/* ==========================================================================
   LEGACY GROUP SYSTEMS - CENTRO DE DESCARGAS & RECURSOS
   Paleta: Azul Turquesa, Oro / Dorado, Blanco y Slate Navy
   ========================================================================== */

:root {
  /* Colores Corporativos */
  --color-primary: #0f766e;        /* Turquesa Profundo */
  --color-primary-dark: #115e59;   /* Turquesa Obscuro */
  --color-primary-light: #14b8a6;  /* Turquesa Brillante */
  --color-primary-soft: #f0fdfa;   /* Turquesa Suave Fondo */
  
  --color-gold: #c59b27;           /* Oro Metálico */
  --color-gold-light: #e6c86e;     /* Oro Claro */
  --color-gold-dark: #9a7619;      /* Oro Obscuro */
  --color-gold-soft: #fefce8;      /* Oro Fondo Suave */
  
  --color-bg: #f8fafc;             /* Fondo Principal */
  --color-card: #ffffff;           /* Fondo Tarjetas */
  --color-text-main: #0f172a;      /* Texto Principal */
  --color-text-muted: #475569;     /* Texto Secundario */
  --color-text-light: #94a3b8;     /* Texto Atenuado */
  
  --border-color: #e2e8f0;
  --border-gold: rgba(197, 155, 39, 0.35);
  
  /* Sombras y Efectos */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(15, 118, 110, 0.12), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-gold: 0 8px 24px -4px rgba(197, 155, 39, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Contenedor Global */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   BARRA DE NAVEGACIÓN SUPERIOR (STICKY)
   ========================================================================== */
.top-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 2px;
  border: 1px solid var(--border-gold);
}

.nav-title-group h1 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.nav-title-group span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

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

.nav-quick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-full);
  box-shadow: 0 3px 10px rgba(15, 118, 110, 0.25);
  transition: var(--transition);
}

.btn-nav-contact:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(15, 118, 110, 0.35);
}

/* ==========================================================================
   HERO / CABECERA CORPORATIVA
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 45px 0 35px 0;
  background: radial-gradient(circle at 50% 0%, rgba(20, 184, 166, 0.12) 0%, rgba(254, 252, 232, 0.25) 50%, #f8fafc 100%);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.hero-decoration-circle {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 155, 39, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-logo-box {
  width: 110px;
  height: 110px;
  margin-bottom: 18px;
  padding: 8px;
  background: #ffffff;
  border-radius: 24px;
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-gold);
  animation: floatSubtle 4s ease-in-out infinite alternate;
}

@keyframes floatSubtle {
  0% { transform: translateY(0); }
  100% { transform: translateY(-6px); }
}

.hero-logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-primary-dark);
  background: rgba(20, 184, 166, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  margin-bottom: 25px;
}

/* Tarjeta de Directores */
.directors-card {
  width: 100%;
  max-width: 920px;
  margin-top: 10px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-gold);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: center;
  text-align: left;
}

.directors-photo-wrap {
  position: relative;
  width: 190px;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--color-gold);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.directors-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.directors-photo-wrap:hover img {
  transform: scale(1.04);
}

.directors-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.directors-header {
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 10px;
}

.directors-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.directors-header p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.directors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.director-item {
  background: var(--color-primary-soft);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: var(--radius-md);
  padding: 14px;
}

.director-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  word-break: break-all;
}

.contact-row a {
  color: var(--color-primary-dark);
  font-weight: 600;
  transition: var(--transition);
}

.contact-row a:hover {
  color: var(--color-gold-dark);
  text-decoration: underline;
}

.contact-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.12);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

/* Bloques Misión y Visión */
.mv-container {
  width: 100%;
  max-width: 920px;
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.mv-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.mv-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-primary);
}

.mv-card.vision {
  border-left-color: var(--color-primary);
}

.mv-card.vision:hover {
  border-left-color: var(--color-gold);
}

.mv-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.mv-card.vision .mv-badge {
  color: var(--color-primary);
}

.mv-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   BARRA DE BÚSQUEDA RÁPIDA / FILTRO
   ========================================================================== */
.search-filter-section {
  padding: 22px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
}

.search-box-wrap {
  position: relative;
  max-width: 650px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  height: 52px;
  padding: 0 50px 0 50px;
  font-size: 0.98rem;
  background: var(--color-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  outline: none;
  transition: var(--transition);
  color: var(--color-text-main);
}

.search-input:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.15);
}

.search-icon-left {
  position: absolute;
  top: 50%;
  left: 18px;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.15rem;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.1rem;
  display: none;
}

.search-clear-btn:hover {
  color: var(--color-text-main);
}

/* ==========================================================================
   ESTRUCTURA DE SECCIONES / RECUADROS
   ========================================================================== */
.main-content {
  padding: 40px 0 80px 0;
}

.section-block {
  margin-bottom: 55px;
  scroll-margin-top: 90px;
}

.section-header {
  margin-bottom: 24px;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.section-pill.gold {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  line-height: 1.25;
}

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

/* Alerta de Upline en Recuadro 1 */
.upline-notice-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #fefce8 0%, #fffbeb 100%);
  border: 1.5px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(197, 155, 39, 0.12);
}

.upline-notice-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.upline-notice-text h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.upline-notice-text p {
  font-size: 0.92rem;
  color: #78350f;
  font-weight: 600;
}

/* ==========================================================================
   TARJETAS DE MATERIALES / DESCARGAS (GRIDS)
   ========================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.cards-grid.single-item {
  grid-template-columns: minmax(320px, 480px);
}

.resource-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(20, 184, 166, 0.4);
}

/* Vista previa de imagen */
.card-preview-area {
  position: relative;
  width: 100%;
  height: 230px;
  background: #f1f5f9;
  overflow: hidden;
  cursor: pointer;
}

.card-preview-area img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.resource-card:hover .card-preview-area img {
  transform: scale(1.03);
}

.card-preview-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.resource-card:hover .card-preview-overlay {
  opacity: 1;
}

.btn-zoom-preview {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 118, 110, 0.9);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transform: translateY(8px);
  transition: var(--transition);
}

.resource-card:hover .btn-zoom-preview {
  transform: translateY(0);
}

.card-format-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  z-index: 2;
}

.badge-img {
  background: #ffffff;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-light);
}

.badge-pdf {
  background: #dc2626;
  color: #ffffff;
}

.badge-video {
  background: #0284c7;
  color: #ffffff;
}

.badge-youtube {
  background: #dc2626;
  color: #ffffff;
}

/* Área de contenido de tarjeta */
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  line-height: 1.35;
}

.card-desc {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

/* Botones de acción */
.card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.btn-download-primary {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-md);
  box-shadow: 0 3px 10px rgba(15, 118, 110, 0.2);
  transition: var(--transition);
}

.btn-download-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  box-shadow: 0 5px 15px rgba(15, 118, 110, 0.35);
  transform: translateY(-1px);
}

.btn-secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border: 1px solid rgba(20, 184, 166, 0.3);
  font-size: 1.1rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-secondary-action:hover {
  background: rgba(20, 184, 166, 0.2);
  color: var(--color-primary-dark);
}

/* Tarjetas solo PDF */
.pdf-placeholder-hero {
  height: 150px;
  background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #fecaca;
  color: #dc2626;
  position: relative;
}

.pdf-icon-big {
  font-size: 3.2rem;
  margin-bottom: 4px;
}

.pdf-size-badge {
  font-size: 0.75rem;
  font-weight: 700;
  background: #ffffff;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ==========================================================================
   PESTAÑAS DE IDIOMA (SECCIÓN 2)
   ========================================================================== */
.tabs-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.tab-btn.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}

.tab-badge {
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.25);
}

.tab-btn:not(.active) .tab-badge {
  background: var(--border-color);
  color: var(--color-text-main);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Tarjetas de Video */
.video-preview-area {
  position: relative;
  width: 100%;
  height: 200px;
  background: #0f172a;
  overflow: hidden;
  cursor: pointer;
}

.video-preview-area img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.resource-card:hover .video-preview-area img {
  transform: scale(1.05);
  opacity: 1;
}

.video-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.9);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.video-play-button.youtube-red {
  background: rgba(239, 68, 68, 0.95);
}

.resource-card:hover .video-play-button {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--color-gold);
  color: #fff;
}

.video-duration-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  border-radius: 4px;
}

.btn-play-primary {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.btn-play-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  transform: translateY(-1px);
}

.btn-play-primary.youtube-btn {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}

.btn-play-primary.youtube-btn:hover {
  background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
}

/* ==========================================================================
   MODAL DE VIDEO Y LIGHTBOX DE IMÁGENES
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  position: relative;
  width: 100%;
  max-width: 960px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  background: #f8fafc;
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e2e8f0;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.btn-modal-close:hover {
  background: #cbd5e1;
  color: #dc2626;
}

.modal-video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  background: #000;
}

.modal-video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
}

.btn-modal-external {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-modal-external:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Lightbox de Imagen */
.lightbox-dialog {
  max-width: 850px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.lightbox-dialog .modal-header {
  background: #1e293b;
  border-bottom: 1px solid #334155;
}

.lightbox-dialog .modal-title {
  color: #f8fafc;
}

.lightbox-dialog .btn-modal-close {
  background: #334155;
  color: #f8fafc;
}

.lightbox-dialog .btn-modal-close:hover {
  background: #475569;
}

.lightbox-img-wrap {
  max-height: 75vh;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: #090d16;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-dialog .modal-footer {
  background: #1e293b;
  border-top: 1px solid #334155;
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.main-footer {
  background: #0a252c;
  color: #cbd5e1;
  padding: 45px 0 25px 0;
  border-top: 2px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 35px;
  margin-bottom: 35px;
}

.footer-brand h2 {
  font-size: 1.3rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 6px;
}

.footer-brand p.slogan {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.footer-brand p.desc {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 420px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-primary-light);
  display: inline-block;
  padding-bottom: 4px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
}

.footer-links a {
  color: #94a3b8;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: #64748b;
}

/* Toast de Descarga Exitosa */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  background: #0f172a;
  color: #ffffff;
  border-left: 4px solid var(--color-primary-light);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVIDAD (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .directors-card {
    grid-template-columns: 180px 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    height: auto;
    padding: 10px 0 8px 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav-brand {
    justify-content: space-between;
  }
  .nav-links {
    display: flex;
    overflow-x: auto;
    width: 100%;
    padding: 4px 0 6px 0;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    gap: 6px;
    scrollbar-width: none; /* Firefox */
  }
  .nav-links::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
  }
  .nav-link {
    padding: 6px 12px;
    font-size: 0.8rem;
    background: #f1f5f9;
    flex-shrink: 0;
  }
  .btn-nav-contact {
    display: none;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .directors-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .directors-photo-wrap {
    margin: 0 auto;
    width: 160px;
    height: 190px;
  }
  .directors-grid {
    grid-template-columns: 1fr;
  }
  .contact-row {
    justify-content: center;
  }
  .mv-container {
    grid-template-columns: 1fr;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}