body {
    background-color: white;
    margin: 0;
    padding-top: 100px;
    font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Dotum', sans-serif;

}

ul,
li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;

    box-sizing: border-box;
    padding: 10px 10px;
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
}

.main-menu {
    display: flex;
    gap: 10px;
}

.main-menu>li {
    position: relative;
    display: inline-block;
}

.main-menu a {
    display: inline-block;
    padding: 15px;
    text-decoration: none;
    color: #333;
}

.main-menu img {
    height: 80px;
    width: auto;
    display: block;
    flex: auto;
}


.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: ivory;
    z-index: 10;
    display: none;
    min-width: 150px;
}

.submenu li a:hover {
    background-color: #777;
}

.main-menu li:hover>.submenu {
    display: block;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}


.intro_section {
    display: flex;
    justify-content: center;
    padding: 160px 20px 60px;
}

.bubble_box {
    position: relative;
    width: 90%;
    max-width: 750px;

    background-image: url('./img/indextop.png');
    background-size: 100% 100%;
    background-position: center;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;

    padding: 60px;
    box-sizing: border-box;
    color: white;
}

.text_content {
    width: 100%;
}

.small_text {
    font-size: 18px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.job_title {
    font-size: 26px;
    font-weight: normal;
    margin-bottom: 25px;
}

.main_slogan {
    font-size: 45px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 30px;
}

.kor_text {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
    font-weight: normal;
    opacity: 0.9;
}

.school_info {
    font-size: 13px;
    color: #ddd;
}

.profileimg {
    display: none;
}


.interest_section {
    text-align: center;
    padding-bottom: 100px;
}

.title_box {
    margin-top: 20px;
    margin-bottom: 40px;
}

.title_img {
    width: 350px;
    max-width: 80%;
    height: auto;
}

.folder_container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.folder img {
    width: 180px;
    height: auto;
    cursor: pointer;
    transition: transform 0.3s;
}

.folder img:hover {
    transform: translateY(-10px);
}


.keyword_section {
    background-color: white;
    padding: 60px 20px 100px;
    text-align: center;
}

.keyword_section .title_box {
    margin-bottom: 50px;
}

.keyword_container {
    display: flex;
    justify-content: center;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.keyword_item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 250px;
}

.color_circle {
    width: 150px;
    height: 150px;
}

.circle_y {
    background-color: #F4C45E;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 25px;
    cursor: pointer;
    transition: transform 0.3s;
}

.circle_b {
    background-color: #70B2E3;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 25px;
    cursor: pointer;
    transition: transform 0.3s;
}

.circle_g {
    background-color: #C4C4C4;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 25px;
    cursor: pointer;
    transition: transform 0.3s;
}


.keyword_item:hover {
    transform: translateY(-10px);
}

.keyword_title {
    font-size: 28px;
    color: #222;
    margin-bottom: 10px;
    font-weight: normal;
}

.keyword_desc {
    font-size: 14px;
    color: #444;
    line-height: 1.5;
    font-weight: lighter;
}

.toolskill_section {
    padding: 60px 20px 120px;
    background-color: white;
    text-align: center;
}

.section_title_text {
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 50px;
    color: #333;
    font-family: sans-serif;
}

.skills_container {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.skill_icon {
    width: 60px;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
}

.skill_icon img {
    width: 50px;
    height: auto;
    display: block;
}

.progress_track {
    flex-grow: 1;
    height: 20px;
    background-color: #eee;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress_fill {
    height: 100%;
    background-color: #70B2E3;
    border-radius: 10px;
    transition: width 1s ease-in-out;
}


.poster,
.photo,
.app {
    background: none;
    border: none;
    cursor: pointer;
    padding: 160px 20px 60px;
    display: block;
    margin: 0 auto;
}

.poster img {
    height: 300px;
    width: auto;
    display: block;
}

.photo img {
    height: 200px;
    width: auto;
    display: block;
    margin: 0 auto;
}

.app img {
    height: 300px;
    width: auto;
    display: block;
    margin: 0 auto;
}

.posters,
.photos,
.apps {
    display: none;
    list-style: none;
    padding: 20px;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    text-align: center;
}

.posters.active,
.photos.active,
.apps.active {
    display: flex;
}

.posters li img {
    height: 500px;
    width: auto;
    object-fit: cover;
}

.photos li {
    display: flex;
    align-items: center;
    justify-content: center;
}

.photos li img {
    max-width: 50%;
    height: auto;
    display: block;
}

.photo1 {
    width: 100%;
}

.photo1 img {
    max-width: 100px;
}

.photo2,
.photo3 {
    width: calc(50% - 10px);
}

.photo2 img,
.photo3 img {
    height: 200px;
    width: auto;
}


.service_section {
    padding: 150px 20px 100px;
    background-color: white;
    text-align: center;
}

.service {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.service li img {
    border-radius: 20px;
    height: 300px;
    width: auto;
    display: block;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.service li img:hover {
    transform: translateY(-10px);
}


.contact_page_section {
    padding: 250px 20px 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
    text-align: center;
    box-sizing: border-box;
}

.contact_box {
    max-width: 600px;
    width: 100%;
    margin-top: -50px;
}

.big_icon {
    width: 300px;
    height: auto;
    margin-bottom: 20px;
}

.page_title {
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
}

.page_desc {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 50px;
}

.contact_info,
.contact_links {
    margin-bottom: 40px;
}

.info_label {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
    font-weight: bold;
}

.email_link {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.email_link:hover {
    color: #70B2E3;
    border-bottom: 2px solid #70B2E3;
}

.link_buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social_btn {
    padding: 12px 30px;
    border: 1px solid #ddd;
    border-radius: 30px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: all 0.3s;
}

.social_btn:hover {
    background-color: #333;
    color: white;
    border-color: #333;
}


.footer_section {
    background-color: #ececec;
    padding: 60px 40px;
    margin-top: 100px;
}

.footer_container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}

.footer_left {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer_profile img {
    width: 200px;
    height: auto;
    display: block;
    margin-bottom: 10px;
}

.footer_name {
    font-size: 32px;
    font-weight: bold;
    color: black;
    margin: 0;
}

.footer_link_small {
    font-size: 16px;
    color: #333;
    text-decoration: none;
}

.footer_center {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}

.footer_title {
    font-size: 28px;
    font-weight: bold;
    margin: 0;
    color: black;
}

.footer_nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer_nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s;
}



.footer_right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.footer_right img {
    height: 100px;
    width: auto;
}






@media (max-width: 790px) {

    .main-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background-color: #fff;
        text-align: center;
        border-bottom: 2px solid #ddd;
    }

    .main-menu.active {
        display: flex;
    }

    .main-menu>li {
        display: block;
        background-color: white;
        width: 100%;
        border-top: 1px solid #eee;
    }

    .main-menu a {
        padding: 15px;
        display: block;
    }

    .main-menu img {
        margin: 0 auto;
        flex: none;
        display: block;
        height: 60px;
        width: auto;
    }

    .submenu {
        position: static;
        width: 100%;
        background-color: #f9f9f9;
        display: block;
        box-shadow: none;
        border: none;
    }

    .submenu li a {
        display: block;
        padding: 20px 0;
        width: 100%;
        color: #333;
        cursor: pointer;
        position: relative;
    }

    .hamburger {
        display: block;
    }

    .hamburger img {
        height: 35px;
        width: auto;
        display: block;
    }


    .bubble_box {
        width: 95%;
        padding: 30px;

        background-image: none;
        background-color: white;

        aspect-ratio: auto;
    }

    .profileimg {
        display: block;
        width: 100%;
        text-align: center;
        margin-bottom: 20px;
    }

    .profileimg img {
        width: 180px;
        height: auto;
        display: inline-block;
    }

    .main_slogan {
        font-size: 28px;
        margin-bottom: 15px;
        color: #70B2E3;
    }

    .job_title {
        font-size: 18px;
        margin-bottom: 10px;
        color: #333;
    }

    .small_text {
        font-size: 14px;
        color: #333;
    }

    .kor_text {
        font-size: 12px;
        line-height: 1.4;
        margin-bottom: 15px;
        color: #333;
    }

    .school_info {
        font-size: 11px;
        color: #666;
    }


    .folder_container {
        gap: 15px;
    }

    .folder img {
        width: 110px;
    }


    .section_title_text {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .keyword_container {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .keyword_item {
        width: 100%;
        max-width: 300px;
    }

    .skill_item {
        gap: 15px;
    }

    .skill_icon img {
        width: 40px;
    }

    .progress_track {
        height: 15px;
    }

    .footer_right img {
        height: 50px;
        width: auto;
        margin-top: 20px;
    }

    .posters li img {
        width: 250px;
        height: auto;
    }
}