/* GastroVisionHub Responsive Layout Styles */

/* Tablet Styles (768px and below) */
@media (max-width: 768px) {
    /* Typography adjustments */
    html {
        font-size: 14px;
    }
    
    /* Container adjustments */
    .container-fluid {
        padding: 0 var(--spacing-sm);
    }
    
    /* Header responsive */
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        text-align: center;
        background: var(--color-white);
        border-top: 1px solid rgba(60, 60, 60, 0.1);
        box-shadow: var(--shadow-heavy);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-list {
        flex-direction: column;
        padding: var(--spacing-xs);
        gap: 0;
    }
    
    .menu-list li {
        border-bottom: 1px solid rgba(60, 60, 60, 0.1);
    }
    
    .menu-list li:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md) 0;
        border-radius: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero section responsive */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
        height: 300px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .primary-btn,
    .secondary-btn {
        min-width: 200px;
    }
    
    /* About section responsive */
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Courses responsive */
    .courses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Registration section responsive */
    .registration-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .form-info {
        order: -1;
    }
    
    .contact-info {
        justify-content: center;
    }
    
    .contact-item {
        justify-content: center;
    }
    
    /* Footer responsive */
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-links {
        justify-content: center;
    }
    
    /* Cookie popup responsive */
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .cookie-actions {
        order: -1;
    }
}

/* Mobile Styles (480px and below) */
@media (max-width: 480px) {
    /* Further typography adjustments */
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    /* Header adjustments */
    .brand-title {
        font-size: 1.25rem;
    }
    
    .brand-logo {
        width: 32px;
        height: 32px;
    }
    
    .cta-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    /* Hero section mobile */
    .hero-banner {
        padding: calc(70px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-lg);
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-visual {
        height: 250px;
    }
    
    .floating-card {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }
    
    .card-text {
        font-size: 0.8rem;
    }
    
    .card-icon {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    /* Section padding adjustments */
    .about-preview-section,
    .courses-preview-section,
    .registration-section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* About section mobile */
    .about-stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Course cards mobile */
    .course-card {
        padding: var(--spacing-lg);
    }
    
    .course-icon {
        font-size: 2.5rem;
    }
    
    .course-title {
        font-size: 1.25rem;
    }
    
    /* Form adjustments */
    .registration-form {
        padding: var(--spacing-lg);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .submit-btn {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    /* Footer mobile */
    .footer-content {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-lg);
        text-align: left;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-logo {
        width: 40px;
        height: 40px;
    }
    
    .footer-brand h3 {
        font-size: 1.25rem;
    }
    
    /* Cookie popup mobile */
    .cookie-content {
        padding: var(--spacing-sm);
    }
    
    .cookie-text p {
        font-size: 0.8rem;
    }
    
    .btn-accept,
    .btn-decline {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Large Desktop Styles (1200px and above) */
@media (min-width: 1200px) {
    .container-fluid {
        max-width: 1400px;
    }
    
    .hero-content {
        max-width: 1400px;
    }
    
    .footer-content {
        max-width: 1400px;
    }
    
    .footer-bottom-content {
        max-width: 1400px;
    }
    
    .nav-container {
        max-width: 1400px;
    }
}

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

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    /* For users who prefer dark mode, maintain brand colors but adjust contrast */
    .main-header {
        background: rgba(30, 30, 36, 0.95);
    }
    
    .nav-link {
        color: var(--color-white);
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--color-additional);
    }
    
    .brand-title {
        color: var(--color-white);
    }
}

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

/* Print Styles */
@media print {
    .main-header,
    .cookie-popup,
    .hero-buttons,
    .course-btn,
    .registration-section,
    .footer-bottom {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero-banner {
        background: white !important;
        color: black !important;
    }
    
    .section-title,
    .hero-title {
        color: black !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
    
    .course-card,
    .stat-card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* Focus Styles for Accessibility */
@media (any-hover: none) {
    /* Touch device specific styles */
    .course-card:hover,
    .stat-card:hover {
        transform: none;
    }
    
    .primary-btn:hover,
    .secondary-btn:hover,
    .cta-button:hover {
        transform: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-accent: #B71C1C;
        --color-secondary: #000000;
        --color-text: #000000;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background-color: var(--color-accent);
        color: white;
    }
    
    .course-card,
    .stat-card {
        border: 2px solid var(--color-secondary);
    }
}

/* Landscape Mobile Orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .hero-banner {
        min-height: 70vh;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    .floating-card {
        padding: var(--spacing-xs);
    }
    
    .card-text {
        font-size: 0.7rem;
    }
}