:root {
  color-scheme: light;
  --brand-navy: #142d4c;
  --brand-coral: #f49b9a;
  --brand-coral-deep: #d96f6c;
  --brand-gold: #e2b14b;
  --brand-sage: #a8c3b0;
  --brand-sky: #8baac4;
  --brand-paper: #f6f1ea;
  --paper-light: #fffdf7;
  --paper-warm: #fbf5ec;
  --ink-soft: #4a5668;
  --line: rgba(20, 45, 76, 0.14);
  --shadow-soft: 0 22px 55px rgba(28, 45, 70, 0.13);
  --shadow-book: 0 36px 90px rgba(33, 45, 62, 0.25);
  --wide-page-max: 1720px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: ui-rounded, "Avenir Next", "Nunito Sans", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 96px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--brand-paper);
  color: var(--brand-navy);
  font-family: var(--sans);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

:focus-visible {
  outline: 3px solid rgba(226, 177, 75, 0.88);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 80px;
  padding: 12px clamp(20px, 5vw, 84px);
  border-bottom: 1px solid rgba(20, 45, 76, 0.1);
  background: rgba(255, 253, 247, 0.92);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-badge {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.brand-name {
  font-family: var(--serif);
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 700;
  line-height: 0.95;
  white-space: nowrap;
}

.brand-name span {
  color: var(--brand-coral-deep);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
  font-size: 14px;
  font-weight: 850;
}

.nav-links a,
.site-footer a {
  transition: color 180ms ease;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--brand-coral-deep);
}

.header-cta,
.primary-button,
.secondary-button,
.amazon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 23px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 850;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.header-cta,
.primary-button {
  border: 1px solid #e78583;
  background: var(--brand-coral);
  color: #142d4c;
  box-shadow: 0 12px 24px rgba(244, 155, 154, 0.2);
}

.secondary-button {
  border: 1px solid rgba(20, 45, 76, 0.2);
  background: rgba(255, 253, 247, 0.82);
  color: var(--brand-navy);
}

.header-cta:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.header-cta:hover,
.primary-button:hover {
  background: #ef8987;
  box-shadow: 0 16px 30px rgba(244, 155, 154, 0.3);
}

.secondary-button:hover {
  border-color: rgba(20, 45, 76, 0.36);
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(28, 45, 70, 0.08);
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--brand-coral-deep);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #f2c75c;
}

.book-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(430px, 0.78fr);
  gap: clamp(40px, 7vw, 120px);
  align-items: center;
  min-height: calc(100svh - 80px);
  padding: clamp(76px, 9vw, 138px) max(28px, calc((100vw - 1540px) / 2));
  overflow: hidden;
  border-bottom: 1px solid rgba(20, 45, 76, 0.1);
  background:
    radial-gradient(circle at 88% 18%, rgba(139, 170, 196, 0.26), transparent 32%),
    radial-gradient(circle at 18% 6%, rgba(226, 177, 75, 0.2), transparent 27%),
    linear-gradient(145deg, #fffdf8 0%, #fbf3e6 58%, #f2e8d9 100%);
}

.book-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(20, 45, 76, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 45, 76, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(90deg, transparent, black 65%, transparent);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.book-hero h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(52px, 6.4vw, 106px);
  line-height: 0.88;
  letter-spacing: -0.055em;
}

.book-hero h1 em {
  display: block;
  margin: 0.12em 0 0.06em;
  color: var(--brand-coral-deep);
  font-family: var(--sans);
  font-size: 0.34em;
  font-style: normal;
  font-weight: 850;
  letter-spacing: 0.03em;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 24px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.6vw, 23px);
  font-weight: 590;
  line-height: 1.55;
}

.book-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 22px;
  margin-bottom: 30px;
  color: var(--brand-navy);
  font-size: 13px;
  font-weight: 850;
}

.book-facts span {
  position: relative;
  padding-left: 15px;
}

.book-facts span::before {
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-gold);
  content: "";
}

.hero-actions,
.launch-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.launch-note {
  max-width: 620px;
  margin: 18px 0 0;
  color: #6b7482;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.book-stage {
  position: relative;
  z-index: 2;
  width: min(100%, 630px);
  justify-self: center;
  padding: 28px 28px 42px;
}

.book-cover-wrap {
  position: relative;
  z-index: 2;
  width: min(100%, 520px);
  margin: 0 auto;
  transform: perspective(1200px) rotateY(-6deg) rotateX(1deg) rotateZ(1deg);
  transform-origin: center bottom;
}

.book-cover-wrap::before {
  position: absolute;
  inset: 1.2% auto 1.2% -12px;
  z-index: -1;
  width: 22px;
  border-radius: 4px 0 0 4px;
  background: linear-gradient(90deg, #c7bba7, #f5ead6 38%, #b8aa94 100%);
  box-shadow: -10px 18px 25px rgba(39, 48, 61, 0.16);
  content: "";
}

.book-cover {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 3px 8px 8px 3px;
  box-shadow: var(--shadow-book);
}

.orbit-line {
  position: absolute;
  top: 5%;
  left: -3%;
  width: 66%;
  aspect-ratio: 1.5;
  border-top: 2px dashed rgba(20, 45, 76, 0.26);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.orbit-line::after {
  position: absolute;
  top: -9px;
  right: -3px;
  width: 25px;
  height: 18px;
  background: var(--brand-navy);
  clip-path: polygon(0 42%, 100% 0, 64% 100%, 47% 58%);
  content: "";
  transform: rotate(8deg);
}

.stage-caption {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  width: min(100%, 520px);
  margin: 25px auto 0;
  color: var(--brand-navy);
  font-size: 13px;
}

.stage-caption strong {
  text-transform: uppercase;
  letter-spacing: 0.13em;
}

.stage-caption span {
  color: var(--ink-soft);
  font-weight: 700;
}

.journey-section {
  padding: 80px clamp(20px, 6vw, 96px) 92px;
  background: var(--paper-light);
}

.journey-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) minmax(420px, 1fr);
  gap: 42px;
  align-items: start;
  max-width: 1240px;
  margin: 0 auto 52px;
}

.journey-heading h2,
.preview-copy h2,
.section-heading h2,
.next-copy h2,
.launch-copy h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.journey-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  max-width: 1240px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.journey-line::before {
  position: absolute;
  top: 18px;
  right: 7%;
  left: 7%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-coral), var(--brand-gold), var(--brand-sky));
  content: "";
}

.journey-line li {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 850;
  text-align: center;
}

.journey-line span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 4px solid var(--paper-light);
  border-radius: 50%;
  background: var(--brand-navy);
  color: #ffffff;
  font-size: 11px;
}

.preview-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.65fr) minmax(560px, 1.35fr);
  gap: clamp(42px, 6vw, 92px);
  align-items: center;
  padding: 96px max(24px, calc((100vw - 1500px) / 2));
  background: var(--brand-navy);
  color: #ffffff;
}

.preview-copy {
  min-width: 0;
  max-width: 520px;
}

.preview-copy h2 {
  margin-bottom: 21px;
}

.preview-copy > p:not(.eyebrow) {
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  font-weight: 560;
  line-height: 1.58;
}

.preview-tabs {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.preview-tab {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 15px 4px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  transition:
    padding-left 180ms ease,
    color 180ms ease;
}

.preview-tab span {
  color: #f2c75c;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.preview-tab:hover,
.preview-tab.is-active {
  padding-left: 12px;
  color: #ffffff;
}

.spread-viewer {
  min-width: 0;
  margin: 0;
}

.spread-frame {
  position: relative;
  overflow: hidden;
  border: 10px solid #f6ead7;
  border-radius: 5px 12px 12px 5px;
  background: #f6ead7;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.32);
  transform: perspective(1600px) rotateY(-2deg);
}

.spread-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(20, 45, 76, 0.18);
  content: "";
  pointer-events: none;
}

.spread-frame img {
  width: 100%;
  aspect-ratio: 1.969 / 1;
  object-fit: cover;
  transition: opacity 180ms ease;
}

.spread-frame img.is-changing {
  opacity: 0.18;
}

.book-gutter {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 26px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(12, 29, 47, 0.22), transparent);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.spread-viewer figcaption {
  margin: 17px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 750;
  text-align: right;
}

.brand-values {
  padding: 92px clamp(20px, 6vw, 96px);
  background:
    radial-gradient(circle at 90% 10%, rgba(168, 195, 176, 0.22), transparent 28%),
    var(--paper-light);
}

.section-heading {
  max-width: 850px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 15px;
}

.section-heading > p:last-child,
.next-copy > p:last-child,
.launch-copy > p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 17px;
  font-weight: 560;
  line-height: 1.6;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  max-width: 1240px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-card {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 30px 24px;
  border-right: 1px solid var(--line);
}

.value-card:last-child {
  border-right: 0;
}

.value-icon {
  width: 55px;
  height: 55px;
  object-fit: contain;
}

.value-card h3 {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.value-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 560;
  line-height: 1.5;
}

.next-adventures {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(560px, 1.25fr);
  gap: clamp(44px, 8vw, 120px);
  align-items: center;
  padding: 94px max(24px, calc((100vw - 1460px) / 2));
  background: linear-gradient(145deg, #f4eadb, #fffaf0 65%);
}

.next-copy {
  max-width: 560px;
}

.next-copy h2 {
  margin-bottom: 22px;
}

.next-stories {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.next-story {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 5px;
  background: var(--brand-navy);
  box-shadow: var(--shadow-soft);
}

.next-story img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.82);
  transition: transform 500ms ease;
}

.next-story:first-child img {
  object-position: 70% 10%;
}

.next-story:nth-child(2) img {
  object-position: 64% 8%;
}

.next-story:hover img {
  transform: scale(1.025);
}

.next-story::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 26, 58, 0.9), transparent 58%);
  content: "";
}

.next-story div {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  color: #ffffff;
}

.next-story span {
  display: block;
  margin-bottom: 8px;
  color: #f2c75c;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.next-story h3 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(25px, 2.3vw, 34px);
  line-height: 1.03;
}

.launch-section {
  display: grid;
  grid-template-columns: minmax(180px, 320px) minmax(400px, 760px);
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
  justify-content: center;
  padding: 88px clamp(24px, 7vw, 110px);
  background:
    radial-gradient(circle at 17% 20%, rgba(226, 177, 75, 0.17), transparent 26%),
    var(--brand-navy);
  color: #ffffff;
}

.launch-cover {
  width: 100%;
  border-radius: 3px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
  transform: rotate(-2.5deg);
}

.launch-copy h2 {
  margin-bottom: 20px;
}

.launch-copy > p:not(.eyebrow) {
  max-width: 670px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.72);
}

.amazon-button {
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.66);
  cursor: default;
}

.secondary-button.dark {
  border-color: rgba(255, 255, 255, 0.25);
  background: #ffffff;
  color: var(--brand-navy);
}

.secondary-button.dark:hover {
  border-color: #ffffff;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px clamp(20px, 6vw, 96px);
  background: #061a3a;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer > a:last-child {
  justify-self: end;
}

.footer-brand img {
  width: 37px;
  height: 37px;
  border-radius: 50%;
}

.footer-brand span {
  color: #ffffff;
  font-family: var(--serif);
  font-size: 17px;
}

@media (min-width: 1800px) {
  .site-header {
    padding-right: max(84px, calc((100vw - var(--wide-page-max)) / 2));
    padding-left: max(84px, calc((100vw - var(--wide-page-max)) / 2));
  }
}

@media (max-width: 1120px) {
  .book-hero {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
    min-height: auto;
  }

  .preview-section,
  .next-adventures {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-copy,
  .next-copy {
    max-width: 760px;
  }

  .preview-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .preview-tab {
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-start;
    height: 100%;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 0;
  }

  .value-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 0;
  }

  .value-card {
    border-bottom: 1px solid var(--line);
  }

  .value-card:nth-child(3) {
    border-right: 0;
  }
}

@media (max-width: 880px) {
  .site-header {
    position: relative;
    flex-wrap: wrap;
    min-height: 0;
    gap: 14px 20px;
  }

  .brand {
    flex: 1 1 auto;
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding: 4px 0 2px;
  }

  .header-cta {
    min-height: 43px;
    padding: 0 16px;
    font-size: 12px;
  }

  .book-hero {
    grid-template-columns: 1fr;
    padding-top: 66px;
    text-align: center;
  }

  .hero-copy {
    max-width: 720px;
    margin: 0 auto;
  }

  .book-hero h1,
  .hero-text,
  .launch-note {
    margin-right: auto;
    margin-left: auto;
  }

  .book-facts,
  .hero-actions {
    justify-content: center;
  }

  .book-stage {
    width: min(100%, 560px);
  }

  .journey-heading {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .journey-line {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px 0;
  }

  .journey-line::before {
    display: none;
  }

  .launch-section {
    grid-template-columns: minmax(150px, 230px) 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .site-footer > a:last-child {
    justify-self: center;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand-badge {
    width: 47px;
    height: 47px;
  }

  .brand-name {
    font-size: 26px;
  }

  .header-cta {
    flex: 1 1 100%;
  }

  .nav-links {
    justify-content: space-between;
    gap: 14px;
    font-size: 13px;
  }

  .book-hero {
    gap: 34px;
    padding: 54px 16px 64px;
  }

  .book-hero h1 {
    font-size: clamp(48px, 16vw, 72px);
  }

  .hero-text {
    font-size: 17px;
  }

  .hero-actions,
  .launch-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .amazon-button {
    width: 100%;
  }

  .book-stage {
    padding: 18px 22px 20px;
  }

  .stage-caption {
    align-items: center;
    flex-direction: column;
    gap: 5px;
  }

  .journey-section,
  .brand-values,
  .next-adventures,
  .launch-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .journey-section,
  .brand-values,
  .next-adventures {
    padding-top: 70px;
    padding-bottom: 74px;
  }

  .journey-heading {
    margin-bottom: 38px;
  }

  .journey-heading h2,
  .preview-copy h2,
  .section-heading h2,
  .next-copy h2,
  .launch-copy h2 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .preview-section {
    gap: 38px;
    padding: 72px 16px;
  }

  .preview-tabs {
    display: flex;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
  }

  .preview-tabs::-webkit-scrollbar {
    display: none;
  }

  .preview-tab {
    flex: 0 0 42%;
    min-width: 126px;
    scroll-snap-align: start;
  }

  .spread-frame {
    border-width: 5px;
  }

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

  .value-card,
  .value-card:nth-child(3) {
    grid-template-columns: 55px 1fr;
    border-right: 0;
  }

  .next-stories {
    grid-template-columns: 1fr;
  }

  .next-story,
  .next-story img {
    min-height: 380px;
  }

  .launch-section {
    grid-template-columns: 1fr;
    padding-top: 76px;
    padding-bottom: 76px;
    text-align: center;
  }

  .launch-cover {
    width: min(68%, 250px);
    margin: 0 auto;
  }
}

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