.nav-logo .logo-icon {
    width: 56px;
    height: 46px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #000;
    font-weight: 800;
    background:white;
}

.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1rem;
    line-height: 1.7;
}

.footer h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #fff;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color 0.2s ease;
    text-decoration: none;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-certifications {
    display: flex;
    gap: 1rem;
}

.footer-cert {
    padding: 0.3rem 0.8rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}