.site-footer {
    padding-top: 48px;
    background: #0b1e4d;
    color: #fff;
}

.site-footer__main {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 40px;
    padding-bottom: 36px;
}

/* ── Cột 1: logo + mô tả + social ────────────────────────────── */
.site-footer__brand {
    margin-bottom: 16px;
}

.site-footer__brand .site-branding__image {
    max-height: 42px;
    width: auto;
    display: block;
}

.site-footer__brand .site-branding__image--dark {
    display: block;
}

/* Nếu có logo "chế độ tối" (bản sáng), footer ưu tiên dùng nó để nổi trên nền navy */
.site-footer__brand .site-branding__link:has(.site-branding__image--dark) .site-branding__image--default {
    display: none;
}

.site-footer__brand .site-branding__text {
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.site-footer__about {
    max-width: 340px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    line-height: 1.7;
}

.site-footer__about p {
    margin: 0 0 0.6em;
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    text-align: justify;
}

.site-footer__about p:last-child {
    margin-bottom: 0;
}

.site-footer__socials {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.site-footer__social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: var(--footer-social, rgba(255, 255, 255, 0.12));
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.2s ease;
}

.site-footer__social:hover {
    opacity: 0.85;
}

/* ── Tiêu đề cột ──────────────────────────────────────────────── */
.site-footer__title {
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.2;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 700;
    color: #fff;
}

/* ── Cột 2: Khám phá (chuyên mục) ─────────────────────────────── */
.site-footer__category-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer__category-link {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    transition: color 0.2s ease;
}

.site-footer__category-link:hover {
    color: #fff;
}

/* ── Cột 3: Liên hệ ───────────────────────────────────────────── */
.site-footer__contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.site-footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    line-height: 1.5;
}

.site-footer__contact-item i {
    margin-top: 3px;
    width: 16px;
    text-align: center;
    color: #6f9bff;
    font-size: 14px;
    flex-shrink: 0;
}

.site-footer__contact-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer__contact-item a:hover {
    color: #fff;
}

/* ── Thanh dưới: copyright + chính sách ───────────────────────── */
.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__copyright {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    line-height: 1.5;
}

.site-footer__nav,
.site-footer__nav-list {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer__nav-list li {
    margin: 0;
    padding: 0;
}

.site-footer__nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.site-footer__nav a:hover {
    color: #fff;
}

@media (max-width: 991px) {
    .site-footer__main {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 32px;
    }

    .site-footer__column--about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 767px) {
    .site-footer {
        padding-top: 34px;
    }

    .site-footer__main {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-bottom: 28px;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}