.main-section {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.section-title {
    margin-bottom: 30px;
    font-family: 'Urbanist', sans-serif;
}

.section-title.en {
    line-height: 1.4;
    font-family: 'Pretendard', sans-serif;
    font-weight: 700;
}

.section-subtitle {
    color: #8C959F;
    font-family: 'Urbanist', sans-serif;
    font-weight: 600;
    font-size: var(--font-md);
}

.section-desc {
    font-size: var(--font-xl);
    font-weight: 400;
    opacity: 0.8;
    margin-bottom: 80px;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-header .section-desc {
    margin-bottom: 0;
}

@media (max-width: 1670px) {
    .section-container {
        margin: 0 30px;
    }

    .section-title {
        font-size: 52px;
    }
}

@media (max-width: 1280px) {
    .section-title {
        font-size: 45px;
    }

    .section-desc {
        font-size: var(--font-lg);
    }
}

@media (max-width: 786px) {
    .section-title {
        font-size: 40px;
        margin-bottom: 20px;
    }

}

@media (max-width: 480px) {
    .section-container {
        margin: 0;
    }

    .section-title {
        font-size: 35px;
        margin-bottom: 10px;
    }

    .section-desc {
        font-size: var(--font-base);
    }

    .bg-btn {
        width: auto;
        min-width: 220px !important;
        padding: 12px 28px !important;
    }
}

/***********************
  hero-section section-1 
 ***********************/

.hero-section {
    position: relative;
    transition: all 0.1s ease;
    overflow: hidden;
}

.hero-section .section-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 100px 0;
}

.hero-title {
    margin-bottom: 15px;
    text-align: left;
    font-size: 87px;
    line-height: 1.25;
}

.hero-desc {
    text-align: left;
    color: rgba(255, 255, 255, 0.8);
}

.slide-1 {
    background-image: url('../../img/bg/bg-main-hero01.jpg');
}

.slide-2 {
    background-image: url('../../img/bg/bg-main-hero02.jpg');
}

.slide-3 {
    background-image: url('../../img/bg/bg-main-hero03.jpg');
}

.slide-4 {
    background-image: url('../../img/bg/bg-main-hero04.jpg');
}

.hero-slides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-slides .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    will-change: transform, opacity;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
}

.hero-slides .slide.active {
    pointer-events: auto;
    z-index: 2;
}

.hero-slider-bars {
    display: flex;
    margin-top: 80px;
}

.hero-slider-bars .bar {
    width: 110px;
    height: 3px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
}

.hero-slider-bars .bar.active {
    background-color: white;
}

.hero-slider-bars .bar:hover {
    background-color: rgba(255, 255, 255, 0.6);
}

.scroll-guide {
    position: absolute;
    bottom: 60px;
    right: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.scroll-text {
    margin-bottom: 10px;
    writing-mode: vertical-lr;
    text-orientation: mixed;
    transform: rotate(180deg);
    color: white;
    font-size: var(--font-sm);
    font-family: 'Poppins', sans-serif;
    letter-spacing: 2px;
}

.scroll-line {
    width: 2px;
    height: 80px;
    background-color: white;
}

.scroll-dot {
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
}

@media (max-width: 1440px) {
    .hero-title {
        font-size: 70px;
    }
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 50px;
    }
}

@media (max-width: 480px) {
    .hero-section .section-container {
        padding: 70px 20px;
    }

    .scroll-guide {
        display: none;
    }

    .hero-title {
        font-size: 34px;
        margin-bottom: 20px;
    }

    .hero-desc {
        font-size: 15px;
        margin-bottom: 10px;
    }

    .hero-slider-bars {
        width: 100%;
        padding: 0 20px;
        margin-top: 30px;
    }

    .hero-slider-bars .bar {
        height: 4px;
        margin: 0 4px;
        background-color: rgba(255, 255, 255, 0.3);
    }
}

/***********************
        section-2
 ***********************/
.section-2 {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.section-2 .section-container {
    padding: 80px 0;
}

.section-content-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.gradient-title {
    text-align: right;
    font-size: 114px;
    font-weight: 700;
    line-height: 1.2;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.title-line-top,
.title-line-bottom {
    background: linear-gradient(to right, #FF7D14, #FFBB84);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-line-bottom {
    margin-right: 350px;
}

.section-2 .section-desc {
    margin: 0;
    margin-right: 300px;
    text-align: left;
    font-size: 24px;
    font-weight: 600;
    color: #57606A;
    line-height: 1.6;
    transform: translateY(50px);
    transition: all 0.8s ease 0.2s;
}

.section-2 .section-desc strong {
    color: #24292F;
}

.section-2.active .section-title,
.section-2.active .section-desc {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1280px) {
    .gradient-title {
        font-size: 80px;
    }

    .section-2 .section-desc {
        font-size: var(--font-xl);
        margin-right: 200px;
    }

    .title-line-bottom {
        margin-right: 200px;
    }
}

@media (max-width: 768px) {
    .section-content-wrap {
        align-items: center;
    }

    .gradient-title {
        font-size: 56px;
        text-align: center;
    }

    .title-line-bottom {
        margin-right: 0;
    }

    .section-2 .section-desc {
        margin-right: 0;
        text-align: center;
        font-size: var(--font-md);
    }
}

@media (max-width: 480px) {
    .section-2 .section-container {
        padding-bottom: 100px;
    }
}

/***********************
        section-3
 ***********************/
.section-wrapper {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.section-3 .fixed-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40%;
    height: 40%;
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
    background: url('../../img/bg/bg-creative.jpg') no-repeat center center;
    background-size: cover;
    transition: transform 0.6s ease, width 0.6s ease, height 0.6s ease;
    z-index: 0;
    pointer-events: none;
    will-change: transform, opacity;
}

.section-3 .section-title {
    font-size: 93px;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-3 .section-desc {
    font-size: 26px;
}

body.is-edge .fixed-bg {
    transform: translate(0%, 0%) scale(1);
    transform-origin: center center;
}

@media (max-width: 1024px) {
    .section-3 .section-title {
        font-size: 65px;
    }
}

@media (max-width: 768px) {
    .section-3 .section-title {
        font-size: 50px;
    }

    .section-3 .section-desc {
        font-size: var(--font-md);
    }
}

@media (max-width: 480px) {
    .section-3 .section-title {
        font-size: 45px;
        font-weight: 600;
    }

    .section-3 .section-desc {
        font-weight: 600;
        font-size: var(--font-md);
    }

    .section-3 .fixed-bg {
        width: 80vh;
        height: 80vh;
        opacity: 0.7;
    }
}

/***********************
        section-4
 ***********************/
.section-4 {
    position: relative;
    overflow: hidden;
}

.section-4 .core-card-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.en-core-card-list .core-card-content p {
    padding: 0 20px;
    font-size: 24px;
    line-height: 1.5;
}

.core-card {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.core-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.bg-1 .core-card-bg {
    background-image: url('../../img/bg/core-bg1.jpg');
}

.bg-2 .core-card-bg {
    background-image: url('../../img/bg/core-bg2.jpg');
}

.bg-3 .core-card-bg {
    background-image: url('../../img/bg/core-bg3.jpg');
}

.bg-4 .core-card-bg {
    background-image: url('../../img/bg/core-bg4.jpg');
}

.bg-5 .core-card-bg {
    background-image: url('../../img/bg/core-bg5.jpg');
}

.core-card-bg {
    transition: all 0.8s ease;
}

.core-card:hover .core-card-bg {
    transform: scale(1.06) rotate(0.2deg);
}

.core-card-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.core-card-content p {
    margin-top: 30px;
    color: white;
    font-size: 32px;
    font-weight: 600;
}

.core-card-number {
    width: 40px;
    height: 40px;
    padding: 6px 13px;
    background-color: white;
    border-radius: 100px;
    font-size: var(--font-xl);
}

@media (max-width: 1024px) {
    .core-card-content p {
        font-size: 26px;
    }

    .core-card-number {
        width: 36px;
        height: 36px;
        font-size: var(--font-lg);
    }
}

@media (max-width: 768px) {
    .core-card {
        height: auto;
        padding: 60px 0;
        flex-direction: column;
        text-align: center;
    }

    .core-card-content p {
        font-size: var(--font-xl);
        line-height: 1.5;
        margin-top: 20px;
    }

    .en-core-card-list .core-card-content p {
        font-size: var(--font-md);
    }

    .core-card-number {
        width: 32px;
        height: 32px;
        padding: 3px 10px;
        font-size: var(--font-md);
    }
}

@media (max-width: 480px) {
    .core-card {
        height: auto;
        padding: 40px 0;
        min-height: 235px;
    }

    .core-card-number {
        width: 28px;
        height: 28px;
        padding: 3px 8px;
        font-size: var(--font-sm);
    }
}

/***********************
       section-5
 ***********************/
.section-5 {
    background-image: url('../../img/bg/bg-main-products.jpg');
}

.section-5 .section-container {
    padding-bottom: 0;
}

.tabs {
    display: flex;
    gap: 120px;
    margin-top: 40px;
}

.tab-sidebar {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-top: 20px;
}

.tab-menu {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tab-menu.en {
    flex-wrap: wrap;
    margin: 0 20px;
}

.tab-menu li {
    padding: 0 10px;
    color: #8C959F;
    font-size: var(--font-xl);
    font-weight: 300;
    cursor: pointer;
    white-space: nowrap;
}

.tab-menu li.active {
    font-weight: 600;
    border-left: 3px solid #264FA5;
    color: #264FA5;
}

.tab-menu li:hover {
    color: #264FA5;
    font-weight: 500;
    border-left: 3px solid #264FA5;
    transition: all 0.3s ease;
}

.tab-controls {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.tab-controls button {
    background: none;
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.tab-controls button img {
    width: 60px;
    height: auto;
}

.tab-controls button:hover img {
    transform: scale(1.1);
    transition: transform 0.5s ease;
}

.tab-content {
    display: flex;
    overflow: hidden;
}

.tab-content-inner {
    display: flex;
    align-items: flex-end;
    transition: transform 0.3s ease;
}

.product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin-right: 30px;
    flex: 0 0 320px;
    max-width: 320px;
    height: 500px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.product-card img {
    display: block;
    margin: 0 auto 20px;
    width: 280px;
    height: 233px;
    min-height: 233px;
    opacity: 0.4;
    transition: all 0.4s ease;
}

.product-info {
    padding: 0 0 160px 0;
    text-align: center;
    transition: all 0.9s ease;
    box-sizing: border-box;
}

.card-title {
    margin-bottom: 14px;
    color: #AFB8C1;
    font-size: var(--font-lg);
    font-weight: 600;
    overflow-wrap: anywhere;
    transition: all 0.4s ease;
}

.card-desc {
    display: none;
    font-size: var(--font-md);
    color: #6E7781;
    transition: all 0.4s ease;
    overflow-wrap: anywhere;
}

.product-card.active,
.product-card:hover {
    flex: 0 0 390px;
    max-width: 390px;
    height: 600px;
    cursor: pointer;
}

.product-card.active .product-info,
.product-card:hover .product-info {
    padding: 0 0 105px 0;
}

.product-card.active img,
.product-card:hover img {
    opacity: 1;
}

.product-card.active img {
    width: 350px;
    height: 292px;
}

.tab-content.en .product-card.active .card-title,
.tab-content.en .product-card:hover .card-title {
    font-size: 23px;
}

.product-card.active,
.product-card:hover {
    background: linear-gradient(to bottom,
            rgba(44, 105, 233, 0) 60%,
            rgba(44, 105, 233, 0.15) 100%);
}

.product-card.active .card-title,
.product-card:hover .card-title {
    font-size: 26px;
    font-weight: 700;
    color: #264FA5;
}

.product-card.active .card-desc,
.product-card:hover .card-desc {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 1024px) {
    .tabs {
        gap: 80px;
    }

    .product-card {
        margin-right: 20px;
    }

    .card-title {
        font-size: var(--font-lg);
    }

    .product-card.active .card-title,
    .product-card:hover .card-title {
        font-size: var(--font-2xl);
    }

    .product-info {
        padding: 0 20px;
        height: 250px;
    }

    .card-desc {
        margin-top: 10px;
        font-size: var(--font-base);
    }

    .tab-controls button img {
        width: 50px;
    }
}

@media (max-width: 768px) {

    .tabs {
        gap: 50px;
    }

    .tab-content {
        overflow-x: auto;
    }

    .product-card {
        max-width: 280px;
    }

    .product-card.active,
    .product-card:hover {
        max-width: 350px;
    }

    .product-card img {
        width: 245px;
        height: 180px;
    }

    .product-card.active img {
        width: 300px;
        height: 200px;
    }

    .tab-menu li {
        font-size: var(--font-md);
    }

    .product-info {
        height: 220px;
    }

    .card-title {
        font-size: var(--font-md);
        white-space: normal;
    }

    .product-card.active .card-title,
    .product-card:hover .card-title {
        font-size: var(--font-lg);
    }
}

@media (max-width: 480px) {

    .section-header {
        padding: 0 20px;
    }

    .section-5 .section-title {
        font-size: var(--font-xl);
        line-height: 1.4;
        margin: 0;
    }

    .section-5 .section-subtitle {
        font-size: var(--font-sm);
    }

    .tabs {
        margin: 0;
        flex-direction: column;
        gap: 10px;
    }

    .tab-sidebar {
        align-items: center;
        margin-top: 30px;
        gap: 10px;
    }

    .tab-menu {
        flex-direction: row;
        gap: 10px;
    }

    .tab-menu li {
        font-size: var(--font-base);
        padding: 4px 8px;
        border-left: none !important;
        border-bottom: 2px solid transparent;
    }

    .tab-menu li.active,
    .tab-menu li:hover {
        border-bottom: 2px solid #264FA5;
        font-weight: 600;
        color: #264FA5;
    }

    .tab-controls {
        margin-top: 5px;
        gap: 10px;
    }

    .tab-controls button img {
        width: 38px;
    }

    .product-info {
        height: 175px;
    }

    .card-title {
        font-size: var(--font-base);
    }

    .card-desc {
        font-size: var(--font-sm);
    }

    .product-card {
        max-width: 250px;
        height: 400px;
        margin-right: 10px;
    }

    .product-card.active,
    .product-card:hover {
        max-width: 250px;
        height: 450px;
    }

    .tab-content.en .product-card.active .card-title,
    .tab-content.en .product-card:hover .card-title {
        font-size: var(--font-base);
    }

    .product-card.active img,
    .product-card img {
        width: 200px;
        height: 180px;
        min-height: 180px;
    }

    .product-card.active .product-info,
    .product-card:hover .product-info {
        padding: 0 0 20px;
    }

    .product-card.active .card-title,
    .product-card:hover .card-title {
        font-size: var(--font-md);
    }
}

/***********************
       section-6
 ***********************/
.section-6 {
    background-image: url('../../img/bg/bg-main-our-data.jpg');
}

.about-layout {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

.section-6 .section-header {
    flex: 1;
}

.section-6 .section-subtitle strong {
    color: var(--color-primary);
}

.section-6 .section-desc {
    color: rgba(255, 255, 255, 0.6) !important;
}

.about-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-card-row {
    display: flex;
    gap: 30px;
}

.about-card-row:nth-child(odd) .about-card:first-child {
    margin-left: 120px;
}

.about-card-row:nth-child(even) .about-card:last-child {
    margin-right: 120px;
}

.about-card {
    flex: 1.5;
    min-width: 390px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    text-align: left;
    transition: all 0.3s ease;
}

.about-card:hover {
    background: white;
}

.about-card:hover .about-card-title {
    color: rgba(255, 158, 80, 0.8);
}

.about-card:hover .about-number {
    color: var(--color-primary);
}

.about-icon {
    margin-bottom: 50px;
}

.about-icon img {
    width: 70px;
    height: 70px;
}

.about-card-title {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    font-size: var(--font-2xl);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
}

.about-cards.en .about-card-title {
    min-height: 70px;
}

.about-number {
    font-size: 60px;
    font-weight: 700;
    color: white;
}

@media (max-width: 1665px) {
    .about-cards {
        padding-right: 60px;
    }
}

@media (max-width: 1440px) {
    .about-cards {
        flex: 2;
    }

    .about-card-row:nth-child(odd) .about-card:first-child {
        margin-left: 0;
    }

    .about-card-row:nth-child(even) .about-card:last-child {
        margin-right: 0;
    }

    .about-card {
        min-width: 0;
    }

}

@media (max-width: 1280px) {
    .about-layout {
        gap: 20px;
    }

    .about-card-row {
        gap: 20px;
    }

    .about-cards {
        gap: 20px;
    }

    .about-card {
        padding: 30px;
    }

    .about-icon {
        margin-bottom: 10px;
    }

    .about-icon img {
        width: 50px;
        height: auto;
    }

    .about-number {
        font-size: 50px;
    }
}

@media (max-width: 1024px) {
    .about-card-row {
        gap: 10px;
    }

    .about-cards {
        gap: 10px;
    }

    .about-icon img {
        width: 40px;
        height: auto;
    }

    .about-card-title {
        font-size: var(--font-lg);
    }

    .about-number {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .about-layout {
        flex-direction: column;
        gap: 40px;
    }

    .about-cards {
        gap: 20px;
        width: 100%;
    }

    .about-card-row {
        gap: 20px;
    }
}

@media (max-width: 480px) {

    .about-card-row {
        gap: 10px;
    }

    .about-cards {
        padding: 0 20px;
        gap: 10px;
    }

    .about-card {
        padding: 20px 30px;
    }

    .about-card-title {
        font-size: var(--font-base);
        white-space: nowrap;
    }

    .about-cards.en .about-card-title {
        white-space: wrap;
    }

    .about-number {
        font-size: 30px;
    }
}

/***********************
       section-7
 ***********************/
.section-7 {
    background-image: url('../../img/bg/bg-main-partnership.jpg');
}

.section-7 .section-container {
    padding-bottom: 100px;
}

.section-7 .section-header {
    text-align: center;
}

.section-7 .section-title {
    font-size: 74px;
    margin-bottom: 10px;
}

.section-7 .section-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-md);
}

@media (max-width: 1024px) {

    .section-7 .section-title,
    .section-8 .section-title {
        font-size: 60px;
    }
}

@media (max-width: 480px) {

    .section-7 .section-title,
    .section-8 .section-title {
        font-size: 46px;
    }

    .section-7 .section-container {
        padding-bottom: 50px;
    }

    .partner-wrapper {
        padding-bottom: 100px !important;
    }
}

/***********************
       section-8
 ***********************/
.section-8 .fixed-bg {
    background: url('../../img/bg/bg-effort.jpg') no-repeat center center;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40%;
    height: 40%;
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
    background-size: cover;
    transition: transform 0.6s ease, width 0.6s ease, height 0.6s ease;
    z-index: 0;
    pointer-events: none;
    will-change: transform, opacity;
}

.section-8 .section-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
    padding: 100px 0;
}

.section-8 .section-header {
    text-align: right;
}

.section-8 .section-title {
    font-size: 94px;
    margin-bottom: 10px;
}

.section-8 .section-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 26px;
}

@media (max-width: 768px) {
    .section-8 .section-title {
        font-size: 40px;
    }

    .section-8 .section-desc {
        font-size: var(--font-md);
    }
}

@media (max-width: 480px) {
    .section-8 .section-title {
        font-size: 40px;
        font-weight: 600;
    }

    .section-8 .section-desc {
        font-weight: 600;
        font-size: var(--font-md);
    }

    .section-8 .fixed-bg {
        width: 100vh;
        height: 100vh;
        opacity: 0.7;
    }
}

/***********************
       section-9
 ***********************/
.section-9 {
    background-image: url('../../img/bg/bg-main-cta.jpg');
}

.section-9 .section-container {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    text-align: center;
    height: 90vh;
}

.section-9 .section-title {
    margin-bottom: 0px;
    font-size: 64px;
}

.keyword-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-lg);
    font-weight: 500;
}

.keyword-list .dot {
    width: 5px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: inline-block;
}

@media (max-width: 480px) {
    .section-9 .section-container {
        height: auto;
        padding: 100px 0 150px;
    }

    .keyword-list {
        font-size: var(--font-sm);
        margin-bottom: 60px;
    }

    .keyword-list.en {
        gap: 10px;
    }

    .section-9 .section-title {
        font-size: 30px;
    }

}