/* root */

:root {
    --blanco: #ffffff;
    --oscuro: #212121;
    --primario: #ffc107;
    --secundario: #0097a7;
    --gris: #757575;
    --grisClaro: #dfe9f3;
}

/* estilos generales */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

html {
    font-size: 62.5%;
}

body {
    font-size: 16px;
    /* 1rem = 10px */
    font-family: 'Open Sans', sans-serif;

    background-image: linear-gradient(to top, var(--grisClaro) 0%, var(--blanco) 100%);
}

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

.boton {
    background-color: var(--secundario);
    color: var(--blanco);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 500;
    padding: 1rem 3rem;
    margin-top: 2rem;
    border-radius: .5rem;
    font-size: 2rem;
    border: none;
}

@media screen and (max-width: 768px) {
    .boton {
        width: 90%;
        text-align: center;
    }
}

.boton:hover {
    cursor: pointer;
}

.sombra {
    -webkit-box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.42);
    -moz-box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.42);
    box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.42);
    background-color: var(--blanco);
    padding: 2rem;
    border-radius: 1rem;
}

/* tipografia */

h1 {
    font-size: 3.6rem;
}

h2 {
    font-size: 2.8rem;
    margin: 3rem
}

h3 {
    font-size: 1.8rem;
    margin: 2rem 0;
}

h1,
h2,
h3 {
    text-align: center;
}

/* utildades */

.w-100 {
    width: 100%;
}

@media screen and (min-width: 768px) {
    .w-100 {
        width: auto;
    }
}

.flex {
    display: flex;
}

.alinear-derecha {
    justify-content: flex-end;
}

/* cabecera */

.cabecera {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 1rem;
}

/* titulo */

.titulo span {
    font-size: 2rem;
}

/* nav */

.nav-bg {
    background-color: var(--secundario);
}

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

@media screen and (min-width: 768px) {
    .nav-menu {
        flex-direction: row;
        justify-content: space-around;
    }
}

.nav-menu a {
    padding: 1rem;

    color: var(--blanco);
    text-decoration: none;
    font-size: 2rem;
    font-weight: 500;
}

.nav-menu a:hover {
    background-color: var(--primario);
    color: var(--oscuro);
}

/* hero */

.hero {
    background-image: url("../img/hero.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 45rem;
    position: relative;
    margin-bottom: 2rem;
}

.hero-contenedor {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--blanco);

    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.ubicacion {
    display: flex;
    align-items: center;
}

/* servicios */

@media screen and (min-width: 768px) {
    .servicios {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        column-gap: 1rem;
    }
}

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

.servicio h3 {
    color: var(--secundario);
    margin-bottom: 2rem;
}

.servicio p {
    line-height: 2;
    text-align: center;
}

.servicio .iconos {
    height: 15rem;
    width: 15rem;
    background-color: var(--primario);
    border-radius: 50%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    margin-bottom: 1rem;
}

/* contacto */

.formulario {
    background-color: var(--gris);
    width: min(60rem, 100%);
    /* utliza el valor mas pequeño */
    margin: 0 auto;
    padding: 2rem;
    border-radius: 1rem;
}

.formulario legend {
    text-align: center;
    font-size: 1.8rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primario);
}

@media screen and (min-width: 768px) {
    .contenedor-campos {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto auto 20rem;
        column-gap: 1rem;
    }
    .campo:nth-child(3),
    .campo:nth-child(4) {
        grid-column: 1 / 3;
    }
}

.campo {
    margin-bottom: 1rem;
}

.campo label {
    color: var(--blanco);
    font-weight: bold;
    margin-bottom: .5rem;
    display: block;
}

.campo textarea {
    height: 16rem;
}

.input-text {
    width: 100%;
    border: none;
    padding: 1.5rem;
    border-radius: .5rem;
}

.footer {
    margin: 1rem;
    text-align: center;
}