/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1080px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { max-width: 480px; margin: 0 auto; aspect-ratio: 4/3; }
    .services-grid-home { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .sectors-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(3, 1fr); }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .presence-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; gap: 50px; }
    .split-block { grid-template-columns: 1fr; gap: 40px; }
    .split-block.reverse .split-visual,
    .split-block.reverse .split-copy { order: initial; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .nav-menu { display: none; }
    .header-actions .btn-header { display: none; }
    .mobile-toggle { display: flex; }
    .header-container { height: 74px; }
    .hero-section { padding-top: 130px; }
    .page-hero { padding: 150px 0 70px; }

    .mobile-nav {
        display: block;
        position: fixed;
        top: 74px; left: 0; right: 0;
        background: #fff;
        border-top: 1px solid var(--line);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--ease);
        z-index: 999;
        box-shadow: 0 20px 40px rgba(12,29,52,0.1);
    }
    .mobile-nav.open { max-height: 520px; }
    .mobile-nav ul { padding: 16px 24px 26px; display: flex; flex-direction: column; }
    .mobile-nav a {
        display: block;
        padding: 13px 0;
        font-size: 15px;
        font-weight: 500;
        color: var(--navy-900);
        border-bottom: 1px solid var(--line);
    }
    .mobile-nav li:last-child a { border-bottom: none; }
}

@media (max-width: 720px) {
    .section-pad { padding: 70px 0; }
    .hero-stats-row { gap: 26px; }
    .services-grid-home { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .sectors-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .presence-grid { grid-template-columns: 1fr; }
    .mv-grid { grid-template-columns: 1fr; }
    .footer-main-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .cta-band { padding: 40px 28px; flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; }
    .footer-bottom-flex { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .footer-main-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }
    .container { padding: 0 20px; }
    .contact-form-card { padding: 30px 22px; }
}