/* Mobile & small tablets — load after each page’s inline <style> */

/* Hamburger: hidden on desktop; shown in mobile block below */
.nav-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: #1a1a18;
  border-radius: 4px;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent, #2e7d65);
  outline-offset: 2px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 768px) {
  html {
    -webkit-text-size-adjust: 100%;
  }

  /* Navigation: one row — hamburger + title; links in slide-down panel */
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    order: 0;
  }

  nav {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    height: auto;
    min-height: 0;
    padding: 0.5rem 1rem 0.75rem;
    gap: 0.5rem 0.75rem;
  }

  .nav-logo {
    order: 1;
    flex: 1;
    min-width: 0;
    text-align: left;
    align-self: center;
  }

  .nav-links {
    order: 2;
    flex-basis: 100%;
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 0.25rem;
    border-top: 0.5px solid #deded8;
    margin-top: 0.25rem;
  }

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

  nav.nav-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  nav.nav-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  nav.nav-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-links a {
    font-size: 13px;
    padding: 0.65rem 0.25rem;
    border-bottom: 0.5px solid #eee;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  /* Horizontal rhythm (pages use 3rem side padding) */
  .section-divider {
    margin-left: 1rem;
    margin-right: 1rem;
  }

  .page-header {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    padding-top: 1.5rem !important;
    padding-bottom: 1.25rem !important;
  }

  .content {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .author-with-photo {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }

  .author-with-photo .author-photo-wrap {
    width: 200px;
  }

  .author-with-photo .prose {
    width: 100%;
  }

  footer {
    padding: 1.25rem 1rem !important;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  /* Index */
  .hero {
    padding: 1.5rem 1rem 2rem !important;
  }

  .stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1rem;
    align-items: start;
    justify-items: center;
    margin-bottom: 2rem !important;
  }

  .stat {
    align-items: center;
    text-align: center;
  }

  .stat-divider {
    display: none;
  }

  .funder-band {
    padding: 1rem 1rem !important;
  }

  .funder-band-inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .funder-band-text {
    white-space: normal !important;
    text-align: center;
  }

  .questions-section {
    padding: 1.5rem 1rem 0.5rem !important;
  }

  .data-preview-section {
    padding: 2rem 1rem 1.5rem !important;
  }

  .data-preview-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .shuffle-grid {
    grid-template-columns: 1fr !important;
  }

  .pillars-section {
    padding: 2.5rem 1rem !important;
  }

  .aia-section {
    padding: 2rem 1rem !important;
  }

  .aia-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .aia-grid {
    grid-template-columns: 1fr !important;
  }

  .aia-card-preview {
    height: 100px;
  }

  /* Explore */
  .filter-wrap {
    padding: 1rem 1rem 0 !important;
  }

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

  .filter-row-label {
    margin-bottom: 0.35rem;
  }

  .filter-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .table-wrap {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    padding-bottom: 3rem !important;
  }

  /* Project spotlight */
  .spotlight-section {
    padding: 1.5rem 1rem 3rem !important;
  }

  .spotlight-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .card-preview {
    height: 140px;
  }

  .modal-backdrop {
    padding: 0.75rem !important;
    align-items: center;
  }

  .modal {
    max-height: 90vh;
  }

  .modal-photo {
    height: 160px;
  }

  .modal-body {
    padding: 1.25rem 1.1rem 1.5rem !important;
  }

  .modal-title {
    font-size: 1.15rem !important;
  }

  /* Pillars */
  .definitions-section {
    padding: 1.5rem 1rem 2rem !important;
  }

  .pillars-section-header {
    padding: 1.5rem 1rem 0 !important;
  }

  .pillars-list {
    padding: 0.75rem 1rem 2rem !important;
  }

  .terms-details-inner {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .terms-table {
    min-width: 480px;
  }

  .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0.5rem 0;
  }

  .method-section .pillar-table {
    min-width: 560px;
  }

  .accordion-header {
    padding: 1.1rem 1rem !important;
    gap: 0.65rem;
  }

  .accordion-body-inner {
    padding: 0 1rem 1.25rem !important;
    padding-left: 1rem !important;
  }

  .accordion.open .accordion-body {
    max-height: 80vh;
  }

  .code-grid {
    grid-template-columns: 1fr !important;
  }

  .resource-section {
    padding-top: 2rem !important;
  }
}

@media (max-width: 480px) {
  .hero h1,
  .page-header h1 {
    font-size: clamp(1.5rem, 7vw, 2rem) !important;
  }

  .pill {
    font-size: 12px;
    padding: 0.4rem 0.75rem;
  }
}