@media (max-width: 992px) {
  .services-grid,
  .values-grid,
  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }

  nav {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .nav-right {
    gap: 10px;
  }

  nav {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 18px;
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
    opacity: 0;
    transform: scale(0.98);
    pointer-events: none;
    background: rgba(18, 20, 23, 0.96);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

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

  nav a {
    margin: 0;
    font-size: 20px;
    padding: 8px 0;
    display: block;
    width: 100%;
    text-align: center;
    transform: translateX(-26px);
  }

  .nav-actions {
    margin: 0;
    flex-direction: row;
    width: auto;
    gap: 8px;
  }

  .lang-select-wrap,
  .lang-select,
  .theme-toggle {
    width: auto;
  }

  .logo {
    font-size: 20px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .theme-toggle {
    border: none;
    box-shadow: none;
    background: transparent;
  }

  .theme-toggle:focus {
    outline: none;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 46px;
    height: 46px;
  }

  h1 {
    font-size: 34px;
  }

  .hero {
    padding: 100px 0 80px;
    text-align: center;
  }

  .hero p {
    font-size: 16px;
  }

  section {
    padding: 72px 0;
  }

  .service,
  .value-card {
    padding: 28px;
  }

  .timeline-item {
    padding: 18px 20px;
  }

  .btn-primary {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 16px;
  }

  .btn-secondary {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 12px;
  }

  .form input,
  .form textarea {
    font-size: 16px;
  }

  .stats h3 {
    font-size: 32px;
  }

  .faq-question {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  nav a {
    font-size: 13px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero p {
    font-size: 15px;
  }

  .service h3 {
    font-size: 18px;
  }
}