/* Responsive Design */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Medium screens (992px to 1199px) */
@media (max-width: 1199px) {
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: var(--spacing-2xl);
    }
    
    .contact-content {
        gap: var(--spacing-2xl);
    }
}

/* Tablets (768px to 991px) */
@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--navbar-height);
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-large);
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-lg);
    }

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

    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-graphic {
        width: 300px;
        height: 300px;
    }
    
    .floating-card {
        padding: var(--spacing-md);
    }
    
    .floating-card span {
        font-size: var(--font-size-xs);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid, .credentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-featured {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile devices (576px to 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-graphic {
        width: 250px;
        height: 250px;
    }
    
    .floating-card {
        padding: var(--spacing-sm);
    }
    
    .floating-card i {
        font-size: var(--font-size-lg);
    }
    
    .floating-card span {
        font-size: var(--font-size-xs);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: var(--font-size-2xl);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .values-grid, .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-featured {
        grid-column: span 1;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .contact-icon {
        align-self: center;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
}

/* Small mobile devices (up to 575px) */
@media (max-width: 575px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
        height: 60px;
    }
    
    .logo {
        width: 35px;
        height: 35px;
    }
    
    .logo-text {
        font-size: var(--font-size-lg);
    }
    
    .nav-menu {
        top: 60px;
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero-graphic {
        width: 200px;
        height: 200px;
    }
    
    .floating-card {
        padding: var(--spacing-xs);
    }
    
    .floating-card i {
        font-size: var(--font-size-base);
    }
    
    .floating-card span {
        font-size: 10px;
    }
    
    .card-1, .card-2, .card-3, .card-4 {
        position: relative;
        margin: var(--spacing-xs);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
    }
    
    .service-icon i {
        font-size: var(--font-size-xl);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .image-placeholder i {
        font-size: var(--font-size-3xl);
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Print styles */
@media print {
    .navbar,
    .nav-toggle,
    .hero-buttons,
    .contact-form,
    .footer,
    .back-to-top {
        display: none !important;
    }
    
    .hero {
        background: none !important;
        color: black !important;
    }
    
    .hero::before {
        display: none !important;
    }
    
    .floating-card {
        background: white !important;
        color: black !important;
        border: 1px solid black !important;
    }
    
    .service-card,
    .portfolio-item {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    .portfolio-overlay {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .service-card,
    .portfolio-item,
    .contact-item {
        page-break-inside: avoid;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #000000;
        --bg-primary: #ffffff;
        --bg-secondary: #f0f0f0;
    }
    
    .btn-primary {
        background-color: #0000ff;
        color: #ffffff;
        border: 2px solid #000000;
    }
    
    .btn-secondary {
        background-color: #ffffff;
        color: #000000;
        border: 2px solid #000000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card {
        animation: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-light: #94a3b8;
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --border-color: #334155;
    }
    
    .navbar {
        background-color: rgba(15, 23, 42, 0.95);
    }
    
    .navbar.scrolled {
        background-color: rgba(15, 23, 42, 0.98);
    }
    
    .nav-link {
        color: var(--text-primary);
    }
    
    .service-card {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
    
    .contact-form {
        background: var(--bg-secondary);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: var(--bg-primary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .image-placeholder {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
    
    .filter-btn {
        background: var(--bg-secondary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .filter-btn:hover,
    .filter-btn.active {
        background-color: var(--primary-color);
        color: white;
    }
}