body{
background:#000;
color:#fff;
font-family:Arial, Helvetica, sans-serif;
margin:0;
text-align:center;
}

.container{
max-width:900px;
margin:auto;
padding:40px 20px;
}

.hero{
width:320px;
max-width:90%;
margin-top:20px;
}

.description{
opacity:.9;
margin-top:10px;
font-size:18px;
}

.stats{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
gap:20px;
margin-top:40px;
}

.card{
background:#111;
padding:20px;
border-radius:10px;
}

.buttons{
margin-top:40px;
}

.btn{
display:inline-block;
background:white;
color:black;
padding:14px 28px;
margin:10px;
border-radius:8px;
text-decoration:none;
font-weight:bold;
}

.chart{
margin-top:50px;
}

.chart iframe{
width:100%;
height:420px;
}

.how{
margin-top:60px;
text-align:left;
max-width:500px;
margin-left:auto;
margin-right:auto;
}

.social{
margin-top:50px;
}