footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 70px 80px 36px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-col h5 {
    font-family: var(--font-mono);
    font-size: .65rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 20px;
}

.footer-col a, .footer-col p {
    display: block;
    font-size: .85rem;
    color: var(--text);
    text-decoration: none;
    line-height: 2.1;
    transition: color .2s;
}

    .footer-col a:hover {
        color: var(--blue);
    }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: .75rem;
    color: var(--silver-dim);
}

.socials {
    display: flex;
    gap: 12px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--silver-dim);
    text-decoration: none;
    font-size: .85rem;
    transition: all .3s;
}

    .social-btn:hover {
        border-color: var(--blue);
        color: var(--blue);
        box-shadow: 0 0 14px var(--blue-glow);
    }