/* Flexible Layout for Footer */
html {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
}

.navbar {
    flex-shrink: 0;
}

.main-content {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.footer {
    flex-shrink: 0;
    margin-top: auto;
}

/* Additional responsive adjustments */
@media (max-width: 767px) {
    .navbar-collapse {
        margin-top: 1rem;
    }
    .navbar-nav .btn {
        width: 100%;
        margin-top: 0.5rem;
    }
}