#pantalla-inicio{
    background: linear-gradient( rgba(0, 0, 0, .9), rgba(0, 0, 0, .1)), url("/img/perfil.png");
    background-size: cover;
    background-position: center center;
    height: 500px;
}

/* pantalla prncipal */
.contenedor-presentacion{
    max-width: 1176px;
    margin-left: 12%;
   margin-right: 9%;
    position: relative;
}
.presentacion{
    max-width: 800px;
    width: 100%;
    position: absolute;
    background-color: rgba(0, 0, 0, .75); 
    margin: auto;
    margin-top: 8%;
    padding: 20px;
    color: var(--blanco);
    text-align: left;
      
}
.presentacion h1{
    font-size: 48px;
    margin-bottom: 25px;
    text-align: left;
    display: block;
    color: #fff;
    padding-bottom: 10px;
    margin: 0 0 20px;
    border-bottom: var(--sexto) solid 4px;
}

.presentacion h3{
    display: block;
    color: #fff;
    padding-bottom: 10px;
    margin: 0 0 20px;
    font-size: 16px;
}
.hr1{
    display: block;
    margin: 0 0 25px;
    font-size: 48px;
    border-bottom: var(--sexto) solid 4px
}
.hr2{
    color: #fff;
    display: block;
    margin-bottom: 25px;
    font-size: 21px;
    border-bottom: #a6a9ac solid 1px;
}
.descripcion-inicio{
    color: var(--blanco);
    margin-bottom: 1.5em;
    font-size: 18px;
    line-height: 1.5em; 
    margin-left: 0;
    text-align: justify;
}
/* articulo */
#articulo{
    padding: 1em 0;
}
.contenedor-articulos{
    max-width: 1176px;
    margin-right: auto;
    margin-left: auto;
    padding-left: 8px;
    padding-right: 8px;
    display: grid;
    gap: 10rem;
    grid-template-columns: 3fr 1fr;
    position: relative;
}

.contenido-texto{
    display: block;
}
.contenido-texto h1{
    font-size: 34px;
    line-height: 1.1em;
    color: #414042;
    margin-block-start: 1.33em;
    
}
.contenido-texto .intro{
    margin: 1em 0;
    font-size: 22px;
    line-height: 1.33em;
    color: #58595b;
    display: block;
    
}
.contenido-texto h3{
    margin-bottom: 0.625em;
    font-size: 20px;
    margin-top: 20px;
    line-height: 18px;
    color: #414042;
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}
.contenido-texto p{
    margin: 1em 0;
    font-size: 18px;
    line-height: 1.33em;
    color: #58595b;
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

.contenido-informativo{
    position: relative;
    max-width: 270px;
    min-height: 1px;

}

blockquote{
    margin: 80px 0;
    padding: 1.25em 0.875em 0.5em;
    display: block;
    quotes: none;
    font-size: 23px;
    line-height: 1.27em;
    color: #41b3c1;
    background-color: #ecf7f9;
    border-top: 3px solid #41b3c1;
    text-align: left;
    
}
.fa-quote-left{
    padding-right: 0.25em;
    font-size: 40px;
    margin-bottom: 10px;
    display: block;
    line-height: 1;
    text-transform: none;
}
.fa-quote-right{
    font-size: 10px;
    vertical-align: top;
}
.cliente{
    margin-top: 1em;
    display: block;
    font-size: .63em;
    font-weight: 700;
    color: #41b3c1;
}
/* proyectos perfil */

#cotenedor-proyectos-perfil{
    background-color: #eee;
    padding: 20px 0;
    margin: auto;
}
.cotenedor-proyectos-perfil{
    max-width: 1176px;
    margin-right: auto;
    margin-left: auto;
}
/*Portafolio*/

.contenido-proy-perfil{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 1rem;
    margin: 30px 0px;
}


.proyecto-perfil{
    margin: 0 10px;
    position: relative;
    overflow: hidden;
}
.proyecto-perfil img{
    
    width: 100%;
    max-height: 200px;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: .5s;
}
.proyecto-perfil img:hover{
    transform: scale(1.2);
}
.info-proyecto-perfil{
    position: absolute;
    left: 0px;
    background-color: rgba(0, 0, 0, .8);
    color: var(--blanco);
    width: 100%;
    padding: 10px;
    height: 45px;
    bottom: 0;
    transition: .5s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cotenedor-proyectos-perfil .contenido-texto h2 {
    margin-left: 8px;
    margin-right: 8px;
}
.info-proyecto-perfil i{
    color: var(--sexto);
}
.proyecto-perfil:hover .info-proyecto-perfil i {
    color: white;
}
.info-proyecto-perfil:hover{
    background-color: var(--sexto);
}

@media screen and (max-width: 768px) {
    .contenedor-articulos{
        grid-template-columns: 1fr ; 
    }

    .contenido-informativo{
        position: relative;
        max-width: 100%;
        margin-top: -150px;
    }
    .contenido-proy-perfil{
        display: grid;
        grid-template-columns: repeat(2,1fr);
        gap: 1rem;
        margin: 30px 0px;
    }
    #pantalla-inicio{
        height: 700px;
    }
}

@media screen and (max-width: 400px) {
    .contenido-proy-perfil{
        grid-template-columns: repeat(1,1fr);
    }
}