:root {
    --color-highlight: #4850F0;

    --color-black: #101010;
    --color-gray: #909090;
    --color-white:#ffffff;

    --color-line: #F0F0F0;
    --color-background: #FAFAFA;

    --gap-section: 120px;

    --gap-xl: 80px;
    --gap-l: 60px;
    --gap-m: 40px;
    --gap-s: 20px;
    --gap-xs: 16px;

    --font-title-1: 48px;
    --font-title-2: 40px;
    --font-title-3: 32px;

    --font-l: 24px;
    --font-m: 20px;
    --font-s: 16px;

    --box-shadow: 0px 2px 24px #1010100D;
}

/* ---------------- 공통 영역 ---------------- */

::selection {
    background-color: var(--color-highlight);
    color: var(--color-white);
}

* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    min-width: 360px;
    max-width: 100vw;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

ul {
    list-style:none;
}

li {
    float: left;
}

section{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--gap-section);
    padding-bottom: var(--gap-section);
}

.section-wrapper{
    max-width: 1320px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-left: var(--gap-s);
    padding-right: var(--gap-s);
}

.section-tag{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 800;
    color: var(--color-highlight);
}

.section-title{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-title-2);
    font-weight: 800;
    color: var(--color-black);
    text-align: center;
    margin-top: var(--gap-s);
}

.section-title > br{
    display: none;
}

.section-title > span{
    color: var(--color-highlight);
}

.section-desc{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 500;
    color: var(--color-black);
    text-align: center;
    line-height: 150%;
    word-break: keep-all;
    margin-top: var(--gap-m);
}

/* ---------------- 헤더 영역 ---------------- */

header{
    min-width: 360px;
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #ffffff40;
    transition: 0.2s;
    z-index: 10;
}

.header-wrapper{
    max-width: 1320px;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: var(--gap-s);
    padding-right: var(--gap-s);
}

.header-wrapper > img{
    height: 32px;
    cursor: pointer;
}

.header-wrapper > nav > ul > li > a {
    font-family: 'Pretendard Variable', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-white);
    margin-left: var(--gap-m);
    padding: var(--gap-s) 0px; 
}

.sticky{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-line);
}

.sticky > .header-wrapper > img{
    content: url("./img/logo_bk.png");
}

.sticky > .header-wrapper > nav > ul > li > a {
    color: var(--color-gray);
}

/* ---------------- 배너 영역 ---------------- */

#banner{
    background-image: url(img/background.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    margin-top: -80px;
}

#banner > .section-wrapper{
    justify-content: center;
    align-items: flex-start;
    margin-top: 80px;
}

h1{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-title-1);
    font-weight: 500;
    color: var(--color-white);
    line-height: 150%;
    word-break: keep-all;
}

h1 > span{
    font-weight: 800;
    background-color: var(--color-highlight);
}

.banner-desc-wrapper{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    margin-top: var(--gap-xl);
}

.banner-desc > h2{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    font-weight: 500;
    color: var(--color-white);
    line-height: 150%;
    word-break: keep-all;
}

.btn-wrapper{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: var(--gap-l);
}

.btn-wrapper > a{
    padding: 16px 24px;
    border: 1px solid var(--color-white);
    border-radius: 40px;
    transition: 0.2s;
}

a.btn-hover, .btn-wrapper > a:hover{
    border: 1px solid var(--color-highlight);
    background-color: var(--color-highlight);
}

a.btn-hover:hover{
    opacity: 0.8;
}

.btn-wrapper > a:nth-of-type(1){
    margin-right: var(--gap-s);
}

.btn-wrapper > a > div{
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-wrapper > a > div > img{
    width: 22px;
    height: 22px;
    object-fit: contain;
    margin-right: 8px;
}

.btn-wrapper > a > div > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 800;
    color: var(--color-white);
}

/* ---------------- DIFFERENT 영역 ---------------- */

.different-desc-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-xl);
}

.different-desc{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    width: 100%;
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-line);
    box-shadow: var(--box-shadow);
}

.different-desc > div{
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-white);
    padding: var(--gap-s);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    background-color: var(--color-highlight);
}

.different-desc > p{
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 500;
    line-height: 150%;
    color: var(--color-black);
    padding: var(--gap-s);
    word-break: keep-all;
}

.different-img-wrapper{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-s);
}

.different-img-wrapper > img{
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* ---------------- INNOVATIVE 영역 ---------------- */

#innovative{
    background-color: var(--color-background);
}

.innovative-img-wrapper{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-xl);
}

.innovative-img-wrapper > img{
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* ---------------- PERFECT 영역 ---------------- */

.perfect-desc-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-xl);
}

.perfect-desc{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    width: 100%;
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-line);
    box-shadow: var(--box-shadow);
}

.perfect-desc > div{
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-white);
    padding: var(--gap-s);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    background-color: var(--color-highlight);
}

.perfect-desc > p{
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 500;
    line-height: 150%;
    color: var(--color-black);
    padding: var(--gap-s);
    word-break: keep-all;
}

.perfect-img-wrapper{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-s);
}

.perfect-img-wrapper > img{
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* ---------------- TEAM 영역 ---------------- */

#team{
    background-color: var(--color-background);
}

.team-img-wrapper{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-s);
    margin-top: var(--gap-xl);
}

.team-img-wrapper > img{
    width: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* ---------------- PORTFOLIO 영역 ---------------- */

.swiper{
    width: 100%;
    margin-top: var(--gap-xl);
}

.swiper-wrapper{
    width: 100%;
}

.swiper-slide{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
}

.portfolio-index, .portfolio-item{
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-line);
    padding: 12px 0;
} 

.portfolio-index > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 800;
    color: var(--color-highlight);
}

.portfolio-item > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-black);
}

.portfolio-item > p:nth-of-type(1){
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    height: 1.1em;
    word-wrap: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
}

.portfolio-item > p:nth-of-type(2){
    min-width: 54px;
    text-align: right;
    margin-left: var(--gap-s);
}

.swiper-pagination{
    position: relative;
    bottom: 0;
    top: 0;
    left: 0;
    margin-top: var(--gap-xl);
}

.swiper-pagination-bullet {
    width: var(--gap-s);
    height: var(--gap-s);
    background: var(--color-gray);
}

.swiper-pagination-bullet-active {
    background: var(--color-highlight);
}

/* ---------------- CONTACT 영역 ---------------- */

#contact{
    background-color: var(--color-background);
}

#contact > .section-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--gap-s);
    row-gap: var(--gap-xl);
    align-items: start;
}

.contact-info{
    width: 100%;
}

#contact .section-title{
    text-align: left;
}

#contact .section-desc{
    text-align: left;
    margin-bottom: var(--gap-xl);
}

.contact-info  > div{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: var(--gap-s);
}

.contact-info  > div > img{
    width: 24px;
    height: 24px;
    margin-right: var(--gap-xs);
}

.contact-info  > div > a{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 500;
    color: var(--color-highlight);
}

#form{
    width: 100%;
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-line);
    box-shadow: var(--box-shadow);
    padding: var(--gap-m);
}

.field:not(.field:nth-of-type(6)) {
    margin-bottom: var(--font-l);
}

.field label {
    display: block;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 800;
    color: var(--color-highlight);
    margin-bottom: 12px;
}

.field input {
    display: block;
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-black);
    border-radius: 4px;
    border: 1px solid #D4D4D4;
    padding: var(--gap-s);
    background: none;
}

.field input::placeholder{
    color: var(--color-gray);
}

.field input:focus {
    outline: none;
    border: 1px solid var(--color-highlight);
}

.field:nth-of-type(6){
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.field:nth-of-type(6) label{
    margin-left: 8px;
    margin-bottom: 0;
}

.field input[type="checkbox"]{
    width: 16px;
    height: 16px;
    color: var(--color-highlight);
    accent-color: var(--color-highlight);
    outline: none;
    padding:0;
    border: none;
}

.field input[type="checkbox"]:checked{
    outline: none;
    border: none;
}

.field textarea{
    display: block;
    width: 100%;
    min-height: 144px;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    line-height: 150%;
    border-radius: 4px;
    border: 1px solid #D4D4D4;
    padding: var(--gap-s);
    background: none;
}

.field textarea::placeholder{
    color: var(--color-gray);
}

.field textarea:focus {
    outline: none;
    border: 1px solid var(--color-highlight);
}

#form > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray);
    margin-top: 8px;
    line-height: 150%;
    margin-bottom: var(--gap-m);
    cursor: pointer;
}

input[type="submit"] {
    display: block;
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 800;
    color: var(--color-white);
    border: none;
    border-radius: 40px;
    background-color: var(--color-highlight);
    cursor: pointer;
    padding: 16px 24px;
}

/* ---------------- FOOTER 영역 ---------------- */

footer{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background-color: var(--color-background);
    border-top: 1px solid #e9e9e9;
    padding: var(--gap-l) 0;
}

.footer-wrapper{
    max-width: 1320px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-left: var(--gap-s);
    padding-right: var(--gap-s);
}

.footer-wrapper > img{
    height: 32px;
    cursor: pointer;
    opacity: 0.6;
}

.footer-wrapper > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-gray);
    line-height: 150%;
    margin-top: var(--gap-s);
    word-break: keep-all;
}

.footer-wrapper > p a{
    color: var(--color-gray);
    text-decoration: none;
}

/* ---------------- MODAL 영역 ---------------- */

.modal-background{
    min-width: 360px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    background-color: #101010CC;
    backdrop-filter: blur(8px);
    z-index: 100;
}

.modal{
    max-width: 768px;
    width: 100%;
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-line);
    box-shadow: var(--box-shadow);
    padding: var(--gap-m);
    margin: 0px var(--gap-s);
}

.modal > div{
    overflow-y: scroll;
    height: 640px;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 500;
    color: var(--color-black);
    line-height: 150%;
    word-break: keep-all;
}

.modal > div > span{
    font-weight: 800;
}

.modal > button{
    width: 100%;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    font-weight: 800;
    color: var(--color-white);
    border: none;
    border-radius: 40px;
    background-color: var(--color-highlight);
    cursor: pointer;
    padding: 16px 24px;
    margin-top: var(--gap-s);
}


@media screen and (max-width: 1024px) {
    :root {
        --gap-section: 100px;

        --gap-xl: 72px;
        --gap-l: 54px;
        --gap-m: 36px;
        --gap-s: 18px;
        --gap-xs: 14px;
    
        --font-title-1: 40px;
        --font-title-2: 34px;
        --font-title-3: 28px;
    
        --font-l: 22px;
        --font-m: 19px;
        --font-s: 16px;
    }

    .banner-desc-wrapper{
        grid-template-columns: 1fr;
        margin-top: var(--gap-m);
    }

    .banner-desc {
        margin-bottom: var(--gap-xl);
    }

    .btn-wrapper{
        margin-top: var(--gap-m);
    }

    .different-desc-wrapper, .perfect-desc-wrapper{
        grid-template-columns: 1fr 1fr;
    }
    #contact > .section-wrapper > .contact-info > .section-desc{
        margin-bottom: var(--gap-m);
    }

    #contact > .section-wrapper{
        grid-template-columns: 1fr;
        row-gap: var(--gap-m);
    }
}


@media screen and (max-width: 768px) {
    :root {
        --gap-section: 80px;

        --gap-xl: 64px;
        --gap-l: 48px;
        --gap-m: 32px;
        --gap-s: 16px;
        --gap-xs: 12px;
    
        --font-title-1: 32px;
        --font-title-2: 28px;
        --font-title-3: 24px;
    
        --font-l: 20px;
        --font-m: 18px;
        --font-s: 15px;
    }

    .section-desc > br{
        display: none;
    }

    .btn-wrapper > a > div > p > span{
        display: none;
    }

    .different-desc-wrapper, .perfect-desc-wrapper{
        grid-template-columns: 1fr;
    }

    .different-img-wrapper, .innovative-img-wrapper, .perfect-img-wrapper, .team-img-wrapper{
        grid-template-columns: 1fr;
    }

    .btn-wrapper > a{
        padding: 14px 22px;
    }

    input[type="submit"] {
        padding: 14px 22px;
    }

    .modal > button{
        padding: 14px 22px;
    }

    .modal > div{
        height: 480px;
    }
}

@media screen and (max-width: 576px) {


    .section-title{
        line-height: 150%;
    }

    .section-title > br{
        display: block;
    }

    header{
        height: 96px;
    }

    .header-wrapper{
        flex-direction: column;
        justify-content: center;
    }

    .header-wrapper > img{
        height: 28px;
        margin-bottom: 8px;
    }

    .header-wrapper > nav > ul > li:nth-of-type(1) > a {
        margin-left: 0;
    }

    #banner{
        margin-top: -96px;
    }

    #banner > .section-wrapper{
        margin-top: 96px;
    }

    .footer-wrapper > img{
        height: 28px;
    }

    .modal > div{
        height: 360px;
    }
}