:root {
  --color-primario: #4a148c;
  --color-secundario: #ff4081;
  --color-texto: #2c3e50;
  --color-texto-claro: #7f8c8d;
  --color-blanco: #ffffff;
  --color-fondo-pagina: #f4f7f6;
  --color-borde: #e0e6ed;
  --color-enlace-activo: #ff4081;
  --color-icono-corazon: #e53935;
  --color-icono-comentario: #00acc1;
  --ancho-maximo-contenido: 1150px;
  --border-radius-suave: 12px;
  --transicion-rapida: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: var(--color-fondo-pagina);
}

a {
  color: var(--color-texto);
  text-decoration: none;
  transition: var(--transicion-rapida);
}

a:hover,
a:focus {
  color: var(--color-primario);
  text-decoration: none;
}

.breadcrumb .active {
  font-size: 15px;
  color: var(--color-enlace-activo);
  font-weight: 700;
}

.glyphicon {
  margin-right: 6px;
}

.glyphicon-heart,
.glyphicon-heart-empty {
  color: var(--color-icono-corazon);
}

.glyphicon-comment {
  color: var(--color-icono-comentario);
}

#content {
  max-width: var(--ancho-maximo-contenido);
  margin: 0 auto;
  padding: 0 20px;
}

#footer {
  border-top: none;
  background: linear-gradient(135deg, #1e2a38, #111820);
  margin-top: 40px;
  padding: 30px 0;
  border-radius: var(--border-radius-suave) var(--border-radius-suave) 0 0;
}

#footer p {
  color: var(--color-blanco);
  margin: 0;
}

.section-box h2 {
  margin-top: 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primario);
}

.section-box hr {
  margin-top: 0;
  margin-bottom: 15px;
  border: 0;
  border-top: 2px dashed var(--color-borde);
}

.navbar-default {
  background: linear-gradient(90deg, var(--color-primario), #7b1fa2);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  border-radius: 0 0 var(--border-radius-suave) var(--border-radius-suave);
}

.navbar-default .navbar-nav > li > a {
  color: var(--color-blanco);
  transition: var(--transicion-rapida);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: var(--color-secundario);
  background-color: transparent;
}

.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:focus,
.navbar-default .navbar-nav > .open > a:hover {
  color: var(--color-blanco) !important;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-suave);
}

.dropdown-menu-large {
  margin-left: 50px;
  margin-right: 16px;
  padding: 25px 0;
  border-radius: var(--border-radius-suave);
  border: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background-color: var(--color-blanco);
}

.dropdown-menu-large > li > ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.dropdown-menu-large > li > ul > li > a {
  display: block;
  padding: 8px 20px;
  clear: both;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-texto);
  white-space: normal;
  transition: var(--transicion-rapida);
  border-left: 3px solid transparent;
}

.dropdown-menu-large > li ul > li > a:hover,
.dropdown-menu-large > li ul > li > a:focus {
  text-decoration: none;
  color: var(--color-primario);
  background-color: var(--color-fondo-pagina);
  border-left: 3px solid var(--color-secundario);
}

.dropdown-menu-large .dropdown-header {
  color: var(--color-primario);
  background-color: transparent;
  border-bottom: 2px solid var(--color-borde);
  border-radius: 0;
  font-size: 15px;
  padding: 5px 15px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
}

.thumbnail {
  min-height: 220px;
  display: block;
  border: none;
  border-radius: var(--border-radius-suave);
  box-shadow: 0 5px 15px rgba(0,0,0,0.06);
  transition: var(--transicion-rapida);
  background: var(--color-blanco);
  overflow: hidden;
}

.thumbnail:hover {
  box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.thumbnail a {
  display: block;
}

@media (max-width: 768px) {
  .dropdown-menu-large {
    margin-left: 0;
    margin-right: 0;
    box-shadow: none;
    background-color: var(--color-fondo-pagina);
  }
  
  .dropdown-menu-large > li {
    margin-bottom: 20px;
  }
  
  .navbar-default .navbar-collapse,
  .navbar-default .navbar-form {
    border-color: transparent;
    background: linear-gradient(180deg, var(--color-primario), #7b1fa2);
  }
  
  .thumbnail {
    text-align: center;
    min-height: 0;
  }
  
  .thumbnail .pull-left {
    float: none !important;
    margin: 0 auto 15px;
  }
  
  .panel-title {
    display: none;
  }
}

hr {
  clear: both;
  display: block;
  width: 100%;
}

.clearfix::after,
.row::after {
  content: "";
  display: table;
  clear: both;
}