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

body{
    background-color: #ece7e7;
    background:linear-gradient(to bottom,#2f2114,#1A0E0B,#ce751c,#502921,#1A0E0B,#ce751c,#1A0E0B);
    min-height: 100vh;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    padding: 0;
    margin: 0;
    color: white;
    padding-top: 160px;
}

.contenido{
    width: 100%;
      max-width: 1940px;
      margin: 10px auto;
      min-height: 100vh;
}

header{
    width: 100%;
    max-width: 1940px;

    position: fixed;
    top: 0;
}

.encabezado{
    overflow: hidden;
    background: #000;
}

div#marca img{
    width: 150px;
    padding: 5px 20px;
}

nav{
    width: 100%;
    height: 40px;
    border-top: 4px solid burlywood;
    background: #000;
}

.menu-nav{
    width: 100%;
    height:80px;
    color: #fff;
    height: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.menu-nav li{
    padding: 5px 20px;
}

.menu-nav a{
    font-size: 1em;
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
}

ul a:hover{
    color: #ccc;
    cursor: pointer;
}

section#cabecera{
    padding: 0;
    margin: 0;
    width: 100%;
    background: url(img/ab1.jpg) no-repeat ;
    background-size: 100% 100%;
    min-height: 350px ;
    display: flex;
    justify-content: center;
    align-items: center;
    color: gray;
}

.titulo h1{
    font-size: 3em;
}

.apartados{
    width: 100%;
    margin-top: 4%;
    color: gray;
    min-height: 50vh;

}

.apartado1{
    width: 60%;
    text-align: justify;
    margin: auto;
}


.apartado2{
    width: 60%;
    text-align: justify;
    margin: auto;

}

.apartado3{
    width: 60%;
    text-align: justify;
    margin: auto;
}

.apartado3 h3{
    line-height: 1.5;
    font-size: 2em;
    margin-top: 1em;
}

.nos0, .nos1, .nos2{
    margin-bottom: 3%;
    line-height: 1.5;
}


footer{
    width: 100%;
    font-family: sans-serif;
    position: fixed;
    bottom: 0;
}

.footer-copy-redes{
    width: 100%;
    background: #000;
    border-top: .5px solid rgb(12, 97, 71);
}

.main-copy-redes{
    width: 100%;
    max-width: 1680px;
    padding: 10px 0;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    -ms-align-items:center;
    align-items: center;
    color: #fff;
    /* border: 2px solid greenyellow; */
}

.main-copy-redes .footer-copy{
    width: 30%;
    padding-left: 5%;
    /* border: 2px solid greenyellow; */
}

.main-copy-redes .footer-redes{
    width: 50%;
    display: flex;
    flex-wrap: wrap;
    padding-right: 3%;
    /* border: 2px solid greenyellow; */
}

.main-copy-redes .footer-redes a{
    display: inline-block;
    text-decoration: none;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    background: #fff;
    color: #000;
    text-align: center;
    margin: 0 10px 0 10px;
    border: 2px solid greenyellow;
}

.footer-redes{
    display: flex;
    justify-content: flex-end;
}


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

    .apartados{
        width: 100%;
        min-height: 100vh;
        margin-top: 4%;
        color: gray;
    
    }

    h1{
        color:rgb(90, 88, 88);
        width: 65%;
        margin: 0 auto;
        text-align: center;
        }



    .footer-copy-redes{
        width: 100%;
        background: #000;
        border-top: .5px solid rgb(97, 61, 12);
    }
    
    .main-copy-redes{
        justify-content: space-around;
    }
    
    .main-copy-redes .footer-copy{
        width: 50%;
    }
    
    .main-copy-redes .footer-redes{
        width: 30%;
    }
    
}

@media screen and (max-width:600px) {
    .menu-nav{
        color: #fff;
        height: 100%;
        font-size:12px;
    }

    section#cabecera{
        min-height: 250px ;
        display: flex;
        justify-content: center;
        align-items: center;
        color: gray;
    }
    
    .titulo h1{
        width: 90%;
        font-size: 1.7em;
        text-align: center;
    }
    
    .container-card{
        display: flex;
        align-items: flex-start;
        max-width: 1100px;
        min-height: 60vh;
        width: 100%;
        margin-top: 23%;
    }
    
    .card{
        text-align: center;
        margin: 50px 1px 0px 1px;
        font-size: .8em;
    }
}

    @media screen and (max-width:375px) {
        .menu-nav{
            color: #fff;
            font-size:10px;
        }
    
        section#cabecera{
            min-height: 200px ;
            color: gray;
        }
        
        .titulo h1{
            width: 90%;
            font-size: 1.7em;
            text-align: center;
        }
        
        .container-card{
            min-height: 75vh;
            width: 100%;
            margin-top: 20%;
        }
        
        .card{
            text-align: center;
            margin: 50px 1px 0px 1px;
        }
    
        .card .contenido-card p{
            line-height: 1.8;
            color: gray;
            font-size: 12px;
            margin-bottom: 5px;
        }
        
        .card .contenido-card a{
            display: inline-block;
            padding:10px;
            margin-top: 10px;
            text-decoration: none;
            color: black;
            border-radius: 4px;
            transition: all 400ms ease;
            margin-bottom: 5px;
        }

   }