@media (max-width: 1080px) {
  h1 {
    font-size: 3.4rem;
  }

  .calendar-grid,
  .announcement-grid,
  .toolbox-grid,
  .sponsors-grid,
  .challenge-hero-stats,
  .result-highlight-grid,
  .admin-stat-grid,
  .admin-media-grid.large {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 820px) {
  .container,
  .narrow {
    width: min(100% - 28px, 1160px);
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 2rem;
  }

  .header-inner {
    min-height: 68px;
  }

  .brand img {
    width: 180px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 8px);
    display: none;
    margin: 0;
    padding: 12px;
    background: #fff;
    border: 1px solid rgba(8, 8, 8, 0.12);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    width: 100%;
    padding: 13px 14px;
  }

  .site-nav-social {
    display: flex;
    gap: 8px;
    margin: 6px 0 0;
    padding: 12px 0 0;
    border-top: 1px solid rgba(8, 8, 8, 0.12);
    border-left: 0;
  }

  .site-nav-social a {
    width: 44px;
    height: 44px;
    padding: 0;
  }

  .hero-home {
    min-height: auto;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 56px;
    padding-bottom: 46px;
  }

  .page-hero {
    padding-top: 52px;
    padding-bottom: 42px;
  }

  .route-error .page-hero-404 {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    background: #001326;
  }

  .route-error .page-hero-404::before,
  .route-error .page-hero-404::after {
    content: none;
  }

  .route-error .page-hero-404 .page-hero-video {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    object-position: center;
    background: #000;
  }

  .page-hero-404 > .container {
    max-width: min(100% - 28px, 820px);
    margin-left: auto;
    padding-top: 24px;
    padding-bottom: 30px;
  }

  .challenge-hero {
    min-height: auto;
  }

  .challenge-hero-content {
    padding-top: 54px;
    padding-bottom: 44px;
  }

  .result-hero {
    min-height: auto;
  }

  .result-hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 54px;
    padding-bottom: 44px;
  }

  .result-visual {
    justify-items: start;
  }

  .race-countdown {
    width: 100%;
  }

  .countdown-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .section {
    padding: 58px 0;
  }

  .split-grid,
  .competitor-cta-grid,
  .format-grid,
  .prose-grid,
  .info-grid,
  .contact-grid,
  .auth-grid,
  .member-dashboard-grid,
  .quote-member-grid,
  .sale-submit-grid,
  .parts-quote-layout,
  .footer-grid,
  .filters,
  .form-grid-two,
  .form-grid-three,
  .choice-grid,
  .mandatory-parts,
  .quote-detail-grid,
  .summary-grid,
  .announcement-settings-grid,
  .admin-shell {
    grid-template-columns: 1fr;
  }

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

  .race-entry-stepper {
    grid-template-columns: 1fr;
  }

  .race-entry-stepper button {
    justify-content: flex-start;
    text-align: left;
    padding: 10px 12px;
  }

  .split-grid {
    gap: 28px;
  }

  .calendar-grid,
  .announcement-grid,
  .toolbox-grid,
  .sponsors-grid,
  .challenge-hero-stats,
  .result-highlight-grid,
  .admin-stat-grid,
  .admin-media-grid,
  .admin-media-grid.large {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
    gap: 12px;
    padding: 16px 14px;
  }

  .admin-sidebar-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .admin-brand {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
  }

  .admin-brand img {
    width: 150px;
  }

  .admin-nav-toggle {
    display: block;
  }

  .admin-nav {
    display: none;
    grid-template-columns: 1fr;
    gap: 11px;
    margin-top: 4px;
  }

  .admin-nav.is-open {
    display: grid;
  }

  .admin-nav-section {
    padding: 10px;
    border-radius: var(--radius);
  }

  .admin-nav-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .admin-sidebar > form {
    display: none;
  }

  .admin-sidebar.is-nav-open > form {
    display: block;
  }

  .admin-nav a {
    min-width: 0;
    min-height: 40px;
    padding: 8px 9px;
    font-size: 0.82rem;
    line-height: 1.18;
    overflow-wrap: anywhere;
  }

  .admin-main {
    padding: 20px 14px;
  }

  .admin-main h1 {
    font-size: 2.45rem;
  }

  .admin-card,
  .admin-table-wrap,
  .login-panel,
  .message-card {
    padding: 18px;
  }

  .admin-heading.with-action,
  .message-card header,
  .media-picker-head,
  .media-picker-panel-head,
  .reorder-help {
    align-items: stretch;
  }

  .admin-heading.with-action .admin-actions,
  .media-picker-actions,
  .reorder-help .admin-actions {
    justify-content: flex-start;
  }

  .dashboard-section-heading {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .dashboard-section-icon {
    width: 44px;
    height: 44px;
  }

  .dashboard-section-heading h2 {
    font-size: 1.9rem;
  }

  .dashboard-action-content strong {
    font-size: 2.15rem;
  }

  .photo-slot {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .photo-clear,
  .photo-add {
    justify-self: start;
  }

  .admin-heading.with-action,
  .footer-bottom,
  .message-card header {
    display: grid;
  }
}

@media (max-width: 520px) {
  h1,
  .admin-main h1 {
    font-size: 2.25rem;
  }

  .page-hero h1,
  .hero-copy h1,
  .challenge-hero-content h1,
  .result-hero-copy h1 {
    font-size: 2.15rem;
  }

  .challenge-hero-content h1 {
    font-size: 1.95rem;
    line-height: 1.06;
  }

  .hero-lead,
  .page-hero p {
    font-size: 1.02rem;
    line-height: 1.55;
  }

  .page-hero-404 {
    padding-bottom: 0;
  }

  .admin-nav a {
    font-size: 0.78rem;
  }

  .admin-nav {
    grid-template-columns: 1fr;
  }

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

  .admin-card,
  .admin-table-wrap,
  .contact-form,
  .rich-panel,
  .announcement-card,
  .contact-card,
  .info-block,
  .toolbox-item,
  .sponsor-card,
  .empty-state {
    padding: 16px;
  }

  .section-actions,
  .hero-actions,
  .member-actions,
  .dashboard-card-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .section-actions .btn,
  .hero-actions .btn,
  .member-actions .btn,
  .member-actions form,
  .member-actions button,
  .dashboard-card-actions .dashboard-card-action {
    width: 100%;
  }

  .member-list-item-actions {
    grid-template-columns: 1fr;
  }

  .member-inline-action {
    width: 100%;
    text-align: left;
  }

  .dashboard-action-card,
  .dashboard-info-card,
  .competitor-cta {
    grid-template-columns: 1fr;
  }

  .admin-queue-item,
  .admin-queue-empty {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .admin-queue-main strong {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

  .hero-slide:first-child,
  .challenge-hero-slide:first-child {
    opacity: 1;
    transform: none;
  }

  .result-hero-media,
  .result-board,
  .result-row,
  .result-progress span,
  .result-badge {
    animation: none !important;
    transform: none !important;
  }

  .site-header::after {
    animation: none !important;
    background:
      linear-gradient(90deg, transparent 0 45%, var(--yellow) 50%, transparent 55% 100%),
      linear-gradient(90deg, rgba(8, 8, 8, 0.1), rgba(8, 8, 8, 0.2), rgba(8, 8, 8, 0.1));
    background-size: 100% 100%;
    background-repeat: no-repeat;
  }

  .reveal,
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}