/* ==========================================================================
   ARGUNIMO Publishing — Editorial Design System
   "A World Between Pages."
   ========================================================================== */

:root {
  /* Core Brand Palette */
  --color-paper: #FAF7F0;
  --color-paper-sheet: #FFFDF9;
  --color-paper-warm: #F3EFE4;
  --color-navy: #202B43;
  --color-navy-deep: #172033;
  --color-body: #222D44;
  --color-muted: #4A556C;
  --color-terracotta: #B85B45;
  --color-terracotta-hover: #9E4834;
  --color-gold: #C7A66B;
  --color-lavender: #EAE5F1;
  --color-lavender-deep: #DDD5E8;

  /* Borders & Shadows */
  --border-subtle: rgba(32, 43, 67, 0.12);
  --border-strong: rgba(32, 43, 67, 0.24);
  --border-gold: rgba(199, 166, 107, 0.55);
  --shadow-book: 0 14px 32px -8px rgba(32, 43, 67, 0.16), 0 4px 10px -2px rgba(32, 43, 67, 0.08);
  --shadow-book-hover: 0 20px 40px -10px rgba(32, 43, 67, 0.22), 0 6px 14px -3px rgba(32, 43, 67, 0.11);
  --shadow-card: 0 4px 18px rgba(32, 43, 67, 0.05);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing & Layout */
  --container-max: 1220px;
  --container-narrow: 860px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --transition-gentle: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-paper);
  color: var(--color-body);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-body);
  background-color: var(--color-paper);
  /* Subtle warm paper texture using inline SVG noise */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.024'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-navy);
  color: var(--color-paper);
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

/* Public vs Draft Visibility Rules */
body[data-site-mode="public"] [data-draft-only="true"] {
  display: none !important;
}

body[data-site-mode="draft"] [data-public-only="true"] {
  display: none !important;
}

/* Editorial Preview & Mode Bar (Top Utility Bar) */
.editorial-utility-bar {
  background-color: var(--color-navy-deep);
  color: var(--color-paper);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(199, 166, 107, 0.3);
  padding: 0.5rem 1rem;
}

.editorial-utility-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.utility-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(199, 166, 107, 0.22);
  color: #F3E3C3;
  border: 1px solid rgba(199, 166, 107, 0.45);
}

.utility-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.utility-btn {
  background: rgba(250, 247, 240, 0.1);
  color: var(--color-paper);
  border: 1px solid rgba(250, 247, 240, 0.25);
  border-radius: 3px;
  padding: 0.28rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-gentle), border-color var(--transition-gentle);
}

.utility-btn:hover {
  background: rgba(250, 247, 240, 0.18);
  border-color: var(--color-gold);
}

.utility-btn[aria-pressed="true"] {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: #FFFFFF;
}

.utility-marketplace-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(250, 247, 240, 0.88);
  font-size: 0.78rem;
}

.utility-select {
  background: var(--color-navy);
  color: var(--color-paper);
  border: 1px solid rgba(250, 247, 240, 0.3);
  border-radius: 3px;
  padding: 0.22rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  cursor: pointer;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .serif-heading {
  font-family: var(--font-serif);
  color: var(--color-navy);
  font-weight: 600;
  line-height: 1.18;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.35rem, 4.5vw, 3.6rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  letter-spacing: -0.005em;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

p {
  margin-top: 0;
  margin-bottom: 1.15rem;
}

.overline {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: 0.65rem;
}

/* Muted Gold Decorative Accents */
.gold-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0 1.75rem;
}

.gold-divider--center {
  justify-content: center;
}

.gold-divider__line {
  width: 48px;
  height: 1px;
  background-color: var(--color-gold);
}

.gold-divider__diamond {
  width: 6px;
  height: 6px;
  background-color: var(--color-gold);
  transform: rotate(45deg);
}

/* Containers & Sections */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section--lavender {
  background-color: var(--color-lavender);
}

.section--warm {
  background-color: var(--color-paper-warm);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-header--left {
  margin: 0 0 2.5rem;
  text-align: left;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-paper);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-lockup {
  text-decoration: none;
  color: var(--color-navy);
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-navy);
  line-height: 1.1;
}

.brand-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--color-navy);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-gentle);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-gentle);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--color-terracotta);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  min-height: 44px;
  cursor: pointer;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.75rem 1.65rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-gentle), color var(--transition-gentle), border-color var(--transition-gentle), transform var(--transition-gentle);
}

.btn--primary {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border-color: var(--color-terracotta);
}

.btn--primary:hover {
  background-color: var(--color-terracotta-hover);
  border-color: var(--color-terracotta-hover);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-paper);
}

.btn--ghost {
  background-color: var(--color-paper-sheet);
  color: var(--color-navy);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--color-navy);
  background-color: var(--color-paper-warm);
}

.btn--disabled,
.btn[aria-disabled="true"] {
  background-color: rgba(32, 43, 67, 0.08);
  color: var(--color-muted);
  border-color: rgba(32, 43, 67, 0.18);
  cursor: not-allowed;
  pointer-events: none;
}

/* Hero Section */
.hero {
  padding: clamp(3rem, 6vw, 5.25rem) 0 clamp(3.5rem, 6.5vw, 5.5rem);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-brand-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.hero-brand-eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background-color: var(--color-gold);
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-intro {
  font-size: clamp(1.05rem, 1.4vw, 1.1875rem);
  color: var(--color-body);
  max-width: 54ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* Hero Book Covers Arrangement (Right Column) */
.hero-showcase {
  position: relative;
  padding: 1.5rem;
  background: linear-gradient(180deg, rgba(234, 229, 241, 0.45) 0%, rgba(250, 247, 240, 0.85) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
}

.hero-covers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  align-items: end;
}

.hero-cover-item {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-navy);
  background: var(--color-paper-sheet);
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-book);
  transition: transform var(--transition-gentle), box-shadow var(--transition-gentle), border-color var(--transition-gentle);
}

.hero-cover-item:nth-child(2) {
  transform: translateY(10px);
}

.hero-cover-item:nth-child(3) {
  transform: translateY(-6px);
}

.hero-cover-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-book-hover);
  border-color: var(--color-gold);
}

.hero-cover-frame {
  width: 100%;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-paper);
  overflow: hidden;
}

.hero-cover-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-cover-caption {
  margin-top: 0.6rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.hero-cover-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-navy);
}

.hero-cover-cat {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Three Collection Links Section */
.collections-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.collection-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem 1.75rem;
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-navy);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-gentle), border-color var(--transition-gentle), box-shadow var(--transition-gentle);
}

.collection-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-book);
}

.collection-card__number {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-terracotta);
  margin-bottom: 0.5rem;
}

.collection-card__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 0.65rem;
  color: var(--color-navy);
}

.collection-card__desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.collection-card__cta {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* Book Grid & Cards */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-right: 0.4rem;
}

.filter-btn {
  background: var(--color-paper-sheet);
  color: var(--color-navy);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  min-height: 40px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-gentle), color var(--transition-gentle), border-color var(--transition-gentle);
}

.filter-btn:hover {
  border-color: var(--color-navy);
  background-color: var(--color-paper-warm);
}

.filter-btn[aria-pressed="true"] {
  background-color: var(--color-navy);
  color: var(--color-paper);
  border-color: var(--color-navy);
}

.filter-btn--seasonal[aria-pressed="true"] {
  background-color: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: #FFFFFF;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 2rem;
}

.book-card {
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-gentle), box-shadow var(--transition-gentle), border-color var(--transition-gentle);
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-book);
  border-color: var(--border-gold);
}

.book-card__cover-link {
  display: block;
  padding: 1.5rem 1.5rem 1rem;
  background-color: var(--color-paper-warm);
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
}

.book-card__cover-wrap {
  width: 100%;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-card__cover-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: var(--shadow-book);
}

.book-card__body {
  padding: 1.35rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.badge-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-terracotta);
}

.badge-seasonal {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--color-lavender);
  color: var(--color-navy);
  border: 1px solid var(--border-gold);
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
}

.badge-placeholder {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: rgba(32, 43, 67, 0.08);
  color: var(--color-navy);
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
}

.book-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.book-card__title a {
  color: var(--color-navy);
  text-decoration: none;
}

.book-card__title a:hover {
  color: var(--color-terracotta);
}

.book-card__desc {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.book-card__desc--placeholder {
  font-style: italic;
  background: rgba(234, 229, 241, 0.45);
  border-left: 2px solid var(--color-gold);
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
}

.book-card__footer {
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.discover-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-terracotta);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.discover-link:hover {
  color: var(--color-terracotta-hover);
  text-decoration: underline;
}

/* Interior Preview Gallery (Home & Book Pages) */
.interior-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.interior-card {
  background: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.interior-zoom-trigger {
  appearance: none;
  background: var(--color-paper);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem;
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-gentle), box-shadow var(--transition-gentle);
}

.interior-zoom-trigger:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-card);
}

.interior-zoom-trigger img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
}

.zoom-badge {
  position: absolute;
  right: 0.65rem;
  bottom: 0.65rem;
  background: rgba(32, 43, 67, 0.88);
  color: var(--color-paper);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  pointer-events: none;
}

.interior-caption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0;
}

/* Individual Book Detail Page */
.breadcrumb {
  padding: 1.25rem 0 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumb a {
  color: var(--color-navy);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.book-detail-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4.25rem);
  align-items: start;
}

.book-detail-cover-stage {
  background-color: var(--color-paper-warm);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.book-detail-cover-stage img {
  max-width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: contain;
  box-shadow: var(--shadow-book);
}

.book-subtitle {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-muted);
  margin-top: -0.5rem;
  margin-bottom: 1.25rem;
}

.editorial-placeholder-box {
  background-color: rgba(234, 229, 241, 0.55);
  border: 1px dashed var(--color-navy);
  border-left: 3px solid var(--color-gold);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
  color: var(--color-navy);
}

/* Amazon Purchase Box */
.amazon-purchase-card {
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-strong);
  border-top: 3px solid var(--color-terracotta);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.75rem;
  margin: 1.75rem 0;
  box-shadow: var(--shadow-card);
}

.amazon-purchase-card__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.marketplace-control-group {
  margin: 1rem 0 1.25rem;
}

.marketplace-control-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.marketplace-select {
  width: 100%;
  max-width: 360px;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-navy);
  background-color: var(--color-paper);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.amazon-note {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 0.95rem;
  margin-bottom: 0;
  line-height: 1.5;
}

/* Book Specifications List */
.book-specs {
  margin: 1.75rem 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.book-specs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 0;
}

.book-specs__item {
  background: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

.book-specs__item dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}

.book-specs__item dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-navy);
}

/* Free Printable Downloads Section */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 1.75rem;
}

.download-card {
  background: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.download-preview-wrap {
  background: var(--color-paper);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem;
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-preview-wrap img {
  max-height: 100%;
  object-fit: contain;
}

/* About & Founder Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.founder-card {
  background: var(--color-paper-sheet);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
}

.founder-photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-lavender);
  border: 1px dashed var(--color-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.25rem;
  color: var(--color-navy);
}

/* Footer */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-paper);
  padding: 4rem 0 2.5rem;
  margin-top: auto;
  border-top: 3px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid rgba(250, 247, 240, 0.14);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-paper);
  margin-bottom: 0.35rem;
}

.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-gold);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: rgba(250, 247, 240, 0.88);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(250, 247, 240, 0.72);
}

/* Interior Sample Zoom Lightbox Modal */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(23, 32, 51, 0.92);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
}

.lightbox-backdrop[hidden] {
  display: none !important;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-paper);
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
}

.lightbox-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-paper);
  margin: 0;
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lightbox-btn {
  background: rgba(250, 247, 240, 0.12);
  color: var(--color-paper);
  border: 1px solid rgba(250, 247, 240, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  min-height: 40px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}

.lightbox-btn:hover {
  background: rgba(250, 247, 240, 0.24);
  border-color: var(--color-gold);
}

.lightbox-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  margin: 1rem auto;
  width: 100%;
  max-width: var(--container-max);
}

.lightbox-stage img {
  max-height: 76vh;
  width: auto;
  transition: transform 180ms ease;
  transform-origin: center center;
  background: var(--color-paper);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-footer {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(250, 247, 240, 0.88);
  font-size: 0.9rem;
}

/* ==========================================================================
   Boutique Publisher Enhancements (Features 1–6)
   ========================================================================== */

.badge-audience {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background-color: var(--color-paper-warm);
  color: var(--color-navy);
  border: 1px solid var(--border-strong);
  padding: 0.12rem 0.52rem;
  border-radius: 3px;
}

.ideal-for-box {
  background-color: var(--color-lavender);
  border-left: 3px solid var(--color-terracotta);
  padding: 0.85rem 1.15rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.ideal-for-box strong {
  color: var(--color-navy);
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.2rem;
}

.highlights-card {
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.highlights-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-navy);
}

.highlights-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.highlights-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  color: var(--color-body);
}

.highlights-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-terracotta);
  font-size: 0.85rem;
}

/* Share Bar on Individual Book Pages */
.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-subtle);
}

.share-bar__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-right: 0.25rem;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-paper-sheet);
  color: var(--color-navy);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.38rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-gentle), border-color var(--transition-gentle);
}

.share-btn:hover {
  background: var(--color-paper-warm);
  border-color: var(--color-navy);
}

/* 2027 Planner Comparison Table */
.planner-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.planner-compare-card {
  background: var(--color-paper-sheet);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.planner-compare-header {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.planner-compare-thumb {
  width: 92px;
  flex-shrink: 0;
  box-shadow: var(--shadow-book);
  border-radius: 3px;
}

.planner-compare-specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.planner-compare-specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.planner-compare-specs li span:first-child {
  color: var(--color-muted);
  font-weight: 500;
}

.planner-compare-specs li span:last-child {
  color: var(--color-navy);
  font-weight: 600;
  text-align: right;
}

/* Search Input on Books Collection Page */
.search-bar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  max-width: 420px;
}

.search-input {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-navy);
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.search-input::placeholder {
  color: var(--color-muted);
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background-color: var(--color-paper-sheet);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0 1.25rem;
}

.faq-item[open] {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-card);
}

.faq-question {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-navy);
  padding: 1.1rem 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-question::after {
  content: '+';
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-terracotta);
  flex-shrink: 0;
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding-bottom: 1.15rem;
  font-size: 0.95rem;
  color: var(--color-body);
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 960px) {
  .hero-grid,
  .book-detail-layout,
  .about-grid,
  .planner-compare-grid {
    grid-template-columns: 1fr;
  }

  .collections-trio {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-paper);
    border-bottom: 2px solid var(--color-gold);
    padding: 1.25rem 1.5rem;
    box-shadow: 0 12px 24px rgba(32, 43, 67, 0.12);
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

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

  .hero-covers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-cover-item,
  .hero-cover-item:hover,
  .book-card:hover,
  .collection-card:hover {
    transform: none !important;
  }
}