.navbar {
    height: 80px; /* consistent nav height for calculations */
    background-color: #ffffff !important;
    color: #3a06d3 !important;
    font-size: 18px;
}

.navbar-collapse.show {
    position: fixed !important;
    top: 70px; /* height of your navbar */
    left: 0;
    width: 100%;
    background: white;
    z-index: 1050; /* higher than main */
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.top-left-logo {
    width: 100px !important;
    height: 60px !important;
}

footer {
    background-color: #ede7f6;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.9rem;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}