/* Beam Fringe - Responsive Styles */
/* Mobile-first responsive design */

/* Large Desktop (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .hero-content p {
        font-size: 1.3rem;
    }
}

/* Desktop (1200px and up) */
@media (min-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .achievements-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Laptop (992px and up) */
@media (min-width: 992px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievements-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .teachers-grid,
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet (768px and up) */
@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        text-align: left;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .course-details {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .newsletter-form {
        flex-direction: row;
    }
    
    .action-buttons {
        flex-direction: row;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape and small tablets (576px and up) */
@media (min-width: 576px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile (below 768px) */
@media (max-width: 767.98px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--background-dark);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-xl);
        transition: var(--transition-medium);
        border-top: 1px solid var(--border-color);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-link {
        padding: var(--spacing-md);
        width: 100%;
        text-align: center;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    /* Hero Section */
    .hero-content h1 {
        font-size: 2.5rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    /* Typography */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    /* Sections */
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .page-header {
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    /* Grids */
    .info-grid,
    .advantages-grid,
    .achievements-grid,
    .reviews-grid,
    .teachers-grid,
    .experts-grid,
    .values-grid,
    .courses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    /* Cards */
    .teacher-card,
    .expert-card {
        flex-direction: column;
        text-align: center;
    }
    
    .teacher-img,
    .expert-img {
        margin: 0 auto var(--spacing-md);
    }
    
    /* Course Details */
    .course-details {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Cookie Banner */
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .cookie-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Cookie Modal */
    .cookie-modal {
        padding: var(--spacing-sm);
    }
    
    .cookie-modal-content {
        padding: var(--spacing-lg);
    }
    
    .cookie-modal-buttons {
        flex-direction: column;
    }
    
    /* Forms */
    .newsletter-form {
        flex-direction: column;
    }
    
    /* Thank You Page */
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons .btn-primary,
    .action-buttons .btn-secondary,
    .action-buttons .btn-outline {
        width: 100%;
        max-width: 300px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    /* Social Links */
    .social-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
}

/* Small Mobile (below 576px) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .page-header {
        padding: calc(80px + var(--spacing-md)) 0 var(--spacing-md);
    }
    
    /* Cards */
    .info-card,
    .advantage-card,
    .achievement-card,
    .review-card,
    .teacher-card,
    .expert-card,
    .value-card,
    .course-card {
        padding: var(--spacing-md);
    }
    
    .contact-form-container,
    .contact-info-container {
        padding: var(--spacing-lg);
    }
    
    .legal-document {
        padding: var(--spacing-lg);
    }
    
    /* Achievements Grid */
    .achievements-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* Course Filters */
    .filter-buttons {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    /* Thank You Icon */
    .thank-you-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    /* Buttons */
    .btn-hero {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    /* Cookie Modal */
    .cookie-modal-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
    }
    
    /* Tables */
    .cookie-table {
        font-size: 0.8rem;
    }
    
    .cookie-table th,
    .cookie-table td {
        padding: var(--spacing-xs);
    }
}

/* Extra Small Mobile (below 400px) */
@media (max-width: 399.98px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .thank-you-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .cookie-content {
        padding: var(--spacing-sm);
    }
    
    .cookie-buttons button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* High DPI Displays */
@media only screen and (-webkit-min-device-pixel-ratio: 1.5),
       only screen and (min-resolution: 144dpi) {
    /* Optimize for high DPI displays */
    .hero-bg-img,
    .section-icon,
    .course-img,
    .teacher-img,
    .expert-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Dark mode media query (respects system preference) */
@media (prefers-color-scheme: dark) {
    /* Already using dark theme as default */
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-content h1 {
        -webkit-background-clip: initial;
        -webkit-text-fill-color: initial;
        background-clip: initial;
        color: var(--text-primary);
    }
}

/* High contrast preference */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #00ffcc;
        --text-primary: #ffffff;
        --text-secondary: #f0f0f0;
        --background-dark: #000000;
        --background-secondary: #111111;
        --border-color: #444444;
    }
}

/* Print styles for mobile */
@media print {
    .nav-toggle,
    .cookie-banner,
    .social-links,
    .newsletter-section {
        display: none !important;
    }
    
    .container {
        padding: 0 !important;
    }
    
    .page-header {
        padding: var(--spacing-md) 0 !important;
    }
    
    section {
        padding: var(--spacing-md) 0 !important;
        break-inside: avoid;
    }
    
    .course-card,
    .teacher-card,
    .expert-card {
        break-inside: avoid;
        margin-bottom: var(--spacing-md);
    }
}

/* Landscape orientation on mobile */
@media (max-width: 767.98px) and (orientation: landscape) {
    .hero {
        min-height: 80vh;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .nav-menu {
        height: calc(100vh - 60px);
        padding-top: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Increase touch targets */
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .btn-hero,
    .btn-accent {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .filter-btn {
        min-height: 44px;
    }
    
    .faq-question {
        min-height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .info-card:hover,
    .advantage-card:hover,
    .teacher-card:hover,
    .expert-card:hover,
    .value-card:hover,
    .course-card:hover {
        transform: none;
        box-shadow: none;
        border-color: var(--border-color);
    }
}

/* Accessibility: Focus indicators for keyboard navigation */
@media (any-hover: hover) {
    .nav-link:focus,
    .btn-primary:focus,
    .btn-secondary:focus,
    .btn-outline:focus,
    .btn-hero:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Animation performance optimization for mobile */
@media (max-width: 767.98px) {
    .fade-in-up,
    .fade-in {
        animation: none;
    }
    
    .step-card {
        opacity: 1;
        transform: none;
    }
    
    .thank-you-icon {
        transform: none !important;
    }
}