*,*::after,*::before{
    box-sizing: border-box;
}
body{
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 400;
    margin: 0;
    color: #212529;
}

/* ********** HEADER ********** */
header{
    background-color: rgba(0, 0, 0, 0.85);
    padding: 0.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
header .container{
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    padding: 0 15px;
}
header .container nav{
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
}

nav a{
    display: none;
    text-decoration: none;
    margin: 0;
    padding: 0;
    color:#999;
}
header .container nav a:first-of-type{
    display: block;
    background-color: transparent;
}
header .container nav a:first-of-type > img {
    display: block;
    margin-top: 4px;
    margin-bottom: 4px;
    background-color: #6c757d;
    border-radius: 50%;
    transition: background-color .15s ease-in-out;
}
header .container nav a:first-of-type > img:hover{
    background-color:#fff;
}

/* ********** HEADLINE ********** */
.headline{
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-content: center;
    overflow: hidden;
    padding: 1rem;
    text-align: center;
    background-color: #f8f9fa;
    position: relative;
}

.headline .container {
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-items: center;
    padding: 0 1rem;
    margin: 3rem 0;
}
.headline .container h1{
    font-weight: 400;
    font-size: 3.5rem;
    line-height: 1.2;
    margin: 0 0 .5rem 0;
}
.headline .container p{
    font-weight: 400;
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
}
.headline .container .secondary_light{
    color: #6c757d;
    cursor: pointer;
    border-color: #6c757d;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid #6c757d;
    border-radius: .25rem;
    background-color: #fff;
    padding: .375rem .75rem;
    transition: color .15s ease-in-out, 
    border-color .15s ease-in-out, 
    box-shadow .15s ease-in-out
    background-color .5s ease-in-out;
}
.headline .container .secondary_light:hover{
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}
.headline .product_design{
    display: none;
    position: absolute;
    width: 300px;
    height: 540px;
    border-radius: 21px;
    transform: rotate(30deg);
}
.headline .product_design_dark{
    right: 10%;
    bottom: -30%;
    background-color: #333;
}
.headline .product_design_light{
    top: -25%;
    right: auto;
    bottom: 0;
    left: 5%;
    background-color: #e5e5e5;
}
.headline .product_design::before{
    content: "";
    top: 10%;
    left: 10px;
    right: 10px;
    bottom: 10%;
    position: absolute;
    background-color: rgba(255, 255, 255, .1);
    border-radius: 5px;
}


/* ************ Show Products ************ */
.show_products{
    display: flex;
    flex-flow: column wrap;
}
.show_products .row{
    display: flex;
    flex-flow: column wrap;
}

.subheadline{
    display: inline-flex;
    flex-flow: column wrap;
    overflow: hidden;
    padding: 1rem 1rem 0 1rem;
}
.subheadline_dark{
    color: #fff;
    background-color: #343a40;
}
.subheadline_dark .product{
    background-color: #f8f9fa;
}
.subheadline_light{
    color: #000;
    background-color: #f8f9fa;
}
.subheadline_light .product{
    background-color: #343a40;
}
.subheadline_primary{
    color: #fff;
    background-color: #007bff;
}
.subheadline_primary .product{
    background-color: #f8f9fa;
}
.subheadline_vlight{
    color: #000;
    background-color: #f8f9fa;
}
.subheadline_vlight .product{
    background-color: #fff;
}
.subheadline .container{
    display: inline-flex;
    flex-flow: column wrap;
    text-align: center;
    justify-content: center;
    align-items: center;
    margin: 1rem 0;
    padding: 1rem 0;
}
.subheadline .container h2{
    font-weight: 500;
    font-size: 2rem;
    line-height: 1.2;
    margin: 0 0 .5rem 0;
}
.subheadline .container p{
    font-weight: 300;
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
}
.subheadline .product{
    width: 80%;
    height: 300px;
    border-radius: 21px 21px 0 0;
    margin: 0 auto;
}
.box_shadow{
    box-shadow: 0 .125rem .125rem rgba(0, 0, 0, 0.075);
}


/* *********** FOOTER ************* */

footer{
    width: 100%;
}
footer .container{
    display: block;
    width: 100%;
    padding: 3rem 1rem;
}
footer .container .row{
    display: flex;
    flex-flow: row wrap;
    color: #6c757d;
}
.row div > *{
    display: block;
    margin: 0 0 1rem 0;
}
footer .container .row h5{ 
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.2;
    margin:0 0 .5rem 0;
    color: #212529;
}
footer .container .row ul{
    display: inline-block;
    padding: 0;
    margin: 0 0 1rem 0;
}
footer .container .row ul li{
    display: block;
    list-style: none;
}
footer .container .row ul li a{
    display: inline-block;
    text-decoration: none;
    color: #6c757d;
    transition: text-decoration .15s ease-in-out;
}
footer .container .row ul li a:hover{
    text-decoration: underline;
}

@media(max-width: 767px){
    /* footer .container .row .col-xs-6{
        width: 50%;
    }
    .col-xs-12{
        width: 100%;
    } */

    .col-xs-1{ width: 8.3333%;}
    .col-xs-2{ width: 16.6667%;}
    .col-xs-3{ width: 25%;}
    .col-xs-4{ width: 33.3333%;}
    .col-xs-5{ width: 41.6667%;}
    .col-xs-6{ width: 50%;}
    .col-xs-7{ width: 58.3333%;}
    .col-xs-8{ width: 66.66667%;}
    .col-xs-9{ width: 75%;}
    .col-xs-10{ width: 83.3333%;}
    .col-xs-11{ width: 91.66667%;}
    .col-xs-12{ width: 100%;}

}
@media (min-width: 768px) and (max-width: 991px){
    header .container nav{
        width: 100%;
        flex-flow: row wrap;
        justify-content: space-between;
    }
    header .container nav a{
        display: inline-block;
        margin: 0;
        padding: 0;
        text-decoration: none;
        color:#999;
        transition: color .15s ease-in-out;
    }

    header .container nav a:hover{
        color:#fff;
    }

    .headline{
        margin: 1rem;
        padding: 3rem;
        background-color: #f8f9fa;
    }
    .headline .container{
        width: 720px;
        margin: 3rem auto;
    }
    .headline_content{
        margin: 0 auto;
        max-width: 41.6666vw;
    }
    .headline .product_design{
        display: block;
    }

    .show_products .row{
        /* width: 100%; */
        flex-flow: row nowrap;
        /* padding-left: 1rem; */
        margin-left: 1rem;
        margin-right: 0rem;
        margin-bottom: 1rem;
    }
    .show_products .row .subheadline{
        padding: 3rem 3rem 0 3rem;
        margin: 0 1rem 0 0;
    }    
    .show_products .row .subheadline .container{
        margin: 1rem 0;
        flex: 1;
    }

    footer .container{
        max-width: 960px;
        margin: 0 auto;
    }
    footer .container .row{
        flex-flow:  row wrap;
        justify-content: space-between;
        width: inherit;
    }
    .col-md-1{ width: 8.3333%;}
    .col-md-2{ width: 16.6667%;}
    .col-md-3{ width: 25%;}
    .col-md-4{ width: 33.3333%;}
    .col-md-5{ width: 41.6667%;}
    .col-md-6{ width: 50%;}
    .col-md-7{ width: 58.3333%;}
    .col-md-8{ width: 66.66667%;}
    .col-md-9{ width: 75%;}
    .col-md-10{ width: 83.3333%;}
    .col-md-11{ width: 91.66667%;}
    .col-md-12{ width: 100%;}
}
@media (min-width: 992px){
    header .container nav{
        width: 960px;
        flex-flow: row wrap;
        justify-content: space-between;
    }
    header .container nav a{
        display: inline-block;
        margin: 0;
        padding: 0;
        text-decoration: none;
        color:#999;
        transition: color .15s ease-in-out;
    }

    header .container nav a:hover{
        color:#fff;
    }

    .headline{
        margin: 1rem;
        padding: 3rem;
        background-color: #f8f9fa;
    }
    .headline .container{
        flex-flow: row wrap;
        width: 960px;
        margin: 3rem auto;
    }
    .headline_content{
        max-width: 41.6666vw;
        padding: 3rem;
    }
    .headline .product_design{
        display: block;
    }    

    .show_products .row{
        flex-flow: row nowrap;
        padding-left: 1rem;
        margin: 0 0 1rem 0;
    }
    .show_products .row .subheadline{
        padding: 3rem 3rem 0 3rem;
        margin-right: 1rem;
    }
    .show_products .row .subheadline .container{
        margin: 0 auto;
    }

    footer .container{
        max-width: 960px;
        margin: 0 auto;
    }
    footer .container .row{
        flex-flow:  row wrap;
        justify-content: space-between;
        width: inherit;
    }
    
    .col-lg-1{ width: 8.3333%;}
    .col-lg-2{ width: 16.6667%;}
    .col-lg-3{ width: 25%;}
    .col-lg-4{ width: 33.3333%;}
    .col-lg-5{ width: 41.6667%;}
    .col-lg-6{ width: 50%;}
    .col-lg-7{ width: 58.3333%;}
    .col-lg-8{ width: 66.6667%;}
    .col-lg-9{ width: 75%;}
    .col-lg-10{ width: 83.333%;}
    .col-lg-11{ width: 91.6667%;}
    .col-lg-12{ width: 100%;}
}

@media (min-width:1200px){
    .headline{
        margin: 1rem;
        padding: 3rem;
        background-color: #f8f9fa;
    }
    .headline .container{
        flex-flow: row nowrap;
        width: 1140px;
        margin: 3rem auto;
    }
    .headline_content{
        padding: 3rem;
        max-width: 41.6666vw;
    }
    .headline .product_design{
        display: block;
    } 
    
    .col-xl-1{ width: 8.3333%;}
    .col-xl-2{ width: 16.6667%;}
    .col-xl-3{ width: 25%;}
    .col-xl-4{ width: 33.3333%;}
    .col-xl-5{ width: 41.6667%;}
    .col-xl-6{ width: 50%;}
    .col-xl-7{ width: 58.3333%;}
    .col-xl-8{ width: 66.6667%;}
    .col-xl-9{ width: 75%;}
    .col-xl-10{ width: 83.333%;}
    .col-xl-11{ width: 91.6667%;}
    .col-xl-12{ width: 100%;}
}