/* apply a natural box layout model to all elements, but allowing components to change */
html {
  box-sizing: border-box;
  font-size: 62.5%; /*1rem = 10px*/
}
*, *:before, *:after {
  box-sizing: inherit;
}

body{
     font-family: 'Lora', serif;
     font-size: 1.6rem;
     line-height: 2;
}

/*GLOBALES*/

.contenedor{
    max-width: 1200px;
    width: 95%;
    margin: 0 auto;
}

h1, h2, h3 ,h4{
    font-family: 'Lora', serif;
}

h1{
    font-size: 4.8rem;
}

h2{
    font-size: 4rem;
    line-height: 1.2;
}

h3{
    font-size: 3.2rem;
}

h4{
    font-size: 2.8rem;
}

img{
    max-width: 100%;
}

/**UTILIDADES**/
.centrar-texto{
    text-align: center;
}

.no-margin{
    margin: 0;
}

/**GRID**/
@media (min-width: 768px) {
    .grid{
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .centrar-columnas{
        justify-content: center;
    }

    .columnas6{
        flex: 0 0 calc(50% - 1rem);
    }

    .columnas-4{
        flex: 0 0 calc(33.3% - 1rem);
    }

    .columnas6 p{
        margin: 0;
    }

    .columnas-8{
        flex: 0 0 calc(66.6% - 1rem);
    }

    .columnas-10{
        flex: 0 0 calc(88.3% - 1rem);
    }

    .columnas-12{
        flex: 0 0 100%;
    }
}


/*botones*/
.btn{
    display: block;
    text-align: center;
    padding: 1rem 3rem;
    margin: 2rem 0;
    color: white;
    text-decoration: none;
    font-family: 'Lora', serif;
    text-transform: uppercase;
    font-size: 2rem;

}

@media (min-width: 768px) {
    .btn{
        display: inline-block;
        margin-bottom: 2rem;
    }
}

.btn-primario{
    background-color: black;
}

.btn-secundario{
    background-color: brown;
}

/**HEADER**/

@media (min-width: 768px){
    .barra{
        display: flex;
        justify-content: space-between;
        align-items: center;
        
    }
}


.sitio-header{
    background-image: url(../img/banner.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 60rem;
}

.sitio-header a {
    color: white;
    text-decoration: none;
}

.sitio-header h1 {
    text-align: center;
    font-weight: 400;
}

.sitio-header h1 span{
    font-weight: 700;
}

/*navegacion*/
.navegacion a {
    text-align: center;
    display: block;
    font-size: 1.8rem;
    color: white;
    text-decoration: none;
}

@media (min-width: 768px) {
    .navegacion a{
        display: inline;
        margin-right: 2rem;
    }

    .navegacion a:last-of-type{
        margin: 0;
    }
}

/*header texto*/
.texto-header{
    color: white;
    text-align: center;
    margin-top: 5rem;
}

@media (min-width: 768px) {

    .texto-header{
        margin-top: 15rem;
    }
    
}

.texto-header p{
    font-size: 2.2rem;
}

/**Contenido principal home**/
.contenido-principal{
    display: flex;
    flex-wrap: wrap;
}

.blog, .cursos{
    flex: 0 0 100%;
    /*flex-grow: 0;
    flex-shrink: 0;
    flex-basis: 100%;*/
}

.cursos{
    order: -1;
}

@media (min-width: 768px) {
    .contenido-principal{
        justify-content: space-between;
    }
    .blog{
        flex-basis: 66.6%;
        order: -1;
    }
    .cursos{
        flex-basis: calc(33.3% - 4rem);
    }
}

/**opcional**/
.entrada-blog{
    margin-bottom: 2rem;
    border-bottom: 1px solid black;
}

.entrada-blog:last-of-type{
    border: none;
}

/**cursos**/

.cursos-lista{
    padding: 0;
    list-style: none;
}

.curso{
    padding-top: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid black;
}

.curso:last-of-type{
    border-bottom: none;
}

.curso p{
    font-family: 'Lora', serif;
    font-weight: 700;
    font-size: 2rem;
}

.curso p span{
    font-weight: 400;
}

.curso p span,
.curso p.descripcion{
    font-weight: 400;
}

/*footer*/
.sitio-footer{
    background-color: black;
    padding: 3rem;
    margin-top: 4rem;
}

.sitio-footer p{
    color: white;
    font-size: 4rem;
    font-weight: 400;
    text-align: center;
}

.sitio-footer p span{
  font-weight: 700;
}

/**CONTACTO**/

.formulario-contacto{
    background-color: white;
    padding: 5rem;
}

@media (min-width: 768px) {
    
    .formulario-contacto{
        margin-top: -10rem;
    }

}

.formulario-contacto .campo{
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.formulario-contacto .campo label{
    flex: 0 0 8rem;
}

.formulario-contacto .campo input:not([type="submit"]),
.formulario-contacto textarea{
    flex: 1;
    border: 1px solid black;
    padding: 1rem;
}

.mensaje{
    display: flex;
}

.mensaje textarea{
    resize: none;
    margin-left: 19px;
    height: 20rem;
}

.campo-enviar{
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
}