/* Responsive Design */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* Medium screens (768px to 1199px) */
@media (max-width: 1199px) {
    .container {
        padding: 0 16px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* Tablet screens (768px to 991px) */
@media (max-width: 991px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Mobile screens (up to 767px) */
@media (max-width: 767px) {
    /* Navigation */
    .nav-container {
        padding: 0 16px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid #f3f4f6;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu .btn {
        margin-top: 16px;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .language-selector {
        margin-left: 0;
        margin-right: 16px;
    }
    
    /* Dropdown adjustments for mobile */
    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: #f9fafb;
        margin-top: 8px;
        border-radius: 8px;
    }
    
    /* Hero section */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 32px;
    }
    
    .hero-buttons {
        gap: 12px;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .hero-img {
        height: 250px;
    }
    
    /* Sections */
    .features,
    .testimonials,
    .cta {
        padding: 60px 0;
    }
    
    .stats {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 24px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* CTA */
    .cta-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .cta-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }
    
    /* Footer */
    .footer {
        padding: 60px 0 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Forms */
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Modal */
    .modal {
        margin: 20px;
        padding: 24px;
        width: calc(100% - 40px);
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    /* Cards */
    .card-body {
        padding: 20px;
    }
    
    .card-header {
        padding: 20px 20px 0;
    }
    
    .card-footer {
        padding: 0 20px 20px;
    }
    
    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .pagination-item {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    /* Search */
    .search-container {
        max-width: 100%;
    }
    
    /* Language menu positioning */
    .language-menu {
        right: auto;
        left: 0;
    }
}

/* Small mobile screens (up to 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .nav-container {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .feature-card,
    .testimonial-card {
        padding: 20px;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-img {
        height: 200px;
    }
    
    .features,
    .testimonials,
    .cta {
        padding: 40px 0;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for retina displays */
    .hero-img,
    .author-avatar,
    .avatar {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .language-selector,
    .btn,
    .footer {
        display: none !important;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .section-title,
    .hero-title {
        color: #000 !important;
    }
    
    .feature-card,
    .testimonial-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1 { font-size: 24pt; }
    h2 { font-size: 20pt; }
    h3 { font-size: 16pt; }
    h4 { font-size: 14pt; }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .feature-card,
    .testimonial-card,
    .stat-item {
        opacity: 1;
        transform: none;
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles would go here */
    /* Currently not implemented to maintain design consistency */
}

/* Focus styles for accessibility */
@media (any-hover: none) {
    /* Touch device specific styles */
    .btn:hover {
        transform: none;
    }
    
    .feature-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        border-width: 2px;
        border-color: #000;
        color: #000;
    }
    
    .nav-link:hover,
    .dropdown-toggle:hover {
        background: #f0f0f0;
    }
}