;
            margin-top: 50px;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .footer-sections {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        
        .footer-section {
            flex: 1;
            margin-right: 40px;
            margin-bottom: 30px;
            min-width: 250px;
        }
        
        .footer-section:last-child {
            margin-right: 0;
        }
        
        .footer-section h3 {
            color: #3498db;
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: #3498db;
        }
        
        .footer-section ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-section ul li {
            margin-bottom: 12px;
        }
        
        .footer-section ul li a {
            color: #ecf0f1;
            text-decoration: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
        }
        
        .footer-section ul li a i {
            margin-right: 10px;
            font-size: 12px;
        }
        
        .footer-section ul li a:hover {
            color: #3498db;
        }
        
        .footer-section p {
            line-height: 1.8;
            margin-bottom: 15px;
        }
        
        .social-icons {
            display: flex;
            margin-top: 20px;
        }
        
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #34495e;
            color: #ffffff;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            background-color: #3498db;
            transform: translateY(-3px);
        }
        
        .stats-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 30px;
            padding: 30px 0;
            border-top: 1px solid #34495e;
            border-bottom: 1px solid #34495e;
        }
        
        .stat-item {
            display: flex;
            align-items: center;
            margin: 10px 30px;
            font-size: 16px;
            color: #ecf0f1;
        }
        
        .stat-item i {
            margin-right: 15px;
            font-size: 24px;
            color: #3498db;
        }
        
        .copyright {
            text-align: center;
            font-size: 14px;
            color: #bdc3c7;
            margin-top: 20px;
        }
        
        @media (max-width: 768px) {
            .footer-sections {
                flex-direction: column;
            }
            
            .footer-section {
                margin-right: 0;
                margin-bottom: 40px;
            }
            
            .stats-container {
                flex-direction: column;
                align-items: center;
            }
            
            .stat-item {
                margin: 15px 0;
            }
        }
        .stat-item i {
            margin-right: 10px;
            font-size: 18px;
            color: #3498db;
        }
        .copyright {
            text-align: center;
            font-size: 14px;
            color: #ffffff;
        }
        @media (max-width: 768px) {
            .navbar-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .navbar ul {
                margin-top: 15px;
            }
            .navbar ul li {
                margin-left: 0;
                margin-right: 20px;
            }
            .container {
                margin: 100px 20px 20px;
                padding: 20px;
            }
            .footer-sections {
                flex-direction: column;
            }
            .footer-section {
                margin-right: 0;
                margin-bottom: 30px;
            }