/* ========================================
   RESPONSIVE DESIGN - CHEM SPOT
======================================== */

/* Desktop large (1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
    
    .section-title h2 {
        font-size: 3.2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .suppliers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet large (1024px - 1199px) */
@media (max-width: 1199px) and (min-width: 1024px) {
    .hero h1 {
        font-size: 3.2rem;
    }
    
    .section-title h2 {
        font-size: 2.6rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .suppliers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .location-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .become-supplier-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    .container {
        width: 95%;
        padding: 0 1rem;
    }
    
    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .search-form {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .suppliers-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .filters-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .location-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .become-supplier-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

/* Mobile large (480px - 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .container {
        width: 95%;
        padding: 0 0.75rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .header-actions {
        order: -1;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .search-container {
        padding: 1.5rem;
    }
    
    .search-tabs {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .search-tab {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .search-form {
        grid-template-columns: 1fr;
    }
    
    .search-form input {
        padding: 1rem 1rem 1rem 2.5rem;
    }
    
    .search-form button {
        padding: 1rem 1.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .features-grid,
    .products-grid,
    .suppliers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .product-card,
    .supplier-card {
        margin-bottom: 1rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .filters-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .catalog-filters-container {
        padding: 1.5rem;
    }
    
    .results-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .suppliers-filters {
        padding: 1.5rem;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

/* Mobile small (0 - 479px) */
@media (max-width: 479px) {
    .container {
        width: 95%;
        padding: 0 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .nav-menu {
        gap: 0.75rem;
        font-size: 0.9rem;
    }
    
    .nav-menu a {
        padding: 0.5rem 0;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .btn-sm {
        width: 100%;
        justify-content: center;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .search-container {
        padding: 1rem;
        margin: 2rem 0;
    }
    
    .search-tabs {
        gap: 0.25rem;
    }
    
    .search-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .search-form input {
        padding: 0.875rem 0.875rem 0.875rem 2.25rem;
        font-size: 0.9rem;
    }
    
    .search-icon {
        font-size: 1rem;
        left: 0.75rem;
    }
    
    .search-form button {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-stats {
        margin-top: 1.5rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .section-title {
        margin-bottom: 2rem;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
    }
    
    .product-header {
        padding: 1rem;
    }
    
    .product-details {
        padding: 1rem;
    }
    
    .supplier-header,
    .supplier-details {
        padding: 1.5rem;
    }
    
    .supplier-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .cta-content h2 {
        font-size: 1.6rem;
    }
    
    .cta-content p {
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 98%;
        padding: 1rem;
    }
    
    .modal h2 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
    
    .form-input {
        padding: 0.875rem;
        font-size: 0.9rem;
    }
    
    .contact-cards {
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .page-header {
        padding: 2rem 0;
    }
    
    .page-header-content h1 {
        font-size: 2rem;
    }
    
    .page-header-content p {
        font-size: 1rem;
    }
    
    .catalog-filters-container {
        padding: 1rem;
    }
    
    .filters-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .results-header {
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .suppliers-filters {
        padding: 1rem;
    }
    
    .address-card {
        padding: 1.5rem;
    }
    
    .map-placeholder {
        padding: 2rem;
    }
    
    .map-placeholder i {
        font-size: 3rem;
    }
    
    .faq-question {
        padding: 1rem;
    }
    
    .faq-answer {
        padding: 0 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 1rem;
    }
    
    .notification {
        right: 1rem;
        left: 1rem;
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    .pagination {
        gap: 0.25rem;
        flex-wrap: wrap;
    }
    
    .pagination button {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
}

/* Orientation paysage sur mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 1.5rem 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1.5rem;
    }
    
    .search-container {
        margin: 1.5rem 0;
    }
    
    .hero-stats {
        margin-top: 1rem;
        grid-template-columns: repeat(4, 1fr);
    }
    
    .modal-content {
        margin: 2% auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .page-header {
        padding: 1.5rem 0;
    }
}

/* Print styles */
@media print {
    .header-actions,
    .cta-section,
    .search-container,
    .modal,
    .notification {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .feature-card,
    .product-card,
    .supplier-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibilité - Réduction des animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero::before {
        animation: none;
    }
    
    .cta-section::before {
        animation: none;
    }
}

/* Contraste élevé */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
        --text-light: #333333;
        --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .feature-card,
    .product-card,
    .supplier-card {
        border-width: 2px;
        border-color: #000000;
    }
}