/* ==========================================================================
   CARNYX EDICIONES · DESIGN SYSTEM & STYLES (100% RESPONSIVE)
   Estética: Vitrina Editorial Táctil, Bronce Céltico, Papel y Carbón Mineral
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Chromatic Palette */
  --paper-base: #F9F7F2;
  --paper-card: #F2ECE1;
  --paper-sheet: #FCFBF8;
  --paper-contrast: #EAE3D5;
  
  --ink-primary: #151311;
  --ink-body: #3D3833;
  --ink-muted: #7A7268;
  --line: #E1DAD0;
  --line-subtle: #ECE6DC;
  
  /* Celtic Bronze & Wax Accents */
  --bronze: #B37433;
  --bronze-dark: #8C5420;
  --bronze-light: #D49B5B;
  --bronze-glow: rgba(179, 116, 51, 0.18);
  --wax-red: #8B251E;
  --wax-red-glow: rgba(139, 37, 30, 0.15);

  /* Typography */
  --font-serif: 'Cinzel', Georgia, serif;
  --font-book: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* UI Tokens */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  --shadow-subtle: 0 4px 20px -2px rgba(21, 19, 17, 0.05);
  --shadow-book: 0 12px 28px -6px rgba(21, 19, 17, 0.16), 0 4px 10px -2px rgba(21, 19, 17, 0.08);
  --shadow-book-hover: 0 20px 38px -8px rgba(21, 19, 17, 0.22), 0 6px 14px -3px rgba(21, 19, 17, 0.10);

  --max-w: 1240px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Zero-Horizontal-Scroll Enforcer */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper-base);
  background-image: radial-gradient(var(--paper-contrast) 0.75px, transparent 0.75px);
  background-size: 24px 24px;
  -webkit-overflow-scrolling: touch;
}

/* Responsive Container */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
}

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

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

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

/* ==========================================================================
   TOP ANNOUNCEMENT BAR
   ========================================================================== */
.top-notice-bar {
  background: #171513;
  color: #EDE8DE;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 8px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(179, 116, 51, 0.35);
  display: block;
  position: relative;
  z-index: 101;
}
.top-notice-bar a {
  color: var(--bronze-light);
  text-decoration: underline;
}

/* ==========================================================================
   NAVIGATION BAR (CLEAN & ADAPTIVE)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 247, 242, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 12px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 46px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  transition: transform 0.25s ease;
}
.brand-link:hover .brand-logo-img {
  transform: scale(1.02);
}

/* Desktop Navigation Links (>= 992px) */
.nav-links-desktop {
  display: none;
  align-items: center;
  gap: 10px;
}
@media (min-width: 992px) {
  .nav-links-desktop {
    display: flex;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  font-weight: 600;
  border: 1px solid var(--line);
  color: var(--ink-primary);
  background: var(--paper-sheet);
  white-space: nowrap;
  transition: var(--transition);
}
.nav-link:hover {
  border-color: var(--bronze);
  background: var(--paper-card);
  color: var(--bronze-dark);
}

.nav-link-admin {
  border-color: var(--bronze);
  color: var(--bronze-dark);
}
.nav-link-admin:hover {
  background: var(--bronze);
  color: #fff;
  border-color: var(--bronze);
}

/* Nav Actions (Right Side: Bolsa + Mobile Toggle) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--line);
  color: var(--ink-primary);
  background: var(--paper-sheet);
  white-space: nowrap;
  transition: var(--transition);
}

.nav-btn.cart-trigger {
  background: var(--ink-primary);
  color: #fff;
  border-color: var(--ink-primary);
}
.nav-btn.cart-trigger:hover {
  background: var(--bronze-dark);
  border-color: var(--bronze-dark);
}

.cart-count {
  background: var(--bronze-light);
  color: var(--ink-primary);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  margin-left: 2px;
}

/* Mobile Hamburger Toggle Button (< 992px) */
.mobile-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper-sheet);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.mobile-menu-toggle:hover {
  border-color: var(--bronze);
  background: var(--paper-card);
}
@media (max-width: 991px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }
}

.hamburger-icon {
  width: 18px;
  height: 13px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}
.hamburger-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink-primary);
  border-radius: 2px;
  transition: all 0.28s ease;
}
.mobile-menu-toggle.active .hamburger-icon span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}
.mobile-menu-toggle.active .hamburger-icon span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-toggle.active .hamburger-icon span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* Mobile Menu Drawer & Overlay (< 992px) */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 17, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 350;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 88%;
  max-width: 360px;
  height: 100vh;
  background: var(--paper-base);
  z-index: 360;
  transform: translateX(110%);
  visibility: hidden;
  pointer-events: none;
  box-shadow: none;
  border-left: 2px solid var(--bronze);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}
.mobile-menu-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  box-shadow: -10px 0 32px rgba(21, 19, 17, 0.22);
}

.mobile-menu-header {
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper-sheet);
}
.mobile-menu-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-menu-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}
.mobile-menu-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bronze-dark);
}

.mobile-nav-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-primary);
  transition: var(--transition);
}
.mobile-nav-item:hover, .mobile-nav-item:active {
  background: var(--paper-card);
  border-color: var(--line);
}
.mobile-nav-icon {
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.mobile-nav-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav-title {
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.2;
}
.mobile-nav-desc {
  font-size: 0.76rem;
  color: var(--ink-muted);
  line-height: 1.3;
}

.mobile-nav-admin {
  background: var(--paper-sheet);
  border: 1px dashed var(--bronze-light);
}
.mobile-nav-admin .mobile-nav-title {
  color: var(--bronze-dark);
}

.mobile-menu-divider {
  height: 1px;
  background: var(--line);
  margin: 8px 4px;
}

.mobile-menu-footer {
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  background: var(--paper-sheet);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}
.mobile-footer-motto {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bronze-dark);
}
.mobile-footer-contact {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.mobile-footer-contact a {
  color: var(--ink-primary);
  font-weight: 600;
}
.mobile-footer-contact a:hover {
  color: var(--bronze);
}

@media (max-width: 480px) {
  .nav-row {
    height: 60px;
  }
  .brand-logo-img {
    height: 36px;
    max-width: 125px;
  }
  .nav-actions {
    gap: 6px;
  }
  .nav-btn {
    padding: 7px 11px;
    font-size: 0.78rem;
  }
  .mobile-menu-toggle {
    width: 38px;
    height: 38px;
  }
}

/* ==========================================================================
   LEXICON ENTRY: DEFINICIÓN CARNYX (ENTRADA DE DICCIONARIO)
   ========================================================================== */
.lexicon-box {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-left: 4px solid var(--bronze);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 44px;
  box-shadow: 0 4px 18px rgba(21, 19, 17, 0.03);
  position: relative;
  width: 100%;
}
@media (max-width: 640px) {
  .lexicon-box {
    padding: 18px 16px;
    margin-bottom: 30px;
  }
}

.lexicon-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 10px;
}

.lexicon-term {
  font-family: var(--font-book);
  font-style: italic;
  font-size: clamp(2rem, 4.5vw, 2.5rem);
  font-weight: 600;
  color: var(--ink-primary);
  line-height: 1;
}

.lexicon-etymology {
  font-size: 0.92rem;
  color: var(--ink-muted);
  font-family: var(--font-book);
  font-style: normal;
}
.lexicon-etymology em {
  font-style: italic;
  color: var(--ink-primary);
}

.lexicon-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lexicon-def {
  font-size: 0.98rem;
  color: var(--ink-body);
  line-height: 1.6;
}
.lexicon-def.highlight {
  color: var(--ink-primary);
}

.lexicon-abbr {
  font-family: var(--font-book);
  font-style: italic;
  font-weight: 600;
  color: var(--bronze-dark);
  margin-right: 6px;
  font-size: 1.08rem;
}

/* ==========================================================================
   HERO: EL ATRIL DEL LECTOR (100% RESPONSIVE)
   ========================================================================== */
.hero-atril {
  padding: 40px 0 52px;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
@media (min-width: 992px) {
  .hero-atril {
    padding: 64px 0 76px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 40px;
  width: 100%;
}
@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1.5px;
  background: var(--bronze);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink-primary);
  word-break: break-word;
}
.hero-title em {
  font-style: italic;
  font-family: var(--font-book);
  color: var(--bronze);
  font-weight: 600;
}

.hero-lead {
  font-size: 1.02rem;
  color: var(--ink-body);
  max-width: 520px;
  line-height: 1.6;
}

.hero-meta-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  width: 100%;
}
@media (min-width: 640px) {
  .hero-meta-strip {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
  }
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}
.hero-meta-val {
  font-weight: 700;
  color: var(--ink-primary);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 6px;
}
@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
}

.btn-mp-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--ink-primary);
  color: #FFFFFF;
  border: 1px solid var(--bronze);
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 16px rgba(21, 19, 17, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: var(--transition);
  text-align: center;
  width: 100%;
}
@media (min-width: 640px) {
  .btn-mp-primary {
    width: auto;
  }
}
.btn-mp-primary:hover {
  background: #25221F;
  border-color: var(--bronze-light);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(21, 19, 17, 0.35), 0 0 0 1px rgba(179, 116, 51, 0.4);
}
.btn-mp-primary svg {
  width: 20px;
  height: 20px;
  fill: var(--bronze-light);
  flex-shrink: 0;
  transition: transform 0.25s ease, fill 0.25s ease;
}
.btn-mp-primary:hover svg {
  transform: scale(1.1);
  fill: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  color: var(--ink-primary);
  text-align: center;
  width: 100%;
}
@media (min-width: 640px) {
  .btn-secondary {
    width: auto;
  }
}
.btn-secondary:hover {
  border-color: var(--bronze);
  background: var(--paper-card);
  transform: translateY(-2px);
}

/* Book Stand 3D Mockup */
.bookstand-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 10px 0 20px;
}

.book-pedestal {
  position: relative;
  display: inline-block;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
  max-width: 100%;
}
.bookstand-stage:hover .book-pedestal {
  transform: rotateY(-6deg) rotateX(3deg);
}

.pedestal-shadow {
  position: absolute;
  bottom: -18px;
  left: 10%;
  width: 80%;
  height: 24px;
  background: radial-gradient(ellipse at center, rgba(21, 19, 17, 0.32) 0%, rgba(21, 19, 17, 0) 70%);
  filter: blur(8px);
  transform: rotateX(80deg);
  z-index: 1;
}

/* ==========================================================================
   PHYSICAL BOOK STYLING (TACTILE SPINE & COVER)
   ========================================================================== */
.book-cover-physical {
  position: relative;
  width: 250px;
  max-width: 78vw;
  aspect-ratio: 2 / 3;
  border-radius: 2px 7px 7px 2px;
  overflow: hidden;
  box-shadow: var(--shadow-book);
  transition: var(--transition);
  background: #111;
  user-select: none;
  margin: 0 auto;
}

/* Spine Crease / Binding Simulation */
.book-cover-physical::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(255, 255, 255, 0.22) 12%,
    rgba(0, 0, 0, 0.3) 24%,
    rgba(0, 0, 0, 0.1) 60%,
    transparent 100%
  );
  z-index: 3;
  pointer-events: none;
}

.book-cover-physical img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   CATALOG CONTROLS & FILTER PILLS
   ========================================================================== */
.catalog-section {
  padding: 56px 0 80px;
}

.catalog-header {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
  width: 100%;
}

.catalog-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--ink-primary);
  font-weight: 700;
}
.section-subtitle {
  color: var(--ink-muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

.search-box {
  position: relative;
  width: 100%;
  max-width: 340px;
}
@media (max-width: 768px) {
  .search-box {
    max-width: 100%;
  }
}
.search-input {
  width: 100%;
  padding: 11px 16px 11px 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--paper-sheet);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--ink-primary);
  outline: none;
  transition: var(--transition);
}
.search-input:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px var(--bronze-glow);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--ink-muted);
  pointer-events: none;
}

/* Filter Pills */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px 8px;
  width: 100%;
  max-width: 100%;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-pill {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-body);
  border: 1px solid var(--line);
  background: var(--paper-sheet);
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-pill:hover {
  border-color: var(--bronze);
  color: var(--ink-primary);
}
.filter-pill.active {
  background: var(--ink-primary);
  color: #fff;
  border-color: var(--ink-primary);
}

/* ==========================================================================
   BOOK SHOWCASE GRID (RESPONSIVE NO-OVERFLOW)
   ========================================================================== */
.books-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: 100%;
}
@media (min-width: 600px) {
  .books-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
  }
}

.book-card {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.book-card:hover {
  transform: translateY(-4px);
  border-color: var(--bronze-light);
  box-shadow: 0 16px 32px -8px rgba(21, 19, 17, 0.08);
}

.book-card-display {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 0 22px;
  background: radial-gradient(circle at center, var(--paper-card) 0%, transparent 70%);
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  perspective: 900px;
  width: 100%;
}

.book-card .book-cover-physical {
  width: 180px;
}
.book-card:hover .book-cover-physical {
  transform: translateY(-4px) rotateY(-4deg);
  box-shadow: var(--shadow-book-hover);
}

.book-badge-seal {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--wax-red);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  box-shadow: 0 3px 10px var(--wax-red-glow);
  z-index: 5;
}

.book-card-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-genre-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 6px;
}

.book-card-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.3;
  margin-bottom: 6px;
}

.book-card-author {
  font-family: var(--font-book);
  font-size: 1.02rem;
  font-style: italic;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.book-card-synopsis {
  font-size: 0.86rem;
  color: var(--ink-body);
  line-height: 1.5;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.price-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}
.price-value {
  font-family: var(--font-sans);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.book-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-card-preview {
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--paper-card);
  color: var(--ink-primary);
  text-align: center;
}
.btn-card-preview:hover {
  background: var(--paper-contrast);
  border-color: var(--bronze);
}

.btn-card-buy {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--bronze-dark);
  color: #FFFFFF;
  border: 1px solid var(--bronze);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 3px 10px rgba(140, 84, 32, 0.25);
  text-align: center;
  transition: var(--transition);
}
.btn-card-buy:hover {
  background: var(--bronze);
  border-color: var(--bronze-light);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(179, 116, 51, 0.38);
}

/* ==========================================================================
   COLLECTIONS SECTION (ESENCIALES & RESONANCIA)
   ========================================================================== */
.collections-section {
  padding: 56px 0 64px;
  background: var(--paper-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.collections-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.collections-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: 100%;
}
@media (min-width: 768px) {
  .collections-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

.collection-card {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
  position: relative;
}
.collection-card:hover {
  transform: translateY(-4px);
  border-color: var(--bronze);
  box-shadow: 0 16px 32px -8px rgba(21, 19, 17, 0.08);
}

.collection-badge {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bronze);
  color: #fff;
}

.collection-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.1;
}

.collection-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bronze);
}

.collection-desc {
  font-size: 0.95rem;
  color: var(--ink-body);
  line-height: 1.65;
  flex-grow: 1;
}

.collection-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line-subtle);
  padding-top: 18px;
  gap: 12px;
  flex-wrap: wrap;
}
.collection-format {
  font-size: 0.8rem;
  color: var(--ink-muted);
  font-weight: 600;
}

/* Plaquette Example Showcase Inside Collection Card */
.collection-example-box {
  background: var(--paper-base);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 14px 0 16px;
  transition: var(--transition);
  width: 100%;
}
.collection-example-box:hover {
  border-color: var(--bronze-light);
  background: #fff;
  box-shadow: 0 6px 16px rgba(21, 19, 17, 0.05);
}

.collection-example-thumb {
  width: 68px;
  flex-shrink: 0;
}
.collection-example-thumb .book-cover-physical {
  width: 68px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.16);
}

.collection-example-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-grow: 1;
}

.collection-example-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
}

.collection-example-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.25;
}

.collection-example-author {
  font-family: var(--font-book);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.collection-example-excerpt {
  font-family: var(--font-book);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-body);
  line-height: 1.45;
  margin: 4px 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.collection-example-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  flex-wrap: wrap;
  margin-top: 4px;
}
.collection-example-price {
  font-weight: 800;
  color: var(--bronze-dark);
  font-size: 0.95rem;
}

.collection-example-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-mini-preview {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--paper-sheet);
  color: var(--ink-primary);
}
.btn-mini-preview:hover {
  background: var(--paper-contrast);
  border-color: var(--bronze);
}

.btn-mini-buy {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bronze-dark);
  color: #fff;
  border: 1px solid var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.btn-mini-buy:hover {
  background: var(--bronze);
  border-color: var(--bronze-light);
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .collection-example-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 14px;
    gap: 12px;
  }
  .collection-example-thumb {
    width: 60px;
  }
}

/* ==========================================================================
   ABOUT SECTION: NOSOTROS (EL MANIFIESTO DE CARNYX)
   ========================================================================== */
.about-section {
  padding: 72px 0 80px;
  background: var(--paper-sheet);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 64px;
  }
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-prose {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink-body);
}

.about-prose .lead-para {
  font-size: 1.15rem;
  color: var(--ink-primary);
  line-height: 1.7;
}

.about-quote {
  font-family: var(--font-book);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--ink-primary);
  border-left: 3px solid var(--bronze);
  padding: 12px 0 12px 24px;
  margin: 8px 0;
  line-height: 1.6;
  background: var(--paper-base);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.motto-banner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--paper-card);
  border: 1px solid var(--bronze-light);
  border-radius: var(--radius-pill);
  color: var(--ink-primary);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-top: 12px;
  box-shadow: 0 4px 14px var(--bronze-glow);
  align-self: flex-start;
}
.motto-banner svg {
  color: var(--bronze);
  flex-shrink: 0;
}

.about-seal-col {
  display: flex;
  justify-content: center;
}

.craft-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  width: 100%;
}
@media (min-width: 992px) {
  .craft-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
  }
}

.craft-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.craft-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 14px;
}
@media (min-width: 600px) {
  .craft-features {
    grid-template-columns: 1fr 1fr;
  }
}

.craft-feature-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.craft-feature-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-primary);
}
.craft-feature-desc {
  font-size: 0.84rem;
  color: var(--ink-body);
}

.craft-seal-card {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-subtle);
  width: 100%;
}

.craft-seal-img {
  width: 120px;
  height: auto;
  opacity: 0.9;
}

/* ==========================================================================
   READER MODAL ("OJEAR MUESTRA DE LECTURA")
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 17, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-sheet {
  background: var(--paper-sheet);
  width: 100%;
  max-width: 920px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  border: 1px solid var(--line);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--paper-base);
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.modal-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
}
.modal-book-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--ink-primary);
  background: var(--paper-sheet);
  flex-shrink: 0;
}
.modal-close-btn:hover {
  background: var(--ink-primary);
  color: #fff;
}

.modal-body {
  padding: 24px 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 820px) {
  .modal-body {
    grid-template-columns: 260px 1fr;
    padding: 36px 40px;
    gap: 40px;
  }
}

.modal-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-specs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 6px;
}
.spec-label {
  color: var(--ink-muted);
}
.spec-val {
  font-weight: 600;
  color: var(--ink-primary);
}

.modal-reading-view {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.02);
}
@media (min-width: 600px) {
  .modal-reading-view {
    padding: 32px 36px;
  }
}

.reading-chapter-num {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
  text-align: center;
}
.reading-chapter-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  color: var(--ink-primary);
  margin-bottom: 10px;
}

.reading-text {
  font-family: var(--font-book);
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--ink-body);
  text-align: justify;
}

.reading-text::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 3.8rem;
  line-height: 0.85;
  padding-right: 12px;
  padding-top: 4px;
  color: var(--bronze-dark);
  font-weight: 700;
}

/* ==========================================================================
   CART SLIDING DRAWER ("BOLSA DE LIBROS")
   ========================================================================== */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 17, 0.6);
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.cart-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100vh;
  background: var(--paper-base);
  z-index: 310;
  transform: translateX(110%);
  visibility: hidden;
  pointer-events: none;
  box-shadow: none;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}
.cart-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
}

.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cart-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.cart-items-container {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 14px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-subtle);
}
.cart-item-img {
  width: 50px;
  aspect-ratio: 2/3;
  border-radius: 2px 4px 4px 2px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}
.cart-item-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cart-item-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-primary);
}
.cart-item-price {
  font-size: 0.82rem;
  color: var(--bronze-dark);
  font-weight: 600;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 6px;
}
.qty-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.qty-btn:hover {
  background: var(--ink-primary);
  color: #fff;
}

.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  background: var(--paper-sheet);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.cart-total-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-primary);
}
.cart-total-val {
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.btn-mp-checkout {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-pill);
  background: var(--ink-primary);
  color: #FFFFFF;
  border: 1px solid var(--bronze);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 18px rgba(21, 19, 17, 0.28);
  transition: var(--transition);
}
.btn-mp-checkout:hover {
  background: #25221F;
  border-color: var(--bronze-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(21, 19, 17, 0.35), 0 0 0 1px rgba(179, 116, 51, 0.4);
}
.btn-mp-checkout svg {
  fill: var(--bronze-light);
}

/* ==========================================================================
   CHECKOUT SIMULATOR MODAL
   ========================================================================== */
.checkout-modal {
  max-width: 520px;
}

.mp-brand-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.mp-brand-bar span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bronze-dark);
}

.consent-privacy {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.4;
  margin-top: 12px;
}

/* ==========================================================================
   FOOTER (100% RESPONSIVE)
   ========================================================================== */
.site-footer {
  background: var(--ink-primary);
  color: var(--paper-sheet);
  padding: 60px 0 32px;
  margin-top: auto;
  border-top: 2px solid var(--bronze);
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 44px;
  width: 100%;
}
@media (min-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-logo-invert {
  filter: invert(1) brightness(2);
  height: 42px;
  width: auto;
  align-self: flex-start;
}

.footer-desc {
  font-size: 0.88rem;
  color: #B5AFA7;
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--bronze-light);
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: #C8C2BA;
}
.footer-links a:hover {
  color: var(--bronze-light);
  padding-left: 3px;
}

.newsletter-box {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  width: 100%;
}
.newsletter-input {
  flex-grow: 1;
  min-width: 0;
  padding: 9px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid #383430;
  background: #221F1C;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
}
.newsletter-btn {
  padding: 9px 16px;
  background: var(--bronze);
  color: #fff;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
}
.newsletter-btn:hover {
  background: var(--bronze-light);
}

.footer-bottom {
  border-top: 1px solid #2B2724;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  font-size: 0.8rem;
  color: #8C867E;
  width: 100%;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-separator {
  opacity: 0.4;
}

/* Toast Notifications */
.toast-msg {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--ink-primary);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: none;
  border-left: 4px solid var(--bronze);
  z-index: 400;
  transform: translateY(100px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition);
  max-width: 90vw;
}
.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   BREADCRUMBS BAR (SHARED COMPONENT - ELEGANT EDITORIAL TRAIL)
   ========================================================================== */
.breadcrumbs-bar {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-sheet);
  width: 100%;
}
.breadcrumbs-bar .container {
  display: flex;
  align-items: center;
}
.breadcrumbs-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.86rem;
  color: var(--ink-muted);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 2px 0;
  width: 100%;
}
.breadcrumbs-list::-webkit-scrollbar {
  display: none;
}
.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.breadcrumb-item a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-body);
  font-weight: 500;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.breadcrumb-item a:hover {
  color: var(--bronze-dark);
  background: var(--paper-card);
}
.breadcrumb-separator {
  display: inline-flex;
  align-items: center;
  color: var(--bronze-light);
  opacity: 0.7;
  user-select: none;
  margin: 0 2px;
  flex-shrink: 0;
}
.breadcrumb-current {
  color: var(--bronze-dark);
  font-weight: 700;
  padding: 4px 10px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ==========================================================================
   DEDICATED PRODUCT DETAIL PAGE (libro.html)
   ========================================================================== */
.product-detail-section {
  padding: 44px 0 72px;
}
@media (min-width: 992px) {
  .product-detail-section {
    padding: 60px 0 90px;
  }
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 992px) {
  .product-detail-grid {
    grid-template-columns: 460px 1fr;
    gap: 64px;
  }
}

/* Left Column: Visual Stage & Gallery */
.product-gallery-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 96px;
}
.product-pedestal-wrap {
  width: 100%;
  max-width: 340px;
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px 32px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 30px rgba(21, 19, 17, 0.04);
}
.product-pedestal-wrap .book-cover-physical {
  width: 250px;
  max-width: 100%;
}
.product-edition-pill {
  margin-top: 24px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze-dark);
  background: var(--paper-base);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

/* Right Column: Information, Specs & Reading Sample */
.product-info-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-header-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.product-genre-badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--bronze-light);
  color: var(--ink-primary);
  margin-bottom: 4px;
}
.product-title-main {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.15;
}
.product-subtitle-main {
  font-family: var(--font-book);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink-muted);
  line-height: 1.35;
}
.product-author-main {
  font-family: var(--font-book);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--bronze-dark);
  margin-top: 2px;
}

/* Price & Stock Strip */
.product-pricing-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 22px;
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.product-price-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--ink-primary);
  letter-spacing: -0.02em;
}
.product-stock-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}
.product-stock-tag.in-stock {
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #C8E6C9;
}
.product-stock-tag.out-of-stock {
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #FFCDD2;
}

/* CTAs */
.product-actions-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.product-actions-bar .btn-mp-primary {
  flex-grow: 2;
  min-width: 240px;
  padding: 14px 24px;
  font-size: 1rem;
}
.product-actions-bar .btn-secondary {
  flex-grow: 1;
  padding: 14px 20px;
  font-size: 0.92rem;
}

/* Synopsis */
.product-synopsis-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-section-heading {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 8px;
}
.product-synopsis-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink-body);
}

/* Bibliographic Specs Card */
.product-specs-box {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.specs-table-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 600px) {
  .specs-table-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
  }
}
.spec-row-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.86rem;
  border-bottom: 1px dashed var(--line-subtle);
  padding-bottom: 6px;
}
.spec-label-title {
  color: var(--ink-muted);
  font-weight: 500;
}
.spec-label-val {
  color: var(--ink-primary);
  font-weight: 700;
  text-align: right;
}

/* Reading Sample Box (In-Page Reader) */
.product-sample-card {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-left: 4px solid var(--bronze);
  border-radius: var(--radius-md);
  padding: 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: inset 0 0 24px rgba(21, 19, 17, 0.02);
}
.sample-chapter-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--bronze);
}
.sample-chapter-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink-primary);
}
.sample-prose-text {
  font-family: var(--font-book);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--ink-body);
  white-space: pre-line;
}
.sample-prose-text::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 3.4rem;
  line-height: 0.85;
  padding-right: 12px;
  padding-top: 4px;
  color: var(--bronze-dark);
  font-weight: 700;
}
.sample-editorial-note {
  font-size: 0.84rem;
  color: var(--ink-muted);
  font-style: italic;
  border-top: 1px solid var(--line-subtle);
  padding-top: 10px;
}

/* Trust & Shipping Badges */
.product-trust-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 8px;
}
@media (min-width: 600px) {
  .product-trust-strip {
    grid-template-columns: 1fr 1fr;
  }
}
.trust-item-card {
  background: var(--paper-base);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--ink-body);
}

/* Related Books Section */
.related-section {
  padding: 56px 0 72px;
  background: var(--paper-sheet);
  border-top: 1px solid var(--line);
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 28px;
}
@media (min-width: 600px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   DEDICATED NOSOTROS PAGE (nosotros.html)
   ========================================================================== */
.nosotros-page-hero {
  padding: 54px 0 60px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at 50% 20%, rgba(212, 155, 91, 0.08) 0%, transparent 65%);
  text-align: center;
}
.nosotros-hero-content {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.nosotros-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.15;
}
.nosotros-hero-lead {
  font-family: var(--font-book);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.manifesto-body-section {
  padding: 64px 0 80px;
}
.manifesto-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 992px) {
  .manifesto-layout {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 64px;
  }
}

.manifesto-prose {
  display: flex;
  flex-direction: column;
  gap: 24px;
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--ink-body);
}
.manifesto-prose h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-top: 16px;
  border-bottom: 2px solid var(--bronze-light);
  padding-bottom: 6px;
  display: inline-block;
}
.manifesto-quote-card {
  background: var(--paper-sheet);
  border-left: 4px solid var(--bronze);
  padding: 22px 26px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-book);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-primary);
  line-height: 1.6;
  box-shadow: 0 4px 16px rgba(21, 19, 17, 0.03);
  margin: 8px 0;
}

.nosotros-sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.pillar-card {
  background: var(--paper-sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition);
}
.pillar-card:hover {
  border-color: var(--bronze);
  box-shadow: 0 8px 20px rgba(21, 19, 17, 0.05);
}
.pillar-icon {
  font-size: 1.8rem;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
}
.pillar-desc {
  font-size: 0.9rem;
  color: var(--ink-body);
  line-height: 1.55;
}

.nosotros-cta-banner {
  margin-top: 48px;
  background: var(--ink-primary);
  color: var(--paper-sheet);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  border-top: 3px solid var(--bronze);
}
.nosotros-cta-banner h3 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--paper-sheet);
}
.nosotros-cta-banner p {
  color: #B5AFA7;
  max-width: 580px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.nosotros-cta-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ==========================================================================
   PROGRESSIVE WEB APP (PWA) & OFFLINE NOTIFICATIONS
   ========================================================================== */
.pwa-install-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 500px;
  background: var(--ink-primary);
  color: var(--paper-sheet);
  border: 1px solid var(--bronze);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  padding: 14px 16px;
  z-index: 10000;
  animation: pwaSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.pwa-install-banner.dismissed {
  opacity: 0;
  transform: translate(-50%, 20px);
  pointer-events: none;
}
@keyframes pwaSlideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 30px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}
.pwa-banner-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}
.pwa-banner-icon img {
  border-radius: var(--radius-sm);
  display: block;
}
.pwa-banner-text {
  flex: 1;
  min-width: 0;
}
.pwa-banner-text strong {
  display: block;
  font-size: 0.92rem;
  color: var(--paper-sheet);
  font-family: var(--font-serif);
  letter-spacing: 0.02em;
}
.pwa-banner-text p {
  font-size: 0.78rem;
  color: #B5AFA7;
  margin-top: 2px;
  line-height: 1.35;
}
.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pwa-btn-install {
  background: var(--bronze);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.pwa-btn-install:hover {
  background: var(--bronze-light);
  transform: translateY(-1px);
}
.pwa-btn-dismiss {
  background: transparent;
  color: #9E978E;
  font-size: 1.1rem;
  padding: 4px 6px;
  cursor: pointer;
  transition: var(--transition);
}
.pwa-btn-dismiss:hover {
  color: var(--paper-sheet);
}

/* Offline / Online Toast */
.pwa-toast {
  position: fixed;
  top: 76px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-primary);
  color: var(--paper-sheet);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10001;
  border: 1px solid var(--line);
  animation: pwaToastIn 0.3s ease;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.pwa-toast.fade-out {
  opacity: 0;
  transform: translate(-50%, -10px);
}
@keyframes pwaToastIn {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
.toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #E5A84B;
}
.pwa-toast-offline .toast-dot {
  background: #E05252;
}
.pwa-toast-online .toast-dot {
  background: #34D399;
}

/* ==========================================================================
   MICROINTERACTIONS & TACTILE 2026 ENHANCEMENTS
   ========================================================================== */
/* 1. Reflejo Especular Dinámico en Portadas */
.book-cover-physical {
  transform-style: preserve-3d;
  will-change: transform;
}
.book-specular-sheen {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: inherit;
}

/* 2. Feedback Táctil Háptico en Botones */
.btn-mp-primary:active,
.btn-secondary:active,
.btn-card-preview:active,
.btn-card-buy:active,
.btn-mini-preview:active,
.btn-mini-buy:active,
.nav-btn:active {
  transform: scale(0.96) !important;
  filter: brightness(0.96);
  transition: transform 0.08s ease, filter 0.08s ease;
}

/* 3. Animación de Impacto en Bolsa (Cart Pop) */
.cart-trigger.cart-bump {
  animation: cartBump 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes cartBump {
  0% { transform: scale(1); }
  40% { transform: scale(1.18) rotate(-4deg); }
  75% { transform: scale(0.96) rotate(2deg); }
  100% { transform: scale(1); }
}

.cart-count.count-pop {
  animation: countPop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes countPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.4) rotate(6deg); background: var(--wax-red); color: #fff; }
  100% { transform: scale(1); }
}

/* 4. View Transitions API para Navegación Suave (SPA Feel) */
@view-transition {
  navigation: auto;
}
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.25s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}