/* ==================== Responsive Design - Enhanced ==================== */
        
        /* Large Devices (Desktops, 1200px and up) */
        @media (max-width: 1200px) {
            :root {
                --max-width: 1140px;
            }
            
            .container {
                padding: 0 var(--space-6);
            }
        }

        /* Medium Devices (Tablets, 992px and up) */
        @media (max-width: 992px) {
            :root {
                --max-width: 960px;
            }
            
            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
                gap: var(--space-10);
            }
            
            .section {
                padding: var(--space-16) 0;
            }
            
            .section-title {
                font-size: var(--font-4xl);
            }
        }

        /* Small Devices (Tablets, 768px and up) */
        @media (max-width: 768px) {
            :root {
                --max-width: 720px;
            }
            
            /* Navigation */
            .nav-menu {
                position: fixed;
                right: -100%;
                top: 72px;
                flex-direction: column;
                background-color: var(--bg-color);
                width: 100%;
                text-align: center;
                transition: right var(--transition-base) var(--ease-out);
                box-shadow: var(--shadow-2xl);
                padding: var(--space-8) 0;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
                gap: var(--space-1);
            }

            .nav-menu.active {
                right: 0;
            }

            .nav-link {
                width: 100%;
                padding: var(--space-4);
            }

            .menu-toggle {
                display: flex;
            }
            
            /* Hero */
            .hero {
                min-height: 90vh;
                padding-top: 72px;
            }
            
            .hero-title {
                font-size: var(--font-4xl);
            }

            .hero-subtitle {
                font-size: var(--font-lg);
            }
            
            /* Grids */
            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: var(--space-6);
            }
            
            .services-grid {
                grid-template-columns: 1fr;
                gap: var(--space-8);
            }
            
            .sectors-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-4);
            }
            
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-6);
                justify-items: center;
            }
            
            /* Footer */
            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--space-8);
            }
        }

        /* Extra Small Devices (Phones, 576px and down) */
        @media (max-width: 576px) {
            :root {
                --max-width: 540px;
            }
            
            .container {
                padding: 0 var(--space-4);
            }
            
            /* Hero */
            .hero-title {
                font-size: var(--font-3xl);
            }

            .hero-subtitle {
                font-size: var(--font-base);
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero .btn {
                width: 100%;
            }
            
            /* Sections */
            .section {
                padding: var(--space-12) 0;
            }
            
            .section-title {
                font-size: var(--font-3xl);
            }
            
            .section-subtitle {
                font-size: var(--font-base);
            }
            
            /* Grids */
            .features-grid,
            .services-grid,
            .sectors-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                justify-items: center;
                gap: var(--space-6);
                justify-items: center;
            }

            .about-stats {
                grid-template-columns: 1fr;
                gap: var(--space-4);
            }
            
            /* Cards */
            .feature-card,
            .service-card {
                padding: var(--space-6);
            }
            
            .feature-icon {
                width: 70px;
                height: 70px;
                font-size: 2rem;
            }
            
            /* Forms */
            .contact-form {
                padding: var(--space-6);
            }
            
            /* Scroll to Top */
            .scroll-top {
                bottom: var(--space-4);
                left: var(--space-4);
                width: 45px;
                height: 45px;
            }
            
            /* Footer */
            .footer {
                padding: var(--space-10) 0 var(--space-4);
            }
        }

        /* Ultra Small Devices (320px and down) */
        @media (max-width: 375px) {
            .hero-title {
                font-size: var(--font-2xl);
            }
            
            .logo {
                font-size: var(--font-xl);
            }
            
            .btn {
                padding: var(--space-3) var(--space-5);
                font-size: var(--font-sm);
            }
        }

        /* ==================== Accessibility ==================== */
        :focus-visible {
            outline: 3px solid var(--secondary-color);
            outline-offset: 2px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        /* ==================== Print Styles ==================== */
        /* ==================== RTL/LTR Support ==================== */
        /* LTR text alignment - using !important to override RTL defaults */
        [dir="ltr"] .about-text {
            text-align: left !important; /* Required for LTR language support */
        }

        [dir="ltr"] .section-title {
            text-align: center;
        }

        [dir="ltr"] .about-text h2 {
            text-align: left !important; /* Required for LTR language support */
        }

        [dir="ltr"] .contact-item:hover {
            transform: translateX(8px);
        }

        [dir="rtl"] .contact-item:hover {
            transform: translateX(-8px);
        }

        /* ==================== Cities Section ==================== */
        .cities-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }
        
        /* Responsive for cities grid */
        @media (max-width: 1200px) {
            .cities-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .cities-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .city-card {
            background: var(--bg-color);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .city-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
            transform: scaleX(0);
            transition: transform var(--transition-base);
        }

        .city-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-400);
        }

        .city-card:hover::before {
            transform: scaleX(1);
        }

        .city-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 1rem;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }

        .city-card:hover .city-icon {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 8px 20px rgba(2, 132, 199, 0.3);
        }

        .city-icon svg {
            width: 32px;
            height: 32px;
            color: #fff;
        }

        .city-card h4 {
            font-size: 1.1rem;
            font-weight: var(--font-semibold);
            color: var(--text-color);
            margin-bottom: 0.5rem;
        }

        .city-name-en {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: var(--font-medium);
        }

        /* ==================== Detailed Services Section ==================== */
        .detailed-services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .detailed-service-card {
            background: var(--bg-color);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-2xl);
            padding: 2.5rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .detailed-service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
            transform: scaleX(0);
            transition: transform var(--transition-base);
        }

        .detailed-service-card--import::before {
            background: linear-gradient(90deg, #0ea5e9, #0284c7);
        }

        .detailed-service-card--export::before {
            background: linear-gradient(90deg, #10b981, #059669);
        }

        .detailed-service-card--logistics::before {
            background: linear-gradient(90deg, #8b5cf6, #6366f1);
        }

        .detailed-service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-2xl);
            border-color: var(--primary-400);
        }

        .detailed-service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid var(--border-color);
        }

        .service-card-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .detailed-service-card--import .service-card-icon {
            background: linear-gradient(135deg, #0ea5e9, #0284c7);
        }

        .detailed-service-card--export .service-card-icon {
            background: linear-gradient(135deg, #10b981, #059669);
        }

        .detailed-service-card--logistics .service-card-icon {
            background: linear-gradient(135deg, #8b5cf6, #6366f1);
        }

        .service-card-icon svg {
            width: 28px;
            height: 28px;
            color: #fff;
        }

        .service-card-header h4 {
            font-size: 1.3rem;
            font-weight: var(--font-bold);
            color: var(--text-color);
            margin: 0;
        }

        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .service-item {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }

        .service-item:hover {
            background: var(--bg-tertiary);
            transform: translateX(-5px);
        }

        .service-number {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: var(--font-bold);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .service-bullet {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #10b981, #059669);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: var(--font-bold);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .service-content {
            flex: 1;
        }

        .service-content strong {
            display: block;
            font-size: 1rem;
            font-weight: var(--font-semibold);
            color: var(--text-color);
            margin-bottom: 0.5rem;
        }

        .service-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ==================== Supply Categories Section ==================== */
        .supply-categories-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            max-width: 1400px;
            margin: 0 auto;
            justify-items: center;
            margin-top: 2rem;
        }

        .supply-category-card {
            background: var(--bg-color);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .supply-category-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(2, 132, 199, 0.05), rgba(14, 165, 233, 0.05));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .supply-category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-400);
        }

        .supply-category-card:hover::after {
            opacity: 1;
        }

        .supply-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            display: block;
            transition: transform var(--transition-base);
        }

        .supply-category-card:hover .supply-icon {
            transform: scale(1.2) rotate(5deg);
        }

        .supply-category-card h4 {
            font-size: 1rem;
            font-weight: var(--font-semibold);
            color: var(--text-color);
            line-height: 1.5;
            margin: 0;
        }

        @media (max-width: 768px) {
            .cities-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .city-card {
                padding: 1.5rem 1rem;
            }

            .detailed-services-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .supply-categories-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .supply-category-card {
                padding: 1.5rem 1rem;
            }

            .supply-icon-wrapper {
                width: 60px;
                height: 60px;
            }

            .supply-icon {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 480px) {
            .supply-categories-grid {
                grid-template-columns: 1fr;
            }
        }

        @media print {
            .header,
            .hero,
            .scroll-top,
            .theme-toggle,
            .menu-toggle {
                display: none;
            }

            body {
                color: #000;
                background: #fff;
            }
        }