/* Responsive Design */

/* Large Desktop */
@media (max-width: 1400px) {
    .container {
        max-width: 1140px;
    }
}

/* Desktop */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* Tablet */
@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-features ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        align-items: center;
    }
    
    .about-hero-blocks {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-hero-block {
        padding: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Mobile Large */
@media (max-width: 768px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(26, 74, 121, 0.98);
        backdrop-filter: blur(10px);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .main-nav a {
        color: white;
        font-size: 1.5rem;
        font-weight: 600;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }
    
    .logo {
        justify-content: flex-start;
    }
    
    .logo-img {
        height: 80px;
    }
    
    .main-nav ul {
        gap: 1rem;
    }
    
    .hero-section {
        padding-top: 140px;
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Mobile Medium */
@media (max-width: 576px) {
    .container {
        padding: 0 10px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo-img {
        height: 70px;
    }
    
    .about-hero-blocks {
        gap: 1.5rem;
    }
    
    .about-hero-block {
        padding: 1.5rem;
    }
    
    .about-hero-block h3 {
        font-size: 1.4rem;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        gap: 0.5rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .about-hero-section {
        padding: 3rem 0;
    }
    
    .about-hero-block {
        padding: 1.5rem;
    }
    
    .logo-img {
        height: 75px;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card {
        padding: 1rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon i {
        font-size: 1.3rem;
    }
    
    .contact-form {
        padding: 1rem;
    }
    
    .stat h3 {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .hero-buttons,
    .contact-form,
    .site-footer {
        display: none;
    }
    
    .hero-section {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero-title {
        color: #000;
    }
    
    .hero-description {
        color: #000;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .service-card,
    .feature-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

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

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 500px) {
    .hero-section {
        min-height: 100vh;
        padding-top: 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        margin: 2rem 0;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    /* This can be expanded if dark mode is desired */
}

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

/* Focus Styles for Accessibility */
@media (prefers-reduced-motion: no-preference) {
    .btn:focus,
    .main-nav a:focus,
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        outline: 2px solid #ff6b35;
        outline-offset: 2px;
    }
}