:root {
    /* Same tokens as the hub for consistency, plus extended palette for editorial moments */
    --ink: #0E1A2B;
    --ink-deep: #07111E;
    --ink-soft: #1A2940;
    --ink-mute: #4A5870;
    --ink-faint: #8090A8;
    --paper: #F7F8FA;
    --paper-warm: #F2EFE7;
    --paper-deep: #ECE7DA;
    --paper-cream: #F4EFE0;
    --gold: #8B6F3D;
    --gold-deep: #6F582E;
    --gold-soft: #B8995F;
    --gold-faint: #D4BC8A;
    --gold-pale: #E8DBB8;
    --pos: #2E6F5E;
    --neg: #8B3A3A;
    --rule: #D4CFC4;
    --rule-soft: #E5E1D6;
    --rule-faint: #EFEBE0;

    --font-serif: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter Tight', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
    --font-display: 'Fraunces', Georgia, serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 70px; }
  body {
    font-family: var(--font-sans);
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

  ::selection { background: var(--gold); color: var(--paper); }

  /* ========== NAV ========== */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 40px;
    background: rgba(247,248,250,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 0.5px solid transparent;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav.scrolled {
    border-bottom-color: rgba(212,207,196,0.6);
    background: rgba(247,248,250,0.94);
  }
  .nav-brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 19px;
    color: var(--ink);
    letter-spacing: -0.01em;
    text-decoration: none;
  }
  .nav-brand em { font-style: italic; color: var(--gold-deep); }
  .nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
  }
  .nav-link {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-mute);
    text-decoration: none;
    transition: color 0.15s;
  }
  .nav-link:hover { color: var(--ink); }
  .nav-cta {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--paper);
    background: var(--ink);
    padding: 10px 18px;
    border-radius: 2px;
    text-decoration: none;
    transition: all 0.15s;
    font-weight: 600;
  }
  .nav-cta:hover { background: var(--gold); }

  /* ========== HERO ========== */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 40px 80px;
    position: relative;
    background: var(--paper);
  }
  .hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
  }
  .hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 38px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
  }
  .hero-eyebrow::before, .hero-eyebrow::after {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--gold);
  }
  .hero h1 {
    font-family: var(--font-display);
    font-size: clamp(48px, 8.5vw, 124px);
    line-height: 0.96;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.028em;
    margin-bottom: 36px;
    max-width: 1100px;
    font-variation-settings: 'opsz' 144;
  }
  .hero h1 em {
    font-style: italic;
    color: var(--gold-deep);
    font-weight: 500;
  }
  .hero-sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(20px, 2.4vw, 30px);
    line-height: 1.35;
    color: var(--ink-soft);
    max-width: 780px;
    margin-bottom: 48px;
    font-weight: 400;
  }
  .hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
  }
  .btn-primary {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: var(--ink);
    color: var(--paper);
    padding: 18px 28px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    border: 1px solid var(--ink);
  }
  .btn-primary:hover { background: var(--gold); border-color: var(--gold); }
  .btn-primary::after {
    content: "→";
    font-family: var(--font-display);
    font-size: 16px;
    line-height: 1;
  }
  .btn-ghost {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: transparent;
    color: var(--ink);
    padding: 17px 28px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.15s;
    border: 1px solid var(--ink);
  }
  .btn-ghost:hover { background: var(--ink); color: var(--paper); }

  .hero-meta {
    margin-top: 64px;
    padding-top: 28px;
    border-top: 0.5px solid var(--rule);
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
  }
  .hero-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .hero-meta-label {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--ink-faint);
    font-weight: 500;
  }
  .hero-meta-value {
    font-family: var(--font-display);
    font-size: 17px;
    color: var(--ink);
    font-weight: 500;
  }


  /* ========== HERO PRODUCT (book mockup) ========== */
  .hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    gap: 72px;
    align-items: center;
  }
  .hero-text { min-width: 0; }
  .hero-product {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
  }
  .hero-product::before {
    content: "";
    position: absolute;
    inset: 8% -4% 8% 4%;
    background: radial-gradient(ellipse at center, rgba(139,111,61,0.10) 0%, rgba(139,111,61,0) 65%);
    z-index: 0;
    pointer-events: none;
  }
  .hero-product-img {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 460px;
    height: auto;
    display: block;
    filter: drop-shadow(0 30px 60px rgba(14,26,43,0.22)) drop-shadow(0 8px 16px rgba(14,26,43,0.10));
    transform: rotate(-1.2deg);
    transition: transform 0.4s ease, filter 0.4s ease;
  }
  .hero-product:hover .hero-product-img {
    transform: rotate(0deg) translateY(-4px);
    filter: drop-shadow(0 36px 72px rgba(14,26,43,0.28)) drop-shadow(0 10px 20px rgba(14,26,43,0.12));
  }
  .hero-product-tag {
    position: absolute;
    bottom: 4%;
    right: 0%;
    z-index: 2;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 8px 14px;
    border-left: 2px solid var(--gold);
  }

  /* ========== SYSTEM CARD PRODUCT IMAGES ========== */
  .system-card-product {
    position: relative;
    height: 320px;
    margin: -36px -32px 26px;
    background: linear-gradient(180deg, var(--paper-cream) 0%, var(--paper-warm) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--rule);
  }
  .system-card-product::before {
    content: "";
    position: absolute;
    inset: 30% 0 0 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(14,26,43,0.10) 0%, rgba(14,26,43,0) 70%);
    z-index: 0;
  }
  .system-card-img {
    position: relative;
    z-index: 1;
    max-height: 94%;
    max-width: 82%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 18px 32px rgba(14,26,43,0.18)) drop-shadow(0 4px 8px rgba(14,26,43,0.08));
    transform: translateY(8px);
    transition: transform 0.3s ease;
  }
  .system-card:hover .system-card-img {
    transform: translateY(4px);
  }

  /* ========== AUTHOR PORTRAIT (editorial card) ========== */
  .author-portrait {
    position: relative;
    width: 100%;
    max-width: 340px;
    aspect-ratio: 4 / 5;
    background: var(--paper);
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: 0 18px 36px -12px rgba(14, 26, 43, 0.16), 0 2px 6px rgba(14, 26, 43, 0.04);
  }
  .author-portrait::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gold);
    z-index: 2;
  }
  .author-portrait-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 18%;
  }

  /* ========== THESIS BAND ========== */
  .thesis {
    background: var(--ink);
    color: var(--paper);
    padding: 140px 40px;
    position: relative;
  }
  .thesis-inner {
    max-width: 1100px;
    margin: 0 auto;
  }
  .thesis-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--gold-soft);
    font-weight: 600;
    margin-bottom: 38px;
  }
  .thesis-text {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(28px, 3.6vw, 52px);
    line-height: 1.18;
    color: var(--paper);
    font-weight: 400;
    letter-spacing: -0.014em;
    max-width: 1000px;
  }
  .thesis-text em {
    font-style: italic;
    color: var(--gold-faint);
    font-weight: 500;
  }
  .thesis-attr {
    margin-top: 42px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-soft);
    font-weight: 500;
  }

  /* ========== FAILURE MODE — vignettes ========== */
  .failure {
    padding: 140px 40px;
    background: var(--paper);
  }
  .failure-inner {
    max-width: 1200px;
    margin: 0 auto;
  }
  .section-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 28px;
  }
  .section-h2 {
    font-family: var(--font-display);
    font-size: clamp(38px, 5.2vw, 72px);
    line-height: 1.02;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.022em;
    margin-bottom: 28px;
    max-width: 1100px;
  }
  .section-h2 em { font-style: italic; color: var(--gold-deep); }
  .section-lede {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(19px, 1.9vw, 24px);
    line-height: 1.45;
    color: var(--ink-soft);
    max-width: 780px;
    margin-bottom: 80px;
    font-weight: 400;
  }

  .vignettes {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--rule);
    border-left: 1px solid var(--rule);
  }
  .vignette {
    padding: 36px 28px 40px;
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    background: var(--paper);
    transition: background 0.2s;
  }
  .vignette:hover { background: var(--paper-warm); }
  .vignette-num {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 17px;
    color: var(--gold);
    margin-bottom: 18px;
    font-weight: 500;
  }
  .vignette-actor {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 12px;
  }
  .vignette-text {
    font-family: var(--font-serif);
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink-soft);
  }
  .vignette-text strong {
    color: var(--ink);
    font-weight: 600;
    font-style: italic;
  }

  /* ========== METHODOLOGY — F.R.A.M.E. ========== */
  .methodology {
    padding: 140px 40px 60px;
    background: var(--paper-cream);
  }
  .methodology-inner {
    max-width: 1200px;
    margin: 0 auto;
  }
  .letter-block {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 80px;
    padding: 100px 0;
    border-top: 1px solid var(--rule);
    align-items: start;
  }
  .letter-block:last-of-type {
    border-bottom: 1px solid var(--rule);
  }
  .letter-mark {
    position: sticky;
    top: 100px;
  }
  .letter-big {
    font-family: var(--font-display);
    font-size: clamp(140px, 18vw, 280px);
    line-height: 0.82;
    font-weight: 400;
    color: var(--gold);
    letter-spacing: -0.04em;
    font-variation-settings: 'opsz' 144;
    font-style: italic;
  }
  .letter-name {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-top: 18px;
  }
  .letter-content h3 {
    font-family: var(--font-display);
    font-size: clamp(30px, 3.4vw, 48px);
    line-height: 1.06;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.018em;
    margin-bottom: 24px;
  }
  .letter-content h3 em { font-style: italic; color: var(--gold-deep); }
  .letter-content p {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.65;
    color: var(--ink-soft);
    margin-bottom: 18px;
    max-width: 640px;
  }
  .letter-example {
    margin-top: 32px;
    padding: 24px 28px;
    background: var(--paper);
    border-left: 2px solid var(--gold);
    max-width: 680px;
  }
  .letter-example-label {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 10px;
  }
  .letter-example-text {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 17px;
    line-height: 1.55;
    color: var(--ink-soft);
  }
  .letter-example-text strong {
    color: var(--ink);
    font-style: italic;
    font-weight: 600;
  }

  /* The intro to methodology */
  .methodology-intro {
    margin-bottom: 0;
    padding-bottom: 40px;
  }

  /* ========== DOCTRINE WALL ========== */
  .doctrine {
    background: var(--ink-deep);
    color: var(--paper);
    padding: 160px 40px;
    position: relative;
  }
  .doctrine-inner {
    max-width: 1200px;
    margin: 0 auto;
  }
  .doctrine-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--gold-soft);
    font-weight: 600;
    margin-bottom: 60px;
    text-align: center;
  }
  .doctrine-lines {
    display: grid;
    gap: 60px;
  }
  .doctrine-line {
    text-align: center;
    padding-bottom: 60px;
    border-bottom: 0.5px solid rgba(212,188,138,0.18);
  }
  .doctrine-line:last-child { border-bottom: none; padding-bottom: 0; }
  .doctrine-line-text {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(28px, 4.2vw, 56px);
    line-height: 1.18;
    font-weight: 400;
    color: var(--paper);
    letter-spacing: -0.014em;
    max-width: 1100px;
    margin: 0 auto;
  }
  .doctrine-line-text em {
    color: var(--gold-faint);
    font-style: italic;
    font-weight: 500;
  }
  .doctrine-line-source {
    margin-top: 22px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-soft);
    font-weight: 500;
  }


  /* ========== AUDIENCE STRIP ========== */
  .audience {
    background: var(--paper);
    padding: 26px 40px 32px;
    border-top: 0.5px solid var(--rule);
    border-bottom: 0.5px solid var(--rule);
  }
  .audience-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
  }
  .audience-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ink-faint);
    font-weight: 600;
    margin-right: 22px;
  }
  .audience-list {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 500;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0;
  }
  .audience-list span {
    padding: 0 14px;
    border-right: 1px solid var(--gold-faint);
    white-space: nowrap;
  }
  .audience-list span:last-child { border-right: none; }
  .audience-list span:first-child { padding-left: 0; }

  /* ========== AUDIOBOOK NOTE ========== */
  .audiobook-note {
    margin-top: 28px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--ink-faint);
    font-weight: 500;
  }
  .audiobook-note::before, .audiobook-note::after {
    content: "·";
    margin: 0 12px;
    color: var(--gold);
  }

  /* ========== THE SYSTEM — three documents ========== */
  .system {
    padding: 140px 40px;
    background: var(--paper);
  }
  .system-inner {
    max-width: 1200px;
    margin: 0 auto;
  }
  .system-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
    margin-top: 60px;
  }
  .system-card {
    background: var(--paper-warm);
    padding: 40px 36px 44px;
    border-top: 3px solid var(--gold);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s;
  }
  .system-card:hover {
    transform: translateY(-3px);
  }
  .system-card-num {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 18px;
    color: var(--gold);
    margin-bottom: 6px;
    font-weight: 500;
  }
  .system-card-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 18px;
  }
  .system-card-title {
    font-family: var(--font-display);
    font-size: 30px;
    line-height: 1.08;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: -0.012em;
  }
  .system-card-body {
    font-family: var(--font-serif);
    font-size: 15px;
    line-height: 1.6;
    color: var(--ink-soft);
    flex: 1;
  }
  .system-card-meta {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 0.5px solid var(--rule);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-mute);
    font-weight: 500;
  }

  .system-hub {
    margin-top: 60px;
    background: var(--ink);
    color: var(--paper);
    padding: 64px 56px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: center;
  }
  .system-hub-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--gold-soft);
    font-weight: 600;
    margin-bottom: 18px;
  }
  .system-hub-title {
    font-family: var(--font-display);
    font-size: 38px;
    line-height: 1.08;
    font-weight: 500;
    color: var(--paper);
    margin-bottom: 16px;
    letter-spacing: -0.014em;
  }
  .system-hub-title em { font-style: italic; color: var(--gold-faint); }
  .system-hub-body {
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 1.55;
    color: rgba(247,248,250,0.78);
    max-width: 580px;
  }
  .system-hub-cta-wrap {
    display: flex;
    justify-content: flex-end;
  }
  .system-hub-cta {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: var(--gold);
    color: var(--paper);
    padding: 18px 28px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    border: 1px solid var(--gold);
  }
  .system-hub-cta:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
  .system-hub-cta::after { content: "→"; font-family: var(--font-display); font-size: 16px; }

  /* ========== AUTHOR ========== */
  .author {
    padding: 140px 40px;
    background: var(--paper-cream);
  }
  .author-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.85fr 1.65fr;
    gap: 72px;
    align-items: start;
  }
  .author-name {
    font-family: var(--font-display);
    font-size: 48px;
    line-height: 1.05;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.018em;
    margin-bottom: 8px;
  }
  .author-role {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-deep);
    font-weight: 600;
    margin-bottom: 24px;
  }
  .author-affiliations {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 17px;
    color: var(--ink-soft);
    line-height: 1.4;
    border-top: 0.5px solid var(--rule);
    padding-top: 20px;
  }
  .author-bio p {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.7;
    color: var(--ink-soft);
    margin-bottom: 20px;
  }
  .author-bio p:first-child {
    font-size: 22px;
    line-height: 1.5;
    color: var(--ink);
    font-style: italic;
    font-family: var(--font-display);
    margin-bottom: 28px;
  }
  .author-quote {
    margin-top: 32px;
    padding: 24px 28px;
    background: var(--paper);
    border-left: 2px solid var(--gold);
  }
  .author-quote-text {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 19px;
    line-height: 1.4;
    color: var(--ink);
  }
  .author-quote-attr {
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gold-deep);
    font-weight: 600;
  }

  /* ========== FINAL CTA ========== */
  .cta {
    background: var(--ink);
    color: var(--paper);
    padding: 160px 40px;
    text-align: center;
  }
  .cta-inner {
    max-width: 900px;
    margin: 0 auto;
  }
  .cta-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--gold-soft);
    font-weight: 600;
    margin-bottom: 40px;
  }
  .cta-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 88px);
    line-height: 1.0;
    font-weight: 500;
    color: var(--paper);
    letter-spacing: -0.024em;
    margin-bottom: 32px;
  }
  .cta-title em { font-style: italic; color: var(--gold-faint); }
  .cta-sub {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(19px, 2vw, 24px);
    line-height: 1.4;
    color: rgba(247,248,250,0.78);
    max-width: 640px;
    margin: 0 auto 56px;
    font-weight: 400;
  }
  .cta-btn {
    font-family: var(--font-mono);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    background: var(--gold);
    color: var(--paper);
    padding: 22px 36px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.18s;
    display: inline-flex;
    align-items: center;
    gap: 18px;
    border: 1px solid var(--gold);
  }
  .cta-btn:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
  .cta-btn::after { content: "→"; font-family: var(--font-display); font-size: 18px; }
  .cta-note {
    margin-top: 30px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--ink-faint);
  }

  /* ========== CTA SECONDARY (Contact) ========== */
  .cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }
  .cta-btn-ghost {
    font-family: var(--font-mono);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    background: transparent;
    color: var(--paper);
    padding: 21px 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.18s;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(247,248,250,0.32);
    cursor: pointer;
    font: inherit;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
  }
  .cta-btn-ghost:hover { border-color: var(--gold); color: var(--gold-faint); }

  /* ========== CONTACT FORM ========== */
  .contact-form-wrap {
    max-width: 560px;
    margin: 56px auto 0;
    text-align: left;
    display: none;
    border-top: 0.5px solid rgba(139,111,61,0.25);
    padding-top: 48px;
  }
  .contact-form-wrap.open { display: block; animation: cfFade 0.4s ease both; }
  @keyframes cfFade {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .cf-eyebrow {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.26em;
    color: var(--gold-soft);
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
  }
  .cf-title {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 26px;
    line-height: 1.2;
    color: var(--paper);
    text-align: center;
    margin-bottom: 36px;
    font-weight: 500;
  }
  .cf-title em { color: var(--gold-faint); }
  .cf-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
  }
  .cf-label {
    font-family: var(--font-mono);
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: rgba(247,248,250,0.62);
    font-weight: 600;
  }
  .cf-input, .cf-textarea, .cf-select {
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(247,248,250,0.22);
    color: var(--paper);
    font-family: var(--font-sans);
    font-size: 16px;
    padding: 10px 0 8px;
    outline: none;
    transition: border-color 0.18s ease;
    width: 100%;
    box-sizing: border-box;
  }
  .cf-textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 17px;
    line-height: 1.5;
  }
  .cf-input:focus, .cf-textarea:focus, .cf-select:focus { border-color: var(--gold); }
  .cf-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1l5 5 5-5' stroke='%238B6F3D' stroke-width='1.5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 4px center;
    padding-right: 24px;
    cursor: pointer;
  }
  .cf-select option { background: var(--ink); color: var(--paper); }
  .cf-honey { position: absolute; left: -9999px; visibility: hidden; }

  .cf-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
  }
  .cf-submit {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    background: var(--gold);
    color: var(--paper);
    padding: 16px 28px;
    border: 1px solid var(--gold);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.18s;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    line-height: 1;
  }
  .cf-submit:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
  .cf-submit::after { content: "→"; font-family: var(--font-display); font-size: 16px; }
  .cf-submit:disabled { opacity: 0.5; cursor: not-allowed; }
  .cf-cancel {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(247,248,250,0.55);
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 8px 4px;
    font-weight: 500;
  }
  .cf-cancel:hover { color: var(--gold); }

  .cf-status {
    margin-top: 18px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold-soft);
    font-weight: 600;
    min-height: 14px;
    text-align: center;
  }
  .cf-status.error { color: #d98a78; }
  .cf-success {
    display: none;
    text-align: center;
    padding: 28px 20px;
  }
  .cf-success.open { display: block; }
  .cf-success-mark {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--gold-faint);
    margin-bottom: 18px;
    line-height: 1;
  }
  .cf-success-title {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 22px;
    color: var(--paper);
    margin-bottom: 10px;
    line-height: 1.3;
  }
  .cf-success-body {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 16px;
    color: rgba(247,248,250,0.65);
    line-height: 1.5;
    max-width: 380px;
    margin: 0 auto;
  }

  @media (max-width: 640px) {
    .contact-form-wrap { padding-top: 36px; margin-top: 40px; }
    .cf-title { font-size: 22px; margin-bottom: 28px; }
    .cf-actions { flex-direction: column; align-items: stretch; gap: 12px; }
    .cf-submit { justify-content: center; }
    .cf-cancel { text-align: center; }
  }

  /* ========== FOOTER ========== */
  .footer {
    background: var(--ink-deep);
    color: rgba(247,248,250,0.5);
    padding: 60px 40px 40px;
    border-top: 0.5px solid rgba(139,111,61,0.2);
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 24px;
  }
  .footer-brand {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--paper);
    font-weight: 500;
  }
  .footer-brand em { font-style: italic; color: var(--gold-faint); }
  .footer-meta {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: rgba(247,248,250,0.4);
  }
  .footer-meta strong { color: var(--gold-soft); font-weight: 600; }

  /* ========== MOBILE ========== */
  @media (max-width: 980px) {
    .nav { padding: 14px 20px; }
    .nav-links { gap: 16px; }
    .nav-link:not(.nav-link-cta-wrap) { display: none; }

    .hero { padding: 100px 24px 60px; min-height: auto; }
    .hero-meta { gap: 28px; }
    .hero-layout { grid-template-columns: 1fr; gap: 48px; }
    .hero-product { order: 2; padding: 0; }
    .hero-product-img { max-width: 320px; transform: rotate(-1deg); }
    .hero-product::before { inset: 5% -2% 5% 2%; }
    .system-card-product { height: 260px; margin: -28px -28px 22px; }
    .system-card { padding: 28px 28px 32px; }
    .author-portrait { max-width: 300px; margin-bottom: 24px; }

    .thesis { padding: 80px 24px; }
    .failure { padding: 80px 24px; }
    .methodology { padding: 80px 24px 40px; }
    .doctrine { padding: 80px 24px; }
    .system { padding: 80px 24px; }
    .author { padding: 80px 24px; }
    .cta { padding: 90px 24px; }
    .footer { padding: 40px 24px 28px; }

    .vignettes { grid-template-columns: 1fr; }
    .vignette { border-right: none; }
    .vignette:last-child { border-bottom: 1px solid var(--rule); }

    .letter-block {
      grid-template-columns: 1fr;
      gap: 24px;
      padding: 60px 0;
    }
    .letter-mark { position: static; }
    .letter-big { font-size: 88px; line-height: 0.86; }
    .letter-content h3 { font-size: 28px; }
    .letter-content p { font-size: 16px; }

    .doctrine-lines { gap: 40px; }
    .doctrine-line { padding-bottom: 40px; }

    .system-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 36px; }
    .system-hub {
      grid-template-columns: 1fr;
      padding: 36px 28px;
      gap: 24px;
    }
    .system-hub-cta-wrap { justify-content: flex-start; }

    .author-inner { grid-template-columns: 1fr; gap: 32px; }
    .author-name { font-size: 36px; }

    .footer-inner { flex-direction: column; align-items: flex-start; }
  }

  /* ========== AUDIO PLAYER (glass, compact) ========== */
  .sc-player {
    position: fixed;
    bottom: 18px;
    left: 18px;
    z-index: 90;
    font-family: var(--font-mono);
    color: var(--paper);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
  }
  .sc-player.hidden { transform: translateY(140%); opacity: 0; pointer-events: none; }
  .sc-player iframe { display: none; }

  /* Collapsed pill */
  .sc-pill {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(14, 26, 43, 0.42);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    backdrop-filter: blur(14px) saturate(140%);
    padding: 7px 13px 7px 9px;
    cursor: pointer;
    border: 0.5px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    user-select: none;
  }
  .sc-pill:hover {
    background: rgba(14, 26, 43, 0.62);
    border-color: rgba(212, 188, 138, 0.4);
    transform: translateY(-1px);
  }
  .sc-pill-icon {
    width: 18px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
  }
  .sc-pill-icon svg { width: 9px; height: 9px; }
  .sc-pill-label {
    display: flex; align-items: baseline; gap: 8px;
  }
  .sc-pill-label-eyebrow {
    font-size: 8px; letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--gold); font-weight: 600;
  }
  .sc-pill-label-title {
    font-family: var(--font-display);
    font-size: 11px; letter-spacing: -0.005em;
    color: var(--paper); font-style: italic; font-weight: 400;
    text-transform: none;
  }

  /* Expanded panel */
  .sc-panel {
    display: none;
    width: 280px;
    background: rgba(14, 26, 43, 0.48);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    backdrop-filter: blur(16px) saturate(140%);
    border: 0.5px solid rgba(255, 255, 255, 0.22);
    border-radius: 6px;
    overflow: hidden;
  }
  .sc-panel-top {
    position: relative;
    padding: 10px 12px 9px;
    border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
  }
  .sc-panel-eyebrow {
    font-size: 7.5px; letter-spacing: 0.26em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; margin-bottom: 3px;
  }
  .sc-panel-title {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 13px;
    color: var(--paper);
    line-height: 1.2;
    margin-bottom: 1px;
  }
  .sc-panel-artist {
    font-size: 8.5px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(247, 248, 250, 0.55);
    font-weight: 500;
  }
  .sc-panel-min {
    position: absolute;
    top: 7px; right: 7px;
    width: 18px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    background: transparent;
    border: 0;
    color: rgba(247, 248, 250, 0.5);
    cursor: pointer;
    padding: 0;
    transition: color 0.15s ease;
  }
  .sc-panel-min:hover { color: var(--gold); }
  .sc-panel-min svg { width: 8px; height: 8px; }

  .sc-panel-controls {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 12px 11px;
  }
  .sc-btn {
    background: transparent;
    border: 0.5px solid rgba(255, 255, 255, 0.2);
    color: var(--paper);
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    padding: 0;
    border-radius: 999px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
  }
  .sc-btn:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
  .sc-btn svg { width: 9px; height: 9px; }
  .sc-btn-play { width: 32px; height: 32px; }
  .sc-btn-play svg { width: 10px; height: 10px; }

  .sc-progress-wrap {
    flex: 1;
    display: flex; flex-direction: column; gap: 4px;
    min-width: 0;
  }
  .sc-progress {
    position: relative;
    height: 2px;
    background: rgba(255, 255, 255, 0.14);
    cursor: pointer;
    border-radius: 2px;
  }
  .sc-progress-fill {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 0%;
    background: var(--gold);
    transition: width 0.15s linear;
    border-radius: 2px;
  }
  .sc-times {
    display: flex; justify-content: space-between;
    font-size: 8px;
    letter-spacing: 0.16em;
    color: rgba(247, 248, 250, 0.5);
    font-variant-numeric: tabular-nums;
  }

  .sc-player.expanded .sc-pill { display: none; }
  .sc-player.expanded .sc-panel { display: block; }

  @media (max-width: 980px) {
    .sc-player { bottom: 12px; left: 12px; right: auto; }
    .sc-panel { width: 260px; }
    .sc-pill-label-title { font-size: 10.5px; }
  }