<style>

.desc{
background:transparent;
color:#fff;
font-family:Arial,Helvetica,sans-serif;
font-size:15px;
line-height:1.6;
text-align:center;
max-width:950px;
margin:auto;
text-shadow:
-2px -2px 0 #000,
2px -2px 0 #000,
-2px 2px 0 #000,
2px 2px 0 #000,
0 0 7px #000;
}

.desc h1{
font-size:34px;
margin:15px 0;
}

.desc h2{
font-size:22px;
margin:25px auto 12px;
padding-bottom:8px;
border-bottom:2px solid #2ecc71;
}

.desc hr{
border:0;
border-top:1px solid rgba(255,255,255,.25);
margin:25px 0;
}

.planos{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
max-width:650px;
margin:25px auto;
}

.plano{
background:linear-gradient(145deg,#2ecc71,#27ae60);
border:2px solid rgba(255,255,255,.8);
border-radius:18px;
padding:20px;
box-shadow:0 0 18px rgba(46,204,113,.6);
transition:.3s;
}

.plano:hover{
transform:translateY(-5px);
box-shadow:0 0 25px rgba(46,204,113,1);
}

.plano strong{
font-size:19px;
}

.preco{
font-size:34px;
font-weight:bold;
margin:8px 0;
}

.lista{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:12px;
margin-top:20px;
}

.item{
background:rgba(255,255,255,.08);
border:1px solid rgba(255,255,255,.2);
border-radius:12px;
padding:12px;
}

@media(max-width:600px){

.desc h1{
font-size:27px;
}

.planos{
grid-template-columns:1fr;
}

}

</style>