@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand action"
      "search search"
      "nav nav"
      "toggle snapshot";
  }

  .catalog-view {
    grid-template-columns: 1fr;
  }

  .catalog-filters {
    position: static;
  }

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

  .family-guidance {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .catalog-filters {
    padding: 0;
    overflow: visible;
  }

  .filter-summary {
    display: flex;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    cursor: pointer;
  }

  .filter-summary span {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    padding: 4px 9px;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 800;
  }

  .catalog-filters[open] .filter-summary {
    border-bottom: 1px solid var(--line);
  }

  .catalog-filters[open] .filter-summary span::before {
    content: "Скрыть ";
  }

  .catalog-filters > .filter-grid,
  .catalog-filters > .secondary-action {
    margin-right: 16px;
    margin-left: 16px;
  }

  .catalog-filters > .secondary-action {
    margin-bottom: 16px;
  }

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

@media (max-width: 680px) {
  .topbar {
    position: static;
    grid-template-columns: minmax(0, 1fr) max-content;
    grid-template-areas:
      "brand action"
      "search search"
      "nav nav"
      "toggle snapshot";
    gap: 10px 12px;
    padding: 12px 16px;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .topbar > .primary-action {
    width: max-content;
    min-width: 0;
    max-width: none;
    padding-inline: 10px;
    font-size: 0.68rem;
    white-space: nowrap;
  }

  .guide-nav {
    width: calc(100vw - 32px);
    overflow-x: auto;
    padding: 7px 6px;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .guide-nav a,
  .call-mode-toggle {
    min-height: 44px;
  }

  .topbar > .call-mode-toggle {
    justify-self: start;
  }

  .snapshot {
    flex-wrap: wrap;
    justify-self: start;
    white-space: normal;
  }

  main,
  footer {
    width: calc(100% - 32px);
  }

  .route-heading {
    grid-template-columns: 1fr;
    padding: 34px 0 30px 18px;
  }

  .route-heading .eyebrow,
  .hero-actions {
    grid-column: auto;
  }

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

  .model-grid,
  .filter-grid,
  .scenario-columns,
  .recommendation-grid,
  .task-picker {
    grid-template-columns: 1fr;
  }

  .catalog-view {
    gap: 14px;
    padding-top: 18px;
  }

  .catalog-results {
    scroll-margin-top: 16px;
  }

  .recent-models {
    align-items: flex-start;
    flex-direction: column;
  }

  .recent-models a,
  .ecosystem-navigation a,
  .glossary-navigation a,
  .task-tags a,
  .task-tag-muted,
  .compare-remove {
    min-height: 44px;
  }

  .catalog-results-heading {
    gap: 12px;
  }

  .catalog-results-heading p {
    text-align: right;
  }

  .model-card {
    min-height: 0;
  }

  .model-hero,
  .model-section {
    grid-template-columns: 1fr;
  }

  .model-hero h1 {
    font-size: clamp(2.35rem, 13vw, 4rem);
  }

  .model-section {
    padding-left: 42px;
  }

  .model-section::after {
    left: 13px;
  }

  .share-block,
  .scenario-columns,
  .sales-panel,
  .task-link-list,
  .technical-list,
  .personalization-list,
  .model-section--limitations-alternatives > .limitation-panel,
  .model-section--limitations-alternatives > .alternative-panel {
    grid-column: 1;
  }

  .share-block {
    grid-row: auto;
  }

  .share-actions {
    justify-content: flex-start;
  }

  .share-actions > * {
    flex: 1 1 180px;
  }

  .technical-list {
    grid-template-columns: 1fr;
  }

  .technical-list dt {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  .technical-list dd {
    padding-top: 0;
  }

  .alternative-list li {
    grid-template-columns: 1fr;
  }

  .glossary-view {
    display: block;
  }

  .glossary-navigation {
    padding-top: 28px;
  }

  .compare-entry {
    grid-column: 1 / -1;
    justify-self: start;
    max-width: 100%;
  }

  .compare-scroll table {
    min-width: 760px;
  }

  .compare-scroll th,
  .compare-scroll td {
    min-width: 190px;
    padding: 14px;
  }

  .compare-scroll tr > :first-child {
    min-width: 150px;
  }

  footer,
  .error-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  footer p:last-child {
    white-space: normal;
  }
}

@media (max-width: 359px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) max-content;
    padding-inline: 12px;
  }

  .brand strong {
    font-size: 0.88rem;
  }

  .guide-nav {
    width: calc(100vw - 24px);
  }

  main,
  footer {
    width: calc(100% - 24px);
  }

  .route-heading {
    padding-left: 14px;
  }

  .model-section {
    padding-left: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .topbar,
  .share-block,
  .catalog-filters,
  .compare-controls,
  .skip-link {
    display: none !important;
  }

  html,
  body {
    background: var(--surface);
  }

  main,
  footer {
    width: 100%;
  }

  .model-card,
  .recommendation-card,
  .model-section {
    break-inside: avoid;
    box-shadow: none;
  }

  .compare-scroll {
    overflow: visible;
  }

  .compare-scroll table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
  }

  .compare-scroll th,
  .compare-scroll td {
    min-width: 0;
    white-space: normal;
  }

  .compare-scroll tr > :first-child {
    position: static;
    min-width: 0;
    box-shadow: none;
  }
}