/* Footer */
footer {
    background-color: var(--footer-background);
    color: #aaa;
    padding: 30px 0;
    text-align: center;
}

footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.social-links a { 
    margin: 0 10px;
    display: inline-block;
}

.social-links img { 
    width: 24px;
    height: 24px;
    filter: grayscale(100%) invert(70%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.social-links a:hover img {
    filter: grayscale(0%) invert(0%);
    transform: scale(1.2);
}