/* 헤더에 가려지지 않도록 스크롤 패딩 추가 */
html {
    scroll-padding-top: 130px;
    /* 헤더 높이(112px) + 여유공간(18px) */
}

#mission {
    padding: 20px;
    background-color: #fff;
    display: flex;
    flex-direction: column;
}

#mission .container {
    width: 100%;
    height: 780px;
    border-radius: 40px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url('../img/about-main-img.jpg');
    background-size: cover;
    background-position: center 60%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 114px;
    text-align: center;
}

.about-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 40px;
}

.about-description {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.6;
}

.subsection-title {
    font-size: 42px;
    font-weight: 700;
    color: #000;
}

.subsection-description {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
    margin-top: 20px;
    margin-bottom: 80px;
    color: #000;
}

.certification-item {
    border-top: 1px solid #ddd;
    color: #000;
    display: flex;
    align-items: flex-start;
}

.certification-details {
    width: 50%;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.certification-title {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
}

.certification-list {
    display: flex;
    align-items: center;
    gap: 20px;
}

.certification-box {
    background-color: #0066FF;
    padding: 6px 10px;
    border-radius: 5px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.Selected-box {
    background-color: #CDFFBC;
    padding: 6px 10px;
    border-radius: 5px;
    color: #000;
    font-size: 14px;
    font-weight: 600;
}

.certification-span {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
}


/* 연혁 */
#certificate,
#history,
#contact {
    background-color: #fff;
    display: flex;
    flex-direction: column;
}

#certificate {
    margin-top: 120px;
    color: #000;
    width: 100%;
    margin-bottom: 179px;
}

#history .container {
    width: 100%;
    margin-bottom: 180px;
}

#history .history-image {
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
    display: block;
}

.history-image-preview {
    width: 100%;
    max-width: 600px;
    height: 300px;
    background-size: cover;
    background-position: center;
    margin-bottom: 20px;
    display: none;
}

.history-timeline {
    display: flex;
    align-items: flex-start;
    width: 100%;
    color: #000;
}

.history-certification {
    color: #000;
    font-weight: 700;
    font-size: 42px;
}

.timeline-list-container {
    width: 100%;
    height: 800px;
    overflow-y: auto;
}

.timeline-img {
    min-width: 400px;
    margin-right: 106px;
    display: flex;
    flex-direction: column;
    gap: 43px;
}

.history-image-preview {
    border-radius: 30px;
    border: 1px solid #ddd;
    width: 400px;
}

.timeline-list {
    height: 120px;
    border-top: 1px solid #ddd;
    width: 100%;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 52px 0 20px;
}

.timeline-list:hover {
    background-color: #f9f9f9;

    .circle {
        background-color: #0066FF;
    }
}

.circle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #eeeeee;
}

.list-box {
    display: flex;
    gap: 60px;
    font-size: 20px;
}

/* 오시는 길 */

.location-details {
    color: #000;
    margin-top: 80px;
    display: flex;
    margin-bottom: 250px;
}

.location-title {
    padding-left: 115px;
    font-size: 42px;
    font-weight: 700;
    width: 50%;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 50%;
}

.location-info div {
    display: flex;
}

.location-info div strong {
    width: 100px;
    font-size: 20px;
}

.location-info div p {
    font-size: 20px;
}

.goggle-map {
    height: 550px;
}

@media (max-width: 1800px) {
    .list-box {
        font-size: 1.5vw;
    }
}

@media (max-width: 1600px) {
    .timeline-img {
        margin-right: 70px;
    }

    .history-image-preview {
        width: 300px;
        height: 250px;
    }

    .timeline-img {
        min-width: 300px;
    }

    .timeline-list {
        padding: 0 30px 0 20px;
    }

    .list-box {
        gap: 30px;
    }
}

@media (max-width: 1200px) {

    .timeline-img {
        margin-right: 0;
    }

    .history-image-preview {
        width: 400px;
        height: 250px;
    }

    .timeline-img {
        min-width: 100%;
    }

    .history-timeline {
        flex-direction: column;
    }

    .list-box {
        font-size: 1.5vw;
    }

    .timeline-list {
        height: 90px;
    }

    .location-title {
        padding-left: 0;
    }

    .location-info div strong {
        font-size: 1.5vw;
        width: 80px;
    }

    .location-info div p {
        font-size: 1.5vw;
    }

    .timeline-list-container {
        margin-top: 20px;
    }

    .certification-span {
        font-size: 1.5vw;
    }
}

@media (max-width: 992px) {

    /* 태블릿에서 헤더 높이 조정 */
    html {
        scroll-padding-top: 100px;
    }

    #certificate {
        margin-top: 80px;
        margin-bottom: 80px;
    }

    #history .container {
        margin-bottom: 80px;
    }

    .location-details {
        margin-bottom: 100px;
    }

    .about-title {
        font-size: 4.0vw;
    }

    .about-description {
        font-size: 2.2vw;
    }

    #mission .container {
        height: 500px;
    }

    .subsection-title {
        font-size: 3.5vw;
    }

    .subsection-description {
        font-size: 1.8vw;
        margin-bottom: 50px;
    }

    .list-box {
        font-size: 1.8vw;
    }

    .location-info div strong {
        font-size: 1.8vw;
        width: 50px;
    }

    .location-info div p {
        font-size: 1.8vw;
    }

    .timeline-list-container {
        margin-top: 20px;
    }

    .certification-span {
        font-size: 1.5vw;
    }

    .certification-title {
        font-size: 2.5vw;
    }

    .Selected-box {
        font-size: 1.5vw;
    }

    .certification-box {
        font-size: 1.5vw;
    }

    .history-certification {
        font-size: 3.5vw;
    }

    .goggle-map {
        height: 400px;
    }
}

@media (max-width: 768px) {

    /* 모바일에서 헤더 높이 조정 */
    html {
        scroll-padding-top: 80px;
    }

    .mobile-submenu li a{
        color: #111;
    }

    #certificate {
        margin-top: 50px;
        margin-bottom: 50px;
    }

    #history .container {
        margin-bottom: 50px;
    }

    #mission .container {
        height: 400px;
    }

    .subsection-title {
        font-size: 3.5vw;
    }

    .subsection-description {
        font-size: 1.8vw;
        margin-bottom: 50px;
    }

    .history-image-preview {
        width: 300px;
        height: 200px;
    }

    .list-box {
        font-size: 2.1vw;
    }

    .location-title {
        font-size: 4.1vw;
    }

    .location-info div strong,
    .location-info div p{
        font-size: 2.1vw;
    }

    .goggle-map {
        height: 300px;
    }
}

@media (max-width: 480px) {

    /* 소형 모바일에서 헤더 높이 조정 */
    html {
        scroll-padding-top: 70px;
    }

    #certificate {
        margin-top: 30px;
        margin-bottom: 30px;
    }

    #history .container {
        margin-bottom: 30px;
    }

    #mission .container {
        margin-top: 70px;
        height: 300px;
        width: 100vw;
        margin-left: -20px;
        border-radius: 0;
    }

    .about-title {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }

    .about-description {
        font-size: 0.9rem;
        padding: 0 10px;
    }

    .subsection-title {
        font-size: 1.4rem;
    }

    .subsection-description {
        font-size: 0.9rem;
        margin-bottom: 30px;
    }

    .certification-item {
        flex-direction: column;
    }

    .certification-title {
        margin-bottom: 10px;
        font-size: 1.2rem;
    }

    .certification-span {
        font-size: 0.8rem;
    }

    .Selected-box {
        font-size: 0.8rem;
    }

    .certification-box {
        font-size: 0.8rem;
    }

    .certification-details {
        width: 100%;
    }

    .certification-details {
        padding: 20px 0;
        gap: 10px;
    }

    .history-image-preview {
        width: 100vw;
        height: 200px;
        margin-left: -20px;
        border-radius: 0;
    }

    .timeline-list {
        height: 60px;
        padding: 0 10px;
    }

    .list-box {
        font-size: 0.7rem;
        gap: 8px;
    }

    .timeline-list-container {
        height: 400px;
    }

    .circle {
        width: 12px;
        height: 12px;
    }

    .location-title {
        font-size: 4.1vw;
    }

    .goggle-map {
        height: 200px;
        width: 100vw;
        margin-left: -20px;
        border-radius: 0;
    }

    .location-info {
        gap: 10px;
    }

    .location-details {
        margin-top: 50px;
    }

    .location-info div strong {
        font-size: 0.7rem;
    }

    .location-info div p {
        font-size: 0.7rem;
    }

    .location-title {
        width: 40%;
    }
}