/* ==========================================================================
   MOSAICO TV - PORTAL BROADCAST & MAGAZINE INFORMATIVO
   Estilo: Noticiero / Canal de Televisión de Alta Calidad (Televen / Venevisión)
   ========================================================================== */

:root {
  /* Paleta Corporativa Oficial Mosaico TV */
  --color-primary: #0c4f84;
  --color-primary-dark: #07355a;
  --color-primary-deep: #031e34;
  --color-secondary: #0097b2;
  --color-secondary-light: #00c7ea;
  --color-accent: #ffbe0b;
  --color-accent-red: #e63946;
  --color-live: #ef233c;

  /* Fondos y Superficies (Modo Claro por defecto) */
  --bg-body: #f4f7fb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-alt: #ebf1f8;
  --border-color: #dbe4ef;
  --border-subtle: #edf2f7;

  /* Tipografías y Colores de Texto */
  --text-primary: #0f1c2d;
  --text-secondary: #475569;
  --text-muted: #8092a7;
  --text-inverse: #ffffff;

  /* Sombras y Efectos Broadcast */
  --shadow-sm: 0 2px 4px rgba(12, 79, 132, 0.06);
  --shadow-md: 0 4px 14px rgba(12, 79, 132, 0.1);
  --shadow-lg: 0 10px 30px rgba(12, 79, 132, 0.15);
  --shadow-xl: 0 20px 40px rgba(3, 30, 52, 0.22);
  --shadow-glow: 0 0 25px rgba(0, 151, 178, 0.35);

  /* Transiciones y Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  --font-heading: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --container-max: 1380px;
}

[data-theme="dark"] {
  --bg-body: #06111e;
  --bg-surface: #0b1a2d;
  --bg-surface-elevated: #11243d;
  --bg-surface-alt: #132742;
  --border-color: #1a3556;
  --border-subtle: #142841;

  --text-primary: #f3f7fc;
  --text-secondary: #94a9c4;
  --text-muted: #627b9b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 12px 35px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.85);
}

/* ==========================================================================
   RESET & BASICS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   TOP BAR: BREAKING NEWS TICKER (CINTILLO DE ÚLTIMA HORA)
   ========================================================================== */
.top-ticker-bar {
  background: linear-gradient(90deg, #031e34 0%, #0c4f84 50%, #0097b2 100%);
  color: #ffffff;
  font-size: 0.82rem;
  padding: 0.4rem 0;
  position: relative;
  z-index: 1001;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.ticker-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--color-live);
  color: #fff;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.65rem;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 0 12px rgba(239, 35, 60, 0.6);
  animation: pulse-live 2s infinite;
}

.ticker-live-dot {
  width: 7px;
  height: 7px;
  background: #ffffff;
  border-radius: 50%;
  display: inline-block;
  animation: blink-dot 1s infinite alternate;
}

@keyframes blink-dot {
  0% { opacity: 0.2; }
  100% { opacity: 1; }
}

@keyframes pulse-live {
  0%, 100% { box-shadow: 0 0 8px rgba(239, 35, 60, 0.4); }
  50% { box-shadow: 0 0 18px rgba(239, 35, 60, 0.85); }
}

.ticker-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  gap: 2.5rem;
  animation: scroll-ticker 38s linear infinite;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #e2eaf5;
  font-weight: 500;
}

.ticker-item:hover {
  color: var(--color-accent);
}

.ticker-item strong {
  color: var(--color-secondary-light);
}

.ticker-controls {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.78rem;
  color: #cbdcf2;
  white-space: nowrap;
}

.ticker-time {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-family: monospace;
  font-weight: 700;
  color: #ffbe0b;
}

@keyframes scroll-ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   BROADCAST HEADER & NAVIGATION
   ========================================================================== */
.main-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1.5rem;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-img:hover {
  transform: scale(1.03);
}

.brand-tagline {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

[data-theme="dark"] .brand-title {
  color: #ffffff;
}

.brand-slogan {
  font-size: 0.7rem;
  color: var(--color-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Navegación Principal */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  transition: all var(--transition-fast);
}

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

[data-theme="dark"] .nav-link:hover, [data-theme="dark"] .nav-link.active {
  color: var(--color-secondary-light);
  background: var(--bg-surface-elevated);
}

.nav-link-badge {
  background: var(--color-secondary);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  text-transform: uppercase;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-signal-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #0c4f84, #0097b2);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 10px rgba(0, 151, 178, 0.3);
  transition: all var(--transition-fast);
}

.btn-signal-live:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(0, 151, 178, 0.45);
}

.btn-admin-cms {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-admin-cms {
  color: var(--color-secondary-light);
}

.btn-admin-cms:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.mobile-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-size: 1.25rem;
}

/* ==========================================================================
   HERO NEWS MAGAZINE & LEAD STORY
   ========================================================================== */
.hero-news-section {
  padding: 1.75rem 0 2rem;
  background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-surface-alt) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr;
  gap: 1.5rem;
}

/* Tarjeta Principal (Lead Story) */
.lead-story-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #031e34;
  display: flex;
  flex-direction: column;
  min-height: 480px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.lead-story-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.lead-image-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.lead-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.lead-story-card:hover .lead-image-wrap img {
  transform: scale(1.04);
}

.lead-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(3, 30, 52, 0.2) 0%, rgba(3, 30, 52, 0.7) 40%, rgba(3, 30, 52, 0.98) 100%);
}

.lead-content {
  position: relative;
  z-index: 3;
  margin-top: auto;
  padding: 2.25rem;
  color: #ffffff;
}

.badge-broadcast {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-secondary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.85rem;
}

.badge-broadcast.alert {
  background: var(--color-accent-red);
}

.lead-title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 0.85rem;
  color: #ffffff;
}

.lead-excerpt {
  font-size: 1rem;
  color: #d1e2f7;
  line-height: 1.55;
  margin-bottom: 1.25rem;
  max-width: 90%;
}

.story-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.82rem;
  color: #9ec5ed;
}

.story-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Columna Lateral de Noticias Secundarias */
.side-stories-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.side-story-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.side-story-card:hover {
  transform: translateX(4px);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.side-story-thumb {
  position: relative;
  height: 100%;
  min-height: 105px;
  overflow: hidden;
}

.side-story-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.side-story-card:hover .side-story-thumb img {
  transform: scale(1.06);
}

.side-story-body {
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.side-story-category {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

[data-theme="dark"] .side-story-category {
  color: var(--color-secondary-light);
}

.side-story-title {
  font-family: var(--font-heading);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.side-story-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SECCIÓN DE PROGRAMAS (GRILLA BROADCAST) - ABREN EN NUEVA PESTAÑA
   ========================================================================== */
.programs-section {
  padding: 3.5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.85rem;
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.section-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-action-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

[data-theme="dark"] .section-action-link {
  color: var(--color-secondary-light);
}

.section-action-link:hover {
  text-decoration: underline;
}

.programs-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.filter-btn {
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Tarjeta Individual de Programa */
.program-card {
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
  position: relative;
}

.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.program-poster-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #021422;
}

.program-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.program-card:hover .program-poster-img {
  transform: scale(1.08);
}

.program-poster-badges {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.program-category-badge {
  background: rgba(12, 79, 132, 0.9);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.program-age-rating {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  color: var(--color-accent);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.program-poster-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(3, 30, 52, 0.85) 100%);
  display: flex;
  align-items: flex-end;
  padding: 0.85rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.program-card:hover .program-poster-overlay {
  opacity: 1;
}

.quick-view-btn {
  width: 100%;
  background: var(--color-secondary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.45rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.program-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.program-schedule-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.program-card-title {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.program-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.program-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  margin-top: auto;
}

.program-team-preview {
  font-size: 0.72rem;
  color: var(--text-muted);
  max-width: 60%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.program-open-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--bg-surface-alt);
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .program-open-tab-btn {
  color: var(--color-secondary-light);
}

.program-card:hover .program-open-tab-btn {
  background: var(--color-primary);
  color: #ffffff;
}

/* ==========================================================================
   PARRILLA DE PROGRAMACIÓN (TV GUIDE)
   ========================================================================== */
.tv-guide-section {
  padding: 3.5rem 0;
  background: var(--bg-body);
}

.tv-guide-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.tv-guide-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.guide-day-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-tab-btn {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.guide-tab-btn.active {
  background: var(--color-primary);
  color: #ffffff;
}

.guide-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-live);
  background: rgba(239, 35, 60, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
}

.schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.schedule-row {
  display: grid;
  grid-template-columns: 100px 180px 1fr 140px;
  align-items: center;
  padding: 0.9rem 1.25rem;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-sm);
  border-left: 4px solid transparent;
  transition: all var(--transition-fast);
}

.schedule-row:hover {
  background: var(--border-color);
  transform: translateX(4px);
}

.schedule-row.is-live {
  border-left-color: var(--color-live);
  background: rgba(239, 35, 60, 0.05);
}

.schedule-time {
  font-family: monospace;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary);
}

[data-theme="dark"] .schedule-time {
  color: var(--color-secondary-light);
}

.schedule-show-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
}

.schedule-show-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-right: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-action-btn {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  justify-content: flex-end;
}

.schedule-action-btn:hover {
  text-decoration: underline;
}

/* ==========================================================================
   SECCIONES POR CATEGORÍAS (ACTUALIDAD, DEPORTES, CULTURA, FARÁNDULA)
   ========================================================================== */
.category-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.news-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.news-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.news-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.news-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-card-thumb img {
  transform: scale(1.05);
}

.news-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  margin-bottom: 0.5rem;
}

.news-card-tag {
  color: var(--color-primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

[data-theme="dark"] .news-card-tag {
  color: var(--color-secondary-light);
}

.news-card-date {
  color: var(--text-muted);
}

.news-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.news-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.news-card-author {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   BANNER INSTITUCIONAL: ¿QUÉ ES MOSAICO TV? MISIÓN Y VISIÓN
   ========================================================================== */
.about-broadcast-banner {
  background: linear-gradient(135deg, #031e34 0%, #0c4f84 60%, #0097b2 100%);
  color: #ffffff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.about-banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.about-lead-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 1rem;
}

.about-lead-desc {
  font-size: 1.08rem;
  color: #d1e5fa;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.about-mv-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.mv-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.mv-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mv-card-text {
  font-size: 0.86rem;
  color: #e2eeff;
  line-height: 1.55;
}

/* ==========================================================================
   BROADCAST FOOTER (PIE DE PÁGINA)
   ========================================================================== */
.main-footer {
  background: #031422;
  color: #c5d8ee;
  padding: 3.5rem 0 1.5rem;
  border-top: 3px solid var(--color-secondary);
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.footer-brand-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #94aeca;
  margin-bottom: 1.25rem;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.78rem;
  transition: all var(--transition-fast);
}

.social-pill:hover {
  background: var(--color-secondary);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.4rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-secondary);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.footer-links-list a:hover {
  color: #ffffff;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: #6983a1;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .lead-title {
    font-size: 1.5rem;
  }
  .programs-grid {
    grid-template-columns: 1fr;
  }
  .news-cards-grid {
    grid-template-columns: 1fr;
  }
  .schedule-row {
    grid-template-columns: 80px 1fr;
    gap: 0.5rem;
  }
  .schedule-show-desc {
    grid-column: span 2;
  }
  .schedule-action-btn {
    grid-column: span 2;
    justify-content: flex-start;
  }
  .about-banner-grid {
    grid-template-columns: 1fr;
  }
  .about-mv-cards {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}