* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 20px 0;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #667eea;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: #667eea;
        }

        .hero {
            padding: 80px 0;
            text-align: center;
            color: white;
        }

        h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            background: linear-gradient(45deg, #fff, #e0e0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 40px;
            opacity: 0.9;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 30px;
            background: linear-gradient(45deg, #ff6b6b, #ee5a24);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(238, 90, 36, 0.6);
        }

        .content-section {
            background: white;
            margin: 40px 0;
            padding: 60px 0;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        h2 {
            font-size: 2.5rem;
            color: #333;
            margin-bottom: 30px;
            text-align: center;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .feature-card {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            padding: 40px 30px;
            border-radius: 15px;
            text-align: center;
            color: white;
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .stats-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 60px 0;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: #ffeb3b;
        }

        .guide-section {
            padding: 60px 0;
        }

        .guide-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .guide-text {
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .guide-image {
            text-align: center;
        }

        .mock-screenshot {
            width: 100%;
            max-width: 400px;
            height: 300px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        footer {
            background: #333;
            color: white;
            padding: 40px 0;
            text-align: center;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }

            .header-content {
                flex-direction: column;
                gap: 20px;
            }

            nav ul {
                gap: 20px;
            }

            .guide-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }
        }