*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, sans-serif;
}

body{
    background:#f4f6f9;
}

header{
    background:#4f46e5;
    color:white;
    text-align:center;
    padding:30px;
}

nav{
    background:#333;
    text-align:center;
    padding:15px;
}

nav a{
    color:white;
    text-decoration:none;
    margin:0 15px;
}

nav a:hover{
    color:#ffd700;
}

section{
    padding:40px 20px;
    max-width:1000px;
    margin:auto;
}

#hero{
    text-align:center;
}

button{
    padding:10px 20px;
    margin-top:15px;
    background:#4f46e5;
    color:white;
    border:none;
    border-radius:5px;
    cursor:pointer;
}

button:hover{
    background:#372fc7;
}

.card-container{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.card{
    background:white;
    padding:25px;
    width:180px;
    text-align:center;
    border-radius:10px;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

ul{
    margin-left:20px;
    line-height:2;
}

footer{
    background:#333;
    color:white;
    text-align:center;
    padding:15px;
}