@media (max-width: 768px) {
  .nav-wrap {
    flex-direction: row;
    padding: 12px 0;
    align-items: center;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    width: 100%;
    height: 100dvh;
    padding: 96px 28px 40px;
    background: rgba(15, 23, 42, 0.98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-18px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s ease;
  }

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

  .main-nav a {
    color: var(--white);
    font-size: clamp(1.25rem, 5vw, 1.8rem);
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    transition: color 0.2s ease, opacity 0.28s ease, transform 0.28s ease;
  }

  .main-nav.is-open a {
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav.is-open a:nth-child(1) { transition-delay: 0.04s; }
  .main-nav.is-open a:nth-child(2) { transition-delay: 0.08s; }
  .main-nav.is-open a:nth-child(3) { transition-delay: 0.12s; }
  .main-nav.is-open a:nth-child(4) { transition-delay: 0.16s; }
  .main-nav.is-open a:nth-child(5) { transition-delay: 0.2s; }
  .main-nav.is-open a:nth-child(6) { transition-delay: 0.24s; }

  .main-nav a:hover,
  .main-nav a.active {
    color: var(--accent-teal);
  }

  .mobile-menu-toggle {
    position: relative;
    z-index: 50;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    margin-left: auto;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--white);
    color: var(--text);
  }

  .mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.24s ease, opacity 0.24s ease;
  }

  .mobile-menu-toggle.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
  }

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

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

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

  .hero,
  .page-hero {
    padding-top: 42px;
    padding-bottom: 38px;
  }

  .page-hero {
    min-height: 520px;
    padding-top: 84px;
    padding-bottom: 64px;
  }

  .page-hero .page-image {
    min-height: 520px;
  }

  .page-hero::before {
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.58));
  }

  .hero-inner,
  .two-columns,
  .quote-wrap,
  .three-columns,
  .triple-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .brand img {
    height: 46px;
  }

  .section {
    padding: 62px 0;
  }

  .quote-form-box {
    padding: 20px 16px;
  }

  .whatsapp-float {
    width: 58px;
    height: 58px;
    right: 16px;
    bottom: 18px;
    font-size: 1.7rem;
  }

  .home-hero {
    min-height: 92vh;
    padding: 112px 0 54px;
  }

  .home-hero-inner {
    text-align: left;
  }

  .hero-badge {
    margin-bottom: 16px;
  }

  .home-hero .hero-actions {
    align-items: stretch;
  }

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

  .text-on-dark-muted {
    font-size: 1rem;
  }

  .map-frame {
    min-height: 300px;
  }

  .home-contact-links {
    grid-template-columns: 1fr;
  }

  .comparison-box {
    flex-direction: column;
  }

  .change-row {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .project-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .project-cta-section {
    padding-bottom: 56px;
  }

  .project-cta {
    align-items: stretch;
    flex-direction: column;
    padding: 24px 20px;
  }

  .project-cta .btn {
    width: 100%;
  }

  .project-card dl div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .project-card dd {
    text-align: left;
  }

  .nav-cta {
    display: none;
  }
}