:root {
            --primary-blue: #1e3a8a;
            --secondary-blue: #3b82f6;
            --dark-gray: #1f2937;
            --light-gray: #f3f4f6;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            scroll-behavior: smooth;
        }
        
        .hero-gradient {
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(59, 130, 246, 0.8) 100%);
        }
        
        .industrial-pattern {
            background-image: url('https://www.transparenttextures.com/patterns/concrete-wall.png');
            background-blend-mode: overlay;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
        }
        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -38px;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--secondary-blue);
            border: 3px solid var(--primary-blue);
        }
        
        .language-selector:hover .language-dropdown {
            display: block;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }
        
        .delay-100 {
            animation-delay: 0.1s;
        }
        
        .delay-200 {
            animation-delay: 0.2s;
        }
        
        .delay-300 {
            animation-delay: 0.3s;
        }
        
        .nav-link {
            position: relative;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 0;
            background-color: var(--secondary-blue);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .map-container {
            filter: grayscale(30%) contrast(110%) brightness(95%);
        }