/* Responsive Design */

/* Large Desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-content {
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        gap: 3rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* Tablet */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* Services Overview */
    .services-overview {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* About Section */
    .about {
        padding: 60px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    /* Services Section */
    .services {
        padding: 60px 0;
    }
    
    .tab-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .service-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    /* References Section */
    .references {
        padding: 60px 0;
    }
    
    .references-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    /* Contact Section */
    .contact {
        padding: 60px 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        order: 2;
    }
    
    .contact-form {
        order: 1;
    }
    
    /* Quote Section */
    .quote {
        padding: 60px 0;
    }
    
    .quote-form {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .container {
        padding: 0 20px;
    }
    
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
    
    /* Hero Section */
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    /* Services Overview */
    .services-overview {
        padding: 40px 0;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    /* About Section */
    .about {
        padding: 40px 0;
    }
    
    .about-features {
        gap: 0.75rem;
    }
    
    /* Services Section */
    .services {
        padding: 40px 0;
    }
    
    .tab-buttons {
        margin-bottom: 2rem;
    }
    
    .tab-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .service-detail {
        gap: 1.5rem;
    }
    
    /* References Section */
    .references {
        padding: 40px 0;
    }
    
    .references-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .reference-card {
        margin: 0 auto;
        max-width: 350px;
    }
    
    /* Contact Section */
    .contact {
        padding: 40px 0;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .contact-icon {
        margin: 0 auto;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    /* Quote Section */
    .quote {
        padding: 40px 0;
    }
    
    .quote-form {
        padding: 1.5rem;
    }
    
    /* Footer */
    .footer {
        padding: 30px 0 15px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Back to Top Button */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Small Mobile */
@media (max-width: 375px) {
    .container {
        padding: 0 15px;
    }
    
    /* Typography */
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.6rem; }
    
    /* Hero Section */
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        gap: 0.75rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* Service Cards */
    .service-card {
        padding: 1rem;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
    }
    
    .service-icon i {
        font-size: 1.2rem;
    }
    
    /* Forms */
    .contact-form,
    .quote-form {
        padding: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-content {
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-description {
        margin-bottom: 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .services-overview,
    .about,
    .services,
    .references,
    .contact,
    .quote {
        padding: 40px 0;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-img,
    .about-img,
    .service-image img,
    .reference-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav-toggle,
    .back-to-top,
    .footer {
        display: none !important;
    }
    
    .hero,
    .services-overview,
    .about,
    .services,
    .references,
    .contact,
    .quote {
        padding: 20px 0;
        page-break-inside: avoid;
    }
    
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .service-detail {
        grid-template-columns: 1fr;
    }
    
    .btn {
        border: 1px solid #333;
        background: white !important;
        color: #333 !important;
    }
    
    .service-card,
    .reference-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero::before {
        display: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --border-color: #404040;
    }
    
    body {
        background-color: var(--bg-primary);
        color: var(--text-primary);
    }
    
    .header {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .service-card,
    .reference-card,
    .contact-form,
    .quote-form {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: var(--bg-secondary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.tab-btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Skip Link for Screen Readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #2563eb;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}