/* ====== Theme tokens ====== */
:root {
    --footer-bg: #0f172a; /* nền chính */
    --footer-bg-2: #0b1220; /* nền đáy */
    --footer-fg: #e5e7eb; /* chữ chính */
    --footer-dim: #94a3b8; /* chữ phụ */
    --footer-line: rgba(255,255,255,.08);
}

/* ====== Base ====== */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-fg);
    font-size: 14px;
    line-height: 1.7;
}

    .site-footer .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 24px 16px;
    }

/* ====== Grid layout ====== */
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1fr; /* brand rộng hơn, thêm 1 cột Pháp lý */
    gap: 32px;
    align-items: flex-start;
}

/* ====== Blocks ====== */
.footer-block .block-title {
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--footer-dim);
    margin: 0 0 10px;
}

.brand .brand-name {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 8px;
}

.brand .tagline {
    color: var(--footer-dim);
    margin: 0;
}

address {
    font-style: normal;
    margin: 0;
}

.contact-info p {
    margin: 0 0 6px;
}

.plain-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

    .plain-list li {
        padding: 6px 0;
        border-bottom: 1px dashed var(--footer-line);
    }

        .plain-list li:last-child {
            border-bottom: none;
        }

/* ====== Compliance (MOIT badge) ====== */
.compliance .moit-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #111827; /* nền hộp nhẹ để nổi trên footer */
    border: 1px solid var(--footer-line);
    border-radius: 10px;
    padding: 6px 10px;
    box-shadow: 0 1px 0 rgba(0,0,0,.12) inset;
    margin: 0 0 8px;
}

    .compliance .moit-badge img {
        display: block;
        height: 42px; /* auto scale theo chiều cao */
        width: auto;
        image-rendering: -webkit-optimize-contrast;
    }

.legal-note {
    color: var(--footer-dim);
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
}

/* ====== Bottom bar ====== */
.footer-bottom {
    border-top: 1px solid var(--footer-line);
    background: var(--footer-bg-2);
}

    .footer-bottom .container {
        padding: 12px 16px;
        text-align: center;
        color: var(--footer-dim);
    }

/* ====== A11Y ====== */
.sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ====== Responsive ====== */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1.5fr 1fr; /* gộp thành 2 cột */
    }

    .compliance .moit-badge img {
        height: 38px;
    }
}

@media (max-width: 640px) {
    .footer-top {
        grid-template-columns: 1fr; /* 1 cột mobile */
        gap: 20px;
    }

    .brand .brand-name {
        font-size: 18px;
    }

    .compliance .moit-badge img {
        height: 34px;
    }
}