/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 72px 24px 56px; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
    .menu { display: none; position: absolute; top: 64px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; background: #fff;
        padding: 10px 14px; border-bottom: 1px solid var(--border); }
    .menu.open { display: flex; }
    .menu a { padding: 12px 14px; }
    .menu-toggle { display: block; }

    .hero-title { font-size: 30px; }
    .hero-inner { padding: 56px 18px 44px; }
    .section { padding: 64px 18px; }
    .section-head { margin-bottom: 32px; }
    .section-head h2, .about-grid h2, .contact-grid h2 { font-size: 24px; }

    .service-grid, .case-grid, .product-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item .v { font-size: 24px; }
    .about-facts { grid-template-columns: 1fr; }
    .contact-form .row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}