/* === Mobile clean layout (≤768px) === */
@media (max-width: 768px) {
  html, body { font-size: 16px; line-height: 1.6; }
  .container { padding: 0 16px !important; }
  .header { position: sticky; top: 0; z-index: 1000; background: #fff; }
  .logo img, .logo-icon img { height: 44px !important; }
  .logo-text p { display: none; }
  .logo-text h1 { font-size: 18px; margin: 0; }
  .mega-nav .main-menu {
    display: flex; gap: 12px; padding: 8px 0;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    white-space: nowrap; scrollbar-width: none;
  }
  .mega-nav .main-menu::-webkit-scrollbar { display: none; }
  .mega-nav .has-mega-menu { display: none !important; }
  .hero-section { padding: 28px 0; text-align: center; }
  .hero-title { font-size: 22px; margin-bottom: 6px; }
  .hero-subtitle { font-size: 14px; opacity: .9; }
  .hero-stats {
    display: grid; grid-template-columns: repeat(2,1fr); gap: 10px;
    margin-top: 14px;
  }
  .hero-stats .stat-item { padding: 10px; border-radius: 12px; }
  .carousel { display: flex; }
  .carousel-slide { min-width: 100%; }
  .carousel-slide img {
    width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; border-radius: 12px;
  }
  .carousel-controls .carousel-control {
    width: 44px; height: 44px; line-height: 44px; border-radius: 999px;
    background: rgba(0,0,0,.5); color: #fff; border: 0;
  }
  .carousel-controls { gap: 8px; }
  .carousel-indicators { gap: 6px; }
  .carousel-indicators .indicator { width: 6px; height: 6px; }
  .services-grid,
  .management-grid,
  .projects-grid,
  .product-grid { 
    display: grid !important; grid-template-columns: 1fr !important; gap: 14px !important;
  }
  .service-card, .management-card, .project-card, .product-card {
    border-radius: 14px; overflow: hidden;
  }
  .project-header { min-height: 140px !important; }
  .modal-content {
    width: 96vw; max-height: 88vh; overflow: auto; border-radius: 16px;
    margin: 4vh auto !important; padding: 12px !important;
  }
  .modal-body img { width: 100%; height: auto; border-radius: 12px; }
  #backToTop { right: 14px; bottom: 14px; width: 44px; height: 44px; }
  .contact-container, .contact-info { display: grid !important; gap: 12px; }
  .contact-card { padding: 14px; border-radius: 12px; }
  .product-image img { height: 160px !important; object-fit: cover; }
  .product-info { padding: 12px; }
  .product-name { font-size: 16px; }
  .product-price { font-size: 15px; }
}