/* style/3-css-basico-grid.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    text-align: center;
}

main {
    padding: 1em;
    display: grid;
    gap: 1em;
    grid-template-columns: 1fr;
}

section {
    background-color: #f9f9f9;
    padding: 1em;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.container {
    display: grid;
    gap: 1em;
    grid-template-columns: 1fr 1fr;
}

footer {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 1em;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
}