body{
background:#f3f4f6;
font-family:Arial;
margin:0;
padding:40px;
}

.container-cards{
display:grid;
grid-template-columns:repeat(auto-fit, minmax(700px, 1fr));
gap:40px;
}

.card{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 5px 15px rgba(0,0,0,0.1);
text-align:center;
}

.card h2{
margin-bottom:20px;
}

.powerbi iframe{
width:100%;
height:500px;
border-radius:10px;
}

.botao-excel{
display:block;
width:140px;
margin:25px auto 0 auto;
padding:12px;
background:#217346;
color:white;
text-decoration:none;
border-radius:8px;
font-weight:bold;
}

.botao-excel:hover{
background:#1b5e37;
}
.botao-voltar{
position:fixed;
top:20px;
left:20px;

background:#374151;
color:white;
padding:10px 20px;
border-radius:8px;
text-decoration:none;
font-weight:bold;

box-shadow:0 4px 10px rgba(0,0,0,0.2);
transition:0.2s;
}

.botao-voltar:hover{
background:#1f2937;
transform:scale(1.05);
}