@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* ==========================================
   Variables y Paleta de Colores
   ========================================== */
:root {
  --bg-primary: #090d16;
  --bg-secondary: #111625;
  --bg-card: rgba(255, 255, 255, 0.02);
  --bg-card-hover: rgba(255, 255, 255, 0.04);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-gold: #f59e0b;
  --accent-gold-rgb: 245, 158, 11;
  --accent-violet: #8b5cf6;
  --accent-violet-rgb: 139, 92, 246;
  --accent-violet-hover: #7c3aed;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.15);
  --shadow-gold-glow: 0 0 20px rgba(245, 158, 11, 0.15);
  --glass-blur: blur(12px);
}

/* ==========================================
   Reseteo Global e Inicialización
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

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

/* ==========================================
   Contenedores y Clases de Utilidad
   ========================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-gold { color: var(--accent-gold); }
.text-violet { color: var(--accent-violet); }
.text-emerald { color: var(--accent-emerald); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-violet) 0%, #6d28d9 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(109, 40, 217, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(109, 40, 217, 0.5), var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d97706 100%);
  color: #0b0f19;
  font-weight: 600;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.4), var(--shadow-gold-glow);
}

/* ==========================================
   Cabecera (Header) Glassmorphic
   ========================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo svg {
  width: 28px;
  height: 28px;
  fill: var(--accent-gold);
}

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

.nav-link {
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.cart-toggle {
  position: relative;
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  color: var(--accent-gold);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-violet);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  position: relative;
  padding: 8rem 0 6rem 0;
  background: radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.08) 0%, rgba(9, 13, 22, 0) 60%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-tag {
  align-self: flex-start;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 700;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 550px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* Imagen Hero Flotante */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-scene {
  width: 320px;
  height: 420px;
  position: relative;
  perspective: 1000px;
}

.hero-book-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(9, 13, 22, 0) 100%);
  transform: rotate(-8deg) translate(-10px, 15px);
  filter: blur(10px);
  z-index: 1;
}

.hero-book-main {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-color);
  transform: rotate(-3deg);
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}

.hero-book-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes float {
  0% { transform: rotate(-3deg) translateY(0px); }
  50% { transform: rotate(-1deg) translateY(-15px); }
  100% { transform: rotate(-3deg) translateY(0px); }
}

/* ==========================================
   Sección de Características / Confianza
   ========================================== */
.features {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.25rem 2rem;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-violet);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ==========================================
   Sección de Libros (Grid y Cards)
   ========================================== */
.books-section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  font-size: 1.05rem;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2.5rem;
}

/* Estilo de la Tarjeta del Libro */
.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.book-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--shadow-glow);
}

.book-cover-container {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
  margin-bottom: 1.25rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.book-cover-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.book-card:hover .book-cover-container img {
  transform: scale(1.05);
}

.book-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-gold);
}

.book-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 0.25rem;
}

.book-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.book-title-link {
  display: block;
  margin-bottom: 0.5rem;
}

.book-card-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
}

.book-card-title:hover {
  color: var(--accent-gold);
}

.book-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.stars {
  display: flex;
  color: var(--accent-gold);
}

.stars svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.rating-value {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.book-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.book-price {
  font-size: 1.35rem;
  font-weight: 700;
}

.book-actions-row {
  display: flex;
  gap: 0.5rem;
}

.btn-icon-buy {
  background: var(--accent-violet);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.btn-icon-buy:hover {
  background: var(--accent-violet-hover);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.5);
}

.btn-icon-buy svg {
  width: 18px;
  height: 18px;
}

/* ==========================================
   Sección de CTA y Banner Promocional
   ========================================== */
.cta-banner {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(17, 22, 37, 0.8) 0%, rgba(9, 13, 22, 0.9) 100%), 
              radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cta-box {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 4rem 3rem;
  text-align: center;
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 700;
  max-width: 700px;
}

.cta-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
}

/* ==========================================
   Carrito de Compras Lateral (Slide-out Cart)
   ========================================== */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: -450px;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: rgba(17, 22, 37, 0.95);
  backdrop-filter: var(--glass-blur);
  border-left: 1px solid var(--border-color);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.cart-overlay.active + .cart-drawer,
.cart-drawer.active {
  right: 0;
}

.cart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-header-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-header-title svg {
  width: 22px;
  height: 22px;
  color: var(--accent-gold);
}

.cart-close {
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.cart-close svg {
  width: 20px;
  height: 20px;
}

.cart-items {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Mensaje de Carrito Vacío */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60%;
  color: var(--text-secondary);
  text-align: center;
  gap: 1rem;
}

.cart-empty svg {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
}

.cart-empty-title {
  font-weight: 600;
  color: var(--text-primary);
}

/* Item Individual en el Carrito */
.cart-item {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.cart-item-img {
  width: 70px;
  aspect-ratio: 3/4;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cart-item-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
}

.cart-item-price {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.qty-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

.qty-num {
  font-size: 0.85rem;
  font-weight: 600;
}

.cart-item-remove {
  color: var(--text-muted);
  padding: 0.25rem;
  display: flex;
  align-items: center;
}

.cart-item-remove:hover {
  color: var(--accent-rose);
}

.cart-item-remove svg {
  width: 18px;
  height: 18px;
}

.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-total-label {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.cart-total-price {
  font-size: 1.5rem;
  font-weight: 700;
}

.checkout-btn {
  width: 100%;
}

/* ==========================================
   Páginas Especiales: Tienda (`shop.html`)
   ========================================== */
.shop-hero {
  padding: 5rem 0 3rem 0;
  background: radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 60%);
  border-bottom: 1px solid var(--border-color);
}

.shop-controls {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.search-box {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-violet);
  box-shadow: var(--shadow-glow);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-icon svg {
  width: 18px;
  height: 18px;
}

.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.filter-tab:hover {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.filter-tab.active {
  background: var(--accent-violet);
  border-color: var(--accent-violet);
  color: #ffffff;
}

/* ==========================================
   Páginas de Detalles del Libro (`book-X.html`)
   ========================================== */
.book-detail {
  padding: 5rem 0;
}

.book-detail-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.book-detail-visual {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.book-detail-cover {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 30px 60px -15px rgba(0,0,0,0.6);
}

.book-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-detail-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.book-detail-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.book-detail-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
}

.book-detail-author {
  font-size: 1.2rem;
  color: var(--accent-gold);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.book-detail-price-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-price {
  font-size: 2rem;
  font-weight: 700;
}

.detail-actions {
  display: flex;
  gap: 1rem;
}

.book-detail-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2rem 0;
}

.book-specs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.specs-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.9rem;
}

.spec-label {
  color: var(--text-secondary);
}

.spec-value {
  font-weight: 600;
}

/* ==========================================
   Página de Quiénes Somos (`about.html`)
   ========================================== */
.about-hero {
  padding: 6rem 0 4rem 0;
  text-align: center;
  background: radial-gradient(circle at 50% 10%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
}

.about-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  margin-bottom: 1rem;
}

.about-subtitle {
  color: var(--accent-gold);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.about-content {
  padding: 3rem 0 6rem 0;
}

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

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.about-quote {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--text-primary);
  border-left: 3px solid var(--accent-gold);
  padding-left: 1.5rem;
  margin: 1rem 0;
  font-style: italic;
}

.about-image-container {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* ==========================================
   Página de Contacto (`contact.html`)
   ========================================== */
.contact-hero {
  padding: 5rem 0 3rem 0;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  padding: 2rem 0 6rem 0;
  align-items: start;
}

.contact-info-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-channel {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.channel-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-gold);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-icon svg {
  width: 22px;
  height: 22px;
}

.channel-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.channel-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.channel-detail {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-map-mock {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-mock-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #090d16 0%, #1e1b4b 100%);
  opacity: 0.6;
}

.map-card {
  position: relative;
  z-index: 2;
  background: rgba(17, 22, 37, 0.9);
  backdrop-filter: var(--glass-blur);
  padding: 2rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-align: center;
  max-width: 320px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.map-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.map-card-address {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* ==========================================
   Páginas de Políticas Legales (Cumplimiento)
   ========================================== */
.policy-page {
  padding: 6rem 0;
}

.policy-container {
  max-width: 800px;
  margin: 0 auto;
}

.policy-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
}

.policy-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.policy-date {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.policy-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

.policy-section-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}

.policy-content ul {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================
   Modales y Alertas
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.checkout-modal {
  background: #111625;
  border: 1px solid var(--border-color);
  border-radius: 24px;
  width: 90%;
  max-width: 480px;
  padding: 3rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  transform: scale(0.9);
  transition: var(--transition-smooth);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), var(--shadow-glow);
}

.modal-overlay.active .checkout-modal {
  transform: scale(1);
}

.checkout-icon {
  width: 72px;
  height: 72px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.checkout-icon svg {
  width: 36px;
  height: 36px;
}

.checkout-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
}

.checkout-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Notificación Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(17, 22, 37, 0.9);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 400;
  transform: translateY(120px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--accent-gold);
  display: flex;
  align-items: center;
}

.toast-icon svg {
  width: 18px;
  height: 18px;
}

.toast-msg {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ==========================================
   Pie de Página (Footer) Completo
   ========================================== */
.main-footer {
  background-color: #060910;
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo svg {
  width: 26px;
  height: 26px;
  fill: var(--accent-gold);
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-merchant-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--accent-gold);
  transform: translateX(3px);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.social-circle:hover {
  background: var(--accent-gold);
  color: #0b0f19;
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.social-circle svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

/* ==========================================
   Media Queries (Responsive)
   ========================================== */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-tag {
    align-self: center;
  }
  
  .hero-description {
    margin: 0 auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .book-detail-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .book-detail-visual {
    position: static;
    max-width: 450px;
    margin: 0 auto;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .about-image-container {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .main-nav {
    display: none; /* Podríamos agregar un menú mobile, pero por simplicidad de un sitio estático limpio para Ads, usaremos enlaces claros de footer y cabecera mínima */
  }
  
  .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .specs-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}