/* =========================================
   Portal OJS 3.5 – Grid profesional ULagos
   tarjetas cuadradas 3–4 por fila
   optimizado para móviles
   ========================================= */


   /* Logo */
.navbar-brand {
  height: 75px;
  display: flex;
  align-items: center;
}
.navbar-brand-logo img {
    margin-left: 30%;
}
/* Header con imagen institucional */
#headerNavigationContainer {
  background-image: url("acreditacion-azul.png");
  background-repeat: no-repeat;
  background-position: right 15% center;
  background-size: auto 40%;
}

/* Ocultar texto */
.pkp_page_index .journal-description,
.pkp_page_index h3.journal-title,
.pkp_page_index .media-body {
  display: none !important;
}

/* Grid base */
.pkp_page_index .media {
  width: 25%; /* 4 por fila */
  padding: 12px;
  box-sizing: border-box;
  display: inline-block;
 

  opacity: 0;
  animation: ulagosFadeInUp 0.65s ease forwards;
}

#pkp_structure_sidebar {
  margin-left: 4px !important;
}

    .col-md-4 {
        width: 30.33333333%;
    }
    
/* Stagger */
.pkp_page_index .media:nth-child(1) { animation-delay: .05s; }
.pkp_page_index .media:nth-child(2) { animation-delay: .10s; }
.pkp_page_index .media:nth-child(3) { animation-delay: .15s; }
.pkp_page_index .media:nth-child(4) { animation-delay: .20s; }
.pkp_page_index .media:nth-child(5) { animation-delay: .25s; }
.pkp_page_index .media:nth-child(6) { animation-delay: .30s; }
.pkp_page_index .media:nth-child(7) { animation-delay: .35s; }
.pkp_page_index .media:nth-child(8) { animation-delay: .40s; }

/* Tarjeta cuadrada */
.pkp_page_index .media-left {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #ffffff;
  border-top: 6px solid #2C3181;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  padding: 25px;
  overflow: hidden;
}

/* Logo centrado */
.pkp_page_index .media-left img,
.pkp_page_index .media-object {
  max-width: 100%;
  max-height: 85%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Hover */
.pkp_page_index .media-left:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}

/* Animación */
@keyframes ulagosFadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================
   Responsive
   ========================= */

/* Desktop mediano / tablet horizontal */
@media (max-width: 1024px) {
  .pkp_page_index .media {
    width: 33.33%; /* 3 por fila */
    padding: 10px;
  }

  #headerNavigationContainer {
    background-size: auto 32%;
    background-position: right 15px center;
  }
}

/* Tablet vertical */
@media (max-width: 768px) {
  .navbar-brand {
    height: 62px;
  }

  #headerNavigationContainer {
    background-size: auto 24%;
    background-position: right 12px center;
  }

  .pkp_page_index .media {
    width: 50%; /* 2 por fila */
    padding: 10px;
  }

  .pkp_page_index .media-left {
    padding: 20px;
    border-radius: 12px;
  }
}

/* Teléfonos */
@media (max-width: 480px) {
  .navbar-brand {
    height: 54px;
  }

  #headerNavigationContainer {
    background-image: none;
  }

  .pkp_page_index .media {
    width: 100%; /* una debajo de otra */
    display: block;
    padding: 8px 0;
  }

  .pkp_page_index .media-left {
    width: 100%;
    aspect-ratio: 1 / 1;
    padding: 18px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  }

  .pkp_page_index .media-left img,
  .pkp_page_index .media-object {
    max-width: 100%;
    max-height: 80%;
  }

.navbar-brand-logo img {
    margin-left: 10%;
}
  #headerNavigationContainer {
     background-image: none;
  }
}
/* Teléfonos muy pequeños */
@media (max-width: 360px) {
  .navbar-brand {
    height: 48px;
  }

  #headerNavigationContainer {
     background-image: none;
  }

  .pkp_page_index .media-left {
    padding: 14px;
  }

  .navbar-brand-logo img {
    margin-left: 10%;
}

}


/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
  .pkp_page_index .media {
    animation: none;
    opacity: 1;
  }

  .pkp_page_index .media-left {
    transition: none;
  }
}

/* Dispositivos táctiles: evitar hover fuerte */
@media (hover: none) and (pointer: coarse) {
  .pkp_page_index .media-left:hover {
    transform: none;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  }
}