@media (max-width: 1000px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .filter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-aside > div {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: fixed;
    left: -270px;
    z-index: 100;
    width: 250px;
    transition: left 0.2s;
  }
  .admin-sidebar.open {
    left: 0;
  }
  .icon-button {
    display: inline-block;
  }
  .admin-topbar {
    justify-content: flex-start;
  }
  .admin-topbar span {
    margin-left: auto;
  }
}
@media (max-width: 720px) {
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    padding: 8px 12px;
  }
  .hero {
    padding: 48px 0;
  }
  .hero-grid,
  .school-grid {
    grid-template-columns: 1fr;
  }
  .hero-search {
    display: grid;
    gap: 8px;
  }
  .hero-search input,
  .hero-search button {
    border-radius: 9px;
  }
  .feature-grid,
  .filter-grid,
  .facts-grid,
  .stats-grid,
  .stats-grid.compact {
    grid-template-columns: 1fr;
  }
  .filter-toggle {
    display: inline-flex;
    margin-bottom: 14px;
  }
  .filter-panel {
    display: none;
  }
  .filter-panel.open {
    display: block;
  }
  .school-card-head {
    grid-template-columns: 52px 1fr;
  }
  .school-card-head img,
  .logo-placeholder {
    width: 52px;
    height: 52px;
  }
  .school-card-head > .status {
    grid-column: 2;
  }
  .school-hero {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .major-table thead {
    display: none;
  }
  .major-table,
  .major-table tbody,
  .major-table tr,
  .major-table td {
    display: block;
    width: 100%;
  }
  .major-table tr {
    border-bottom: 2px solid var(--border-color);
    padding: 10px;
  }
  .major-table td {
    border: 0;
    padding: 5px;
  }
  .major-table td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted-text-color);
    font-size: 0.75rem;
  }
  .footer-grid {
    display: grid;
  }
  .admin-main {
    padding: 16px;
  }
  .admin-page-heading {
    display: grid;
  }
  .admin-filter {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .span-2 {
    grid-column: auto;
  }
  .form-tabs {
    top: 64px;
  }
  .repeat-row,
  .repeat-row.faq-row {
    grid-template-columns: 1fr;
  }
  .sticky-actions {
    bottom: 0;
  }
  .quick-links {
    display: grid;
  }
}