*{
    box-sizing: border-box;
}

html{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

body{
    margin: 0;
    width: 100vw;
}

/* main{
    display: grid;
    grid-gap: 20px;
} */

nav{
   width: 100vw;
    background-color: #f9f9f9;
    padding: 0.3rem 1rem;
    border-bottom: 1px solid #f0f0f0;
    color: #b0b0b0;
    /* background-color: black; */
}

nav .brand, nav .brand i{
    color: #3a92d6;
}

nav ul{
    list-style: none;
    padding: 0px;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
}

nav a{
    font-size: 1.5rem;
    padding: 0.5rem 1.2rem;
    text-decoration: none;
    display: block;
    color: #a0a0a0;
}

nav a:hover{
    color: #3a92d6;
    font-weight: bold;
}

nav .brand{
    margin-right: auto;
  font-size: 2rem;
  font-weight: 800;
  position: relative;
}

nav .ham-burger{
    display: none;
}

nav input{
    display: none;
}

nav .burger{
    display: inline-block;
    transform: translateX(100%);
}

header{
    width: 100vw;
    height: 500px;
    background: url(img-folder/bar-blur.jpg);
    background-size: cover;
    background-position: center;
    text-align: center;
    color: white;
    display: grid;
    align-content: center;
    align-items: center;
    padding: 20px;
}

header h1{
    font-size: 4rem;
    margin-bottom: 0;
}

header p{
    margin-top: 0;
    font-size: 1.5rem;
}

header .btn{
    padding: 0.4rem 1rem;
    font-size: 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    background-color: white;
    color: black;
}

header .btn:hover span::after{
    content: " \00bb";
}

/* 
header .btn:hover{
    border: 1px solid grey; 
     background-color: #f5f5f5;
} */

.main-box-div h2{
    margin: 0.5rem;
    font-size: 3.5rem;
    text-align: center;
    /* color: #3a92d6; */
    color: #808080;
    /* color: #303030; */
}

.main-box-div .boxes{
   width: 90vw;
    margin-left: auto;
    margin-right: auto;
    /* width: 95%;;
    margin-left: auto;
    margin-right: auto; */
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* justify-items: center; */
}

.main-box-div .box{
    padding: 2rem;
    color: #303030;
    background-color: #f9f9f9;
    box-shadow: 0 2px 3px #808080;
}

.box i{
    color: #808080;
}

.courses h2{
    margin: 0.5rem;
    font-size: 3.5rem;
    text-align: center;
    /* color: #3a92d6; */
    color: #808080;
    /* color: #303030; */
}

.courses{
    /* background-color: red; */
    /* height: 300px; */
    width: 80%;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    /*
    display: flex;
    flex-direction: column;
    justify-content: space-evenly; */
}

.courses .courses-brief{
    text-align: center;
    /* border-radius: 10px; */
   
    font-size: 2rem;
   /* background-image: linear-gradient(to right, #3c1c71, #024898, #006db1, #0090bf, #18b1c6);; */
   margin: 20px 0;
   display: grid;
   grid-template-columns: 50% 50%;
   box-shadow: 2px 2px 5px #a0a0a0;
   border-radius: 10px;
  
}

.courses-brief .image{
    background-color: #f9f9f9;
    position: relative;
    /* border-bottom-left-radius: 15px; */
   border-top-left-radius: 10px;
   border-bottom-left-radius: 10px;
}

.courses-brief h2{
    margin: 0;
    font-size: 3rem;
    color: #faf1dc;
    /* color: #e84c38;; */
}

.courses .content{
    /* border-top-right-radius: 20px; */
    padding: 40px 10px;
    background-color: #e84c38;
    /* background-color: #d9d9d9; */
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;

}

.courses-brief img{
    width: 150px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.courses-brief .btn{
    margin-top: 20px;
    border-radius: 7px;
    font-size: 1.5rem;
    text-decoration: none;
    color: white;
    display: inline-block;
    border: 2px solid white;
    padding: 5px 10px;
}

.courses-brief .btn:hover{
    background-color: white;
    color: black;
}

footer{
    width: 100vw;
    padding: 5px;
    display: grid;
    grid-template-columns: 0.1fr 1.5fr 1fr 1fr 1fr 0.1fr;
    grid-template-rows: repeat(4, 1fr);
    grid-template-areas:
        '. brand info helpful subscribe .'
        '. about info helpful subscribe .'
        '. contact info helpful subscribe .'
        '. social social copy copy .';
    background-color: #211f1f;
    color: white;
    font-size: 1.1rem;
}

footer h3{
    font-size: 1.3rem;
    color: #f2ab38;
    margin: 0px;
}

footer > div{
    padding: 20px;
    padding-bottom: 0;
}

footer .brand{
    grid-area: brand;
    padding: 20px;
    padding-bottom: 0px;
    font-size: 2rem;
    font-weight: 900;
    color: #3a92d6;
}

footer .about{
    grid-area: about;
}

footer .about p{
    margin: 0;
}

footer .contact{
    grid-area: contact;
}

/* footer .contact div{
    padding: 10px;
} */

footer .contact i{
    color: #f2ab38;
}


footer .info{
    grid-area: info;
}

footer .info ul, footer .helpful ul{
    list-style-type: none;
    padding: 0.5rem 0;
}

footer .info a, footer .helpful a{
    display: inline-block;
    text-decoration: none;
    padding: 0.3rem 0;
    color: white;
}

footer .helpful{
    grid-area: helpful;
}

footer .subscribe{
    grid-area: subscribe;
    position: relative;
}

footer .subscribe div{
    display: block;
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 1rem;
}

footer .subscribe input{
    background-image: url(img-folder/e-mail.svg);
    background-size: 1rem 1rem;
    background-repeat: no-repeat;
    background-position: center left;
    padding: 0.5rem;
    padding-left: 1.5rem;
    border-radius: 0.4rem;
    margin-top: 1rem;
    margin-bottom: 0.2rem;
    width: 90%;
}

footer .subscribe button{
    padding: 0.5rem 1rem;
    border-radius: 0.4rem;
    background-color: #f2ab38;
    border: 2px solid #f2ab38;;
    color: white;
    font-weight: bold;
}

footer .subscribe button:hover{
    background-color: white;
    color: #f2ab38;
    cursor: pointer;
}


footer .copy{
    grid-area: copy;
    text-align: right;
}

footer .social{
    text-align: right;
    grid-area: social;
}

footer .social a{
    font-size: 1.5rem;
    padding: 0 0.5rem;
    color: white;
}




@media screen and (max-width: 820px){
    .courses-brief .btn{
       font-size: 1.2rem;
    }
    .courses-brief img{
        width: 100px;
        }
    
    .courses .courses-brief{
       grid-template-columns: 40% 60%;
      
    }
    .courses-brief h2{
        font-size: 1.5rem;
    }
    
    nav a{
        font-size: 1.4rem;
        padding: 0.5rem 0.7rem;
    }
    nav .brand{
        font-size: 1.7rem;
    }
    footer{
        grid-template-columns: 1fr 1fr 1fr 0.5fr;
        grid-template-rows: 1fr 0.5fr 1fr 1fr 0.5fr 1fr 1fr;
        grid-template-areas:
            'brand      info        subscribe       subscribe'
            'brand      info        subscribe       subscribe'
            'about      info        subscribe       subscribe'
            'about      helpful     subscribe       subscribe'
            'contact    helpful     subscribe       subscribe'
            'contact    helpful     subscribe       subscribe'
            'social     copy          copy          copy';
    }
     footer{
        position: relative;
    }
    footer .contact{
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
    }
    footer .subscribe div{
        width: 100%;
    }
    footer .info ul, footer .helpful ul{
        margin-top: 0;
    }

}

@media screen and (max-width: 650px){
    nav ul{
        flex-direction: column;
    }
    nav .brand{
        margin-left: auto;
    }
    .main-box-div .boxes{
        width: 80%;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 1fr;
    }
    .main-box-div .box{
        border-bottom: 1px solid #c0c0c0;
    }
    .courses{
        width: 60%;
    }
    nav li:not(.brand){
        display: none;
    }
    nav .ham-burger{
        display: inline-block;
    }
    nav input:checked ~ li:not(.brand){
        display: inline-block;
    }
    footer{
        /* grid-template-rows: repeat(7, 1fr);
        grid-template-columns: repeat(1, 1fr);
        grid-template-areas:
            'brand'
            'about'
            'information'
            'helpful'
            'subscribe'
            'contact'
            'social'; */
       display: block;
    }
    footer div{
        margin: 10px;
    }
    footer .contact{
        position: static;
    }
    footer .subscribe{
        position: static;
    }
    
    footer .subscribe div{
       position: static;
       transform: translateY(0);
    }
    footer .contact{
        position: static;
        top: 0;
        transform: translateY(0);
    }
    footer .social{
        text-align: left;
    }
}

@media screen and (max-width: 480px){
    .courses{
        width: 60%;
    }
    .courses .courses-brief{
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }
    header{
        height: 400px;
    }
    header h1{
        font-size: 2.5rem;
    }
    header p{
        font-size: 1.25rem;
    }
    header .btn{
        font-size: 1.25rem;
        margin: 0.2rem 1rem;
    }
    .main-box-div h2{
        margin: 0.25rem;
        font-size: 2rem;
    }
    .main-box-div .boxes{
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
        width: 70vw;
    }
    .main-box-div .box{
        padding: 1rem;
    }
    .courses h2{
       font-size: 2rem;
    }
    .courses-brief img{
        width: 80px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    
    .courses-brief h2{
        font-size: 1.5rem;
        /* color: #e84c38;; */
    }

    .courses-brief .btn{
        margin-top: 10x;
        border-radius: 7px;
        font-size: 1.1rem;
        padding: 5px 10px;
    }
    .courses{
        width: 60vw;
    }
    .courses-brief .image{
      border-radius: 10px 10px 0 0;
    }
    
    
    .courses .content{
      border-radius: 0 0 10px 10px;
    
    }
}