@media (max-width: 1080px) {
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .industry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 1.4rem;
    left: 1.4rem;
    padding: 0.8rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 32px rgba(10, 28, 61, 0.14);
    display: grid;
    gap: 0.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav .btn {
    margin-top: 0.35rem;
    width: 100%;
  }

  .site-nav .lang-switch {
    margin-top: 0.28rem;
    width: fit-content;
  }

  .hero-grid,
  .differential-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
  }

  .process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  :root {
    --container-width: min(1130px, calc(100% - 1.6rem));
  }

  .section {
    padding: 4.2rem 0;
    scroll-margin-top: 5.6rem;
  }

  .hero-section {
    padding-top: 5.1rem;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .value-grid,
  .services-grid,
  .process-steps,
  .industry-grid {
    grid-template-columns: 1fr;
  }

  .hero-badges {
    gap: 0.45rem;
  }

  .hero-badges li {
    font-size: 0.75rem;
  }

  .footer-bottom {
    margin-top: 1.3rem;
  }
}