html, body {
    height: 100%;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main, .main-content {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hero {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
}
.order-container {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 320px;
}
@media (max-width: 768px) {
    .order-container {
        min-height: 180px;
    }
}
footer {
    flex-shrink: 0;
}