.hutbephot-footer-wrapper {
    background-color: #0a0a0a;
    color: #e0e0e0;
    padding: 60px 0 20px 0;
    font-family: 'Roboto', sans-serif;
}

.hutbephot-footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.hutbephot-footer-col {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
}

/* Cột 1: Logo & Giới thiệu */
.hutbephot-footer-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 20px;
}
.hutbephot-footer-logo-text {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.hutbephot-footer-about {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
    color: #b3b3b3;
}
.hutbephot-footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hutbephot-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    background-color: #333;
    color: #fff !important;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.3s ease;
    padding: 0 10px;
}
.hutbephot-footer-social a:hover {
    transform: translateY(-3px);
}
.hutbephot-social-fb { padding: 0 !important; border-radius: 50% !important; width: 40px; }
.hutbephot-social-phone { padding: 0 !important; border-radius: 50% !important; width: 40px; }
.hutbephot-social-mail { padding: 0 !important; border-radius: 50% !important; width: 40px; }
.hutbephot-social-tiktok { padding: 0 !important; border-radius: 50% !important; width: 40px; }

.hutbephot-social-fb:hover { background-color: #1877F2 !important; }
.hutbephot-social-zl:hover { background-color: #0068FF !important; }
.hutbephot-social-phone:hover { background-color: #008000 !important; } /* Green for phone */
.hutbephot-social-mail:hover { background-color: #EA4335 !important; }
.hutbephot-social-tiktok:hover { background-color: #000000 !important; }

.hutbephot-footer-social svg {
    width: 20px;
    height: 20px;
}
.hutbephot-zalo-icon {
    font-weight: 700;
    font-size: 13px;
    padding: 0 15px !important;
}

/* Tiêu đề Cột 2, 3, 4 */
.hutbephot-footer-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}
.hutbephot-footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: #008000; /* Green primary color */
    border-radius: 2px;
}

/* Danh sách Links */
.hutbephot-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hutbephot-footer-links li {
    margin-bottom: 15px;
}
.hutbephot-footer-links a {
    color: #b3b3b3;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}
.hutbephot-footer-links a::before {
    content: '›';
    margin-right: 8px;
    color: #008000;
    font-size: 18px;
    transition: transform 0.3s ease;
}
.hutbephot-footer-links a:hover {
    color: #fff;
}
.hutbephot-footer-links a:hover::before {
    transform: translateX(3px);
}

/* Thông tin liên hệ (Cột 4) */
.hutbephot-footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hutbephot-footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
    color: #b3b3b3;
    font-size: 15px;
    line-height: 1.5;
}
.hutbephot-footer-contact li svg {
    width: 20px;
    height: 20px;
    color: #008000;
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}
.hutbephot-footer-contact li strong {
    color: #fff;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 991px) {
    .hutbephot-footer-col {
        flex: 1 1 40%;
    }
    .hutbephot-footer-grid {
        gap: 30px;
    }
}
@media (max-width: 550px) {
    .hutbephot-footer-col {
        flex: 1 1 100%;
    }
    .hutbephot-footer-grid {
        gap: 40px;
    }
    .hutbephot-footer-wrapper {
        padding: 40px 15px 20px;
    }
}