/* --- Footer --- */
footer {
    background-color: var(--surface-color);
    text-align: center;
    padding: 4rem 0;
    margin-top: 80px;
    border-top: 1px solid #2a2a2a;
}

footer p {
    font-size: 1rem;
    color: var(--text-color-dark);
}

.footer-links {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2.5rem;
}

.footer-links a {
    color: var(--text-color-dark);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.05rem;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: width 0.3s ease-out;
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-links a:hover {
    color: var(--primary-color);
}