:root {
  color-scheme: light;
  --sans: europa, "Jost", "Avenir Next", Avenir, "Century Gothic", system-ui, sans-serif;
  --serif: minion-pro, "Crimson Text", Georgia, "Times New Roman", serif;
  --ink: #111111;
  --muted: #686868;
  --cream: #f9f8f4;
  --paper: #ffffff;
  --yellow: #f8cd5f;
  --yellow-light: #fef5df;
  --rule: #dedbd0;
  --button-ink: #320101;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.container {
  width: min(1164px, calc(100% - 54px));
  margin: 0 auto;
}

.narrow {
  max-width: 740px;
}

.centered {
  text-align: center;
}

.preview-bar {
  padding: 9px 18px;
  background: #111111;
  color: #ffffff;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.45;
  text-align: center;
  text-transform: uppercase;
}

.site-header {
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  gap: 36px;
}

.wordmark {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--sans);
  text-decoration: none;
}

.wordmark span {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.wordmark small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
}

nav a,
footer a,
.text-link,
.independent-grid a {
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 180ms ease;
}

nav a:hover,
footer a:hover,
.text-link:hover,
.independent-grid a:hover {
  border-color: var(--yellow);
}

.hero {
  overflow: hidden;
  padding: 76px 0 0;
  background: linear-gradient(to bottom, var(--cream) 0%, var(--cream) 87%, #ffffff 87%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  align-items: center;
  gap: 90px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #7b7461;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.18;
}

h1 {
  max-width: 760px;
  font-size: clamp(42px, 5.2vw, 68px);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(30px, 3.7vw, 46px);
  letter-spacing: -0.035em;
}

h3 {
  font-size: 21px;
  letter-spacing: -0.015em;
}

.dek {
  max-width: 690px;
  margin: 28px 0 0;
  font-size: 23px;
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.button {
  display: inline-block;
  padding: 15px 22px;
  background: var(--yellow);
  color: var(--button-ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
  background: #fcda82;
  box-shadow: 0 7px 20px rgb(50 1 1 / 14%);
}

.text-link {
  padding: 2px 0;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 800;
}

.disclosure {
  max-width: 690px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.hero-book {
  position: relative;
  width: min(100%, 340px);
  margin: 0 auto;
  padding: 12px;
}

.hero-book img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: 2px 4px 4px 2px;
  box-shadow: 0 1px 1px rgb(0 0 0 / 10%), 0 18px 34px rgb(0 0 0 / 21%), 0 32px 56px rgb(0 0 0 / 11%);
}

.dot-grid {
  position: absolute;
  inset: -24px -42px -18px -46px;
  background-image: radial-gradient(circle, #cdc39b 1.8px, transparent 2px);
  background-size: 19px 19px;
  opacity: 0.9;
}

.fact-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 780px;
  margin-top: 76px;
  background: #ffffff;
  border: 1px solid var(--rule);
}

.fact-strip div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: 20px;
  text-align: center;
}

.fact-strip div + div {
  border-left: 1px solid var(--rule);
}

.fact-strip strong {
  font-size: 31px;
  font-weight: 400;
  line-height: 1;
}

.fact-strip span {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section {
  padding: 104px 0;
}

.edition-link {
  margin: 24px 0 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.6;
}

.edition-link a {
  color: var(--ink);
  text-underline-offset: 3px;
}

.edition-history {
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 32px;
}

.edition-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 76px;
}

.edition-milestones {
  margin-top: 36px;
  padding-left: 22px;
  border-left: 3px solid var(--yellow);
  font-family: var(--sans);
}

.edition-milestones div + div {
  margin-top: 26px;
}

.edition-milestones strong,
.edition-milestones span {
  display: block;
}

.edition-milestones strong {
  font-size: 15px;
}

.edition-milestones span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.edition-copy > p {
  margin: 0 0 24px;
  font-size: 19px;
  line-height: 1.65;
}

.edition-copy .edition-takeaway {
  padding: 24px;
  background: var(--yellow-light);
}

.edition-copy .edition-signature {
  margin-bottom: 0;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 800;
}

.edition-signature span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.intro p:not(.eyebrow) {
  margin: 28px 0 0;
  font-size: 21px;
  line-height: 1.7;
}

.callout {
  padding: 26px 30px;
  background: var(--yellow-light);
  border-left: 5px solid var(--yellow);
  font-style: italic;
}

.themes {
  background: var(--cream);
}

.themes h2,
.reader-section h2,
.independent h2 {
  max-width: 760px;
  margin: 0 auto;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 58px;
}

.theme-grid article {
  padding: 34px 32px 36px;
  background: #ffffff;
  border-top: 4px solid var(--yellow);
}

.number {
  color: #8a826e;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.theme-grid h3 {
  margin-top: 18px;
}

.theme-grid p {
  margin: 14px 0 0;
  color: #383838;
  font-size: 18px;
  line-height: 1.6;
}

.section-note {
  max-width: 680px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  text-align: center;
}

.quote-grid {
  column-count: 2;
  column-gap: 28px;
  margin-top: 62px;
}

.quote-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 28px;
  padding: 38px;
  background: var(--cream);
  break-inside: avoid;
}

.quote-card blockquote {
  margin: 0;
  font-size: 23px;
  line-height: 1.52;
}

.quote-card figcaption {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
}

.quote-card figcaption img {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}

.quote-card figcaption span {
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
}

.quote-card figcaption strong {
  font-size: 15px;
}

.quote-card figcaption small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.source-note {
  max-width: 680px;
  margin: 26px auto 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  text-align: center;
}

.more-testimonials {
  margin-top: 20px;
}

.more-testimonials > summary {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 18px 24px;
  background: var(--yellow-light);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.independent {
  background: var(--cream);
}

.independent-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 58px;
}

.independent-grid article {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 34px;
  background: #ffffff;
  border: 1px solid var(--rule);
}

.independent-grid .source {
  margin: 0;
  color: #7b7461;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.independent-grid blockquote {
  margin: 30px 0 0;
  font-size: 23px;
  font-style: italic;
  line-height: 1.45;
}

.independent-grid article > p:not(.source) {
  margin: 22px 0 28px;
  color: #484848;
  font-size: 16px;
  line-height: 1.55;
}

.independent-grid a {
  align-self: flex-start;
  margin-top: auto;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 800;
}

.questions-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 90px;
  align-items: start;
}

.questions-heading {
  position: sticky;
  top: 34px;
}

.questions-heading p:last-child {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.faq-list {
  border-top: 1px solid var(--rule);
}

.faq-list details {
  border-bottom: 1px solid var(--rule);
}

.faq-list summary {
  position: relative;
  padding: 25px 44px 25px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 800;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 22px;
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin: -3px 0 27px;
  color: #383838;
  font-size: 18px;
  line-height: 1.65;
}

.author {
  background: var(--cream);
}

.author-grid {
  display: grid;
  grid-template-columns: 290px minmax(0, 650px);
  justify-content: center;
  align-items: center;
  gap: 64px;
}

.author-grid > img {
  width: 290px;
}

.author-grid h2 {
  margin-bottom: 24px;
}

.author-grid p:not(.eyebrow) {
  margin: 18px 0 0;
  font-size: 19px;
  line-height: 1.65;
}

.final-cta {
  padding: 96px 0 104px;
  background: var(--yellow-light);
}

.final-cta h2 {
  max-width: 720px;
  margin: 0 auto;
}

.final-cta p:not(.eyebrow) {
  margin: 24px 0 32px;
  font-size: 19px;
}

footer {
  padding: 50px 0;
  background: #000000;
  color: #999999;
  font-family: var(--sans);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner p:last-child {
  display: flex;
  gap: 12px;
}

@media (max-width: 900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 22px 0;
    gap: 18px;
  }

  nav {
    flex-wrap: wrap;
    gap: 10px 20px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 62px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy h1,
  .dek,
  .disclosure {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-book {
    width: min(76%, 330px);
  }

  .theme-grid,
  .independent-grid {
    grid-template-columns: 1fr;
  }

  .independent-grid article {
    min-height: 0;
  }

  .edition-grid,
  .questions-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .questions-heading {
    position: static;
    max-width: 620px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 36px, 1164px);
  }

  .preview-bar {
    font-size: 9px;
  }

  .site-header nav {
    display: none;
  }

  .header-inner {
    min-height: 76px;
    padding: 0;
  }

  .hero {
    padding-top: 54px;
    background: linear-gradient(to bottom, var(--cream) 0%, var(--cream) 92%, #ffffff 92%, #ffffff 100%);
  }

  h1 {
    font-size: 39px;
  }

  h2 {
    font-size: 31px;
  }

  .dek {
    font-size: 20px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 18px;
  }

  .hero-book {
    width: min(76%, 290px);
  }

  .fact-strip {
    width: calc(100% - 20px);
    margin-top: 62px;
  }

  .fact-strip div {
    min-height: 92px;
    padding: 14px 7px;
  }

  .fact-strip strong {
    font-size: 25px;
  }

  .fact-strip span {
    font-size: 8px;
    letter-spacing: 0.08em;
  }

  .section {
    padding: 76px 0;
  }

  .intro p:not(.eyebrow) {
    font-size: 19px;
  }

  .callout {
    padding: 22px;
  }

  .theme-grid {
    margin-top: 42px;
  }

  .quote-grid {
    column-count: 1;
    margin-top: 44px;
  }

  .quote-card {
    padding: 28px;
  }

  .quote-card blockquote {
    font-size: 20px;
  }

  .independent-grid {
    margin-top: 42px;
  }

  .independent-grid article {
    padding: 28px;
  }

  .author-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .author-grid > img {
    width: 220px;
  }

  .final-cta {
    padding: 76px 0 82px;
  }

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

  .footer-inner p:last-child {
    flex-wrap: wrap;
  }
}

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

  .button,
  nav a,
  footer a,
  .text-link,
  .independent-grid a {
    transition: none;
  }
}