:root{
    --fuenteHeading: 'PT Sans', sans-serif;
    --fuenteParrafos: 'Open Sans', sans-serif;
    --primario: #784D3C;
    --gris: #e1e1e1;
    --blanco: #ffffff;
    --negro: #000000;
}

html{
    font-size: 62.5%;
    box-sizing: border-box;
}

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

body {
    font-family: var(--fuenteParrafos);
    font-size: 1.6rem;
    line-height: 2;
}

/** Globales **/
.contenedor {
    width: min(90%, 120rem);
    margin: 0 auto;
}
a {
    text-decoration: none;
}
h1, h2, h3, h4 {
    font-family: var(--fuenteHeading);
    line-height: 1.2;
}
h1 {
    font-size: 4.8rem;
}
h2 {
    font-size: 4rem;
}
h3 {
    font-size: 3.2rem;
}
h4 {
    font-size: 2.8rem;
}
img {
    max-width: 100%;
}
/** Utilidades **/
.no-margin {
    margin: 0;
}
.no-padding {
    padding: 0;
}
.centrar-texto {
    text-align: center;
}

/* header */

.webp .header{
    background-image: url(../img/banner.webp);
} 

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

.header__contenido{
    color: var(--blanco);
    text-align: center;
    margin-top: 5rem;
}

@media (min-width: 768px) {
    .header__contenido{
        margin-top: 15rem;
    }
}

.barra{
    padding-top: 4rem;
}

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

.logo{
    color: var(--blanco);
}

.logo__nombre{
    font-weight: 300;
}

.logo__bold{
    font-weight: 700;
}

@media (min-width: 768px) {
     .navegacion{
        display: flex;
        column-gap: 2rem;
     }

}

.navegacion__enlace{
    display: block;
    text-align: center;
    font-size: 1.8rem;
    color: var(--blanco);
    margin-top: 1rem;
}

@media (min-width: 768px) {
     .navegacion__enlace{
        margin-top: 0;
     }
}

/* contendido-principal */

@media (min-width: 768px) {
     .contenido-principal{
        display: grid;
        grid-template-columns: 2fr 1fr;
        column-gap: 4rem;
     }
}

.entrada{
    border-bottom: 1px solid var(--gris);
    margin-bottom: 2rem;
}

.entrada:last-of-type{
    border: none;
    margin-bottom: 0;
}

.boton{
    display: block;
    color: var(--blanco);
    padding: 1rem 3rem;
    text-align: center;
    font-size: 1.8rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
     .boton{
        display: inline-block;
     }
}

.boton-primario{
   background-color: var(--negro);
}

.cursos{
    list-style: none;
}

.widget-curso{
    border-bottom: 1px solid var(--gris);
    margin-bottom: 2rem;
}

.widget-curso:last-of-type{
    border-bottom: none;
    margin-bottom: 0;
}

.widget-curso__label,
.curso__label{
    font-weight: 700;
    font-size: 2rem;
}

.widget-curso__info,
.curso__informacion{
    font-weight: 300;
}

.boton-secundario{
    background-color: var(--primario);
}

/* footer */

.footer{
    background-color: var(--negro);
    padding-bottom: 3rem;
    margin-top: 4rem;
}

/* nosotros */

@media (min-width: 768px) {
    .nosotros{
        display: grid;
        grid-template-columns: repeat(2,1fr);
        column-gap: 2rem;
    }
}

/* cursos */

.curso{
    border-bottom: 1px solid var(--gris);
    padding: 3rem 0;
}

.curso:last-of-type{
    border-bottom: 0;
    
}

@media (min-width: 768px) {
     .curso{
        display: grid;
        grid-template-columns: 1fr 2fr;
        column-gap: 2rem;
     }
}

/* Contaco */

.contacto-bg{
    background-image: url(../img/contacto.jpg);
    height: 40rem;
    background-size: cover;
    background-repeat: no-repeat;
}

.formulario{
    background-color: var(--blanco);
    width: 95%;
    padding: 5rem;
    margin: -5rem auto 0 auto;
}

.campo{
    display: flex;
    margin-bottom: 2rem;
}

.campo__label{
    flex: 0 0 9rem;
    text-align: right;
    padding-right: 2rem;
}

.campo__field{
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--gris);
}

.campo__field--textarea{
    height: 20rem;
}

.campo input[type="submit"]{
    background-color: var(--negro);
    border: none;
}