@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-page .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-connector {
    display: none;
  }
  h1 {
    font-size: 2.8rem;
  }
  h2 {
    font-size: 2rem;
  }
  .featured-projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .client-projects-strip {
    padding: 44px 0 52px;
  }
  .client-by-project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .client-marquee-shell {
    border-radius: 24px;
    padding: 22px 10px;
  }
  .marquee-item {
    width: 168px;
    height: 84px;
    padding: 12px 14px;
  }
  .marquee-group {
    gap: 22px;
  }

  /* Portfolio: 3-col base is too dense on tablet */
  .portfolio-grid-page {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding-top: 32px;
    padding-bottom: 64px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 60px;
  }
  .navbar-logo img {
    height: 56px;
    max-width: min(260px, 58vw);
  }
  .footer-brand img {
    height: 52px;
    max-width: min(240px, 75vw);
  }
  .page-wrap {
    padding-top: 92px;
  }
  .container {
    padding: 0 16px;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .navbar-links {
    display: none;
  }
  .navbar-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    font-size: 24px;
  }
  .section-header h2 {
    font-size: 1.8rem;
  }
  .blog-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    order: -1;
  }
  .filter-groups {
    flex-direction: column;
    gap: 12px;
  }
  .filter-btns {
    flex-wrap: wrap;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .featured-projects-grid {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-lightbox {
    padding: max(6px, env(safe-area-inset-top)) 44px max(8px, env(safe-area-inset-bottom)) 44px;
  }
  .portfolio-lightbox-img-el {
    max-width: min(96vw, calc(100vw - 56px));
    max-height: calc(100dvh - 92px);
  }
  .portfolio-lightbox-nav {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
  .portfolio-lightbox-prev {
    left: 4px;
  }
  .portfolio-lightbox-next {
    right: 4px;
  }

  /* Portfolio: single column on phones; room for floating WhatsApp */
  .portfolio-grid-page {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 24px;
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
  }

  .portfolio-more-section .portfolio-grid-page {
    padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  }

  .project-overlay {
    padding: 16px;
  }

  .project-name-label {
    font-size: 1rem;
    line-height: 1.3;
  }

  .portfolio-grid-page .project-card-cta {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    justify-content: center;
    text-align: center;
    font-size: 0.8rem;
    padding: 10px 12px;
    line-height: 1.25;
    white-space: normal;
    word-break: break-word;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .client-projects-strip {
    padding: 36px 0 44px;
  }
  .client-by-project-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .client-project-card-logo {
    height: 88px;
  }
  .clients-more-heading {
    font-size: 1.15rem;
  }
  .clients-more-lead {
    font-size: 0.88rem;
  }
  .client-marquee-shell {
    border-radius: 20px;
    padding: 18px 8px;
  }
  .marquee-item {
    width: 142px;
    height: 72px;
    padding: 10px 12px;
    border-radius: 12px;
  }
  .marquee-group {
    gap: 16px;
  }
  .marquee-track {
    animation-duration: 38s;
  }
  .hero-client-logos {
    display: none;
  }
  .hero-badge {
    font-size: 0.7rem;
  }
  h1 {
    font-size: 1.9rem;
  }
}