/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */

/* Large tablets */
@media (max-width: 1024px) {
    .product-row,
    .product-row-reverse {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .product-row-reverse { direction: ltr; }

    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        order: -1;
    }

    .about-card-stack {
        max-width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .about-card {
        flex: 1;
        min-width: 200px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-links {
        justify-content: flex-start;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid #E2E8F0;
        flex-direction: column;
        padding: 1rem;
        gap: 0.25rem;
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 1rem;
    }

    .nav-toggle { display: flex; }

    .navbar { position: sticky; }

    .hero {
        padding: 80px 0 70px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .section-header h2 {
        font-size: 1.875rem;
    }

    .products-section {
        padding: 60px 0;
    }

    .product-row {
        padding: 3rem 0;
    }

    .product-name {
        font-size: 1.875rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .cta-content h2 {
        font-size: 1.875rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrap {
        padding: 1.75rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 1.875rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        justify-content: center;
    }

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

    .stat-item {
        padding: 2rem 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-card-stack {
        flex-direction: column;
    }

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

    .cta-actions .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }

    .video-zone {
        aspect-ratio: 4/3;
    }

    .upload-placeholder {
        padding: 1.25rem;
    }

    .upload-icon {
        width: 52px;
        height: 52px;
    }

    .upload-title {
        font-size: 0.875rem;
    }
}