:root {
    /* ── The Slip Opinion ── */
    --ivory:       #FCFAF5;  /* page ground */
    --ivory-deep:  #F5F1E8;  /* secondary ground: stripes, table heads */
    --oxblood-wash:#F7F0F1;  /* faint accent ground for callouts */
    --ink:         #1A1815;  /* body text — warm near-black   16.98:1 on ivory */
    --ink-muted:   #5A554C;  /* secondary text                 7.09:1 on ivory */
    --oxblood:     #6E2639;  /* sole accent: links, rules     10.07:1 on ivory */
    --oxblood-deep:#551D2C;  /* hover */
    --brass:       #9A7B33;  /* HAIRLINES + ORNAMENT ONLY — never a fill, never text (3.83:1) */
    --rule:        #DED8CB;  /* warm hairline */
    --rule-soft:   #EAE5DA;

    --display: 'Libre Baskerville', 'Times New Roman', Georgia, serif;
    --body:    'Source Serif 4', Georgia, 'Times New Roman', serif;
    --measure: 68ch;
  }

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

  html { scroll-behavior: smooth; }

  /* ── ACCESSIBILITY ── */
  .visually-hidden {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
  }
  .skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--oxblood);
    color: var(--ivory);
    padding: 0.65rem 1.1rem;
    text-decoration: none;
    font-family: var(--body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    z-index: 1000;
    transition: top 0.15s;
  }
  .skip-link:focus { top: 0.5rem; }

  /* Focus indicators (WCAG 2.4.7) — one treatment; all grounds are light now. */
  *:focus-visible {
    outline: 2px solid var(--oxblood);
    outline-offset: 2px;
    border-radius: 0;
  }

  body {
    font-family: var(--body);
    font-optical-sizing: auto;
    background: var(--ivory);
    color: var(--ink);
    font-size: 17px;
    line-height: 1.72;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  a { color: var(--oxblood); }
  a:hover { color: var(--oxblood-deep); }

  /* ── EARLY-RELEASE BANNER ── */
  .draft-banner {
    background: var(--ivory);
    border-top: 3px solid var(--oxblood);
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    padding: 0.85rem 3rem;
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
  }
  .draft-banner strong {
    display: inline-block;
    font-family: var(--body);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 10.5px;
    color: var(--oxblood);
    border: 1px solid var(--oxblood);
    padding: 2px 8px;
    margin-right: 0.7rem;
    white-space: nowrap;
    vertical-align: 1px;
  }
  .draft-banner span { color: var(--ink-muted); }
  .draft-banner a { color: var(--oxblood); }

  /* ── LAB STRIPE ── */
  .lab-stripe {
    background: var(--ivory-deep);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem 3rem;
  }
  .lab-stripe-link {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-decoration: none;
    color: var(--ink-muted);
  }
  .lab-stripe-text {
    flex: 1;
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.5;
  }
  .lab-stripe-text strong { color: var(--ink); font-weight: 600; }
  .lab-stripe-cta {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--oxblood);
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .lab-stripe-link:hover .lab-stripe-cta { text-decoration: underline; text-underline-offset: 3px; }

  /* ── SEARCH ── */
  .header-search {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--rule);
    color: var(--ink-muted);
    font-family: var(--body);
    font-size: 13.5px;
    font-weight: 400;
    padding: 4px 10px;
    border-radius: 2px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
  }
  .header-search:hover { border-color: var(--oxblood); color: var(--oxblood); }
  .header-search svg { flex-shrink: 0; }
  .header-search kbd {
    font-family: var(--body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink-muted);
  }
  .search-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 24, 21, 0.45);
    z-index: 200;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 10vh 1.5rem 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s;
  }
  .search-overlay.active { opacity: 1; pointer-events: auto; }
  .search-modal {
    background: var(--ivory);
    border: 1px solid var(--ink);
    border-radius: 2px;
    width: 100%;
    max-width: 640px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 80vh;
  }
  .search-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--rule);
  }
  .search-input-wrap svg { color: var(--ink-muted); flex-shrink: 0; }
  .search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0;
    font-family: var(--body);
    font-size: 17px;
    color: var(--ink);
    background: transparent;
  }
  .search-input::placeholder { color: var(--ink-muted); }
  .search-results { overflow-y: auto; max-height: 56vh; }
  .search-empty, .search-no-results {
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--ink-muted);
    font-size: 14px;
  }
  .search-result {
    display: block;
    padding: 0.85rem 1.4rem;
    border-bottom: 1px solid var(--rule-soft);
    text-decoration: none;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.08s;
  }
  .search-result:last-child { border-bottom: none; }
  .search-result:hover, .search-result.focused { background: var(--ivory-deep); }
  .search-result-tab {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 4px;
  }
  .search-result-title {
    font-family: var(--display);
    font-size: 16px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 3px;
  }
  .search-result-snippet {
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.5;
  }
  /* Highlight uses a brass RULE, not a brass fill. */
  .search-result mark {
    background: transparent;
    color: var(--ink);
    font-weight: 600;
    border-bottom: 2px solid var(--brass);
  }
  .search-footer-bar {
    display: flex;
    gap: 1.25rem;
    padding: 0.6rem 1.4rem;
    background: var(--ivory-deep);
    border-top: 1px solid var(--rule);
    font-size: 11.5px;
    color: var(--ink-muted);
  }
  .search-footer-bar kbd {
    border: 1px solid var(--rule);
    padding: 1px 5px;
    font-family: var(--body);
    font-size: 10.5px;
    color: var(--ink);
    margin-right: 5px;
  }

  /* ── HEADER ── */
  .site-header {
    background: var(--ivory);
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    padding: 0 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .site-header .wordmark {
    font-family: var(--display);
    font-size: 17px;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--ink);
    text-decoration: none;
  }
  .site-header .wordmark span { color: var(--brass); margin: 0 9px; }
  .header-badge {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .header-badge a:hover { color: var(--oxblood); }

  /* ── HERO ── */
  .hero {
    background: var(--ivory);
    padding: 4rem 3rem 3rem;
    border-bottom: 1px solid var(--brass);
  }
  .hero-inner { max-width: 1100px; margin: 0 auto; }
  .hero h1 {
    font-family: var(--display);
    font-size: clamp(2rem, 4.2vw, 3rem);
    font-weight: 400;
    line-height: 1.18;
    color: var(--ink);
    margin-bottom: 1rem;
    letter-spacing: -0.005em;
  }
  .hero h1 em { font-style: italic; color: var(--oxblood); }
  .hero-sub {
    font-size: 19px;
    font-weight: 300;
    color: var(--ink-muted);
    max-width: var(--measure);
    line-height: 1.65;
    margin-bottom: 1.6rem;
  }
  .hero-meta {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
    padding-top: 1.1rem;
    border-top: 1px solid var(--rule);
    max-width: var(--measure);
  }

  /* ── NAV TABS ── */
  .tab-nav-wrap {
    background: var(--ivory);
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 60px;
    z-index: 90;
  }
  .tab-nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .tab-nav::-webkit-scrollbar { display: none; }
  .tab-btn {
    font-family: var(--body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--ink-muted);
    padding: 0 1.35rem;
    height: 52px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color 0.18s, border-color 0.18s;
  }
  .tab-btn:first-child { padding-left: 0; }
  .tab-btn:hover { color: var(--ink); }
  .tab-btn.active {
    color: var(--oxblood);
    border-bottom-color: var(--oxblood);
  }
  /* "CORE" marker: letterspaced type, no pill. */
  .tab-btn-featured::after {
    content: "\00B7 Core";
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--oxblood);
    margin-left: 0.45rem;
  }

  /* ── LAYOUT ── */
  .page-body {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 3rem 6rem;
  }
  .js .tab-pane { display: none; }
  .js .tab-pane.active { display: block; }

  /* ── SECTION HEADINGS ── */
  .section-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 0.8rem;
  }
  .section-title {
    font-family: var(--display);
    font-size: 2.05rem;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.25;
    margin-bottom: 0.9rem;
    max-width: var(--measure);
  }
  .section-title em { font-style: italic; color: var(--oxblood); }
  .section-intro {
    font-size: 18px;
    font-weight: 300;
    color: var(--ink-muted);
    max-width: var(--measure);
    line-height: 1.72;
    margin-bottom: 3rem;
  }
  .section-intro strong { color: var(--ink); font-weight: 600; }

  /* ── CARDS: hairline boxes on the ivory ground. Flat. ── */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  .card {
    background: transparent;
    border: 1px solid var(--rule);
    border-radius: 2px;
    padding: 1.6rem 1.75rem;
    transition: border-color 0.2s;
    display: flex;
    flex-direction: column;
  }
  .card:hover { border-color: var(--brass); }
  .card h3 {
    font-family: var(--display);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.6rem;
    line-height: 1.35;
  }
  .card p {
    font-size: 15px;
    color: var(--ink-muted);
    line-height: 1.7;
    flex: 1;
  }
  .card p + p { margin-top: 0.7rem; }
  .card p strong { color: var(--ink); font-weight: 600; }
  .card-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 1rem;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--oxblood);
    text-decoration: none;
  }
  .card-link::after { content: '\2192'; font-size: 13px; transition: transform 0.15s; }
  .card-link:hover::after { transform: translateX(3px); }
  .card-links {
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--rule-soft);
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.25rem;
  }
  .card-links .card-link { margin-top: 0; }

  /* ── TAGS: letterspaced type, no pills, no fills ── */
  .resource-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    display: inline-block;
    padding: 0 0 0.35rem;
    border-bottom: 1px solid var(--brass);
    margin-bottom: 0.9rem;
  }
  .tag-no { color: var(--oxblood); border-bottom-color: var(--oxblood); }

  /* ── PROSE ── */
  .prose-section { max-width: var(--measure); }
  .prose-section h3 {
    font-family: var(--display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.7rem;
    margin-top: 2.4rem;
    line-height: 1.35;
  }
  .prose-section h3:first-child { margin-top: 0; }
  .prose-section p {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.78;
    margin-bottom: 1.1rem;
  }
  .prose-section strong { color: var(--ink); font-weight: 700; }
  .prose-section ul { margin: 0 0 1.4rem 1.3rem; padding: 0; }
  .prose-section ul li {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.78;
    margin-bottom: 0.5rem;
    padding-left: 0.3rem;
  }
  .prose-section ul li::marker { color: var(--brass); }

  /* ── CALLOUT: faint oxblood ground, oxblood rule ── */
  .callout {
    background: var(--oxblood-wash);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--oxblood);
    border-radius: 2px;
    color: var(--ink);
    padding: 2rem 2.25rem;
    margin-bottom: 2.5rem;
    max-width: 860px;
  }
  .callout h3 {
    font-family: var(--display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--oxblood);
    margin-bottom: 0.85rem;
  }
  .callout p {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.75;
  }
  .callout p + p { margin-top: 0.8rem; }
  .callout strong { color: var(--ink); font-weight: 700; }

  /* Gold variant → brass-ruled, ivory-deep ground */
  .callout-gold {
    background: var(--ivory-deep);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--brass);
  }
  .callout-gold h3 { color: var(--ink); }
  .callout-gold p { color: var(--ink); }
  .callout-gold ul { list-style: none; padding: 0; margin: 0.85rem 0 0; }
  .callout-gold ul li {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.75;
    padding: 0.35rem 0 0.35rem 1.35rem;
    position: relative;
  }
  .callout-gold ul li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--oxblood);
  }

  /* ── OBJECTIONS ── */
  .objection {
    background: transparent;
    border-top: 1px solid var(--rule);
    border-left: 3px solid var(--oxblood);
    padding: 1.6rem 0 1.6rem 1.75rem;
    margin-bottom: 2rem;
    max-width: var(--measure);
  }
  .objection h3 {
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 400;
    font-style: italic;
    color: var(--oxblood);
    margin-bottom: 0.9rem;
    line-height: 1.35;
  }
  .objection p {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.78;
    margin-bottom: 1rem;
  }
  .objection p:last-child { margin-bottom: 0; }
  .objection strong { color: var(--ink); font-weight: 700; }

  /* ── TIPS LIST ── */
  .tips-list {
    max-width: var(--measure);
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem;
  }
  .tips-list li {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.78;
    padding: 0.85rem 0 0.85rem 1.6rem;
    position: relative;
    border-bottom: 1px solid var(--rule-soft);
  }
  .tips-list li:last-child { border-bottom: none; }
  .tips-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.55rem;
    width: 8px;
    height: 1px;
    background: var(--brass);
  }
  .tips-list li strong { color: var(--ink); font-weight: 700; }

  /* ── USE-CASE BUCKETS ── */
  .bucket {
    border: 1px solid var(--rule);
    border-radius: 2px;
    background: transparent;
    margin-bottom: 2.5rem;
    overflow: hidden;
  }
  .bucket-head {
    padding: 1.3rem 1.85rem;
    background: var(--ivory-deep);
    border-bottom: 1px solid var(--rule);
  }
  .bucket-head h3 {
    font-family: var(--display);
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 0.3rem;
    color: var(--ink);
  }
  .bucket-head p {
    font-size: 15px;
    line-height: 1.65;
    margin: 0;
    color: var(--ink-muted);
  }
  /* Rank is carried by the top rule: ink → brass → oxblood */
  .bucket-safe { border-top: 3px solid var(--ink); }
  .bucket-care { border-top: 3px solid var(--brass); }
  .bucket-no   { border-top: 3px solid var(--oxblood); }
  .bucket-no .bucket-head h3 { color: var(--oxblood); }

  .bucket-body { padding: 1.75rem 1.85rem; }
  .bucket-body > p { font-size: 16px; line-height: 1.78; color: var(--ink); margin-bottom: 1rem; }
  .bucket-body > p:last-child { margin-bottom: 0; }

  .uc { padding: 1.35rem 0; border-top: 1px solid var(--rule-soft); }
  .uc:first-child { border-top: none; padding-top: 0; }
  .uc h4 {
    font-family: var(--display);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.5rem;
    line-height: 1.45;
  }
  .uc p { font-size: 16px; color: var(--ink-muted); line-height: 1.75; margin: 0; }
  .uc p + p { margin-top: 0.6rem; }
  .uc .why { font-size: 15px; color: var(--ink-muted); }
  .uc .why strong { color: var(--ink); font-weight: 700; }
  .uc-verified {
    display: inline-block;
    font-family: var(--body);
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-left: 0.55rem;
    vertical-align: 2px;
    white-space: nowrap;
  }
  .uc-verified::before { content: '\2014\00A0'; color: var(--brass); }

  /* ── DRAFT / AWAITING-INPUT FLAG ── */
  .draft-flag {
    border: 1px dashed var(--oxblood);
    border-radius: 2px;
    background: var(--oxblood-wash);
    padding: 1.5rem 1.75rem;
    margin: 1.75rem 0;
    max-width: var(--measure);
  }
  .draft-flag.wide { max-width: none; }
  .draft-flag-label {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
    padding: 0 0 0.4rem;
    border-bottom: 1px solid var(--oxblood);
    margin-bottom: 1rem;
  }
  .draft-flag h4 {
    font-family: var(--display);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 0.6rem;
    line-height: 1.4;
  }
  .draft-flag p {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.75;
    margin-bottom: 0.7rem;
  }
  .draft-flag p:last-child { margin-bottom: 0; }
  .draft-flag strong { color: var(--oxblood); font-weight: 700; }

  /* ── PROPOSAL NOTE ── */
  .proposal-note {
    font-size: 15px;
    color: var(--ink-muted);
    font-style: italic;
    background: var(--ivory-deep);
    border-left: 1px solid var(--brass);
    padding: 0.9rem 1.2rem;
    margin: 0 0 2rem;
    line-height: 1.7;
    max-width: 860px;
  }
  .proposal-note strong { font-style: normal; color: var(--ink); font-weight: 700; }

  /* ── DIVIDER ── */
  .divider {
    height: 1px;
    background: var(--rule);
    margin: 3.5rem 0;
  }

  /* ── HERO FEATURE ── */
  .hero-feature {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 3rem;
    background: var(--ivory);
    border-bottom: 1px solid var(--rule);
  }
  .hero-feature-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3.5rem;
    align-items: start;
  }
  .hero-feature-kicker {
    display: inline-block;
    font-family: var(--body);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
    padding: 0 0 0.45rem;
    border-bottom: 1px solid var(--oxblood);
    margin-bottom: 1.4rem;
  }
  .hero-feature h2 {
    font-family: var(--display);
    font-size: clamp(1.6rem, 2.5vw, 2.1rem);
    font-weight: 400;
    line-height: 1.28;
    color: var(--ink);
    margin-bottom: 1rem;
  }
  .hero-feature h2 em { color: var(--oxblood); font-style: italic; }
  .hero-feature-lede {
    font-size: 17px;
    line-height: 1.78;
    color: var(--ink);
    max-width: var(--measure);
  }
  .hero-feature-lede strong { color: var(--ink); font-weight: 700; }
  .hero-feature-ctas { display: flex; flex-direction: column; gap: 0; }
  .hero-feature-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 0;
    background: transparent;
    border: none;
    border-top: 1px solid var(--rule);
    color: var(--ink);
    text-decoration: none;
    font-family: var(--display);
    font-size: 17px;
    font-weight: 400;
    transition: color 0.15s;
  }
  .hero-feature-cta:last-child { border-bottom: 1px solid var(--rule); }
  .hero-feature-cta:hover { color: var(--oxblood); }
  .hero-feature-cta .cta-label {
    display: block;
    font-family: var(--body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 5px;
  }
  .hero-feature-cta .cta-arrow {
    font-size: 18px;
    color: var(--brass);
    flex-shrink: 0;
    transition: transform 0.15s;
  }
  .hero-feature-cta:hover .cta-arrow { transform: translateX(3px); }
  .hero-feature-cta.primary { border-top-color: var(--oxblood); border-top-width: 2px; }

  /* ── OVERVIEW MAP ── */
  .overview-map {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 3rem 2.5rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }
  .overview-col {
    cursor: pointer;
    padding: 0;
    border: none;
    border-top: 1px solid var(--rule);
    background: transparent;
    transition: border-color 0.2s;
  }
  .overview-col:hover { border-top-color: var(--oxblood); }
  .overview-col.featured { border-top: 2px solid var(--brass); }
  .overview-col.active { border-top: 2px solid var(--oxblood); }
  .overview-col h3 {
    font-family: var(--display);
    font-size: 1rem;
    font-weight: 400;
    color: var(--ink);
    margin: 0.9rem 0 0.7rem;
    line-height: 1.3;
  }
  .overview-col.active h3 { color: var(--oxblood); }
  .overview-col ul { list-style: none; padding: 0; }
  .overview-col ul li {
    font-size: 14px;
    color: var(--ink-muted);
    padding: 0.2rem 0;
    line-height: 1.5;
  }
  .overview-col ul li strong { color: var(--ink); font-weight: 600; }

  /* ── PANEL LIST ── */
  .panel-list { list-style: none; padding: 0; margin: 1.2rem 0 0; }
  .panel-list li {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.6;
    padding: 0.45rem 0;
    border-top: 1px solid var(--rule);
  }
  .panel-list li strong { color: var(--ink); font-weight: 700; }
  .panel-list li span { color: var(--ink-muted); }

  /* ── CONTACT FOOTER ── */
  .contact-footer {
    background: transparent;
    border-top: 1px solid var(--brass);
    padding: 2rem 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3.5rem;
  }
  .contact-footer p {
    font-size: 16px;
    color: var(--ink-muted);
    max-width: 560px;
    line-height: 1.7;
  }
  .contact-footer p strong { color: var(--ink); font-weight: 700; }
  .contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    color: var(--oxblood);
    border: 1px solid var(--oxblood);
    border-radius: 2px;
    font-family: var(--body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.18s, color 0.18s;
  }
  .contact-btn:hover { background: var(--oxblood); color: var(--ivory); }

  /* ── SITE FOOTER ── */
  .site-footer {
    background: var(--ivory-deep);
    border-top: 1px solid var(--rule);
    color: var(--ink-muted);
    text-align: center;
    font-size: 13px;
    padding: 2rem 1.5rem;
    line-height: 1.7;
  }
  .site-footer strong { color: var(--ink); font-weight: 600; }
  .site-footer a { color: var(--ink-muted); text-decoration: underline; text-underline-offset: 2px; }
  .site-footer a:hover { color: var(--oxblood); }

  /* ── SUBHEAD (group headings inside a tab) ── */
  .subhead {
    font-family: var(--display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.35;
    margin: 3rem 0 0.7rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--brass);
    max-width: var(--measure);
  }
  .subhead-note {
    font-size: 16px;
    color: var(--ink-muted);
    margin-bottom: 1.75rem;
    max-width: var(--measure);
    line-height: 1.72;
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 1000px) {
    .overview-map { grid-template-columns: repeat(3, 1fr); }
    .hero-feature { padding: 2.5rem 2rem; }
    .hero-feature-grid { grid-template-columns: 1fr; gap: 2rem; }
  }
  @media (max-width: 720px) {
    .overview-map { grid-template-columns: 1fr; padding: 1.5rem; gap: 1.25rem; }
    .card-grid { grid-template-columns: 1fr; }
    .hero { padding: 2.5rem 1.5rem 2rem; }
    .hero-feature { padding: 2rem 1.5rem; }
    .site-header { padding: 0 1.5rem; }
    .tab-nav { padding: 0 1.5rem; }
    .tab-btn:first-child { padding-left: 0; }
    .page-body { padding: 2.5rem 1.5rem 4rem; }
    .contact-footer { flex-direction: column; align-items: flex-start; }
    .lab-stripe { padding: 0.6rem 1.25rem; }
    .lab-stripe-link { gap: 0.9rem; }
    .lab-stripe-text { font-size: 13px; }
    .draft-banner { padding: 0.8rem 1.25rem; text-align: left; }
    .draft-banner strong { margin-bottom: 0.4rem; }
    .bucket-head, .bucket-body { padding-left: 1.25rem; padding-right: 1.25rem; }
    .objection { padding-left: 1.25rem; }
    .header-search .label { display: none; }
    .header-search kbd { display: none; }
    /* The top stripe already carries the Project attribution at this width. */
    .header-badge { display: none; }
    .search-overlay { padding: 5vh 0.75rem 0.75rem; }
    .search-modal { max-height: 90vh; }
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

  /* ── PRINT ──
     This audience prints. Without these rules the tab interface takes the page
     with it: .tab-pane is display:none, so a printed copy carries only whichever
     tab happened to be open — about 960 of 6,500 words — and nothing on the page
     tells the reader the other four sections exist. Print every pane, and give
     each one the heading its tab button was carrying on screen. */
  /* ── ADOPTION FIGURE (How the Profession Is Adapting) ── */
  .adopt-figure { margin: 2rem 0 2.5rem; }
  .adopt-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 2px solid var(--oxblood);
    border-bottom: 1px solid var(--rule);
  }
  .adopt-cell {
    padding: 1.5rem 1.5rem 1.4rem 0;
    border-right: 1px solid var(--rule);
    display: flex;
    flex-direction: column;
  }
  .adopt-cell:last-child { border-right: none; }
  .adopt-cell:not(:first-child) { padding-left: 1.5rem; }
  .adopt-num {
    font-family: var(--display);
    font-size: clamp(2.2rem, 5vw, 3.1rem);
    line-height: 1;
    color: var(--oxblood);
    font-weight: 400;
    font-variant-numeric: lining-nums tabular-nums;
  }
  .adopt-what { margin: 0.7rem 0 auto; font-size: 0.97rem; line-height: 1.45; color: var(--ink); }
  .adopt-src {
    margin: 0.9rem 0 0;
    padding-top: 0.55rem;
    font-size: 0.74rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .adopt-note {
    margin: 1rem 0 0;
    font-size: 0.83rem;
    line-height: 1.55;
    color: var(--ink-muted);
    max-width: 62ch;
  }
  @media (max-width: 720px) {
    .adopt-row { grid-template-columns: 1fr; }
    .adopt-cell { border-right: none; border-bottom: 1px solid var(--rule); padding: 1.2rem 0; }
    .adopt-cell:last-child { border-bottom: none; }
    .adopt-cell:not(:first-child) { padding-left: 0; }
  }

  @media print {
    /* Ink economy: the ivory ground and oxblood display type are screen choices. */
    :root { --ivory: #fff; --ivory-deep: #fff; --oxblood-wash: #fff; }
    html, body { background: #fff !important; color: #000 !important; font-size: 10.5pt; }

    /* Interactive chrome has no meaning on paper. */
    .skip-link,
    .tab-nav-wrap, .tab-nav,
    .header-search, .search-overlay, .search-modal,
    .lab-stripe-cta, .cta-arrow, .hero-feature-cta { display: none !important; }

    /* Sticky positioning has no paginated equivalent — it overlaps content
       instead of following it. Pin the header to the top of page one. */
    .site-header { position: static !important; z-index: auto !important; }

    /* The early-release banner STAYS. A printed copy that does not say it is an
       unreviewed early release is the single most dangerous artifact this site
       could produce. */
    .draft-banner {
      border: 1.5pt solid #000 !important;
      background: #fff !important;
      padding: 8pt 10pt !important;
      page-break-inside: avoid; break-inside: avoid;
    }

    /* Every pane prints, each starting a fresh page under its tab's name. */
    .tab-pane { display: block !important; }
    .tab-pane + .tab-pane { page-break-before: always; break-before: page; }
    .tab-pane::before {
      content: attr(data-print-title);
      display: block;
      font-family: var(--display);
      font-size: 20pt;
      letter-spacing: 0.02em;
      border-bottom: 1pt solid #000;
      padding-bottom: 6pt;
      margin-bottom: 18pt;
    }

    /* The overview map is already a contents page — let it act as one. */
    .overview-map { page-break-after: always; break-after: page; }
    .overview-col { border-color: #000 !important; }

    /* Keep units of argument intact across page breaks. */
    .uc, .card, .callout, .callout-gold, .bucket, .objection, .draft-flag,
    .prose-section, blockquote {
      page-break-inside: avoid; break-inside: avoid;
    }
    h1, h2, h3, h4 { page-break-after: avoid; break-after: avoid; }
    p { orphans: 3; widows: 3; }

    /* A printed link is useless without its destination — but only expand real
       external ones. In-page anchors would just print as noise. */
    .page-body a[href^="http"]::after {
      content: " <" attr(href) ">";
      font-size: 8.5pt;
      word-break: break-all;
    }

    a { color: #000 !important; text-decoration: underline; }
    .site-footer { border-top: 1pt solid #000; font-size: 8.5pt; }

    @page { margin: 0.75in; }
  }
  :root {
    /* ── The Slip Opinion ── */
    --ivory:       #FCFAF5;
    --ivory-deep:  #F5F1E8;
    --ink:         #1A1815;
    --ink-muted:   #5A554C;
    --oxblood:     #6E2639;
    --oxblood-deep:#551D2C;
    --brass:       #9A7B33;
    --rule:        #DED8CB;

    --display: 'Libre Baskerville', 'Times New Roman', Georgia, serif;
    --body:    'Source Serif 4', Georgia, 'Times New Roman', serif;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  /* ── ACCESSIBILITY ── */
  *:focus-visible {
    outline: 2px solid var(--oxblood);
    outline-offset: 2px;
  }
  .skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--oxblood);
    color: var(--ivory);
    padding: 0.65rem 1.1rem;
    text-decoration: none;
    font-family: var(--body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    z-index: 1000;
  }
  .skip-link:focus { top: 1rem; }

  body {
    font-family: var(--body);
    font-optical-sizing: auto;
    background: var(--ivory);
    color: var(--ink);
    font-size: 17px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
  }

  /* ── EARLY-RELEASE BANNER — remove at full launch ── */
  .draft-banner {
    background: var(--ivory);
    border-top: 3px solid var(--oxblood);
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    padding: 0.85rem 3rem;
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
  }
  .draft-banner strong {
    display: inline-block;
    font-family: var(--body);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 10.5px;
    color: var(--oxblood);
    border: 1px solid var(--oxblood);
    padding: 2px 8px;
    margin-right: 0.7rem;
    white-space: nowrap;
    vertical-align: 1px;
  }
  .draft-banner span { color: var(--ink-muted); }
  .draft-banner a { color: var(--oxblood); }

  /* ── LAB STRIPE (matches index.html) ── */
  .lab-stripe {
    background: var(--ivory-deep);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem 3rem;
  }
  .lab-stripe-link {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    text-decoration: none;
    color: var(--ink-muted);
  }
  .lab-stripe-text {
    flex: 1;
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.5;
  }
  .lab-stripe-text strong { color: var(--ink); font-weight: 600; }
  .lab-stripe-cta {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--oxblood);
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .lab-stripe-link:hover .lab-stripe-cta { text-decoration: underline; text-underline-offset: 3px; }

  /* ── HEADER (matches index.html) ── */
  .site-header {
    background: var(--ivory);
    border-bottom: 1px solid var(--rule);
    color: var(--ink);
    padding: 0 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .site-header .wordmark {
    font-family: var(--display);
    font-size: 17px;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--ink);
    text-decoration: none;
  }
  .site-header .wordmark span { color: var(--brass); margin: 0 9px; }
  .header-badge {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }
  .header-badge a:hover { color: var(--oxblood); }

  /* ── PAGE BODY (license-specific) ── */
  .page-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 4rem 3rem 5rem;
  }
  .breadcrumb {
    font-family: var(--body);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--oxblood);
    margin-bottom: 0.9rem;
  }
  .breadcrumb a { color: inherit; text-decoration: none; }
  .breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }
  h1 {
    font-family: var(--display);
    font-size: 2.3rem;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 0.7rem;
  }
  .lead {
    font-size: 18px;
    color: var(--ink-muted);
    line-height: 1.7;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 2.5rem;
  }
  h2 {
    font-family: var(--display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.35;
    margin-top: 2.75rem;
    margin-bottom: 0.7rem;
  }
  p {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.72;
    margin-bottom: 1rem;
  }
  p strong, p a strong { color: var(--ink); font-weight: 600; }
  a {
    color: var(--oxblood);
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  a:hover { color: var(--oxblood-deep); }
  blockquote {
    background: var(--ivory-deep);
    border-left: 3px solid var(--oxblood);
    padding: 1.1rem 1.4rem;
    margin: 1.5rem 0;
    font-family: var(--display);
    font-size: 15px;
    line-height: 1.6;
    color: var(--ink);
  }
  .back-wrap {
    margin-top: 3.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--rule);
  }
  .back-link {
    display: inline-block;
    font-size: 14px;
    color: var(--oxblood);
    text-decoration: none;
  }
  .back-link:hover { text-decoration: underline; text-underline-offset: 3px; }

  /* ── FOOTER ── */
  .site-footer {
    background: var(--ivory-deep);
    border-top: 1px solid var(--rule);
    color: var(--ink-muted);
    text-align: center;
    font-size: 13px;
    padding: 2rem 1.5rem;
    line-height: 1.7;
  }
  .site-footer strong { color: var(--ink); font-weight: 600; }
  .site-footer a { color: var(--ink-muted); text-decoration: underline; text-underline-offset: 2px; }
  .site-footer a:hover { color: var(--oxblood); }

  /* ── RESPONSIVE ── */
  @media (max-width: 720px) {
    .site-header { padding: 0 1.5rem; }
    .page-body { padding: 2.75rem 1.5rem 4rem; }
    h1 { font-size: 1.9rem; }
    .lab-stripe { padding: 0.6rem 1.25rem; }
    .lab-stripe-link { gap: 0.75rem; }
    .lab-stripe-text { font-size: 13px; }
    .draft-banner { padding: 0.8rem 1.25rem; text-align: left; }
    .draft-banner strong { margin-bottom: 0.4rem; }
    /* The top stripe already carries the Project attribution at this width. */
    .header-badge { display: none; }
  }
/* Expanded field-guide components */
.assessment { margin: 2.5rem 0; border-top: 3px solid var(--oxblood); border-bottom: 1px solid var(--brass); padding: 1.5rem 0; }
.assessment-head { display: flex; justify-content: space-between; gap: 1.5rem; align-items: end; }
.assessment-head button { border: 1px solid var(--oxblood); background: transparent; color: var(--oxblood); padding: .65rem .9rem; font: 600 .85rem "Source Serif 4", serif; cursor: pointer; }
.assessment-head button:hover, .assessment-head button:focus-visible { background: var(--oxblood); color: #fff; }
.assessment-list { margin: 1.25rem 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.assessment-list li { padding: .85rem 0; border-bottom: 1px solid var(--rule); }
.assessment-list label { display: grid; grid-template-columns: 1.2rem 1fr; gap: .65rem; align-items: start; }
.assessment-list input { width: 1.05rem; height: 1.05rem; margin-top: .2rem; accent-color: var(--oxblood); }
.source-library > article { padding: 1.25rem 0; border-top: 1px solid var(--brass); max-width: 52rem; }
.source-library > article h3 { margin: 0 0 .45rem; font-size: 1.05rem; }
.source-library > article p { margin: .35rem 0; }
.source-library > article a { color: var(--oxblood); font-weight: 600; }
.source-library > article:last-of-type { border-bottom: 1px solid var(--brass); }

@media (max-width: 700px) {
  .assessment-head { display: block; }
  .assessment-head button { margin-top: 1rem; }
}

@media print {
  body.print-assessment * { visibility: hidden !important; }
  body.print-assessment #chambers-assessment,
  body.print-assessment #chambers-assessment * { visibility: visible !important; }
  body.print-assessment #chambers-assessment { position: absolute; inset: 0; margin: 0; }
  body.print-assessment [data-print-assessment] { display: none !important; }
}