@media (max-width: 1024px) {
  .capabilities,
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero__grid,
  .proof,
  .product-hero,
  .about-grid,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .proof__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --logo-extenso-height: var(--logo-extenso-height-sm);
  }

  .nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md);
    background: var(--color-deep);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
  }

  .nav__link:hover {
    background: var(--color-surface);
  }

  .header__actions .btn:not(.menu-toggle) {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding-block: var(--space-3xl);
  }

  .section {
    padding-block: var(--space-3xl);
  }

  .capabilities,
  .apps-grid,
  .steps,
  .audience-grid {
    grid-template-columns: 1fr;
  }

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

  .advisory-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .whatsapp-float {
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}