:root {
  --paper: #f3eee3;
  --paper-deep: #e7dfd1;
  --paper-bright: #fffaf0;
  --ink: #171914;
  --ink-soft: #4d4e47;
  --night: #0b2421;
  --night-raised: #123531;
  --copper: #b66b43;
  --copper-ink: #8c4527;
  --copper-bright: #dc9b72;
  --moss: #476a5a;
  --blue: #506d82;
  --plum: #76505d;
  --rule: rgba(23, 25, 20, 0.2);
  --rule-light: rgba(255, 250, 240, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --measure: 72rem;
  --gutter: clamp(1.15rem, 4vw, 4.5rem);
  --section: clamp(4.5rem, 9vw, 9rem);
  --shadow-cover: 1.25rem 1.75rem 3.5rem rgba(4, 13, 11, 0.28);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 20rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

html[lang="ja"] body { line-break: strict; word-break: normal; }

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 0.2rem solid var(--copper-bright);
  outline-offset: 0.25rem;
}

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  background: var(--paper-bright);
  color: var(--night);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: 5rem;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto auto;
  align-items: center;
  gap: 1.5rem;
  color: var(--paper-bright);
  background: rgba(11, 36, 33, 0.97);
  border-bottom: 1px solid var(--rule-light);
}

.site-brand {
  width: max-content;
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  color: inherit;
  text-decoration: none;
  letter-spacing: -0.04em;
}

.site-brand strong { font-size: 1.15rem; font-weight: 850; }
.site-brand em { font-family: var(--serif); font-size: 1.05rem; font-weight: 400; }

.breadcrumb {
  width: min(100%, var(--measure));
  margin: 0 auto 1.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: rgba(255, 250, 240, 0.58);
  font-size: 0.63rem;
  letter-spacing: 0.09em;
  list-style: none;
  text-transform: uppercase;
}

.breadcrumb li + li::before { content: "/"; margin-right: 0.45rem; opacity: 0.55; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--paper-bright); }
.book-main > .breadcrumbs .breadcrumb {
  margin-bottom: 0;
  padding: 0.8rem var(--gutter);
  color: var(--ink-soft);
}
.book-main > .breadcrumbs .breadcrumb a:hover { color: var(--copper-ink); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: inherit;
  font-family: var(--serif);
  font-style: italic;
  text-underline-offset: 0.24em;
}

.primary-nav,
[data-site-menu] {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.4rem);
}

.primary-nav a,
[data-site-menu] a,
.language-toggle,
.menu-toggle {
  color: inherit;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

.primary-nav a,
[data-site-menu] a { opacity: 0.72; }
.primary-nav a:hover,
[data-site-menu] a:hover,
.primary-nav a[aria-current="page"],
[data-site-menu] a[aria-current="page"] { opacity: 1; }

.menu-toggle {
  display: none;
  padding: 0.65rem;
  border: 1px solid var(--rule-light);
  background: transparent;
}

.language-control { position: relative; justify-self: end; }

.language-toggle {
  min-width: 3.6rem;
  padding: 0.7rem 0.8rem;
  background: transparent;
  border: 1px solid var(--rule-light);
  cursor: pointer;
}

.language-popover,
[data-language-menu] {
  position: absolute;
  z-index: 110;
  top: calc(100% + 0.7rem);
  right: 0;
  width: min(20rem, calc(100vw - 2rem));
  padding: 0.5rem;
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--paper-bright);
  color: var(--ink);
  border: 1px solid var(--rule);
  box-shadow: 0 1.5rem 4rem rgba(3, 14, 12, 0.3);
}

.language-popover[data-open="true"],
[data-language-menu][data-open="true"] { display: grid; }

.language-option {
  padding: 0.72rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.78rem;
  text-decoration: none;
}

.language-option:hover,
.language-option[aria-current="true"] { background: var(--paper-deep); }
.language-option[aria-current="true"] { font-weight: 800; }

.locale-recommendation {
  position: relative;
  z-index: 90;
  padding: 0.7rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: var(--copper);
  color: #fff;
  font-size: 0.8rem;
  text-align: center;
}

.locale-recommendation a { font-weight: 850; }
.locale-recommendation button {
  padding: 0.2rem 0.45rem;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.eyebrow,
.kicker,
.section-kicker,
.folio-label {
  margin: 0 0 1rem;
  color: var(--copper-ink);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.gateway .eyebrow,
.home-hero .eyebrow,
.book-hero .eyebrow,
.preview-section .eyebrow,
.series-hero .eyebrow,
.author-hero .eyebrow {
  color: var(--copper-bright);
}

.button,
.primary-action,
.secondary-action,
.edition-link,
.preview-open {
  min-height: 3.15rem;
  padding: 0.9rem 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px solid currentColor;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.button-primary,
.primary-action {
  background: var(--paper-bright);
  color: var(--night);
  border-color: var(--paper-bright);
}

.button-primary:hover,
.primary-action:hover { background: var(--copper-bright); border-color: var(--copper-bright); }

.button-secondary,
.secondary-action { background: transparent; }

.home-hero {
  position: relative;
  min-height: calc(100svh - 5rem);
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  overflow: hidden;
  background: var(--night);
  color: var(--paper-bright);
}

.home-hero::before,
.home-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(255, 250, 240, 0.1);
  border-radius: 50%;
}

.home-hero::before { width: 48vw; aspect-ratio: 1; right: -16vw; top: -20vw; }
.home-hero::after { width: 26vw; aspect-ratio: 1; left: -13vw; bottom: -17vw; }

.home-hero__copy,
.home-hero__covers { position: relative; z-index: 1; }

.home-hero h1,
.gateway-hero h1,
.book-copy h1,
.series-hero h1,
.author-hero h1,
.catalogue-hero h1,
.not-found-page h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.home-hero h1 { max-width: 8ch; font-size: clamp(4rem, 8.5vw, 8.4rem); }

.home-hero__deck,
.hero-deck {
  max-width: 38rem;
  margin: 2rem 0 2.2rem;
  color: rgba(255, 250, 240, 0.75);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.5;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-author-mark {
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--copper-bright);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
}

.hero-author-mark::before { content: ""; width: 3.5rem; height: 1px; background: currentColor; }

.home-hero__covers {
  min-height: 38rem;
  display: grid;
  place-items: center;
}

.hero-cover {
  position: absolute;
  width: min(18rem, 45vw);
  box-shadow: var(--shadow-cover);
  transform-origin: 50% 100%;
}

.hero-cover:nth-child(1) { z-index: 3; transform: translate(-7%, -2%) rotate(-3deg); }
.hero-cover:nth-child(2) { z-index: 2; transform: translate(39%, 4%) rotate(6deg); }
.hero-cover:nth-child(3) { z-index: 1; transform: translate(-48%, 10%) rotate(-10deg); }

.cover-picture,
.cover-image { width: 100%; height: 100%; }
.cover-image { aspect-ratio: 2 / 3; object-fit: cover; background: var(--night-raised); }

.section,
.published-section,
.series-portals,
.author-signature,
.imprint-note,
.faq-section,
.catalogue-main,
.book-story,
.editions-panel,
.preview-section,
.book-details-section,
.related-section,
.series-grid-section,
.author-principles,
.bibliography-section {
  padding: var(--section) var(--gutter);
}

.section-inner,
.section-head,
.book-grid,
.series-portal-grid,
.faq-list,
.catalogue-controls,
.catalogue-grid,
.book-story__inner,
.editions-panel__inner,
.preview-section__inner,
.book-details,
.related-grid,
.series-grid,
.author-principles__inner,
.bibliography-grid {
  width: min(100%, var(--measure));
  margin-inline: auto;
}

.section-head {
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  align-items: end;
  gap: 3rem;
}

.section-head h2,
.author-signature h2,
.imprint-note h2,
.faq-section h2,
.book-story h2,
.editions-panel h2,
.preview-section h2,
.related-section h2,
.author-principles h2,
.bibliography-section h2 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5.5vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.section-head > p,
.section-intro { max-width: 38rem; margin: 0; color: var(--ink-soft); }

.book-grid,
.catalogue-grid,
.series-grid,
.related-grid,
.bibliography-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(2.2rem, 4vw, 4.5rem) clamp(1.2rem, 3vw, 2.6rem);
}

.book-card {
  min-width: 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
}

.book-card[hidden] { display: none; }

.book-card__cover {
  position: relative;
  display: block;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--night-raised);
  box-shadow: 0.75rem 1rem 2.2rem rgba(17, 24, 20, 0.16);
}

.book-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.book-card__cover img { transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.25, 1); }
.book-card:hover .book-card__cover img { transform: scale(1.018); }

.book-card__body { padding-top: 1.25rem; }
.book-card__series { margin: 0 0 0.45rem; color: var(--copper-ink); font-size: 0.62rem; font-weight: 850; letter-spacing: 0.13em; text-transform: uppercase; }
.book-card__title { margin: 0; font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.65rem); font-weight: 400; line-height: 1.08; }
.book-card__title a { text-decoration: none; }
.book-card__title a:hover { color: var(--copper-ink); }
.book-card__hook { margin: 0.7rem 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: 0.94rem; line-height: 1.5; }

.availability-badge {
  width: fit-content;
  margin-top: 0.9rem;
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.57rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.availability-badge.is-published { border-color: var(--moss); color: var(--moss); }

.series-portals { background: var(--night); color: var(--paper-bright); }
.series-portals .section-head > p { color: rgba(255, 250, 240, 0.65); }

.series-portal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule-light); }

.series-card {
  min-height: 28rem;
  padding: clamp(2rem, 4vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--rule-light);
  color: inherit;
  text-decoration: none;
}

.series-card:last-child { border-right: 0; }
.series-card[data-series="provenance"] { --series-accent: var(--copper-bright); }
.series-card[data-series="otherwise"] { --series-accent: #8db1bd; }
.series-card[data-series="intimate-laws"],
.series-card[data-series="intimate"] { --series-accent: #c893a3; }
.series-card:hover { background: rgba(255, 250, 240, 0.055); }
.series-card .series-number { color: var(--series-accent); font-family: var(--serif); font-style: italic; }
.series-card h3 { max-width: 9ch; margin: auto 0 1rem; font-family: var(--serif); font-size: clamp(2rem, 3.6vw, 3.5rem); font-weight: 400; line-height: 0.98; }
.series-card p { max-width: 30ch; margin: 0; color: rgba(255, 250, 240, 0.65); }

.author-signature {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  align-items: center;
  gap: clamp(3rem, 9vw, 10rem);
  background: var(--paper-deep);
}

.author-signature h2 { max-width: 11ch; }
.author-signature__copy { max-width: 38rem; font-family: var(--serif); font-size: 1.2rem; }

.author-name-display {
  position: relative;
  padding: 2rem 0;
  color: var(--night);
  font-family: var(--serif);
  font-size: clamp(3.2rem, 8vw, 8rem);
  letter-spacing: -0.07em;
  line-height: 0.8;
}

.author-name-display::before,
.author-name-display::after { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: var(--rule); }
.author-name-display::before { top: 0; }
.author-name-display::after { bottom: 0; }

.imprint-note { background: var(--copper); color: #fff; }
.imprint-note__inner { width: min(100%, var(--measure)); margin: auto; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 5rem; }
.imprint-note h2 { max-width: 12ch; }
.imprint-note p { max-width: 34rem; margin: 0; font-family: var(--serif); font-size: 1.15rem; }

.faq-list { border-top: 1px solid var(--rule); }
.faq-list details { border-bottom: 1px solid var(--rule); }
.faq-list summary { padding: 1.35rem 3rem 1.35rem 0; cursor: pointer; font-family: var(--serif); font-size: 1.2rem; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; margin-right: -2rem; color: var(--copper); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 48rem; margin: 0 0 1.5rem; color: var(--ink-soft); }

.gateway-page { background: var(--night); color: var(--paper-bright); }
.gateway { min-height: calc(100svh - 5rem); padding: var(--section) var(--gutter); }
.gateway-hero { width: min(100%, var(--measure)); margin: auto; }
.gateway-hero h1 { max-width: 12ch; font-size: clamp(4rem, 9vw, 9rem); }
.gateway-hero > p { max-width: 44rem; color: rgba(255, 250, 240, 0.7); font-family: var(--serif); font-size: 1.2rem; }
.gateway-languages { width: min(100%, var(--measure)); margin: 4rem auto 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--rule-light); border-left: 1px solid var(--rule-light); }
.language-choice { min-height: 7.5rem; padding: 1.2rem; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--rule-light); border-bottom: 1px solid var(--rule-light); text-decoration: none; }
.language-choice:hover,
.language-choice.is-suggested { background: rgba(255, 250, 240, 0.08); }
.language-choice strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.language-choice span { color: var(--copper-bright); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.14em; }

.catalogue-hero,
.series-hero,
.author-hero {
  padding: var(--section) var(--gutter);
  background: var(--night);
  color: var(--paper-bright);
}

.catalogue-hero__inner,
.series-hero__inner,
.author-hero__inner { width: min(100%, var(--measure)); margin: auto; }
.catalogue-hero h1,
.series-hero h1,
.author-hero h1 { max-width: 14ch; font-size: clamp(3.5rem, 8vw, 8rem); }
.catalogue-hero p,
.series-hero p,
.author-hero p { max-width: 44rem; color: rgba(255, 250, 240, 0.7); font-family: var(--serif); font-size: 1.2rem; }

.catalogue-controls {
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: 1.25rem 0;
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(0, 1.5fr) auto;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.catalogue-search { position: relative; }
.catalogue-search input,
[data-catalog-search] {
  width: 100%;
  min-height: 3.2rem;
  padding: 0.75rem 1rem;
  background: var(--paper-bright);
  border: 1px solid var(--rule);
  color: var(--ink);
}

.catalogue-filters { display: flex; flex-wrap: wrap; gap: 0.4rem; }
[data-catalog-filter] {
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  cursor: pointer;
}
[data-catalog-filter]:hover,
[data-catalog-filter].is-active,
[data-catalog-filter][aria-pressed="true"] { background: var(--night); border-color: var(--night); color: var(--paper-bright); }
.catalogue-count { white-space: nowrap; font-size: 0.75rem; color: var(--ink-soft); }
.catalogue-card { content-visibility: auto; contain-intrinsic-size: 31rem; }
.catalogue-empty { grid-column: 1 / -1; padding: 4rem 0; text-align: center; }

.book-hero {
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(16rem, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  background: var(--night);
  color: var(--paper-bright);
}

.book-cover-stage { width: min(100%, 31rem); justify-self: end; }
.book-cover-stage .cover-picture { box-shadow: var(--shadow-cover); }
.book-copy { max-width: 47rem; }
.book-copy h1 { max-width: 15ch; font-size: clamp(3.2rem, 7vw, 7.2rem); }
.book-byline { margin: 1rem 0 0; color: var(--copper-bright); font-family: var(--serif); font-size: 1.12rem; font-style: italic; }
.book-hook { max-width: 38rem; margin: 2rem 0; color: rgba(255, 250, 240, 0.78); font-family: var(--serif); font-size: clamp(1.2rem, 2.2vw, 1.55rem); line-height: 1.45; }
.book-hero .availability-badge { border-color: var(--rule-light); color: rgba(255, 250, 240, 0.72); }
.book-hero .availability-badge.is-published { border-color: #91c2a8; color: #bde2ca; }

.book-story__inner { display: grid; grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.28fr); gap: clamp(3rem, 8vw, 8rem); }
.book-blurb { max-width: 46rem; color: #34362f; font-family: var(--serif); font-size: clamp(1.08rem, 1.7vw, 1.25rem); line-height: 1.72; }
.book-blurb p { margin: 0 0 1.45rem; }
.book-closing { margin-top: 2rem !important; padding-top: 1.5rem; border-top: 1px solid var(--rule); color: var(--copper-ink); font-style: italic; }

.editions-panel { background: var(--paper-deep); }
.editions-panel__inner { display: grid; grid-template-columns: minmax(15rem, 0.75fr) minmax(0, 1.25fr); gap: clamp(3rem, 7vw, 7rem); }
.edition-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.edition-link { flex-direction: column; align-items: flex-start; background: var(--paper-bright); color: var(--night); border-color: var(--rule); text-transform: none; letter-spacing: 0; }
.edition-link strong { font-family: var(--serif); font-size: 1.1rem; font-weight: 400; }
.edition-link span { color: var(--ink-soft); font-size: 0.65rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.edition-link:hover { border-color: var(--copper); }
.other-language-editions { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); }
.other-language-editions ul { padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; }
.other-language-editions a { padding: 0.4rem 0.6rem; border: 1px solid var(--rule); font-size: 0.7rem; text-decoration: none; }

.preview-section { background: var(--night); color: var(--paper-bright); }
.preview-section__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr); align-items: end; gap: 4rem; }
.preview-section p { max-width: 42rem; color: rgba(255, 250, 240, 0.68); }
.preview-open { width: fit-content; background: var(--paper-bright); color: var(--night); }

.preview-dialog {
  width: min(62rem, calc(100vw - 2rem));
  max-height: calc(100svh - 2rem);
  padding: 0;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
}
.preview-dialog::backdrop { background: rgba(4, 13, 11, 0.82); }
.preview-dialog__header { position: sticky; z-index: 2; top: 0; padding: 0.8rem 1rem; display: flex; justify-content: space-between; align-items: center; background: var(--night); color: var(--paper-bright); }
.preview-dialog__header button { padding: 0.5rem 0.7rem; color: inherit; background: transparent; border: 1px solid var(--rule-light); cursor: pointer; }
.preview-pages { padding: clamp(1rem, 5vw, 4rem); }
.preview-page { width: min(100%, 44rem); margin: auto; padding: clamp(1.5rem, 5vw, 4.5rem); background: var(--paper-bright); box-shadow: 0 1.5rem 4rem rgba(17, 24, 20, 0.14); font-family: var(--serif); font-size: 1.08rem; line-height: 1.72; }
.preview-page p { margin: 0 0 1.35rem; color: var(--ink); }
.preview-page p:last-child { margin-bottom: 0; }
.preview-controls { position: sticky; bottom: 0; padding: 0.8rem 1rem; display: flex; align-items: center; justify-content: center; gap: 1rem; background: var(--paper-deep); border-top: 1px solid var(--rule); }
.preview-controls button { min-width: 3rem; min-height: 2.5rem; background: var(--paper-bright); border: 1px solid var(--rule); cursor: pointer; }

.book-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule); }
.book-details > div { padding: 1.2rem 1.2rem 1.2rem 0; border-bottom: 1px solid var(--rule); }
.book-details dt { color: var(--ink-soft); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.book-details dd { margin: 0.35rem 0 0; font-family: var(--serif); font-size: 1.05rem; }

.series-page[data-series="provenance"] { --series-accent: var(--copper); }
.series-page[data-series="otherwise"] { --series-accent: var(--blue); }
.series-page[data-series="intimate-laws"],
.series-page[data-series="intimate"] { --series-accent: var(--plum); }
.series-hero { border-bottom: 0.45rem solid var(--series-accent, var(--copper)); }
.series-description { max-width: 48rem; margin-top: 2rem; color: rgba(255, 250, 240, 0.75); font-family: var(--serif); }
.series-description p { margin: 0 0 1.2rem; }

.author-hero .author-monogram {
  margin-top: 3rem;
  color: var(--copper-bright);
  font-family: var(--serif);
  font-size: clamp(5rem, 16vw, 16rem);
  letter-spacing: -0.1em;
  line-height: 0.7;
  opacity: 0.16;
}
.author-principles__inner { display: grid; grid-template-columns: minmax(14rem, 0.7fr) minmax(0, 1.3fr); gap: clamp(3rem, 8vw, 8rem); }
.principles-list { border-top: 1px solid var(--rule); }
.principle { padding: 1.5rem 0; display: grid; grid-template-columns: minmax(9rem, 0.45fr) 1fr; gap: 1.5rem; border-bottom: 1px solid var(--rule); }
.principle h3 { margin: 0; font-family: var(--serif); font-size: 1.2rem; font-weight: 400; }
.principle p { margin: 0; color: var(--ink-soft); }

.not-found-page main { min-height: 72svh; padding: var(--section) var(--gutter); display: grid; place-items: center; text-align: center; }
.not-found-page h1 { font-size: clamp(3.5rem, 8vw, 7rem); }

.site-footer {
  padding: 3.5rem var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  background: #10130f;
  color: var(--paper-bright);
  border-top: 1px solid var(--rule-light);
}
.site-footer__identity { display: flex; flex-direction: column; gap: 0.35rem; }
.site-footer__identity strong { font-family: var(--serif); font-size: 1.25rem; font-weight: 400; }
.site-footer__identity span,
.site-footer small { color: rgba(255, 250, 240, 0.52); font-size: 0.68rem; }
.site-footer__links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 1rem 1.8rem; }
.site-footer__links a { font-size: 0.65rem; font-weight: 800; letter-spacing: 0.1em; text-decoration: none; text-transform: uppercase; }

.js [data-reveal] { opacity: 0; transform: translateY(1.25rem); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.25, 1); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 72rem) {
  .book-grid,
  .catalogue-grid,
  .series-grid,
  .related-grid,
  .bibliography-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gateway-languages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .catalogue-controls { grid-template-columns: 1fr; }
  .catalogue-count { justify-self: start; }
}

@media (max-width: 56rem) {
  .site-header { grid-template-columns: 1fr auto auto; min-height: 4.5rem; gap: 0.6rem; }
  .menu-toggle { display: block; }
  .primary-nav,
  [data-site-menu] {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem var(--gutter) 1.5rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: var(--night);
    border-top: 1px solid var(--rule-light);
    border-bottom: 1px solid var(--rule-light);
  }
  .primary-nav[data-open="true"],
  [data-site-menu][data-open="true"] { display: flex; }
  .home-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 5rem; }
  .home-hero h1 { max-width: 10ch; }
  .home-hero__covers { min-height: 31rem; margin-top: 1rem; }
  .hero-cover { width: min(15rem, 48vw); }
  .section-head,
  .author-signature,
  .imprint-note__inner,
  .book-story__inner,
  .editions-panel__inner,
  .preview-section__inner,
  .author-principles__inner { grid-template-columns: 1fr; }
  .series-portal-grid { grid-template-columns: 1fr; }
  .series-card { min-height: 20rem; border-right: 0; border-bottom: 1px solid var(--rule-light); }
  .book-hero { grid-template-columns: 1fr; }
  .book-cover-stage { width: min(22rem, 78vw); justify-self: center; }
  .book-copy { order: -1; }
  .book-copy h1 { max-width: 14ch; }
  .edition-list { grid-template-columns: 1fr; }
  .author-principles__inner { gap: 2.5rem; }
  .book-details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 40rem) {
  :root { --gutter: 1.1rem; }
  .site-brand strong { font-size: 1rem; }
  .site-brand em { font-size: 0.92rem; }
  .language-toggle { min-width: 3rem; padding-inline: 0.55rem; }
  .home-hero h1 { font-size: clamp(3.4rem, 17vw, 5.2rem); }
  .home-hero__covers { min-height: 25rem; }
  .hero-cover { width: min(12.5rem, 50vw); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions > * { width: 100%; }
  .book-grid,
  .catalogue-grid,
  .series-grid,
  .related-grid,
  .bibliography-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 0.85rem; }
  .book-card__hook { display: none; }
  .book-card__title { font-size: 1.08rem; }
  .book-card__series { font-size: 0.52rem; }
  .gateway-languages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .language-popover,
  [data-language-menu] { position: fixed; top: 4.5rem; right: 0.5rem; left: 0.5rem; width: auto; }
  .catalogue-filters { flex-wrap: nowrap; margin-inline: -1.1rem; padding-inline: 1.1rem; overflow-x: auto; scrollbar-width: thin; }
  [data-catalog-filter] { flex: 0 0 auto; }
  .book-details { grid-template-columns: 1fr; }
  .principle { grid-template-columns: 1fr; gap: 0.5rem; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer__links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media (forced-colors: active) {
  .book-card__cover::after { display: none; }
  .availability-badge,
  .language-toggle,
  .menu-toggle,
  [data-catalog-filter] { border-color: CanvasText; }
}

@media print {
  .site-header,
  .site-footer,
  .locale-recommendation,
  .catalogue-controls,
  .hero-actions,
  .preview-open { display: none !important; }
  body { background: #fff; color: #000; }
  .book-hero,
  .series-hero,
  .author-hero,
  .catalogue-hero { background: #fff; color: #000; }
  .book-card { break-inside: avoid; }
}