:root {
  --ink: #0c1b2a;
  --ink-soft: #183145;
  --forest: #176b5b;
  --forest-dark: #0e4b42;
  --gold: #d4a63a;
  --paper: #f4f0e7;
  --white: #ffffff;
  --mist: #e6ece9;
  --line: #bdc8c5;
  --muted: #52606a;
  --rust: #a94f38;
  --max: 1180px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input { font: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(160px, 1fr);
  align-items: center;
  gap: 28px;
  padding: 12px max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(12, 27, 42, .18);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  text-decoration: none;
}

.brand-logo { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 6px; object-fit: cover; }

.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { font-size: 12px; text-transform: uppercase; color: var(--forest); }
.brand small { margin-top: 4px; font-size: 16px; font-weight: 750; }

.site-header nav { display: flex; gap: 26px; }
.site-header nav a { font-size: 14px; font-weight: 650; text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--forest); }

.header-action {
  justify-self: end;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
}

.hero {
  min-height: calc(100svh - 76px);
  color: var(--white);
  background: var(--ink);
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.hero-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: auto;
  padding: 46px 0 24px;
}

.eyebrow, .section-number, .role, .result-label {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 930px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(56px, 7vw, 100px);
  font-weight: 500;
  line-height: .94;
}

.hero-copy {
  max-width: 720px;
  margin: 20px 0 0;
  color: #d6e0e1;
  font-size: 20px;
}

.hero-actions, .book-actions, .assessment-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  font-weight: 780;
  cursor: pointer;
}

.button-primary { color: var(--white); background: var(--forest); }
.button-primary:hover, .button-primary:focus-visible { background: var(--forest-dark); }
.button-secondary { color: var(--white); border-color: #8596a1; background: transparent; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--white); }
.button-light { color: var(--ink); background: var(--paper); }

.deal-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto 24px;
  padding: 0;
  list-style: none;
}

.deal-line::before {
  content: "";
  position: absolute;
  left: calc(100% / 12);
  right: calc(100% / 12);
  top: 16px;
  height: 2px;
  background: #597281;
}

.deal-line li { position: relative; text-align: center; }
.deal-line span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin: 0 auto 12px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  color: var(--ink);
  background: var(--gold);
  font-size: 10px;
  font-weight: 900;
}

.deal-line li:nth-child(even) span { background: var(--paper); }
.deal-line strong { font-size: 12px; color: #d5dfe1; }

.proof-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.proof-band div { padding: 26px max(20px, calc((100vw - var(--max)) / 8)); border-right: 1px solid var(--line); }
.proof-band div:last-child { border-right: 0; }
.proof-band strong, .proof-band span { display: block; }
.proof-band strong { color: var(--forest-dark); font-size: 14px; }
.proof-band span { margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.4; }

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 112px 0;
}

.section-heading { max-width: 800px; margin-bottom: 54px; }
.section-heading h2, .book-copy h2, .source-intro h2, .contact-band h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: 1.02;
  font-weight: 500;
}

.section-heading > p:last-child { max-width: 680px; color: var(--muted); font-size: 18px; }
.section-heading .assessment-logic { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.assessment-logic strong { color: var(--forest-dark); }

.readiness { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(520px, 1.28fr); gap: 76px; }
.readiness .section-heading { position: sticky; top: 118px; align-self: start; }

.readiness-tool { border-top: 3px solid var(--gold); }
.assessment-row { margin: 0; padding: 24px 0; border: 0; border-bottom: 1px solid var(--line); }
.assessment-row legend { width: 100%; padding: 0; font-family: var(--serif); font-size: 24px; font-weight: 700; }
.assessment-row legend span { display: block; margin-bottom: 4px; color: var(--forest); font-family: var(--sans); font-size: 11px; font-weight: 800; text-transform: uppercase; }

.confidence-control { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
.confidence-control label { position: relative; }
.confidence-control input { position: absolute; opacity: 0; pointer-events: none; }
.confidence-control span {
  display: grid;
  min-height: 44px;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
}

.confidence-control input:checked + span { border-color: var(--forest); color: var(--white); background: var(--forest); }
.confidence-control input:focus-visible + span { outline: 3px solid rgba(212, 166, 58, .45); outline-offset: 2px; }
.text-button { min-height: 44px; padding: 8px 12px; border: 0; color: var(--muted); background: transparent; cursor: pointer; text-decoration: underline; }

.readiness-result {
  grid-column: 2;
  padding: 30px;
  border-left: 5px solid var(--gold);
  background: var(--ink);
  color: var(--white);
}

.readiness-result h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 34px; }
.readiness-result p:not(.result-label) { color: #d5dfe1; }

.course { width: 100%; max-width: none; padding: 112px max(24px, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--forest-dark); }
.course .section-heading > p:last-child { color: #c9dcd7; }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #699187; }
.course-grid article { min-height: 300px; padding: 34px; border-right: 1px solid #699187; }
.course-grid article:last-child { border-right: 0; }
.course-index { color: var(--gold); font-family: var(--serif); font-size: 38px; }
.course-grid h3 { margin: 54px 0 8px; font-family: var(--serif); font-size: 30px; }
.course-grid p { color: #c9dcd7; }

.featured-lesson {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 42px;
  align-items: center;
  margin-top: 46px;
  padding: 38px;
  border: 1px solid #699187;
  background: #123d36;
}

.video-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; background: var(--ink); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lesson-copy h3 { margin: 0 0 14px; font-family: var(--serif); font-size: 34px; line-height: 1.12; }
.lesson-copy > p:not(.section-number) { color: #c9dcd7; }
.lesson-copy a { color: var(--white); font-weight: 750; }

.course-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 34px;
  padding: 28px 0 0;
}

.course-action strong, .course-action span { display: block; }
.course-action strong { font-size: 18px; }
.course-action span { max-width: 700px; margin-top: 4px; color: #c9dcd7; font-size: 14px; }

.book-section {
  display: grid;
  grid-template-columns: minmax(300px, .8fr) minmax(450px, 1.2fr);
  min-height: 900px;
  background: var(--paper);
}

.book-art {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 80px 54px;
  background: var(--ink-soft);
}

.book-art img { position: relative; z-index: 1; width: min(390px, 84%); box-shadow: 22px 30px 0 rgba(0, 0, 0, .22); transform: rotate(-2deg); }
.book-shadow { position: absolute; width: 70%; aspect-ratio: 1; border: 1px solid rgba(212, 166, 58, .55); transform: rotate(11deg); }
.book-copy { align-self: center; max-width: 720px; padding: 96px clamp(48px, 7vw, 120px); }
.book-copy h2 em { font-style: normal; }
.book-deck { margin: 22px 0; color: var(--forest-dark); font-size: 21px; font-weight: 750; }
.book-copy blockquote { margin: 32px 0; padding-left: 24px; border-left: 3px solid var(--gold); font-family: var(--serif); font-size: 23px; line-height: 1.45; }

.reader-groups { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reader-groups div { padding: 22px 16px 22px 0; }
.reader-groups strong, .reader-groups span { display: block; }
.reader-groups strong { color: var(--forest-dark); font-size: 13px; }
.reader-groups span { margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.book-actions > span { color: var(--muted); font-size: 12px; }

.source-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.source-copy { align-self: end; max-width: 580px; font-size: 18px; }
.source-copy ul { padding: 0; border-top: 1px solid var(--line); list-style: none; }
.source-copy li { padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--forest-dark); font-weight: 680; }

.about { border-top: 1px solid var(--line); }
.people-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.people-grid article { min-height: 280px; padding: 38px; background: var(--white); }
.people-grid h3 { margin: 0 0 18px; font-family: var(--serif); font-size: 36px; }
.people-grid p:last-child { max-width: 500px; color: var(--muted); }
.people-grid.single-profile { grid-template-columns: 1fr; background: transparent; }
.people-grid.single-profile article { min-height: 240px; border-left: 5px solid var(--gold); background: var(--paper); }
.people-grid.single-profile p:last-child { max-width: 780px; }

.social-band {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 70px;
  align-items: end;
  padding: 90px max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--ink-soft);
}

.social-band h2 { max-width: 600px; margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.5vw, 62px); font-weight: 500; line-height: 1.06; }
.social-links { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #5f7481; }
.social-links a { min-height: 150px; padding: 24px; border-right: 1px solid #5f7481; text-decoration: none; }
.social-links a:last-child { border-right: 0; }
.social-links a:hover, .social-links a:focus-visible { background: var(--forest-dark); }
.social-links span, .social-links strong { display: block; }
.social-links span { color: var(--gold); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.social-links strong { margin-top: 44px; font-family: var(--serif); font-size: 20px; }

.contact-band {
  width: 100%;
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: 88px max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--rust);
}

.contact-band h2 { max-width: 780px; font-size: clamp(38px, 5vw, 65px); }
.contact-band .section-number { color: #f6d99b; }

.site-footer { padding: 54px max(24px, calc((100vw - var(--max)) / 2)); color: #c9d5d9; background: var(--ink); }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand p { margin: 0; line-height: 1.35; }
.footer-brand .brand-logo { width: 58px; height: 58px; flex-basis: 58px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; margin: 36px 0; }
.footer-links a { color: var(--white); font-size: 13px; }
.legal-note { max-width: 900px; color: #91a2aa; font-size: 12px; }
.copyright { margin-top: 28px; color: #91a2aa; font-size: 12px; }

.policy-main { min-height: 70vh; background: var(--paper); }
.policy-page { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 88px 0 120px; }
.policy-page h1 { margin: 0 0 20px; font-family: var(--serif); font-size: clamp(46px, 7vw, 76px); font-weight: 500; line-height: 1; }
.policy-page h2 { margin-top: 42px; font-family: var(--serif); font-size: 28px; }
.policy-page p, .policy-page li { color: #34444e; }
.policy-page .updated { color: var(--forest); font-size: 12px; font-weight: 800; text-transform: uppercase; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .readiness { grid-template-columns: 1fr; }
  .readiness .section-heading { position: static; }
  .readiness-result { grid-column: auto; }
  .book-section { grid-template-columns: 1fr; }
  .book-art { min-height: 680px; }
  .book-copy { max-width: none; }
  .proof-band { grid-template-columns: 1fr 1fr; }
  .proof-band div:nth-child(2) { border-right: 0; }
  .proof-band div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .featured-lesson { grid-template-columns: 1fr; }
  .social-band { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .site-header { min-height: 68px; padding: 10px 18px; }
  .brand strong { display: none; }
  .brand small { margin: 0; font-size: 14px; }
  .header-action { padding: 8px 10px; }
  .hero { min-height: calc(100svh - 110px); }
  .hero-inner { width: min(100% - 36px, var(--max)); padding: 36px 0 20px; }
  .hero h1 { font-size: 56px; }
  .hero-copy { font-size: 17px; }
  .deal-line { grid-template-columns: repeat(6, 1fr); row-gap: 0; width: calc(100% - 24px); margin-bottom: 14px; }
  .deal-line::before { display: none; }
  .deal-line span { width: 30px; height: 30px; margin-bottom: 8px; }
  .deal-line strong { display: block; font-size: 8px; line-height: 1.2; }
  .proof-band { grid-template-columns: 1fr; }
  .proof-band div { border-right: 0; border-bottom: 1px solid var(--line); }
  .section { width: calc(100% - 36px); padding: 78px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .book-copy h2, .source-intro h2 { font-size: 44px; }
  .confidence-control { grid-template-columns: 1fr; }
  .course { padding: 78px 18px; }
  .course-grid { grid-template-columns: 1fr; }
  .course-grid article { min-height: 240px; border-right: 0; border-bottom: 1px solid #699187; }
  .course-grid article:last-child { border-bottom: 0; }
  .course-grid h3 { margin-top: 28px; }
  .course-action { align-items: flex-start; flex-direction: column; }
  .featured-lesson { gap: 26px; margin-top: 34px; padding: 18px; }
  .book-art { min-height: 570px; padding: 56px 28px; }
  .book-copy { padding: 72px 24px; }
  .reader-groups { grid-template-columns: 1fr; }
  .reader-groups div { border-bottom: 1px solid var(--line); }
  .reader-groups div:last-child { border-bottom: 0; }
  .source-section { grid-template-columns: 1fr; gap: 26px; }
  .people-grid { grid-template-columns: 1fr; }
  .social-band { gap: 34px; padding: 72px 18px; }
  .social-links { grid-template-columns: 1fr; }
  .social-links a { min-height: 92px; border-right: 0; border-bottom: 1px solid #5f7481; }
  .social-links a:last-child { border-bottom: 0; }
  .social-links strong { margin-top: 18px; }
  .contact-band { align-items: flex-start; flex-direction: column; padding: 72px 18px; }
  .footer-links { gap: 14px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}