:root {
    --site-footer-blue: #1a3a6e;
    --site-footer-blue-dark: #0f2744;
    --site-footer-text: #2d3748;
}

.bio2-footer {
    background: #fff;
    border-top: 1px solid #f3f4f6;
    padding: 3rem 0 1.5rem;
    direction: rtl;
    font-family: Vazirmatn, Vazir, Tahoma, sans-serif;
    color: var(--site-footer-text);
}

.dark .bio2-footer {
    background: #1e293b;
    border-top-color: #334155;
}

.bio2-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .bio2-footer__grid {
        grid-template-columns: 2fr 1fr 1fr auto;
        align-items: start;
    }
}

.bio2-footer h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--site-footer-blue-dark);
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dark .bio2-footer h3 {
    color: #e2e8f0;
}

.bio2-footer h3::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--site-footer-blue);
    flex-shrink: 0;
}

.bio2-footer p,
.bio2-footer li {
    font-size: 0.88rem;
    line-height: 1.9;
    color: var(--site-footer-text);
}

.dark .bio2-footer p,
.dark .bio2-footer li {
    color: #cbd5e1;
}

.bio2-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bio2-footer__contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.bio2-footer__social {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.bio2-footer__social a {
    color: #6b7280;
    text-decoration: none;
}

.dark .bio2-footer__social a {
    color: #94a3b8;
}

.bio2-footer__social svg,
.bio2-footer__social-icon {
    width: 28px;
    height: 28px;
}

.bio2-footer__social-icon {
    display: block;
    object-fit: contain;
}

/* لوگوی PNG بله/روبیکا — در حالت تاریک روشن‌تر دیده شوند */
.dark .bio2-footer__social-icon--brand {
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.bio2-footer__trust {
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 768px) {
    .bio2-footer__trust {
        align-items: flex-start;
    }
}

.bio2-footer__bottom {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid #f3f4f6;
    text-align: center;
    font-size: 0.8rem;
    color: #6b7280;
}

.dark .bio2-footer__bottom {
    border-top-color: #334155;
    color: #94a3b8;
}

.bio2-container {
    width: min(1120px, 92vw);
    margin-inline: auto;
}