/* Responsive Design */

/* Large screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.75rem;
    }
}

/* Medium screens */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats {
        justify-content: center;
    }
}

/* Small screens */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-medium);
        border-top: 1px solid var(--border-color);
    }
    
    .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);
    }
    
    /* Hero */
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        line-height: 1.3;
        word-break: keep-all;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: center;
        margin-top: var(--spacing-xl);
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: auto;
        min-width: 200px;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    /* Sections */
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .stats {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-md);
    }
    .stat-number {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-xs);
    }
    .stat-label {
        font-size: var(--font-size-xs);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .contact-content.contact-new {
        grid-template-columns: 1fr;
    }

    .contact-qr {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .qr-card img, .qr-img {
        width: 100%;
        height: auto;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: 80px 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.4;
        word-break: keep-all;
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .feature-card,
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .solution-content {
        padding: var(--spacing-lg);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .nav-brand .brand-text {
        font-size: var(--font-size-lg);
    }
    
    .logo,
    .footer-logo {
        width: 32px;
        height: 32px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .neural-network {
        animation: none;
    }
    
    .data-flow {
        animation: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-light: #999999;
        --background-primary: #1a1a1a;
        --background-secondary: #2d2d2d;
        --border-color: #404040;
    }
    
    .header {
        background: rgba(26, 26, 26, 0.95);
        border-bottom-color: var(--border-color);
    }
    
    .hero {
        background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    }
    
    .feature-card,
    .solution-item,
    .contact-form {
        background: var(--background-secondary);
        border-color: var(--border-color);
    }
}

/* Print styles */
@media print {
    .header,
    .hero-visual,
    .ai-animation,
    .mobile-menu-toggle,
    .btn-primary,
    .btn-secondary,
    .btn-demo,
    .contact-form {
        display: none !important;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        background: none !important;
    }
    
    .section-title {
        color: black !important;
        font-size: var(--font-size-2xl) !important;
    }
    
    .feature-card,
    .solution-item {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        break-inside: avoid;
    }
}