  /* ============ Landing page shell ============ */
  .landing-nav {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
    max-width: 1200px; margin: 0 auto; padding: 28px 48px 0;
  }
  .landing-wordmark {
    display: flex; align-items: center; gap: 12px;
    grid-column: 1; justify-self: start;
    font-family: var(--serif); font-weight: 600; font-size: 18px; color: var(--ivory);
    text-decoration: none; letter-spacing: -0.01em;
  }
  .coa-logo-img { height: 52px; width: auto; display: block; }
  .landing-nav-cta {
    display: inline-flex; align-items: center; min-height: 44px; box-sizing: border-box;
    font-family: var(--sans); font-weight: 600; font-size: 13px; color: var(--ivory);
    text-decoration: none; padding: 0 20px; border-radius: 8px; border: 1px solid var(--line);
    grid-column: 3; justify-self: end;
  }
  .landing-nav-cta:hover { border-color: var(--brass); color: var(--brass-bright); }

  /* Signed-in first-name tag next to the Logout button in the shared
     nav (see renderNavAuthCta in auth-shared.js). Grid placement for
     the wrapper that holds this + the CTA button is set inline by
     that same JS, not here, since it has to slot into whichever
     page's existing 3-column nav grid without any HTML changes. */
  .nav-user-tag {
    font-family: var(--sans); font-weight: 600; font-size: 13px; color: var(--slate);
    text-decoration: none; white-space: nowrap;
  }
  .nav-user-tag:hover { color: var(--brass-bright); text-decoration: underline; text-underline-offset: 3px; }

  .nav-user-menu { position: relative; }
  .nav-user-dropdown {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 10px;
    background: var(--ink-900); border: 1px solid var(--line); border-radius: 10px;
    min-width: 180px; padding: 6px; z-index: 50;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .nav-user-dropdown.show { display: block; }
  .nav-user-dropdown-item {
    display: flex; align-items: center; gap: 9px; font-family: var(--sans); font-size: 13.5px;
    color: var(--ivory); text-decoration: none; padding: 9px 12px; border-radius: 7px;
  }
  .nav-user-dropdown-item:hover { background: var(--ink-850); color: var(--brass-bright); }

  .landing-nav-links { display: flex; align-items: center; gap: 32px; grid-column: 2; justify-self: center; }
  .landing-nav-link {
    display: inline-flex; align-items: center; min-height: 44px;
    font-family: var(--sans); font-weight: 500; font-size: 14px; color: var(--slate);
    text-decoration: none;
  }
  .landing-nav-link:hover { color: var(--brass-bright); }
  .landing-nav-link.is-active { color: var(--ivory); }
  .landing-nav-login {
    display: inline-flex; align-items: center; min-height: 44px;
    font-family: var(--sans); font-weight: 500; font-size: 14px; color: var(--slate);
    text-decoration: none;
    grid-column: 3; justify-self: end;
  }
  .landing-nav-login:hover { color: var(--brass-bright); }

  .landing-nav-burger {
    display: none; grid-column: 3; justify-self: end;
    width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--line);
    background: transparent; align-items: center; justify-content: center;
    flex-direction: column; gap: 5px; cursor: pointer;
  }
  .landing-nav-burger span {
    display: block; width: 20px; height: 2px; background: var(--ivory);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .landing-nav-burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .landing-nav-burger.is-active span:nth-child(2) { opacity: 0; }
  .landing-nav-burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .landing-nav-mobile-panel {
    display: none;
    grid-column: 1 / -1;
    flex-direction: column; gap: 4px;
    margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line-soft);
  }
  .landing-nav-mobile-panel.is-open { display: flex; }
  .landing-nav-mobile-links { display: flex; flex-direction: column; gap: 4px; }
  .landing-nav-mobile-panel .landing-nav-link {
    min-height: 48px; font-size: 16px; border-bottom: 1px solid var(--line-soft);
  }
  .landing-nav-mobile-panel .landing-nav-login { display: flex !important; min-height: 48px; font-size: 16px; }
  .landing-nav-mobile-cta { display: inline-flex !important; margin-top: 12px; justify-content: center; width: 100%; }

  .install-banner {
    display: none;
  }
  @media (max-width: 860px) {
    .install-banner.is-visible {
      display: flex; align-items: center; gap: 12px;
      max-width: 1200px; margin: 16px auto 0; padding: 14px 16px;
      background: var(--ink-900); border: 1px solid var(--line); border-radius: 10px;
    }
    .install-banner-icon { flex-shrink: 0; display: flex; align-items: center; }
    .install-banner-copy { flex: 1; min-width: 0; }
    .install-banner-title { font-family: var(--sans); font-weight: 600; font-size: 13.5px; color: var(--ivory); }
    .install-banner-steps { font-family: var(--sans); font-size: 12.5px; color: var(--slate); margin-top: 2px; line-height: 1.4; }
    .install-banner-close {
      flex-shrink: 0; width: 28px; height: 28px; border-radius: 6px; border: none;
      background: transparent; color: var(--slate); font-size: 20px; line-height: 1;
      cursor: pointer;
    }
    .install-banner-close:hover { color: var(--ivory); }
  }

  @media (max-width: 860px) {
    .landing-nav-links, .landing-nav-login, .landing-nav-cta { display: none; }
    .landing-nav-burger { display: flex; }
    .coa-logo-img { height: 34px; }
  }

  .landing-section { max-width: 1200px; margin: 0 auto; padding: 88px 48px; }
  .landing-section.tight { padding-top: 0; }
  .landing-section--wide { max-width: 1400px; }
  .section-block { width: 100%; }
  .section-block--alt { background: var(--ink-900); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
  .section-block--teal { background: var(--teal-dim); }
  .section-block--teal .landing-h2 { color: var(--ivory); }
  .section-block--teal .landing-lede-onteal { color: #C7DAD6; }
  .section-block--brass { background: #2E2416; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

  .split-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .split-panel-media { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--ink-900); }
  .split-panel-media--no-border { border: none; }
  .split-panel-media--boxless { border: none; background: transparent; border-radius: 0; overflow: visible; }
  .split-panel-media svg { display: block; width: 100%; height: auto; }
  .split-panel-media img { display: block; width: 100%; height: auto; }
  .split-panel.reverse .split-panel-media { order: 2; }

  .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
  .step-card { background: var(--ink-950); border-radius: 12px; overflow: hidden; }
  .step-card-media { aspect-ratio: 4/3; background: var(--ink-900); }
  .step-card-media svg { width: 100%; height: 100%; display: block; }
  .step-card-body { padding: 24px; }
  .step-card-num { font-family: var(--mono); font-size: 12px; color: var(--brass-bright); margin-bottom: 8px; }
  .step-card-title { font-family: var(--serif); font-weight: 600; font-size: 19px; color: var(--ivory); margin-bottom: 8px; }
  .step-card-body-text { font-family: var(--sans); font-size: 14px; line-height: 1.6; color: var(--slate); }

  .stat-panel { background: var(--ink-950); border-radius: 16px; padding: 40px; display: grid; gap: 28px; }
  .stat-item { text-align: center; }
  .stat-num { font-family: var(--serif); font-weight: 700; font-size: 40px; color: var(--brass-bright); letter-spacing: -0.01em; }
  .stat-label { font-family: var(--sans); font-size: 13px; color: var(--slate); margin-top: 4px; }

  .style-card { background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
  .style-card-media { aspect-ratio: 16/10; background: var(--ink-850); }
  .style-card-media svg { width: 100%; height: 100%; display: block; }
  .style-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
  .style-card-title { font-family: var(--sans); font-weight: 600; font-size: 16px; color: var(--ivory); margin-bottom: 8px; }
  .style-card-list { font-family: var(--sans); font-size: 13px; line-height: 1.6; color: var(--slate); margin-bottom: 20px; flex: 1; }
  .style-card-cta {
    font-family: var(--sans); font-weight: 600; font-size: 13px; color: var(--ink-950);
    background: var(--brass-bright); text-align: center; padding: 11px; border-radius: 8px; text-decoration: none;
  }
  .style-card-cta:hover { background: var(--ivory); }

  .final-cta-band {
    display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
    background: var(--teal-dim); border: 2px solid var(--ink-950); border-radius: 16px;
    padding: 64px 72px;
  }
  .final-cta-band-title {
    font-family: var(--serif); font-weight: 700; font-size: 42px; line-height: 1.15; letter-spacing: -0.01em;
    color: var(--ivory); margin: 0; max-width: 520px;
  }
  .final-cta-band-btn {
    display: inline-flex; align-items: center; min-height: 56px; box-sizing: border-box;
    font-family: var(--sans); font-weight: 700; font-size: 17px; color: #171006;
    background: var(--brass-bright); padding: 0 40px; border-radius: 10px; text-decoration: none;
    flex-shrink: 0;
  }
  .final-cta-band-btn:hover { opacity: 0.88; }

  .site-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
  .footer-col-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate-dim); margin-bottom: 16px; }
  .footer-col-links { display: flex; flex-direction: column; gap: 12px; }
  .footer-col-links a { font-family: var(--sans); font-size: 14px; color: var(--slate); text-decoration: none; }
  .footer-col-links a:hover { color: var(--brass-bright); }
  .footer-brand-blurb { font-family: var(--sans); font-size: 13.5px; line-height: 1.6; color: var(--slate); max-width: 320px; margin-top: 16px; }
  .footer-bottom { border-top: 1px solid var(--line-soft); margin-top: 48px; padding-top: 24px; font-family: var(--mono); font-size: 11.5px; color: var(--slate-dim); text-align: center; }
  .landing-eyebrow {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--teal-bright); margin-bottom: 16px;
  }
  .landing-h1 {
    font-family: var(--serif); font-weight: 600; font-size: 58px; line-height: 1.08;
    color: var(--ivory); letter-spacing: -0.01em; max-width: 700px;
  }
  .landing-h2 {
    font-family: var(--serif); font-weight: 600; font-size: 30px; line-height: 1.2;
    color: var(--ivory); letter-spacing: -0.01em; margin-bottom: 16px;
  }
  .landing-lede {
    font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--slate);
    max-width: 620px; margin-top: 16px;
  }

  /* ---- Hero ---- */
  .hero-full { position: relative; padding: 120px 48px 96px; text-align: center; overflow: hidden; }
  .hero-bg-art { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
  .hero-full-content { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
  .hero-full-h1 {
    font-family: var(--serif); font-weight: 600; font-size: 52px; line-height: 1.15;
    color: var(--ivory); letter-spacing: -0.01em; max-width: none; margin-top: 16px;
  }
  .hero-highlight { color: var(--brass-bright); }
  .hero-full-lede { font-family: var(--sans); font-size: 17px; line-height: 1.6; color: var(--slate); max-width: 560px; margin: 20px auto 0; }
  .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .hero-cta-row { display: flex; align-items: center; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
  .hero-cta {
    font-family: var(--sans); font-weight: 600; font-size: 15px; color: var(--ink-950);
    background: var(--brass-bright); padding: 16px 24px; border-radius: 8px; text-decoration: none;
    display: inline-block;
  }
  .hero-cta:hover { background: var(--ivory); }
  .hero-cta-note { font-family: var(--mono); font-size: 12px; color: var(--slate-dim); }
  .hero-art { width: 100%; height: auto; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }

  .hero-node-end circle:first-child { animation: hero-ring-pulse 2.8s ease-in-out infinite; transform-origin: 262px 157px; }
  .hero-node-start { animation: hero-dot-fade 2.8s ease-in-out infinite; }
  .hero-path-glow { animation: hero-glow-pulse 2.8s ease-in-out infinite; }
  @keyframes hero-ring-pulse {
    0%, 100% { r: 10; opacity: 0.9; }
    50% { r: 13; opacity: 0.4; }
  }
  @keyframes hero-dot-fade {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
  }
  @keyframes hero-glow-pulse {
    0%, 100% { opacity: 0.25; }
    50% { opacity: 0.55; }
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-node-end circle:first-child, .hero-node-start, .hero-path-glow { animation: none; }
  }

  /* ---- Pain points ---- */
  .pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 40px; }
  .pain-card {
    background: var(--ink-900); border: 1px solid var(--line); border-radius: 10px;
    overflow: hidden; display: flex; align-items: stretch;
  }
  .pain-card-body { padding: 14px 16px; flex: 1; min-width: 0; }
  .pain-image {
    display: block; flex: 0 0 30%; width: 30%; aspect-ratio: 1 / 1; height: auto;
    object-fit: contain; align-self: center;
    background: #191d24; border-right: 1px solid var(--line);
  }
  .pain-title { font-family: var(--sans); font-weight: 600; font-size: 14px; color: var(--ivory); margin-bottom: 4px; }
  .pain-body { font-family: var(--sans); font-size: 12.5px; line-height: 1.5; color: var(--slate); }
  .pain-callout {
    margin-top: 32px; font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--ivory);
    border-left: 2px solid var(--brass); padding-left: 16px; border-radius: 0; max-width: 700px;
  }

  /* ---- Comparison table ---- */
  .compare-card {
    background: var(--ink-900); border: 2px solid var(--brass-bright);
    border-radius: 18px; padding: 8px 32px 24px; margin-top: 32px;
  }
  .compare-table { width: 100%; border-collapse: collapse; margin-top: 32px; }
  .compare-card .compare-table { margin-top: 0; }
  .compare-table th {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--slate); text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line);
  }
  .compare-table th:first-child { width: 26%; }
  .compare-table td {
    font-family: var(--sans); font-size: 14px; line-height: 1.55; color: var(--ivory);
    padding: 16px; border-bottom: 1px solid var(--line-soft); vertical-align: top;
  }
  .compare-table td:first-child { font-weight: 600; color: var(--slate); }
  .compare-table .col-old { color: var(--slate-dim); text-decoration: line-through; text-decoration-color: var(--line); }
  .compare-table .col-new { color: var(--ivory); font-weight: 500; }
  .compare-table tr:last-child td { border-bottom: none; }

  .method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
  .method-step { border-top: 2px solid var(--teal); padding-top: 16px; }
  .method-step-num { font-family: var(--mono); font-size: 12px; color: var(--teal-bright); margin-bottom: 8px; }
  .method-step-title { font-family: var(--sans); font-weight: 600; font-size: 15px; color: var(--ivory); margin-bottom: 8px; }
  .method-step-body { font-family: var(--sans); font-size: 13px; line-height: 1.55; color: var(--slate); }



  /* ---- Curriculum ---- */
  .principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
  .principle-card { background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
  .principle-title { font-family: var(--sans); font-weight: 600; font-size: 16px; color: var(--brass-bright); margin-bottom: 12px; }
  .principle-body { font-family: var(--sans); font-size: 14px; line-height: 1.6; color: var(--slate); }

  .format-list { margin-top: 36px; display: grid; gap: 16px; }
  .format-item { display: flex; gap: 16px; align-items: baseline; }
  .format-marker { font-family: var(--mono); font-size: 12px; color: var(--teal-bright); flex-shrink: 0; width: 20px; }
  .format-text { font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--ivory); }
  .format-text b { color: var(--ivory); }

  .style-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
  .style-group { background: var(--ink-900); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
  .style-group-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal-bright); margin-bottom: 12px; }
  .style-group-list { font-family: var(--sans); font-size: 13px; line-height: 1.9; color: var(--slate); }

  /* ---- Final pitch + FAQ ---- */
  .final-pitch { text-align: center; max-width: 700px; margin: 0 auto; }
  .final-pitch .landing-h2 { font-size: 32px; }
  .final-pitch-sub { font-family: var(--sans); font-size: 15px; color: var(--brass-bright); margin-top: 8px; }

  .faq-item { border-bottom: 1px solid var(--line); padding: 20px 0; }
  .faq-item summary {
    font-family: var(--sans); font-weight: 600; font-size: 16px; color: var(--ivory);
    cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: '+'; font-family: var(--mono); color: var(--brass); font-size: 18px; }
  .faq-item[open] summary::after { content: '\2212'; }
  .faq-answer { font-family: var(--sans); font-size: 14.5px; line-height: 1.65; color: var(--slate); margin-top: 12px; max-width: 640px; }

  .landing-footer {
    max-width: 1200px; margin: 0 auto; padding: 40px 48px 60px; border-top: 1px solid var(--line-soft);
    font-family: var(--mono); font-size: 12px; color: var(--slate-dim);
  }

  @media (max-width: 860px) {
    .landing-nav, .landing-section, .landing-footer { padding-left: 22px; padding-right: 22px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-full { padding: 88px 22px 64px; }
    .hero-full-h1 { font-size: 32px; }
    .landing-h1 { font-size: 38px; }
    .pain-grid { grid-template-columns: 1fr; }
    .method-steps { grid-template-columns: repeat(2, 1fr); }
    .principle-grid { grid-template-columns: 1fr; }
    .style-groups { grid-template-columns: repeat(2, 1fr); }
    .compare-table { display: block; overflow-x: auto; }
    .split-panel { grid-template-columns: 1fr; gap: 32px; }
    .split-panel.reverse .split-panel-media { order: 0; }
    .steps-grid { grid-template-columns: 1fr; }
    .stat-panel { grid-template-columns: 1fr; }
    .final-cta-band { flex-direction: column; align-items: flex-start; text-align: left; padding: 40px 32px; }
    .final-cta-band-title { font-size: 28px; max-width: none; }
    .site-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  }
