/* ════════════════════════════
FOOTER — exact same as reference
════════════════════════════ */
.ref-footer {
    background-color: var(--bg-light);
    padding: 2rem 0;
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}
.ref-footer-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.ref-footer-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    gap: 1rem 2rem;
}
@media (min-width: 768px) {
    .ref-footer-row { justify-content: space-between; }
}
/* "What is..." — order 2 on mobile, order 1 on desktop */
.ref-footer-what { order: 2; }
@media (min-width: 768px) { .ref-footer-what { order: 1; } }
.ref-footer-what a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.15s;
}
.ref-footer-what a:hover { color: var(--primary); }

/* Nav links — order 1 on mobile, order 2 on desktop */
.ref-footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
    order: 1;
    width: 100%;
    margin-bottom: 1rem;
}
@media (min-width: 768px) {
.ref-footer-nav { order: 2; width: auto; margin-bottom: 0; }
}
.ref-footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.15s;
}
.ref-footer-nav a:hover { color: var(--primary); }