/* ═══════════════════════════════════════════
   DataDeep — Footer
   ═══════════════════════════════════════════ */

.footer {
    background: var(--dd-navy);
    color: rgba(255, 255, 255, 0.6);
    padding: 72px 0 32px;
}

.footer-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.3fr;
    gap: 48px;
}

.footer-brand img {
    height: 32px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    max-width: 280px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: var(--space-5);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.25s var(--ease-smooth);
}

.footer-social a:hover {
    background: rgba(187, 49, 199, 0.2);
    color: var(--dd-purple-light);
}

.footer-social a svg {
    width: 16px;
    height: 16px;
}

.footer h4 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--dd-white);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: 20px;
}

.footer ul { list-style: none; }

.footer ul li { margin-bottom: 10px; }

.footer ul a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.25s var(--ease-smooth);
}

.footer ul a:hover { color: var(--dd-purple-light); }

.footer-contact p {
    font-size: var(--font-size-sm);
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact a {
    color: var(--dd-purple-light);
    text-decoration: none;
    transition: color 0.25s;
}

.footer-contact a:hover { color: var(--dd-white); }

/* Footer bottom */
.footer-bottom {
    max-width: var(--max-width);
    margin: 48px auto 0;
    padding: 24px 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.35);
    text-decoration: none;
    transition: color 0.25s;
}

.footer-bottom a:hover { color: rgba(255, 255, 255, 0.7); }

.footer-legal {
    display: flex;
    gap: 24px;
}