/* Livreo — Main Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');
@import 'variables.css';

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100vw;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
  width: 100%;
  max-width: 100vw;
}

/* Global overflow containment — use clip (not hidden) to avoid forcing overflow-y:auto */
main, nav, section, footer,
.site-nav, .hero-banner,
.book-section, .category-section, .reviews-section,
.faq-section, .newsletter-section, .site-footer,
.announcement-bar {
  max-width: 100%;
  overflow-x: clip;
}
/* Header needs visible overflow-y for search dropdown */
header, .site-header {
  max-width: 100%;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-family);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 0 var(--space-md);
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

/* Search bar */
.search-bar {
  flex: 1;
  max-width: 560px;
  position: relative;
}

.search-bar form {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.search-bar form:focus-within {
  border-color: var(--color-primary);
}

.search-bar input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: transparent;
  outline: none;
  font-size: 16px;
  color: var(--color-text);
}

.search-bar input::placeholder {
  color: var(--color-text-secondary);
}

.search-bar button {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.search-bar button:hover {
  background: var(--color-primary-dark);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

.cart-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast);
  position: relative;
}

.cart-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.cart-count {
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

/* ===== NAVIGATION BAR ===== */
.site-nav {
  background: var(--color-white);
  border-bottom: 2px solid var(--color-primary-bg);
}

.site-nav .container {
  display: flex;
  align-items: center;
  gap: 0;
  height: var(--nav-height);
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav .container::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ===== HERO BANNER ===== */
.hero-banner {
  background: linear-gradient(135deg, var(--color-primary-bg) 0%, #C8E6C9 100%);
  padding: var(--space-3xl) 0;
  overflow: hidden;
}

.hero-banner .container {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.hero-content {
  flex: 1;
}

.hero-tagline {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero-title span {
  color: var(--color-primary);
}

.hero-description {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.hero-image {
  flex: 0 0 380px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  transform: rotate(-3deg);
}

.hero-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  background: var(--color-border);
}

.hero-image img:nth-child(2) {
  margin-top: 30px;
}

/* ===== SECTION HEADINGS ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--space-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.section-link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-fast);
}

.section-link:hover {
  gap: var(--space-sm);
}

/* ===== BOOK ROWS (HORIZONTAL SCROLL) ===== */
.book-section {
  padding: var(--space-2xl) 0;
}

.book-row {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  padding-bottom: var(--space-md);
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.book-row::-webkit-scrollbar {
  height: 4px;
}

.book-row::-webkit-scrollbar-track {
  background: transparent;
}

.book-row::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

/* ===== BOOK CARD ===== */
.book-card {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  scroll-snap-align: start;
  cursor: pointer;
}

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

.book-card-image {
  position: relative;
  height: 280px;
  background: #F5F5F5;
  overflow: hidden;
  flex-shrink: 0;
}

.book-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

.book-card:hover .book-card-image img {
  transform: scale(1.04);
}

.badge-category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: var(--font-weight-semibold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  max-width: 70px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.badge-physical {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  background: rgba(255,255,255,0.92);
  color: var(--color-primary);
  font-size: 0.55rem;
  font-weight: var(--font-weight-bold);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-primary-light);
  line-height: 1.4;
}

.book-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-card-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-author {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-card-pricing {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.price-original {
  font-size: 16px;
  color: #E53935;
  text-decoration: line-through;
  font-weight: var(--font-weight-medium);
}

.price-promo {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.btn-add-cart {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-top: auto;
}

.btn-add-cart:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ===== CATEGORY GRID ===== */
.category-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* ===== PARTNERS BAR ===== */
.partners-section {
  background: var(--color-surface);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.partners-title {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.partners-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.partner-logo {
  height: 40px;
  width: auto;
  opacity: 0.6;
  filter: grayscale(1);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0);
}

.partner-placeholder {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  opacity: 0.6;
  letter-spacing: -0.02em;
}

/* ===== REVIEWS SECTION ===== */
.reviews-section {
  padding: var(--space-2xl) 0;
  background: var(--color-primary-bg);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.review-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.star {
  color: #FFC107;
  font-size: var(--font-size-md);
}

.review-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  font-style: italic;
}

.review-author {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.review-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.trustpilot-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.trustpilot-score {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.trustpilot-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ===== FAQ SECTION ===== */
.faq-section {
  padding: var(--space-2xl) 0;
}

.faq-list {
  max-width: 720px;
  margin: var(--space-xl) auto 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: background var(--transition-fast);
  background: var(--color-white);
}

.faq-question:hover {
  background: var(--color-primary-bg);
}

.faq-question.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-question.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.faq-answer.open {
  display: block;
}

/* ===== NEWSLETTER SECTION ===== */
.newsletter-section {
  padding: var(--space-2xl) 0;
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}

.newsletter-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
  font-size: var(--font-size-base);
  opacity: 0.85;
  margin-bottom: var(--space-xl);
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  outline: none;
  color: var(--color-text);
}

.newsletter-btn {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.newsletter-btn:hover {
  background: #0A3D0A;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #1A1A1A;
  color: #CCCCCC;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .logo-text {
  color: var(--color-white);
  font-size: var(--font-size-xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  opacity: 0.75;
}

.footer-col-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: #AAAAAA;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copy {
  font-size: var(--font-size-sm);
  opacity: 0.6;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-links a {
  font-size: var(--font-size-sm);
  color: #AAAAAA;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-primary-light);
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 10000;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
  width: 30px;
  height: 30px;
  color: white;
  fill: white;
}

/* ===== CATALOGUE PAGE ===== */
.catalogue-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.catalogue-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.catalogue-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-2xl);
  padding: var(--space-xl) 0;
  align-items: start;
}

.filters-sidebar {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--header-height) + var(--nav-height) + var(--space-md));
}

.filter-group {
  margin-bottom: var(--space-xl);
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  display: block;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
}

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.price-range {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.price-input {
  flex: 1;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--font-size-sm);
}

.price-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.catalogue-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.catalogue-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.sort-select {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-white);
  cursor: pointer;
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-filter-apply {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-lg);
  transition: background var(--transition-fast);
}

.btn-filter-apply:hover {
  background: var(--color-primary-dark);
}

/* ===== BOOK DETAIL PAGE ===== */
.book-detail {
  padding: var(--space-2xl) 0;
}

.book-detail-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.book-detail-cover {
  position: sticky;
  top: calc(var(--header-height) + var(--nav-height) + var(--space-md));
}

.book-detail-cover img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.book-detail-info .badge-category {
  position: static;
  display: inline-block;
  margin-bottom: var(--space-md);
}

.book-detail-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.book-detail-author {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.book-detail-pricing {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.book-detail-pricing .price-promo {
  font-size: var(--font-size-2xl);
}

.book-detail-pricing .price-original {
  font-size: var(--font-size-md);
}

.book-quantity {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.qty-btn {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

.qty-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  min-width: 40px;
  text-align: center;
}

.btn-add-cart-lg {
  padding: var(--space-md) var(--space-2xl);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-add-cart-lg:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.book-detail-description {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.book-detail-description h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
}

.book-detail-description p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== CART PAGE ===== */
.cart-page {
  padding: var(--space-2xl) 0;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-2xl);
  align-items: start;
}

.cart-items {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cart-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-image {
  width: 80px;
  flex-shrink: 0;
}

.cart-item-image img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.cart-item-author {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.cart-item-price {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.btn-remove {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  transition: opacity var(--transition-fast);
}

.btn-remove:hover {
  opacity: 0.7;
}

.cart-summary {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--header-height) + var(--nav-height) + var(--space-md));
}

.cart-summary-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: var(--space-md) 0 var(--space-xl);
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-border);
}

.btn-checkout {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-align: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  display: block;
}

.btn-checkout:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.cart-empty {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cart-empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
}

.cart-empty h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.cart-empty p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ===== CHECKOUT PAGE ===== */
.checkout-page {
  padding: var(--space-2xl) 0;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-2xl);
  align-items: start;
}

.checkout-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.checkout-form-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-label span {
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.cod-notice {
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.cod-notice-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.cod-notice-text {
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-medium);
}

.btn-place-order {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  text-align: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-place-order:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ===== CONFIRMATION PAGE ===== */
.confirmation-page {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.confirmation-icon {
  width: 80px;
  height: 80px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
}

.confirmation-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.confirmation-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.confirmation-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.confirmation-order-num {
  background: var(--color-primary-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: inline-block;
  margin-bottom: var(--space-xl);
}

.order-num-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.order-num-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-md) 0;
}

.breadcrumb a {
  color: var(--color-primary);
  transition: opacity var(--transition-fast);
}

.breadcrumb a:hover {
  opacity: 0.8;
}

.breadcrumb-sep {
  color: var(--color-border);
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.page-btn:hover,
.page-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
  position: fixed;
  bottom: 100px;
  right: 24px;
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateX(120%);
  transition: transform var(--transition-base);
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  background: var(--color-primary);
}

.toast.error {
  background: var(--color-error);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.fw-bold { font-weight: var(--font-weight-bold); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

/* ===== MOBILE HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ===== HERO BOOK CARDS ===== */
.hero-book-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hero-book-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

.hero-book-card img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  display: block;
}

.hero-book-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: var(--space-md) var(--space-sm) var(--space-sm);
}

.hero-book-card-title {
  color: var(--color-white);
  font-size: 0.65rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-book-card-price {
  color: #A5D6A7;
  font-size: 0.6rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
}

.hero-book-card-btn {
  width: 100%;
  padding: 4px var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: var(--font-weight-bold);
  text-align: center;
  transition: background var(--transition-fast);
  border: none;
  cursor: pointer;
}

.hero-book-card-btn:hover {
  background: var(--color-primary-dark);
}

/* ===== SEARCH DROPDOWN ===== */
.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: none;
  max-height: 420px;
  overflow-y: auto;
}

.search-dropdown.open {
  display: block;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-surface);
}

.search-result-item:hover {
  background: var(--color-primary-bg);
}

.search-result-item img {
  width: 40px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.search-result-info {
  flex: 1;
  min-width: 0;
}

.search-result-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-author {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.search-result-price {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-result-all {
  display: block;
  text-align: center;
  padding: var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.search-result-all:hover {
  background: var(--color-primary-bg);
}

.search-no-results {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.search-nf-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.search-nf-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.search-nf-form {
  display: flex;
  gap: var(--space-sm);
}

.search-nf-form input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: var(--font-family);
  outline: none;
}

.search-nf-form input:focus {
  border-color: var(--color-primary);
}

.search-nf-form button {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary) !important;
  color: var(--color-white) !important;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
  display: block;
  min-height: 40px;
  flex-shrink: 0;
}

.search-nf-form button:hover {
  background: var(--color-primary-dark);
}

.search-nf-success {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-sm) 0;
}

/* ===== FLOATING CTA BAR ===== */
@keyframes ctaBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
  transform: translateY(100%);
  transition: transform 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  gap: var(--space-md);
  border-top: 3px solid rgba(255,255,255,0.3);
}

.floating-cta.visible {
  transform: translateY(0);
  animation: ctaBounce 2.5s ease-in-out 1s infinite;
}

.floating-cta:hover {
  animation: none;
  background: var(--color-primary-dark);
}

.floating-cta-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  text-align: center;
  line-height: 1.3;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.floating-cta-arrow {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

/* Tablet: 3 columns */
@media (max-width: 1024px) {
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .floating-cta {
    padding: var(--space-md);
  }
  .floating-cta-text {
    font-size: var(--font-size-base);
  }
}

/* ===== MOBILE-FIRST IMPROVEMENTS ===== */

/* Mobile header: hamburger left | logo center | cart right */
@media (max-width: 768px) {
  .site-header {
    height: auto;
  }

  .site-header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    padding: var(--space-sm) var(--space-md);
    position: relative;
  }

  .hamburger {
    display: flex;
    flex-shrink: 0;
    order: 1;
    z-index: 1;
  }

  .logo {
    order: 2;
    flex: 1;
    justify-content: center;
    position: static;
    transform: none;
  }

  .logo-text {
    font-size: var(--font-size-lg);
  }

  .search-bar {
    order: 4;
    flex: 0 0 100%;
    max-width: 100%;
    padding: var(--space-sm) 0;
  }

  .search-bar form {
    border-radius: var(--radius-md);
  }

  .header-actions {
    order: 3;
    flex-shrink: 0;
    gap: 0;
    z-index: 1;
  }

  .cart-btn span:not(.cart-count) {
    display: none;
  }

  .cart-btn {
    padding: var(--space-sm);
    border-radius: var(--radius-full);
    min-width: 40px;
    min-height: 40px;
    justify-content: center;
  }

  /* Search no-results form: stack vertically on mobile */
  .search-nf-form {
    flex-direction: column;
  }

  .search-nf-form button {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
  }

  /* Nav mobile: slide down */
  .site-nav {
    display: none;
  }
  .site-nav.mobile-open {
    display: block;
    position: relative;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 2px solid var(--color-primary-bg);
    z-index: 99;
    box-shadow: var(--shadow-md);
  }
  .site-nav.mobile-open .container {
    flex-direction: column;
    height: auto;
    padding: var(--space-sm) 0;
    gap: 0;
  }
  .site-nav.mobile-open .nav-link {
    height: auto;
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  /* Touch targets — min 44px */
  .btn-add-cart,
  .btn-primary,
  .btn-secondary,
  .btn-checkout,
  .btn-place-order,
  .qty-btn,
  .page-btn {
    min-height: 44px;
  }

  .btn-add-cart {
    padding: var(--space-sm) var(--space-xs);
    font-size: var(--font-size-sm);
    white-space: nowrap;
  }

  /* Catalogue */
  .catalogue-layout {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }
  .catalogue-layout > * {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }
  .filters-sidebar {
    position: static;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .catalogue-toolbar {
    max-width: 100%;
  }

  /* Book cards: 2 columns on mobile, compact */
  .books-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
  }

  .book-card {
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .book-card-image {
    height: 160px;
  }

  .book-card-body {
    padding: 8px;
    min-width: 0;
  }

  .book-card-title {
    font-size: 12px;
    margin-bottom: 2px;
    max-width: 100%;
  }

  .book-card-author {
    font-size: 11px;
    margin-bottom: 4px;
    max-width: 100%;
  }

  .price-original {
    font-size: 11px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .price-promo {
    font-size: 14px;
    font-weight: 700;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .book-card-pricing {
    margin-bottom: 6px;
    max-width: 100%;
  }

  .btn-add-cart {
    padding: 6px 8px;
    font-size: 11px;
    min-height: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* Hide badge on mobile to save space */
  .badge-physical {
    display: none;
  }

  /* Cart / Book detail / Checkout layout stacked */
  .cart-layout,
  .checkout-layout,
  .book-detail-layout {
    grid-template-columns: 1fr;
  }
  .cart-summary,
  .checkout-layout > div:last-child,
  .book-detail-cover {
    position: static;
  }

  /* Sections tighter */
  .book-section {
    padding: var(--space-xl) 0;
  }

  /* Footer stacked */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Hero stacked */
  .hero-banner .container {
    flex-direction: column;
    text-align: center;
  }
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  .hero-image {
    flex: none;
    width: 100%;
    max-width: 300px;
    transform: none;
  }
  .hero-cta {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }
  .hero-description {
    margin: 0 auto var(--space-xl);
  }

  /* Form row single column */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Whatsapp btn: always visible, above floating CTA */
  .whatsapp-btn {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    bottom: 84px;
    right: 16px;
    z-index: 10000;
  }
  .whatsapp-btn.no-cta {
    bottom: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 8px;
  }

  .book-card {
    flex: 0 0 150px;
  }

  .announcement-bar {
    font-size: 0.65rem;
    padding: 0 var(--space-sm);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .hero-tagline {
    font-size: 0.65rem;
  }

  .section-title {
    font-size: var(--font-size-lg);
  }
}