/* Mobile-First Responsive Design */

/* Small devices (landscape phones, 576px and down) */
@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    /* Header */
    .header-content {
        padding: 0.8rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        width: 35px;
        height: 35px;
    }
    
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }
    
    nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    nav ul {
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
    }
    
    nav li {
        width: 100%;
    }
    
    nav a {
        display: block;
        padding: 1rem 20px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    /* Main content spacing */
    main {
        margin-top: 70px;
    }
    
    /* Hero section */
    .hero {
        grid-template-columns: 1fr;
        padding: 2rem 0;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 0.8rem;
    }
    
    .hero-buttons .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* Page headers */
    .page-header {
        padding: 4rem 0 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    /* Features and grids */
    .features-grid,
    .courses-grid,
    .programs-grid,
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card,
    .course-card,
    .program-card,
    .info-card {
        padding: 1.5rem;
    }
    
    /* Sections */
    .features,
    .courses-preview,
    .about-content,
    .company-info,
    .why-choose-us,
    .courses-section,
    .contact-section,
    .enrollment-section {
        padding: 3rem 0;
    }
    
    /* Section headings */
    .features h2,
    .courses-preview h2,
    .company-info h2,
    .why-choose-us h2,
    .additional-programs h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    /* About page */
    .about-grid,
    .contact-grid,
    .enrollment-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Course details */
    .course-header {
        grid-template-columns: 1fr;
        padding: 2rem;
        text-align: center;
    }
    
    .course-header img {
        height: 200px;
    }
    
    .course-info h2 {
        font-size: 1.8rem;
    }
    
    .course-content {
        padding: 2rem;
    }
    
    .course-content ul {
        grid-template-columns: 1fr;
    }
    
    .course-actions {
        justify-content: center;
    }
    
    /* Forms */
    .contact-form,
    .enrollment-form {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Cookie banner */
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    /* Footer */
    footer {
        padding: 3rem 0 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        gap: 1rem;
    }
    
    /* Legal tables */
    .cookie-table {
        font-size: 0.8rem;
    }
    
    .cookie-table th,
    .cookie-table td {
        padding: 0.5rem;
    }
}

/* Medium devices (tablets, 577px to 768px) */
@media (min-width: 577px) and (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* Hero adjustments */
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    /* Grid adjustments */
    .features-grid,
    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Course headers */
    .course-header {
        grid-template-columns: 1fr 1.5fr;
        padding: 2.5rem;
    }
    
    .course-header img {
        height: 250px;
    }
    
    /* Two-column layouts */
    .about-grid,
    .contact-grid,
    .enrollment-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    /* Footer adjustments */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large devices (desktops, 769px to 992px) */
@media (min-width: 769px) and (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    /* Hero adjustments */
    .hero h1 {
        font-size: 2.8rem;
    }
    
    /* Grid layouts */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
    
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Course content */
    .course-content ul {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Extra large devices (large desktops, 993px to 1200px) */
@media (min-width: 993px) and (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    /* Maintain 3-column layouts where appropriate */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .programs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Ultra-wide screens (1201px and up) */
@media (min-width: 1201px) {
    .container {
        max-width: 1200px;
    }
    
    /* Optimize for large screens */
    .hero h1 {
        font-size: 3.2rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
    
    /* Maintain proper grid layouts */
    .programs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        min-height: 60vh;
        padding: 2rem 0;
    }
    
    .page-header {
        padding: 3rem 0 2rem;
    }
    
    .sections {
        padding: 3rem 0;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure images and icons remain crisp */
    .logo img,
    .course-card img,
    .hero-image img,
    .about-image img,
    .contact-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

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

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    /* This is optional - the current design works well in light mode */
    /* Uncomment if you want to add dark mode support */
    
    /*
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    header {
        background: #2d2d2d;
    }
    
    .feature-card,
    .course-card,
    .program-card,
    .info-card,
    .contact-form,
    .enrollment-form {
        background: #2d2d2d;
        color: #e0e0e0;
    }
    */
}

/* Print optimizations */
@media print {
    /* Hide interactive elements */
    .menu-toggle,
    .cookie-banner,
    .btn,
    .hero-buttons,
    .course-actions,
    .cta-buttons,
    .cookie-buttons {
        display: none !important;
    }
    
    /* Optimize layout for print */
    .hero,
    .features,
    .courses-preview,
    .about-content,
    .contact-section,
    .enrollment-section {
        padding: 2rem 0;
    }
    
    .hero {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .courses-grid,
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .course-header {
        grid-template-columns: 1fr;
    }
    
    .course-header img {
        max-height: 200px;
    }
    
    /* Ensure readability */
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1 { font-size: 18pt; }
    h2 { font-size: 16pt; }
    h3 { font-size: 14pt; }
    
    /* Page breaks */
    .course-detail,
    .form-section {
        page-break-inside: avoid;
    }
    
    .page-header {
        page-break-after: avoid;
    }
}

/* Touch device optimizations */
@media (pointer: coarse) {
    /* Increase touch targets */
    .btn {
        padding: 14px 28px;
        min-height: 48px;
    }
    
    nav a {
        padding: 1rem 1.5rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px;
        min-height: 48px;
    }
    
    .cookie-btn {
        padding: 12px 20px;
        min-height: 44px;
    }
    
    /* Adjust hover effects for touch */
    .feature-card:hover,
    .course-card:hover,
    .program-card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

/* Accessibility improvements for different viewport sizes */
@media (max-width: 768px) {
    /* Ensure proper focus indicators on small screens */
    a:focus,
    button:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 3px solid #2c5aa0;
        outline-offset: 2px;
    }
    
    /* Improve text readability */
    .hero p,
    .feature-card p,
    .course-description,
    .legal-document p {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    /* Ensure adequate spacing for easier interaction */
    .checkbox-group {
        margin: 1.5rem 0;
    }
    
    .checkbox-group label {
        padding: 0.5rem 0;
        min-height: 48px;
        display: flex;
        align-items: flex-start;
    }
}