section {
    margin-bottom: var(--sec-gap);
}
main {
    margin-bottom: 200px;
}
.sec_header {
    margin-bottom: 60px;
}
.sec_header h2 {
    font-size: var(--ft32);
    color: var(--ft-main);
    font-weight: var(--semi-bold);
    text-align: center;
}

/***** work_sec *****/
.work_sec .sec_content {
    background: white;
    border-radius: var(--radius-md);
    padding: 100px;
}
.work_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.work_card {
    min-height: 300px;
    background: var(--bg);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: start;
    /* justify-content: space-between; */
    height: 100%;
    padding: 40px;
}
.work_card .num {
    --size: 46px;
    width: var(--size);
    height: var(--size);
    font-size: var(--ft20);
    font-weight: var(--semi-bold);
    color: var(--ft-main);
    border-radius: var(--radius-sm);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color .4s ease;
    margin-bottom: 60px;
}
.work_card h3 {
    font-size: var(--ft24);
    color: var(--ft-main);
    font-weight: var(--semi-bold);
    margin-bottom: 16px;
}
.work_card p {
    font-size: var(--ft18);
    color: var(--ft-sub);
    font-weight: var(--medium);
}

.work_card:hover .num {
    color: var(--primary);
}


/***** main_sec *****/
section.main_sec {
    margin-bottom: 0;
}

.m_title_ani {
    font-size: 19.5vw;
    text-transform: uppercase;
    color: var(--ft-main);
    font-weight: var(--semi-bold);
    opacity: 0.05;
    display: flex;
    opacity: 0;
}
.m_title_ani span {
    display: inline-block;
    opacity: 0;
    transform: translateY(-20px);
}
.greeting_box {
    width: 50%;
    
    padding-bottom: var(--sec-gap);
}
.greeting_title span,
.greeting_text,
.greeting_sign {
    opacity: 0;
}

.greeting_title {
    font-size: var(--ft64);
    color: var(--ft-main);
    font-weight: var(--semi-bold);
    margin-bottom: var(--con-gap);    
}
.greeting_title span {
    transform: translateY(50px);
    display: inline-block;
}
.greeting_text {
    width: 100%;
    max-width: 560px;
    font-size: var(--ft18);
    color: var(--ft-main);
    font-weight: var(--medium);
    transform: translateX(-50px);
}
.greeting_sign {
    margin-top: 100px;
    transform: translateX(-50px);
}
.greeting_sign p {
    font-size: var(--ft20);
    color: var(--ft-main);
    font-weight: var(--semi-bold);
    margin-bottom: 10px;
}
.greeting_sign strong {
    font-size: var(--ft24);
    color: var(--ft-main);
    font-weight: var(--semi-bold);
}

.ceo_img {
    width: 615px;
    max-width: 40%;
    height: 100vh;
    position: sticky;
    top: 0;
    margin-left: auto;
    margin-right: 40px;
    opacity: 0;
    transform: translateX(-50px);
}
.ceo_img img {
    object-fit: contain;
    object-position: 100% 100%;
}

.sticky_container {
    max-width: var(--container-lg);
    position: absolute;
    inset: 0;
    pointer-events: none;
    margin: 0 auto;
    z-index: 1;
}











/***** contact_sec *****/
.contact_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.contact_list a {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 40px 46px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: white;
    position: relative;
    transition: background .4s ease;
}
.c_icon {
    --icon: 50px;
    width: var(--icon);
    height: var(--icon);
    transition: transform .3s ease;
}
.contact_list h3 {
    font-size: var(--ft22);
    font-weight: var(--semi-bold);
    color: var(--ft-main);
    margin-bottom: 10px;
    transition: color .3s ease;
}
.contact_list p {
    font-size: var(--ft16);
    font-weight: var(--medium);
    color: var(--ft-sub);
    transition: color .3s ease;
}

.contact_list .more_icon {
    width: var(--size);
    height: var(--size);
    position: absolute;
    top: 20px;
    right: 20px;
    --size: 40px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background .2s ease;
}

.contact_list .more_icon::before {
    content: '';
    display: block;
    inset: 0;
    position: absolute;
    background: var(--white-300);
    transform: scale(0);
    opacity: 0;
    border-radius: 50%;
    transition: transform .4s ease, opacity .3s ease;
}
.contact_list .more_icon::after  {
    content: '';
    display: block;
    width: 16px;
    height: 16px;
    background: var(--gray-800);
    transition: background .3s ease;
}
.archive_sec .plus_icon::after {
    mask: url('/images/icon/plus.svg') no-repeat center / cover;
    -webkit-mask: url('/images/icon/plus.svg') no-repeat center / cover;
}
.contact_list .more_icon::after {
    mask: url('/images/icon/chevron-right.svg') no-repeat center / cover;
    -webkit-mask: url('/images/icon/chevron-right.svg') no-repeat center / cover;
}


.contact_list a:hover {
    background: var(--primary);
}

.contact_list a:hover h3,
.contact_list a:hover p {
    color: white;
}
.contact_list a:hover .c_icon {
    transform: scale(.9);
}
.contact_list a:hover .more_icon {
    background: transparent;
}
.contact_list a:hover .more_icon::before {
    transform: scale(1);
    opacity: 1;
}
.contact_list a:hover .more_icon::after {
    background: white;
}

@media all and (max-width: 1600px) {

    /*-- main_sec --*/
    .greeting_title {
        font-size: var(--ft50);
    }

    /*-- work_sec --*/
    .work_card {
        padding: 30px;
    }
}

@media all and (max-width: 1400px) {

    /*-- main_sec --*/
    .greeting_title {
        font-size: var(--ft40);
    }

    /*-- work_sec --*/
    .work_sec .sec_content {
        padding: 80px 60px;
    }
    .sec_header h2 {
        font-size: var(--ft28);
    }
    .work_card h3 {
        font-size: var(--ft20);
    }

    /*-- contact_sec --*/
    .contact_list a {
        gap: 32px;
    }
    .contact_list h3 {
        font-size: var(--ft18);
    }
    .c_icon {
        --icon: 40px;
    }
}

@media all and (max-width: 1200px) {

    /*-- work_sec --*/
    .work_list {
        grid-template-columns: repeat(1, 1fr);
    }
    .work_card {
        min-height: auto;
        height: auto;
        flex-direction: row;
        justify-content: start;
        gap: 32px;
    }

    /*-- contact_sec --*/
    .contact_list {
        grid-template-columns: repeat(1, 1fr);
    }
    .contact_list a {
        padding: 32px;
    }
}

@media all and (max-width: 1024px) {

    /*-- main_sec --*/
    .main_sec .inner {
        display: flex;
        flex-direction: column;
    }
    .greeting_title {
        font-size: var(--ft40);
    }
    .sticky_container {
        position: static;
        order: 2;
    }
    .ceo_img {
        width: 100%;
        max-width: 80%;
        height: auto;
        position: static;
        margin: 0 auto;
    }
    .greeting_box {
        width: 100%;
        padding-bottom: 20px;
    }
    
}

@media all and (max-width: 768px) {

    main {
        margin-bottom: 100px;
    }

    
    /*-- main_sec --*/
    .main_sec {
        margin-top: 60px;
    }
    .greeting_title {
        margin-bottom: 20px;
        font-size: var(--ft28);
    }
    .greeting_text {
        max-width: 100%;
        font-size: var(--ft16);
    }
    .greeting_sign {
        margin-top: 32px;
    }
    .greeting_sign p {
        font-size: var(--ft16);
    }
    .greeting_sign strong {
        font-size: var(--ft20);
    }
    
    /*-- work_sec --*/
    .sec_header {
        margin-bottom: 32px;
    }
    .sec_header h2 {
        font-size: var(--ft24);
    }
    .work_sec .sec_content {
        padding: 50px 20px 20px;
    }
    .work_card {
        padding: 20px;
        flex-direction: column;
        gap: 20px;
    }
    .work_card .num {
        --size: 32px;
        font-size: var(--ft16);
        margin-bottom: 0px;
    }
    .work_card h3 {
        font-size: var(--ft18);
    }
    .work_card p {
        font-size: var(--ft16);
    }

    /*-- contact_sec --*/
    .contact_list a {
        padding: 24px;
        gap: 18px;
    }
    .c_icon {
        --icon: 28px;
    }
    .contact_list .more_icon {
        --size: 24px
    }
}