/* Responsive Design */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .product-categories {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Medium screens (768px to 1199px) */
@media (max-width: 1199px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .product-categories {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small screens (576px to 767px) */
@media (max-width: 767px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .auth-buttons a {
        text-align: center;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .product-categories {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .verification-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .verify-btn {
        width: 100%;
    }
}

/* Extra small screens (575px and below) */
@media (max-width: 575px) {
    .container {
        padding: 0 15px;
    }
    
    header {
        padding: 0.5rem 0;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .category-icon {
        font-size: 2.5rem;
    }
    
    .form-container {
        margin: 1rem auto;
        padding: 1.5rem;
    }
    
    .announcement-item {
        padding: 1.5rem;
    }
    
    footer {
        padding: 2rem 0 1rem;
    }
}

/* Print styles */
@media print {
    header,
    footer,
    .auth-buttons,
    .cta-buttons {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        background: white;
        padding: 1rem 0;
    }
    
    .category-card,
    .contact-card,
    .announcement-item,
    .form-container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .hero {
        background: white;
        color: black;
        border: 2px solid black;
    }
    
    .btn-primary {
        background: black;
        color: white;
        border: 2px solid black;
    }
    
    .btn-secondary {
        background: white;
        color: black;
        border: 2px solid black;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .category-card:hover,
    .btn:hover {
        transform: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a202c;
        color: #e2e8f0;
    }
    
    .hero {
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    }
    
    .hero h1 {
        color: #e2e8f0;
    }
    
    .category-card,
    .contact-card,
    .announcement-item,
    .form-container {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #718096;
    }
}