/* ==========================================================================
   SISTEMA DE DISEÑO & VARIABLES (El Corazón de Piles)
   ========================================================================== */
:root {
  --color-bg-main: #0c0a09;
  --color-bg-sec: #161210;
  --color-bg-tert: #221c19;
  --color-accent: #e67e22;
  --color-accent-light: #ff9f43;
  --color-accent-dark: #b33921;
  --color-text-light: #f5ece5;
  --color-text-muted: #bcaba0;
  --color-text-dark: #2c2520;
  --color-gold: #d4af37;
  --color-gold-light: #f1c40f;
  
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --container-width: 1200px;
  --header-height: 80px;
}

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

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

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

/* ==========================================================================
   AMBIENTE Y DECORACIONES DE FONDO
   ========================================================================== */
/* Luces de fondo difusas */
.ambient-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 80vh;
  background: radial-gradient(circle, rgba(230, 126, 34, 0.08) 0%, rgba(0,0,0,0) 70%);
  z-index: -2;
  pointer-events: none;
}

.ambient-fire-glow {
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 60vw;
  height: 60vh;
  background: radial-gradient(circle, rgba(179, 57, 33, 0.06) 0%, rgba(0,0,0,0) 70%);
  z-index: -2;
  pointer-events: none;
}

/* ==========================================================================
   COMPONENTES DE REUTILIZACIÓN (BOTONES, BADGES, ETC.)
   ========================================================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.w-full {
  width: 100%;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.5);
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid rgba(245, 236, 229, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(245, 236, 229, 0.05);
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  border-radius: 12px;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Estilo interior para botones grandes con subtítulo */
.btn-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
}

.btn-inner i {
  font-size: 1.8rem;
}

.btn-text {
  display: flex;
  flex-direction: column;
}

.btn-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
  font-weight: 400;
}

.btn-title {
  font-size: 1.1rem;
  font-weight: 700;
}

/* Pulsación brillante */
.pulse-glow {
  position: relative;
  overflow: hidden;
}

.pulse-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0) 45%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0) 55%
  );
  transform: rotate(45deg);
  animation: shine 4s infinite;
}

@keyframes shine {
  0% { transform: translate(-30%, -30%) rotate(45deg); }
  20%, 100% { transform: translate(50%, 50%) rotate(45deg); }
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(230, 126, 34, 0.1);
  border: 1px solid rgba(230, 126, 34, 0.2);
  color: var(--color-accent-light);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.badge-accent {
  background-color: rgba(212, 175, 55, 0.1);
  border-color: rgba(212, 175, 55, 0.2);
  color: var(--color-gold-light);
}

/* Encabezados de sección estándar */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-text-light);
}

.section-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: 15px auto 0 auto;
}

.section-desc {
  max-width: 600px;
  margin: 15px auto 0 auto;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(12, 10, 9, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 236, 229, 0.05);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.main-header.scrolled {
  height: 70px;
  background-color: rgba(12, 10, 9, 0.9);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  text-decoration: none;
}

.logo-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-text-light);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-fast);
}

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Botón menú móvil */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.mobile-menu-btn .bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-light);
  transition: var(--transition-smooth);
}

.mobile-menu-btn.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active .bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Menú móvil overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-main);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
  left: 0;
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 80%;
  max-width: 320px;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  text-align: center;
}

.mobile-nav-link:hover {
  color: var(--color-accent-light);
}

.mobile-cta-group {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  min-height: 95vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  line-height: 1.25;
  margin-bottom: 20px;
  font-weight: 900;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  background: linear-gradient(180deg, #ffffff 40%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
  max-width: 580px;
}

/* Argumentos USP rápidos */
.usp-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}

.usp-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.usp-item i {
  margin-top: 4px;
  font-size: 1rem;
}

.usp-item strong {
  color: var(--color-text-light);
}

.hero-actions {
  margin-bottom: 30px;
}

.hero-reviews {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-reviews .stars {
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.reviews-text {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
}

/* ==========================================================================
   MODELO DE LIBRO 3D (INTERACTIVO)
   ========================================================================== */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Contenedor del Libro 3D */
.book-container {
  width: 280px;
  height: 420px;
  perspective: 1200px; /* Perspectiva 3D */
  z-index: 10;
}

/* Estructura general 3D del Libro */
.book-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-20deg) rotateX(10deg);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.book-container:hover .book-3d {
  transform: rotateY(-8deg) rotateX(5deg);
}

/* Caras del Libro */
.book-cover, .book-spine, .book-back {
  position: absolute;
  height: 100%;
  background-color: #1a1a1a;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

/* Portada */
.book-cover {
  width: 100%;
  left: 0;
  top: 0;
  z-index: 2;
  transform: translateZ(20px); /* Mitad del grosor del lomo */
  border-radius: 0 4px 4px 0;
  overflow: hidden;
  box-shadow: 5px 5px 20px rgba(0,0,0,0.6);
}

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

/* Brillo en la portada */
.book-cover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    115deg,
    rgba(255,255,255,0.12) 0%,
    rgba(255,255,255,0.03) 30%,
    rgba(0,0,0,0) 60%
  );
  z-index: 3;
}

/* Lomo (Spine) */
.book-spine {
  width: 40px; /* Grosor del libro */
  left: -20px; /* Centrado en el eje Y */
  top: 0;
  transform: rotateY(-90deg);
  background: linear-gradient(90deg, #090807 0%, #1a1512 50%, #090807 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: inset -3px 0 5px rgba(0,0,0,0.5);
  border-radius: 2px 0 0 2px;
  overflow: hidden;
}

/* Texto del Lomo escrito en vertical y en oro */
.book-spine::after {
  content: 'EL CORAZÓN DE PILES  •  JANMI PACE';
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  white-space: nowrap;
  transform: rotate(-90deg);
  opacity: 0.85;
}

/* Contraportada (Back Cover) */
.book-back {
  width: 100%;
  left: 0;
  top: 0;
  transform: translateZ(-20px) rotateY(180deg);
  background: #110e0c;
  border-radius: 4px 0 0 4px;
  box-shadow: -5px 5px 20px rgba(0,0,0,0.6);
}

/* Sombra dinámica proyectada abajo */
.book-shadow {
  width: 240px;
  height: 25px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 70%);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  pointer-events: none;
}

.book-interaction-hint {
  margin-top: 45px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   SECTION: SINOPSIS
   ========================================================================== */
.synopsis-section {
  padding: 100px 0;
  background-color: var(--color-bg-sec);
}

.synopsis-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.synopsis-text-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.synopsis-lead {
  font-size: 1.3rem;
  color: var(--color-text-light);
  line-height: 1.5;
  font-weight: 400;
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
}

.synopsis-paragraphs {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.synopsis-paragraphs strong {
  color: var(--color-text-light);
}

.synopsis-quote {
  margin-top: 15px;
  background-color: rgba(245, 236, 229, 0.02);
  border: 1px solid rgba(245, 236, 229, 0.05);
  padding: 24px;
  border-radius: 12px;
  position: relative;
}

.synopsis-quote blockquote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-accent-light);
  font-style: italic;
  line-height: 1.5;
}

.synopsis-quote::before {
  content: '“';
  font-family: var(--font-serif);
  font-size: 4rem;
  color: rgba(230, 126, 34, 0.1);
  position: absolute;
  top: -10px;
  left: 15px;
}

/* Tarjetas de Argumentos de Venta (USPs) */
.synopsis-usp-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.usp-card {
  background-color: var(--color-bg-tert);
  border: 1px solid rgba(245, 236, 229, 0.03);
  padding: 24px;
  border-radius: 16px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition-smooth);
}

.usp-card:hover {
  transform: translateY(-5px);
  border-color: rgba(230, 126, 34, 0.2);
  background-color: rgba(230, 126, 34, 0.02);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card-icon {
  background-color: rgba(230, 126, 34, 0.1);
  color: var(--color-accent);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.usp-card:hover .card-icon {
  background-color: var(--color-accent);
  color: #fff;
  transform: scale(1.1);
}

.card-content h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-text-light);
}

.card-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==========================================================================
   SECTION: DETALLES (MISTERIO E HISTORIA)
   ========================================================================== */
.details-section {
  padding: 100px 0;
  position: relative;
}

.details-interactive-box {
  background-color: var(--color-bg-sec);
  border: 1px solid rgba(245, 236, 229, 0.04);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.details-visual {
  position: relative;
  min-height: 400px;
  overflow: hidden;
  background-color: #000;
}

.bg-artistic-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: grayscale(40%) contrast(120%) brightness(80%);
  transform: scale(1.05);
  transition: transform 6s ease;
}

.details-interactive-box:hover .bg-artistic-img {
  transform: scale(1.15);
}

/* Degradado naranja/fuego superpuesto */
.image-overlay-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(12, 10, 9, 0) 0%,
    rgba(12, 10, 9, 0.8) 100%
  ),
  linear-gradient(
    to bottom,
    rgba(230, 126, 34, 0.25) 0%,
    transparent 100%
  );
  z-index: 1;
}

.details-info {
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  z-index: 2;
  position: relative;
}

.details-info h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.details-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 30px;
}

/* Grid de Estadísticas / Datos */
.details-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  margin-bottom: 40px;
  border-top: 1px solid rgba(245, 236, 229, 0.08);
  padding-top: 30px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-mini-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background-color: var(--color-bg-tert);
  padding: 20px 24px;
  border-radius: 12px;
  border-left: 3px solid var(--color-accent);
}

.cta-mini-box p {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  max-width: 60%;
}

/* ==========================================================================
   SECTION: BOOK TRAILERS
   ========================================================================== */
.trailers-section {
  padding: 100px 0;
  background-color: var(--color-bg-tert);
}

/* Toggles de selección */
.video-toggle-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.video-tab-btn {
  background-color: var(--color-bg-sec);
  border: 1px solid rgba(245, 236, 229, 0.08);
  color: var(--color-text-muted);
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 10px;
}

.video-tab-btn:hover {
  color: var(--color-text-light);
  border-color: rgba(230, 126, 34, 0.4);
}

.video-tab-btn.active {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.3);
}

/* Contenedor del Vídeo */
.video-display-area {
  max-width: 850px;
  margin: 0 auto;
  background-color: var(--color-bg-sec);
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(245, 236, 229, 0.05);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.video-wrapper {
  display: none;
}

.video-wrapper.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Aspect Ratios para Vídeos Responsivos */
.iframe-container-16-9 {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background-color: #000;
}

.iframe-container-16-9 iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Contenedor vertical optimizado para Shorts móviles */
.iframe-container-vertical {
  max-width: 380px;
  margin: 0 auto;
  position: relative;
  padding-bottom: 177.77%; /* 9:16 ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background-color: #000;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.iframe-container-vertical iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ==========================================================================
   SECTION: BANDA SONORA (PLAYLIST INTEGRADA)
   ========================================================================== */
.soundtrack-section {
  padding: 100px 0;
  position: relative;
}

.soundtrack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.soundtrack-info h2 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  margin-bottom: 20px;
  line-height: 1.25;
}

.soundtrack-info p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.soundtrack-pitch {
  font-style: italic;
  border-left: 2px solid var(--color-gold);
  padding-left: 16px;
  color: var(--color-text-light) !important;
}

.soundtrack-links {
  margin-top: 35px;
}

.soundtrack-links h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.platform-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.platform-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 320px;
}

.platform-btn.spotify {
  background-color: rgba(30, 215, 96, 0.1);
  color: #1ed760;
  border: 1px solid rgba(30, 215, 96, 0.2);
}

.platform-btn.spotify:hover {
  background-color: #1ed760;
  color: #000;
  box-shadow: 0 5px 15px rgba(30, 215, 96, 0.3);
  transform: translateY(-2px);
}

.platform-btn.yt-music {
  background-color: rgba(255, 0, 0, 0.1);
  color: #ff0000;
  border: 1px solid rgba(255, 0, 0, 0.2);
}

.platform-btn.yt-music:hover {
  background-color: #ff0000;
  color: #fff;
  box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
  transform: translateY(-2px);
}

.platform-btn.apple-music {
  background-color: rgba(252, 60, 87, 0.1);
  color: #fc3c57;
  border: 1px solid rgba(252, 60, 87, 0.2);
}

.platform-btn.apple-music:hover {
  background-color: #fc3c57;
  color: #fff;
  box-shadow: 0 5px 15px rgba(252, 60, 87, 0.3);
  transform: translateY(-2px);
}

.soundtrack-player {
  display: flex;
  justify-content: center;
}

.spotify-card {
  width: 100%;
  max-width: 450px;
  background-color: var(--color-bg-sec);
  padding: 12px;
  border-radius: 20px;
  border: 1px solid rgba(245, 236, 229, 0.04);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

/* ==========================================================================
   SECTION: AUTOR
   ========================================================================== */
.author-section {
  padding: 100px 0;
  background-color: var(--color-bg-sec);
}

.author-card {
  background-color: var(--color-bg-tert);
  border: 1px solid rgba(245, 236, 229, 0.03);
  border-radius: 24px;
  padding: 50px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.author-image-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Contenedor del avatar */
.author-avatar-bg {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  padding: 4px;
  margin-bottom: 20px;
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.2);
}

.author-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-tert);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--color-accent-light);
}

.author-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.author-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

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

.author-bio {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.author-bio h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.2;
}

.author-bio p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.author-socials-box {
  margin-top: 20px;
  border-top: 1px solid rgba(245, 236, 229, 0.08);
  padding-top: 20px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.author-socials-box span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.linktree-btn {
  border-color: rgba(212, 175, 55, 0.3);
  color: var(--color-gold-light);
}

.linktree-btn:hover {
  background-color: rgba(212, 175, 55, 0.05);
  border-color: var(--color-gold-light);
  color: var(--color-gold-light);
}

/* ==========================================================================
   SECTION: CTA FINAL DE COMPRA
   ========================================================================== */
.final-cta-section {
  padding: 120px 0;
  position: relative;
  background-image: url('assets/cover.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Parallax effect */
  text-align: center;
}

.final-cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(12, 10, 9, 0.9) 0%,
    rgba(12, 10, 9, 0.95) 50%,
    rgba(12, 10, 9, 0.98) 100%
  );
  z-index: 1;
}

.relative {
  position: relative;
  z-index: 2;
}

.cta-box {
  max-width: 900px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  color: var(--color-accent-light);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 15px;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 4px 15px rgba(0,0,0,0.6);
}

.cta-desc {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto 50px auto;
  line-height: 1.5;
}

/* Tarjetas de Venta Final */
.cta-buttons-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.cta-card {
  background-color: rgba(22, 18, 16, 0.85);
  border: 1px solid rgba(245, 236, 229, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px 30px;
  text-decoration: none;
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-smooth);
  position: relative;
}

.cta-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

.cta-card-badge {
  position: absolute;
  top: -12px;
  background-color: var(--color-bg-tert);
  border: 1px solid rgba(245, 236, 229, 0.1);
  color: var(--color-text-muted);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-best {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 4px 10px rgba(230, 126, 34, 0.3);
}

.cta-card-icon {
  font-size: 2.5rem;
  color: var(--color-accent-light);
  margin-bottom: 20px;
  transition: var(--transition-fast);
}

.cta-card:hover .cta-card-icon {
  transform: scale(1.15);
}

.glow-card {
  border-color: rgba(230, 126, 34, 0.2);
  box-shadow: 0 0 20px rgba(230, 126, 34, 0.05);
}

.glow-card:hover {
  border-color: var(--color-accent-light);
  box-shadow: 0 0 30px rgba(230, 126, 34, 0.2);
}

.cta-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.cta-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 30px;
  flex-grow: 1;
}

.cta-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent-light);
  transition: var(--transition-fast);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.cta-card:hover .cta-card-btn {
  color: #fff;
  border-color: var(--color-accent-light);
}

.cta-card-btn i {
  transition: transform 0.2s ease;
}

.cta-card:hover .cta-card-btn i {
  transform: translateX(4px);
}

/* Garantías Rápidas */
.guarantees {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(245, 236, 229, 0.06);
  padding-top: 30px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.guarantee-item i {
  color: var(--color-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
  background-color: #080605;
  border-top: 1px solid rgba(245, 236, 229, 0.04);
  padding: 80px 0 0 0;
  font-size: 0.95rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-brand p {
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-links h4,
.footer-disclaimer h4 {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-disclaimer p {
  color: rgba(188, 171, 160, 0.7);
  font-size: 0.85rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(245, 236, 229, 0.04);
  padding: 30px 0;
  color: rgba(188, 171, 160, 0.5);
  font-size: 0.8rem;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.designer-credit {
  font-style: italic;
}

/* ==========================================================================
   ANIMACIONES DE ENTRADA (IntersectionObserver)
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE DESIGN)
   ========================================================================== */

/* Pantallas grandes y medianas (Escritorio mediano) */
@media (max-width: 1024px) {
  :root {
    --header-height: 70px;
  }
  
  .hero-title {
    font-size: 2.4rem;
  }
  
  .hero-container {
    gap: 40px;
  }
  
  .synopsis-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .soundtrack-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .author-card {
    grid-template-columns: 1fr;
    padding: 40px;
    gap: 30px;
  }
  
  .author-image-area {
    border-bottom: 1px solid rgba(245, 236, 229, 0.06);
    padding-bottom: 30px;
  }
  
  .details-interactive-box {
    grid-template-columns: 1fr;
  }
  
  .details-visual {
    min-height: 300px;
  }
}

/* Pantallas Tablet */
@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-menu {
    display: none;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .usp-list {
    align-items: center;
  }
  
  .hero-actions {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  
  .hero-actions .btn-group {
    justify-content: center;
    width: 100%;
    max-width: 480px;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .details-info {
    padding: 30px 24px;
  }
  
  .details-stats-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    text-align: center;
  }
  
  .cta-mini-box {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .cta-mini-box p {
    max-width: 100%;
  }
  
  .cta-mini-box .btn {
    width: 100%;
  }
  
  .video-toggle-container {
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .video-tab-btn {
    width: 100%;
    justify-content: center;
  }
  
  .cta-buttons-container {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 420px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Pantallas móviles (Móviles pequeños) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  
  .hero-tagline {
    font-size: 1rem;
  }
  
  .book-container {
    width: 230px;
    height: 345px;
  }
  
  .book-shadow {
    width: 200px;
  }
  
  .book-spine::after {
    font-size: 0.55rem;
  }
  
  .synopsis-lead {
    font-size: 1.15rem;
  }
  
  .usp-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
  }
  
  .cta-title {
    font-size: 2.2rem;
  }
  
  .cta-desc {
    font-size: 1rem;
  }
}