footer {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 10%;
    padding: 1% 0;
    z-index: 10;
    text-align: center;
    color: #888;
    background-color: #1a1a1b;
    border-top: 1px solid #333;
}

.footer-content {
    display: flex;
    flex-direction: column;
}

.footer-content a {
    color: #888;
}

.website-purpose {
    font-size: 0.9em;
    line-height: 1.5;
}

.team-members {
    font-size: 0.85em;
    opacity: 0.7;
}

/* in mobile */
@media screen and (max-width: 768px) {
    footer {
        position: absolute;
        bottom: 0;
        height: 0;
        padding: 0;
        overflow: hidden;
        visibility: hidden;
        transition: height 0.6s ease, padding 0.6s ease, visibility 0.6s ease;
    }

    footer.visible {
        height: 25vh;
        padding: 3vh 0;
        visibility: visible;
    }

    .footer-content {
        max-width: 90vw; /* Adjust for smaller screens */
        padding: 0 10px;
    }
}