body{
    background-color:rgb(66, 66, 66);
    margin: 0; 
    font-family: Arial, Helvetica, sans-serif;
}

a{
    text-decoration: none;
    color: darkslategray;
    font-weight: bold; 
    font-size: 27px; 
}
a:hover{
    text-decoration: underline;
    color: rgb(32, 65, 65);
}

.nav-bar{
    position: relative; 
    width: 98%;
    height: 75px;
    background-color: wheat;
    margin: 25px auto 0 auto; 
    border-radius: 55px;   
    display: flex;
    align-items: center; 
    padding: 0 40px; 
    box-sizing: border-box; 
 
}


.nav-anasayfa a {
    font-size: 35px;
    color: rgb(27, 59, 59);
}


.nav-anasayfa-2{

    margin-left: 500px; 

}
.nav-dersler{

    margin-left: 100px; 

}
.nav-duyuru {
    margin-left: 100px; 
}



.nav-iletişim {
    margin-left: auto; 
}

.ana-kutu{
    position: relative;
    width: auto;
    
    height: 768px;
    background-color:#2a2a2a ;
    margin: 25px;
    margin-top: -100px;
}

.kutu-baslık{
    position: relative;
    color: #ecd9bc;
    text-align: center;
    font-weight: bold; 
    text-shadow:  0px 0px 25px #181C14;
    font-size: 30px;
    padding-top: 20px;
    width: 700px;
    height: 300px;
    margin-top: 125px;
    margin-left: 30%;
    line-height: 1;
}

.kutu-çizgi{
    position: absolute;
    width: 650px;
    height: 5px;
    background-color: #ece4d8;
    border-radius: 25px;
    margin-left: 32%;
    margin-top: -110px;
}

.kutu-metin{
    width: 650px;
    height: 280px;
    color: #ece4d8;
    text-align: center;
    text-shadow:  0px 0px 15px #181C14;
    font-size: 20px;
    margin-left: 32%;
    line-height: 1.6;
    margin-top: -100px;
}

.kutu-buton{
    background-color: #D9793B;
    width: 200px;
    height: 50px;
    border-radius: 50px; 
    margin-top: -150px;
    margin-left: 43.8%;
    transition: transform 0.3s ease, background-color 0.3s ease;
}  

.kutu-buton:hover{
    background-color: #ca641f;
    transform: translateY(-3px);
    border-radius: 50px ;
}

.kutu-buton-yazı a{
    position: absolute;
    text-align: center;
    text-decoration: none;
    font-size: 14px;
    color: #ece4d8;
    margin-left: 18px;
    margin-top: 15px;
}
.ana-kart{
    display: flex;
    width: 1250px;
    height: 275px;
    margin-top: 50px;
    margin-left: 370px;
    
}

.kart{
    position: absolute;
    background-color: darkslategray;
    border-radius: 15px;
    width: 300px;
    height: 200px ;
    padding: 25px;
    text-align: left;
    margin-top: 15px;
    
    
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.kart1{
    position: absolute;
    background-color: darkslategray;
    border-radius: 15px;
    width: 300px;
    height: 200px ;
    padding: 25px;
    text-align: left;
    margin-top: 15px;
    margin-left: 380px;
    
    transition: transform 0.3s ease, background-color 0.3s ease;

}

.kart2{
    position: absolute;
    background-color: darkslategray;
    border-radius: 15px;
    width: 300px;
    height: 200px ;
    padding: 25px;
    text-align: left;
    margin-top: 15px;
    margin-left: 765px;
    
    transition: transform 0.3s ease, background-color 0.3s ease;

}

.kart:hover{
    background-color: rgb(3, 56, 56);
    transform: translateY(-10px);
    box-shadow: 0px 15px 20px rgba(0, 0, 0, 0.3);
}
.kart1:hover{
    background-color: rgb(3, 56, 56);
    transform: translateY(-10px);
    box-shadow: 0px 15px 20px rgba(0, 0, 0, 0.3);
}
.kart2:hover{
    background-color: rgb(3, 56, 56);
    transform: translateY(-10px);
    box-shadow: 0px 15px 20px rgba(0, 0, 0, 0.3);
}

.kart h3{
    
    font-size: 25px;
    margin-top: -15px;
    text-align: center;
    color: wheat;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font: bolder;

}

.kart p{

    color: #F0EAD6;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 19px;
    
}

.kart a {
    color: wheat;
    text-decoration: none;
    font-weight: bold;
    
    font-size: 16px;
    font-family: sans-serif;
}

.kart1 h3{
    
    font-size: 25px;
    margin-top: -15px;
    text-align: center;
    color: wheat;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font: bolder;

}

.kart1 p{

    color: #F0EAD6;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 19px;
    
}

.kart1 a {
    color: wheat;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    font-family: sans-serif;
}


.kart2 h3{
    
    font-size: 25px;
    margin-top: -15px;
    text-align: center;
    color: wheat;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font: bolder;

}

.kart2 p{

    color: #F0EAD6;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 19px;
    
}

.kart2 a {
    color: wheat;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    font-family: sans-serif;
}