* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .container {
            text-align: center;
            max-width: 900px;
            width: 100%;
        }
        h1 {
            color: white;
            font-size: 48px;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .subtitle {
            color: rgba(255,255,255,0.9);
            font-size: 20px;
            margin-bottom: 50px;
        }
        .cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        .card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.4);
        }
        .icon {
            font-size: 64px;
            margin-bottom: 20px;
        }
        .card h2 {
            color: #333;
            font-size: 28px;
            margin-bottom: 15px;
        }
        .card p {
            color: #666;
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 25px;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: 600;
            transition: opacity 0.3s ease;
        }
        .btn:hover {
            opacity: 0.9;
        }
        .footer {
            margin-top: 60px;
            color: rgba(255,255,255,0.8);
            font-size: 14px;
        }