:root {
    --ink: #0e0e0e;
    --ivory: #f5f0e8;
    --accent: #c44b2a;
    --accent-dark: #8a3018;
    --gold: #b8a060;
    --muted: #6b6560;
    --rule: #d8d0c0;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--ivory);
    color: var(--ink);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* COVER */
  .cover {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
  }

  .cover-left {
    background: var(--ink);
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
  }

  .cover-left::after {
    content: '';
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--accent);
  }

  .cover-right {
    background: var(--ivory);
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
  }

  .stamp {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent);
    display: inline-block;
    padding: 6px 14px;
    margin-bottom: 40px;
  }

  .book-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(52px, 6vw, 88px);
    font-weight: 900;
    color: var(--ivory);
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
  }

  .book-subtitle {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.8;
    max-width: 320px;
  }

  .author-block {
    margin-top: auto;
  }

  .author-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .author-name {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    color: var(--ivory);
    font-style: italic;
    font-weight: 400;
  }

  .author-bio-short {
    font-family: 'DM Sans', sans-serif;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
    margin-top: 8px;
    max-width: 280px;
  }

  .tagline-block {
    padding-bottom: 20px;
  }

  .tagline-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  .tagline {
    font-family: 'Playfair Display', serif;
    font-size: clamp(24px, 3vw, 38px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--ink);
    max-width: 440px;
  }

  .tagline em {
    color: var(--accent);
    font-style: italic;
  }

  .one-liner {
    font-size: 14px;
    color: var(--muted);
    margin-top: 24px;
    max-width: 380px;
    line-height: 1.6;
    border-left: 2px solid var(--rule);
    padding-left: 16px;
  }

  .isbn-block {
    margin-top: 40px;
  }

  .isbn-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 4px;
  }

  .isbn-num {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    color: var(--ink);
  }

  /* MAIN CONTENT */
  .content {
    max-width: 960px;
    margin: 0 auto;
    padding: 100px 40px;
  }

  .section {
    margin-bottom: 90px;
  }

  .section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--rule);
  }

  .section-num {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent);
    min-width: 32px;
  }

  .section-title {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
  }

  /* PITCH */
  .pitch-lead {
    font-family: 'Playfair Display', serif;
    font-size: clamp(22px, 2.5vw, 32px);
    font-weight: 400;
    font-style: italic;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: 32px;
  }

  .pitch-body {
    font-size: 16px;
    line-height: 1.85;
    color: #2a2520;
    max-width: 720px;
  }

  .pitch-body p + p { margin-top: 20px; }

  .pitch-body strong {
    font-weight: 600;
    color: var(--accent-dark);
  }

  /* THESIS */
  .thesis-box {
    background: var(--ink);
    color: var(--ivory);
    padding: 56px;
    position: relative;
    overflow: hidden;
    margin: 60px 0;
  }

  .thesis-box::before {
    content: '"';
    font-family: 'Playfair Display', serif;
    font-size: 280px;
    color: rgba(255,255,255,0.04);
    position: absolute;
    top: -60px;
    left: 20px;
    line-height: 1;
    pointer-events: none;
  }

  .thesis-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.35em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 24px;
  }

  .thesis-quote {
    font-family: 'Playfair Display', serif;
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 700;
    line-height: 1.4;
    color: var(--ivory);
    position: relative;
    z-index: 1;
  }

  .thesis-quote em {
    color: var(--gold);
    font-style: italic;
  }

  /* STRUCTURE - CHAPTERS */
  .chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
  }

  .chapter-card {
    background: var(--ivory);
    padding: 32px 28px;
    position: relative;
    transition: background 0.2s;
  }

  .chapter-card:hover {
    background: #eee8d8;
  }

  .ch-num {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 10px;
  }

  .ch-title {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--ink);
  }

  .ch-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
  }

  /* KEY CONCEPTS */
  .concepts-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .concept {
    padding: 28px;
    border: 1px solid var(--rule);
    position: relative;
  }

  .concept::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
  }

  .concept-term {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--ink);
  }

  .concept-def {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.65;
  }

  /* FORMULA */
  .formula-section {
    background: #f0ece0;
    border: 1px solid var(--rule);
    padding: 56px;
  }

  .formula-title {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 32px;
  }

  .formula {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }

  .formula-part {
    background: var(--ink);
    color: var(--ivory);
    padding: 12px 22px;
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
  }

  .formula-op {
    font-family: 'DM Mono', monospace;
    font-size: 20px;
    color: var(--accent);
    font-weight: 300;
  }

  .formula-result {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 12px 22px;
  }

  .formula-notes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
  }

  .formula-note {
    border-top: 2px solid var(--ink);
    padding-top: 16px;
  }

  .fn-term {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--ink);
  }

  .fn-desc {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
  }

  /* QUESTIONS */
  .questions-list {
    counter-reset: q;
  }

  .question-item {
    counter-increment: q;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 0;
    margin-bottom: 2px;
  }

  .q-num {
    background: var(--ink);
    color: var(--ivory);
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 100%;
  }

  .q-block {
    background: var(--ivory);
    border: 1px solid var(--rule);
    border-left: none;
    padding: 24px 28px;
  }

  .q-question {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.35;
  }

  .q-answer {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.65;
  }

  .q-answer strong {
    color: var(--accent-dark);
    font-weight: 600;
  }

  /* SOUNDBITES */
  .soundbites {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .soundbite {
    border-left: 3px solid var(--accent);
    padding: 24px 24px 24px 28px;
    background: #f0ece0;
  }

  .soundbite-text {
    font-family: 'Playfair Display', serif;
    font-size: 17px;
    font-style: italic;
    line-height: 1.45;
    color: var(--ink);
    margin-bottom: 12px;
  }

  .soundbite-context {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--muted);
    text-transform: uppercase;
  }

  /* WORLDS */
  .worlds {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .world {
    padding: 48px;
  }

  .world-iatopia {
    background: var(--ink);
    color: var(--ivory);
  }

  .world-disiatopia {
    background: var(--accent);
    color: var(--ivory);
  }

  .world-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0.7;
  }

  .world-name {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1;
  }

  .world-desc {
    font-size: 14px;
    line-height: 1.75;
    opacity: 0.85;
  }

  .world-points {
    list-style: none;
    margin-top: 20px;
  }

  .world-points li {
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.8;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-left: 16px;
    position: relative;
  }

  .world-points li::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0.5;
  }

  /* AUTHOR */
  .author-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .author-credentials {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
  }

  .credential {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
  }

  .cred-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 7px;
  }

  .author-full-name {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 8px;
  }

  .author-tagline {
    font-size: 14px;
    color: var(--accent);
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 28px;
  }

  .author-text {
    font-size: 15px;
    line-height: 1.8;
    color: #2a2520;
  }

  .author-text p + p { margin-top: 16px; }

  .contact-block {
    margin-top: 40px;
    padding: 28px;
    border: 1px solid var(--rule);
    background: #f0ece0;
  }

  .contact-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .contact-item {
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .contact-item span {
    color: var(--muted);
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    display: block;
    margin-bottom: 2px;
  }

  /* FOOTER */
  footer {
    background: var(--ink);
    color: var(--ivory);
    padding: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer-title {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
  }

  .footer-title span {
    display: block;
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 8px;
  }

  .footer-meta {
    text-align: right;
  }

  .footer-meta p {
    font-size: 12px;
    color: var(--muted);
    font-family: 'DM Mono', monospace;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
  }

  /* NAV */
  .nav {
    position: sticky;
    top: 0;
    background: rgba(245,240,232,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rule);
    z-index: 100;
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-brand {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
  }

  .nav-brand span {
    color: var(--accent);
  }

  .nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
  }

  .nav-links a {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--accent); }

  /* DIVIDER */
  .divider {
    height: 1px;
    background: var(--rule);
    margin: 60px 0;
  }

  /* PRINT */
  @media print {
    .nav { display: none; }
    .cover { page-break-after: always; min-height: auto; }
    body { background: white; }
  }

  @media (max-width: 768px) {
    .cover { grid-template-columns: 1fr; }
    .cover-left { min-height: 60vh; }
    .concepts-list, .soundbites, .worlds, .author-full, .formula-notes { grid-template-columns: 1fr; }
    .question-item { grid-template-columns: 40px 1fr; }
    .chapters-grid { grid-template-columns: 1fr; }
    footer { padding: 40px; flex-direction: column; align-items: flex-start; }
    .footer-meta { text-align: left; }
  }

  /* AUTHOR PORTRAIT */
  .author-full {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: start;
  }

  .author-photo-col {
    position: sticky;
    top: 80px;
  }

  .author-portrait-wrap {
    position: relative;
  }

  .author-portrait {
    width: 100%;
    display: block;
    filter: grayscale(100%);
    border: 1px solid var(--rule);
  }

  .author-portrait-caption {
    background: var(--ink);
    color: var(--ivory);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .cap-name {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
  }

  .cap-role {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
  }

  .author-text-col {
    /* inherits from parent */
  }

  @media (max-width: 900px) {
    .author-full { grid-template-columns: 1fr; }
    .author-photo-col { position: static; max-width: 280px; }
  }


  /* COVERS SECTION */
  .covers-section {
    margin-bottom: 90px;
  }

  .covers-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 56px;
    border: 1px solid var(--rule);
  }

  .cover-img-wrap {
    position: relative;
    overflow: hidden;
  }

  .cover-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
  }

  .cover-img-wrap:hover img {
    transform: scale(1.02);
  }

  .cover-img-label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(14,14,14,0.85);
    color: var(--ivory);
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    padding: 10px 16px;
    backdrop-filter: blur(4px);
  }

  .art-essay {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .art-essay-intro {
    font-family: 'Playfair Display', serif;
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 400;
    font-style: italic;
    line-height: 1.45;
    color: var(--ink);
    margin-bottom: 28px;
  }

  .art-essay-body {
    font-size: 15px;
    line-height: 1.85;
    color: #2a2520;
  }

  .art-essay-body p + p {
    margin-top: 18px;
  }

  .art-essay-body strong {
    font-weight: 600;
    color: var(--accent-dark);
  }

  .art-pillars {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .art-pillar {
    background: var(--ink);
    color: var(--ivory);
    padding: 28px 32px;
    position: relative;
    overflow: hidden;
  }

  .art-pillar:nth-child(2) { background: #1e1a16; }
  .art-pillar:nth-child(3) { background: #2a2218; }
  .art-pillar:nth-child(4) { background: var(--accent-dark); }

  .art-pillar-num {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .art-pillar-title {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
  }

  .art-pillar-text {
    font-size: 13px;
    line-height: 1.65;
    opacity: 0.8;
  }

  .art-formula {
    margin-top: 40px;
    background: #f0ece0;
    border: 1px solid var(--rule);
    padding: 32px;
  }

  .art-formula-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  .art-formula-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .art-formula-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .art-formula-word {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
  }

  .art-formula-meaning {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
  }

  .art-closing {
    margin-top: 56px;
    background: var(--ink);
    color: var(--ivory);
    padding: 48px 56px;
    text-align: center;
  }

  .art-closing-text {
    font-family: 'Playfair Display', serif;
    font-size: clamp(18px, 2vw, 24px);
    font-style: italic;
    line-height: 1.5;
    max-width: 600px;
    margin: 0 auto 24px;
  }

  .art-closing-sub {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.25em;
    color: var(--gold);
    text-transform: uppercase;
  }

  @media (max-width: 768px) {
    .covers-display { grid-template-columns: 1fr; }
    .art-essay { grid-template-columns: 1fr; }
  }