:root {
            --primary-color: #000000;
            --secondary-color: #000000;
            --accent-color: #0088cc;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
        }
        
        .btn-primary {
            background-color: var(--accent-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-primary:hover {
            background-color: #0088cc;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .step-card {
            border: 2px solid var(--primary-color);
            border-radius: 10px;
            padding: 2rem;
            margin-bottom: 2rem;
            text-align: center;
            transition: all 0.3s;
        }
        
        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            margin: 0 auto 1rem;
        }
        
        .testimonial {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            margin-bottom: 2rem;
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 10px;
        }
        
        .cta-section {
            background-color: var(--primary-color);
            color: white;
            padding: 4rem 0;
            margin-top: 3rem;
        }
        
        .telegram-btn {
            background-color: #0088cc;
            color: white;
            font-weight: 600;
            padding: 12px 25px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .telegram-btn:hover {
            background-color: #006699;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .telegram-btn i {
            font-size: 24px;
            margin-right: 10px;
        }