.gb-footer {
    background: #1A1F22;
    color: #fff;
    padding: 3rem 3rem 2rem;
    margin-top: 0;
}
.gb-footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
}
.gb-footer-section h4 {
    color: #5BD15F; /* accessible green on the always-dark footer (brand #2E7D32 fails AA here) */
    font-size: .95rem;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 1.1rem;
}
.gb-footer-section p,
.gb-footer-section a {
    color: #BDC3C7;
    text-decoration: none;
    display: block;
    font-size: .88rem;
    line-height: 1.6;
    margin-bottom: .45rem;
    transition: color .18s;
}
.gb-footer-section a:hover { color: #fff; }
.gb-footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.6rem;
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
    color: #BDC3C7;
    font-size: .84rem;
}
/* Dark mode — footer stays dark regardless, just soften it slightly */
body.dark-mode .gb-footer {
    background: #0d1520;
}
body.dark-mode .gb-footer-bottom {
    border-top-color: rgba(255,255,255,.08);
}
@media (max-width: 900px) {
    .gb-footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 520px) {
    .gb-footer { padding: 2.5rem 1.4rem 1.8rem; }
    .gb-footer-content { grid-template-columns: 1fr; gap: 1.8rem; }
}