@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow);
  }

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

  .split,
  .detail-grid,
  .contact-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4,
  .products-grid,
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .toolbar,
  .cta-inner {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .navbar {
    min-height: 68px;
  }

  .brand span {
    max-width: 180px;
    line-height: 1.2;
  }

  .nav-menu {
    top: 68px;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding: 80px 0;
  }

  .section {
    padding: 62px 0;
  }

  .grid-3,
  .grid-4,
  .products-grid,
  .stats,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    margin-top: 0;
    padding-top: 28px;
  }

  .product-media {
    height: 230px;
  }

  .mini-specs div {
    grid-template-columns: 1fr;
  }

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    padding-bottom: 4px;
  }

  .spec-table td {
    padding-top: 0;
  }

  .whatsapp-float,
  .back-to-top {
    right: 14px;
  }
}