html {
    box-sizing: border-box;
    font-size: 62.5%; /* 1REM = 10px */
}
*, *:before, *:after {
    box-sizing: inherit;
}

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


/* Globales */

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    margin: 0 0 5rem 0;
}

h1 {
    font-size: 5rem;
}

h2 {
    font-size: 4rem;
}

h3 {
    font-size: 3rem;
}

a {
    text-decoration: none;
    color: #000;
}

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

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

.btn {
    background-color: #8cbc00;
    display: block;
    color: #FFF;
    text-transform: uppercase;
    font-weight: 900;
    padding: 1rem;
    transition: background-color .3s ease-out;
}

.btn:hover {
    background-color: #769c02;
}


/** Utilidades */
.text-center {
    text-align: center;
}


/* Header y Navegacion */
.nombre-sitio {
    margin-top: 50px;
    text-align: center;
}

.nombre-sitio span {
    color: #037bc0;
}

.contenedor-navegacion {
    border-top: 1px solid #e1e1e1;
}

.nav-principal {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
}

.hero {
    background-image: url(../img/principal.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    height: 550px;
}

/** Categorias */

.categorias {
    padding-top: 5rem;
}

.categoria a {
    text-align: center;
    display: block;
    padding: 20px;
    font-size: 20px;
}

.categoria a:hover {
    background-color: #037bc0;
    color: #ffffff;
}

.listado-categorias {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/** Bloque Nosotros */

.sobre-nosotros {
    background-image: linear-gradient( to right, transparent 50%, #037bc0 50%, #037bc0 100%),
    url(../img/nosotros.jpg);
    background-position: left center;
    padding: 10rem 0;
    background-repeat: no-repeat;
    background-size: 100%, 120rem;
}

.sobre-nosotros-grid {
    display: flex;
    justify-content: flex-end;
}

.texto-nosotros {
    flex-basis: 50%;
    padding-left: 5rem;
    color: #fff;
}

/** Listado de Productos **/

.contenido-principal {
    padding-top: 5rem;
}

.producto {
    background-color: #037bc0;
}

.texto-producto {
    text-align: center;
    color: #FFF;
    padding: 2rem;
}

.texto-producto h3 {
    margin: 0;
}

.texto-producto p {
    margin: 0 0 .5rem 0;
}

.texto-producto .precio {
    font-size: 2.8rem;
    font-weight: 900;
}