.site-footer {
    background-color: #0a1f30; /* Tối hơn Primary một chút */
    color: #a0a0a0;
    font-size: 15px;
}

.footer-widgets {
    padding: 30px 0 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-title {
    color: #fff;
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

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

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #a0a0a0;
}

.footer-social {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: inline-flex;
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-list li {
    color: #dcdcdc;
}

.site-info {
    padding: 20px 0;
    font-size: 14px;
    background-color: #061521;
}

.site-info a {
    color: #fff;
    font-weight: bold;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-col {
        text-align: left; /* Căn trái toàn bộ */
    }
    .footer-title:after {
        left: 0; /* Căn trái đường kẻ dưới tiêu đề */
    }
}