body{
    background: url(../images//fondo.jpg) no-repeat center center fixed;
    background-size: cover;
    font-family: 'Montserrat', sans-serif;
}

.efecto{
    position: relative;
    background: url(../images/fondo-efecto.jpg) no-repeat center center;
    background-size: cover;
    height: 80vh;
    padding: 0;
}
.fondo-negro{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(256, 256, 256, 0.1);
    width: 100%;
    height: 100%;
}

.cabecera{
    background: rgba(256,256,256,1);
    background: -moz-linear-gradient(top, rgba(256,256,256,1) 0%, rgba(256,256,256,0.8) 20%, rgba(256,256,256,0.6) 40%, rgba(256,256,256,0.4) 60%, rgba(256,256,256,0.2) 80%, rgba(256,256,256,0) 100%);
    background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(256,256,256,1)), color-stop(20%, rgba(256,256,256,0.8)), color-stop(40%, rgba(256,256,256,0.6)), color-stop(60%, rgba(256,256,256,0.4)), color-stop(80%, rgba(256,256,256,0.2)), color-stop(100%, rgba(256,256,256,0)));
    background: -webkit-linear-gradient(top, rgba(256,256,256,1) 0%, rgba(256,256,256,0.8) 20%, rgba(256,256,256,0.6) 40%, rgba(256,256,256,0.4) 60%, rgba(256,256,256,0.2) 80%, rgba(256,256,256,0) 100%);
    background: -o-linear-gradient(top, rgba(256,256,256,1) 0%, rgba(256,256,256,0.8) 20%, rgba(256,256,256,0.6) 40%, rgba(256,256,256,0.4) 60%, rgba(256,256,256,0.2) 80%, rgba(256,256,256,0) 100%);
    background: -ms-linear-gradient(top, rgba(256,256,256,1) 0%, rgba(256,256,256,0.8) 20%, rgba(256,256,256,0.6) 40%, rgba(256,256,256,0.4) 60%, rgba(256,256,256,0.2) 80%, rgba(256,256,256,0) 100%);
    background: linear-gradient(to bottom, rgba(256,256,256,1) 0%, rgba(256,256,256,0.8) 20%, rgba(256,256,256,0.6) 40%, rgba(256,256,256,0.4) 60%, rgba(256,256,256,0.2) 80%, rgba(256,256,256,0) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#000000', GradientType=0 );

    position: relative;
    z-index: 2;
    padding-top: 10px;
    padding-bottom: 100px;
}

.logotipo img{
    text-align: center;
}
.logotipo img{
    width: 65%;
}


nav a{
    text-decoration: none;
    color: white;
}

.menu-r{
    cursor: pointer;
    display: none;
}

nav ul{
    list-style: none;
    padding: 0;
}

nav ul li{
    width: 23%;
    float: left;
    margin: 0 1%;
}

.menu, .menu-r{
    border-bottom: 4px solid rgb(155,154,158);
    background: rgb(155,154,158,0.6);
    width: 100%;
    font-size: 20px;
    color: white;
    text-align: center;
    padding: 3px 0;
}
.menu:hover, .activo, .menu-r:hover{
    border-bottom: 4px solid black;
    background: black;
    font-weight: bold;
}

.datos{
    text-align: center;
    font-size: 20px;
    line-height: 32px;
}
.datos p{
    margin-bottom: 6px;
}



.contenido{
    padding-top: 40px;
    padding-bottom: 40px;
}

.titulo{
    text-align: center;
    font-size: 33px;
    font-weight: bold;
    color: #4e76b4;
    margin-bottom: 30px;
}

.seccion{
    font-size: 22px;
    line-height: 32px;
}
.seccion strong{
    width: 100%;
    color: #5075b1;
    display: inline-block;
    margin-bottom: 20px;
}

.imagen-seccion img{
    width: 100%;
}


.servicios{
    background: #4e76b4;
    color: white;
    font-size: 20px;
    line-height: 30px;
    padding-top: 40px;
    padding-bottom: 40px;
}
.servicios strong{
    font-size: 23px;
    text-shadow: 2px 2px 2px black;
}


.fondo-productos{
    background: url(../images/fondo-productos.jpg) no-repeat center center;
    background-size: cover;
    padding: 150px 100px;
}
.fondo-servicios{
    background: url(../images/fondo-servicios.jpg) no-repeat center center;
    background-size: cover;
    padding: 150px 100px;
}

.texto-i, .texto-d{
    background: rgba(0, 0, 0, 0.7);
    width: calc(100px-50px);
    font-size: 20px;
    line-height: 30px;
    color: white;
    float: right;
    padding: 10px;
}

.card-title{
    font-size: 21px;
    text-align: center;
    font-weight: bold;
}


.form-group{
    margin-bottom: 20px;
}


footer{
    background: #173b70;
    color: white;
    font-size: 20px;
    line-height: 30px;
    padding-top: 40px;
    padding-bottom: 40px;
}
footer iframe{
    width: 100%;
    height: 150px;
}
footer strong{
    width: 100%;
    font-size: 23px;
    text-shadow: 2px 2px 2px black;
    display: inline-block;
    margin-bottom: 20px;
}
footer a{
    color: white;
}


@media screen and (max-width:1400px){
    
}

@media screen and (max-width:1200px){
    .cabecera{
        position: relative;
    }
    .logotipo img{
        width: 30%;
    }
}

@media screen and (max-width:992px){
    .logotipo img{
        width: 40%;
    }

@media screen and (max-width:768px){
    .logotipo{
        margin-bottom: 20px;
    }
    .logotipo img{
        width: 50%;
    }
    nav ul{
        display: none;
    }
    nav ul li{
        width: 100%;
        margin: 0;
    }
    .menu-r{
        display: block;
    }
    .fondo-servicios, .fondo-productos{
        padding: 10px;
    }
}

@media screen and (max-width:576px){
    .logotipo img{
        width: 45%;
    }
}