@media (max-width: 1024px) {
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(0, 0, 0, 0.98);
    padding: 1rem 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border-dark);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

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

  .site-nav__link {
    padding: 0.75rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-dark);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-header__actions .btn--primary {
    display: none;
  }

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

  .platform__visual {
    justify-content: center;
    order: -1;
  }

  .platform__circle-mask {
    width: min(100%, 320px);
  }

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

  .solution-showcase {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .tech-benefits {
    grid-template-columns: 1fr;
  }

  .stats-band {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__blob-frame {
    aspect-ratio: 4 / 3;
  }

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

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

  .site-footer__legal {
    flex-direction: column;
    gap: 0.5rem;
  }

  .modal__panel {
    padding: 1.75rem;
  }

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

  .cta-section__actions .btn {
    width: 100%;
    max-width: 280px;
  }
}