body {
    font-family: Arial, sans-serif;
    margin: 0; padding: 0;
    background: #f2f2f2;
    color: #000;
}
header {
    text-align: center;
    padding: 20px;
    background: #1a1a1a;
    color: #fff;
}
.hero {
    text-align: center;
    padding: 40px 20px;
    background: #ddd;
}
.produtos {
    padding: 20px;
}
.grid { 
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}
.item {
    background: #bbb;
    padding: 40px;
    text-align: center;
    border-radius: 8px;
}
footer {
    text-align: center;
    padding: 15px;
    background: #1a1a1a;
    color: #fff;
    margin-top: 20px;
}