@charset "UTF-8";

/* 리셋 CSS */
*{margin: 0; padding: 0; box-sizing: border-box;}
ul{list-style: none;}
img{vertical-align: top; border: 0;}
a{text-decoration: none; color: inherit;}

body{
    color: #1A1A1A;
    font-family: "Noto Sans KR", sans-serif;
}

/* 헤더 */
/* 헤더 */
header{
    width: 100%;
    height: 100px;
    background-color: white;
    transition: height 0.3s ease;
    position: absolute;
    top:0;
    left: 0;
    z-index: 9999; /* ★수정: 숫자를 높여서 무조건 맨 위에 뜨게 함 */
}

header.active{
    height: 320px;
    /* 메뉴 내려올 때 그림자 효과 추가 (선택) */
    box-shadow: 0 5px 10px rgba(0,0,0,0.05);
}

header .header-wrap{
    width: 1620px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10000;
}

/* 헤더: 로고 */
header .header-wrap .logo{
    width: 80px;
    height: 80px;
    position: absolute;
    top:50%;
    left:0;
    transform: translateY(-50%);
}

header .header-wrap .logo img{
    width: 100%;
    height: 100%;
}

/* 헤더: gnb */
header .header-wrap .gnb{
    display: flex;
    justify-content: center;
}

header .header-wrap .gnb>li{
    position: relative;
}

header .header-wrap .gnb>li>a{
    display: block;
    font-size: 18px;
    text-align: center;
    width: 120px;
    height: 100px;
    line-height: 100px;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    transition: all 0.3s;
}

header .header-wrap .gnb>li:hover>a{
    color: #055C4D;
    border-bottom: 2px solid #055C4D;
}

header .header-wrap .gnb>li>a.active{
    width: 150px;
}

/* ★수정: 서브메뉴 스타일 보완 */
header .header-wrap .gnb>li .sub{
    overflow: hidden;
    height: 0;
    transition: height 0.3s ease;
    position: absolute;
    top:100px;
    left: 0;
    width: 100%; /* 너비 확보 */
    color: #4b4b4b;
    background-color: white; /* ★수정: 배경색 추가 (투명하면 안보임) */
    z-index: 10001; /* ★수정: 헤더보다 더 위에 */
}

header .header-wrap .gnb>li>ul>li:nth-child(1)>a{
    margin-top: 20px;
}

header .header-wrap .gnb>li>ul>li>a{
    display: block;
    text-align: center;
    width: 140px; /* 기존 120px과 맞추는게 좋으나 일단 유지 */
    height: 40px;
    line-height: 40px;
    margin: 0 auto; /* 중앙 정렬 */
}

header .header-wrap .gnb>li>ul>li>a:hover{
    color: #055C4D;
    font-weight: 500;
    transition: all 0.5s;
    /* text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1); */
}

/* 헤더: 버튼 */
header .header-btn{
    position: absolute;
    top:50%;
    right: 0;
    transform: translateY(-50%);
}

header .header-btn button{
    border: none;
    background-color: transparent;
    padding: 10px 15px;
    transition: all 0.3s;
    font-size: 14px;
    color: rgb(85, 85, 85);
}

header .header-btn button:hover{
    background-color: #055C4D;
    color: white;
}

/* 푸터 */
footer{
    background-color: #055C4D;
    color: white;
    padding: 50px 0;
}

footer .footer-wrap{
    width: 1460px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

/* 푸터:좌측 */
footer .footer-wrap .footer-left .logo img{
    width: 80%;
}

/* 푸터: 우측 */
footer .footer-wrap .footer-right .footer-menu{
    width: 600px;
    display: flex;
    flex-wrap: wrap;
    font-size: 14px;
    margin-top: 15px;
}

footer .footer-wrap .footer-right .footer-menu li{
    padding: 0px 20px;
    margin-bottom: 5px;
}

footer .footer-wrap .footer-right .footer-menu li:nth-child(2){
    border-left: 1px solid white;
    border-right: 1px solid white;
}

footer .footer-wrap .footer-right .footer-menu li:nth-child(3),
footer .footer-wrap .footer-right .footer-menu li:nth-child(5),
footer .footer-wrap .footer-right .footer-menu li:nth-child(7){
    padding-right: 0px;
}

footer .footer-wrap .footer-right .footer-menu li:nth-child(4){
    border-right: 1px solid white;
}

footer .footer-wrap .footer-right .footer-menu li:nth-child(6){
    border-right: 1px solid white;
}

footer .footer-wrap .footer-right .footer-menu li:nth-child(6),
footer .footer-wrap .footer-right .footer-menu li:nth-child(7){
    margin-top: 20px;
}

footer .footer-wrap .footer-right .copyright{
    padding-left: 20px;
    opacity: 0.5;
    margin-top: 10px;
    font-weight: 300;
    font-size: 12px;
}