.site-footer {
    position: relative;
    overflow: hidden;
    z-index: 5;
}
.footer-header{
    position: relative;
    overflow: hidden;
    height: 50vh;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.footer-background {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.footer-background img,
.footer-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-hero-text {
    text-transform: uppercase;
    position: relative;
    display: inline-flex; /* hoặc block */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 2;
}

.footer-hero-text h2.sec-title {
    color: #fff;
    cursor: none;
    font-weight: 700;
    font-size: clamp(80px, 20vw, 360px);
    letter-spacing: clamp(14px, 4vw , 80px);
    line-height: 0.6;
    white-space: nowrap;
}
/* nút: dùng left/top để di chuyển */
.footer-hero-text .contact-btn {
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 500;
    backdrop-filter: blur(6px);
    opacity: 0;
    pointer-events: none;
    will-change: left, top;
    transition: background 0.2s;
}

.footer-hero-text:hover .contact-btn {
    opacity: 1;
    cursor: none;
}

.footer-content {
    padding: 60px 0 30px;
    position: relative;
    z-index: 1;
    background: #FFFFFF;
}
.inner-footer-content{
    justify-content: space-between;
    color: var(--text-color);
}
.footer-right,
.footer-left {
    display: flex;
    flex-direction: column;
}
.footer-left{
    justify-content: space-between;
}
.footer-menu {
    padding: 0;
}

.footer-menu li {
    margin-bottom: 0.5rem;
}

.footer-menu a {
    color: var(--primary-color);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.6rem);
    letter-spacing: -.9px;
}

.footer-logo {
    max-width: clamp(120px, 20vw, 220px);
}
.footer-logo img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}
.footer-right {
    text-align: right;
    align-items: flex-end;
}

.footer-email,
.footer-phone {
    color: var(--primary-color);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.6rem);
    letter-spacing: -.9px;
}
.footer-address{
    font-size: clamp(12px, 1vw, 16px);
    line-height: 24px;
    max-width: 300px;
}
.socials{
    margin-left: 20px;
    display: flex;
    gap: 40px;
    list-style: disc;
}
.socials .social{
    color: var(--text-color);
    font-weight: 400;
    font-size: clamp(12px, 1vw, 16px);
    letter-spacing: -.9px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.3);
    padding-top: 15px;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-color)
}

.footer-bottom a {
    color: var(--link-color);
    text-decoration: underline;
}
@media (max-width: 768px) {
    .footer-right {
        text-align: left;
        align-items: flex-start;
        margin-top: 20px;
    }
}