:root{
    --blanco:#fff;
    --negro:#111;
    --gris:#343A40;

    --fuentePrincipal: "Raleway", sans-serif;
}

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

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

body{
    font-family: var(--fuentePrincipal);
    font-size: 1.6rem;
    line-height: 1.8;
}

h1,h2,h3{
    font-weight: 900;
    margin: 1rem 0 4rem 0;
}

h1{
    font-size: 4.8rem;
}

h2{
    font-size: 5.8rem;
}

h3{
    font-size: 5rem;
}

a{
    text-decoration: none;
}

img{
    max-width: 100%;
    display: block;
}

.contenedor{
    max-width: 120rem;
    margin: 0 auto;
    width: 90%;
}

.btn{
    color: var(--gris);
    background-color: var(--blanco);
    border: 1px solid var(--gris);
    padding: .5rem 2rem;
    transition: background-color .3s;
    margin: 0 auto;
    display: block;
    text-align: center;
}
@media (min-width: 768px) {
     .btn{
        display: inline;
        
     }
}
.btn:hover{
    background-color: var(--gris);
    color: var(--blanco);
}

/* utilidades */

.text-center{
    text-align: center;
}

.mt-5{
    margin-top: 5rem;
}


/* Header */
.header{
    min-height: 60rem;
    background-image: url(../img/hero.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding: 5rem 0;

}

.contenido-header{
    display: flex;
    color: var(--blanco);
    flex-direction: column;
   height: 56rem;
    justify-content: space-between;
  
}

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

.nombre-sitio {
    font-weight: 300;
    font-size: 3rem;
    text-align: center;
}

@media (min-width: 768px) {
     .nombre-sitio{
        font-size: 5rem;
     }
}

.nombre-sitio span{
    font-weight: 900;
}

.contacto{
    display: flex;
    align-items: center;
    flex-direction: column;
}

.telefono{
    display: flex;
    align-items: center;
    font-size: 2rem;

}



.telefono::before{
    content: '';
    display: block;
    background-image: url(../img/telefono.png);
    width: 4rem;
    height: 4rem;
    background-repeat: no-repeat;
    background-repeat: no-repeat;
    background-position: center center;
    margin-right: 1rem;
}

.contacto a{
    color: var(--blanco);
}

@media (min-width: 768px) {
     .contacto{
        align-items: flex-end;
     }
}

.navegacion{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    
}

.navegacion a{
    font-size: 2rem;
    transition: background-color .3s;
    width: 100%;
    text-align: center;
}

.navegacion a:hover{
    background-color: rgb(255 255 255 / .5);
}

@media (min-width: 768px) {
     .navegacion a{
        padding: 1rem 2rem;
     }
}
@media (min-width: 768px) {
    .navegacion{
        flex-direction: row;
    }
}

.slogan {
    text-align: right;
    line-height: 1.2;
}

.slogan h1,
.slogan p{
    margin: 0;
    text-align: center;
}

@media (min-width: 768px) {
     .slogan h1,
     .slogan p{
        text-align: right;
     }
}

.slogan h1{
    font-size: 2rem;
}

@media (min-width: 768px) {
     .slogan h1{
        font-size: 5rem;
     }
}

/* Nosotros */

.nosotros{
    display: grid;
    grid-template-rows: repeat(2,1fr);
    background-image: url(../img/nosotros.jpg);
    background-repeat: no-repeat;
    background-position: bottom center;
}

@media (min-width: 768px) {
     .nosotros{
        grid-template-columns: repeat(3,1fr);
     }
}

.contenido-nosotros{
    background-color: var(--blanco);
    padding: 1rem;
}

@media (min-width: 768px) {
     .contenido-nosotros{
        grid-column: 2/4;
        padding: 5rem;
     }
}

/* MOdelos */

main h2,
main h3{
    font-size: 3rem;
    text-align: center;
    margin: 0;
}

main p{
    text-align: center;
}

@media (min-width:768px ) {
    main h2,
    main h3{
        font-size: 5rem;
        text-align: left;
        margin-bottom: 5rem;
    }
    
    main p{
        text-align: left;
    }
}

.modelo{
    display: grid;
    grid-template-rows: repeat(2,1fr);
    background-repeat: no-repeat;
    background-position: bottom center;
    margin-bottom: 5rem;
}

.modelo:last-of-type{
    margin-bottom: 0;
}

@media (min-width: 768px) {
     .modelo{
        grid-template-columns: repeat(2,1fr);
     }
}

.contenido-modelo{
    padding: 5rem;
    background-color: var(--blanco);
}

.basico {
    background-image: url(../img/modelo_basico.jpg);
}

@media (min-width: 768px) {

    .basico{
        background-position: top right;
    }
     .basico .contenido-modelo{
        grid-row: 2 / 3;
        padding: 2rem 2rem 2rem 0;
     }
}

.premier{
    background-image: url(../img/modelo_premier.jpg);
}

@media (min-width: 768px) {
     .premier{
        background-position: top left;
     }

     .premier .contenido-modelo{
        grid-column: 2 / 3;
        padding: 2rem;
     }
}

.elite{
    background-image: url(../img/modelo_elite.jpg);
}

@media (min-width: 768px) {
     .elite{
        background-position: top right;
     }

     .elite .contenido-modelo{
        padding: 2rem 2rem 2rem 0;

     }
}


/* Galeria */

.galeria{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 2rem;
    
}

@media (min-width: 768px) {
    .galeria{
       grid-template-columns: repeat(3,1fr);
    }
}


.galeria .imagen:nth-child(2){
    grid-column: 2 / 3;
    grid-row: 1 / 3;
}

@media (min-width: 768px) {
    .galeria .imagen:nth-child(2){
        grid-column: 1/2;
        grid-row: 2/4;
    }
}

.galeria .imagen:nth-child(3){
    grid-row: 3/5;
    grid-column: 2/3;
}

@media (min-width: 768px) {
    .galeria .imagen:nth-child(3){
        grid-column: 2/3;
        grid-row: 1/2;
    }
}

.galeria .imagen:nth-child(6){
    grid-column: 1/2;
    grid-row:2/4 ;
}

@media (min-width: 768px) {
    .galeria .imagen:nth-child(6){
        grid-column: 3/4;
        grid-row: 1/3;
    }
}

.galeria .imagen img{
    object-fit: cover;
    height: 100%;
}

/* Footer */
.footer {
    height: 50rem;
    background-image: url(../img/footer_bg.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    color: var(--blanco);
}
.footer a {
    color: var(--blanco);
    font-size: 2rem;
}

.copyright {
    background-color: var(--negro);
    text-align: center;
    margin: 5rem 0 0 0;
    font-size: 2rem;
    padding: 1rem;
}