/* ==========================================================================
   Estilos para Secciones y Logos Indexados (estadisticas.php)
   ========================================================================== */

:root {
  --box-bg: #ffffff;
  --box-border: #e2e8f0;
  --box-radius: 14px;
  --box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --title-color: #0f172a;
  --primary-accent: #0b782e;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-hover-border: #0b782e;
  --card-hover-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

/* 1. Contenedor principal de sección */
.boxSec {
  background-color: var(--box-bg);
  border: 1px solid var(--box-border);
  border-radius: var(--box-radius);
  box-shadow: var(--box-shadow);
  padding: 1.5rem 1.25rem;
  margin-bottom: 2rem;
  width: 100%;
  box-sizing: border-box;
  transition: all 0.3s ease;
}

.boxSec h2 {
  position: relative;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--title-color);
  margin-top: 0;
  margin-bottom: 1.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--box-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.boxSec h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--primary-accent);
  border-radius: 2px;
}

/* 2. Cuadrícula Horizontal Responsiva de Logos (Indexación) */
.logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  align-items: stretch;
  justify-content: center;
}

/* Tarjeta individual de logo (tamaño más grande y homologado) */
.logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1rem 0.75rem;
  min-height: 145px;
  height: 100%;
  box-sizing: border-box;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
              border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

/* Hover e interacción en las tarjetas de logos */
a.logo-card:hover,
div.logo-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow);
}

/* Imagen dentro de la tarjeta */
.logo-card img.indexImg {
  max-width: 100%;
  max-height: 85px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: contrast(1.02);
  transition: transform 0.25s ease;
}

/* Tarjeta específica con texto debajo del logo */
.logo-card.has-text {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0.75rem 0.5rem;
}

.logo-card.has-text img.indexImg {
  max-height: 58px;
  margin-bottom: 8px;
}

.logo-card.has-text p.logo-card-text {
  font-size: 0.78rem;
  line-height: 1.25;
  margin: 0;
  color: #334155;
  font-weight: 500;
  text-align: center;
}

a.logo-card:hover img.indexImg {
  transform: scale(1.04);
}

/* 3. Sección de Estadísticas de la Revista */
.stats-container {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  width: 100%;
  box-sizing: border-box;
}

.stat-card {
  background: #f8fafc;
  border: 1px solid var(--box-border);
  border-radius: 12px;
  padding: 1rem 0.75rem;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.stat-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 1rem;
}

.stat-title::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-accent);
}

.iframe-wrapper {
  position: relative;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #cbd5e1;
  background-color: #ffffff;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.02);
}

.iframe-wrapper iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: none;
}

/* Tarjeta especial para Google Scholar en estadísticas */
.scholar-stat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--box-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.scholar-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scholar-info img {
  width: 75px;
  height: auto;
  object-fit: contain;
}

.btn-scholar {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background-color: #0284c7;
  color: #ffffff !important;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  text-decoration: none !important;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-scholar:hover {
  background-color: #0369a1;
  transform: translateY(-1px);
}

/* Responsivo para la cuadrícula de logos (6 -> 4 -> 3 -> 2 por fila) */
@media (max-width: 1100px) {
  .logos-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .boxSec {
    padding: 1.25rem;
  }

  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
  }
}

@media (max-width: 520px) {
  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .scholar-stat-card {
    flex-direction: column;
    align-items: flex-start;
  }
}