/* Responsive Design */

/* Large screens (desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Medium screens (tablets, 768px and up) */
@media (max-width: 1199px) {
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .contact-content {
        gap: var(--spacing-2xl);
    }
}

/* Small screens (landscape phones, 992px and down) */
@media (max-width: 991px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image i {
        font-size: 8rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-image i {
        font-size: 8rem;
    }
    
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

/* Extra small screens (portrait phones, 768px and down) */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: var(--transition-normal);
        box-shadow: 0 4px 6px var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-md) 0;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 90px 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-image i {
        font-size: 6rem;
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .service-card,
    .product-card {
        padding: var(--spacing-xl);
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: var(--font-size-xl);
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-item {
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
        margin-right: var(--spacing-md);
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-section ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .about-image i {
        font-size: 6rem;
    }
}

/* Extra extra small screens (small phones, 480px and down) */
@media (max-width: 479px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
        height: 60px;
    }
    
    .nav-brand a {
        font-size: var(--font-size-lg);
    }
    
    .nav-brand i {
        font-size: var(--font-size-xl);
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
    
    .hero {
        padding: 80px 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero-image i {
        font-size: 4rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    .service-card,
    .product-card {
        padding: var(--spacing-lg);
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-md);
    }
    
    .service-icon i {
        font-size: var(--font-size-lg);
    }
    
    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .contact-form input,
    .contact-form textarea,
    .newsletter-form input {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-brand {
        font-size: var(--font-size-lg);
    }
    
    .footer-brand i {
        font-size: var(--font-size-xl);
    }
    
    .about-image i {
        font-size: 4rem;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for high DPI displays */
    .service-icon,
    .contact-item i {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .navbar,
    .nav-toggle,
    .newsletter,
    .footer {
        display: none !important;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-image,
    .about-image {
        display: none;
    }
    
    .hero-container,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .btn {
        border: 1px solid black;
        background: transparent;
        color: black;
    }
    
    a {
        text-decoration: underline;
    }
    
    .section-header,
    .service-card,
    .product-card {
        page-break-inside: avoid;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in-up {
        animation: none;
    }
}

/* Dark mode support (if user prefers dark mode) */
@media (prefers-color-scheme: dark) {
    /* Note: This is commented out as the design should remain corporate/light
    :root {
        --bg-primary: #1a202c;
        --bg-secondary: #2d3748;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --border-color: #4a5568;
    }
    */
}

/* Focus management for better accessibility */
@media (min-width: 768px) {
    .nav-link:focus,
    .btn:focus,
    input:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .service-card,
    .product-card {
        transform: none !important;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .service-card:active,
    .product-card:active {
        transform: scale(0.99);
    }
    
    /* Increase touch targets */
    .nav-link {
        padding: var(--spacing-md);
        margin: var(--spacing-xs) 0;
    }
    
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    input,
    textarea,
    button {
        min-height: 44px;
    }
}

/* Landscape phone optimizations */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-container {
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-image {
        display: none;
    }
    
    .nav-menu {
        height: calc(100vh - 60px);
        padding-top: var(--spacing-lg);
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .services,
    .products,
    .about,
    .contact {
        padding: var(--spacing-xl) 0;
    }
}