/* ==========================================================================
   BLOG EDITORIAL DESIGN SYSTEM - ALAN LÓPEZ
   ========================================================================== */

/* Variables del Sistema */
:root {
  --bg-primary: #fcfbf7;       /* Warm editorial book-like background */
  --bg-secondary: #ffffff;     /* White for cards and widgets */
  --text-primary: #121212;     /* Deep black for primary content */
  --text-secondary: #5a5a55;   /* Warm dark gray for descriptions and secondary text */
  --text-muted: #9e9d96;       /* Light warm gray for dates/labels */
  --accent-color: #0b533a;     /* Deep emerald green for active state and highlights */
  --accent-light: #e6f3ee;     /* Very light tint of green for highlights */
  --accent-hover: #073827;     /* Darker green for hover states */
  --accent-active: #042419;
  
  --border-color: #e8e6df;     /* Delicate warm gray border */
  --error-color: #c93b2b;      /* Elegant red for validation errors */
  --success-color: #0b533a;    /* Success green */

  --font-title: 'Outfit', sans-serif;
  --font-body: 'Lora', serif;

  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-subtle: 0 4px 20px rgba(18, 18, 18, 0.02);
  --shadow-card: 0 16px 40px rgba(18, 18, 18, 0.04);
}

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

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

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

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Ocultar elementos visualmente (accesibilidad) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   PANTALLA DE CARGA (LOADER OVERLAY)
   -------------------------------------------------------------------------- */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loader-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px stroke var(--border-color);
  border-top: 3px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.55, 0.085, 0.68, 0.53) infinite;
  margin-bottom: 20px;
}
.loader-text {
  font-family: var(--font-title);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   CABECERA PRINCIPAL (MAIN HEADER)
   -------------------------------------------------------------------------- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(252, 251, 247, 0.85); /* Frosty transparent */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-fast);
}
.header-container {
  max-width: 1440px;
  height: 80px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* Menú Izquierda */
.header-nav {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  padding: 8px 0;
  transition: var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover {
  color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-link.active {
  color: var(--text-primary);
}

/* Logo Central */
.header-logo {
  text-align: center;
}
.header-logo a {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}
.header-logo a:hover {
  opacity: 0.8;
}

/* Redes Sociales Derecha */
.header-socials {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}
.social-icon-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}
.social-icon-link svg {
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.social-icon-link:hover {
  color: var(--accent-color);
}
.social-icon-link:hover svg {
  transform: translateY(-2px) scale(1.1);
  stroke: var(--accent-color);
}

/* Botón Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Drawer de navegación móvil */
.mobile-menu-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 80px);
  background-color: var(--bg-primary);
  z-index: 99;
  padding: 40px;
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  border-top: 1px solid var(--border-color);
}
.mobile-menu-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.mobile-nav-link {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}
.drawer-divider {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 32px 0;
}
.drawer-socials {
  display: flex;
  gap: 24px;
}
.drawer-socials a {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   LAYOUT GENERAL (CONTENT GRID WRAPPER)
   -------------------------------------------------------------------------- */
.content-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px;
  min-height: calc(100vh - 200px);
}

.main-grid-container {
  display: grid;
  grid-template-columns: 100px 1fr 380px;
  gap: 60px;
}

/* --------------------------------------------------------------------------
   COLUMNA IZQUIERDA: MENÚ INTERACTIVO (STORY NUMBERS LIST)
   -------------------------------------------------------------------------- */
.stories-index-nav {
  position: sticky;
  top: 140px;
  height: fit-content;
}
.story-numbers-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.story-number-item {
  position: relative;
  display: flex;
  align-items: center;
}
.story-num-btn {
  background: none;
  border: none;
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 4px 0;
  text-align: left;
  letter-spacing: -0.02em;
}
.story-num-btn:hover {
  color: var(--text-primary);
  transform: translateX(5px);
}
.story-number-item.active .story-num-btn {
  color: var(--accent-color);
  transform: translateX(10px);
}

/* Dot indicador de relato activo */
.story-number-item::before {
  content: '';
  position: absolute;
  left: -15px;
  width: 6px;
  height: 6px;
  background-color: var(--accent-color);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  transition: var(--transition-smooth);
}
.story-number-item.active::before {
  opacity: 1;
  transform: scale(1);
}

/* --------------------------------------------------------------------------
   COLUMNA CENTRAL: VISTA DE HISTORIA (STORY VIEWPORT)
   -------------------------------------------------------------------------- */
.story-viewport {
  min-width: 0; /* Evita que grid colapse */
}
.story-card {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
/* Clase usada para efectos de transición en el carrusel */
.story-card.fade-out {
  opacity: 0;
  transform: translateY(-20px);
}

.story-meta-category {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-color);
  margin-bottom: 16px;
}
.category-tag {
  background-color: var(--accent-light);
  padding: 4px 10px;
  border-radius: 20px;
}
.meta-dot {
  width: 4px;
  height: 4px;
  background-color: var(--text-muted);
  border-radius: 50%;
}
#story-meta-author {
  color: var(--text-secondary);
}

.story-main-title {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.story-excerpt {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
  border-left: 2px solid var(--border-color);
  padding-left: 16px;
}

/* Imagen de portada */
.story-image-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  margin-bottom: 40px;
  position: relative;
  background-color: #efede8;
}
.story-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.story-image-container:hover .story-cover-img {
  transform: scale(1.03);
}

/* Botón Leer Relato */
.btn-read-story {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--accent-color);
  color: var(--bg-secondary);
  border: none;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 36px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-subtle);
  width: fit-content;
}
.btn-read-story .arrow-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-read-story:hover {
  background-color: var(--accent-hover);
  box-shadow: var(--shadow-card);
}
.btn-read-story:hover .arrow-icon {
  transform: translateX(6px);
}
.btn-read-story:active {
  background-color: var(--accent-active);
  transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   COLUMNA DERECHA: SIDEBAR (INFO & NEWSLETTER)
   -------------------------------------------------------------------------- */
.sidebar-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.sidebar-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 32px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
}
.sidebar-section:hover {
  box-shadow: var(--shadow-card);
}

/* Indicador de sección */
.section-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.indicator-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
}
.indicator-dot.green {
  background-color: var(--accent-color);
}
.section-indicator h2 {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

/* Widget Sobre Mí */
.about-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}
.sidebar-socials {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-social-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: var(--transition-fast);
}
.sidebar-social-link:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}

/* Widget Newsletter */
.newsletter-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}
.form-group input {
  font-family: var(--font-title);
  font-size: 0.95rem;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.form-group input:focus {
  border-color: var(--accent-color);
  background-color: var(--bg-secondary);
}

/* Estilos de Error de Validación */
.form-group.invalid input {
  border-color: var(--error-color);
  background-color: rgba(201, 59, 43, 0.02);
}
.error-msg {
  display: none;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--error-color);
  margin-top: 2px;
}
.form-group.invalid .error-msg {
  display: block;
}

/* Botón Newsletter */
.btn-submit-newsletter,
.btn-submit-horizontal {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--text-primary);
  color: var(--bg-secondary);
  border: none;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}
.btn-submit-newsletter:hover,
.btn-submit-horizontal:hover {
  background-color: var(--accent-color);
}
.btn-submit-newsletter:disabled,
.btn-submit-horizontal:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Spinner de envío */
.submit-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--bg-secondary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  position: absolute;
}
.submit-spinner.hidden {
  display: none;
}

/* Mensajes de respuesta del Formulario */
.form-response {
  margin-top: 20px;
  padding: 16px;
  border-radius: 4px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-title);
  font-size: 0.9rem;
  animation: fadeIn 0.4s ease;
}
.form-response.success {
  background-color: var(--accent-light);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
}
.form-response.error {
  background-color: rgba(201, 59, 43, 0.05);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}
.form-response.hidden {
  display: none;
}
.form-response svg {
  flex-shrink: 0;
  margin-top: 2px;
}

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

/* --------------------------------------------------------------------------
   VISTA INMERSIVA DE LECTURA (READER OVERLAY)
   -------------------------------------------------------------------------- */
.reader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 1000;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.reader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Barra de progreso de lectura */
.progress-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--border-color);
  z-index: 1002;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background-color: var(--accent-color);
  transition: width 0.1s ease;
}

/* Navbar superior del lector */
.reader-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  height: 70px;
  background-color: rgba(252, 251, 247, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  z-index: 1001;
}
.reader-nav-brand {
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: 0.15em;
  font-size: 1.1rem;
}
.btn-close-reader {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}
.btn-close-reader:hover {
  color: var(--text-primary);
}
.btn-close-reader svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-close-reader:hover svg {
  transform: rotate(90deg);
}

/* Contenido de Lectura */
.reader-viewport {
  flex: 1;
  padding: 60px 40px 100px;
  display: flex;
  justify-content: center;
}
.reader-article {
  max-width: 680px; /* Ancho áureo de lectura (65-75 caracteres por línea) */
  width: 100%;
}

.reader-header {
  margin-bottom: 40px;
  text-align: center;
}
.reader-meta {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-color);
  margin-bottom: 16px;
}
.reader-title {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.reader-subtitle {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Portada dentro de la lectura */
.reader-cover-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 48px;
  border: 1px solid var(--border-color);
  background-color: #efede8;
}
.reader-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Cuerpo de relato (Tipografía y ritmo vertical) */
.reader-body-content {
  font-family: var(--font-body);
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-primary);
}
.reader-body-content p {
  margin-bottom: 28px;
}
.reader-body-content h3 {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 48px 0 20px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.reader-body-content blockquote {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--accent-color);
  border-left: 3px solid var(--accent-color);
  padding-left: 24px;
  margin: 40px 0;
  line-height: 1.6;
}

/* Divisor de final de lectura */
.reader-end-separator {
  text-align: center;
  margin: 64px 0 48px;
}
.separator-symbol {
  font-family: var(--font-title);
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.5em;
}

/* Widget de Newsletter dentro de la lectura */
.reader-newsletter-section {
  margin-bottom: 64px;
}
.reader-newsletter-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 40px;
  box-shadow: var(--shadow-subtle);
}
.newsletter-box-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.newsletter-box-header h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.reader-newsletter-box p {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* Formulario horizontal */
.newsletter-form-horizontal .form-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.flex-1 {
  flex: 1;
}
.newsletter-form-horizontal .form-group input {
  width: 100%;
}
.btn-submit-horizontal {
  width: auto;
  white-space: nowrap;
  padding: 12px 32px;
  height: 48px;
}

/* Navegación inferior entre relatos */
.reader-story-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}
.btn-nav-prev,
.btn-nav-next {
  background: none;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  transition: var(--transition-fast);
}
.btn-nav-next {
  text-align: right;
  justify-content: flex-end;
}
.btn-nav-prev:hover,
.btn-nav-next:hover {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}

.nav-direction {
  display: block;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.nav-title {
  display: block;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.btn-nav-prev:hover .nav-title,
.btn-nav-next:hover .nav-title {
  color: var(--accent-hover);
}

/* --------------------------------------------------------------------------
   PIE DE PÁGINA (MAIN FOOTER)
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: #121212;
  color: #8c8c88;
  padding: 60px 40px;
  margin-top: 80px;
  border-top: 1px solid #1a1a1a;
}
.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: #ffffff;
}
.footer-copy {
  font-family: var(--font-title);
  font-size: 0.85rem;
}
.footer-socials {
  display: flex;
  gap: 24px;
}
.footer-socials a {
  color: #8c8c88;
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}
.footer-socials a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   MEDIA QUERIES (SOPORTE RESPONSIVE)
   -------------------------------------------------------------------------- */

/* Tablets / Pantallas Medianas (< 1024px) */
@media (max-width: 1024px) {
  .main-grid-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  /* Esconder el menú de números del lateral y mover el viewport */
  .stories-index-nav {
    display: none; /* Se creará dinámicamente arriba del viewport en mobile */
  }
  
  .content-wrapper {
    padding: 24px;
  }
  
  .sidebar-container {
    margin-top: 40px;
  }
}

/* Móviles / Pantallas Pequeñas (< 768px) */
@media (max-width: 768px) {
  .header-container {
    padding: 0 20px;
    height: 70px;
    grid-template-columns: 1fr auto;
  }
  
  .header-nav,
  .header-socials {
    display: none; /* Mover a drawer móvil */
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu-drawer {
    top: 70px;
    height: calc(100vh - 70px);
    padding: 30px;
  }
  
  .story-main-title {
    font-size: 2.2rem;
  }
  
  .story-excerpt {
    font-size: 1.05rem;
  }
  
  .story-image-container {
    aspect-ratio: 3 / 4; /* Proporción móvil vertical */
  }
  
  .btn-read-story {
    width: 100%;
    justify-content: center;
  }
  
  .sidebar-section {
    padding: 24px;
  }
  
  /* Lector en Mobile */
  .reader-navbar {
    padding: 0 20px;
    height: 60px;
  }
  .reader-viewport {
    padding: 40px 20px 80px;
  }
  .reader-title {
    font-size: 2rem;
  }
  .reader-subtitle {
    font-size: 1.1rem;
  }
  .reader-cover-container {
    aspect-ratio: 3 / 4; /* Portada vertical */
  }
  .reader-body-content {
    font-size: 1.05rem;
  }
  
  .newsletter-form-horizontal .form-row {
    flex-direction: column;
    width: 100%;
  }
  .newsletter-form-horizontal .form-group {
    width: 100%;
  }
  .btn-submit-horizontal {
    width: 100%;
  }
  
  .reader-story-navigation {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

/* Selector Horizontal de Historias para Mobile y Tablet */
.mobile-stories-swiper {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 4px 16px;
  margin-bottom: 24px;
  list-style: none;
  scrollbar-width: none; /* Firefox */
}
.mobile-stories-swiper::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}
.mobile-swiper-item {
  flex-shrink: 0;
}
.mobile-swiper-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-fast);
}
.mobile-swiper-item.active .mobile-swiper-btn {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--bg-secondary);
}