.na-wrapper {
    width: 100%;
    background: var(--white);
}

.na-main-banner {
    position: relative;
    height: 540px;
    overflow: hidden;
    margin-bottom: 50px;
    width: 100%;
}

.banner-content {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    z-index: 2;
    color: var(--white);
    text-align: left;
    max-width: var(--page-container);
    width: 100%;
}

.banner-title {
    font-size: var(--fs-h2);
    font-weight: 800;
    margin-bottom: 1rem;
}

.banner-subtitle {
    font-size: var(--fs-h6);
    font-weight: bold;
    margin-bottom: 10px;
}



.navigation-menu {
    display: flex;
    align-items: stretch;
}

.nav-icon {
    background-color: var(--second-color);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    width: 50px;
}

.nav-icon img {
    width: 22px;
    height: auto;
    display: block;
}

.nav-select {
    position: relative;
    background-color: var(--black-opacity);
    display: flex;
    align-items: center;
    padding-right: 32px;
    width: 180px;
}

.nav-select select {
    background-color: transparent;
    color: var(--white);
    border: none;
    padding: 12px 12px;
    padding-right: 40px;
    font-size: var(--fs-h9);
    font-weight: bold;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    text-align: left;
    min-width: 120px;
}

.nav-select::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 16px 16px;
}

.company-intro {
    text-align: center;
    margin: 135px 0px 135px 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.intro-image {
    width: 100%;
    max-width: var(--page-container);
    padding: 0 40px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    margin: 0;
}

.intro-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
}

.intro-text {
    padding: 0 40px;
    max-width: var(--page-container);
    text-align: left;
    line-height: 40px;
    font-size: var(--fs-h6);
    width: 100%;
    max-width: var(--page-container);
    margin: 0;
    font-weight: 400;
}

.intro-text p {
    margin-bottom: 5px;
    font-weight: 400;
    font-size: var(--fs-h6);
}

.image-caption {
    padding: 20px;
    text-align: center;
}

.image-title {
    font-size: var(--fs-h6);
    font-weight: bold;
    color: var(--grey-dark);
    margin-bottom: 10px;
}

.image-description {
    font-size: var(--fs-h10);
    color: var(--grey-light);
    line-height: 1.5;
}

.our-service-section {
    background: var(--background-service-section);
    padding: 100px 0px 150px;
}

.service-header {
    text-align: center;
    margin-bottom: 77px;
}

.section-title {
    font-size: var(--fs-h2-2);
    font-weight: 700;
    color: var(--grey-dark);
    margin-bottom: 4px;
    line-height: 73px;
}

.section-subtitle {
    font-size: var(--fs-h6);
    max-width: 100%;
    margin: 0 90px;
    line-height: 40px;
    font-weight: 500;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 40px;
}

.service-item {
    background: var(--white);
    padding: 40px 40px;
    text-align: center;
    border: 1px solid var(--grey-border);
}

.service-item .service-icon {
    margin-bottom: 23px;
    display: flex;
    justify-content: center;
}

.service-item .service-title {
    font-size: var(--fs-h5);
    font-weight: 700;
    color: var(--grey-dark);
    margin-bottom: 10px;
}

.service-item .service-description {
    color: var(--text-color);
    line-height: 30px;
    font-size: var(--fs-h6);
    font-weight: 500;
}

.service-item2 {
    background: var(--background-service);
    padding: 40px 40px;
    text-align: center;
    border: 1px solid var(--bg-light);
}

.offer-item {
    background: var(--white);
    padding: 40px 10px;
    text-align: center;
    border: 1px solid var(--grey-border);
    /*width: 413px;*/
    height: 257px;
    margin: 0;
}

.offer-item .service-icon {
    margin-bottom: 29px;
    display: flex;
    justify-content: center;
}

.offer-item .service-title {
    font-size: var(--fs-h5);
    font-weight: 700;
    color: var(--grey-dark);
    margin-bottom: 10px;
}

.offer-item .service-description {
    color: var(--text-color);
    line-height: 30px;
    font-size: var(--fs-h6);
    font-weight: 400;
}

.offer-item-alt {
    background: var(--background-service);
    padding: 40px 40px;
    text-align: center;
    border: 1px solid var(--bg-light);
    /*width: 413px;*/
    height: 257px;
    margin: 0;
}

.offer-item-alt .service-icon {
    margin-bottom: 29px;
    display: flex;
    justify-content: center;
}

.offer-item-alt .service-title {
    font-size: var(--fs-h5);
    font-weight: 700;
    color: var(--grey-dark);
    margin-bottom: 10px;
}

.offer-item-alt .service-description {
    color: var(--text-color);
    line-height: 1.6;
    font-size: var(--fs-h6);
    font-weight: 400;
}

.offer-grid {
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    max-width: var(--page-container);
    margin: 0 auto;
}

.offer-title {
    font-size: var(--fs-h5);
    font-weight: 700;
    color: var(--grey-dark);
}

.offer-icon {
    margin-bottom: 29px;
    display: flex;
    justify-content: center;
}

.service-icon {
    margin-bottom: 29px;
    display: flex;
    justify-content: center;
}

.service-icon-2 {
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
}

.service-title {
    font-size: var(--fs-h5);
    font-weight: 700;
    color: var(--grey-dark);
    margin-bottom: 10px;
}

.service-description {
    color: var(--text-color);
    line-height: 30px;
    font-size: var(--fs-h6);
    font-weight: 400;
}

.outsourcing-section {
    background: var(--white);
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 40px;
    margin-top: 110px;
    margin-bottom: 113px;
}

.outsourcing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: var(--page-container);
    gap: 80px;
}

.outsourcing-image {
    position: relative;
    width: 500px;
    height: 338px;
    display: block;
    align-items: stretch;
    border-radius: 20px;
    margin: 10px 0px 0px 0px;
    overflow: hidden;
}

.outsourcing-title {
    font-size: var(--fs-title);
    font-weight: 600;
    line-height: 50px;
    color: var(--grey-dark);
    margin-bottom: 15px;
}

.outsourcing-text p {
    color: var(--text-color);
    font-size: var(--fs-h6);
    font-weight: 500;
    line-height: 35px;
    margin: 0;
    margin-bottom: 10px;
}

.button.view-link {
    color: var(--main-color);
}

.timeline-section {
    background: var(--white);
    padding: 0 40px;
    max-width: var(--page-container);
    margin-top: 130px;
    margin-bottom: 375px;
    margin: 0 auto;
    width: 100%;
}

.timeline-container {
    max-width: var(--page-container);
    padding: 0 40px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 123px;
}

.timeline-images {
    flex: 0 0 400px;
    display: flex;
    flex-direction: column;
    gap: 380px;
    max-width: 100%;
}


.timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.timeline-content {
    flex: 1;
    position: relative;
    padding-left: 32px;
}

.timeline-content .timeline-line {
    position: absolute;
    left: 15px;
    height: 99%;
    bottom: 0;
    width: 1px;
    background: var(--white-soft);
}

.timeline-content .timeline-item {
    position: relative;
    margin-bottom: 67px;
    padding-left: 0;
    width: 100%;
    max-width: 550px;
}

.timeline-content .timeline-item::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 2px;
    width: 12px;
    height: 12px;
    background: var(--second-color);
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 1px var(--second-color);
}

.timeline-year {
    font-size: var(--fs-h3);
    font-weight: 700;
    line-height: 20px;
}

.timeline-description {
    font-size: var(--fs-h6);
    line-height: 34px;
    color: var(--text-color-history);
    font-weight: 400;
}

.contact-section {
    margin-top: 165px;
    margin-bottom: 345px;
    padding: 0 40px;
    max-width: var(--page-container);
    background-color: var(--white);
    margin: 0 auto;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 101px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--grey-normal), var(--white-soft));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--font-color-secondary);
    font-size: var(--fs-h8);
    position: relative;
}

.map-marker {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: rotate(-45deg) translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background-color: var(--font-color-link);
    border-radius: 50% 50% 50% 0;
}

.map-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0px;
}

.info-card,
.info-card2 {
    background: var(--white);
    padding: 0px 15px;
    font-size: var(--fs-h8);
}

.info-card2 {
    border-left: 1px solid var(--white-soft);
    height: 130px;
}

.info-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.info-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--white);
    font-weight: bold;
    font-size: var(--fs-h10);
}

.info-content {
    color: var(--grey-medium);
    line-height: 30px;
    font-size: var(--fs-h8);
}

.address-section {
    margin-bottom: 20px;
}

.korea-address {
    line-height: 30px;
    font-size: var(--fs-h7);
    font-weight: 400;
    margin-bottom: 30px;
}


.contact-phone {
    color: var(--grey-medium);
    text-decoration: none;
    font-weight: 400;
    font-size: var(--fs-h7);
}

.contact-phone:hover {
    text-decoration: underline;
}

.info-content p {
    font-weight: 400;
    font-size: var(--fs-h7);
    line-height: 36px;
    letter-spacing: 0px;
    color: var(--text-color);
}

.address-section p {
    font-weight: 400;
    font-size: var(--fs-h7);
    line-height: 36px;
    letter-spacing: 0px;
    margin-bottom: 0;
    color: var(--text-color);
}

.info-title {
    font-weight: 700;
    font-size: var(--fs-h5);
    line-height: 20px;
    color: var(--black);
}


.custom-box {
    border: 2px solid #2196f3;
    border-radius: 10px;
    padding: 20px 10px 15px 10px;
    text-align: center;
    background: #fff;
    max-width: 420px;
    margin: 0 auto;
    box-sizing: border-box;
}

.custom-box-title {
    background: #f5f5f5;
    font-size: var(--fs-h3);
    font-weight: bold;
    color: #222;
    padding: 18px 0 12px 0;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    margin: -20px -10px 0 -10px;
}

.custom-box-title.custom-box-title-small {
    font-size: var(--fs-h7);
    font-weight: 500;
    padding: 10px 0 6px 0;
    background: #f5f5f5;
    color: #222;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    margin: -20px -10px 0 -10px;
}

.custom-box-desc {
    color: #888;
    font-size: var(--fs-h6);
    line-height: 1.5;
    margin-top: 18px;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.desc-dot-group {
    display: flex;
}

.desc-dot-group p {
    margin: 0;
    padding: 0;
    text-align: left;
    color: #888;
    font-size: var(--fs-h8);
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: 0.01em;
    word-break: keep-all;
}

.content-group {
    display: flex;
}

.content-group p {
    margin: 0;
    padding: 0;
    text-align: left;
    color: #888;
    font-size: var(--fs-h8);
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: 0.01em;
    word-break: keep-all;
}

.dot-sep {
    margin: 6px 15px 0px 10px;
    font-size: var(--fs-h8);
    color: var(--text-color);
    vertical-align: middle;
}

.dot-sep::before {
    content: '•';
}

.dot {
    margin: 3px 5px 0px 15px;
    font-size: var(--fs-h8);
    color: var(--text-color);
    vertical-align: middle;
}

.dot::before {
    content: '•';
}

.desc-group {
    display: flex;
    align-items: flex-start;
}

.desc-group .dot-sep {
    margin-left: 0;
    margin-top: 4px;
}

.desc-group .dot {
    margin-left: 0;
    margin-top: 4px;
}

.solution-section {
    background: var(--white);
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 40px;
    margin-top: 123px;
    margin-bottom: 107px;
}

.solution-header {
    text-align: center;
    margin-bottom: 40px;
}

.solution-title {
    font-size: var(--fs-title);
    font-weight: 700;
    color: var(--text-color-history);
    margin-bottom: 28px;
    line-height: 73px;
}

.solution-subtitle {
    font-size: var(--fs-h6);
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 108px;
}

.solution-flex-graph {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    width: 100%;
    max-width: var(--page-container);
    margin: 0 auto;
    min-height: 550px;
}

.solution-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    z-index: 2;
}

.solution-col-right .solution-box h3 {
    text-align: left;
    padding-left: 15px;
}

.solution-col-right .solution-box p {
    text-align: left;
}

.solution-col-left .solution-box h3 {
    padding-right: 15px;
    text-align: right;
}

.solution-col-left .solution-box p {
    text-align: right;
    margin-left: 15px;
}

.solution-col-left {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.solution-col-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.solution-col-right-2 {
    align-items: flex-start;
    margin-left: 270px;
}

.solution-row {
    width: 100%;
    max-width: 405px;
    margin: 0 0 0 0;
    height: 120px;
    display: flex;
    align-items: center;
}

.solution-box {
    border: 1px solid #0991DE;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
    width: 340px;
    height: 130px;
    display: flex;
    flex-direction: column;
}

.solution-box h3 {
    background: var(--text-color-solution-h3);
    color: #222;
    font-size: var(--fs-h6);
    font-weight: 600;
    padding: 6px;
}

.solution-box p {
    line-height: 20px;
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--fs-h8);
    margin: 0;
    padding: 8px 0px 8px 0px;
}

.solution-color-3 {
    background: var(--primary-color);
}

.solution-color {
    background: var(--blue-our-solution);
}

.outstanding-section {
    width: 100%;
    position: relative;
}

.outstanding-title {
    font-size: var(--fs-h2);
    line-height: 73px;
    color: var(--text-color-history);
    margin: 0 auto 74px auto;
    text-align: center;
}

.solution-circle-col {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
}

.big-circle-outer {
    width: 240px;
    height: 240px;
    background: #eaf4fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.big-central-circle {
    width: 178px;
    height: 178px;
    border-radius: 50%;
    color: var(--white);
    line-height: 35px;
    font-size: var(--fs-h3);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 2px 16px 0 #96B3C3CC;
}

.sol-svg-lines {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.sol-svg-lines line {
    stroke: var(--line-color);
    stroke-width: 1;
}

.tech-connection-lines {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.tech-connection-lines line {
    stroke: var(--line-color);
    stroke-width: 1;
}

.service-box,
.service-box2 {
    position: absolute;
    width: 340px;
    height: 130px;
    border: 1px solid var(--blue);
    border-radius: 5px;
    background-color: var(--grey-white);
}

.service-box h3,
.service-box2 h3 {
    font-size: var(--fs-h6);
    font-weight: 600;
    color: var(--grey-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    background-color: var(--white-soft);
    padding: 8px 12px;
    border-radius: 4px;
}

.service-box h3 {
    text-align: right;
}

.service-box2 h3 {
    text-align: left;
}

.service-box p,
.service-box2 p {
    font-size: var(--fs-h10);
    color: var(--grey-normal);
    line-height: 1.6;
    text-align: left;
}

.service-box ul,
.service-box2 ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-box li,
.service-box2 li {
    font-size: var(--fs-h8);
    color: var(--grey-normal);
    margin-bottom: 4px;
    position: relative;
    padding: 0px 35px;
    font-weight: 500;
}

.service-box li:before {
    content: "•";
    color: var(--grey-normal);
    position: absolute;
    right: 20px;
    font-weight: var(--fs-h8);
}

.service-box2 li:before {
    content: "•";
    color: var(--grey-normal);
    position: absolute;
    left: 20px;
    font-weight: var(--fs-h8);
}

.backend-box {
    top: -25px;
    left: -211px;
}

.ui-ux-box {
    top: 99px;
    left: -211px;
}

.api-box {
    top: 225px;
    left: -211px;
}

.upgrade-box {
    top: -25px;
    right: -211px;
}

.database-box {
    top: 100px;
    right: -211px;
}

.industry-box {
    top: 225px;
    right: -211px;
}

.line-1a {
    width: 37px;
    top: 20px;
    left: 204px;
}

.line-1b {
    width: 162px;
    top: 20px;
    left: 240px;
    transform: rotate(25deg);
    transform-origin: left center;
}

.line-2a {
    width: 37px;
    top: 20px;
    right: 204px;
}

.line-2b {
    width: 160px;
    top: 20px;
    right: 240px;
    transform: rotate(-25deg);
    transform-origin: right center;
}

.line-3a {
    width: 176px;
    top: 145px;
    left: 204px;
    transform: rotate(0deg);
}

.line-3b {
    width: 176px;
    top: 145px;
    right: 204px;
    transform: rotate(0deg);
}

.line-4a {
    width: 37px;
    top: 270px;
    left: 204px;
}

.line-4b {
    width: 160px;
    top: 270px;
    left: 240px;
    transform: rotate(-25deg);
    transform-origin: left center;
}

.line-5b {
    width: 156px;
    top: 270px;
    right: 241px;
    transform: rotate(25deg);
    transform-origin: right center;
}

.line-5a {
    width: 37px;
    top: 270px;
    right: 204px;
}

.outsourcing-description ul {
    list-style: none;
    padding-left: 0;
}

.outsourcing-description li {
    position: relative;
    font-weight: 500;
    padding-left: 20px;
    font-size: var(--fs-h6);
    color: var(--text-color);
    margin-bottom: 6px;
    line-height: 1.6;
}

.outsourcing-description li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-color-history);
    line-height: 1.6;
}

.portfolio-container {
    margin: 0 auto;
    padding: 0 20px;
    max-width: 1335px;
}

.partners-section {
    padding: 120px 0;
    background: var(--white);
}


.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 90px;
    align-items: center;
    justify-items: center;
    padding: 90px;
}

.partner-logo img {
    max-width: 220px;
    max-height: 100%;
}

.partner-name {
    font-weight: 600;
    color: var(--grey-dark);
    font-size: var(--fs-h10);
}

.projects-section {
    position: relative;
    padding: 80px 0;
    background: transparent;
    color: var(--white);
    overflow: hidden;
}

.outstanding-content {
    position: relative;
    width: 100%;
}

.projects-bg-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}



.section-header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0 0 100px;
}

.section-title-subtitle-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    justify-content: center;
}

.section-title2 {
    text-align: center;
    font-size: var(--fs-h2);
    font-weight: 600;
    color: var(--grey-dark);
    margin: 0;
    white-space: nowrap;
}

.section-title-wrapper .section-title2 {
    text-align: center;
    font-size: var(--fs-h2);
    font-weight: 600;
    color: var(--grey-dark);
    margin-bottom: 40px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    width: 100%;
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.project-item {
    text-align: center;
}

.project-card {
    background: var(--black-opacity);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--black-opacity);
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.project-image-box {
    background: #0097ED4D;
    border-radius: 20px;
    padding: 20px;
    margin: 0px 0px 153px 0px;
    text-align: center;
    width: 556px;
    /* height: 625px; */
}

.project-image {
    width: 100%;
    object-fit: cover;
    margin-bottom: 20px;
    padding: 10px;
}

.project-title {

    font-weight: 600;
    font-size: var(--fs-title);
    color: var(--white);
    margin: 94px 0px 40px 0px;
    text-align: center;
}

.project-category {
    display: inline-block;
    background: var(--black-opacity);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: var(--fs-h10);
    color: var(--white);
}

.projects-wrapper {
    position: relative;
    width: 100%;
}

.outstanding-navigation-buttons {
    position: absolute;
    top: 75%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
    height: 700px;
    padding: 0px 70px;
    margin-top: 62px;
    cursor: pointer;
}

.outstanding-nav-button {
    width: 60px;
    height: 60px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #ffffff;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.outstanding-nav-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.featured-section {
    text-align: center;
    padding-top: 1px;
}

.featured-title {
    font-size: var(--fs-title);
    font-weight: 600;
    color: var(--text-color-history);
    margin-bottom: 50px;
}

.featured-description {
    font-size: var(--fs-h3);
    color: var(--text-color-history);
    font-weight: 500;
    line-height: 40px;
    max-width: 1000px;
    margin: 0 auto 48px;
}

.isometric-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 500px;
    margin: 0 auto;
}

.section-divider {
    width: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: bottom center;
    margin-top: -450px;
}

.section-divider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.management-section {
    padding: 100px;
    background: var(--background-color-feature);
}

.management-title {
    font-size: var(--fs-h2);
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color-history);
    font-weight: 600;
}

.management-subtitle {
    text-align: center;
    font-size: var(--fs-h3);
    color: var(--text-color-history);
    max-width: 1000px;
    margin: 0 auto 48px;
    line-height: 40px;
    font-weight: 500;
}

.features-list {
    margin: 70px auto 0;
    padding: 0 40px;
    max-width: var(--page-container);
}

.feature-item {
    display: flex;
    height: 80px;
    width: 1238px;
    align-items: stretch;
    margin-bottom: 28px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--line-color);
}

.feature-left {
    background-color: var(--background-service);
    display: flex;
    align-items: center;
    gap: 20px;
    min-width: 465px;
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0px 0px 0px 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 60%;
    height: auto;
    object-fit: contain;
}

.feature-right {
    background-color: var(--white);
    display: flex;
    align-items: center;
    padding: 20px 25px;
    flex: 1;
}

.feature-title {
    font-size: var(--fs-h4);
    font-weight: 600;
    color: var(--text-color-history);
    min-width: 180px;
}

.feature-description {
    font-size: var(--fs-h5);
    font-weight: 400;
    color: var(--text-color-history);
    line-height: 33px;
    flex: 1;
}

.project-card-2 {
    width: 100%;
    padding: 38px;
    background-color: var(--white);
    text-align: center;
    box-sizing: border-box;
    transition: background-color 0.3s ease;
    border: none;
}

.project-card-2:hover {
    background-color: var(--second-color);
    /* cursor: pointer; */
    /*hide because skip portfolio detail*/
}

.card-title {
    font-size: var(--fs-h8);
    font-weight: 700;
    color: var(--black);
    transition: color 0.3s ease;
}

.project-description {
    color: var(--gray-dark);
    transition: color 0.3s ease;
}

.project-card-2:hover .card-title,
.project-card-2:hover .project-description {
    color: var(--white);
}

.project-card-2 {
    border: 1px solid var(--grey-border);
    border-top: none;
    border-left: none;
}

.project-card-2:nth-child(-n+5) {
    border-top: none;
}

.project-card-2:nth-child(5n+1) {
    border-left: none;
}

.project-card-2:nth-child(5n) {
    border-right: 1px solid var(--grey-border);
}



.text-center {
    text-align: center;
    margin-bottom: 58px;
}

.title {
    font-size: var(--fs-h2);
    font-weight: 600;
    color: var(--black);
    margin-bottom: 48px;
    margin-top: 146px;
}

.description {
    font-size: var(--fs-h3);
    font-weight: 500;
    width: 100%;
}

.tabs-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 58px;
}

.tabs {
    display: flex;
    overflow: hidden;
}

.tab-button {
    padding: 0px 25px;
    font-size: var(--fs-h6);
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: none;
}

.tab-button.active {
    font-size: var(--fs-h6);
    padding: 0px;
    font-weight: 700;
    border-top: 1px solid var(--second-color);
    color: var(--second-color);
}


.project-list {
    display: none;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border: none;
}

.project-list.active {
    display: grid;
}

.project-card {
    padding: 20px;
    background-color: var(--white);
    border: 1px solid var(--black-opacity);
    text-align: center;
    max-width: 500px;
    width: 100%;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.project-card:hover {
    background-color: var(--second-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-image img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.project-desc {
    color: var(--grey-medium);
    font-size: var(--fs-h10);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 100px;
}

.page-btn {
    padding: 7px 9px;
    border-radius: 6px;
    background-color: var(--white-soft);
    color: var(--black);
    font-size: var(--fs-h9);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: flex;
}

.page-btn:hover {
    background-color: var(--white-soft);
}

.page-btn.active {
    background-color: var(--second-color);
    color: var(--white);
    border: none;
}


.project-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-color: var(--white);
    transition: transform 0.2s ease;
}

.project-image-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px var(--black-opacity);
    border-radius: 4px;
}


.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    margin-top: 20px;
}

.border-right {
    border-right: 1px solid var(--white);
}

.featured-container {
    width: 100%;
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 40px;
    margin-top: 100px;
}


/* POPUP */
.popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--black-opacity);
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.popup-overlay.active {
    display: flex;
}

.popup {
    scrollbar-width: none;
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    max-width: 894px;
    width: 100%;
    position: relative;
    height: 728px;
}

.popup-close,
.mini-popup-close {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 16px;
    height: 16px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.popup-title {
    text-align: left;
    font-size: var(--fs-h4);
    font-weight: 700;
    margin-bottom: 26px;
}

.popup-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.popup-left {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.popup-left-row {
    display: flex;
    gap: 15px;
}

.popup-group {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.popup-group label {
    margin-bottom: 12px;
    font-weight: 400;
    color: var(--text-color-popup-title);
    font-size: var(--fs-h7);
}

.popup-group input,
.popup-group textarea {
    width: 100%;
    padding: 12px 10px 10px;
    font-size: var(--fs-h8);
    color: #252525;
    font-weight: 400;
    border: 1px solid var(--grey-border);
    border-radius: 8px;
    resize: vertical;
    box-sizing: border-box;
}

.popup-group input:focus,
.popup-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.popup-right {
    display: flex;
    flex-direction: column;
}

.popup-section-title {
    font-size: var(--fs-h7);
    font-weight: 400;
    margin-bottom: 10px;
}

.popup-upload {
    border: 2px dashed var(--white-soft);
    border-radius: 10px;
    padding: 20px 20px 20px;
    text-align: center;
    cursor: pointer;
    background-color: var(--white);
    margin-bottom: 20px;
}

.popup-upload-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}


.popup-upload-text {
    font-size: var(--fs-h8);
    font-weight: 400;
    margin-bottom: 5px;
}

.popup-upload-subtext {
    font-size: var(--fs-h9);
    font-weight: 400;
    color: var(--grey-border);
    margin-bottom: 10px;
}

.popup-file-btn {
    border: 1px solid var(--grey-border);
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: var(--fs-h9);
    font-weight: 400;
}

.popup-checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
}

.popup-checkbox-grid label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-h8);
    font-weight: 400;
    cursor: pointer;
}

.popup-bottom {
    border-top: 1px solid var(--grey-border);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.popup-privacy {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--fs-h7);
    font-weight: 400;
}

.popup-link {
    font-size: var(--fs-h7);
    font-weight: 400;
    background: none;
    border: none;
    color: var(--blue-link);
    text-decoration: underline;
    cursor: pointer;
}

.popup-submit {
    background: var(--second-color);
    border: none;
    color: var(--white);
    padding: 12px 30px;
    border-radius: 80px;
    font-size: var(--fs-h7);
    font-weight: 700;
    cursor: pointer;
    width: 260px;
    height: 50px;
}

.popup-type-select .popup-section-title {
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--text-color-popup-title);
    font-size: var(--fs-h7);
}

.popup-type-select .popup-checkbox-grid {
    display: grid;
    gap: 18px;
    margin-bottom: 20px;
}

.popup-type-select .popup-checkbox-grid label {
    display: flex;
    align-items: center;
    font-size: var(--fs-h8);
    font-weight: 400;
    gap: 6px;
    cursor: pointer;
}

.popup-type-select input[type="checkbox"] {
    width: 22px;
    height: 22px;
    border: 1px solid var(--grey-border);
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s, background 0.2s;
    vertical-align: middle;
    margin: 0;
    display: inline-block;
    border-radius: 4px;
}

.popup-type-select input[type="checkbox"]:checked {
    background: var(--grey-checkbox);
    border-color: var(--grey-checkbox);
}

.popup-type-select input[type="checkbox"]:checked::after {
    content: '';
    display: block;
    position: absolute;
    left: 6px;
    top: 0px;
    width: 6px;
    height: 12px;
    border: solid #fff;
    border-width: 0 3px 3px 0;
    border-radius: 2px;
    transform: rotate(45deg);
}

.popup-type-select label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.mini-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 892px;
    height: 728px;
    padding: 30px;
    border-radius: 20px;
    z-index: 9999;
}

.mini-popup-title {
    border-bottom: 1px solid var(--grey-border);
    padding-bottom: 34px;
}

.mini-popup-content {
    display: grid;
    gap: 10px;
    font-size: var(--fs-h7);
    font-weight: 400;
    line-height: 40px;
}

.mini-popup.active {
    display: block;
}

.popup-overlay.hide-main-popup .popup {
    display: none;
}

/* Board Layout */
.board-wrapper {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    width: var(--page-container);
    padding: 0 40px;
    margin: 0 auto;
    margin-top: 160px;
}

.board-container {
    background-color: var(--white);
    width: var(--page-container);
    box-sizing: border-box;
}

/* Bảng */
.board-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-h6);
}

.board-table thead tr {
    background-color: var(--background-color);
    /* nền xám nhạt */
    border-top: 2px solid var(--grey-light);
}

.board-table th {
    font-weight: 700;
    padding: 15px 0;
    text-align: center;
    border-bottom: 1px solid var(--grey-border);
}

.board-table td {
    font-weight: 400;
    padding: 15px 0;
    border-bottom: 1px solid var(--grey-border);
}

.board-table .col-number-text {
    width: 100px;
    text-align: center;
}

.board-table .col-content-text {
    width: 500px;
    text-align: left;
    padding-left: 20px;
}

.board-table .col-date-text {
    width: 50px;
    text-align: center;
    white-space: nowrap;
}

/* Pagination */
.page {
    display: inline-block;
    padding: 8px 12px;
    font-size: var(--fs-h10);
    margin: 0 4px;
    cursor: pointer;
}

.page.active {
    background-color: var(--second-color);
    color: var(--white);
    border-radius: 4px;
}

.page.disabled {
    cursor: default;
}

.right-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    height: 900px;
    background-color: var(--white);
    box-shadow: -4px 0 12px var(--black-opacity);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 9999;
}

.right-menu.active {
    transform: translateX(0);
}

.right-menu-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.right-menu-content a {
    position: relative;
    padding: 12px 15px;
    display: block;
    color: var(--grey-medium);
    font-size: var(--fs-h8);
    line-height: 1.3em;
    border-bottom: 1px solid var(--grey-border);
}

.right-menu-content a::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-75%) rotate(45deg);
    width: 10px;
    height: 10px;
    border-right: 2px solid #2c2c2c;
    border-bottom: 2px solid #2c2c2c;
}

.right-menu-content img {
    display: block;
    height: 56px;
    width: auto;
}

.btn-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: var(--fs-title);
    background: none;
    border: none;
    cursor: pointer;
}


.nl-menu-item-wrapper {
    display: flex;
    list-style: none;
    align-items: center;
}

.na-menu-item {
    position: relative;
    margin: 0 25px;
}

.nl-menu-item {
    text-decoration: none;
    color: var(--black);
    font-weight: 500;
    font-size: var(--fs-h9);
    padding: 20px 0;
    display: block;
    transition: color 0.3s ease;
    position: relative;
}

.nl-menu-item:hover::after {
    width: 100%;
}

.nasubmenu {
    position: fixed;
    top: 90px;
    left: 0;
    right: 0;
    background: var(--white);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0);
    transition: all 0.6s ease;
    z-index: 999;
    max-height: 0;
    overflow: hidden;
}

.na-menu-item:hover .nasubmenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 200px;
}

.na-menu-item:hover .nasubmenu .nasubmenu-container {
    transform: translateY(0);
    opacity: 1;
}

.nasubmenu-container {
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    justify-content: space-between;
    padding: 30px 590px 30px 660px;
    gap: 20px;
    opacity: 0;
}

.nasubmenu-column {
    flex: 1;
    min-width: 0;
}

.nasubmenu-item {
    list-style: none;
    margin-bottom: 12px;
    text-align: center;
    width: 100%;
}

.nasubmenu-link {
    display: block;
    color: #505050;
    padding: 0;
    text-decoration: none;
    font-size: var(--fs-h9);
    font-weight: 400;
    position: relative;
    text-align: center;
    border-bottom: 1px solid transparent;
    transition: color 0.3s ease;
}

.nasubmenu-link:hover {
    color: var(--second-color);
}

.nasubmenu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    color: var(--second-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.5s ease;
}

.nasubmenu-link:hover::after {
    transform: scaleX(1);
}

.popup-submit:disabled {
    opacity: 0.8;
}

.nh-textarea {
    width: 100% !important;
    height: 130px;
    resize: none !important;
}

.sol-box-row {
    display: flex;
    align-items: center;
    width: 100%;
    margin-bottom: 18px;
}

.sol-box {
    background: #fff;
    border: 2px solid #2196f3;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(180, 200, 230, 0.08);
    padding: 0 24px 0 24px;
    min-width: 340px;
    max-width: 520px;
    width: 100%;
    height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.sol-box h3 {
    background: #f5f7fa;
    border-radius: 8px 8px 0 0;
    padding: 12px 16px 8px 16px;
    margin: 0 -24px 4px -24px;
    font-weight: bold;
    color: #222;
}

.sol-box p {
    margin: 0;
    color: #444;
}

.partner-logo:focus,
.nav-button:focus {
    outline: 2px solid var(--second-color);
    outline-offset: 2px;
}

.navigation-buttons {
    position: absolute;
    top: 50%;
    left: 32px;
    right: 32px;
    width: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
    transform: translateY(-50%);
    background: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
}

.nav-button {
    pointer-events: auto;
    margin: 0;
}

.solution-overview {
    background: var(--white);
    max-width: var(--page-container);
    margin: 0 auto;
    padding: 0 40px;
    margin-top: 123px;
}

.solution-intro {
    text-align: center;
    margin-bottom: 40px;
}

.solution-main-title {
    font-size: var(--fs-title);
    font-weight: 600;
    color: var(--black);
    margin-bottom: 10px;
}

.solution-description {
    font-size: var(--fs-h6);
    font-weight: 500;
    color: var(--text-color);
}

.solution-layout {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    width: 100%;
    max-width: var(--page-container);
    margin: 0 auto;
    min-height: 550px;
}

.solution-column {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    z-index: 2;
}

.solution-column-right .solution-card h3 {
    text-align: left;
    padding-left: 15px;
}

.solution-column-right .solution-card p {
    text-align: left;
}

.solution-column-left .solution-card h3 {
    padding-right: 15px;
    text-align: right;
}

.solution-column-left .solution-card p {
    text-align: right;
    margin-left: 15px;
}

.sol-left .solution-card h3 {
    padding-right: 15px;
    text-align: right;
}

.sol-left .solution-card p {
    text-align: right;
}

.solution-column-left {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.solution-column-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.solution-item-row {
    width: 100%;
    max-width: 405px;
    margin: 0 0 0 0;
    height: 120px;
    display: flex;
    align-items: center;
}

.solution-card {
    border: 1px solid #0991DE;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
    width: 340px;
    height: 110px;
    display: flex;
    flex-direction: column;
}

.solution-card h3 {
    background: var(--text-color-solution-h3);
    color: #222;
    font-size: var(--fs-h7);
    font-weight: 600;
    padding: 6px;
}

.solution-card p {
    line-height: 20px;
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--fs-h8);
    margin: 0;
    padding: 8px 0px 8px 0px;
}

.solution-primary-color {
    background: var(--blue-link);
}

.solution-center {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
}

.solution-center-wrapper {
    width: 240px;
    height: 240px;
    background: #eaf4fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-main-circle {
    width: 178px;
    height: 178px;
    border-radius: 50%;
    color: var(--white);
    line-height: 35px;
    font-size: var(--fs-h3);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 2px 16px 0 #96B3C3CC;
    line-height: 1.3;
    padding: 0 18px;
}

.solution-connection-lines {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.solution-connection-lines line {
    stroke: var(--line-color);
    stroke-width: 1;
}

.popup-submit:disabled {
    opacity: 0.8;
}

.solution-center-container {
    width: 402px;
    height: 402px;
    background-color: #EDF2F8;
    border-radius: 50%;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
}

.main-circle-wrapper {
    width: 332px;
    height: 332px;
    background: #DCE5F0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.center-circle-content {
    width: 259px;
    height: 259px;
    border-radius: 50%;
    color: var(--text-color-history);
    background-color: var(--white);
    border: 6px solid var(--primary-color);
    line-height: 35px;
    font-size: var(--fs-h3);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.solution-tech-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 9px;
    z-index: 2;
}



.solution-tech-box {
    width: 538px;
    height: 110px;
    border: 1px solid #0991DE;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.solution-tech-box h3 {
    background: var(--text-color-solution-h3);
    color: #222;
    font-size: var(--fs-h6);
    font-weight: 600;
    padding: 8px 0px 0px 25px;
    height: 46px;
}

.solution-tech-box p {
    line-height: 20px;
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--fs-h8);
    margin: 0;
    padding: 8px 0px 8px 0px;
}

.tech-desc-dot-group {
    display: flex;
    align-items: flex-start;
}

.tech-desc-dot-group p {
    line-height: 20px;
    color: var(--text-color);
    font-weight: 500;
    font-size: var(--fs-h8);
    margin: 0;
    padding: 8px 120px 8px 0px;
}

.tech-dot-sep {
    width: 4px;
    height: 4px;
    background: var(--text-color);
    border-radius: 50%;
    margin: 18px 11px 0px 21px;
    flex-shrink: 0;
}

.intro-section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: var(--page-container);
    gap: 40px;
}

.na-wrapper .outsourcing-section .intro-section-content img {
    width: 100%;
    height: 100%;
    max-width: 501px;
    max-height: 357px;
    border-radius: 20px;
    object-fit: cover;
    margin-top: 15px;
}

.partner-container {
    max-width: var(--page-container);
    padding: 0 40px;
    margin: 0 auto;
}

#scroll-wrapper {
    position: absolute;
    display: table;
    width: 100%;
    height: 100%;
    z-index: 9;
    pointer-events: none;
    left: -30%;
}

#scroll-wrapper-inner {
    display: table-cell;
    vertical-align: bottom;
    width: 100%;
    height: 100%;
}

#scroll-down {
    display: block;
    position: relative;
    padding-top: 79px;
    text-align: center;
}

#scroll-title {
    display: block;
    text-transform: uppercase;
    color: #FFF;
    font-family: "Courier-Prime", sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.4em;
    text-align: center;
    transform: rotate(90deg);
    margin-bottom: 45px;
}

#scroll-down::before {
    -webkit-animation: elasticus 2.5s ease-in-out infinite;
    -moz-animation: elasticus 2.5s ease-in-out infinite;
    -o-animation: elasticus 2.5s ease-in-out infinite;
    animation: elasticus 2.5s ease-in-out infinite;


    position: absolute;
    top: 0px;
    left: 50%;
    margin-left: -1px;
    width: 2px;
    height: 90px;
    background: #FFF;
    content: ' ';
}

@-webkit-keyframes elasticus {
    0% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }

    50% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    50.1% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    100% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }
}

@-moz-keyframes elasticus {
    0% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }

    50% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    50.1% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    100% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }
}

@-o-keyframes elasticus {
    0% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }

    50% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    50.1% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    100% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }
}

@keyframes elasticus {
    0% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }

    50% {
        -webkit-transform-origin: 0% 0%;
        -ms-transform-origin: 0% 0%;
        -moz-transform-origin: 0% 0%;
        -o-transform-origin: 0% 0%;
        transform-origin: 0% 0%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    50.1% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 1);
        -ms-transform: scale(1, 1);
        -moz-transform: scale(1, 1);
        -o-transform: scale(1, 1);
        transform: scale(1, 1);
    }

    100% {
        -webkit-transform-origin: 0% 100%;
        -ms-transform-origin: 0% 100%;
        -moz-transform-origin: 0% 100%;
        -o-transform-origin: 0% 100%;
        transform-origin: 0% 100%;
        -webkit-transform: scale(1, 0);
        -ms-transform: scale(1, 0);
        -moz-transform: scale(1, 0);
        -o-transform: scale(1, 0);
        transform: scale(1, 0);
    }
}

/* Responsive Styles for introduce.php */

@media (max-width: 640px) {
    .nl-guide-scroll {
        right: 120px;
    }

    #scroll-down::before {
        -webkit-animation: elasticus 4s ease-in-out infinite;
        -moz-animation: elasticus 4s ease-in-out infinite;
        -o-animation: elasticus 4s ease-in-out infinite;
        animation: elasticus 4s ease-in-out infinite;
    }

    .company-intro {
        margin: 60px 0;
        gap: 20px;
        padding: 0 20px;
    }

    .intro-image {
        padding: 0;
    }

    .intro-text {
        font-size: var(--fs-h8);
        line-height: 30px;
        padding: 0;
    }

    .intro-text p {
        font-size: var(--fs-h8);
        margin-bottom: 8px;
    }

    .our-service-section {
        padding: 30px 0;
    }

    .service-header {
        margin-bottom: 40px;
        padding: 0 15px;
    }

    .section-title {
        font-size: var(--fs-h3);
        letter-spacing: 1px;
    }

    .section-subtitle {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .service-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .service-item,
    .service-item2 {
        padding: 40px 40px;
    }

    .service-item .service-title,
    .service-item2 .service-title {
        font-size: var(--fs-h6);
    }

    .service-item .service-description,
    .service-item2 .service-description {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .outsourcing-section {
        padding: 0 20px;
        margin-top: 40px;
        margin-bottom: 40px;
    }

    .outsourcing-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .outsourcing-image {
        width: 100%;
        height: 100%;
    }

    .outsourcing-title {
        line-height: 30px;
        font-size: var(--fs-h3);
        margin-bottom: 20px;
        text-align: center;
    }

    .outsourcing-text p {
        font-size: var(--fs-h8);
        line-height: 25px;
        margin-bottom: 10px;
    }

    .intro-section-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .outsourcing-text {
        text-align: left;
    }

    .outsourcing-title {
        font-size: var(--fs-h4);
        line-height: 1.3;
        margin-bottom: 20px;
    }

    .outsourcing-description {
        font-size: var(--fs-h8);
        line-height: 1.5;
    }

    .outsourcing-description li {
        font-size: var(--fs-h8);
        margin-bottom: 8px;
    }

    .offer-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0 20px;
    }

    .offer-item,
    .offer-item-alt {
        height: auto;
        min-height: 200px;
        padding: 30px 20px;
    }

    .offer-title {
        font-size: var(--fs-h6);
    }

    .service-description {
        font-size: var(--fs-h8);
    }

    .solution-section {
        padding: 0 20px;
        margin-top: 80px;
        margin-bottom: 80px;
    }

    .solution-header {
        margin-bottom: 30px;
    }

    .solution-title {
        font-size: var(--fs-h3);
        line-height: 1.3;
        margin-bottom: 15px;
    }

    .solution-subtitle {
        font-size: var(--fs-h8);
        line-height: 1.4;
        margin-bottom: 40px;
    }

    .solution-flex-graph {
        flex-direction: column;
        min-height: auto;
        gap: 15px;
    }

    .solution-col {
        gap: 15px;
    }

    .solution-col-left,
    .solution-col-right {
        align-items: center;
    }

    .solution-box {
        width: 100%;
        max-width: 300px;
        height: auto;
        min-height: 100px;
    }

    .solution-box h3 {
        font-size: var(--fs-h7);
        padding: 8px;
        text-align: center;
    }

    .solution-col-right .solution-box h3,
    .solution-col-left .solution-box h3 {
        text-align: center;
    }

    .solution-col-left .solution-box p {
        text-align: left;
        margin-left: 0;
    }

    .solution-box p {
        font-size: var(--fs-h9);
        line-height: 18px;
        padding: 8px;
    }

    .solution-circle-col {
        order: -1;
        margin: 20px 0;
    }

    .big-circle-outer {
        width: 180px;
        height: 180px;
    }

    .big-central-circle {
        width: 140px;
        height: 140px;
        font-size: var(--fs-h6);
        line-height: 25px;
    }

    .sol-svg-lines {
        display: none;
    }

    .desc-dot-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .desc-dot-group p {
        padding: 8px 15px;
        font-size: var(--fs-h9);
    }

    .dot-sep {
        display: none;
    }

    .solution-center-container {
        width: 280px;
        height: 280px;
        order: -1;
    }

    .main-circle-wrapper {
        width: 220px;
        height: 220px;
    }

    .center-circle-content {
        width: 180px;
        height: 180px;
        font-size: var(--fs-h6);
        line-height: 1.3;
        padding: 0 15px;
    }

    .solution-tech-col {
        gap: 15px;
    }

    .solution-tech-box {
        width: 100%;
        height: auto;
        min-height: 120px;
    }

    .solution-tech-box h3 {
        font-size: var(--fs-h7);
        padding: 8px 15px;
        height: auto;
        text-align: center;
    }

    .solution-tech-box p {
        font-size: var(--fs-h9);
        line-height: 1.4;
        padding: 8px 15px;
    }

    .tech-desc-dot-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .tech-desc-dot-group p {
        padding: 8px 15px;
        font-size: var(--fs-h9);
    }

    .tech-dot-sep {
        display: none;
    }

    .tech-connection-lines {
        display: none;
    }

    .solution-overview {
        padding: 0 15px;
        margin-top: 80px;
        margin-bottom: 80px;
    }

    .solution-intro {
        margin-bottom: 30px;
    }

    .solution-main-title {
        font-size: var(--fs-h3);
        margin-bottom: 8px;
    }

    .solution-description {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .solution-layout {
        flex-direction: column;
        min-height: auto;
        gap: 30px;
    }

    .solution-column {
        gap: 15px;
    }

    .solution-card {
        width: 100%;
        max-width: 300px;
        height: auto;
        min-height: 100px;
    }

    .solution-card h3 {
        font-size: var(--fs-h7);
        padding: 8px;
        text-align: center;
    }

    .sol-left .solution-card h3 {
        text-align: center;
    }

    .sol-left .solution-card p {
        text-align: left;
    }

    .solution-card p {
        font-size: var(--fs-h9);
        line-height: 18px;
        padding: 8px;
    }

    .solution-circle-col {
        order: -1;
        margin: 20px 0;
    }

    .big-circle-outer {
        width: 180px;
        height: 180px;
    }

    .big-central-circle {
        width: 140px;
        height: 140px;
        font-size: var(--fs-h6);
        line-height: 25px;
    }

    .solution-connection-lines {
        display: none;
    }

    .content-group {
        gap: 5px;
    }

    .dot {
        display: none;
    }

    .content-group p {
        font-size: var(--fs-h9);
        line-height: 16px;
    }

    .timeline-section {
        padding: 0 20px;
        margin-top: 50px;
        margin-bottom: 100px;
        max-width: var(--page-container);
    }

    .timeline-container {
        flex-direction: column;
        gap: 30px;
        padding: 0;

    }

    .timeline-images {
        flex: none;
        width: 100%;
        gap: 20px;
    }


    .timeline-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .timeline-content {
        padding-left: 20px;
    }

    .timeline-content .timeline-line {
        left: 8px;
        height: 99%;
    }

    .timeline-content .timeline-item {
        margin-bottom: 40px;
        max-width: 100%;
    }

    .timeline-content .timeline-item::before {
        left: -18px;
        width: 10px;
        height: 10px;
        top: 5px;
    }

    .timeline-year {
        font-size: var(--fs-h6);
    }

    .timeline-description {
        font-size: var(--fs-h8);
        line-height: 24px;
    }

    .popup {
        max-width: 95%;
        width: 100%;
        height: auto;
        max-height: 90vh;
        overflow-y: auto;
        padding: 20px;
    }

    .popup-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .popup-left-row {
        flex-direction: column;
        gap: 10px;
    }

    .popup-checkbox-grid {
        margin-bottom: 10px;
        gap: 10px;
    }

    .popup-business .popup-checkbox-grid {
        gap: 10px;
    }

    .popup-bottom {
        flex-direction: column;
        gap: 15px;
    }

    .popup-submit {
        width: 100%;
        height: 45px;
    }

    .mini-popup {
        width: 95%;
        height: auto;
        max-height: 90vh;
        overflow-y: auto;
        padding: 20px;
    }

    .contact-section {
        padding: 0 20px;
        margin-top: 50px;
        margin-bottom: 50px;
    }

    .contact-container {
        gap: 20px;
    }

    .map-container {
        height: 300px;
        border-radius: 8px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .info-card,
    .info-card2 {
        padding: 0px 10px;
        height: auto;
        min-height: 100px;
    }

    .info-card2 {
        border-left: none;
        border-top: 1px solid var(--white-soft);
        padding-top: 15px;
    }

    .info-header {
        margin-bottom: 8px;
    }

    .info-icon {
        width: 20px;
        height: 20px;
        margin-right: 10px;
        font-size: var(--fs-h9);
    }

    .info-title {
        font-size: var(--fs-h6);
    }

    .info-content {
        font-size: var(--fs-h9);
        line-height: 1.6;
    }

    .address-section {
        margin-bottom: 15px;
    }

    .korea-address {
        margin-bottom: 10px;
    }

    .contact-phone {
        font-size: var(--fs-h9);
    }

    .featured-container {
        padding: 0 20px;
        margin-top: 0;
    }

    .featured-title {
        font-size: var(--fs-title);
        margin-bottom: 30px;
    }

    .featured-description {
        font-size: var(--fs-h5);
        line-height: 30px;
        margin-bottom: 30px;
    }

    .isometric-container {
        height: 300px;
        margin: 40px auto 30px;
    }

    .section-divider {
        margin-top: -220px;
    }

    .management-section {
        padding: 30px 20px;
    }

    .management-title {
        font-size: var(--fs-h3);
        margin-bottom: 15px;
    }

    .management-subtitle {
        font-size: var(--fs-h5);
        line-height: 30px;
        margin-bottom: 30px;
    }

    .features-list {
        padding: 0 20px;
        margin-top: 40px;
    }

    .feature-item {
        flex-direction: column;
        height: auto;
        width: 100%;
        margin-bottom: 20px;
    }

    .feature-left {
        min-width: auto;
        padding: 5px;
        gap: 15px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        margin: 0;
    }

    .feature-icon img {
        width: 70%;
    }

    .feature-right {
        padding: 15px 20px;
    }

    .feature-title {
        font-size: var(--fs-h6);
        min-width: auto;
        margin-bottom: 10px;
    }

    .feature-description {
        font-size: var(--fs-h7);
        line-height: 25px;
    }

    .portfolio-container {
        padding: 0 15px;
    }

    .title {
        font-size: var(--fs-h3);
        margin-top: 80px;
        margin-bottom: 30px;
    }

    .description {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .tabs-wrapper {
        margin-bottom: 30px;
    }

    .tabs {
        flex-wrap: wrap;
        justify-content: center;
    }

    .tab-button {
        padding: 0px 15px;
        font-size: var(--fs-h8);
        margin: 5px;
    }

    .project-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 0px;
    }

    .project-card-2 {
        padding: 10px;
    }

    .card-title {
        font-size: var(--fs-h9);
        line-height: 1.3;
    }

    .project-description {
        font-size: var(--fs-h10);
        line-height: 1.3;
    }

    /* Border rules for 2 columns mobile - only remove outer borders */
    .project-card-2:nth-child(-n+2) {
        border-top: none;
    }

    .project-card-2:nth-child(2n+1) {
        border-left: none;
        border-right: 1px solid var(--grey-border);
        border-bottom: 1px solid var(--grey-border);
    }

    .project-card-2:nth-child(2n) {
        border-right: none;
        border-bottom: 1px solid var(--grey-border);
    }

    .project-card-2:nth-last-child(-n+2) {
        border-bottom: none;
    }

    /* Partner section responsive */
    .partners-section {
        padding: 40px 0;
    }

    .partner-container {
        padding: 0 20px;
    }

    .section-header {
        padding: 40px 0;
    }

    .section-title-subtitle-wrapper {
        flex-direction: column;
        gap: 15px;
    }

    .section-title2 {
        font-size: var(--fs-h1);
    }

    .section-subtitle {
        font-size: var(--fs-h7);
        line-height: 30px;
        text-align: center;
        margin: 0;
    }

    .na-partner-scroll {
        margin-top: 10px;
    }

    .na-partner-scroll img {
        width: 150px;
        height: 60px;
    }

    .outstanding-section {
        padding: 0;
    }

    .outstanding-title {
        font-size: var(--fs-h3);
        margin-bottom: 30px;
    }

    .outstanding-content {
        position: relative;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }

    .project-item {
        text-align: center;
    }

    .project-item:nth-child(2) .project-title {
        margin-top: 0;
    }

    .project-image-box {
        width: 100%;
        height: auto;
        margin: 0px 0px 30px 0px;
        padding: 15px;
    }

    .project-image {
        width: 100%;
        height: 100%;
        margin-bottom: 15px;
        padding: 5px;
    }

    .project-title {
        font-size: var(--fs-h4);
        margin: 20px 0px 20px 0px;
    }

    .outstanding-navigation-buttons {
        top: 50%;
        height: 400px;
        padding: 0px 20px;
        margin-top: 0px;
        display: none;
    }

    .outstanding-nav-button {
        width: 50px;
        height: 50px;
    }

    .pagination {
        gap: 5px;
        margin: 40px 0;
    }

    .pagination .page-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .pagination .page-btn img {
        width: 16px;
        height: 16px;
    }

    .board-table {
        font-size: 14px;
    }

    .board-table .col-number-text {
        width: 60px;
    }

    .board-table .col-content-text {
        width: auto;
        max-width: 180px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .board-table .col-date-text {
        width: 100px;
    }

    .board-wrapper {
        width: auto;
        margin-top: 20px;
        padding: 0 20px;
    }

    .board-container {
        padding: 0;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .nl-guide-scroll {
        right: 80px;
    }

    #scroll-down::before {
        -webkit-animation: elasticus 3.5s ease-in-out infinite;
        -moz-animation: elasticus 3.5s ease-in-out infinite;
        -o-animation: elasticus 3.5s ease-in-out infinite;
        animation: elasticus 3.5s ease-in-out infinite;
    }

    .company-intro {
        margin: 80px 0;
        gap: 30px;
        padding: 0 40px;
    }

    .intro-image {
        padding: 0;
    }

    .intro-text {
        font-size: var(--fs-h7);
        padding: 0;
    }

    .intro-text p {
        font-size: var(--fs-h7);
    }

    .our-service-section {
        padding: 40px 0 50px;
    }

    .service-header {
        margin-bottom: 60px;
    }

    .section-title {
        font-size: var(--fs-h2);
    }

    .section-subtitle {
        font-size: var(--fs-h7);
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 30px;
    }

    .service-item,
    .service-item2 {
        padding: 40px 40px;
    }

    .outsourcing-section {
        padding: 0 40px;
        margin-top: 60px;
        margin-bottom: 20px;
    }

    .outsourcing-content {
        gap: 0;
    }

    .outsourcing-image {
        width: 300px;
        height: 203px;
    }

    .outsourcing-title {
        font-size: var(--fs-h2);
    }

    .outsourcing-text p {
        font-size: var(--fs-h7);
    }

    .intro-section-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .outsourcing-title {
        font-size: var(--fs-h4);
        line-height: 40px;
        margin-bottom: 25px;
    }

    .outsourcing-description {
        font-size: var(--fs-h7);
        line-height: 1.6;
    }

    .outsourcing-description li {
        font-size: var(--fs-h7);
        margin-bottom: 10px;
    }

    .offer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
        padding: 0 40px;
    }

    .offer-item,
    .offer-item-alt {
        height: 220px;
        padding: 30px 20px;
    }

    .offer-title {
        font-size: var(--fs-h6);
    }

    .service-description {
        font-size: var(--fs-h7);
    }

    .solution-section {
        padding: 0 40px;
        margin-top: 100px;
        margin-bottom: 120px;
    }

    .solution-header {
        margin-bottom: 40px;
    }

    .solution-title {
        font-size: var(--fs-h2);
        line-height: 1.4;
        margin-bottom: 20px;
    }

    .solution-subtitle {
        font-size: var(--fs-h7);
        line-height: 1.5;
        margin-bottom: 60px;
    }

    .solution-flex-graph {
        flex-direction: column;
        min-height: auto;
        gap: 15px;
    }

    .solution-col {
        gap: 15px;
    }

    .solution-col-left,
    .solution-col-right {
        align-items: center;
    }

    .solution-box {
        width: 400px;
        height: 110px;
    }

    .solution-col-left .solution-box h3,
    .solution-col-right .solution-box h3 {
        text-align: center;
    }

    .solution-col-left .solution-box p,
    .solution-col-right .solution-box p {
        text-align: left;
        margin-left: 0;
    }

    .solution-box h3 {
        font-size: var(--fs-h8);
        padding: 6px;
        text-align: center;
    }

    .solution-box p {
        font-size: var(--fs-h9);
        line-height: 18px;
        padding: 6px;
    }

    .solution-circle-col {
        margin: 0 15px;
        order: -1;
    }

    .big-circle-outer {
        width: 160px;
        height: 160px;
    }

    .big-central-circle {
        width: 120px;
        height: 120px;
        font-size: var(--fs-h7);
        line-height: 28px;
    }

    .sol-svg-lines {
        opacity: 0.6;
    }

    .desc-dot-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .desc-dot-group p {
        padding: 8px 20px;
        font-size: var(--fs-h8);
    }

    .dot-sep {
        display: none;
    }

    .solution-center-container {
        width: 200px;
        height: 200px;
        order: -1;
    }

    .main-circle-wrapper {
        width: 200px;
        height: 200px;
    }

    .center-circle-content {
        width: 150px;
        height: 150px;
        font-size: var(--fs-h5);
        line-height: 1.3;
        padding: 0 20px;
    }

    .solution-tech-col {
        gap: 15px;
    }

    .solution-tech-box {
        width: 100%;
        height: auto;
        min-height: 120px;
    }

    .solution-tech-box h3 {
        font-size: var(--fs-h7);
        padding: 8px 20px;
        height: auto;
        text-align: center;
    }

    .solution-tech-box p {
        font-size: var(--fs-h8);
        line-height: 1.4;
        padding: 8px 20px;
    }

    .tech-desc-dot-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .tech-desc-dot-group p {
        padding: 8px 20px;
        font-size: var(--fs-h8);
    }

    .tech-dot-sep {
        display: none;
    }

    .tech-connection-lines {
        display: none;
    }

    .solution-overview {
        padding: 0 30px;
        margin-top: 100px;
    }

    .solution-intro {
        margin-bottom: 35px;
    }

    .solution-main-title {
        font-size: var(--fs-h2);
        margin-bottom: 10px;
    }

    .solution-description {
        font-size: var(--fs-h7);
        line-height: 1.5;
    }

    .solution-column {
        gap: 8px;
    }

    .solution-card {
        width: 240px;
        height: 95px;
    }

    .solution-card h3 {
        font-size: var(--fs-h8);
        padding: 6px;
    }

    .solution-card p {
        font-size: var(--fs-h9);
        line-height: 18px;
        padding: 6px;
    }

    .solution-circle-col {
        margin: 0 15px;
    }

    .big-circle-outer {
        width: 160px;
        height: 160px;
    }

    .big-central-circle {
        width: 120px;
        height: 120px;
        font-size: var(--fs-h7);
        line-height: 28px;
    }

    .solution-connection-lines {
        opacity: 0.6;
    }

    .content-group {
        gap: 8px;
    }

    .content-group p {
        font-size: var(--fs-h9-2);
        line-height: 16px;
    }

    .timeline-section {
        padding: 120px 0 200px;
    }

    .timeline-container {
        gap: 40px;
    }

    .timeline-images {
        flex: 0 0 300px;
        gap: 250px;
    }

    .timeline-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .timeline-content {
        padding-left: 25px;
    }

    .timeline-content .timeline-line {
        left: 12px;
        height: 99%;
    }

    .timeline-content .timeline-item {
        margin-bottom: 50px;
        max-width: 450px;
    }

    .timeline-content .timeline-item::before {
        left: -20px;
        width: 11px;
        height: 11px;
    }

    .timeline-year {
        font-size: var(--fs-h5);
    }

    .timeline-description {
        font-size: var(--fs-h7);
        line-height: 1.5;
    }

    .popup {
        max-width: 90%;
        width: 100%;
        height: auto;
        max-height: 85vh;
        overflow-y: auto;
        padding: 25px;
    }

    .popup-content {
        grid-template-columns: 1fr 1fr;
        gap: 25px;
    }

    .popup-checkbox-grid {
        margin-bottom: 20px;
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .popup-submit {
        width: 100%;
        height: 48px;
    }

    .mini-popup {
        width: 90%;
        height: auto;
        max-height: 85vh;
        overflow-y: auto;
        padding: 25px;
    }

    .popup-type-select .popup-checkbox-grid {
        display: grid;
        gap: 14px;
        margin-bottom: 20px;
    }

    .contact-section {
        padding: 0 40px;
        margin-top: 100px;
        margin-bottom: 500px;
    }

    .contact-container {
        gap: 30px;
    }

    .map-container {
        height: 350px;
        border-radius: 10px;
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .info-card,
    .info-card2 {
        padding: 0px 15px;
        height: 120px;
    }

    .info-card2 {
        border-left: 1px solid var(--white-soft);
        height: 120px;
    }

    .info-header {
        margin-bottom: 10px;
    }

    .info-icon {
        width: 22px;
        height: 22px;
        margin-right: 12px;
        font-size: var(--fs-h10);
    }

    .info-title {
        font-size: var(--fs-h5);
    }

    .info-content {
        font-size: var(--fs-h8);
        line-height: 30px;
    }

    .address-section {
        margin-bottom: 18px;
    }

    .korea-address {
        margin-bottom: 12px;
    }

    .contact-phone {
        font-size: var(--fs-h8);
    }

    .featured-container {
        padding: 0 40px;
        margin-top: 60px;
    }

    .featured-title {
        font-size: var(--fs-h2);
        margin-bottom: 40px;
    }

    .featured-description {
        font-size: var(--fs-h4);
        line-height: 35px;
        margin-bottom: 40px;
    }

    .isometric-container {
        height: 500px;
        margin: 60px auto 40px;
    }

    .section-divider {
        margin-top: -340px;
    }

    .management-section {
        padding: 60px 40px;
    }

    .management-title {
        font-size: var(--fs-h2);
        margin-bottom: 20px;
    }

    .management-subtitle {
        font-size: var(--fs-h4);
        line-height: 35px;
        margin-bottom: 40px;
    }

    .features-list {
        padding: 0 40px;
        margin-top: 60px;
    }

    .feature-item {
        height: 70px;
        width: 100%;
        margin-bottom: 25px;
    }

    .feature-left {
        min-width: 200px;
        gap: 15px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        margin: 0px 0px 0px 20px;
    }

    .feature-icon img {
        width: 65%;
    }

    .feature-right {
        padding: 15px 20px;
    }

    .feature-title {
        font-size: var(--fs-h6);
        min-width: 150px;
    }

    .feature-description {
        font-size: var(--fs-h7);
        line-height: 30px;
    }

    .portfolio-container {
        padding: 0 20px;
    }

    .title {
        font-size: var(--fs-h2);
        margin-top: 120px;
        margin-bottom: 40px;
    }

    .description {
        font-size: var(--fs-h7);
        line-height: 1.5;
    }

    .tabs-wrapper {
        margin-bottom: 40px;
    }

    .tab-button {
        padding: 0px 20px;
        font-size: var(--fs-h7);
    }

    .project-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
    }

    .project-card-2 {
        padding: 18px;
    }

    .card-title {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .project-description {
        font-size: var(--fs-h9);
        line-height: 1.4;
    }

    /* Border rules for 3 columns tablet - only remove outer borders */
    .project-card-2:nth-child(-n+3) {
        border-top: none;
    }

    .project-card-2:nth-child(3n+1) {
        border-right: 1px solid var(--grey-border);
        border-left: none;
    }

    .project-card-2:nth-child(3n) {
        border-right: none;
    }

    .project-card-2:nth-last-child(-n+3) {
        border-bottom: none;
    }

    /* Add border-right for middle cards in tablet */
    .project-card-2:nth-child(3n+2) {
        border-right: 1px solid var(--grey-border);
    }

    .project-card-2:nth-child(5n+1) {
        border-bottom: 1px solid var(--grey-border);
    }

    /* Partner section responsive */
    .partners-section {
        padding: 120px 0;
    }

    .section-header {
        padding: 0 0 50px 0;
    }

    .section-title-subtitle-wrapper {
        gap: 25px;
    }

    .section-title2 {
        font-size: var(--fs-h2);
    }

    .section-subtitle {
        font-size: var(--fs-h7);
        line-height: 1.5;
        margin: 0;
    }

    .na-partner-scroll {
        margin-top: 15px;
    }

    .na-partner-scroll img {
        width: 180px;
        height: 75px;
    }

    .outstanding-section {
        padding: 0;
    }

    .outstanding-title {
        font-size: var(--fs-h2);
        margin-bottom: 40px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 0 40px;
    }

    .project-image-box {
        width: 100%;
        margin: 0px 0px 40px 0px;
        padding: 20px;
    }

    .project-image {
        width: 100%;
        height: 320px;
        margin-bottom: 20px;
        padding: 10px;
    }

    .project-title {
        font-size: var(--fs-h5);
        margin: 30px 0px 30px 0px;
    }

    .outstanding-navigation-buttons {
        top: 60%;
        height: 500px;
        padding: 0px 40px;
        margin-top: 20px;
        display: none;
    }

    .outstanding-nav-button {
        width: 55px;
        height: 55px;
    }

    .pagination {
        gap: 8px;
        margin: 60px 0;
    }

    .pagination .page-btn {
        width: 36px;
        height: 36px;
        font-size: 15px;
        padding: 8px 10px;
    }

    .pagination .page-btn img {
        width: 18px;
        height: 18px;
    }

    .board-table .col-number-text {
        width: 80px;
    }

    .board-table .col-content-text {
        width: auto;
        max-width: 300px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .board-table .col-date-text {
        width: 180px;
    }

    .board-wrapper {
        margin-top: 30px;
        width: auto;
    }

    .board-container {
        padding: 0;
    }

    .popup-left {
        gap: 15px;
    }
}

@media (min-width: 1024px) and (max-width: 1279px) {
    #scroll-down::before {
        -webkit-animation: elasticus 3s ease-in-out infinite;
        -moz-animation: elasticus 3s ease-in-out infinite;
        -o-animation: elasticus 3s ease-in-out infinite;
        animation: elasticus 3s ease-in-out infinite;
    }

    .company-intro {
        margin: 100px 0;
        gap: 35px;
        padding: 0 40px;
    }

    .intro-text {
        font-size: var(--fs-h6);
    }

    .intro-text p {
        font-size: var(--fs-h6);
    }

    .our-service-section {
        padding: 90px 0 120px;
    }

    .service-header {
        margin-bottom: 70px;
    }

    .section-title {
        font-size: var(--fs-title);
    }

    .section-subtitle {
        font-size: var(--fs-h6);
    }

    .service-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 0 40px;
        gap: 0;
    }

    .service-item,
    .service-item2 {
        padding: 40px 30px;
    }

    .outsourcing-section {
        padding: 0 40px;
        margin-top: 110px;
        margin-bottom: 140px;
    }

    .outsourcing-content {
        gap: 70px;
    }

    .outsourcing-image {
        width: 400px;
        height: 270px;
    }

    .outsourcing-title {
        font-size: var(--fs-title);
    }

    .outsourcing-text p {
        font-size: var(--fs-h6);
    }

    .intro-section-content {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        padding: 0 40px;
    }

    .outsourcing-title {
        font-size: var(--fs-h2);
        line-height: 1.4;
        margin-bottom: 30px;
    }

    .outsourcing-description {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .outsourcing-description li {
        font-size: var(--fs-h6);
        margin-bottom: 12px;
    }

    .offer-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
        padding: 0 40px;
    }

    .offer-item,
    .offer-item-alt {
        height: 240px;
        padding: 35px 25px;
    }

    .offer-title {
        font-size: var(--fs-h5);
    }

    .service-description {
        font-size: var(--fs-h6);
    }

    .solution-section {
        padding: 0 40px;
        margin-top: 110px;
        margin-bottom: 140px;
    }

    .solution-header {
        margin-bottom: 50px;
    }

    .solution-title {
        font-size: var(--fs-title);
        line-height: 1.4;
        margin-bottom: 25px;
    }

    .solution-subtitle {
        font-size: var(--fs-h6);
        line-height: 1.6;
        margin-bottom: 80px;
    }

    .solution-flex-graph {
        min-height: 500px;
        gap: 25px;
    }

    .solution-col {
        gap: 15px;
    }

    .solution-box {
        width: 320px;
        height: 110px;
    }

    .solution-box h3 {
        font-size: var(--fs-h6);
        padding: 6px;
    }

    .solution-box p {
        font-size: var(--fs-h8);
        line-height: 20px;
    }

    .solution-circle-col {
        margin: 0 20px;
    }

    .big-circle-outer {
        width: 220px;
        height: 220px;
    }

    .big-central-circle {
        width: 160px;
        height: 160px;
        font-size: var(--fs-h4);
        line-height: 30px;
    }

    .sol-svg-lines {
        opacity: 0.8;
    }

    .desc-dot-group {
        flex-direction: row;
        align-items: flex-start;
    }

    .desc-dot-group p {
        padding: 8px 25px;
        font-size: var(--fs-h8);
    }

    .dot-sep {
        display: block;
    }

    .solution-center-container {
        width: 360px;
        height: 360px;
    }

    .main-circle-wrapper {
        width: 300px;
        height: 300px;
    }

    .center-circle-content {
        width: 240px;
        height: 240px;
        font-size: var(--fs-h4);
        line-height: 1.3;
        padding: 0 25px;
    }

    .solution-tech-col {
        gap: 15px;
    }

    .solution-tech-box {
        width: 480px;
        height: 110px;
    }

    .solution-tech-box h3 {
        font-size: var(--fs-h6);
        padding: 8px 25px;
        height: 45px;
    }

    .solution-tech-box p {
        font-size: var(--fs-h8);
        line-height: 1.5;
        padding: 8px 25px;
    }

    .tech-desc-dot-group p {
        padding: 8px 100px 8px 0px;
        font-size: var(--fs-h8);
    }

    .tech-dot-sep {
        margin: 18px 10px 0px 20px;
    }

    .solution-overview {
        padding: 0 40px;
        margin-top: 110px;
    }

    .solution-intro {
        margin-bottom: 40px;
    }

    .solution-main-title {
        font-size: var(--fs-title);
        margin-bottom: 12px;
    }

    .solution-description {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .solution-layout {
        min-height: 500px;
        gap: 25px;
    }

    .solution-column {
        gap: 15px;
    }

    .solution-card {
        width: 320px;
        height: 110px;
    }

    .solution-card h3 {
        font-size: var(--fs-h6);
        padding: 6px;
    }

    .solution-card p {
        font-size: var(--fs-h8);
        line-height: 20px;
    }

    .solution-circle-col {
        margin: 0 20px;
    }

    .big-circle-outer {
        width: 220px;
        height: 220px;
    }

    .big-central-circle {
        width: 160px;
        height: 160px;
        font-size: var(--fs-h4);
        line-height: 30px;
    }

    .solution-connection-lines {
        opacity: 0.8;
    }

    .content-group {
        gap: 10px;
    }

    .content-group p {
        font-size: var(--fs-h8);
        line-height: 18px;
    }

    .timeline-section {
        padding: 130px 0 250px;
    }

    .timeline-container {
        gap: 50px;
    }

    .timeline-images {
        flex: 0 0 350px;
        gap: 300px;
    }

    .timeline-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .timeline-content {
        padding-left: 30px;
    }

    .timeline-content .timeline-line {
        left: 15px;
        height: 98%;
    }

    .timeline-content .timeline-item {
        margin-bottom: 60px;
        max-width: 500px;
    }

    .timeline-content .timeline-item::before {
        left: -25px;
        width: 12px;
        height: 12px;
    }

    .timeline-year {
        font-size: var(--fs-h5);
    }

    .timeline-description {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .popup {
        max-width: 85%;
        width: 100%;
        height: auto;
        max-height: 80vh;
        overflow-y: auto;
        padding: 30px;
    }

    .popup-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .popup-checkbox-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    .popup-submit {
        width: 100%;
        height: 50px;
    }

    .mini-popup {
        width: 85%;
        height: auto;
        max-height: 80vh;
        overflow-y: auto;
        padding: 30px;
    }

    .contact-section {
        padding: 25px;
    }

    .contact-container {
        gap: 35px;
    }

    .map-container {
        height: 400px;
        border-radius: 12px;
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }

    .info-card,
    .info-card2 {
        padding: 0px 20px;
        height: 125px;
    }

    .info-card2 {
        border-left: 1px solid var(--white-soft);
        height: 125px;
    }

    .info-header {
        margin-bottom: 12px;
    }

    .info-icon {
        width: 24px;
        height: 24px;
        margin-right: 15px;
        font-size: var(--fs-h9);
    }

    .info-title {
        font-size: var(--fs-h5);
    }

    .info-content {
        font-size: var(--fs-h8);
        line-height: 1.8;
    }

    .address-section {
        margin-bottom: 20px;
    }

    .korea-address {
        margin-bottom: 15px;
    }

    .contact-phone {
        font-size: var(--fs-h8);
    }

    .featured-container {
        padding: 0 40px;
        margin-top: 100px;
    }

    .featured-title {
        font-size: var(--fs-title);
        margin-bottom: 45px;
    }

    .featured-description {
        font-size: var(--fs-h3);
        line-height: 38px;
        margin-bottom: 45px;
    }

    .isometric-container {
        height: 450px;
        margin: 40px auto 45px;
    }

    .isometric-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        max-width: 100%;
        max-height: 100%;
    }

    .section-divider {
        margin-top: -400px;
    }

    .management-section {
        padding: 100px 40px;
    }

    .management-title {
        font-size: var(--fs-h2);
        margin-bottom: 25px;
    }

    .management-subtitle {
        font-size: var(--fs-h3);
        line-height: 38px;
        margin-bottom: 45px;
    }

    .features-list {
        padding: 0 40px;
    }

    .feature-item {
        height: 75px;
        width: 100%;
        margin-bottom: 28px;
    }

    .feature-left {
        min-width: 400px;
        gap: 20px;
    }

    .feature-icon {
        width: 90px;
        height: 90px;
        margin: 0px 0px 0px 80px;
    }

    .feature-icon img {
        width: 65%;
    }

    .feature-right {
        padding: 20px 25px;
    }

    .feature-title {
        font-size: var(--fs-h4);
        min-width: 160px;
    }

    .feature-description {
        font-size: var(--fs-h5);
        line-height: 32px;
    }

    .portfolio-container {
        padding: 0 30px;
    }

    .title {
        font-size: var(--fs-h2);
        margin-top: 150px;
        margin-bottom: 50px;
    }

    .description {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .tabs-wrapper {
        margin-bottom: 50px;
    }

    .tab-button {
        padding: 0px 25px;
        font-size: var(--fs-h6);
    }

    .project-list {
        grid-template-columns: repeat(5, 1fr);
        gap: 1px;
    }

    .project-card-2 {
        padding: 18px;
    }

    .card-title {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .project-description {
        font-size: var(--fs-h9);
        line-height: 1.4;
    }

    /* Border rules for 5 columns laptop - only remove outer borders */
    .project-card-2:nth-child(-n+5) {
        border-top: none;
    }

    .project-card-2:nth-child(5n+1) {
        border-left: none;
    }

    .project-card-2:nth-child(5n) {
        border-right: none;
    }

    .project-card-2:nth-last-child(-n+5) {
        border-bottom: none;
    }

    /* Partner section responsive */
    .partners-section {
        padding: 140px 60px;
    }

    .section-header {
        padding: 0px 60px 120px 60px;
    }

    .section-title-subtitle-wrapper {
        gap: 30px;
    }

    .section-title2 {
        font-size: var(--fs-h1);
    }

    .section-subtitle {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .na-partner-scroll {
        margin-top: 20px;
    }

    .na-partner-scroll img {
        width: 200px;
        height: 85px;
    }

    .outstanding-section {
        padding: 100px 60px;
    }

    .outstanding-title {
        font-size: var(--fs-h1);
        margin-bottom: 50px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
        padding: 0 60px;
    }

    .project-image-box {
        width: 100%;
        margin: 0px 0px 50px 0px;
        padding: 25px;
    }

    .project-image {
        width: 100%;
        height: 360px;
        margin-bottom: 25px;
        padding: 15px;
    }

    .project-title {
        font-size: var(--fs-h4);
        margin: 40px 0px 40px 0px;
    }

    .outstanding-navigation-buttons {
        top: 65%;
        height: 550px;
        padding: 0px 60px;
        margin-top: 30px;
    }

    .outstanding-nav-button {
        width: 60px;
        height: 60px;
    }

    .pagination {
        gap: 10px;
        margin: 80px 0;
    }

    .pagination .page-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .pagination .page-btn img {
        width: 20px;
        height: 20px;
    }

    .board-table .col-number-text {
        width: 90px;
    }

    .board-table .col-content-text {
        width: 400px;
    }

    .board-table .col-date-text {
        width: 100px;
    }

    .board-wrapper {
        margin-top: 40px;
    }

    .board-container {
        width: 85%;
        padding: 30px;
    }
}

@media (min-width: 1280px) {
    .popup-left {
        gap: 17px;
    }

    .company-intro {
        margin: 110px 0;
        gap: 40px;
    }

    .intro-text {
        font-size: var(--fs-h6);
    }

    .intro-text p {
        font-size: var(--fs-h6);
    }

    .our-service-section {
        padding: 100px 0 150px;
    }

    .service-header {
        margin-bottom: 77px;
    }

    .section-title {
        font-size: var(--fs-title);
    }

    .section-title2 {
        font-size: var(--fs-h2);
        line-height: 73px;
    }

    .service-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 0 40px;
        gap: 0;
    }

    .service-item,
    .service-item2 {
        padding: 50px 50px;
    }

    .outsourcing-section {
        padding: 0 40px;
        margin-top: 110px;
        margin-bottom: 113px;
    }

    .outsourcing-content {
        gap: 80px;
    }

    .outsourcing-image {
        width: 500px;
        height: 338px;
    }

    .outsourcing-title {
        font-size: var(--fs-title);
    }

    .outsourcing-text p {
        font-size: var(--fs-h6);
    }

    .solution-section {
        padding: 0 40px;
        margin-top: 123px;
        margin-bottom: 107px;
    }

    .solution-header {
        margin-bottom: 40px;
    }

    .solution-title {
        font-size: var(--fs-title);
        line-height: 73px;
        margin-bottom: 28px;
    }

    .solution-subtitle {
        font-size: var(--fs-h6);
        font-weight: 500;
        margin-bottom: 108px;
    }

    .solution-flex-graph {
        min-height: 550px;
        gap: 30px;
    }

    .solution-col {
        gap: 10px;
    }

    .solution-box {
        width: 340px;
        height: 130px;
    }

    .solution-box h3 {
        font-size: var(--fs-h6);
        padding: 6px;
    }

    .solution-box p {
        font-size: var(--fs-h8);
        line-height: 20px;
    }

    .solution-circle-col {
        margin: 0 25px;
    }

    .big-circle-outer {
        width: 240px;
        height: 240px;
    }

    .big-central-circle {
        width: 178px;
        height: 178px;
        font-size: var(--fs-h3);
        line-height: 35px;
    }

    .sol-svg-lines {
        opacity: 1;
    }

    .desc-dot-group {
        flex-direction: row;
        align-items: flex-start;
    }

    .desc-dot-group p {
        padding: 8px 0px 8px 0px;
        font-size: var(--fs-h8);
    }

    .dot-sep {
        display: block;
    }

    .solution-overview {
        padding: 0 40px;
        margin-top: 123px;
    }

    .solution-intro {
        margin-bottom: 40px;
    }

    .solution-main-title {
        font-size: var(--fs-title);
        margin-bottom: 10px;
    }

    .solution-description {
        font-size: var(--fs-h6);
        line-height: 1.6;
    }

    .solution-layout {
        min-height: 550px;
        gap: 30px;
    }

    .solution-column {
        gap: 10px;
    }

    .solution-card {
        width: 340px;
        height: 110px;
    }

    .solution-card h3 {
        font-size: var(--fs-h7);
        padding: 6px 6px 6px 17px;
    }

    .solution-card p {
        font-size: var(--fs-h8);
        line-height: 20px;
    }

    .solution-circle-col {
        margin: 0 25px;
    }

    .big-circle-outer {
        width: 240px;
        height: 240px;
    }

    .big-central-circle {
        width: 178px;
        height: 178px;
        font-size: var(--fs-h3);
        line-height: 35px;
    }

    .solution-connection-lines {
        opacity: 1;
    }

    .content-group {
        gap: 10px;
    }

    .content-group p {
        font-size: var(--fs-h8);
        line-height: 20px;
    }

    .timeline-section {
        margin-top: 148px;
        margin-bottom: 250px;
        padding: 0 40px;
        max-width: var(--page-container);
    }

    .timeline-container {
        padding: 0;
        gap: 60px;
    }

    .timeline-images {
        flex: 0 0 400px;
        gap: 380px;
    }

    .timeline-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .timeline-content {
        padding-left: 32px;
    }

    .timeline-content .timeline-line {
        left: 15px;
        height: 99%;
    }

    .timeline-content .timeline-item {
        margin-bottom: 67px;
        max-width: 550px;
    }

    .timeline-content .timeline-item::before {
        left: -25px;
        width: 12px;
        height: 12px;
    }

    .timeline-year {
        font-size: var(--fs-h3);
    }

    .timeline-description {
        font-size: var(--fs-h6);
        line-height: 34px;
    }

    .popup {
        max-width: 894px;
        width: 100%;
        height: auto;
        padding: 30px;
    }

    .popup-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .popup-checkbox-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    .popup-submit {
        width: 260px;
        height: 50px;
    }

    .mini-popup {
        width: 894px;
        height: 728px;
        padding: 30px;
    }

    .popup-type-select .popup-checkbox-grid {
        gap: 20px;

        .board-table .col-number-text {
            width: 100px;
        }

        .board-table .col-content-text {
            width: 500px;
        }

        .board-table .col-date-text {
            width: 50px;
        }

        .board-table .col-number-text {
            width: 100px;
        }

        .board-table .col-content-text {
            width: 500px;
        }

        .board-table .col-date-text {
            width: 50px;
        }

        .board-wrapper {
            margin-top: 50px;
        }

        .board-container {
            width: 80%;
            padding: 40px;
        }
    }

    .contact-section {
        padding: 0 40px;
        margin-top: 165px;
        margin-bottom: 345px;
        max-width: var(--page-container);
    }

    .contact-container {
        gap: 101px;
    }

    .map-container {
        height: 400px;
        border-radius: 12px;
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 0px;
    }

    .info-card,
    .info-card2 {
        padding: 0px 15px;
        height: 130px;
    }

    .info-card2 {
        border-left: 1px solid var(--white-soft);
        height: 130px;
    }

    .info-header {
        margin-bottom: 16px;
    }

    .info-icon {
        width: 30px;
        height: 30px;
        margin-right: 15px;
    }

    .info-title {
        font-size: var(--fs-h5);
    }

    .info-content {
        font-size: var(--fs-h8);
        line-height: 1.8;
    }

    .address-section {
        line-height: 30px;
        font-size: var(--fs-h7);
        font-weight: 400;
        margin-bottom: 30px;
    }

    .korea-address {
        margin-bottom: 30px;
    }

    .korea-address p {
        line-height: 30px;
        font-size: var(--fs-h7);
        font-weight: 400;
    }

    .contact-phone {
        font-size: var(--fs-h7);
    }

    .featured-container {
        padding: 0 40px;
        margin-top: 100px;
    }

    .featured-title {
        font-size: var(--fs-title);
        margin-bottom: 50px;
    }

    .featured-description {
        font-size: var(--fs-h3);
        line-height: 40px;
        margin-bottom: 130px;
    }

    .isometric-container {
        margin: 70px auto 200px;
    }

    .section-divider {
        margin-top: -600px;
    }

    .management-section {
        padding: 100px;
    }

    .management-title {
        font-size: var(--fs-h2);
        margin-bottom: 20px;
    }

    .management-subtitle {
        font-size: var(--fs-h3);
        line-height: 40px;
        margin-bottom: 48px;
    }

    .features-list {
        padding: 0 40px;
    }

    .feature-item {
        height: 80px;
        width: 100%;
        margin-bottom: 28px;
    }

    .feature-left {
        min-width: 465px;
        gap: 20px;
    }

    .feature-icon {
        width: 100px;
        height: 100px;
        margin: 0px 0px 0px 90px;
    }

    .feature-icon img {
        width: 60%;
    }

    .feature-right {
        padding: 20px 25px;
    }

    .feature-title {
        font-size: var(--fs-h4);
        min-width: 180px;
    }

    .feature-description {
        font-size: var(--fs-h5);
        line-height: 33px;
    }

    .portfolio-container {
        padding: 0 40px;
    }

    .title {
        font-size: var(--fs-h2);
        margin-top: 146px;
        margin-bottom: 48px;
    }

    .description {
        font-size: var(--fs-h3);
        line-height: 1.6;
    }

    .tabs-wrapper {
        margin-bottom: 58px;
    }

    .tab-button {
        padding: 0px 25px;
        font-size: var(--fs-h6);
    }

    .project-list {
        grid-template-columns: repeat(5, 1fr);
        gap: 1px;
    }

    .project-card-2 {
        padding: 38px;
    }

    .card-title {
        font-size: var(--fs-h8);
        line-height: 1.4;
    }

    .project-description {
        font-size: var(--fs-h9);
        line-height: 1.4;
    }

    /* Border rules for 5 columns desktop - only remove outer borders */
    .project-card-2:nth-child(-n+5) {
        border-top: none;
    }

    .project-card-2:nth-child(5n+1) {
        border-left: none;
    }

    .project-card-2:nth-last-child(-n+5) {
        border-bottom: none;
    }

    /* Partner section responsive */
    .partners-section {
        padding: 120px 0;
    }

    .section-header {
        padding: 0 0 100px;
    }

    .section-title-subtitle-wrapper {
        gap: 40px;
    }

    .section-title2 {
        font-size: var(--fs-h2);
    }

    .section-subtitle {
        font-size: var(--fs-h6);
        line-height: 40px;
    }

    .na-partner-scroll {
        margin-top: 20px;
    }

    .na-partner-scroll img {
        width: 236px;
        height: 100px;
    }

    .outstanding-title {
        font-size: var(--fs-h2);
        margin-bottom: 60px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px;
        padding: 0 80px;
    }

    .project-image-box {
        margin: 0px 0px 153px 0px;
    }

    .project-image {
        width: 100%;
        margin-bottom: 20px;
        padding: 10px;
    }

    .project-title {
        font-size: var(--fs-title);
        margin: 94px 0 40px 0px;
    }

    .outstanding-navigation-buttons {
        top: 75%;
        height: 700px;
        padding: 0px 70px;
        margin-top: 62px;
    }

    .outstanding-nav-button {
        width: 60px;
        height: 60px;
    }

    .pagination {
        gap: 12px;
        margin: 100px 0;
    }

    .pagination .page-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
        padding: 10px 12px;
    }

    .pagination .page-btn img {
        width: 22px;
        height: 22px;
    }
}

@media (min-width: 1025px) {

    .nasubmenu-container {
        display: grid;
        grid-template-columns: 118px 118px 118px 106px 118px 1fr;
        justify-content: space-between;
        padding: 30px 170px 30px 318px;
        max-width: 1200px;
        margin: 0 auto;
        gap: 0 !important;
    }

    .nasubmenu-column {
        flex: 1;
        min-width: 0;
    }

    .nasubmenu-item {
        list-style: none;
        margin-bottom: 12px;
    }

    .nasubmenu-link {
        display: inline-block;
        color: #505050;
        padding: 0;
        text-decoration: none;
        font-size: var(--fs-h9);
        font-weight: 400;
        position: relative;
        text-align: center;
        border-bottom: 1px solid transparent;
        transition: color 0.7s ease;
    }

    .nasubmenu-link:hover,
    .nasubmenu-link.active {
        color: var(--second-color);
    }

    .nasubmenu-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 1px;
        background-color: var(--second-color);
        transform: scaleX(0);
        transform-origin: center;
        transition: transform 0.7s ease;
    }

    .nasubmenu-link:hover::after {
        transform: scaleX(1);
    }

    .nasubmenu-link.active::after {
        transform: scaleX(1);
    }

}

@media (min-width: 1600px) {
    .section-divider {
        margin-top: -760px;
    }
}

@media (min-width: 2000px) {
    .section-divider {
        margin-top: -800px;
    }
}

#uploaded-file-list {
    margin-top: 10px;
    max-height: 50px;
    max-width: 358px;
    overflow-y: auto;
}

.uploaded-file {
    display: flex;
    align-items: center;
    border-radius: 6px;
    font-size: var(--fs-h8);
}

.uploaded-file img {
    width: 16px;
    height: 16px;
    margin-right: 8px;
}

.file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
}

.delete-file {
    width: 16px;
    height: 16px;
    cursor: pointer;
}