:root {
      --reso-navy: #1a2f58;
      --reso-navy-dark: #0f1d38;
      --reso-navy-light: #2a4a7f;
      --reso-orange: #ff9900;
      --reso-orange-light: #fff3e0;
      --reso-green: #38a169;
      --reso-green-light: #e6f7ed;
      --reso-blue: #007e9e;
      --reso-blue-light: #e0f4f8;
      --reso-gray-50: #f7fafc;
      --reso-gray-100: #edf2f7;
      --reso-gray-200: #e2e8f0;
      --reso-gray-300: #cbd5e0;
      --reso-gray-500: #718096;
      --reso-gray-600: #4a5568;
      --reso-gray-700: #2d3748;
      --reso-gray-800: #1a202c;
      --reso-gray-900: #171923;
    }

    html.dark {
      --reso-gray-50: #1a202c;
      --reso-gray-100: #2d3748;
      --reso-gray-200: #4a5568;
      --reso-gray-300: #718096;
      --reso-gray-500: #a0aec0;
      --reso-gray-600: #cbd5e0;
      --reso-gray-700: #e2e8f0;
      --reso-gray-800: #edf2f7;
      --reso-gray-900: #f7fafc;
      --reso-green-light: rgba(56,161,105,0.15);
      --reso-orange-light: rgba(255,153,0,0.15);
      --reso-blue-light: rgba(0,126,158,0.15);
    }
    html.dark .dd-landing-tile,
    html.dark .dd-landing-related-grid,
    html.dark .dd-landing-note,
    html.dark .search-modal { background: var(--reso-gray-100); }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
      background: var(--reso-gray-50);
      color: var(--reso-gray-700);
      line-height: 1.6;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* Header */
    .site-header {
      background: var(--reso-navy);
      padding: 0 1.5rem;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    .site-header a { color: white; text-decoration: none; }
    .header-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.025em;
    }
    .header-logo img { height: 36px; width: auto; }
    .header-nav { display: flex; gap: 1.5rem; align-items: center; }
    .header-nav a {
      font-size: 0.875rem;
      font-weight: 500;
      opacity: 0.85;
      transition: opacity 0.15s;
    }
    .header-nav a:hover { opacity: 1; color: var(--reso-orange); }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      color: white;
    }
    .menu-toggle svg { width: 24px; height: 24px; fill: currentColor; }

    @media (max-width: 768px) {
      .site-header { flex-wrap: wrap; height: auto; min-height: 64px; }
      .menu-toggle { display: block; order: 3; }
      .theme-toggle { margin-top: 0.5rem; justify-content: center; }
      .header-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 0.5rem 0 1rem;
        border-top: 1px solid rgba(255,255,255,0.15);
        order: 4;
      }
      .header-nav.open { display: flex; }
      .header-nav a {
        padding: 0.625rem 0;
        opacity: 1;
        border-bottom: 1px solid rgba(255,255,255,0.08);
      }
      .header-nav a:last-of-type { border-bottom: none; }
    }

    /* Footer */
    .site-footer {
      background: var(--reso-navy);
      color: rgba(255,255,255,0.6);
      text-align: center;
      padding: 1.5rem;
      font-size: 0.8125rem;
    }
    .site-footer a { color: rgba(255,255,255,0.8); text-decoration: none; }
    .site-footer a:hover { color: var(--reso-orange); }

    /* Landing page */
    .dd-landing {
      flex: 1;
      max-width: 1100px;
      width: 100%;
      margin: 0 auto;
      padding: 2.5rem 1.5rem;
    }

    .dd-landing-header {
      margin-bottom: 2rem;
    }
    .dd-landing-header h1 {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--reso-gray-800);
      letter-spacing: -0.025em;
    }
    .dd-landing-header p {
      font-size: 0.95rem;
      color: var(--reso-gray-500);
      margin-top: 0.375rem;
      max-width: 700px;
      line-height: 1.6;
    }

    .dd-hero-search {
      margin-top: 1.25rem;
      max-width: 520px;
      position: relative;
      cursor: pointer;
    }
    .dd-hero-search-input {
      width: 100%;
      padding: 0.75rem 1rem 0.75rem 2.75rem;
      font-size: 0.9375rem;
      border: 1.5px solid var(--reso-gray-300);
      border-radius: 0.5rem;
      background: white;
      color: var(--reso-gray-600);
      cursor: pointer;
      transition: border-color 0.15s, box-shadow 0.15s;
    }
    .dd-hero-search-input:hover {
      border-color: var(--reso-blue);
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }
    html.dark .dd-hero-search-input { background: var(--reso-gray-100); }
    .dd-hero-search-icon {
      position: absolute;
      left: 0.875rem;
      top: 50%;
      transform: translateY(-50%);
      width: 18px;
      height: 18px;
      fill: none;
      stroke: var(--reso-gray-500);
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      pointer-events: none;
    }
    .dd-hero-search-kbd {
      position: absolute;
      right: 0.75rem;
      top: 50%;
      transform: translateY(-50%);
      font-size: 0.6875rem;
      font-family: inherit;
      color: var(--reso-gray-500);
      background: var(--reso-gray-100);
      border: 1px solid var(--reso-gray-300);
      border-radius: 0.25rem;
      padding: 0.125rem 0.5rem;
      pointer-events: none;
    }

    .dd-landing-note {
      margin-top: 2rem;
      padding: 0.75rem 1rem;
      background: white;
      border: 1px solid var(--reso-gray-200);
      border-left: 3px solid var(--reso-blue);
      border-radius: 0.375rem;
      font-size: 0.8125rem;
      color: var(--reso-gray-600);
      line-height: 1.6;
      max-width: 600px;
    }
    .dd-landing-note a {
      color: var(--reso-blue);
      text-decoration: none;
      font-weight: 500;
    }
    .dd-landing-note a:hover { text-decoration: underline; }

    .dd-landing-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }
    @media (min-width: 640px) {
      .dd-landing-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    }

    .dd-landing-tile {
      background: white;
      border: 1px solid var(--reso-gray-200);
      border-radius: 0.625rem;
      padding: 1.5rem;
      text-decoration: none;
      color: inherit;
      transition: box-shadow 0.15s, border-color 0.15s;
      display: block;
    }
    .dd-landing-tile:hover {
      box-shadow: 0 4px 16px rgba(0,0,0,0.08);
      border-color: var(--reso-blue);
    }
    .dd-landing-tile-legacy {
      opacity: 0.75;
    }
    .dd-landing-tile-legacy:hover {
      opacity: 1;
    }

    .dd-landing-tile-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.375rem;
    }
    .dd-landing-tile-header h2 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--reso-gray-800);
    }

    .dd-landing-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.1875rem 0.625rem;
      border-radius: 0.25rem;
      font-size: 0.6875rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .dd-landing-badge-active {
      background: var(--reso-green-light);
      color: var(--reso-green);
    }
    .dd-landing-badge-legacy {
      background: var(--reso-gray-100);
      color: var(--reso-gray-500);
    }
    .dd-landing-badge-draft {
      background: var(--reso-orange-light);
      color: var(--reso-orange);
    }

    .dd-landing-tile-approved {
      font-size: 0.8125rem;
      color: var(--reso-gray-500);
      margin-bottom: 1rem;
    }

    .dd-landing-tile-stats {
      display: flex;
      gap: 1.5rem;
    }
    .dd-landing-stat {
      display: flex;
      flex-direction: column;
    }
    .dd-landing-stat-number {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--reso-gray-800);
      line-height: 1.2;
    }
    .dd-landing-stat-label {
      font-size: 0.6875rem;
      color: var(--reso-gray-500);
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    /* Related Resources */
    .dd-landing-related {
      margin-top: 2.5rem;
    }
    .dd-landing-related h3 {
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--reso-gray-500);
      margin-bottom: 0.75rem;
    }
    .dd-landing-related-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0;
      background: white;
      border: 1px solid var(--reso-gray-200);
      border-radius: 0.625rem;
      overflow: hidden;
    }
    @media (min-width: 768px) {
      .dd-landing-related-grid { grid-template-columns: repeat(2, 1fr); }
    }
    .dd-landing-related-item {
      padding: 1rem 1.25rem;
      border-bottom: 1px solid var(--reso-gray-100);
      display: flex;
      align-items: center;
      gap: 0.75rem;
      text-decoration: none;
      color: inherit;
      transition: background 0.1s;
    }
    .dd-landing-related-item:hover { background: var(--reso-gray-50); }
    .dd-landing-related-item:last-child { border-bottom: none; }
    @media (min-width: 768px) {
      .dd-landing-related-item { border-right: 1px solid var(--reso-gray-100); }
      .dd-landing-related-item:nth-child(2n) { border-right: none; }
      .dd-landing-related-item:nth-last-child(-n+2) { border-bottom: none; }
    }
    .dd-landing-related-icon {
      width: 36px;
      height: 36px;
      border-radius: 0.375rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .dd-landing-related-icon svg { width: 18px; height: 18px; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .dd-landing-related-icon-navy { background: rgba(26,47,88,0.1); }
    .dd-landing-related-icon-navy svg { stroke: var(--reso-navy); }
    .dd-landing-related-icon-blue { background: rgba(0,126,158,0.1); }
    .dd-landing-related-icon-blue svg { stroke: var(--reso-blue); }
    .dd-landing-related-icon-orange { background: rgba(255,153,0,0.1); }
    .dd-landing-related-icon-orange svg { stroke: var(--reso-orange); }
    .dd-landing-related-icon-green { background: rgba(56,161,105,0.1); }
    .dd-landing-related-icon-green svg { stroke: var(--reso-green); }
    html.dark .dd-landing-related-icon-navy { background: rgba(99,179,237,0.15); }
    html.dark .dd-landing-related-icon-navy svg { stroke: #63b3ed; }
    html.dark .dd-landing-related-icon-blue { background: rgba(99,179,237,0.15); }
    html.dark .dd-landing-related-icon-blue svg { stroke: #4fd1c5; }
    html.dark .dd-landing-related-icon-orange { background: rgba(255,153,0,0.15); }
    html.dark .dd-landing-related-icon-orange svg { stroke: #fbd38d; }
    html.dark .dd-landing-related-icon-green { background: rgba(72,187,120,0.15); }
    html.dark .dd-landing-related-icon-green svg { stroke: #68d391; }
    .dd-landing-related-text h4 {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--reso-gray-800);
    }
    .dd-landing-related-text p {
      font-size: 0.75rem;
      color: var(--reso-gray-500);
      margin-top: 0.125rem;
    }

    /* Acknowledgements */
    .dd-landing-acknowledgements {
      margin-top: 2.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--reso-gray-200);
    }
    .dd-landing-acknowledgements p {
      font-size: 0.8125rem;
      color: var(--reso-gray-500);
      line-height: 1.6;
    }
    .dd-landing-acknowledgements a {
      color: var(--reso-blue);
      text-decoration: none;
      font-weight: 600;
    }
    .dd-landing-acknowledgements a:hover { text-decoration: underline; }

    /* Theme toggle */
    .theme-toggle {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 0.375rem;
      color: rgba(255,255,255,0.7);
      padding: 0.375rem 0.5rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      transition: background 0.15s;
    }
    .theme-toggle:hover { background: rgba(255,255,255,0.25); color: white; }
    .theme-toggle svg { width: 16px; height: 16px; fill: currentColor; }
    .theme-toggle .icon-moon { display: block; }
    .theme-toggle .icon-sun { display: none; }
    html.dark .theme-toggle .icon-moon { display: none; }
    html.dark .theme-toggle .icon-sun { display: block; }

    /* Search trigger */
    .search-trigger {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 0.375rem;
      color: rgba(255,255,255,0.7);
      font-size: 0.8125rem;
      padding: 0.375rem 0.75rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      transition: background 0.15s;
    }
    .search-trigger:hover {
      background: rgba(255,255,255,0.25);
      color: white;
    }
    .search-trigger svg { width: 14px; height: 14px; fill: currentColor; }
    .search-trigger kbd {
      font-family: inherit;
      font-size: 0.6875rem;
      background: rgba(255,255,255,0.15);
      border-radius: 0.25rem;
      padding: 0.125rem 0.375rem;
    }
    @media (max-width: 768px) {
      .search-trigger { margin-top: 0.5rem; justify-content: center; }
      .search-trigger kbd { display: none; }
    }

    /* Search modal — reuses same styles as version pages */
    .search-modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 100;
      align-items: flex-start;
      justify-content: center;
      padding-top: 10vh;
    }
    .search-modal-overlay.active { display: flex; }
    body.search-open { overflow: hidden; }
    .search-modal {
      background: white;
      border-radius: 0.75rem;
      width: 90%;
      max-width: 640px;
      height: 70vh;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    }
    @media (max-width: 768px) {
      .search-modal-overlay { padding-top: 1rem; }
      .search-modal { width: calc(100% - 1.5rem); height: 85vh; border-radius: 0.5rem; }
    }
    /* Pagefind flexbox layout — input+pills stay fixed, drawer scrolls */
    #search, .pagefind-ui, .pagefind-ui .pagefind-ui__form {
      display: flex !important; flex-direction: column !important; flex: 1 !important; min-height: 0 !important;
    }
    .pagefind-ui .pagefind-ui__form { padding: 1rem 1rem 0 !important; position: relative !important; }
    .pagefind-ui .pagefind-ui__form::before { position: absolute !important; top: 1.875rem !important; left: 1.625rem !important; width: 18px !important; height: 18px !important; }
    html.dark .pagefind-ui .pagefind-ui__form { background: #1e293b; }
    .pagefind-ui .pagefind-ui__search-input {
      border: 1.5px solid var(--reso-gray-300) !important; border-radius: 0.5rem !important;
      padding: 0.625rem 3.5rem 0.625rem 2.5rem !important; font-size: 1rem !important;
      color: var(--reso-gray-800) !important; background: var(--reso-gray-50) !important;
      font-family: inherit !important; height: auto !important;
    }
    .pagefind-ui .pagefind-ui__search-input::placeholder { color: var(--reso-gray-500) !important; }
    .pagefind-ui .pagefind-ui__search-input:focus {
      border-color: var(--reso-blue) !important; box-shadow: 0 0 0 3px rgba(0,126,158,0.15) !important; outline: none !important;
    }
    .dd-search-input {
      width: 100%; border: 1.5px solid var(--reso-gray-300); border-radius: 0.5rem;
      padding: 0.625rem 3.5rem 0.625rem 2.5rem; font-size: 1rem;
      color: var(--reso-gray-800); background: var(--reso-gray-50); font-family: inherit; box-sizing: border-box;
    }
    .dd-search-input::placeholder { color: var(--reso-gray-500); }
    .dd-search-input:focus { border-color: var(--reso-blue); box-shadow: 0 0 0 3px rgba(0,126,158,0.15); outline: none; }
    html.dark .dd-search-input { background: #2d3748; border-color: #4a5568; color: #e2e8f0; }
    html.dark .dd-search-input::placeholder { color: #718096; }
    .pagefind-ui .pagefind-ui__search-clear {
      position: absolute !important; top: 1rem !important; right: 1.5rem !important;
      color: var(--reso-gray-500) !important; font-size: 0.8125rem !important; font-weight: 500 !important;
      background: none !important; border: none !important; padding: 0.125rem 0.375rem !important; cursor: pointer !important;
    }
    .pagefind-ui .pagefind-ui__search-clear:hover { color: var(--reso-gray-800) !important; }
    .dd-search-meta { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0 0.75rem; border-bottom: 1px solid var(--reso-gray-200); }
    .dd-search-filters { display: flex; gap: 0.375rem; flex-wrap: wrap; }
    .dd-search-filter-pill { padding: 0.1875rem 0.625rem; border-radius: 0.25rem; border: 1px solid var(--reso-gray-200); background: transparent; color: var(--reso-gray-600); font-size: 0.6875rem; font-weight: 500; cursor: pointer; transition: all 0.1s; }
    .dd-search-filter-pill:hover { border-color: var(--reso-blue); color: var(--reso-blue); }
    .dd-search-filter-pill.active { background: var(--reso-blue); border-color: var(--reso-blue); color: white; }
    .dd-search-count { font-size: 0.6875rem; color: var(--reso-gray-500); white-space: nowrap; }
    .pagefind-ui .pagefind-ui__button { height: 0 !important; overflow: hidden !important; opacity: 0 !important; padding: 0 !important; margin: 0 !important; border: none !important; }
    .pagefind-ui .pagefind-ui__message { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; }
    .pagefind-ui .pagefind-ui__filter-panel { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; }
    .pagefind-ui .pagefind-ui__drawer { padding: 0 1rem 1rem !important; overflow-y: auto !important; flex: 1 !important; min-height: 0 !important; }
    .pagefind-ui .pagefind-ui__result-link { color: var(--reso-blue) !important; font-weight: 600 !important; }
    .pagefind-ui .pagefind-ui__result-excerpt { font-size: 0.8125rem !important; color: var(--reso-gray-600) !important; line-height: 1.5 !important; }
    .pagefind-ui .pagefind-ui__result-tags { display: none !important; }
    .pagefind-ui .pagefind-ui__result { border-color: var(--reso-gray-200) !important; padding: 0.75rem 0 !important; }
    .dd-result-version { display: inline-block; font-size: 0.625rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; padding: 0.125rem 0.4375rem; border-radius: 0.1875rem; background: var(--reso-gray-100); color: var(--reso-gray-500); margin-left: 0.5rem; vertical-align: middle; }
    .dd-search-welcome { display: none; text-align: center; padding: 2rem 1rem 3rem; padding-top: 2rem; color: var(--reso-gray-500); font-size: 0.9375rem; flex: 1; align-items: center; justify-content: flex-start; flex-direction: column; }
    .dd-search-welcome.visible { display: flex; }
    .dd-search-welcome-icon { font-size: 2rem; margin-bottom: 0.75rem; opacity: 0.6; }
    .dd-search-welcome p { margin: 0 0 0.5rem; line-height: 1.5; }
    .dd-search-hint { font-size: 0.75rem; opacity: 0.7; }
    .dd-search-hint kbd { display: inline-block; padding: 0.125rem 0.375rem; font-size: 0.6875rem; font-family: inherit; background: var(--reso-gray-200); border: 1px solid var(--reso-gray-300); border-radius: 0.25rem; }
    html.dark .dd-search-welcome { color: #a0aec0; }
    html.dark .dd-search-hint kbd { background: #2d3748; border-color: #4a5568; color: #a0aec0; }
    .dd-search-empty { display: none; text-align: center; padding: 3rem 1rem; color: var(--reso-gray-500); font-size: 0.875rem; }
    .dd-search-empty.visible { display: block; }
    html.dark .dd-search-empty { color: #a0aec0; }
    html.dark .search-modal { background: #1e293b !important; }
    html.dark .pagefind-ui .pagefind-ui__search-input { background: #2d3748 !important; border-color: #4a5568 !important; color: #e2e8f0 !important; }
    html.dark .pagefind-ui .pagefind-ui__search-input::placeholder { color: #718096 !important; }
    html.dark .pagefind-ui .pagefind-ui__search-clear { color: #a0aec0 !important; }
    html.dark .pagefind-ui .pagefind-ui__search-clear:hover { color: #e2e8f0 !important; }
    html.dark .dd-search-meta { border-color: #4a5568; }
    html.dark .pagefind-ui .pagefind-ui__result-link { color: #63b3ed !important; }
    html.dark .pagefind-ui .pagefind-ui__result-excerpt { color: #a0aec0 !important; }
    html.dark .pagefind-ui .pagefind-ui__result { border-color: #4a5568 !important; }
    html.dark .dd-search-filter-pill { background: transparent; border-color: #4a5568; color: #a0aec0; }
    html.dark .dd-search-filter-pill:hover { border-color: #63b3ed; color: #63b3ed; }
    html.dark .dd-search-filter-pill.active { background: var(--reso-blue); border-color: var(--reso-blue); color: white; }
    html.dark .dd-result-version { background: #2d3748; color: #a0aec0; }