:root {
            --primary-color: #223777;
            --secondary-color: #000000;
            --accent-color: #4f46e5;
            --text-gray: #6b7280;
            --light-gray: #f3f4f6;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--secondary-color);
        }
        
        .primary-color { color: var(--primary-color); }
        .bg-primary { background-color: var(--primary-color); }
        .border-primary { border-color: var(--primary-color); }
        
        .hover-primary:hover { 
            background-color: var(--primary-color); 
            color: white;
            transform: translateY(-2px);
            transition: all 0.3s ease;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        }
        
        .card-hover {
            transition: all 0.3s ease;
        }
        
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(34, 55, 119, 0.15);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
        }
        
        .section-padding {
            padding: 60px 0;
        }
        
        .quote-box {
            border-left: 4px solid var(--primary-color);
            background-color: #f8fafc;
            padding: 20px 30px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        
        .cta-button {
            background: var(--primary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            display: inline-block;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .cta-button:hover {
            background: var(--accent-color);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(34, 55, 119, 0.3);
        }
        
        .video-container {
            position: relative;
            width: 100%;
            height: 400px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        
        .stat-card {
            text-align: center;
            padding: 30px 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        
        .faq-item {
            border-bottom: 1px solid #e5e7eb;
            padding: 20px 0;
        }
        
        .faq-question {
            font-weight: 600;
            color: var(--primary-color);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            margin-top: 15px;
            color: var(--text-gray);
            line-height: 1.7;
        }
        
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
            
            .video-container {
                height: 250px;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        
        .machinery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        
        .machinery-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .machinery-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(34, 55, 119, 0.15);
        }
        
        .process-step {
            position: relative;
            padding: 30px;
            background: white;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }
        
        .process-number {
            position: absolute;
            top: -15px;
            left: 30px;
            width: 40px;
            height: 40px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
        }