/* Estilos generales */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f4f4f4;
}

/* Header */
header {
  background-color: #007bff;
  color: white;
  text-align: center;
  padding: 1rem 0;
}

/* Nav */
nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

/* Main */
main {
  max-width: 900px;
  margin: 2rem auto;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  padding: 2rem;
}

/* Article y Section */
article, section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  background-color: #e9f5ff;
  border-left: 5px solid #007bff;
}

/* Aside */
aside {
  background-color: #f0f0f0;
  padding: 1rem;
  border-left: 5px solid #ccc;
}

blockquote {
  font-style: italic;
  color: #555;
}

/* Footer */
footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 1rem;
  position: fixed;
  bottom: 0;
  width: 100%;
}

/* Clases específicas */
.seccion-alto-nivel {
  background-color: #f0e4ff;
  border-left: 5px solid #6c757d;
}

.seccion-bajo-nivel {
  background-color: #f7f7e9;
  border-left: 5px solid #ffc107;
}

.seccion-scripting {
  background-color: #f6e6e8;
  border-left: 5px solid #dc3545;
}

.seccion-frameworks {
  background-color: #e6f6e8;
  border-left: 5px solid #17a2b8;
}

/* Imagen */
.imagen-contenedor {
  text-align: center;
  margin: 2rem 0;
}

.imagen-contenedor img {
  max-width: 100%;
  height: auto;
  border: 3px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease-in-out;
}

.imagen-contenedor img:hover {
  transform: scale(1.02);
}

.pie-imagen {
  font-size: 0.9em;
  color: #666;
  margin-top: 0.5rem;
}