/* ==========================================================================
   PRODUCTION-GRADE FOOTER ARCHITECTURE
   ========================================================================== */
.site-footer {
    background: var(--footer-bg);
    color: #94a3b8;
    padding: 4rem 2rem 1.5rem 2rem;
    border-top: 1px solid #1e293b;
    margin-top: auto;
    box-sizing: border-box;
    width: 100%;
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
    box-sizing: border-box;
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

/* Brand block specialization */
.footer-logo {
    color: white;
    margin: 0 0 1rem 0;
    font-size: 1.4rem;
    font-weight: 700;
}
.footer-logo span {
    color: var(--primary);
}
.footer-bio {
    font-size: 0.85rem;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 1.25rem;
}

/* Link Tab Lists formatting */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-links a .material-icons {
    font-size: 1rem;
    color: #475569;
}
.footer-links a:hover {
    color: white;
}
.footer-links a:hover .material-icons {
    color: var(--primary);
}

/* Micro Icon Actions Row */
.footer-socials {
    display: flex;
    gap: 12px;
}
.footer-socials a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-socials a:hover {
    color: white;
}

/* Bottom Bar Isolation */
.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: #475569;
}
.footer-bottom strong {
    color: #94a3b8;
    font-weight: 500;
}

/* RESPONSIVE FOOTER MEDIA QUERY OVERRIDES */
@media (max-width: 900px) {
    .site-footer {
        padding: 3rem 1.25rem 1.5rem 1.25rem;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }
    .brand-column {
        text-align: center;
    }
    .footer-socials {
        justify-content: center;
    }
}