.box{
display:flex;
justify-content:center;
padding:40px;
background:#f5f6fa;
}

.campanha-container{
max-width:700px;
width:100%;
background:white;
padding:40px;
border-radius:12px;
box-shadow:0 10px 30px rgba(0,0,0,0.08);
}

.steps{
display:flex;
gap:10px;
margin-bottom:30px;
}

.step{
width:35px;
height:35px;
border-radius:50%;
background:#ddd;
display:flex;
align-items:center;
justify-content:center;
font-weight:bold;
}

.step.active{
background:#22c55e;
color:white;
}

.form-step{
display:none;
}

.form-step.active{
display:block;
}

.form-group{
margin-bottom:20px;
display:flex;
flex-direction:column;
}

input, textarea{

padding:12px;
border-radius:8px;
border:1px solid #ddd;

}

.next, .prev{

padding:12px 20px;
border:none;
border-radius:6px;
cursor:pointer;
margin-right:10px;

}

.next{

background:#22c55e;
color:white;

}

.prev{

background:#ddd;

}

.btn-submit{

background:#16a34a;
color:white;
padding:14px;
border:none;
border-radius:8px;
font-size:18px;
width:100%;

}

.preview-box{

margin-top:10px;
display:none;
max-width:250px;

}

.preview-box img{

width:100%;
border-radius:8px;

}