:root {
  --ink: #151315;
  --muted: #5d565f;
  --paper: #fffaf4;
  --soft: #f7eee9;
  --mint: #cbf0df;
  --lilac: #d9d0ff;
  --rose: #ffd2df;
  --aqua: #c4ecff;
  --accent: #ff5c35;
  --accent-dark: #25140f;
  --line: rgba(21, 19, 21, 0.16);
  --shadow: 0 24px 70px rgba(21, 19, 21, 0.16);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(135deg, rgba(203, 240, 223, 0.55), rgba(217, 208, 255, 0.42) 34%, rgba(255, 210, 223, 0.38) 68%, rgba(196, 236, 255, 0.48)),
    var(--paper);
}

a {
  color: inherit;
}

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

strong {
  font-weight: 800;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 244, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  width: 42px;
  height: auto;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.section,
.section-band {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.section-band {
  padding: clamp(34px, 7vw, 82px) 0 clamp(58px, 8vw, 108px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.07fr) minmax(280px, 0.62fr);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
  min-height: calc(100vh - 62px);
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: #4a394d;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.book-kicker {
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.72);
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
  font-weight: 900;
  line-height: 1.25;
}

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

h1,
h2 {
  line-height: 0.98;
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(3.6rem, 10vw, 9.25rem);
}

h2 {
  max-width: 870px;
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 5.2vw, 5.75rem);
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.2;
}

.hero-subtitle {
  max-width: 760px;
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  line-height: 1.45;
}

.hero-body,
.hero-hook,
.hero-context,
.text-flow,
.section-heading p,
.talk-panel p,
.preorder-card p {
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.1rem);
}

.hero-hook {
  max-width: 760px;
}

.hero-hook p {
  margin-bottom: 0;
}

.hero-context {
  max-width: 820px;
  margin-top: 24px;
}

.hero-context p {
  margin-bottom: 0;
}

.price-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin: 30px 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--ink);
  box-shadow: 9px 9px 0 rgba(21, 19, 21, 0.13);
}

.price-panel div {
  padding: 18px;
  background: rgba(255, 250, 244, 0.92);
}

.price-panel span,
.preorder-action span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.price-panel strong {
  display: block;
  margin-top: 4px;
  font-size: clamp(1.16rem, 2vw, 1.55rem);
  line-height: 1.15;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(21, 19, 21, 0.16);
}

.button-primary {
  background: var(--ink);
  color: #fffdf8;
}

.button-secondary {
  background: rgba(255, 250, 244, 0.72);
  color: var(--ink);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  width: min(420px, 100%);
  margin-inline: auto;
  border: 2px solid var(--ink);
  box-shadow: -18px 18px 0 rgba(255, 92, 53, 0.22), var(--shadow);
  transform: rotate(1.2deg);
}

.hero-visual figcaption {
  max-width: 420px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.text-section,
.promise-section,
.matter-section,
.author-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
}

.section-heading {
  min-width: 0;
}

.section-heading.compact {
  max-width: 820px;
  margin-bottom: 32px;
}

.text-flow p:last-child,
.section-heading p:last-child {
  margin-bottom: 0;
}

.promise-grid,
.matter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.proof-list,
.event-card,
.preorder-action,
.audience-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.82);
  box-shadow: 0 12px 34px rgba(21, 19, 21, 0.08);
}

.proof-list {
  padding: clamp(20px, 3vw, 30px);
}

.proof-list ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.preview-section {
  width: min(1320px, calc(100% - 36px));
}

.preview-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.preview-gallery figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.78);
}

.preview-gallery figure.wide {
  grid-column: span 2;
}

.preview-gallery img {
  width: 100%;
  border: 1px solid rgba(21, 19, 21, 0.1);
  border-radius: 4px;
  background: white;
  box-shadow: 0 12px 28px rgba(21, 19, 21, 0.11);
}

.preview-gallery figcaption {
  width: 100%;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.gallery-note {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

blockquote {
  margin: 0;
  padding: clamp(24px, 4vw, 38px);
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(203, 240, 223, 0.78), rgba(255, 210, 223, 0.72));
  box-shadow: 9px 9px 0 rgba(21, 19, 21, 0.13);
}

blockquote p {
  margin-bottom: 16px;
  font-size: clamp(1.18rem, 2vw, 1.65rem);
  font-weight: 800;
  line-height: 1.35;
}

blockquote cite {
  color: var(--muted);
  font-style: normal;
  font-weight: 900;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.audience-grid article {
  padding: clamp(18px, 2.3vw, 26px);
}

.audience-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.author-copy {
  max-width: 820px;
}

.author-panel {
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  align-items: start;
}

.author-portrait {
  margin: 0;
}

.author-portrait img {
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(203, 240, 223, 0.78);
}

.author-portrait figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.translator-line {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(203, 240, 223, 0.44);
  color: var(--ink);
}

.talk-panel,
.preorder-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: clamp(28px, 5vw, 62px);
  padding: clamp(24px, 5vw, 58px);
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.8);
  box-shadow: var(--shadow);
}

.talk-subtitle {
  color: var(--ink);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 800;
}

.event-card,
.preorder-action {
  padding: clamp(18px, 3vw, 28px);
}

.event-card dl {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
}

.event-card div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.event-card div:last-child {
  border-bottom: 0;
}

dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

dd {
  margin: 3px 0 0;
  font-weight: 800;
}

.preorder-card {
  background: linear-gradient(135deg, rgba(255, 210, 223, 0.58), rgba(196, 236, 255, 0.58)), rgba(255, 250, 244, 0.86);
}

.preorder-action {
  align-self: start;
  background: var(--ink);
  color: #fffdf8;
}

.preorder-action span {
  color: rgba(255, 255, 255, 0.72);
}

.preorder-action strong {
  display: block;
  margin: 4px 0 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.preorder-action .button-primary {
  width: 100%;
  border-color: #fffdf8;
  background: #fffdf8;
  color: var(--ink);
}

.trust-note {
  color: var(--ink);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.82);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 900;
  line-height: 1.35;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.site-footer {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 32px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer p {
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 900;
}

.site-footer address {
  display: grid;
  gap: 6px;
  font-style: normal;
}

.site-footer a {
  color: var(--ink);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.sticky-cta {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 30;
  display: none;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.92);
  box-shadow: 0 12px 30px rgba(21, 19, 21, 0.2);
  backdrop-filter: blur(18px);
}

.sticky-cta .button {
  min-height: 44px;
  padding: 10px 12px;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .hero,
  .text-section,
  .promise-section,
  .matter-section,
  .author-section,
  .talk-panel,
  .preorder-card {
    grid-template-columns: 1fr;
  }

  .author-panel {
    grid-template-columns: 1fr;
  }

  .author-portrait {
    max-width: 280px;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual img {
    width: min(310px, 82vw);
  }

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

@media (max-width: 760px) {
  body {
    padding-bottom: 86px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    white-space: nowrap;
  }

  .section,
  .section-band,
  .preview-section {
    width: min(100% - 28px, var(--max));
  }

  .section {
    padding: 48px 0;
  }

  h1 {
    font-size: clamp(3.1rem, 17vw, 5.4rem);
  }

  h2 {
    font-size: clamp(2rem, 11vw, 3.8rem);
  }

  .price-panel {
    grid-template-columns: 1fr;
  }

  .cta-row,
  .cta-row .button {
    width: 100%;
  }

  .preview-gallery {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    margin-inline: -14px;
    padding: 4px 14px 12px;
    scroll-snap-type: x mandatory;
  }

  .preview-gallery figure,
  .preview-gallery figure.wide {
    flex: 0 0 min(86vw, 420px);
    scroll-snap-align: start;
  }

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

  .sticky-cta {
    display: grid;
  }
}

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

  .button {
    transition: none;
  }
}
