body{
    font-family: 'Roboto', sans-serif;
}

a{
    text-decoration: none;
}

.contenedor-nav-superior{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background-color: #222;
    height: 40px;
    align-content: center;
}

.contenedor-nav-superior a{
    text-align: center;
    text-decoration: none;
    color: white;
    text-transform: uppercase;      
    font-size: .8em;
    letter-spacing: 0.3em;
    font-weight: lighter;
    border-left: 1px solid rgba(255, 255, 255, .3); 
}

.contenedor-nav-superior a:first-child{
    border-left: none;
}

.contenedor-nav-superior a:hover{
    color: #ff8b4b;
}

.contenedor-navegacion{
    height: 500px;
    display: grid;
    grid-template-rows: 2fr 1fr;
    background-color: #222;
}

.inicio{
    height: calc(100vh - 40px);
}

.contenedor-menu-principal{
    padding-top: 50px;
}

.logo svg{
    width: 30px;
    display: block;
    margin: 0 auto;
}

@media only screen and (min-width: 768px){
    .menu-movil{
        display: none;
    }
    .contenedor-enlaces{
        width: 70%;
        max-width: 950px;
        margin: 30px auto 0 auto;
        /*poner un max-width*/
    }
}

@media only screen and (max-width: 768px){
    .menu-movil{
        display: flex;
        justify-content: center;
        text-transform: uppercase;
        margin-top: 20px;
        color: white;
    }
    .menu-movil svg{
        fill: white;
        width: 10px;
        margin-left: 10px;
    }
    .menu-movil:hover{
        cursor: pointer;
        color: #ff8b4b;
    }
    .menu-movil:hover svg{
        fill: #ff8b4b;
    }
    .contenedor-enlaces{
        display: none;
    }
}

.nav-principal{
    text-transform: uppercase;
    color: white;
}

.nav-principal ul {
    display: grid;
    grid-template-columns: auto auto auto auto auto;
    list-style: none;
    position: relative;
    padding: 0;
}

.nav-principal ul li {
    width: 100%;
    text-align: center;
    border-left: 1px solid orange;
}

.nav-principal ul li:first-child {
    border: none;
}

.nav-enlace{
    text-decoration: none;
    color: white;
}

.nav-principal ul li:hover,
.nav-enlace:hover{
    color:#ff8b4b;
    cursor: pointer;
}

@media only screen and (min-width: 768px){
    .nav-principal ul li:hover .cont-barra-submenu{
        display: grid;
        grid-template-columns: 25% calc(75% - 20px);
        column-gap: 20px;
        align-items: center;
    }
}

.cont-barra-submenu{
    position: absolute;
    right: 0;
    left: 0;
    background-color: rgba(40, 39, 40, .9);
    padding: 0 0 0 20px;
    display: none;
    /*aqui había un height de 180px*/
}

.submenu {
    text-align: left;
}

.submenu a{
    display: block;
    margin: 10px 0;
    width: 100%;
    text-decoration: none;
    color: white;
    font-weight: lighter;
    letter-spacing: 0.3em;
    font-size: .8em;
}

.submenu a:hover{
    color: #ff8b4b;
}

.cont-nav-thumbs{
    display: flex;
    align-items: center;
    margin: 0 auto;
}

.submenu-thumb{
    position: relative;
}

.thumbs-titulo{
    position: absolute;
    display: flex;
    width: 100%;
    height: 100%;
    background-color: rgba(40, 39, 40, .95);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s linear; 
}

.thumbs-titulo:hover{
    opacity: 1;
}

.thumbs-titulo a{
    display: block;
    width: 90%;
    color: white;
    text-align: center;
    text-transform: none;
    font-size: .8rem;
    font-weight: lighter;
    letter-spacing: 0.1em;
}

.thumbs-titulo a:hover{
    color: #ff8b4b;
}

.submenu-thumb img{
    width: 100%;
}
.thumb-desktop{
    display: none;
}

.titulo-articulo {
    width: 90%;
    margin: 0 auto;
    max-width: 1500px;
}

.titulo-articulo h1{
    text-align: center;
    text-decoration: none;
    color: white;
    font-family: 'Noto Serif TC', serif;
    overflow: hidden;
    background: linear-gradient(to right, #ff8b4b, #ff8b4b 50%, white 50%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 100%;
    background-position: 100%;
    transition: background-position 275ms ease;
}

.titulo-articulo a:hover h1{
    background-position: 0 100%;
}

@media only screen and (min-width: 480px) {

    .thumb-tablet{
        display: none;
    }
    .submenu-thumb img{
        max-height: 180px;
    }
}

@media only screen and (min-width: 800px) {
    .thumb-tablet{
        display: block;
    }
}

@media only screen and (min-width: 1200px) {
    .thumb-desktop{
        display:block;
    }
}

/* MOVIL */

.contenedor-nav-movil{
    display: none;
}

@media only screen and (max-width: 768px) {
    .contenedor-nav-movil{
        width: 100%;
        min-height: 100vh;
        background-color: rgba(40, 39, 40, .98);
        font-weight: lighter;
        letter-spacing: 0.3em;
        font-size: .8em;
        position: fixed;
        top: 0;
        left: -100%;
        bottom: 0;
        transition: left .5s ease-in-out;
        display: block;
        overflow-y:auto;
        z-index: 2;
    }
}

.abrirMenu{
    left: 0;
}

.cerrarMenu{
    left: -100%;
}

.botones{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 80%;
    margin: 0 auto;
    padding-top: 40px;
}

.boton-cerrar{
    display: block
}

.boton-cerrar span::after{
    content: 'X';
    width: 30px;
    color: white;
    cursor: pointer;
}

.cont-nav-principal-movil{
    border-bottom: 1px solid rgba(255, 139, 79, .3);
    margin: 0 auto;
    width: 80%;
    padding: 40px 20px;
}

.nav-movil ul{
    list-style: none;
    color: white;
    text-transform: uppercase;
}

/* primeros li */
.nav-movil ul li{
    line-height: 3;
}

.nav-movil ul li a{
    color: white;
    text-transform: uppercase;
    text-decoration: none;

}

/* sub menu ul */
.sub-menu-movil{
    display: none;
    padding: 0;
}

.sub-menu-movil li a{
    text-decoration: none;
    color: white;
    display: block;
    border-bottom: 1px solid rgba(255, 139, 79, .3);
    padding-left: 10px;
}
.sub-menu-movil li a:hover,
.nav-movil ul li a:hover{
    color: #ff8b4b;
}

/* REDES */

.redes-menu{
    display: block;
    text-align: center;
    padding-top: 20px;
    color: white;
    text-transform: uppercase;
}

.redes-menu svg{
    width: 25px;
    fill: #ff8b4b;
    margin: 0 15px;
}

.redes-menu svg:hover{
    cursor: pointer;
    fill: white;
}

/* menu superior*/
.nav-superior-movil{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 40px 0;
}

.nav-superior-movil a{
    text-align: center;
    text-decoration: none;
    color: white;
    text-transform: uppercase;
    border-left: 1px solid rgba(255, 139, 79, .3);
}

.nav-superior-movil a:first-child{
    border-left: none;
}

.nav-movil ul li:hover,
.nav-superior-movil a:hover{
    cursor: pointer;
    color: #ff8b4b;
}

.boton-abajo i{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #ff8b4b;
    display: block;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3em;
    color: #ff8b4b;
    animation: arrow 1s ease-in-out infinite;
  }  

  @keyframes arrow {
    0% {
      transform: translate(0px, 0px);
    }
   
     50% {
      transform: translate(0px, 5px);
    }
    
    100% {
      transform: translate(0px, 0px);
    }
  }