@media (max-width: 959px) {
  .nav-toggle {
    display: inline-grid;
  }

  .site-header {
    height: auto;
  }

  .header-bar {
    min-height: var(--header-h);
    flex-wrap: wrap;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    background: var(--canvas);
    border-bottom: 1px solid var(--border);
  }

  .site-header.is-open .site-nav {
    display: flex;
    z-index: 2;
    box-shadow: var(--shadow);
  }

  .site-nav .btn {
    width: 100%;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .auth-grid,
  .module-grid,
  .steps,
  .dash-grid,
  .report-grid,
  .summary-grid,
  .footer-grid,
  .timeline article {
    grid-template-columns: 1fr;
  }

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

  .cookie {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (min-width: 760px) {
  .container {
    width: min(1120px, calc(100% - 48px));
  }

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

@media (max-width: 759px) {
  .section {
    padding: 40px 0;
  }

  .hero {
    padding-top: 24px;
  }

  .mock-pills {
    grid-template-columns: 1fr;
  }

  .cta-panel,
  .card,
  .auth-card {
    padding: 16px;
  }

  .user-btn span:not(.avatar) {
    display: none;
  }

  .toast-region {
    left: 16px;
    right: 16px;
    bottom: calc(var(--bottom-nav-h) + 16px + env(safe-area-inset-bottom));
    width: auto;
  }

  body.public-body .toast-region,
  body.auth-body .toast-region {
    bottom: 16px;
  }
}

@media (min-width: 1024px) {
  .app-body {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    height: 100vh;
    overflow: hidden;
  }

  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100vh;
    padding: 16px;
    overflow: auto;
    background: var(--surface);
    border-right: 1px solid var(--border);
  }

  .side-nav {
    display: grid;
    gap: 4px;
  }

  .app-main {
    height: 100vh;
    overflow: auto;
  }

  .menu-btn,
  .bottom-nav,
  .scrim {
    display: none !important;
  }

  .topbar {
    padding-inline: 24px;
  }

  .app-content {
    width: min(1200px, calc(100% - 64px));
    margin-top: 24px;
  }
}

@media (max-width: 1023px) {
  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: fixed;
    z-index: 45;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(300px, 88vw);
    padding: 16px 16px calc(16px + var(--bottom-nav-h));
    overflow: auto;
    background: var(--surface);
    transform: translateX(-105%);
  }

  .app-body.is-nav-open .sidebar {
    transform: none;
  }

  .app-body.is-nav-open .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    border: 0;
    background: rgba(32, 53, 44, 0.4);
  }

  .side-nav {
    display: grid;
    gap: 4px;
  }

  .app-content {
    margin-bottom: calc(var(--bottom-nav-h) + 24px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 380px) {
  .bottom-nav a,
  .bottom-nav button {
    font-size: 10px;
  }
}