/* ==========================================================================
   RESPONSIVE DESIGN - MEDIA QUERIES
   ========================================================================== */

/* Tablet Landscape (1024px and down) */
@media (max-width: 1024px) {
    .nav {
        padding: 1rem 1.5rem;
    }
    
    .hero-container {
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .section {
        padding: 4rem 1.5rem;
    }
    
    .skills-container,
    .contact-container {
        gap: 3rem;
    }
}

/* Tablet Portrait (768px and down) */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        margin-bottom: 1rem;
    }
    
    .nav-link {
        font-size: 1.125rem;
        padding: 0.75rem 0;
        display: block;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 0 1.5rem;
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 4rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .formation-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .profile-card {
        margin: 0 auto;
        max-width: 300px;
    }
}

/* Mobile Large (480px and down) */
@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 0 1rem;
        padding-top: 5rem;
        padding-bottom: 3rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
        min-width: 200px;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .service-card,
    .formation-card,
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 56px;
        height: 56px;
    }
    
    .service-icon i {
        font-size: 1.25rem;
    }
    
    .service-title {
        font-size: 1.125rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .skill-item {
        padding: 1rem 0.75rem;
    }
    
    .skill-icon {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .skill-name {
        font-size: 0.75rem;
    }
    
    .profile-card {
        padding: 1.5rem;
    }
    
    .profile-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .contact-method {
        padding: 0.75rem;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon i {
        font-size: 1rem;
    }
    
    .social-links {
        gap: 0.75rem;
    }
    
    .social-link {
        width: 36px;
        height: 36px;
    }
}

/* Mobile Small (360px and down) */
@media (max-width: 360px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .formation-card,
    .service-card {
        padding: 1rem;
    }
    
    .formation-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .formation-header i {
        font-size: 1.5rem;
    }
    
    .btn {
        min-width: 180px;
        padding: 0.625rem 1.25rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-avatar,
    .service-icon,
    .contact-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape Orientation on Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 80vh;
        padding-top: 4rem;
        padding-bottom: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .section {
        padding: 3rem 1.5rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .mobile-menu-btn,
    .hero-cta,
    .contact-form-container,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
        page-break-after: always;
    }
    
    .section {
        padding: 2rem 0;
        page-break-inside: avoid;
    }
    
    .service-card,
    .formation-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section-title {
        font-size: 18pt;
    }
    
    .service-title,
    .formation-header h3 {
        font-size: 14pt;
    }
}

/* Reduced Motion */
@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;
    }
    
    .hero::before {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --gray-50: #262626;
        --gray-100: #404040;
        --gray-200: #525252;
        --gray-600: #a3a3a3;
        --gray-800: #e5e5e5;
        --gray-900: #f5f5f5;
    }
    
    .header {
        background: rgba(26, 26, 26, 0.95);
        border-bottom-color: var(--gray-200);
    }
    
    .hero {
        background: linear-gradient(135deg, #1e3a8a 0%, #1a1a1a 100%);
    }
    
    .service-card,
    .formation-card,
    .contact-form-container,
    .profile-card {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .contact-method,
    .certification-item {
        background: var(--gray-100);
    }
    
    .skill-item {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: var(--gray-100);
        border-color: var(--gray-200);
        color: var(--gray-800);
    }
    
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--primary-blue);
        background: var(--gray-50);
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
        --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3);
    }
    
    .btn {
        border-width: 3px;
    }
    
    .service-card,
    .formation-card,
    .skill-item {
        border-width: 2px;
    }
    
    .nav-link:focus,
    .btn:focus,
    .social-link:focus {
        outline: 3px solid var(--primary-blue);
        outline-offset: 2px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .social-link,
    .contact-method,
    .skill-item {
        min-height: 44px;
        min-width: 44px;
    }
    
    .service-card:hover,
    .formation-card:hover,
    .skill-item:hover,
    .contact-method:hover {
        transform: none;
    }
    
    .service-card:active,
    .formation-card:active,
    .skill-item:active {
        transform: scale(0.98);
    }
}

/* Container Queries Support */
@supports (container-type: inline-size) {
    .services-grid {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .service-card {
            padding: 1.5rem;
        }
        
        .service-icon {
            width: 56px;
            height: 56px;
        }
    }
}

/* Grid Support Fallback */
@supports not (display: grid) {
    .hero-container,
    .skills-container,
    .contact-container {
        display: flex;
        flex-direction: column;
    }
    
    .services-grid,
    .formation-grid,
    .skills-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .service-card,
    .formation-card {
        flex: 1 1 300px;
    }
    
    .skill-item {
        flex: 1 1 120px;
    }
}

/* Flexbox Fallback */
@supports not (display: flex) {
    .nav,
    .hero-cta,
    .contact-method,
    .formation-header {
        display: block;
    }
    
    .nav-links {
        float: right;
    }
    
    .hero-cta .btn {
        display: inline-block;
        margin-right: 1rem;
        margin-bottom: 1rem;
    }
}