/* Responsive Design */

/* Large Desktop */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
}

/* Desktop */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 968px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header */
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--surface);
        margin-top: var(--spacing-sm);
    }
    
    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 2;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Industries */
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.25rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header */
    .navbar .container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-brand .logo {
        height: 32px;
    }
    
    .nav-cta {
        display: none;
    }
    
    /* Hero */
    .hero {
        min-height: 80vh;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    /* Sections */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    /* About */
    .highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .highlight-item {
        padding: var(--spacing-lg);
    }
    
    .highlight-item i {
        font-size: var(--font-size-2xl);
    }
    
    /* Services */
    .service-card {
        padding: var(--spacing-xl);
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
    }
    
    .service-icon i {
        font-size: var(--font-size-xl);
    }
    
    /* Industries */
    .industries-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .industry-item {
        padding: var(--spacing-xl);
    }
    
    .industry-item i {
        font-size: var(--font-size-3xl);
    }
    
    /* CTA */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .cta-section .btn-primary,
    .cta-section .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .service-card,
    .highlight-item,
    .industry-item {
        padding: var(--spacing-lg);
    }
}

/* Landscape Mobile */
@media (max-width: 968px) and (orientation: landscape) {
    .hero {
        min-height: 60vh;
    }
    
    .hero .container {
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-bg {
        background-image: url('../images/hero-bg@2x.jpg');
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .header {
        background: rgba(31, 41, 55, 0.95);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--primary-light);
    }
    
    .dropdown-menu {
        background: var(--text-primary);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-menu a {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .dropdown-menu a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--primary-light);
    }
}

/* Print Styles */
@media print {
    .header,
    .hero,
    .cta-section,
    .footer,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .service-card,
    .highlight-item,
    .industry-item {
        break-inside: avoid;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: no-preference) {
    .service-card:hover {
        animation: bounce 0.6s ease-in-out;
    }
}

@keyframes bounce {
    0%, 20%, 60%, 100% {
        transform: translateY(-8px);
    }
    40% {
        transform: translateY(-12px);
    }
    80% {
        transform: translateY(-4px);
    }
}

/* Focus Improvements for Mobile */
@media (max-width: 968px) {
    .nav-link:focus,
    .btn-primary:focus,
    .btn-secondary:focus,
    .service-link:focus,
    .social-link:focus {
        outline-width: 3px;
        outline-offset: 3px;
    }
}

/* Touch Improvements */
@media (hover: none) and (pointer: coarse) {
    .btn-primary,
    .btn-secondary,
    .nav-link,
    .service-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    .social-link {
        width: 48px;
        height: 48px;
    }
    
    .service-card:hover,
    .highlight-item:hover,
    .industry-item:hover {
        transform: none;
    }
}