/* Responsive Design - Mobile First Approach */

/* Tablet Styles */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
        gap: var(--spacing-sm);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 var(--spacing-lg);
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-graphic {
        grid-template-columns: 1fr 1fr;
        font-size: 2.5rem;
        gap: var(--spacing-sm);
    }
    
    .hero-graphic i {
        padding: var(--spacing-sm);
    }
    
    /* Section Headers */
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .service-card {
        padding: var(--spacing-sm);
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .service-card h3 {
        font-size: 1.25rem;
    }
    
    /* Clients */
    .clients-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .client-logo {
        padding: var(--spacing-sm);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .contact-info p {
        justify-content: center;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .nav-container {
        padding: 0 var(--spacing-xs);
    }
    
    .nav-logo h2 {
        font-size: 1.25rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .hero-graphic {
        font-size: 2rem;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Large Desktop Styles */
@media (min-width: 1400px) {
    .container,
    .nav-container,
    .hero-container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.375rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .service-link,
    .btn {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--dark-gray);
        padding: var(--spacing-md) 0;
        margin-top: 0;
        min-height: auto;
    }
    
    .hero-graphic {
        display: none;
    }
    
    .service-card,
    .client-logo {
        box-shadow: none;
        border: 1px solid var(--medium-gray);
    }
    
    .footer {
        background: none;
        color: var(--dark-gray);
    }
    
    .contact-info i {
        color: var(--dark-gray);
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #0000ff;
        --secondary-blue: #0066cc;
        --primary-green: #008000;
        --secondary-green: #00cc00;
        --medium-gray: #333333;
        --dark-gray: #000000;
    }
    
    .service-card,
    .client-logo {
        border: 2px solid var(--dark-gray);
    }
    
    .btn {
        border-width: 3px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --light-gray: #2d2d2d;
        --medium-gray: #cccccc;
        --dark-gray: #ffffff;
        --black: #ffffff;
    }
    
    .navbar {
        background-color: #1a1a1a;
        border-bottom: 1px solid #333;
    }
    
    .service-card,
    .client-logo {
        background-color: #2d2d2d;
        border-color: #444;
    }
    
    .footer {
        background-color: #000000;
    }
}

/* Focus Styles for Accessibility */
.nav-link:focus,
.btn:focus,
.service-link:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.client-logo {
    animation: fadeInUp 0.6s ease-out;
}

/* Hover Effects for Touch Devices */
@media (hover: none) {
    .service-card:hover,
    .client-logo:hover,
    .btn-primary:hover,
    .hero-graphic i:hover {
        transform: none;
    }
}