@media (max-width: 1120px) {
  .primary-nav {
    gap: 14px;
    font-size: 0.88rem;
  }

  .header-cta {
    display: none;
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 960px) {
  :root {
    --header-h: 70px;
  }

  .nav-toggle {
    display: inline-grid;
  }

  .primary-nav {
    position: fixed;
    top: 70px;
    left: 16px;
    right: 16px;
    display: grid;
    justify-items: start;
    gap: 4px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(18px);
    padding: 14px;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-open .primary-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .page-admin .primary-nav {
    position: static;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    padding: 0;
  }

  .primary-nav a {
    width: 100%;
    padding: 12px 10px;
    border-radius: var(--radius);
  }

  .page-admin .primary-nav a {
    width: auto;
    padding: 6px 0;
  }

  .primary-nav a:hover {
    background: var(--surface-soft);
  }

  .primary-nav a::after {
    display: none;
  }

  .section-grid,
  .configurator-shell,
  .about-section,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-grid {
    min-height: auto;
  }

  .hero-visual {
    min-height: 430px;
    order: -1;
  }

  .preview-panel {
    min-height: 430px;
  }

  .steps-grid,
  .metrics-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .compact-hero {
    margin-inline: auto;
  }

  .admin-toolbar {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 720px) {
  .section,
  .section-grid,
  .page-hero,
  .site-footer {
    width: min(calc(100% - 24px), var(--max));
  }

  .site-header {
    padding-inline: 12px;
  }

  .brand span:last-child {
    font-size: 0.98rem;
  }

  .hero-actions,
  .dialog-actions {
    display: grid;
  }

  .hero-actions .button,
  .dialog-actions .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.3rem);
  }

  .product-grid,
  .catalogue-grid,
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics-band,
  .steps-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-visual {
    min-height: 360px;
  }

  .hero-measure-x {
    left: 5%;
    bottom: 15%;
  }

  .hero-measure-y {
    right: 2%;
    top: 12%;
  }

  .hero-chip {
    right: 4%;
    bottom: 25%;
  }
}

@media (max-width: 520px) {
  .header-inner {
    gap: 8px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .cart-trigger,
  .nav-toggle,
  .icon-button {
    width: 42px;
    height: 42px;
  }

  .product-grid,
  .catalogue-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 16px;
  }

  .configurator-panel,
  .preview-panel,
  .contact-form,
  .info-card {
    padding: 16px;
  }

  .preview-panel {
    min-height: 360px;
  }

  .plate-stage {
    min-height: 250px;
  }

  .price-card {
    display: grid;
  }

  .cart-panel {
    width: 100%;
    padding: 18px 14px;
  }

  .toast-region {
    right: 12px;
    bottom: 12px;
  }
}

@media (max-width: 390px) {
  .brand span:last-child {
    display: none;
  }

  .trust-row span,
  .hero-measure,
  .hero-chip {
    font-size: 0.82rem;
  }

  .segment-choice span {
    padding-inline: 10px;
  }
}