/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 80px 20px 30px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .cert-logos {
        gap: 1rem;
    }

    .cert-logo img {
        height: 40px;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .story-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .milestones {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .categories h2,
    .why-choose-us h2,
    .manufacturing-process h2,
    .team-section h2 {
        font-size: 2rem;
    }

    .category-card,
    .feature {
        padding: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}
/* Catalog Page Responsive */
@media (max-width: 768px) {
    .catalog-header h1 {
        font-size: 2rem;
    }
    
    .downloads-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .catalog-card {
        padding: 2rem;
    }
    
    .catalog-icon {
        font-size: 3rem;
    }
    
    .catalog-card h2 {
        font-size: 1.5rem;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .catalog-card {
        padding: 1.5rem;
    }
    
    .catalog-details {
        padding: 1rem;
    }
    
    .download-btn {
        padding: 12px;
        font-size: 1rem;
    }
}

/* Contact Page Responsive */
@media (max-width: 768px) {
    .contact-header h1 {
        font-size: 2rem;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .hours-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .response-buttons {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .contact-icon {
        font-size: 2.5rem;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}
/* Quality Page Responsive */
@media (max-width: 768px) {
    .quality-hero h1 {
        font-size: 2.2rem;
    }
    
    .quality-hero p {
        font-size: 1.1rem;
    }
    
    .quality-certifications h2,
    .quality-process h2,
    .material-excellence h2,
    .testing-labs h2,
    .quality-metrics h2,
    .manufacturing-excellence h2,
    .warranty-content h2,
    .quality-docs h2 {
        font-size: 2rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        padding: 2rem 1.5rem;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .material-card {
        padding: 2rem;
    }
    
    .labs-grid {
        grid-template-columns: 1fr;
    }
    
    .lab-feature {
        padding: 2rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .excellence-grid {
        grid-template-columns: 1fr;
    }
    
    .warranty-features {
        grid-template-columns: 1fr;
    }
    
    .docs-grid {
        grid-template-columns: 1fr;
    }
    
    .doc-card {
        padding: 2rem;
    }
    
    .quality-cta h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .quality-hero h1 {
        font-size: 1.8rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .metric-value {
        font-size: 2.5rem;
    }
    
    .process-step {
        padding: 1.5rem;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        top: -12px;
        left: -12px;
    }
    
    .property {
        flex-direction: column;
        gap: 0.3rem;
    }
}