:root {
  color-scheme: light;
  --page: #f7f5f0;
  --paper: #fffefa;
  --ink: #25282b;
  --muted: #65696c;
  --accent: #f45f4a;
  --accent-2: #a9d4df;
  --accent-3: #b6d7c5;
  --line: rgba(37, 40, 43, 0.18);
  --heading: Georgia, "Times New Roman", serif;
  --body: Arial, Helvetica, sans-serif;
  --radius: 6px;
  --max: 1180px;
  --shadow: 0 18px 50px rgba(32, 31, 28, 0.12);
}

:root[data-concept="editorial"] {
  --page: #ffffff;
  --paper: #ffffff;
  --ink: #101010;
  --muted: #555555;
  --accent: #ed3326;
  --accent-2: #c7ef3f;
  --accent-3: #f0f0ea;
  --line: rgba(16, 16, 16, 0.3);
  --heading: Arial, Helvetica, sans-serif;
  --body: Arial, Helvetica, sans-serif;
  --radius: 0;
  --shadow: 8px 8px 0 #101010;
}

:root[data-concept="workbook"] {
  --page: #ffffff;
  --paper: #ffffff;
  --ink: #121212;
  --muted: #555b60;
  --accent: #ffcf28;
  --accent-2: #2d67d4;
  --accent-3: #a8dcc9;
  --line: rgba(18, 18, 18, 0.35);
  --heading: Arial, Helvetica, sans-serif;
  --body: Arial, Helvetica, sans-serif;
  --radius: 2px;
  --shadow: 8px 8px 0 #121212;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 14px;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--page);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  padding: 0 max(28px, calc((100% - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--page) 94%, transparent);
  backdrop-filter: blur(12px);
}

.author-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.author-mark__dot {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
}

[data-concept="editorial"] .author-mark__dot,
[data-concept="workbook"] .author-mark__dot {
  border-radius: 0;
}

.header-buy {
  padding: 9px 14px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.header-buy:hover {
  background: var(--ink);
  color: var(--page);
}

.concept-switcher {
  position: fixed;
  top: 76px;
  left: 50%;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  width: max-content;
  max-width: calc(100% - 24px);
  padding: 6px;
  transform: translateX(-50%);
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--ink);
  font-size: 12px;
}

.concept-switcher[hidden] {
  display: none;
}

.concept-switcher__label {
  padding: 0 7px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
}

.concept-switcher a {
  padding: 7px 9px;
  border-radius: 2px;
  text-decoration: none;
}

.concept-switcher a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  position: relative;
  min-height: 620px;
  height: calc(100svh - 102px);
  max-height: 760px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero__media,
.hero__wash {
  position: absolute;
  inset: 0;
}

.hero__image {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-concept="warm"] .hero__image--warm,
[data-concept="editorial"] .hero__image--editorial,
[data-concept="workbook"] .hero__image--workbook {
  display: block;
}

[data-concept="warm"] .hero__image {
  object-position: center center;
}

[data-concept="editorial"] .hero__image {
  object-position: center center;
}

[data-concept="workbook"] .hero__image {
  object-position: center center;
}

.hero__wash {
  z-index: 1;
  right: auto;
  width: 56%;
  background: rgba(249, 247, 241, 0.89);
}

[data-concept="editorial"] .hero__wash {
  width: 54%;
  background: rgba(255, 255, 255, 0.92);
  border-right: 2px solid var(--ink);
}

[data-concept="workbook"] .hero__wash {
  width: 53%;
  background: rgba(255, 255, 255, 0.94);
  border-right: 1px solid rgba(18, 18, 18, 0.16);
}

.hero__copy {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(52%, 660px);
  height: 100%;
  margin-left: max(28px, calc((100% - var(--max)) / 2));
  padding: 44px 70px 44px 0;
}

.eyebrow,
.section-label,
.transition-band__small {
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 700px;
  margin: 0 0 20px;
  font-family: var(--heading);
  font-size: 86px;
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: 0;
}

[data-concept="warm"] .hero h1 {
  color: #c94c40;
  font-style: italic;
  font-weight: 500;
}

[data-concept="editorial"] .hero h1 {
  font-size: 82px;
  font-weight: 900;
  line-height: 0.84;
  text-transform: uppercase;
}

[data-concept="workbook"] .hero h1 {
  display: inline;
  width: fit-content;
  padding: 8px 10px 10px;
  background: var(--accent);
  box-shadow: 8px 8px 0 var(--ink);
  font-size: 76px;
  font-weight: 900;
  line-height: 0.86;
  text-transform: uppercase;
}

.hero__lead {
  max-width: 590px;
  margin: 0 0 11px;
  font-family: var(--heading);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
}

[data-concept="editorial"] .hero__lead,
[data-concept="workbook"] .hero__lead {
  font-family: var(--body);
}

.hero__detail {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.45;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 27px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #111111;
}

[data-concept="warm"] .button--primary {
  color: #ffffff;
}

[data-concept="editorial"] .button--primary {
  border-color: var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  color: #ffffff;
}

[data-concept="workbook"] .button--primary {
  box-shadow: 6px 6px 0 var(--ink);
}

.text-link {
  font-size: 14px;
  font-weight: 700;
  text-underline-offset: 4px;
}

.hero__note {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.hero__cover {
  position: absolute;
  right: max(40px, calc((100% - var(--max)) / 2));
  bottom: 38px;
  z-index: 4;
  display: flex;
  width: 190px;
  aspect-ratio: 0.72;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  background: #f45f4a;
  box-shadow: var(--shadow);
  color: #ffffff;
  transform: rotate(3deg);
}

.hero__cover strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 0.92;
}

.hero__cover span {
  font-size: 11px;
}

[data-concept="editorial"] .hero__cover {
  border: 3px solid var(--ink);
  border-radius: 0;
  background: var(--accent);
  box-shadow: 10px 10px 0 var(--ink);
  transform: rotate(-2deg);
}

[data-concept="editorial"] .hero__cover strong {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

[data-concept="workbook"] .hero__cover {
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--accent-2);
  box-shadow: 10px 10px 0 var(--accent);
  transform: rotate(2deg);
}

[data-concept="workbook"] .hero__cover strong {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

.section {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 104px 28px;
}

.section__intro {
  max-width: 740px;
}

.section__intro--wide {
  max-width: 920px;
}

.section h2,
.transition-band h2 {
  margin: 0 0 24px;
  font-family: var(--heading);
  font-size: 50px;
  line-height: 1.02;
  letter-spacing: 0;
}

[data-concept="editorial"] .section h2,
[data-concept="editorial"] .transition-band h2,
[data-concept="workbook"] .section h2,
[data-concept="workbook"] .transition-band h2 {
  font-weight: 900;
}

.section__intro > p:last-child {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 20px;
}

.recognition {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 90px;
  align-items: start;
}

.recognition__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.recognition__list article {
  min-height: 185px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.recognition__list article:nth-child(1) {
  background: #f6d56f;
}

.recognition__list article:nth-child(2) {
  background: #acd5df;
}

.recognition__list article:nth-child(3) {
  background: #c1ddc8;
}

.recognition__list article:nth-child(4) {
  background: #eea29c;
}

.recognition__list span,
.module__number {
  display: block;
  margin-bottom: 28px;
  font-size: 12px;
  font-weight: 900;
}

.recognition__list p {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
}

[data-concept="warm"] .recognition__list article:nth-child(1),
[data-concept="warm"] .recognition__list article:nth-child(4) {
  transform: rotate(-1deg);
}

[data-concept="warm"] .recognition__list article:nth-child(2),
[data-concept="warm"] .recognition__list article:nth-child(3) {
  transform: rotate(1deg);
}

[data-concept="editorial"] .recognition {
  grid-template-columns: 0.8fr 1.2fr;
}

[data-concept="editorial"] .recognition__list {
  display: block;
  border-top: 4px solid var(--ink);
}

[data-concept="editorial"] .recognition__list article {
  display: grid;
  min-height: 0;
  grid-template-columns: 64px 1fr;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
}

[data-concept="editorial"] .recognition__list span {
  margin: 0;
  color: var(--accent);
}

[data-concept="workbook"] .recognition__list {
  gap: 0;
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
}

[data-concept="workbook"] .recognition__list article {
  border: 0;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
}

[data-concept="workbook"] .recognition__list article:nth-child(1),
[data-concept="workbook"] .recognition__list article:nth-child(4) {
  background: #fff2ad;
}

.transition-band {
  width: 100%;
  padding: 86px max(28px, calc((100% - 980px) / 2));
  background: var(--accent-3);
}

.transition-band > * {
  max-width: 930px;
}

.transition-band p:not(.transition-band__small) {
  margin: 0 0 18px;
  font-size: 22px;
}

.transition-band strong {
  display: block;
  max-width: 820px;
  margin-top: 28px;
  font-family: var(--heading);
  font-size: 28px;
  line-height: 1.25;
}

[data-concept="editorial"] .transition-band {
  border-top: 4px solid var(--ink);
  border-bottom: 4px solid var(--ink);
  background: var(--ink);
  color: #ffffff;
}

[data-concept="editorial"] .transition-band__small {
  color: var(--accent-2);
}

[data-concept="editorial"] .transition-band strong {
  padding-left: 18px;
  border-left: 10px solid var(--accent);
  font-family: Arial, Helvetica, sans-serif;
}

[data-concept="workbook"] .transition-band {
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--accent);
}

[data-concept="workbook"] .transition-band strong {
  max-width: 900px;
  padding: 16px;
  border: 2px solid var(--ink);
  background: #ffffff;
  box-shadow: 8px 8px 0 var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.modules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 54px;
}

.module {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.module:nth-child(1) {
  background: #f4d46b;
}

.module:nth-child(2) {
  background: #a9d4df;
}

.module:nth-child(3) {
  background: #bad9c4;
}

.module:nth-child(4) {
  background: #eca29a;
}

.module h3 {
  max-width: 430px;
  margin: 0 0 20px;
  font-family: var(--heading);
  font-size: 30px;
  line-height: 1.05;
}

.module p {
  max-width: 480px;
  margin: 0;
  color: color-mix(in srgb, var(--ink) 78%, transparent);
}

[data-concept="editorial"] .modules {
  display: block;
  border-top: 5px solid var(--ink);
}

[data-concept="editorial"] .module {
  display: grid;
  min-height: 0;
  grid-template-columns: 100px 0.75fr 1.25fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border: 0;
  border-bottom: 2px solid var(--ink);
  background: transparent;
}

[data-concept="editorial"] .module__number {
  margin: 0;
  color: var(--accent);
  font-size: 22px;
}

[data-concept="editorial"] .module h3 {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 30px;
  font-weight: 900;
}

[data-concept="workbook"] .modules {
  gap: 0;
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
}

[data-concept="workbook"] .module {
  min-height: 270px;
  border: 0;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  background: #ffffff;
}

[data-concept="workbook"] .module__number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  border: 2px solid var(--ink);
  background: var(--accent);
}

[data-concept="workbook"] .module h3 {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
}

.audience {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0;
  padding-top: 0;
}

.audience__column {
  padding: 48px;
}

.audience__column h2 {
  font-size: 40px;
}

.audience__column--yes {
  background: #f1cf61;
}

.audience__column--no {
  background: #a9d4df;
}

.check-list,
.plain-list,
.purchase__details {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li,
.purchase__details li {
  position: relative;
  padding: 15px 0 15px 34px;
  border-top: 1px solid rgba(18, 18, 18, 0.24);
}

.check-list li::before {
  position: absolute;
  top: 17px;
  left: 0;
  content: "✓";
  font-size: 18px;
  font-weight: 900;
}

.plain-list li::before {
  position: absolute;
  top: 18px;
  left: 0;
  content: "×";
  font-size: 18px;
  font-weight: 900;
}

[data-concept="editorial"] .audience {
  width: 100%;
  max-width: none;
  grid-template-columns: 1fr 1fr;
  padding-right: max(28px, calc((100% - var(--max)) / 2));
  padding-left: max(28px, calc((100% - var(--max)) / 2));
  background: var(--ink);
  color: #ffffff;
}

[data-concept="editorial"] .audience__column--yes,
[data-concept="editorial"] .audience__column--no {
  background: transparent;
}

[data-concept="editorial"] .audience__column--no {
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}

[data-concept="editorial"] .audience .section-label {
  color: var(--accent-2);
}

[data-concept="editorial"] .check-list li,
[data-concept="editorial"] .plain-list li {
  border-color: rgba(255, 255, 255, 0.3);
}

[data-concept="workbook"] .audience {
  border: 2px solid var(--ink);
  padding: 0;
}

[data-concept="workbook"] .audience__column {
  background: #ffffff;
}

[data-concept="workbook"] .audience__column--yes {
  background: #fff3b1;
}

[data-concept="workbook"] .audience__column--no {
  border-left: 2px solid var(--ink);
}

.author {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 70px;
}

.author__headline {
  position: sticky;
  top: 110px;
  align-self: start;
}

.author__story p {
  margin: 0 0 22px;
  font-size: 20px;
}

.author__story blockquote {
  margin: 44px 0 0;
  padding: 28px 0 0;
  border-top: 2px solid var(--ink);
  font-family: var(--heading);
  font-size: 29px;
  font-weight: 700;
  line-height: 1.3;
}

.author__facts {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.author__facts p {
  min-height: 160px;
  margin: 0;
  padding: 27px;
  border-right: 1px solid var(--line);
}

.author__facts p:last-child {
  border-right: 0;
}

.author__facts strong,
.author__facts span {
  display: block;
}

.author__facts strong {
  margin-bottom: 22px;
  font-family: var(--heading);
  font-size: 38px;
  line-height: 1;
}

.author__facts span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.3;
}

[data-concept="editorial"] .author__story blockquote {
  padding: 24px;
  border: 0;
  background: var(--accent-2);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
}

[data-concept="editorial"] .author__facts {
  border-color: var(--ink);
  border-width: 4px 0;
}

[data-concept="workbook"] .author__story blockquote {
  padding: 24px;
  border: 2px solid var(--ink);
  background: #ffffff;
  box-shadow: 8px 8px 0 var(--accent);
  font-family: Arial, Helvetica, sans-serif;
}

[data-concept="workbook"] .author__facts {
  border: 2px solid var(--ink);
}

.purchase {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
  max-width: none;
  padding-right: max(28px, calc((100% - 1060px) / 2));
  padding-left: max(28px, calc((100% - 1060px) / 2));
  background: #f0b4ad;
}

.purchase__visual {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 0.92;
  margin: 0 auto;
}

.page-stack,
.guide-cover {
  position: absolute;
  inset: 8% 14% 5%;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--paper);
}

.page-stack--back {
  transform: rotate(-7deg) translate(-18px, 10px);
}

.page-stack--middle {
  transform: rotate(5deg) translate(18px, 0);
}

.guide-cover {
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  background: var(--accent);
  box-shadow: 14px 18px 0 rgba(18, 18, 18, 0.15);
  color: #ffffff;
  transform: rotate(-1deg);
}

.guide-cover strong {
  font-family: var(--heading);
  font-size: 52px;
  line-height: 0.9;
}

.guide-cover span,
.guide-cover small {
  font-size: 13px;
}

.purchase__copy {
  max-width: 520px;
}

.purchase__copy h2 {
  font-size: 48px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 32px 0 8px;
}

.price strong {
  font-family: var(--heading);
  font-size: 58px;
  line-height: 1;
}

.price s {
  color: var(--muted);
  font-size: 18px;
}

.purchase__details {
  margin-bottom: 30px;
}

.purchase__details li::before {
  position: absolute;
  top: 18px;
  left: 0;
  content: "•";
  font-weight: 900;
}

.button--wide {
  width: 100%;
}

.purchase__provider {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

[data-concept="editorial"] .purchase {
  border-top: 4px solid var(--ink);
  border-bottom: 4px solid var(--ink);
  background: var(--accent);
}

[data-concept="editorial"] .guide-cover {
  border: 4px solid var(--ink);
  border-radius: 0;
  background: #ffffff;
  box-shadow: 14px 14px 0 var(--ink);
  color: var(--ink);
}

[data-concept="editorial"] .guide-cover strong {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

[data-concept="editorial"] .purchase .section-label,
[data-concept="editorial"] .purchase__provider,
[data-concept="editorial"] .price s {
  color: rgba(16, 16, 16, 0.7);
}

[data-concept="editorial"] .purchase .button--primary {
  border-color: var(--ink);
  background: var(--ink);
}

[data-concept="workbook"] .purchase {
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--accent-3);
}

[data-concept="workbook"] .guide-cover {
  border: 3px solid var(--ink);
  border-radius: 0;
  background: var(--accent-2);
  box-shadow: 14px 14px 0 var(--accent);
}

[data-concept="workbook"] .guide-cover strong {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
}

.faq {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 70px;
}

.faq__title {
  position: sticky;
  top: 110px;
  align-self: start;
}

.faq__items {
  border-top: 1px solid var(--ink);
}

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

.faq summary {
  position: relative;
  padding: 22px 48px 22px 0;
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
  list-style: none;
}

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

.faq summary::after {
  position: absolute;
  top: 20px;
  right: 4px;
  content: "+";
  font-size: 26px;
  font-weight: 400;
}

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

.faq details p {
  max-width: 650px;
  margin: 0;
  padding: 0 48px 26px 0;
  color: var(--muted);
}

[data-concept="workbook"] .faq__items {
  border: 2px solid var(--ink);
  border-bottom: 0;
}

[data-concept="workbook"] .faq details {
  padding: 0 20px;
  border-bottom-width: 2px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 36px max(28px, calc((100% - var(--max)) / 2));
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--page);
  font-size: 13px;
}

.site-footer div {
  display: flex;
  gap: 20px;
}

.site-footer a {
  text-underline-offset: 3px;
}

.mobile-buy {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 460ms ease, transform 460ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Prototype chooser */

.prototype-index {
  min-height: 100svh;
  padding: 70px 28px;
  background: #f3f1ec;
}

.prototype-index main {
  width: min(100%, 1220px);
  margin: 0 auto;
}

.prototype-index__header {
  max-width: 760px;
  margin-bottom: 48px;
}

.prototype-index__header > p:first-child {
  margin: 0 0 10px;
  color: #5e625e;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.prototype-index__header h1 {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 56px;
  line-height: 1;
}

.prototype-index__header > p:last-child {
  max-width: 620px;
  margin: 0;
  color: #5e625e;
  font-size: 18px;
}

.prototype-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.prototype-card {
  display: block;
  overflow: hidden;
  border: 1px solid #141414;
  border-radius: 4px;
  background: #ffffff;
  color: #141414;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.prototype-card:hover {
  transform: translateY(-5px);
  box-shadow: 8px 8px 0 #141414;
}

.prototype-card img {
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
  border-bottom: 1px solid #141414;
}

.prototype-card > span,
.prototype-card h2,
.prototype-card p {
  margin-right: 22px;
  margin-left: 22px;
}

.prototype-card > span {
  display: block;
  margin-top: 20px;
  color: #666666;
  font-size: 12px;
  font-weight: 800;
}

.prototype-card h2 {
  margin-top: 8px;
  margin-bottom: 10px;
  font-size: 27px;
  line-height: 1.05;
}

.prototype-card p {
  margin-top: 0;
  margin-bottom: 26px;
  color: #5a5d60;
  font-size: 14px;
}

.prototype-card--warm {
  border-color: #c94c40;
  background: #fffdf7;
}

.prototype-card--editorial {
  border-width: 3px;
  border-radius: 0;
}

.prototype-card--editorial h2 {
  font-weight: 900;
  text-transform: uppercase;
}

.prototype-card--workbook {
  border-width: 2px;
  border-radius: 0;
  box-shadow: 7px 7px 0 #ffcf28;
}

@media (max-width: 980px) {
  .hero__copy {
    width: 60%;
    padding-right: 40px;
  }

  .hero__wash {
    width: 64%;
  }

  [data-concept="editorial"] .hero__wash,
  [data-concept="workbook"] .hero__wash {
    width: 62%;
  }

  .hero h1,
  [data-concept="editorial"] .hero h1 {
    font-size: 70px;
  }

  [data-concept="workbook"] .hero h1 {
    font-size: 62px;
  }

  .hero__cover {
    width: 154px;
  }

  .recognition {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .audience__column {
    padding: 38px;
  }

  .author,
  .faq {
    gap: 44px;
  }

  .purchase {
    gap: 44px;
  }

  .prototype-grid {
    grid-template-columns: 1fr;
  }

  .prototype-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
    grid-template-rows: auto auto 1fr;
  }

  .prototype-card img {
    grid-row: 1 / -1;
    height: 100%;
    border-right: 1px solid #141414;
    border-bottom: 0;
  }
}

@media (max-width: 740px) {
  html {
    scroll-padding-top: 68px;
  }

  body {
    padding-bottom: 68px;
    font-size: 16px;
  }

  .site-header {
    height: 56px;
    padding: 0 18px;
  }

  .author-mark {
    font-size: 13px;
  }

  .header-buy {
    display: none;
  }

  .concept-switcher {
    top: 64px;
    width: calc(100% - 20px);
    justify-content: center;
    overflow-x: auto;
    box-shadow: 4px 4px 0 var(--ink);
  }

  .concept-switcher__label {
    display: none;
  }

  .hero {
    min-height: 560px;
    height: calc(100svh - 94px);
    max-height: 700px;
  }

  .hero__image,
  [data-concept="warm"] .hero__image,
  [data-concept="editorial"] .hero__image,
  [data-concept="workbook"] .hero__image {
    object-position: 68% center;
  }

  .hero__wash,
  [data-concept="editorial"] .hero__wash,
  [data-concept="workbook"] .hero__wash {
    width: 100%;
    border-right: 0;
    background: rgba(255, 255, 255, 0.84);
  }

  [data-concept="warm"] .hero__wash {
    background: rgba(249, 247, 241, 0.82);
  }

  .hero__copy {
    width: 100%;
    margin-left: 0;
    padding: 42px 22px 118px;
    justify-content: flex-start;
  }

  .is-comparing .hero__copy {
    padding-top: 96px;
  }

  .eyebrow {
    margin-bottom: 12px;
  }

  .hero h1,
  [data-concept="editorial"] .hero h1 {
    margin-bottom: 18px;
    font-size: 55px;
  }

  [data-concept="workbook"] .hero h1 {
    padding: 6px 8px 8px;
    box-shadow: 5px 5px 0 var(--ink);
    font-size: 48px;
  }

  .hero__lead {
    max-width: 520px;
    font-size: 20px;
  }

  .hero__detail {
    max-width: 510px;
    font-size: 14px;
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }

  .hero__actions .button {
    min-height: 46px;
  }

  .hero__note {
    margin-top: 10px;
  }

  .hero__cover {
    right: 18px;
    bottom: 16px;
    width: 112px;
    padding: 12px;
  }

  .hero__cover strong {
    font-size: 21px;
  }

  .hero__cover span {
    font-size: 8px;
  }

  .section {
    padding: 70px 20px;
  }

  .section h2,
  .transition-band h2 {
    font-size: 38px;
  }

  .section__intro > p:last-child {
    font-size: 17px;
  }

  .recognition {
    gap: 34px;
  }

  [data-concept="editorial"] .recognition {
    grid-template-columns: 1fr;
  }

  .recognition__list,
  [data-concept="workbook"] .recognition__list {
    grid-template-columns: 1fr;
  }

  .recognition__list article {
    min-height: 142px;
  }

  [data-concept="warm"] .recognition__list article {
    transform: none;
  }

  [data-concept="editorial"] .recognition__list article {
    grid-template-columns: 48px 1fr;
  }

  .transition-band {
    padding: 68px 20px;
  }

  .transition-band p:not(.transition-band__small) {
    font-size: 18px;
  }

  .transition-band strong {
    font-size: 23px;
  }

  .modules,
  [data-concept="workbook"] .modules {
    grid-template-columns: 1fr;
  }

  .module {
    min-height: 225px;
  }

  [data-concept="editorial"] .module {
    grid-template-columns: 48px 1fr;
  }

  [data-concept="editorial"] .module p {
    grid-column: 2;
  }

  .module h3 {
    font-size: 27px;
  }

  .audience,
  [data-concept="editorial"] .audience {
    grid-template-columns: 1fr;
  }

  [data-concept="editorial"] .audience {
    padding-right: 20px;
    padding-left: 20px;
  }

  .audience__column {
    padding: 36px 24px;
  }

  .audience__column h2 {
    font-size: 34px;
  }

  [data-concept="editorial"] .audience__column--no,
  [data-concept="workbook"] .audience__column--no {
    border-top: 1px solid currentColor;
    border-left: 0;
  }

  [data-concept="workbook"] .audience__column--no {
    border-top-width: 2px;
  }

  .author,
  .faq {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .author__headline,
  .faq__title {
    position: static;
  }

  .author__story p {
    font-size: 18px;
  }

  .author__story blockquote {
    margin-top: 34px;
    font-size: 23px;
  }

  .author__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .author__facts p {
    min-height: 142px;
    padding: 20px;
    border-bottom: 1px solid var(--line);
  }

  .author__facts p:nth-child(2) {
    border-right: 0;
  }

  .author__facts p:nth-child(3),
  .author__facts p:nth-child(4) {
    border-bottom: 0;
  }

  .author__facts strong {
    font-size: 31px;
  }

  .purchase {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 68px 20px;
  }

  .purchase__visual {
    width: min(100%, 330px);
  }

  .purchase__copy h2 {
    font-size: 38px;
  }

  .guide-cover strong {
    font-size: 43px;
  }

  .price strong {
    font-size: 50px;
  }

  .faq {
    gap: 16px;
  }

  .faq summary {
    padding-top: 19px;
    padding-bottom: 19px;
    font-size: 17px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    padding: 30px 20px;
  }

  .site-footer div {
    flex-direction: column;
    gap: 6px;
  }

  .mobile-buy {
    position: fixed;
    right: 10px;
    bottom: 10px;
    left: 10px;
    z-index: 90;
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border: 1px solid var(--ink);
    border-radius: var(--radius);
    background: var(--accent);
    box-shadow: 4px 4px 0 var(--ink);
    color: var(--ink);
    font-size: 14px;
    text-decoration: none;
  }

  [data-concept="warm"] .mobile-buy {
    color: #ffffff;
  }

  .prototype-index {
    padding: 44px 18px;
  }

  .prototype-index__header h1 {
    font-size: 42px;
  }

  .prototype-card {
    display: block;
  }

  .prototype-card img {
    aspect-ratio: 1.35;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid #141414;
  }
}

@media (max-width: 390px) {
  .hero h1,
  [data-concept="editorial"] .hero h1 {
    font-size: 48px;
  }

  [data-concept="workbook"] .hero h1 {
    font-size: 41px;
  }

  .hero__lead {
    font-size: 18px;
  }

  .hero__detail {
    font-size: 13px;
  }

  .hero__cover {
    width: 98px;
  }

  .section h2,
  .transition-band h2,
  .purchase__copy h2 {
    font-size: 33px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}