:root {
    --blanco: #ffffff;
    --primario: #FFC107;
    --secundario: #0097A7;
    --gris: #757575;
    --oscuro: #212121;
}

html {
    box-sizing: border-box;
    min-height: 100%;
}

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

p {
    line-height: 2;
}

body {
    font-family: 'Krub', sans-serif;
    background-image: linear-gradient(to top, #dfe9f3 0%, white 100%);
    min-height: 100%;
}

h2,
h3 {
    text-align: center;
}

h3 {
    color: var(--secundario);
    font-weight: 400;
    font-size: 1.6rem;
}

.contenedor {
    margin: 0 auto;
    max-width: 1200px;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 10px;
    -webkit-box-shadow: 0px 11px 15px -9px rgba(0, 0, 0, 0.63);
    -moz-box-shadow: 0px 11px 15px -9px rgba(0, 0, 0, 0.63);
    box-shadow: 0px 11px 15px -9px rgba(0, 0, 0, 0.63);
    margin-bottom: 3rem;
}

.header nav {
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;

    flex-direction: column;
    align-items: center;
}

.header nav a:hover {
    background-color: var(--secundario);
    color: white;
    border-radius: .2rem;
}

.header nav a {
    color: var(--oscuro);
    text-decoration: none;
    font-size: 1.4rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.header nav a:last-of-type {
    margin-bottom: 0;
}

.hero {
    height: 450px;
    background-image: url(../img/hero.jpg);
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::after {
    content: '';
    background-color: rgba(0, 0, 0, .9);
    display: block;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    position: absolute;
}

.contenido-hero {
    position: relative;
    z-index: 1;
    flex: 1;
    padding-bottom: 2rem;
    color: white;
    text-align: center;
}

.contenido-hero i {
    font-size: 3rem;
    color: var(--primario);
}

.boton {
    background-color: var(--secundario);
    padding: .5rem 3rem;
    border-radius: 5px;
    display: inline-block;
    margin-top: .5rem;
    color: var(--blanco);
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 1.2rem;
    border: none;
}

.boton:hover {
    cursor: pointer;
    text-decoration: none;
}

.servicio {
    padding: 10px;
    margin-top: 2rem;
}

.servicio a {
    text-decoration: none;
    color: black;
}

.servicio a:hover {
    color: var(--secundario);
}

.logos {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.logos figure {
    flex: 1;
}

.logos figure img {
    justify-content: space-between;
    max-width: 100%;
    margin: 0 auto;
}

.iconos {
    display: flex;
    height: 100px;
    width: 100px;
    justify-content: space-evenly;
    align-items: center;
    background-color: var(--primario);
    border-radius: 50%;
    margin: 0 auto;
    margin-bottom: 5px;
}

.iconos i {
    font-size: 2rem;
    color: var(--oscuro);
}

.imagenes {
    -webkit-box-shadow: 10px 10px 10px -8px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 10px 10px 10px -8px rgba(0, 0, 0, 0.75);
    box-shadow: 10px 10px 10px -8px rgba(0, 0, 0, 0.75);
}

.imagenes img {
    max-width: 100%;
}

.contacto {
    background-color: var(--gris);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.contacto a {
    text-align: center;
    font-size: 1.2rem;
    color: var(--primario);
    margin-bottom: 2rem;

}

.w-100 {
    flex: 0 0 100%;
}

@media only screen and (min-width:768px) {

    .header nav {
        flex-direction: row;
        justify-content: space-around;
    }

    .header nav a {
        margin-bottom: 0;
    }

    .servicios-contenedor {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }

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

    .contacto {
        padding: 2rem;
    }
}