/* ==========================================================================
   FOOTER STYLES - KHỚP MẪU CHUẨN 100%
   ========================================================================== */
.site-footer {
    background-color: #FAF3E8 !important; /* Nền màu kem nhạt */
    color: #4A2E1F !important;            /* Màu chữ nâu sẫm */
    padding: 50px 0 20px 0 !important;
    font-family: 'Times New Roman', Georgia, serif !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-top: 1px solid #F0E6D6;
    margin-top: 0 !important;
}

.footer-container {
    max-width: 1250px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1.3fr 1fr 1.1fr;
    gap: 35px;
    margin-bottom: 30px;
}

/* Tiêu đề cột */
.footer-col-title {
    color: #4A2E1F !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    margin-top: 0;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

/* Cột 1: Logo & Thông tin đăng ký */
.footer-logo {
    max-height: 85px;
    width: auto;
    display: block;
    margin-bottom: 18px;
}

.company-title {
    font-size: 16px !important;
    font-weight: 700 !important;
    color: #4A2E1F !important;
    margin-top: 0;
    margin-bottom: 12px;
    line-height: 1.4;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

.company-license {
    font-size: 14px !important;
    color: #5C3626 !important;
    line-height: 1.6 !important;
    margin: 0;
    font-family: 'Times New Roman', Georgia, serif !important;
}

/* Cột 2: Thông tin liên hệ & Mạng xã hội */
.contact-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 20px 0 !important;
}

.contact-list li {
    font-size: 14.5px !important;
    color: #5C3626 !important;
    line-height: 1.6 !important;
    margin-bottom: 8px !important;
    font-family: 'Times New Roman', Georgia, serif !important;
}

.contact-list li a {
    color: #5C3626 !important;
    text-decoration: none !important;
    transition: color 0.2s;
}

.contact-list li a:hover {
    color: #804936 !important;
}

.social-title {
    margin-top: 20px !important;
    margin-bottom: 12px !important;
}

.footer-socials {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: #ffffff !important;
    text-decoration: none !important;
    transition: transform 0.2s, opacity 0.2s;
}

.social-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.social-btn.youtube { background-color: #E62117 !important; }
.social-btn.facebook { background-color: #1877F2 !important; }
.social-btn.messenger { background-color: #A833E6 !important; }
.social-btn.zalo {
    background-color: #0068FF !important;
    font-size: 11px;
    font-weight: 700;
    font-family: -apple-system, sans-serif !important;
}

/* Cột 3 & 4: Menu Liên kết */
.footer-menu {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-menu li {
    margin-bottom: 10px !important;
}

.footer-menu li a {
    color: #5C3626 !important;
    text-decoration: none !important;
    font-size: 14.5px !important;
    line-height: 1.5 !important;
    font-family: 'Times New Roman', Georgia, serif !important;
    transition: color 0.2s;
}

.footer-menu li a:hover {
    color: #804936 !important;
    text-decoration: underline !important;
}

/* Huy hiệu Bộ Công Thương */
.bct-badge-wrapper {
    margin-top: 25px;
}

.bct-badge {
    max-width: 170px;
    height: auto;
    display: block;
}

/* Dòng Copyright cuối trang */
.footer-bottom {
    border-top: 1px solid #EFE4D2;
    padding-top: 20px;
    margin-top: 20px;
    text-align: center;
}

.copyright {
    margin: 0;
    font-size: 13px !important;
    color: #7A5847 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

/* ==========================================================================
   RESPONSIVE (MOBILE & TABLET CHUẨN 1 CỘT GIỐNG ẢNH 1)
   ========================================================================== */
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 767px) {
    .site-footer {
        padding: 35px 0 20px 0 !important;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
    }

    .footer-logo {
        margin: 0 0 15px 0;
    }

    .bct-badge-wrapper {
        margin-top: 18px;
    }

    .footer-bottom {
        padding-top: 15px;
        margin-top: 15px;
    }

    .copyright {
        font-size: 12px !important;
        line-height: 1.5 !important;
    }
}