@media (max-width: 1100px) {
  .shop-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .shop-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .shop-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .specs-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .hero-grid,
  .about-grid,
  .projects-grid,
  .social-grid,
  .project-story-grid,
  .contact-hero-grid,
  .contact-layout,
  .form-grid,
  .shop-hero-grid,
  .shop-category-grid,
  .shop-preview-grid,
  .shop-products-grid,
  .shop-heading-inline,
  .specs-layout {
    grid-template-columns: 1fr;
  }

  .shop-heading-inline {
    display: grid;
    gap: 10px;
  }

  .header-inner {
    gap: 14px;
    padding: 10px 0;
  }

  .brand-logo {
    width: 188px;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 12px;
    left: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: rgba(10, 14, 20, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .nav.open {
    display: flex;
  }

  .nav a,
  .dropdown-toggle {
    width: 100%;
    padding: 14px 14px;
    text-align: left;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
  }

  .dropdown {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .dropdown-menu {
    position: static;
    min-width: 100%;
    margin-top: 8px;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    gap: 8px;
    padding: 8px;
    border-radius: 16px;
    box-shadow: none;
  }

  .dropdown.open .dropdown-menu {
    display: flex;
  }

  .dropdown-menu a {
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
  }

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

  .hero,
  .contact-hero,
  .shop-hero {
    padding-top: 72px;
  }

  .hero {
    padding-bottom: 48px;
  }

  .hero-grid,
  .contact-hero-grid,
  .shop-hero-grid {
    gap: 22px;
  }

  .hero-card,
  .contact-visual-card,
  .shop-hero-image,
  .viewer-card,
  .spec-card,
  .spec-card-enhanced,
  .spec-image-card,
  .contact-form-card,
  .contact-side-card,
  .shop-category-card,
  .shop-product-card,
  .legal-card {
    border-radius: 24px;
  }

  .hero-card {
    padding: 18px;
  }

  .hero-logo-wrap {
    aspect-ratio: 16 / 11;
    padding: 20px;
  }

  .hero-logo-wrap img {
    max-height: 140px;
  }

  .project-image {
    height: 300px;
  }

  .shop-hero-image {
    min-height: 320px;
  }

  .contact-visual {
    min-height: 300px;
    padding: 22px;
  }

  .contact-side-card {
    position: static;
    top: auto;
  }

  .contact-visual-badge {
    top: 18px;
    left: 18px;
  }

  .contact-circle-1 {
    width: 92px;
    height: 92px;
    right: 22px;
    bottom: 22px;
  }

  .contact-circle-2 {
    width: 48px;
    height: 48px;
    right: 108px;
    bottom: 50px;
  }

  .viewer-model,
  .viewer-model-large,
  .sketchfab-viewer,
  .sketchfab-viewer-xl {
    height: 440px;
  }

  .spec-list-enhanced li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .spec-card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .button-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .footer-inner {
    gap: 14px;
  }

  .footer-meta {
    justify-items: start;
  }

  .footer-socials,
  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100%, calc(100% - 22px));
  }

  section {
    padding: 22px 0 48px;
  }

  .hero,
  .contact-hero,
  .shop-hero {
    padding-top: 64px;
  }

  .hero {
    padding-bottom: 34px;
  }

  h1 {
    font-size: clamp(2rem, 11vw, 3.1rem);
    line-height: 0.96;
  }

  h2 {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .hero p,
  .section-heading p,
  .contact-hero-text p,
  .shop-hero-copy p {
    font-size: 0.98rem;
    margin-bottom: 18px;
  }

  .section-card,
  .hero-card,
  .project-content,
  .social-content,
  .contact-form-card,
  .contact-side-card,
  .contact-info-card,
  .contact-visual-card,
  .shop-product-content,
  .shop-category-card,
  .legal-card,
  .viewer-card,
  .spec-card,
  .spec-card-enhanced,
  .spec-image-card {
    padding: 18px;
  }

  .section-heading {
    margin-bottom: 20px;
  }

  .header-inner {
    padding: 8px 0;
  }

  .brand-logo {
    width: 156px;
  }

  .menu-toggle {
    min-width: 48px;
    min-height: 42px;
    padding: 9px 12px;
    font-size: 0.9rem;
  }

  .nav {
    left: 8px;
    right: 8px;
    top: calc(100% + 8px);
    padding: 12px;
    border-radius: 20px;
  }

  .hero-logo-wrap img {
    max-height: 118px;
  }

  .project-image,
  .shop-product-image {
    height: 250px;
  }

  .viewer-model,
  .viewer-model-large,
  .sketchfab-viewer,
  .sketchfab-viewer-xl {
    height: 360px;
  }

  .contact-visual {
    min-height: 240px;
  }

  .contact-visual-label {
    max-width: 250px;
  }

  .shop-hero-image {
    min-height: 240px;
  }

  .shop-product-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .shop-product-footer .btn {
    width: 100%;
  }

  .form-action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .form-action-row .btn,
  .form-mail-link {
    width: 100%;
    min-width: 0;
  }

  .footer-inner,
  .footer-links {
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100%, calc(100% - 16px));
  }

  .brand-logo {
    width: 136px;
  }

  .menu-toggle {
    padding: 8px 10px;
    font-size: 0.84rem;
  }

  .nav a,
  .dropdown-toggle,
  .dropdown-menu a {
    font-size: 0.92rem;
    padding: 12px;
  }

  .hero,
  .contact-hero,
  .shop-hero {
    padding-top: 58px;
  }

  h1 {
    font-size: clamp(1.9rem, 12vw, 2.7rem);
  }

  .project-image,
  .shop-product-image {
    height: 220px;
  }

  .viewer-model,
  .viewer-model-large,
  .sketchfab-viewer,
  .sketchfab-viewer-xl {
    height: 300px;
  }

  .contact-visual {
    min-height: 210px;
    padding: 18px;
  }

  .contact-visual-badge {
    font-size: 0.72rem;
    padding: 8px 11px;
  }

  .contact-circle-1 {
    width: 74px;
    height: 74px;
    right: 18px;
    bottom: 18px;
  }

  .contact-circle-2 {
    width: 38px;
    height: 38px;
    right: 82px;
    bottom: 38px;
  }

  .cta-box {
    padding: 22px 16px;
  }
}