/* ============================================================
   Writers Literary — Brand Stylesheet
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --gold:        #C9A547;
  --gold-hover:  #B8962F;
  --black:       #0A0A0A;
  --white:       #FFFFFF;
  --off-white:   #F9F7F4;
  --gray-light:  #F0EDE8;
  --gray-mid:    #D4D0C8;
  --gray-text:   #6B6860;
  --text:        #1A1A1A;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --max-width:   1200px;
  --header-h:    80px;
  --radius:      4px;
  --transition:  0.25s ease;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.text-center { text-align: center; }
.text-gold   { color: var(--gold); }

.section-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  position: relative;
  display: inline-block;
  margin-bottom: 0.6rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-top: 0.5rem;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  gap: 1rem;
}

.view-all-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}
.view-all-link:hover { color: var(--gold-hover); border-color: var(--gold-hover); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-gold {
  background: var(--gold);
  color: var(--black);
  border: 2px solid var(--gold);
}
.btn-gold:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
  transform: translateY(-1px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
}
.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--black);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
}

/* ---------- Header ---------- */
#site-header { position: sticky; top: 0; z-index: 1000; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gold);
  height: var(--header-h);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 2rem;
}

.header-logo img {
  height: 52px;
  width: auto;
}

/* Main nav */
.main-nav { display: flex; align-items: center; gap: 0; }

.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active { color: var(--gold); }

.main-nav .nav-item { position: relative; }

/* Dropdown */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-top: 3px solid var(--gold);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  z-index: 200;
  overflow: hidden;
}

.nav-item:hover .dropdown-menu { display: block; }

.dropdown-menu li a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  border-radius: 0;
  color: var(--text);
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--off-white);
  border-left-color: var(--gold);
  color: var(--gold);
}

.chevron {
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition);
}
.nav-item:hover .chevron { transform: rotate(180deg); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.75);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .footer-logo img { height: 48px; width: auto; margin-bottom: 1.25rem; }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.6); }

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gold);
  display: inline-block;
}

.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--gold); }

/* ---------- Hero (Homepage) ---------- */
.hero {
  background: var(--black);
  color: var(--white);
  padding: 5rem 0 4rem;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(201,165,71,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  display: block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-tagline {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 440px;
  margin-bottom: 2.25rem;
  font-weight: 300;
  line-height: 1.7;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero Books */
.hero-books {
  display: flex;
  gap: 1.5rem;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.hero-book {
  flex: 1;
  max-width: 220px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition);
}
.hero-book:hover { transform: translateY(-8px); }

.hero-book:first-child { transform: rotate(-3deg); }
.hero-book:first-child:hover { transform: rotate(-3deg) translateY(-10px); }
.hero-book:last-child  { transform: rotate(3deg) translateY(16px); }
.hero-book:last-child:hover  { transform: rotate(3deg) translateY(6px); }

.hero-book-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.hero-book-info {
  margin-top: 1rem;
  padding: 0 0.5rem;
}
.hero-book-info h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 0.2rem;
}
.hero-book-info p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin: 0;
}

/* ---------- Section Padding ---------- */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-dark {
  background: var(--black);
  color: var(--white);
}
.section-dark .section-title,
.section-dark h2,
.section-dark h3 { color: var(--white); }

.section-off-white { background: var(--off-white); }
.section-gray      { background: var(--gray-light); }

/* ---------- Book Cards Grid ---------- */
.books-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.books-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.book-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--gray-light);
}
.book-card:hover {
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  transform: translateY(-4px);
}

.book-card-cover-wrap {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  background: var(--gray-light);
}

.book-card-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.book-card:hover .book-card-cover-wrap img {
  transform: scale(1.03);
}

.book-card-format-badge {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: var(--gold);
  color: var(--black);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.book-card-body {
  padding: 1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.book-card-author {
  font-size: 0.82rem;
  color: var(--gray-text);
  margin-bottom: 0.75rem;
}

.book-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.book-card-price {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gold);
}

/* Dark variant for sections on dark bg */
.section-dark .book-card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}
.section-dark .book-card-title { color: var(--white); }

/* ---------- Category Page Banner ---------- */
.category-banner {
  background: var(--black);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.category-banner::before {
  content: '';
  position: absolute;
  left: -100px; top: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,165,71,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.category-banner-inner {
  position: relative; z-index: 1;
}

.category-banner-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}

.category-banner h1 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.category-banner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  font-weight: 300;
}

.category-banner .gold-line {
  width: 80px;
  height: 3px;
  background: var(--gold);
  margin: 1rem 0;
}

/* ---------- Category Grid Page ---------- */
.category-section { padding: 4rem 0 5rem; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

/* ---------- Book Detail Page ---------- */
.book-detail { padding: 4rem 0 5rem; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--gray-text);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--gold); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--gray-mid); }

.book-detail-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 4rem;
  align-items: start;
}

.book-cover-col {}
.book-cover-main {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
}

.book-detail-col {}

.book-detail-publisher {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
  display: block;
}

.book-detail-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.book-detail-author {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--gray-text);
  margin-bottom: 1.5rem;
}

.book-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.meta-tag {
  background: var(--gray-light);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--gray-mid);
}

.meta-tag.highlight {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.book-price-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.book-price-big {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}

.book-detail-description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.book-review-quote {
  border-left: 3px solid var(--gold);
  padding: 0.75rem 1.25rem;
  background: var(--off-white);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 2rem;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gray-text);
}

/* ---------- About Page ---------- */
.about-hero {
  background: var(--black);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
}

.about-hero h1 { color: var(--white); margin-bottom: 1rem; }
.about-hero p {
  color: rgba(255,255,255,0.7);
  max-width: 620px;
  margin-inline: auto;
  font-size: 1.1rem;
  font-weight: 300;
}

.about-section { padding: 5rem 0; }
.about-section:nth-child(even) { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.pull-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-style: italic;
  font-weight: 400;
  color: var(--black);
  border-left: 4px solid var(--gold);
  padding: 1.5rem 2rem;
  background: var(--off-white);
  line-height: 1.4;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.value-card {
  padding: 2rem;
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  border-top: 3px solid var(--gold);
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* ---------- Contact Page ---------- */
.contact-section { padding: 5rem 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info p { color: var(--gray-text); margin-bottom: 1.5rem; }

.contact-detail {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.contact-detail-icon {
  width: 42px; height: 42px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-detail-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-text);
  margin-bottom: 0.2rem;
}

.contact-detail-text p {
  font-size: 0.95rem;
  color: var(--text);
  margin: 0;
}

/* Form styles */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,165,71,0.12);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* ---------- Authors Page ---------- */
.authors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.author-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
  border-top: 3px solid var(--gold);
}

.author-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.author-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--black);
}

.author-book-count {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.author-books-list { border-top: 1px solid var(--gray-light); padding-top: 0.85rem; }

.author-book-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-light);
}
.author-book-item:last-child { border-bottom: none; }

.author-book-thumb {
  width: 36px;
  height: 54px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}

.author-book-info a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
  display: block;
  transition: color var(--transition);
}
.author-book-info a:hover { color: var(--gold); }

.author-book-info span {
  font-size: 0.75rem;
  color: var(--gray-text);
}

/* ---------- About Banner (Homepage) ---------- */
.about-banner {
  padding: 5rem 0;
  background: var(--off-white);
  text-align: center;
}

.about-banner .gold-accent {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 1.25rem auto;
}

.about-banner blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-style: italic;
  font-weight: 400;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  line-height: 1.45;
  color: var(--black);
}

/* ---------- Coming Soon Teaser ---------- */
.coming-soon-section {
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 100%);
  padding: 5rem 0;
  color: var(--white);
}

.coming-soon-section .section-title { color: var(--white); }

.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.coming-soon-card {
  position: relative;
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition);
}
.coming-soon-card:hover { transform: translateY(-6px); }

.coming-soon-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  display: block;
  filter: brightness(0.7);
  transition: filter 0.4s ease;
}
.coming-soon-card:hover .coming-soon-cover { filter: brightness(0.85); }

.coming-soon-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}

.coming-soon-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.4rem;
}

.coming-soon-overlay h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 0.15rem;
  line-height: 1.2;
}
.coming-soon-overlay p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.65);
  margin: 0;
}

/* ---------- Page not found / loading states ---------- */
.not-found-section {
  padding: 8rem 0;
  text-align: center;
}
.not-found-section h1 { font-size: 6rem; color: var(--gold); line-height: 1; }
.not-found-section h2 { margin-bottom: 1rem; }
.not-found-section p { color: var(--gray-text); margin-bottom: 2rem; }

.loading-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--gray-text);
}

/* ---------- Related Books ---------- */
.related-books { padding: 4rem 0 5rem; background: var(--off-white); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .books-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .coming-soon-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-tagline { max-width: 100%; margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .hero-books { justify-content: center; max-width: 340px; margin-inline: auto; }
  .book-detail-grid { grid-template-columns: 1fr; }
  .book-detail-grid .book-cover-col { max-width: 300px; margin-inline: auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .authors-grid { grid-template-columns: repeat(2, 1fr); }
  .books-grid { grid-template-columns: repeat(2, 1fr); }
  .coming-soon-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 1rem 1.5rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    z-index: 999;
  }

  .main-nav.open { display: flex; }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav > ul > li > a {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--gray-light);
    font-size: 1rem;
  }

  .dropdown-menu {
    position: static;
    display: none;
    border: none;
    border-left: 3px solid var(--gold);
    box-shadow: none;
    border-radius: 0;
    background: var(--off-white);
    margin-left: 1rem;
  }

  .nav-item.mobile-open .dropdown-menu { display: block; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .authors-grid { grid-template-columns: 1fr; }
  .coming-soon-grid { grid-template-columns: repeat(2, 1fr); }

  .section { padding: 3.5rem 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

@media (max-width: 480px) {
  .books-grid { grid-template-columns: 1fr; max-width: 320px; margin-inline: auto; }
  .category-grid { grid-template-columns: 1fr; max-width: 320px; margin-inline: auto; }
  .coming-soon-grid { grid-template-columns: 1fr; max-width: 280px; margin-inline: auto; }
  .hero-books { gap: 1rem; }
}