/* Reset básico */
body {
  margin: 0;
  font-family: 'Times New Roman', Arial,  Times, serif ;
}

/* NAV */
nav {
  background-color: #333;
  position: relative;
}

#menu-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  padding: 1rem;
  cursor: pointer;
  display: none;
}

#menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: #333;
}

#menu li a {
  color: white;
  text-decoration: none;
  padding: 1rem;
  display: block;
}

#menu li a:hover {
  background-color: #444;
}

/* Encabezado */
header {
  background-color: skyblue;
  padding: 1rem;
  text-align: center;
}
.header_title {
           
           font-size: 50px;
           color: teal;

             }
.header_text {
           font-style: italic;
           font-size: 20px;
            }

/* Contenido */
main {
  padding: 1.5rem;
}

section {
  margin-bottom: 2rem;
}

/* Contenido */

.div_curso {

    background: linear-gradient(135deg, #74b9ff 0%, #58b0f3 100%);
   
    padding: 3rem;
    border-radius: 20px;
    margin: 2rem 0;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
          }
.div_curso_title {
            text-align: center;
            }


a {
    color: darkgreen;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
            }
a:hover, a:focus {
            color: aquamarine;
            text-decoration: underline;
            }


/* Pie */
footer {
  background-color: #f0f0f0;
  text-align: center;
  padding: 1rem;
}




/* Responsive */
@media (max-width: 768px) {
  #menu-toggle {
    display: block;
  }

  #menu {
    display: none;
    flex-direction: column;
  }

  #menu.mostrar {
    display: flex;
  }
}