body{
    margin:0;
    background:#0d1117;
    color:white;
    font-family:Arial,sans-serif;
}

.hero-banner{
    width:100%;
}

.hero-content{
    text-align:center;
    padding:40px;
}

.btn{
    display:inline-block;
    padding:12px 20px;
    background:#facc15;
    color:black;
    text-decoration:none;
    border-radius:6px;
    margin-top:15px;
}

section{
    padding:50px;
    max-width:1200px;
    margin:auto;
}

h2{
    text-align:center;
}

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

.card{
    background:#161b22;
    padding:20px;
    width:250px;
    border-radius:10px;
    border:1px solid #30363d;
}
.navbar{
    position:sticky;
    top:0;
    background:#0d1117;
    padding:15px;
    text-align:center;
    border-bottom:1px solid #30363d;
    z-index:1000;
}

.navbar a{
    color:white;
    text-decoration:none;
    margin:0 15px;
    font-weight:bold;
}

.navbar a:hover{
    color:#facc15;
}