body{
    margin: 0px;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f4;
}
nav{
    background-color: #003366;
    padding: 15px;
}
nav ul{
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0px;
    padding: 0px;
}
nav a{
    color: white;
    text-decoration: none;
    font-weight: bold;
}
nav a :hover{
    border-color: white;
    color: #003366;
    padding: 10px;
}
/*Ana Kısım*/
.container{
    width: 90%;
    margin: auto;
    padding: 20px;
}
video{
    width: 100%;
    border-radius: 10px;
}
.grid{
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 20px;
}
.card{
    background-color: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
form{
    display: flex;
    flex-direction: column;
    gap: 15px;
}
input,textarea{
    padding: 10px;
    border: none;
    background-color: #003366;
color: white;
border-radius: 8px;
}