html, body {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background: #232121;
}



.grid-container {
    background: #232121;
    color: #fff;
    display: inline-grid;
    grid-template-columns: .8em 1fr .8em;
    grid-template-rows: repeat(20, 5em) ;
    margin: 0 auto;
    max-width: 1200px;
    justify-items: center;


}

.intro {
    grid-column: 2 / 3;
    grid-row: 1/5;
    display: grid;
    justify-items: center;
    
}

.intro > p {
    padding: 0 2em;
}

.intro > h1 {
    align-self: center;
    padding: 0 2em;
    
}

.bgh1 {
    display: none;
}



.hero {    
    display: none;
    background: rgba(0, 0, 0, .8);     
   }

.hero2 {  
      
    background: rgba(0, 0, 0, .2);
    grid-column: 2 / 3;
    grid-row: 7/12 ;

}

.btn {
     grid-column: 2 / 3;
    grid-row: 6/7; 
}


.button {
   
    font-size: 1.25em;
    color: #000;
    background: #00D4EB;
    width: 9em;
    height: 2em;
}

.fa-sharp {
    padding: 0 .5em;
}


/*
* Created with https://www.css-gradient.com
* Gradient link: https://www.css-gradient.com/?c1=000000&c2=232121&gt=l&gd=dbb

background: rgba(0, 0, 0, 1.0);
background: linear-gradient(0deg, rgba(0, 0, 0, 1.0), rgba(35, 33, 33, 1.0));
.fa-sharp {
    padding: .25em;
}

*/

.cert {    
    color: #fff;
    grid-column: 2 / 3;
    grid-row: 12/22; 
    display: grid;
    justify-items: center; 

}



/* ############## media queries ############# */





 @media (min-width: 600px) {
    .smh1 {
        display: none;
    }
    .bgh1 {
        display: inline-block;
    }

    .intro > p {
        padding: 0 4em;
    }

}


 @media (min-width: 700px) {
    .grid-container {
        display: grid;
        grid-template-columns: .8em repeat(5, 1fr) .8em;
        grid-template-rows: repeat(20, 5em);
       
        
    }

    .intro {
        color: #fff;
        grid-column: 4/7;
        grid-row: 1 / 6;       
        
    }

    .intro > p {
        padding: 0;
    }
    .hero {  
        display: none; 
        background: rgba(0, 0, 0, .2);
        padding: 4em 2em;    
        z-index: 10;
        grid-column: 2/3;
    }

    .hero2 {
        grid-row: 1/5; 
        grid-column: 2 / 4;
        background: rgba(0, 0, 0, .2);
        padding: 4em 1em;    
        z-index: 10;
        
    }
    .btn {
        grid-column: 2/4;
        grid-row: 5;
        margin-top: 2em;

    }

   .cert {
    grid-column: 2/ 7;
    grid-row: 7 / 18;
   }
    
}

@media (min-width: 900px){

    .grid-container {
        font-size: 1.1em;
        display: grid;
        justify-items: center;

    }
    .intro > p {
        padding: 0 3em;
    }
   

    .hero2 {
        display: none;
    }

    .hero {    
        display: inline-block;
        width: 100%;
        max-width: 400px;
        background: rgba(0, 0, 0, .5);
        /* background: rgba(0, 0, 0, 1.0);*/
        background: linear-gradient(270deg, rgba(35, 33, 33, 1.0), rgba(0, 0, 0, 1.0)); 

        padding: 2.5em 1.5em 1em 2.5em;    
        z-index: 10;
        grid-column: 2 / 4;
        border-left: #00D4EB solid .1em;
        border-bottom: #00D4EB solid 1em;
        
        
    }

    .btn {
        grid-column: 5 / 6;
        grid-row: 6 / 7;
    }
    .cert {
        grid-column: 2/ 7;
        grid-row: 11 / 20;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: 5em 20em; 
        grid-auto-columns: minmax(200px, auto); 
        justify-items: center;    

       }


    .cert > h1 {
        grid-column: 2 / 4;
        grid-row: 1 / 2;
    }

    .image1 {
        grid-column: 1 / 2;
        grid-row: 2/3;
    }

    .image2 {
        grid-column: 2 / 4;
        grid-row: 2/3;
    }

    .image3 {
        grid-column: 4 / 5;
        grid-row: 2/3;
    }

   
}

@media (min-width: 1200px) {

    .grid-container{
        font-size: 1.25em;
    }

    h2 {

        font-size: 1.5em;
    }

    .btn {
        grid-row: 7;
    }

    .intro {
        grid-row: 2;
    }

    .intro > p {
        padding: 0 4em;
        
    }
}