/* =========================================================
   11. Responsive overrides
   ========================================================= */
@media (max-width: 1050px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .grid-2 {
    gap: 16px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    max-width: 760px;
  }

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

  .sidebar {
    position: fixed;
    left: calc(-1 * var(--sidebar) - 20px);
    box-shadow: var(--shadow);
    transition: 0.25s;
  }

  .sidebar.open {
    left: 0;
  }

  .dash-menu-btn {
    display: grid;
    width: 40px;
    height: 40px;
  }

  .dash-content {
    padding: 20px;
  }

  .auth-page {
    grid-template-columns: 1fr;
  }

  .auth-showcase {
    display: none;
  }

  .analyzer-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 840px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

@media (max-width: 760px) {
  .section {
    padding: 48px 0;
  }

  .nav-links {
    position: fixed;
    inset: 74px 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
    max-height: calc(100vh - 74px - 32px);
    overflow-y: auto;
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .menu-btn {
    display: grid;
    width: 40px;
    height: 40px;
  }

  .nav-actions .hide-mobile {
    display: none;
  }

  .nav-actions {
    gap: 8px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .preview-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 6vw, 5.6rem);
  }

  .dash-header {
    padding: 0 16px;
  }

  .dash-header .search {
    display: none;
  }

  .dash-content {
    padding: 16px;
  }

  .auth-form-wrap {
    padding: 16px;
  }

  .auth-card {
    padding: 22px;
  }

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

  .row-between.mobile-stack {
    flex-direction: column;
    align-items: stretch;
  }
}