/* ================================
   Site Footer
================================ */

.site-footer {
    background: var(--color-brown-900);
    color: rgba(255, 255, 255, 0.72);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.05fr 0.75fr 1.1fr 1fr;
    gap: 54px;
    padding: 72px 0 54px;
}

.site-footer__brand-col {
    max-width: 300px;
}

.site-footer__brand {
    display: inline-flex;
    align-items: center;
    max-width: 168px;
}

.site-footer__logo {
    display: block;
    width: auto;
    max-width: 168px;
    height: auto;
    max-height: 58px;
    object-fit: contain;
}

.site-footer__tagline {
    margin-top: 16px;
    color: var(--color-gold-300);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.site-footer__description {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 16px;
    line-height: 1.75;
}

.site-footer__title {
    margin: 0 0 18px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 800;
}

.site-footer__nav,
.site-footer__contact {
    display: grid;
    gap: 13px;
}

.site-footer__nav a,
.site-footer__contact a {
    color: rgba(255, 255, 255, 0.68);
    text-decoration: none;
    transition: color var(--transition-base);
}

.site-footer__nav a:hover,
.site-footer__contact a:hover {
    color: var(--color-gold-300);
}

.site-footer__contact p {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
    line-height: 1.55;
}

.site-footer__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    margin-top: 1px;
    color: var(--color-gold-300);
}

.site-footer__icon svg {
    display: block;
    width: 16px;
    height: 16px;
    fill: currentColor;
}

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

/* ================================
   Footer Socials
================================ */

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

.site-footer__social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 15px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition:
        color var(--transition-base),
        border-color var(--transition-base),
        background-color var(--transition-base),
        transform var(--transition-base);
}

.site-footer__social:hover {
    transform: translateY(-1px);
    border-color: rgba(222, 194, 137, 0.48);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-gold-300);
}

.site-footer__social-icon {
    display: block;
    width: 18px;
    height: 18px;
    object-fit: contain;
    flex: 0 0 auto;
}

/* Nếu icon SVG/PNG có màu gốc quá nổi, có thể bật filter nhẹ */
.site-footer__social:hover .site-footer__social-icon {
    transform: scale(1.04);
}

@media (max-width: 640px) {
    .site-footer__socials {
        gap: 8px;
    }

    .site-footer__social {
        min-height: 38px;
        padding: 8px 13px;
        font-size: 13px;
    }

    .site-footer__social-icon {
        width: 17px;
        height: 17px;
    }
}

.site-footer__social:hover {
    transform: translateY(-1px);
    border-color: rgba(222, 194, 137, 0.48);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-gold-300);
}

.site-footer__social svg {
    display: block;
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__bottom p {
    margin: 0;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 13px;
    text-align: center;
}

@media (max-width: 1100px) {
    .site-footer__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 42px;
    }
}

@media (max-width: 640px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 54px 0 42px;
    }

    .site-footer__brand-col {
        max-width: 100%;
    }

    .site-footer__brand,
    .site-footer__logo {
        max-width: 148px;
    }

    .site-footer__logo {
        max-height: 52px;
    }

    .site-footer__description {
        margin-top: 20px;
    }

    .site-footer__socials {
        gap: 8px;
    }

    .site-footer__social {
        min-height: 36px;
        padding: 8px 13px;
        font-size: 13px;
    }
}