/****************************************************
*                        헤더                        *
****************************************************/
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
    --header-height: calc(2.2rem * 2 + 3.2rem + 0.4rem);
    background: transparent;
    transition: background 0.5s ease, transform 0.3s ease;
    transform: translateY(0);
}

/* 헤더 숨김 */
#header.header_hidden {
    transform: translateY(-100%);
}

/* 스크롤 시, 서브페이지 헤더 스타일 */
#header.scrolled,
#header.sub {
    background: #fff;
}

#header.scrolled .header_inner,
#header.sub.scrolled .header_inner{
    padding: 1.8rem 2rem;
}

#header.scrolled .gnb_link,
#header.sub .gnb_link {
    color: #111;
}

#header.scrolled .logo_img:first-child,
#header.sub .logo_img:first-child {
    display: none;
}

#header.scrolled .logo_img.active,
#header.sub .logo_img.active {
    display: block;
}

#header.scrolled .logo_sub,
#header.sub .logo_sub {
    color: #666;
}

#header.scrolled .util_btn,
#header.sub .util_btn {
    background: rgba(0, 0, 0, 0.05);
    color: #111;
}

#header.scrolled .menu_line,
#header.sub .menu_line{
    background: #111;
}

/* 메가메뉴 열릴 때 헤더 배경 변경 */
#header.mega_open {
    background: #fff;
}

#header.mega_open .gnb_link {
    color: #111;
}

#header.mega_open .logo_img:first-child {
    display: none;
}

#header.mega_open .logo_img.active {
    display: block;
}

#header.mega_open .util_btn {
    background: rgba(0, 0, 0, 0.05);
    color: #111;
}

/* 전체 메뉴 열렸을 때 헤더 스타일 */
#header.menu_open {
    background: var(--main_color);
    z-index: 2001;
}

#header.menu_open .gnb {
    display: none;
}

#header.menu_open .lang_wrapper {
    display: none;
}

#header.menu_open .menu_btn {
    background: var(--white);
}

#header.menu_open .logo_img:first-child {
    display: block;
}

#header.menu_open .logo_img.active {
    display: none;
}

#header.menu_open .logo_sub {
    color: var(--white);
}

#header.menu_open .close_btn {
    display: flex;
}

#header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: transparent;
}

#header .header_inner {
    position: relative;
    max-width: 145rem;
    margin: 0 auto;
    padding: 2.2rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 9999;
    transition: padding 0.5s ease;
}

/* 로고 */
#header .logo {
    margin: 0;
    padding: 0;
}

#header .logo a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: #111;
}

#header .logo_img {
    width: clamp(10rem,6.77vw,13rem);
    display: block;
}

#header .logo_img.active {
    display: none;
}

#header .logo_sub {
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.4;
    color: #666;
    margin-top: 0.4rem;
}

/* GNB */
#header .gnb {
    flex: 1;
    display: flex;
    justify-content: center;
}

#header .gnb_list {
    display: flex;
    align-items: center;
    gap: min(2.08vw,4rem);
    transition: gap 0.5s ease;
}

#header.mega_open .gnb_list{
    gap: min(2.6vw,5rem);
}

#header .gnb_item {
    position: relative;
}

#header .gnb_link {
    display: block;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--white);
    padding: 1rem 0;
    white-space: nowrap;
    transition: color 0.5s ease;
}

/* 메가메뉴 */
#header .mega_menu {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    background: #fff;
    border-top: 1px solid #e5e5e5;
    padding: 0;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease, max-height 0.5s ease, padding 0.5s ease;
    z-index: 1000;
    pointer-events: none;
    transform-origin: top center;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
}

#header.mega_open .mega_menu,
#header .mega_menu:hover {
    opacity: 1;
    visibility: visible;
    max-height: 100vh;
    padding: 4rem 0 8rem;
    pointer-events: auto;
}


#header .mega_menu_inner {
    position: relative;
    z-index: 1;
    max-width: 121rem;
    padding: 0 2rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: min(1.56vw, 3rem);
}

#header .mega_menu_list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-right: 1px solid #e5e5e5;
}

#header .mega_menu_list:last-child {
    border-right: none;
}

#header .gnb_item:last-child .mega_menu_list {
    border-right: none;
}

#header .mega_menu_list a {
    display: inline-block;
    font-family: 'Pretendard', sans-serif;
    font-size: clamp(1.3rem,0.78vw,1.5rem);
    font-weight: 500;
    color: #545454;
    transition: all 0.5s ease;
    position: relative;
}

#header .mega_menu_list a:hover,
#header .mega_menu_list a.active {
    font-weight: 600;
    color: #111;
}

#header .mega_menu_list a:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0.15rem;
    background: var(--main_color);
    bottom: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.5s;
}


#header .mega_menu_list a:hover:before,
#header .mega_menu_list a.active:before {
    transform: scaleX(1);
}

#header .mega_menu_title {
    font-size: clamp(1.6rem,0.94vw,1.8rem);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* 헤더 유틸리티 */
#header .header_util {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#header .util_btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: clamp(0.8rem,0.47vw,0.9rem) clamp(1.2rem,0.78vw,1.5rem);
    height: clamp(3.4rem, 1.98vw, 3.8rem);
    background: rgba(255,255,255,0.12);
    border-radius: clamp(0.5rem,0.52vw,1rem);
    font-size: 1.3rem;
    color: var(--white);
    transition: background 0.5s ease, color 0.5s ease;
}
#header .util_btn.lang_btn span {
    margin-right: clamp(0.5rem,0.52vw,1rem);
}

#header .util_btn i {
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}
#header .util_btn i.fa-chevron-down{
    font-size: clamp(0.9rem,0.73vw,1.4rem);
}

/* 언어 드롭다운 */
#header .lang_wrapper {
    position: relative;
}

#header .lang_wrapper.active .lang_btn .fa-chevron-down {
    transform: rotate(180deg);
}

#header .lang_dropdown {
    position: absolute;
    top: calc(100% + 0.8rem);
    left: 0;
    width: 100%;
    background: #f7f7f7;
    border-radius: clamp(0.5rem,0.52vw,1rem);
    padding: 0.8rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-1rem);
    transition: opacity 0.5s ease, visibility 0.5s ease, transform 0.5s ease;
    z-index: 1001;
}

#header .lang_wrapper.active .lang_dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#header .lang_dropdown li {
    margin: 0;
}

#header .lang_dropdown a {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 1.3rem;
    color: var(--main_color);
    transition: background 0.5s ease, color 0.5s ease;
}

#header .lang_dropdown a:hover {
    opacity: 0.5;
}

#header .util_btn.menu_btn {
    padding: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#header .util_btn.close_btn {
    padding: 0;
    width: 4rem;
    height: 4rem;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 1rem;
}

#header .util_btn.close_btn:hover {
    opacity: 0.8;
}

#header .util_btn.close_btn .close_icon {
    position: relative;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#header .util_btn.close_btn .close_line {
    position: absolute;
    width: 60%;
    height: 0.2rem;
    background: var(--main_color);
    border-radius: 0.1rem;
    transition: all 0.5s ease;
    transform-origin: center;
}

#header .util_btn.close_btn .close_line:nth-child(1) {
    transform: rotate(45deg);
}

#header .util_btn.close_btn .close_line:nth-child(2) {
    transform: rotate(-45deg);
}

#header .menu_icon {
    position: relative;
    padding: 0.4rem 0.3rem;
    width: 2.2rem;
    height: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* gap: 0.4rem; */
}

#header .menu_line {
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.5s ease;
    margin-bottom: 0.4rem;
}
#header .menu_line:nth-child(3) {
    margin-bottom: 0;
}
#header.mega_open .menu_line,
#header.menu_open .menu_line{
    background: var(--main_color);
    height: 2px;
}

/* 전체 메뉴 열림 상태 - X자로 변환 */
#header.menu_open .menu_line:nth-child(1) {
    transform: translateY(0.55rem) rotate(45deg);
}

#header.menu_open .menu_line:nth-child(2) {
    display: none;
}

#header.menu_open .menu_line:nth-child(3) {
    transform: translateY(-0.65rem) rotate(-45deg);
}

/****************************************************
*                     전체 메뉴                      *
****************************************************/
.all_menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    overflow-y: auto;
    padding-top: var(--header-height);
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.9);
}

.all_menu.active {
    opacity: 1;
    visibility: visible;
}

.all_menu_content {
    max-width: 145rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.all_menu_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5rem;
    background: var(--white);
    border-radius: 2rem;
    padding: 5rem clamp(2rem,2.6vw,5rem);
}

.all_menu_section {
    padding-bottom: 5rem;
    position: relative;
}

.all_menu_section:before{
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #e5e5e5;
}
.all_menu_section::after{
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #111;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.5s;
}
.all_menu_section:hover::after,
.all_menu_section.active::after{
    transform: scaleX(1);
}

.all_menu_section:nth-child(5),
.all_menu_section:nth-child(6) {
    border-bottom: none;
}

.all_menu_title_btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    padding-bottom: 3rem;
    cursor: pointer;
    text-align: left;
}
.all_menu_title {
    font-size: clamp(2rem,1.15vw,2.2rem);
    font-weight: 600;
    margin: 0;
    padding: 0;
}

.all_menu_list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: clamp(1rem,1.04vw,2rem);
}

.all_menu_list li {
    margin: 0;
}

.all_menu_list a {
    display: inline-block;
    font-size: 1.6rem;
    font-weight: 500;
    color: #545454;
    transition: color 0.5s ease, font-weight 0.5s ease;
    position: relative;
}

.all_menu_list a:hover {
    font-weight: 800;
    color: #111;
}

.all_menu_list a.active {
    font-weight: 800;
    color: var(--main_color);
}

.all_menu_list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.2rem;
    width: 100%;
    height: 0.2rem;
    background: #111;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.5s;
}
.all_menu_list a:hover::after,
.all_menu_list a.active::after  {
    transform: scaleX(1);
}

.all_menu_list a .mo {
    display: none;
}

/****************************************************
*                        푸터                        *
****************************************************/
#footer .top_button_wrapper{
    margin-bottom: clamp(5rem,5.21vw,10rem);
    overflow: hidden;
}

.top_button {
    position: relative;
    display: flex;
    align-items: center;
    margin: auto;
    width: 9.4rem;
    height: 3.4rem;
    padding: 0 4.2rem 0 2rem;
    border: none;
    border-radius: 999px;
    background: #26539C;
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 300;
    letter-spacing: -0.001em;
    font-family: 'Ubuntu';
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    transform: translateY(100%);
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease, transform 0.5s ease;
}

.top_button.is-visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.top_button_text {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.top_button_icon {
    position: absolute;
    right: -0.2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 50%;
    background: #F37021;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border: 3px solid var(--white);
    box-sizing: content-box;
}

.top_button_icon i {
    font-size: 1rem;
}

.top_button:hover {
    opacity: 0.9;
}

#footer .footer_wrapper{
    background: var(--main_color);
    color: var(--white);
    padding: clamp(5rem,3.13vw,6rem) 0 clamp(8rem,6.25vw,12rem);
    border-radius: clamp(3rem,2.6vw,5rem) clamp(3rem,2.6vw,5rem) 0 0;
}

#footer .footer_inner {
    max-width: 145rem;
    margin: 0 auto;
    padding: 0 2rem;
}

#footer .footer_content {
    display: flex;
    justify-content: space-between;
    padding-bottom: clamp(5rem,4.17vw,8rem);
    margin-bottom: clamp(3rem,2.6vw,5rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 푸터 왼쪽 영역 (로고 + 패밀리사이트) */
#footer .footer_left {
    width: 12.553%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex-shrink: 0;
}

/* 모바일용 패밀리사이트 버튼 (기본 숨김) */
#footer .footer_family_mobile {
    display: none;
}

/* 푸터 우측 영역 (정보들) */
#footer .footer_right {
    min-width: 69.148%;
    display: grid;
    grid-template-columns: repeat(3, max-content);
    justify-content: space-between;
    gap:2rem;
}

#footer .footer_logo {
    margin: 0;
    padding: 0;
}

#footer .footer_logo_main {
    font-size: clamp(2.2rem,1.35vw,2.6rem);
    font-weight: 600;
    color: #848484;
    line-height: 1.15;
}

/* FAMILY SITE 버튼 */
#footer .footer_family_btn_wrapper {
    position: relative;
}

#footer .footer_family_btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.4rem 2.2rem;
    background: #242424;
    border-radius: 1rem;
    letter-spacing: -0.001em;
    color: #a4a4a4;
    font-size: 1.4rem;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 16rem;
    max-width: 20rem;
}

#footer .footer_family_btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

#footer .footer_family_btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

#footer .footer_family_btn.active i {
    transform: rotate(180deg);
}

/* FAMILY SITE 드롭다운 */
#footer .footer_family_list {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 1rem;
    background: #242424;
    border-radius: 1rem;
    width: 16rem;
    max-width: 20rem;
    position: absolute;
    top: 100%;
    left: 0;
}

#footer .footer_family_btn.active + .footer_family_list {
    display: flex;
}

#footer .footer_family_list li a {
    display: block;
    padding: 0.8rem 1rem;
    color: #a4a4a4;
    font-size: 1.3rem;
    transition: color 0.5s ease;
}

#footer .footer_family_list li a:hover {
    color: var(--white);
}

/* 푸터 주소 */
#footer .footer_col_address {
    display: flex;
    flex-direction: column;
}

#footer .footer_title {
    font-size: 1.5rem;
    font-weight: 500;
    color: #f0f0f0;
    margin: 0 0 1rem 0;
    padding: 0;
}

#footer .footer_title + div p{
    color: #848484;
    font-size: 1.5rem;
    line-height: 1.15;
    letter-spacing: -0.001em;
    font-family: 'Pretendard', sans-serif;
}

#footer .footer_address {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* 푸터 연락처 */
#footer .footer_col_contact {
    display: flex;
    flex-direction: column;
}

#footer .footer_tel {
    margin-bottom: 2rem;
}

/* 푸터 네비게이션 */
#footer .footer_col_nav {
    display: flex;
    flex-direction: column;
}

#footer .footer_nav_list {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 1rem 2rem;
}

#footer .footer_nav_list li a {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    color: #f0f0f0;
    transition: color 0.5s ease;
}

#footer .footer_nav_list li a:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* 푸터 저작권 */
#footer .footer_copyright {
    text-align: left;
}

#footer .footer_copyright p {
    font-size: 1.4rem;
    color: #646464;
    letter-spacing: -0.001em;
}

@media (max-width: 768px) {

    /****************************************************
    *                  전체 메뉴 반응형                    *
    ****************************************************/
    .all_menu {
        padding-top: 0;
    }
    
    .all_menu_content {
        padding: 0;
    }
    
    .all_menu_grid {
        grid-template-columns: 1fr;
        gap: 0;
        background: var(--white);
        padding: 3rem 2rem 5rem;
        margin-top: calc(var(--header-height) + 1rem);
    }
    
    .all_menu_section {
        padding: 0;
        margin-bottom: 0;
        padding: 3rem 0;
        margin-bottom: 0;
    }
    
    .all_menu_section:first-child {
        padding-top: 0;
    }

    .all_menu_section::after {
        opacity: 0;
    }

    .all_menu_title {
        color: #545454;
        transition: color 0.5s ease;
    }

    .all_menu_title_btn{
        padding-bottom: 0;
        transition: padding-bottom 0.5s ease;
    }
    
    .all_menu_title_btn i {
        display: block;
        color: #545454;
    }
    
    .all_menu_section.active::after {
        opacity: 1;
        transform: scaleX(1);
    }

    .all_menu_section.active .all_menu_title_btn {
        padding-bottom: 2rem;
    }

    .all_menu_section.active .all_menu_title {
        color: var(--main_color);
    }
    
    .all_menu_section.active .all_menu_title_btn i {
        color: var(--main_color);
    }

    .all_menu_list {
        /* accordion open motion */
        display: grid;
        max-height: 0;
        overflow: hidden;
        will-change: max-height, opacity, transform;
        transition: max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                    transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
        gap: 1.5rem;
        margin: 0;
        grid-template-columns: repeat(2, 1fr);
        grid-auto-flow: column;
        justify-items: start;
        align-items: start;
    }
    .all_menu_list:has(li:nth-child(3)) {
        grid-template-rows: repeat(3, auto);
      }
    
    .all_menu_section.active .all_menu_list {
        max-height: 40rem; /* 충분히 크게 */
        opacity: 1;
        transition: max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                    transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* list item stagger motion */
    .all_menu_list li {
        opacity: 0;
        transform: translateY(2rem);
        transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        transition-delay: 0s;
                    
    }

    .all_menu_section.active .all_menu_list li {
        opacity: 1;
        transform: translateY(0);
    }

    .all_menu_section.active .all_menu_list li:nth-child(1) { transition-delay: 0.1s; }
    .all_menu_section.active .all_menu_list li:nth-child(2) { transition-delay: 0.2s; }
    .all_menu_section.active .all_menu_list li:nth-child(3) { transition-delay: 0.3s; }
    .all_menu_section.active .all_menu_list li:nth-child(4) { transition-delay: 0.4s; }
    .all_menu_section.active .all_menu_list li:nth-child(5) { transition-delay: 0.5s; }
    .all_menu_section.active .all_menu_list li:nth-child(6) { transition-delay: 0.6s; }

    
    .all_menu_section:first-child.active .all_menu_title_btn i {
        transform: rotate(180deg);
    }

    .all_menu_list a .mo {
        display: inline;
    }
    
    .all_menu_list a.active{
        font-weight: 600;
        color: var(--main_color);
    }

    #header .menu_icon {
        width: 22px;
        height: 20px;
    }
    
    /* 전체 메뉴 열림 상태 - X자로 변환 */
    #header.menu_open .menu_line:nth-child(1) {
        transform: translateY(0.5rem) rotate(45deg);
    }

    #header.menu_open .menu_line:nth-child(3) {
        transform: translateY(-0.45rem) rotate(-45deg);
    }


    /****************************************************
    *                    푸터 반응형                      *
    ****************************************************/
    
    #footer .footer_content {
        flex-direction: column;
        gap: 3rem;
    }
    
    /* 모바일용 패밀리사이트 버튼 표시 */
    #footer .footer_family_btn_wrapper {
        display: block;
        margin-top: 1rem;
    }
    
    #footer .footer_left {
        width: 100%;
        gap: 0;
    }
    
    #footer .footer_right {
        width: 100%;
        grid-template-columns: 1fr;
    }
    
    #footer .footer_logo_main {
        font-size: 2rem;
    }
    
    #footer .footer_family_btn {
        width: 100%;
        max-width: 100%;
    }
    
    #footer .footer_family_list {
        width: 100%;
        max-width: 100%;
        top:auto;
        bottom: calc(100% + 0.5rem);
    }
    
    #footer .footer_nav_list {
        flex-direction: row;
        gap: 1rem 1.5rem;
        display: grid;
        grid-template-columns: repeat(4, max-content);
    }

    #footer .footer_nav_list li:nth-child(n + 5) {
        grid-row: 2;
    }
}