:root {
  --paper: #f4efe5;
  --paper-deep: #e9e0d1;
  --paper-light: #fbf8f1;
  --ink: #24231f;
  --ink-soft: #5f5a50;
  --ink-faint: #81796d;
  --line: rgba(36, 35, 31, .16);
  --line-strong: rgba(36, 35, 31, .3);
  --accent: #8c582f;
  --accent-dark: #613a20;
  --accent-soft: #efe0cf;
  --green: #304c41;
  --green-soft: #e2e9e3;
  --danger: #8b3831;
  --danger-soft: #f2dfdb;
  --white: #fff;
  --shadow: 0 20px 60px rgba(48, 38, 28, .1);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --reading: 820px;
  --wide: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  z-index: -1;
}

a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
::selection { background: #d8bd9c; }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: fixed;
  left: 18px;
  top: -70px;
  z-index: 1000;
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper-light);
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 18px; }

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 999;
  background: transparent;
}
.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width .08s linear;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 12px max(24px, calc((100vw - var(--wide)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(244, 239, 229, .92);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  min-width: max-content;
}
.brand > span:last-child { display: grid; gap: 1px; }
.brand strong { font-family: var(--serif); font-size: 22px; letter-spacing: .11em; line-height: 1; }
.brand small { color: var(--ink-faint); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
}
.brand-mark::before { width: 1px; height: 44px; left: 16px; top: -6px; }
.brand-mark::after { width: 44px; height: 1px; left: -6px; top: 16px; }
.brand-mark i {
  position: absolute;
  width: 8px;
  height: 8px;
  left: 12px;
  top: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--paper);
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--ink); background: rgba(255,255,255,.42); }
.main-nav .nav-cta {
  margin-left: 6px;
  padding-inline: 16px;
  color: var(--paper-light);
  background: var(--green);
}
.main-nav .nav-cta:hover { color: var(--white); background: #233b32; }
.menu-toggle { display: none; }

.hero {
  width: min(var(--wide), calc(100% - 48px));
  min-height: calc(100vh - 80px);
  margin: 0 auto;
  padding: 88px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr);
  gap: clamp(44px, 7vw, 100px);
  align-items: center;
}
.kicker,
.part-label,
.aside-label,
.case-label,
.book-index {
  margin: 0 0 18px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 820px;
  margin: 0 0 28px;
  font-family: var(--serif);
  font-size: clamp(48px, 6.8vw, 92px);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.045em;
}
.hero h1 em { color: var(--accent); font-weight: 500; }
.hero-lead {
  max-width: 740px;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.5;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 18px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 19px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s, background .16s, border-color .16s, color .16s;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--ink); color: var(--paper-light); }
.button-primary:hover { background: #090909; }
.button-secondary { border-color: var(--line-strong); background: rgba(255,255,255,.3); color: var(--ink); }
.button-secondary:hover { background: var(--paper-light); }
.button-quiet { border-color: var(--line); background: transparent; color: var(--ink-soft); }
.button-large { min-height: 56px; padding: 16px 24px; font-size: 14px; }
.hero-note {
  max-width: 700px;
  margin: 0;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.6;
}
.hero-note strong { color: var(--ink-soft); }
.hero-aside {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(251, 248, 241, .7);
  box-shadow: var(--shadow);
}
.loop-map { list-style: none; margin: 0; padding: 0; }
.loop-map li {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 15px;
  padding: 0 0 23px;
}
.loop-map li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.loop-map li > span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper-light);
  background: var(--green);
  font-size: 11px;
  font-weight: 700;
}
.loop-map b { display: block; margin-bottom: 3px; font-family: var(--serif); font-size: 18px; font-weight: 600; }
.loop-map small { color: var(--ink-faint); font-size: 12px; }
.loop-question { padding-top: 23px; border-top: 1px solid var(--line); }
.loop-question span { display: block; margin-bottom: 8px; color: var(--accent); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; }
.loop-question b { font-family: var(--serif); font-size: 22px; line-height: 1.25; }

.safety-line {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 26px;
  align-items: start;
  padding: 24px max(24px, calc((100vw - var(--reading)) / 2));
  color: #f6ebe4;
  background: #63322d;
}
.safety-line strong { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.safety-line p { margin: 0; font-family: var(--serif); font-size: 17px; line-height: 1.55; }

.book-intro,
.chapter {
  width: min(var(--reading), calc(100% - 48px));
  margin: 0 auto;
}
.book-intro { padding: 110px 0 100px; }
.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 52px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.book-intro > h2,
.chapter-head h2,
.final-message h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.07;
  letter-spacing: -.025em;
}
.book-intro > h2 { font-size: clamp(42px, 6vw, 70px); }
.standfirst {
  margin: 22px 0 40px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.42;
}
.prose { font-family: var(--serif); font-size: 19px; line-height: 1.76; }
.prose p { margin: 0 0 1.35em; }
.prose strong { font-weight: 650; }
.prose h3 {
  margin: 2.2em 0 .72em;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.015em;
}
.dropcap > p:first-child::first-letter {
  float: left;
  margin: .08em .12em 0 0;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 4.4em;
  font-weight: 600;
  line-height: .76;
}
.big-question {
  margin: 50px 0;
  padding: 34px 0 34px 34px;
  border-left: 4px solid var(--accent);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 39px);
  line-height: 1.26;
}
.big-question em { color: var(--accent-dark); }
.toc {
  margin-top: 70px;
  padding: 34px 0 0;
  border-top: 1px solid var(--line-strong);
}
.toc-title { margin: 0 0 18px; font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.toc ol { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 44px; }
.toc li { break-inside: avoid; border-top: 1px solid var(--line); }
.toc a { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 13px 0; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; line-height: 1.35; text-decoration: none; }
.toc a:hover { color: var(--accent-dark); }
.toc a span { color: var(--accent); font-family: var(--sans); font-size: 10px; font-weight: 700; letter-spacing: .08em; }

.chapter {
  position: relative;
  padding: 112px 0 104px;
  border-top: 1px solid var(--line-strong);
}
.chapter-head { position: relative; margin-bottom: 48px; }
.chapter-head .part-label { margin-bottom: 24px; }
.chapter-number {
  position: absolute;
  top: -14px;
  right: calc(100% + 38px);
  color: rgba(140, 88, 47, .35);
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 600;
  line-height: 1;
}
.chapter-head h2 { font-size: clamp(38px, 5vw, 58px); }
.margin-note,
.chapter-summary {
  margin: 48px 0;
  padding: 26px 30px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(251,248,241,.62);
}
.margin-note b,
.chapter-summary span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.margin-note p,
.chapter-summary p { margin: 0; font-family: var(--serif); font-size: 18px; line-height: 1.55; }
.chapter-summary { margin-top: 70px; border-color: var(--accent); background: var(--accent-soft); }

.chapter-check { width: min(980px, calc(100% - 48px)); }
.chapter-check .chapter-head,
.chapter-check > .prose,
.chapter-check > .chapter-summary { width: min(var(--reading), 100%); margin-left: auto; margin-right: auto; }
.self-check {
  margin: 46px 0;
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--paper-light);
  box-shadow: var(--shadow);
}
.self-check fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.self-check legend {
  width: 100%;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}
.self-check label {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 17px 12px;
  border-top: 1px solid var(--line);
  cursor: pointer;
  transition: background .15s;
}
.self-check label:last-of-type { border-bottom: 1px solid var(--line); }
.self-check label:hover { background: rgba(140,88,47,.05); }
.self-check label:has(input:checked) { background: var(--accent-soft); }
.self-check input[type="checkbox"] {
  appearance: auto;
  -webkit-appearance: checkbox;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin: 2px 0 0;
  accent-color: var(--accent-dark);
  cursor: pointer;
}
.self-check label span { color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.5; }
.self-check label b { color: var(--ink); }
.check-result {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 26px;
  align-items: center;
  margin: 28px 0 16px;
  padding: 24px;
  border-radius: 13px;
  background: var(--green-soft);
}
.check-score { text-align: center; }
.check-score strong { display: block; color: var(--green); font-family: var(--serif); font-size: 58px; line-height: .9; }
.check-score span { color: var(--ink-faint); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.check-result b { display: block; margin-bottom: 5px; font-family: var(--serif); font-size: 22px; }
.check-result p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; line-height: 1.55; }

.comparison,
.method-map {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 48px 0;
}
.comparison section,
.method-map section {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(251,248,241,.55);
}
.comparison section:nth-child(2),
.method-map section:nth-child(2) { border-color: rgba(48,76,65,.42); background: var(--green-soft); }
.comparison span,
.method-map span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.comparison h3 { margin: 0 0 15px; font-family: var(--serif); font-size: 24px; line-height: 1.2; }
.comparison p { margin: 0 0 12px; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; line-height: 1.55; }

.formula-list { margin: 48px 0; counter-reset: formula; }
.formula-list section {
  display: grid;
  grid-template-columns: minmax(220px, .8fr) minmax(0, 1.8fr);
  gap: 34px;
  padding: 38px 0;
  border-top: 1px solid var(--line-strong);
}
.formula-list section:last-child { border-bottom: 1px solid var(--line-strong); }
.formula-list h3 { margin: 0; font-family: var(--serif); font-size: 27px; line-height: 1.18; }
.formula-list h3 span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .12em;
}
.formula-list p { margin: 0 0 13px; color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.6; }
.formula-list p:last-child { margin-bottom: 0; }
.formula-list p b { color: var(--ink); }

.closed-loop,
.cost-ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 48px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}
.closed-loop div,
.cost-ledger div { padding: 24px; background: var(--paper-light); }
.closed-loop b,
.cost-ledger b { display: block; margin-bottom: 7px; font-family: var(--serif); font-size: 20px; }
.closed-loop span,
.cost-ledger span { color: var(--accent-dark); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.cost-ledger p { margin: 9px 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: 16px; }

.paradox-strip {
  display: grid;
  grid-template-columns: 1fr 42px 1fr;
  gap: 18px;
  align-items: center;
  margin: 48px 0;
  padding: 30px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--paper-light);
}
.paradox-strip div { text-align: center; }
.paradox-strip span { display: block; margin-bottom: 8px; color: #c9bda9; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.paradox-strip b { font-family: var(--serif); font-size: 23px; line-height: 1.25; }
.paradox-strip i { color: #d9aa6c; font-size: 28px; font-style: normal; text-align: center; }

.case-story {
  margin: 42px 0;
  padding: 30px 0 30px 30px;
  border-left: 3px solid var(--accent);
}
.case-story h3 { margin: 0 0 16px; font-family: var(--serif); font-size: 30px; }
.case-story p:not(.case-label) { margin: 0 0 14px; color: var(--ink-soft); font-family: var(--serif); font-size: 18px; line-height: 1.65; }
.case-story p:last-child { margin-bottom: 0; }
.danger-story { border-left-color: var(--danger); background: linear-gradient(90deg, var(--danger-soft), transparent 85%); padding-right: 22px; }
.danger-story .case-label { color: var(--danger); }
.red-flags { list-style: none; margin: 32px 0 50px; padding: 0; border-top: 1px solid var(--line-strong); }
.red-flags li { display: grid; grid-template-columns: 180px 1fr; gap: 22px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.red-flags b { color: var(--danger); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.red-flags span { color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.55; }

.keep-list { margin: 44px 0 54px; }
.keep-list section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.keep-list section:last-child { border-bottom: 1px solid var(--line); }
.keep-list span { color: var(--green); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.keep-list h3 { margin: 5px 0 8px; font-family: var(--serif); font-size: 27px; }
.keep-list p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.6; }

.exit-steps { list-style: none; margin: 46px 0; padding: 0; }
.exit-steps li {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 22px;
  padding: 27px 0;
  border-top: 1px solid var(--line);
}
.exit-steps li:last-child { border-bottom: 1px solid var(--line); }
.exit-steps > li > span { color: var(--accent); font-family: var(--serif); font-size: 28px; line-height: 1; }
.exit-steps h3 { margin: 0 0 9px; font-family: var(--serif); font-size: 27px; }
.exit-steps p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.62; }
.mid-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  margin: 64px 0;
  padding: 30px;
  border-radius: 16px;
  background: var(--green);
  color: var(--paper-light);
}
.mid-cta span { color: #cbd9d1; font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.mid-cta h3 { margin: 7px 0 0; font-family: var(--serif); font-size: 25px; font-weight: 500; line-height: 1.25; }
.mid-cta .button { background: var(--paper-light); color: var(--green); }

.method-chapter { width: min(900px, calc(100% - 48px)); }
.method-chapter > .chapter-head,
.method-chapter > .prose,
.method-chapter > .chapter-summary { width: min(var(--reading), 100%); margin-left: auto; margin-right: auto; }
.method-map ol { margin: 0; padding-left: 20px; color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.55; }
.method-map li { padding: 5px 0; }
.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 50px 0;
}
.audit-grid section { padding: 24px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper-light); }
.audit-grid span { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.audit-grid h3 { margin: 7px 0 8px; font-family: var(--serif); font-size: 22px; }
.audit-grid p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 15px; line-height: 1.55; }

.books-chapter { width: min(980px, calc(100% - 48px)); }
.books-chapter > .chapter-head,
.books-chapter > .prose,
.books-chapter > .chapter-summary { width: min(var(--reading), 100%); margin-left: auto; margin-right: auto; }
.book-offers { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 50px 0; }
.book-offers section { display: flex; flex-direction: column; min-height: 100%; padding: 34px; border: 1px solid var(--line); border-radius: 17px; background: var(--paper-light); box-shadow: 0 12px 40px rgba(48,38,28,.07); }
.book-offers section:nth-child(2) { background: var(--green-soft); }
.book-offers h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 35px; line-height: 1.08; }
.book-subtitle { margin: 0 0 22px; color: var(--accent-dark); font-family: var(--serif); font-size: 18px; font-style: italic; }
.book-offers section > p:not(.book-index):not(.book-subtitle) { color: var(--ink-soft); font-family: var(--serif); font-size: 17px; line-height: 1.6; }
.book-offers ul { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin: auto 0 0; padding: 22px 0 0; }
.book-offers li { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.books-cta {
  margin: 60px 0;
  padding: clamp(32px, 6vw, 58px);
  border-radius: 22px;
  background: var(--ink);
  color: var(--paper-light);
  text-align: center;
}
.books-cta .kicker { color: #d5af7b; }
.books-cta h3 { max-width: 700px; margin: 0 auto 16px; font-family: var(--serif); font-size: clamp(30px, 4vw, 45px); font-weight: 500; line-height: 1.16; }
.books-cta > p:not(.kicker) { max-width: 680px; margin: 0 auto; color: #c8c0b4; font-family: var(--serif); font-size: 17px; line-height: 1.55; }
.books-cta .hero-actions { justify-content: center; }
.books-cta .button-primary { background: #f7f1e6; color: var(--ink); }
.books-cta .button-secondary { border-color: rgba(255,255,255,.28); color: #fff; background: transparent; }
.books-cta small { display: block; color: #9f978c; font-size: 11px; }

.faq-list { margin: 40px 0 70px; border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 22px 48px 22px 0;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.25;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 18px;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 28px;
  font-weight: 400;
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list details div { padding: 0 58px 22px 0; }
.faq-list details p { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 18px; line-height: 1.65; }
.final-message {
  margin: 70px 0 0;
  padding: clamp(36px, 6vw, 68px);
  border-radius: 22px;
  background: var(--accent-soft);
  text-align: center;
}
.final-message h2 { font-size: clamp(36px, 5.8vw, 58px); }
.final-message > p:not(.kicker) { max-width: 680px; margin: 22px auto 0; color: var(--ink-soft); font-family: var(--serif); font-size: 19px; line-height: 1.6; }
.final-message .hero-actions { justify-content: center; }

.site-footer {
  width: min(var(--wide), calc(100% - 48px));
  margin: 0 auto;
  padding: 58px 0 96px;
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 20px 70px;
  align-items: start;
}
.footer-brand { grid-row: span 2; }
.site-footer > p { margin: 0; color: var(--ink-faint); font-family: var(--serif); font-size: 14px; line-height: 1.6; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-footer nav a { color: var(--ink-soft); font-size: 12px; font-weight: 600; text-decoration: none; }
.site-footer nav a:hover { color: var(--accent-dark); }
.site-footer > small { grid-column: 2; color: var(--ink-faint); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.mobile-book-cta { display: none; }
.toc a.is-active { color: var(--accent-dark); font-weight: 600; }
body.menu-open { overflow: hidden; }
.check-result[data-tone="medium"] { background: var(--accent-soft); }
.check-result[data-tone="medium"] .check-score strong { color: var(--accent-dark); }
.check-result[data-tone="high"] { background: var(--danger-soft); }
.check-result[data-tone="high"] .check-score strong { color: var(--danger); }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 32px; }
.error-card { width: min(620px, 100%); padding: 48px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper-light); box-shadow: var(--shadow); text-align: center; }
.error-code { display: block; color: var(--accent); font-family: var(--serif); font-size: 90px; line-height: 1; }
.error-card h1 { margin: 18px 0 12px; font-family: var(--serif); font-size: clamp(36px, 7vw, 58px); line-height: 1.05; }
.error-card p { margin: 0 auto 28px; color: var(--ink-soft); font-family: var(--serif); font-size: 19px; line-height: 1.6; }


@media (max-width: 1120px) {
  .main-nav a:not(.nav-cta) { display: none; }
  .chapter-number { position: static; display: block; margin-bottom: 12px; font-size: 38px; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 76px; }
  .site-header { min-height: 66px; padding: 10px 18px; }
  .brand small { display: none; }
  .main-nav {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    padding: 12px 18px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper-light);
    box-shadow: 0 18px 40px rgba(30,25,20,.14);
  }
  .main-nav.is-open { display: grid; }
  .main-nav a:not(.nav-cta) { display: block; }
  .main-nav .nav-cta { margin: 6px 0 0; text-align: center; }
  .menu-toggle {
    display: grid;
    gap: 4px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: transparent;
  }
  .menu-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); transition: .18s; }
  .hero { min-height: auto; padding: 64px 0 58px; grid-template-columns: 1fr; }
  .hero-aside { max-width: 620px; }
  .safety-line { grid-template-columns: 1fr; gap: 9px; }
  .toc ol { columns: 1; }
  .formula-list section { grid-template-columns: 1fr; gap: 18px; }
  .mid-cta { grid-template-columns: 1fr; }
  .book-offers { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; padding-bottom: 110px; }
  .footer-brand { grid-row: auto; }
  .site-footer > small { grid-column: auto; }
  body { padding-bottom: 74px; }
  .mobile-book-cta {
    display: block;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 10px;
    z-index: 80;
    padding: 4px;
    border-radius: 12px;
    background: rgba(244,239,229,.88);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 35px rgba(30,25,20,.2);
    opacity: 0;
    transform: translateY(130%);
    pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .mobile-book-cta.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .mobile-book-cta a { display: block; padding: 14px 18px; border-radius: 9px; color: var(--paper-light); background: var(--green); font-size: 13px; font-weight: 700; text-align: center; text-decoration: none; }
}

@media (max-width: 620px) {
  :root { --reading: 100%; }
  .site-header .nav-cta { display: none; }
  .hero,
  .book-intro,
  .chapter,
  .site-footer { width: min(100% - 32px, 100%); }
  .hero { gap: 36px; }
  .hero h1 { font-size: 46px; }
  .hero-lead { font-size: 19px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-aside { padding: 22px; }
  .safety-line { padding-inline: 16px; }
  .book-intro { padding: 76px 0 68px; }
  .book-intro > h2 { font-size: 43px; }
  .chapter { padding: 78px 0 72px; }
  .chapter-head h2 { font-size: 39px; }
  .standfirst { font-size: 21px; }
  .prose { font-size: 18px; line-height: 1.7; }
  .prose h3 { font-size: 27px; }
  .big-question { margin: 38px 0; padding-left: 22px; font-size: 27px; }
  .comparison,
  .method-map,
  .audit-grid,
  .closed-loop,
  .cost-ledger { grid-template-columns: 1fr; }
  .paradox-strip { grid-template-columns: 1fr; }
  .paradox-strip i { transform: rotate(90deg); }
  .self-check { padding: 16px; border-radius: 13px; }
  .self-check label { padding: 15px 4px; gap: 12px; }
  .self-check label span { font-size: 16px; }
  .self-check input[type="checkbox"] { width: 25px; height: 25px; }
  .check-result { grid-template-columns: 74px 1fr; gap: 16px; padding: 18px; }
  .check-score strong { font-size: 48px; }
  .red-flags li { grid-template-columns: 1fr; gap: 5px; }
  .exit-steps li { grid-template-columns: 44px 1fr; gap: 12px; }
  .exit-steps > li > span { font-size: 21px; }
  .book-offers section { padding: 25px; }
  .book-offers h3 { font-size: 31px; }
  .books-cta { padding: 34px 20px; }
  .faq-list summary { font-size: 20px; }
  .final-message { padding: 38px 20px; }
  .final-message h2 { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* Editorial precision pass — 2026-08-20 */
.hero h1,.book-intro>h2,.chapter-head h2,.final-message h2,.books-cta h3{text-wrap:balance}
.reader-contract{margin:40px 0;padding:28px 30px;border:1px solid rgba(140,88,47,.34);border-radius:16px;background:linear-gradient(135deg,rgba(239,224,207,.78),rgba(251,248,241,.68));font-family:var(--sans)}
.reader-contract-title{margin:0 0 16px!important;color:var(--accent-dark);font-family:var(--sans)!important;font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.reader-contract ul{margin:0;padding-left:22px;color:var(--ink)}.reader-contract li{margin:9px 0;padding-left:3px;font-family:var(--serif);font-size:17px;line-height:1.55}.reader-contract-foot{margin:20px 0 0!important;padding-top:18px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:15px!important;line-height:1.55!important}
.core-terms{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:42px 0 48px;font-family:var(--sans)}.core-terms section{padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(251,248,241,.72)}.core-terms span{color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.12em}.core-terms h3{margin:8px 0;font-family:var(--serif);font-size:24px;line-height:1.1}.core-terms p{margin:0!important;color:var(--ink-soft);font-family:var(--serif);font-size:15px;line-height:1.5}.core-terms section:last-child{border-color:rgba(48,76,65,.35);background:var(--green-soft)}
.observer-chain{display:grid;gap:0;margin:42px 0;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:var(--paper-light)}.observer-chain div{position:relative;display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:center;padding:17px 22px;border-bottom:1px solid var(--line)}.observer-chain div:last-child{border-bottom:0}.observer-chain div:not(:last-child)::after{content:'↓';position:absolute;left:25px;bottom:-13px;z-index:1;color:var(--accent);font-size:14px}.observer-chain span{color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.1em}.observer-chain b{font-family:var(--serif);font-size:18px;font-weight:600}
.plain-punch{margin:38px 0 46px;padding:27px 30px;border-radius:15px;background:var(--ink);color:var(--paper-light)}.plain-punch span{display:block;margin-bottom:8px;color:#d9aa6c;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.plain-punch p{margin:0;font-family:var(--serif);font-size:22px;line-height:1.45}
.next-chapter{display:grid;grid-template-columns:80px 1fr auto;gap:16px;align-items:center;margin:18px 0 0;padding:19px 22px;border:1px solid var(--line);border-radius:13px;color:var(--ink);background:rgba(251,248,241,.58);text-decoration:none;transition:transform .16s,border-color .16s,background .16s}.next-chapter:hover{transform:translateY(-1px);border-color:var(--accent);background:var(--paper-light)}.next-chapter span{color:var(--accent-dark);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.next-chapter b{font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.35}.next-chapter i{color:var(--accent);font-family:var(--serif);font-size:25px;font-style:normal}
.self-check legend{padding:12px 14px;border-radius:9px;background:var(--accent-soft);color:var(--ink)}.self-check label{border-radius:8px}.self-check label:focus-within{outline:2px solid var(--accent);outline-offset:2px}.self-check input[type=checkbox]{filter:drop-shadow(0 1px 0 rgba(0,0,0,.12))}
@media(max-width:860px){.core-terms{grid-template-columns:1fr}.next-chapter{grid-template-columns:66px 1fr auto}}
@media(max-width:620px){.reader-contract{margin:32px 0;padding:22px 20px}.reader-contract li{font-size:16px}.core-terms{margin:34px 0 40px}.core-terms section{padding:19px}.observer-chain div{grid-template-columns:42px 1fr;padding:15px 16px}.observer-chain div:not(:last-child)::after{left:18px}.observer-chain b{font-size:16px}.plain-punch{padding:23px 21px}.plain-punch p{font-size:19px}.next-chapter{grid-template-columns:1fr auto;gap:8px 14px;padding:17px 18px}.next-chapter span{grid-column:1/-1}.next-chapter b{font-size:16px}.hero h1{font-size:clamp(42px,12.5vw,51px);line-height:1.01}}


/* Precision editorial pass: clearer hierarchy without changing the book architecture. */
.safety-line { grid-template-columns: 150px minmax(0,1fr) auto; align-items: center; }
.safety-line p b { color: #fff8f2; }
.safety-line a {
  align-self: center;
  color: #fff8f2;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  white-space: nowrap;
}
.key-thesis {
  margin: 34px 0 30px;
  padding: 22px 26px;
  border-left: 4px solid var(--accent);
  background: rgba(239,224,207,.52);
}
.key-thesis p { margin: 0; }
.logic-bridge {
  margin: -14px 0 42px !important;
  color: var(--ink-soft);
  font-size: 17px;
}
#red-flags { scroll-margin-top: 110px; }
.chapter-head h2 { max-width: 20ch; }
.chapter-head .standfirst { max-width: 720px; }
@media (max-width: 760px) {
  .safety-line { grid-template-columns: 1fr; gap: 9px; }
  .safety-line a { white-space: normal; }
  .key-thesis { padding: 20px; }
  .logic-bridge { margin-top: -8px !important; }
}

.reading-contract{
  max-width:820px;
  margin:34px auto 38px;
  padding:22px 26px 22px 28px;
  border-left:3px solid var(--accent);
  background:color-mix(in srgb,var(--accent-soft) 74%,transparent);
}
.reading-contract span{
  display:block;
  margin-bottom:7px;
  font:700 .72rem/1.2 var(--sans);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-dark);
}
.reading-contract p{margin:0;font-size:1.08rem;line-height:1.62;color:var(--text)}
@media (max-width:640px){
  .reading-contract{margin:26px 0 30px;padding:18px 18px 18px 20px}
  .reading-contract p{font-size:1rem;line-height:1.58}
}


/* EDITORIAL ATTENTION PASS 2026-08-20 */
:where(p, li) { text-wrap: pretty; }
:where(h1, h2, h3) { text-wrap: balance; }
:where(section[id]) { scroll-margin-top: 5.5rem; }

.attention-thread {
  max-width: 52rem;
  margin: 1.75rem auto 1.4rem;
  padding: 1.2rem 1.25rem 1.15rem;
  border: 1px solid color-mix(in srgb, var(--accent, #a67845) 36%, transparent);
  border-left-width: .3rem;
  border-radius: .8rem;
  background: color-mix(in srgb, var(--surface, #fffaf0) 88%, var(--accent, #a67845) 12%);
  box-shadow: 0 .65rem 2rem rgba(50, 35, 20, .07);
}
.attention-thread__title {
  margin: 0 0 .45rem;
  font: 750 .78rem/1.2 system-ui, sans-serif;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-strong, #744b25);
}
.attention-thread > p { margin-block: .45rem; }
.attention-thread__chain {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .55rem;
  margin: 1rem 0;
  padding: 0;
  counter-reset: thread;
  list-style: none;
}
.attention-thread__chain li {
  position: relative;
  min-height: 5rem;
  padding: 1.75rem .7rem .65rem;
  border-radius: .65rem;
  background: color-mix(in srgb, var(--surface, white) 92%, transparent);
  border: 1px solid color-mix(in srgb, currentColor 10%, transparent);
  font-size: .92rem;
  line-height: 1.35;
}
.attention-thread__chain li::before {
  counter-increment: thread;
  content: counter(thread);
  position: absolute;
  top: .5rem; left: .65rem;
  width: 1.15rem; height: 1.15rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent, #a67845);
  color: #fff;
  font: 700 .7rem/1 system-ui, sans-serif;
}
.attention-thread__bottom { font-weight: 650; }

.chapter-question {
  max-width: 48rem;
  margin: .55rem 0 1.45rem;
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.45;
  color: var(--text-strong, currentColor);
  font-weight: 620;
}
.chapter-takeaway {
  margin: 1.7rem 0 .5rem;
  padding: .9rem 1rem;
  border-left: .24rem solid var(--accent, #a67845);
  background: color-mix(in srgb, var(--surface-alt, #f7efe3) 86%, transparent);
  border-radius: 0 .55rem .55rem 0;
  font-weight: 620;
}
.reader-doubts__title { margin-bottom: .5rem; font-weight: 700; }
.reader-doubts {
  margin: .5rem 0 1.4rem;
  padding-left: 1.35rem;
}
.reader-doubts li { margin: .42rem 0; }
.safety-clarification {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.05rem;
  border-radius: .7rem;
  border: 1px solid color-mix(in srgb, #a4473b 34%, transparent);
  background: color-mix(in srgb, #fff4ef 86%, transparent);
  line-height: 1.55;
}
.check-instruction {
  max-width: 49rem;
  margin: .7rem 0 1.35rem;
  padding: .9rem 1rem;
  border-radius: .65rem;
  background: color-mix(in srgb, var(--surface-alt, #f7efe3) 92%, transparent);
}
.method-bridge {
  margin: 2.3rem 0 1.55rem;
  padding: 1.2rem 1.25rem;
  border-radius: .8rem;
  background: color-mix(in srgb, var(--accent, #a67845) 11%, var(--surface, #fff) 89%);
  border: 1px solid color-mix(in srgb, var(--accent, #a67845) 28%, transparent);
}
.method-bridge p { margin-block: .3rem; }

@media (max-width: 760px) {
  .attention-thread { margin-inline: -.15rem; padding: 1rem; }
  .attention-thread__chain { grid-template-columns: 1fr; gap: .42rem; }
  .attention-thread__chain li { min-height: auto; padding: .7rem .7rem .7rem 2.35rem; }
  .attention-thread__chain li::before { top: 50%; transform: translateY(-50%); }
  .chapter-question { font-size: 1.07rem; }
  .chapter-takeaway, .safety-clarification, .method-bridge { margin-inline: -.1rem; }
}


/* FINAL RECAP */
.final-recap{margin:2.2rem 0 1.4rem;padding:1.2rem 1.25rem;border-radius:.8rem;background:color-mix(in srgb,var(--surface-alt,#f7efe3) 90%,transparent);border:1px solid color-mix(in srgb,var(--accent,#a67845) 24%,transparent)}
.final-recap__title{margin:0 0 .65rem;font-weight:800;font-size:1.08rem}
.final-recap ul{margin:0;padding-left:1.25rem}
.final-recap li{margin:.48rem 0;line-height:1.5}


/* MICRO DEFINITIONS */
.micro-definition{margin:.7rem 0 1.35rem;padding:.75rem .9rem;border-radius:.55rem;background:color-mix(in srgb,var(--surface-alt,#f7efe3) 82%,transparent);font-size:.95rem;line-height:1.5}