#footer {
    width: 100%;
    height: auto;
    background-color: var(--bg-color);
}

#footer .footer-content {
    width: 90%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    justify-items: center;
}

#footer .footer-content .footer-info {
    width: 100%;
    height: 32rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    row-gap: 3rem;
}

#footer .footer-content .footer-info img {
    width: 20rem;
}

#footer .footer-content .footer-info p {
    font-size: 1.5rem;
    color: #fff;
    text-align: center;
}

#footer .footer-content .footer-service,
#footer .footer-content .footer-corporate,
#footer .footer-content .footer-contact {
    width: 100%;
    height: 32rem;
    padding: 1rem;
}

#footer .footer-content .footer-service h3,
#footer .footer-content .footer-corporate h3,
#footer .footer-content .footer-contact h3 {
    width: 100%;
    font-size: 2rem;
    padding-bottom: 1rem;
    border-bottom: 0.2rem solid #fff;
    color: #fff;
}

#footer .footer-content .footer-service nav,
#footer .footer-content .footer-corporate nav,
#footer .footer-content .footer-contact nav {
    width: 100%;
    height: auto;
    margin-top: 1rem;
}

#footer .footer-content .footer-service nav ul,
#footer .footer-content .footer-corporate nav ul,
#footer .footer-content .footer-contact nav ul {
    display: flex;
    flex-direction: column;
    row-gap: 1rem;
}

#footer .footer-content .footer-service nav ul li,
#footer .footer-content .footer-corporate nav ul li,
#footer .footer-content .footer-contact nav ul li {
    display: flex;
    font-size: 1.4rem;
}

#footer .footer-content .footer-service nav ul li a,
#footer .footer-content .footer-corporate nav ul li a,
#footer .footer-content .footer-contact nav ul li a {
    position: relative;
    cursor: pointer;
    color: #fff;
}

#footer .footer-content .footer-service nav ul li a::before,
#footer .footer-content .footer-corporate nav ul li a::before,
#footer .footer-content .footer-contact nav ul li a::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0.1rem;
    top: 100%;
    left: 0;
    background-color: #fff;
    transition: .2s ease;
}

#footer .footer-content .footer-service nav ul li a:hover::before,
#footer .footer-content .footer-corporate nav ul li a:hover::before,
#footer .footer-content .footer-contact nav ul li a:hover::before {
    width: 100%;
}

#footer .copyrght {
    width: 100%;
}

#footer .copyrght p {
    padding: 0.5rem 0;
    font-size: 1.2rem;
    text-align: center;
    color: #fff;
    border-top: 0.1rem solid #ccc;
}

/* Responsive Design */
@media screen and (max-width: 1440px) {
    #footer .footer-content {
        width: 95%;
    }
    
    #footer .footer-content .ftr {
        width: 25rem;
    }
}

@media screen and (max-width: 1200px) {
    #footer .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }

    #footer .footer-content .footer-info,
    #footer .footer-content .footer-service,
    #footer .footer-content .footer-corporate,
    #footer .footer-content .footer-contact {
        width: 100%;
    }
}

@media screen and (max-width: 992px) {
    #footer .footer-content .footer-info,
    #footer .footer-content .footer-service,
    #footer .footer-content .footer-corporate,
    #footer .footer-content .footer-contact {
        height: auto;
        padding: 2rem 1rem;
    }
}

@media screen and (max-width: 768px) {
    #footer .footer-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    #footer .footer-content .footer-info img {
        width: 80%;
        margin: 0 auto;
    }

    #footer .footer-content .footer-service h3,
    #footer .footer-content .footer-corporate h3,
    #footer .footer-content .footer-contact h3 {
        font-size: 1.8rem;
    }

    #footer .footer-content .footer-service nav ul li,
    #footer .footer-content .footer-corporate nav ul li,
    #footer .footer-content .footer-contact nav ul li {
        font-size: 1.3rem;
    }
}

@media screen and (max-width: 480px) {
    #footer .footer-content .footer-info p {
        font-size: 1.3rem;
    }

    #footer .footer-content .footer-service h3,
    #footer .footer-content .footer-corporate h3,
    #footer .footer-content .footer-contact h3 {
        font-size: 1.6rem;
    }

    #footer .footer-content .footer-service nav ul li,
    #footer .footer-content .footer-corporate nav ul li,
    #footer .footer-content .footer-contact nav ul li {
        font-size: 1.2rem;
    }

    #footer .copyrght p {
        font-size: 1rem;
    }
}