/* ============================================================ */
/* BLOG TÉCNICO — ProSilicones64                               */
/* Diseño editorial digital tipo Vogue/Harper's Bazaar         */
/* Layout asimétrico limpio y sofisticado                      */
/* ============================================================ */

/* ==================== VARIABLES ESPECÍFICAS ==================== */
:root {
  /* Hero Colors (EXACTO de _ubicacion.css - el azul oscuro intenso REAL) */
  --blog-hero-gradient-start: #0a0e27;
  --blog-hero-gradient-end: #1a1d3a;

  /* Hero Dimensions (89VH sistema empresa-2025) */
  --blog-hero-height: 89vh;
  --blog-hero-min: 600px;
  --blog-hero-max: 900px;

  /* Content Colors */
  --blog-content-bg: #ffffff;
  --blog-content-bg-alt: #f9fafb;
  --blog-text-primary: #333;
  --blog-text-secondary: #3c3c3c;
  --blog-text-muted: #666;
  --blog-accent: var(--color-principal, #3BAAFE);

  /* Typography */
  --blog-font-display: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  --blog-font-body: 'Inter', -apple-system, system-ui, sans-serif;

  /* Spacing (sistema de 8px como páginas legales) */
  --blog-space-1: 8px;
  --blog-space-2: 16px;
  --blog-space-3: 24px;
  --blog-space-4: 32px;
  --blog-space-5: 40px;
  --blog-space-6: 48px;
  --blog-space-8: 64px;
  --blog-space-10: 80px;

  /* Layout */
  --blog-container-max: 1440px;
  --blog-content-max: 900px;
  --blog-card-max: 1200px;
}

/* ==================== HERO EDITORIAL (89VH) ==================== */
.blog-hero {
  position: relative !important;
  height: 89vh !important;
  max-height: 89vh !important;
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  background: linear-gradient(135deg, #0a0e27 0%, #1a1d3a 100%) !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 5% !important;
}

/* Overlay sutil limpio */
.blog-hero-overlay {
  position: absolute !important;
  inset: 0 !important;
  background: radial-gradient(circle at 70% 30%, rgba(59, 170, 254, 0.08) 0%, transparent 50%) !important;
  pointer-events: none !important;
}

/* IMAGEN EDITORIAL DERECHA - Cuadrada, altura del hero */
.blog-hero-image {
  position: absolute !important;
  right: 5rem !important;
  top: 0 !important;
  height: 100% !important;
  width: auto !important;
  aspect-ratio: 1 / 1 !important;
  object-fit: cover !important;
  z-index: 1 !important;
  opacity: 0.85 !important;
}

/* Contenido más estrecho para no llegar a la foto */
.blog-hero-content {
  position: relative !important;
  z-index: 2 !important;
  text-align: left !important;
  max-width: 630px !important;
  width: 100% !important;
}

/* Margen izquierdo solo en la página de listado (blog.php) */
.blog-landing .blog-hero-content {
  margin-left: 80px !important; /* Separación del logo */
}

/* Eyebrow - Categoría minimalista */
.blog-hero-eyebrow {
  display: inline-block !important;
  font-family: var(--blog-font-body) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 2.5px !important;
  color: #3BAAFE !important;
  margin-bottom: 0.5rem !important;
}

/* H1 - Reducido para mantener 87vh */
.blog-hero h1 {
  font-family: var(--blog-font-display) !important;
  font-size: clamp(32px, 4vw, 48px) !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  letter-spacing: -0.02em !important;
  color: #ffffff !important;
  margin: 0 0 0.5rem 0 !important;
  max-width: 100% !important;
}

/* Subtítulo limpio */
.blog-hero-subtitle {
  font-family: var(--blog-font-body) !important;
  font-size: 18px !important;
  font-weight: 400 !important;
  line-height: 1.65 !important;
  color: rgba(255, 255, 255, 0.75) !important;
  margin: 0 0 1rem 0 !important;
  max-width: 100% !important;
}

/* Separador - Línea completa */
.blog-hero-divider {
  width: 100% !important;
  height: 1px !important;
  background: rgba(255, 255, 255, 0.2) !important;
  margin: 0 0 1rem 0 !important;
}

/* Meta info debajo de la línea */
.blog-hero-meta {
  display: flex !important;
  gap: 2rem !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  font-family: var(--blog-font-body) !important;
  padding-top: 0 !important;
}

.blog-hero-meta span {
  font-size: 12px !important;
  font-weight: 500 !important;
  color: rgba(255, 255, 255, 0.6) !important;
  letter-spacing: 0.5px !important;
  text-transform: uppercase !important;
}

/* Separadores entre meta items */
.blog-hero-meta span:not(:last-child)::after {
  content: '/' !important;
  margin-left: 2rem !important;
  opacity: 0.4 !important;
}

/* ==================== LANDING PAGE (LISTADO) ==================== */
.blog-landing {
  background: var(--blog-content-bg-alt);
}

.blog-listing {
  max-width: var(--blog-card-max);
  margin: 0 auto;
  padding: var(--blog-space-10) var(--blog-space-4);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--blog-space-6);
  margin-top: var(--blog-space-6);
}

.blog-card {
  background: var(--blog-content-bg);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.16);
}

.blog-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #f9fafb;
}

.blog-card-content {
  padding: var(--blog-space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--blog-space-2);
  font-size: 13px;
  color: var(--blog-text-muted);
  font-family: var(--blog-font-body);
  margin-bottom: 0.5rem;
}

.meta-categoria-tiempo {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  align-items: flex-start;
}

.meta-tiempo {
  font-size: 12px;
  color: var(--blog-text-muted);
  font-weight: 500;
}

.meta-fecha {
  font-size: 13px;
  color: var(--blog-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.blog-card-autor {
  font-size: 0.85rem;
  color: #666;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.blog-card-autor strong {
  color: var(--blog-accent);
}

.blog-card-categoria {
  padding: 0.25rem 0.75rem;
  background: var(--blog-accent);
  color: #ffffff;
  border-radius: 4px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1;
}

.blog-card-titulo {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--blog-text-primary);
  font-family: var(--blog-font-display);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  margin-bottom: 2.5rem !important;
}

.blog-card-excerpt {
  font-size: 16px;
  line-height: 1.6;
  color: var(--blog-text-secondary);
  font-family: var(--blog-font-body);
  margin-bottom: var(--blog-space-3);
  overflow: hidden;
  flex: 1;
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blog-accent);
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  transition: gap 0.3s ease;
  font-family: var(--blog-font-body);
  margin-top: auto;
}

.blog-card-link:hover {
  gap: 0.75rem;
  text-decoration: underline;
}

/* ==================== PÁGINA DE ARTÍCULO (sistema p25-section) ==================== */
.articulo-page {
  background: var(--blog-content-bg);
}

/* Contenedor principal del artículo */
.articulo-contenido {
  max-width: var(--blog-content-max);
  margin: 0 auto;
  padding: var(--blog-space-10) var(--blog-space-4);
}

/* Introducción destacada (como info-box de páginas legales) */
.articulo-intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--blog-text-secondary);
  margin-bottom: var(--blog-space-8);
  padding: var(--blog-space-4);
  background: #f9f9f9;
  border-left: 4px solid var(--blog-accent);
  border-radius: 0 8px 8px 0;
  font-family: var(--blog-font-body);
}

.articulo-intro p {
  margin: 0;
}

/* Secciones del artículo */
.articulo-seccion {
  margin-bottom: var(--blog-space-10);
  scroll-margin-top: var(--blog-space-8);
}

/* H2 - Títulos principales de sección (como páginas legales) */
.articulo-seccion h2 {
  font-family: var(--blog-font-display) !important;
  font-size: clamp(2rem, 4vw, 2.75rem) !important;
  font-weight: 700 !important;
  color: var(--blog-text-primary) !important;
  margin: 0 0 var(--blog-space-4) 0 !important;
  line-height: 1.2 !important;
}

/* H3 - Subtítulos (como páginas legales) */
.articulo-seccion h3 {
  font-family: var(--blog-font-display) !important;
  font-size: 1.3rem !important;
  margin-top: 2rem !important;
  margin-bottom: 1rem !important;
  color: var(--blog-text-primary) !important;
  font-weight: 600 !important;
}

/* H4 - Sub-subtítulos */
.articulo-seccion h4 {
  font-family: var(--blog-font-body) !important;
  font-size: 1.125rem !important;
  margin-top: 1.5rem !important;
  margin-bottom: 0.75rem !important;
  color: var(--blog-text-primary) !important;
  font-weight: 600 !important;
}

/* Párrafos (tipografía páginas legales) */
.articulo-seccion p {
  font-family: var(--blog-font-body) !important;
  font-size: 1.0625rem !important;
  line-height: 1.75 !important;
  color: var(--blog-text-secondary) !important;
  margin-bottom: 1.25rem !important;
}

.articulo-seccion strong {
  font-weight: 600;
  color: var(--blog-text-primary);
}

/* Listas (como páginas legales) */
.articulo-seccion ul,
.articulo-seccion ol {
  font-family: var(--blog-font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--blog-text-secondary);
  margin-bottom: var(--blog-space-4);
  padding-left: 2rem;
}

.articulo-seccion li {
  margin-bottom: 0.75rem;
}

/* Subsecciones */
.articulo-subseccion {
  margin-bottom: 2rem;
}

/* ==================== BLOQUES ESPECIALES (como páginas legales) ==================== */

/* Datos destacados - Info boxes */
.datos-destacados {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--blog-space-4);
  margin: var(--blog-space-6) 0;
}

.dato-item {
  padding: 1.5rem;
  background: #f9f9f9;
  border-left: 4px solid var(--blog-accent);
  border-radius: 0 8px 8px 0;
}

.dato-item strong {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: 0.75rem;
  font-family: var(--blog-font-display);
}

.dato-item p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--blog-text-secondary);
  margin: 0;
  font-family: var(--blog-font-body);
}

.dato-item ul {
  margin: 0;
  padding-left: 1.5rem;
}

/* Bloques de certificación */
.bloque-certificacion {
  margin: 2rem 0;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.bloque-certificacion h3 {
  font-size: 1.25rem !important;
  margin-top: 0 !important;
}

/* Error blocks (advertencias) */
.error-block {
  padding: 1.5rem;
  margin: 2rem 0;
  background: #fff5f5;
  border-left: 4px solid #e53e3e;
  border-radius: 0 8px 8px 0;
}

.error-block h4 {
  color: #e53e3e;
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.error-block p {
  margin-bottom: 0.75rem;
}

.error-block ul {
  margin-bottom: 0;
}

/* Bloques de solución (éxito) */
.solucion-block {
  padding: 1.5rem;
  margin: 2rem 0;
  background: #f0fff4;
  border-left: 4px solid #38a169;
  border-radius: 0 8px 8px 0;
}

.solucion-block h4 {
  color: #38a169;
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.solucion-block p {
  margin-bottom: 0.75rem;
}

.solucion-block ul {
  margin-bottom: 0;
}

/* ==================== TABLAS TÉCNICAS (como páginas legales) ==================== */
.tabla-tecnica {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  table-layout: fixed;
}

.tabla-tecnica thead {
  background: var(--blog-accent);
  color: #ffffff;
}

.tabla-tecnica th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.9375rem;
  font-family: var(--blog-font-body);
}

.tabla-tecnica td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-family: var(--blog-font-body);
  font-size: 1rem;
  color: var(--blog-text-secondary);
}

.tabla-tecnica tbody tr:hover {
  background: #f9fafb;
}

.tabla-tecnica tbody tr:last-child td {
  border-bottom: none;
}

/* ==================== CONCLUSIÓN ==================== */
.articulo-conclusion {
  margin: var(--blog-space-10) 0;
  padding: var(--blog-space-6);
  background: #f9fafb;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.articulo-conclusion h2 {
  font-family: var(--blog-font-display);
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: var(--blog-space-4);
}

.articulo-conclusion p {
  font-family: var(--blog-font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--blog-text-secondary);
  margin-bottom: var(--blog-space-3);
}

/* ==================== CTA FINAL ==================== */
.articulo-cta {
  margin: var(--blog-space-10) 0;
  padding: var(--blog-space-8);
  background: linear-gradient(135deg, #0a0e27 0%, #1a1d3a 100%);
  color: #ffffff;
  border-radius: 12px;
  text-align: center;
}

.articulo-cta h3 {
  font-family: var(--blog-font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.articulo-cta p {
  font-family: var(--blog-font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: #ffffff !important;
}

.articulo-cta .btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: #ffffff;
  color: #0a0e27;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 2px solid #ffffff;
  font-family: var(--blog-font-body);
}

.articulo-cta .btn:hover {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

/* ==================== ENLACES (como páginas legales) ==================== */
.articulo-contenido a {
  color: var(--blog-accent);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.articulo-contenido a:hover {
  color: #2563eb;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .blog-hero-content {
    max-width: 100% !important;
  }

  .blog-hero-logo {
    max-width: 140px !important;
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 3rem 5% !important;
    max-height: 87vh !important;
    min-height: 500px !important;
  }

  /* Margen izquierdo solo en la página de listado (móvil) */
  .blog-landing .blog-hero-content {
    margin-left: 60px !important; /* Separación del logo en móvil */
  }

  .blog-hero-image {
    right: 0 !important;
    opacity: 0.65 !important;
  }

  .blog-hero h1 {
    font-size: clamp(36px, 8vw, 48px) !important;
  }

  .blog-hero-subtitle {
    font-size: 16px !important;
  }

  .blog-hero-meta {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }

  .blog-hero-meta span:not(:last-child)::after {
    display: none !important;
  }

  .blog-listing,
  .articulo-contenido {
    padding: var(--blog-space-6) var(--blog-space-3);
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--blog-space-4);
  }

  .articulo-seccion h2 {
    font-size: clamp(1.75rem, 5vw, 2rem) !important;
  }

  .articulo-seccion h3 {
    font-size: 1.125rem !important;
  }

  .datos-destacados {
    grid-template-columns: 1fr;
  }

  .articulo-cta {
    padding: var(--blog-space-6) var(--blog-space-4);
  }

  .tabla-tecnica {
    font-size: 0.875rem;
  }

  .tabla-tecnica th,
  .tabla-tecnica td {
    padding: 0.75rem 1rem;
  }
}

@media (max-width: 480px) {
  .blog-card-content {
    padding: var(--blog-space-3);
  }

  .articulo-intro {
    padding: var(--blog-space-3);
    font-size: 1rem;
  }

  .dato-item,
  .error-block,
  .solucion-block,
  .bloque-certificacion {
    padding: 1.25rem;
  }

  .blog-hero h1 {
    font-size: clamp(32px, 9vw, 42px) !important;
  }

  .blog-hero-image {
    right: 0 !important;
    opacity: 0.5 !important;
  }

  .blog-hero-eyebrow {
    font-size: 10px !important;
  }
}

/* ==================== INTERLINKS (SECTORES/PRODUCTOS) ==================== */
/* Layout vertical: H3 arriba, párrafos, cards abajo */
.blog-interlink-section {
  margin: var(--blog-space-6) 0;
}

.blog-interlink-content {
  margin-bottom: var(--blog-space-4);
}

.blog-interlink-content h3 {
  font-family: var(--blog-font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: var(--blog-space-3);
  line-height: 1.3;
}

.blog-interlink-content p {
  font-family: var(--blog-font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--blog-text-secondary);
  margin-bottom: var(--blog-space-3);
}

.blog-interlink-cards {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Card individual con imagen de fondo y texto overlay */
.card-interlink {
  position: relative;
  display: block;
  width: 280px;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-decoration: none;
}

.card-interlink::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
  z-index: 1;
  transition: all 0.3s ease;
}

.card-interlink:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.card-interlink:hover::before {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.3) 60%);
}

.card-interlink img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.card-interlink h3 {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  color: #ffffff !important;
  font-family: var(--blog-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 !important;
  z-index: 2;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Cards dentro de subsecciones y bloques (inline) */
.articulo-subseccion .card-interlink,
.bloque-certificacion .card-interlink {
  display: inline-block;
  margin: 1.5rem 1.5rem 0;
  max-width: 280px;
  vertical-align: top;
}

/* Cuando solo hay una card, centrarla */
.articulo-subseccion .card-interlink:only-of-type,
.bloque-certificacion .card-interlink:only-of-type {
  display: block;
  margin: 1.5rem auto 0;
}

/* Wrapper para centrar solo las cards */
.articulo-subseccion,
.bloque-certificacion {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Centrar las cards pero no el texto */
.articulo-subseccion .card-interlink,
.bloque-certificacion .card-interlink {
  align-self: center;
}

.articulo-subseccion .card-interlink:only-of-type,
.bloque-certificacion .card-interlink:only-of-type {
  align-self: center;
}

/* Responsive */
@media (max-width: 768px) {
  .blog-interlink-cards {
    gap: 1rem;
  }

  .card-interlink {
    width: calc(50% - 0.5rem);
    height: 160px;
  }

  .card-interlink h3 {
    font-size: 1rem;
    bottom: 0.75rem;
    left: 0.75rem;
  }

  .articulo-subseccion .card-interlink,
  .bloque-certificacion .card-interlink {
    max-width: 100%;
    width: 100%;
  }
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .blog-hero,
  .articulo-cta {
    background: #ffffff;
    color: var(--blog-text-primary);
  }

  .blog-hero h1,
  .blog-hero-subtitle {
    color: var(--blog-text-primary);
  }

  .articulo-contenido {
    max-width: 100%;
  }

  .blog-card:hover {
    transform: none;
    box-shadow: none;
  }

  .blog-hero-image {
    position: relative !important;
    top: 0 !important;
    right: 0 !important;
    opacity: 1 !important;
  }
}