*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: arial,sans-serif;
}
nav{
    background:#fff;
    color: white;
    padding: 0px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo{
    font-size: large;

}
nav ul{
    list-style: none;
    display: flex;
    gap: 20px;
}
nav a{
    color:#222;
    text-decoration: none;
    padding-right: 30px;
    font-style:bold;
}
.hero{
    text-align: center;
    padding: 100px 20px;
    background: #f4f4f4;
}
.hero h1{
    font-size: 3rem;
    margin-bottom: 10px;
}
.hero button{
    margin-top: 10px;
    padding: 10px 20px;
    border: none;
    background:#007bff;
    color: white;
    cursor: pointer;
}
.cards{
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 50px 20px;
    flex-wrap: wrap;
}
.card{
    width: 300px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0,0,10px rgba(0,0,0,0.2);
    text-align: center;
}
footer{
    color: white;
    background: #222;
    text-align: center;
    padding: 20px;
}

/* responsive code */

@media(max-width:768px){


    nav{
        flex-direction: column;
        gap: 10px;
    }
    nav ul{
        flex-direction: column;
        text-align: center;
    }
    .hero h1{
        font-size: 2rem;
    }
    .card{
        width: 90%;
    }
}