.f_contact {
    display: none;
}
/* ====== hero_sec ====== */
.hero_sec {
    height: 100vh;
}
.hero_sec .sec-bg {
    width: 100%;
    height: 95%;
    border-bottom-right-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
    overflow: hidden;
    filter: brightness(.8);
}
.hero_sec .sec-bg::after {
    display: block;
    content: '';
    inset: 0;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.185), transparent 80%);
}
.hero_sec .inner {
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding-top: var(--header);
}
.hero-title {
    display: flex;
}
.hero-subtitle {
    font-size: var(--t6);
    color: var(--gray-100);
    margin-top: 40px;
    transform: translateY(40px);
    opacity: 0;
}
.hero-logo {
    font-size: 12vw;
    color: white;
    font-weight: var(--bold);
    display: flex;
}
.hero-logo .char-box {
    overflow: hidden;
    display: inline-block;
}
.hero-logo .char {
    backdrop-filter: blur(6px);
    display: block;
    transform: translateX(-100%);
    opacity: 0;
    mix-blend-mode: screen;
    line-height: 1;
}
.scroll_down {
    display: flex;
    gap: 10px;
    font-size: var(--ft14);
    font-weight: var(--medium);
    margin-top: 10px;
    justify-content: center;
}
.scroll_down .icon {
    width: 18px;
    height: 18px;
    aspect-ratio: 1;
    transform: translateY(2px);
    animation: bounce 1s infinite linear;
}
@keyframes bounce {
    0%,100% {transform: translateY(2px);}
    50% {transform: translateY(-2px);}
}

/* ====== about_sec ====== */
.about_sec {
    height: 200vh;
}
.about_sec .inner {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
}
.about_sec .sec-title span {
    font-size: var(--t4);
    color: transparent;
    background: linear-gradient(to right, var(--ft-main)50%, var(--gray-300) 50%) no-repeat 100% center / 200%;
    background-clip: text;
}

/* ====== value_sec ====== */
.value_sec {
    /* margin-top: var(--sec-gap); */
}
.value_sec .sec-header {
    margin-bottom: calc(var(--sec-gap) / 2);
}
.value-list {
    display: flex;
    align-items: center;
    justify-content: center;
}
.value-list li {
    position: relative;
    width: calc(100% / 4);
    aspect-ratio: 1 / 1.2;
    margin: 0 calc((100% - 40px * 3) / 4 * -0.45);    
    padding: 0 20px;
    transition: margin .8s ease;
}
.value-item {
    border-radius: var(--border-radius);
    width: 100%;
    height: 100%;    
    backdrop-filter: blur(6px);
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: space-between;
    position: relative;
    transition: rotate .5s ease;
    overflow: hidden;
}
.value-list li:nth-child(1) .value-item {
    rotate: -10deg;
}
.value-list li:nth-child(2) .value-item {
    rotate: 3deg;
}
.value-list li:nth-child(3) .value-item {
    rotate: -14.5deg;
}
.value-list li:nth-child(4) .value-item {
    rotate: 10deg;
}
.value-item .card-bg {
    width: 100%;
    height: 100%;
}
.value-item .card-bg::after {
    position: absolute;
    content: '';
    display: block;
    inset: 0;
    background: linear-gradient(to top, black, transparent 50%);
    opacity: 0;
    transition: opacity .7s .3s ease;
}
.value-list.active .card-bg::after {
    opacity: 0.6;
}
.value-item .card-inner {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.value-list.active li {
    margin: 0; 
}
.value-list.active li .value-item {
    rotate: 0deg;
}

.value-item .card-icon {
    width: 46px;
    aspect-ratio: 1;
    background: var(--glass);
    border-radius: var(--border-radius-sm);
    padding: 5px;
    overflow: hidden;
}
.value-item .card-title,
.value-item .card-text {
    opacity: 0;
    transition: opacity .7s ease, transform .7s ease;
    transform: translateY(20px);
}
.value-item .card-title {
    font-size: var(--t7);
    font-weight: var(--medium);
    margin-bottom: 14px;
    transition-delay: .5s;
    color: white;
}
.value-item .card-text {
    font-size: var(--d2);
    color: var(--gray-200);
    transition-delay: .7s;
}

.value-list.active li .value-item .card-title,
.value-list.active li .value-item .card-text {
    opacity: 1;
    transform: translateY(0);
}
/* .card-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    overflow: hidden;
}
.card-face.front {
    z-index: 2;
}
.card-face.back {
    transform: rotateY(180deg);
    background: rgba(0,0,0,0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
} */



/* ====== repair_sec ====== */
.repair_sec {
    /* margin-top: var(--sec-gap); */
}
.repair_sec .sec-header .more_btn {
    display: none;
}
.repair_sec .sec-header {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.repair_sec .sec-name.fix {
    position: absolute;
    top:  var(--margin);
    right: 0;
    z-index: 9;
    margin-right: var(--margin);
    margin-left: auto;
}
.repair_sec .sec-content {
    position: relative;
    height: 500vh;
}
.repair_sec .sec-content .sticky {
    position: sticky;
    top: 0;
}
.repair-list {
    width: 100%;
}

.repair-list > li {
    width: 100%;
    height: 100vh;
    padding: 10px;
    position: absolute;
    top: 0;
    left: 0;
    clip-path: circle(0% at 100% 100%);
}
.repair-list > li:first-child {
    position: relative;
    clip-path: circle(200% at 100% 100%);
}

.repair-item {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
    background: var(--gray-500);
    overflow: hidden;
    position: relative;
    
}

.repair-item .card-inner {
    width: 100%;
    height: 100%;
    padding: calc( var(--margin) - 10px) 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;    
}
.repair-item .card-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.repair-item .card-bg::after {
    inset: 0;
    position: absolute;
    display: block;
    content: '';
    background: linear-gradient(to right, black, transparent);
    opacity: .8;
}
.repair-item .card-num {
    font-size: var(--t2);
    font-weight: var(--thin);
    color: white;
    line-height: 1;
}
.repair-item .card-desc {
    display: flex;
    align-items: end;
    justify-content: space-between;
    row-gap: var(--con-gap);
}
.repair-item .card-text_wrap,
.repair-item .card_item-list {
    flex: 1 0 50%;
}
.repair-item .card-text_wrap {
    padding-right: var(--con-gap);
}
.repair-item .card-title {
    font-size: var(--t3);
    color: white;
    font-weight: var(--semi-bold);
    margin-bottom: 40px;
}
.repair-item .card-text {
    font-size: var(--t7);
    color: var(--gray-100);
}
.card_item-list {
    width: 100%;
    max-width: 700px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    /* padding-left: var(--con-gap); */
}
.repair-item .item {
    height: 100%;
    border-radius: var(--border-radius);
    background: var(--glass);
    backdrop-filter: blur(6px);
    border: 1px solid var(--glass-border);
    padding: 12px;
    display: flex;
    gap: 24px;
    align-items: start;
    opacity: 0;
    transform: translateY(-20px);
}
.repair-item .item-img {
    width: 80px;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}
.repair-item .item-title {
    font-size: var(--d2);
    color: white;
    margin-top: 10px;
}
.repair-item .item p {
    font-size: var(--d3);
    color: var(--gray-100);
}
.repair-item .more_btn {
    margin-top: 50px;
}


/* ====== trading_sec ====== */
.trading_sec {
    margin-top: var(--sec-gap);
    padding-bottom: var(--sec-gap);
}
.trading_sec .sec-header {
    margin-bottom: var(--con-gap);
}
.trading_sec .sec-content {
    overflow: hidden;
    position: relative;
    padding-top: 30px;
    margin-top: -30px;
}
.trading_sec .sec-content::after {
    position: absolute;
    content: '';
    display: block;
    width: 100%;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(to right, white 2%, transparent 10%, transparent 90%, white 98%);
    pointer-events: none;
}
.trading-list {
    display: flex;
    gap: 20px;
}
.trading-item {
    width: 180px;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    background: var(--glass);
    transition: transform .5s ease;
}
.trading-item:hover {
    transform: translateY(-30px);
}
.trading_sec .more_btn {
    margin-top: 50px;
}
.trading-img {
    height: 100%;
}



.marquee {
  will-change: transform;
  animation: marqueeMove 16s linear infinite;
  display: flex;
  width: fit-content;
}
.marquee-item {
    padding-right: 20px;
}
.marquee:hover { animation-play-state: paused; }

/* 접근성: 애니메이션 제한 */
@media (prefers-reduced-motion: reduce){
  .marquee { animation: none; transform: translateX(0); }
}

/* 애니메이션 키프레임 - X축을 왼쪽으로 완전 이동 */
@keyframes marqueeMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* ====== news_sec ====== */
.news_sec {
    background: var(--bg-dark);
    padding: var(--sec-gap) 0;
}
.news_sec .sec-header .btn_wrap {
    gap: 40px;
    margin-top: 50px;
}
.news_sec .sticky {
    position: sticky;
    top: var(--header);
    width: 50%;
    padding-left: var(--margin);
}
.news_sec .sec-header * {
    color: white;
}
.news_sec .sec-content {
    margin-left: 50%;
}
.notice_wrap {
    margin-bottom: var(--sec-gap);
    padding-right: var(--margin);
}
.notice {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 40px;    
    color: white;
    border-bottom: 1px solid var(--gray-500);
    border-radius: var(--border-radius);
    transition: border-color .5s ease;
}
.notice:hover {
    border-color: var(--gray-200);
}
.notice-title {
    flex: 1 0 0;
    font-size: var(--t7);
}
.notice-date {
    color: var(--gray-300);
    font-weight: var(--normal);
    font-size: var(--d2);
}
.release_wrap {
    padding-right: var(--margin);
}
.release {
    font-size: var(--t7);
    position: relative;
}
.release-img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    background: var(--gray-300);
}
.release .release-img img {
    transition: scale .5s ease;
}
.release:hover .release-img img {
    scale: 1.1;
}
.release-title {
    font-size: var(--t7);
    margin-bottom: 16px;
    margin-top: 30px;
    min-width: 0;
    color: white;
}
.release-date {
    font-size: var(--d1);
    color: var(--gray-300);
    font-weight: var(--normal);
}
.release_swiper .btn_wrap {
    margin-top: 50px;
    gap: 20px;
}
.swiper-prev,
.swiper-next {
    margin-top: 0;
    left: 0;
    right: 0;
}
.release .link-icon {
    position: absolute;
    top: 20px;
    right: 20px;
}
.release .link-icon::before {
    background: var(--gray-300);
}

/* ====== dataroom_sec ====== */
.dataroom_sec {
    padding: var(--sec-gap) 0;
}
.dataroom_sec .sec-header {
    margin-bottom: var(--con-gap);
}
.dataroom_sec .more_btn {
    margin-top: 50px;
}
.dataroom_sec .sec-bot {
    margin-top: var(--con-gap);
}
.data-list {
    display: flex;
    gap: 30px;
    justify-content: space-between;
}
.data {
    position: relative;
    display: block;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1 / 1.2;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.data .card-inner {
    position: absolute;
    inset: 0;
    overflow: hidden;
    padding: 30px;
}
.data .card-bg {
    width: 100%;
    height: 100%;
    background: var(--img);
}
.data .card-bg::after {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    background: #00000040;
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity .5s ease;
}
.data .card-title {
    font-size: var(--t7);
    font-weight: var(--medium);
    color: var(--white);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .5s ease, transform .5s ease;
}

.data .card-type {
    font-size: var(--d2);
    color: var(--gray-300);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .5s ease, transform .5s ease;
    transition-delay: .05s;
}
.data:hover .card-bg::after,
.data:hover .card-title,
.data:hover .card-type {
    opacity: 1;
}

.data:hover .card-title,
.data:hover .card-type {
    transform: translateY(0);
}
.data .link-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
}
.data .link-icon::before {
    background: var(--gray-400);
}


/* ====== contact_sec ====== */
.contact_sec {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact_sec .sec-bg {
    position: absolute;
    top: 0; left: 0;
    inset: 0;
    background: var(--img);
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    filter: brightness(0.7);
    clip-path: inset(30% calc((100% - var(--container-lg)) / 2) -1px round var(--border-radius-lg) var(--border-radius-lg) 0 0);
    transition: clip-path 1.3s ease;
}
.contact_sec.active .sec-bg {
    clip-path: inset(0 0 -1px round var(--border-radius-lg) var(--border-radius-lg) 0 0);
}
.contact_sec .sec-bg img {
    transform: translateY(-10%);
}
.contact_sec .sec-title {
    color: white;
    opacity: 0;
    transform: translateY(30px);
}
.contact_sec .btn_wrap {
    margin-top: 50px;
    gap: 40px;
    justify-content: center;
}
.contact_sec .more_btn {
    margin: 0;
}
.contact_sec .sec-name,
.contact_sec .btn {
    opacity: 0;
    transform: translateY(30px);
}

@media screen and (max-width: 1700px){
    .repair-item .card-inner {
        padding: 60px;
    }
    .repair_sec .sec-name.fix {
        top: 60px;
        margin-right: 60px;
    }
    .news_sec .sticky {
        padding-left: 60px;
    }
    .notice_wrap,
    .release_wrap  {
        padding-right: 60px;
    }
    
}
@media screen and (max-width: 1200px) {
    /* value */
    .value-list li {
        padding: 10px;
    }
    .value-item .card-inner {
        padding: 20px;
    }
    .value-item .card-icon {
        width: 40px;
    }
 

    /* repair */
    .repair-item .card-inner {
        padding: 40px;
    }
    .repair_sec .sec-name.fix {
        top: 40px;
        margin-right: 40px;
    }
    .repair-item .item {
        gap: 14px;
    }
    
    /* trading */
    .trading-item {
        width: 140px;
    }


    /* news */
    .news_sec .sticky {
        padding-left: 40px;
    }
    .notice_wrap,
    .release_wrap  {
        padding-right: 40px;
    }
}
@media screen and (max-width: 960px) {
    .hero-title {
       flex-direction: column;
       align-items: center;
    }
    .hero-logo {
        font-size: clamp(40px, 20vw, 130px);
    }
    .hero-logo .char {
        backdrop-filter: unset;
    }

    
    /* trading */
    .trading_sec .more_btn {
        margin-top: 40px;
    }    
    

    /* repair */    
    .repair-item .item {
        padding: 8px;
    }
    .repair-item .item-img {
        width: 50px;
    }
    .card_item-list {
        gap: 14px;
    }

    /* news */
    .notice {
        padding: 24px;
    }
    .news_sec .sticky {
        position: static;
        width: 100%;
        padding: 0 20px;
    }
    .news_sec .sec-content {
        margin-left: 0;
        margin-top: var(--con-gap);
    }
    .notice_wrap,
    .release_wrap {
        padding: 0 20px;
    }
    .notice_wrap {
        margin-bottom: 100px;
    }
    /* data */
    .data-list {
        gap: 20px;
    }
    .data .card-inner {
        padding: 20px;
    }

    .data .card-bg::after {
        opacity: 1;
        backdrop-filter: unset;
        background: linear-gradient(to bottom, #00000040, transparent 20%);
    }
    .data .card-title,
    .data .card-type {
        opacity: 1;
        transform: translateY(0);
    }


}

@media screen and (max-width: 860px) {
    /* value */
    .value-list li {
        width: 100%;
        margin: 0;
        padding: 0;
    }
    .value-item {
        rotate:  0deg !important;
    }
    .value-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .value-list .value-item .card-title,
    .value-list .value-item .card-text {
        opacity: 1;
        transform: translateY(0);
    }
    .value-item .card-inner {
        padding: 30px;
    }

    /* repair */
    
    .repair_sec {
        margin-top: var(--sec-gap);
    }
    .repair_sec .sec-name.fix {
        display: none;
    }
    .repair_sec .sec-header {
        margin-bottom: var(--con-gap);
        height: auto;
        position: static;
    }
    .repair_sec .sec-header .more_btn {
        margin-top: 40px;
        display: flex;
    }
    .repair-item .more_btn {
        display: none;
    }
    .repair_sec .sec-content {
        height: auto;
    }
    .repair_sec .sec-content .sticky {
        position: static;
    }
    .repair-list > li {
        height: auto;
        position: relative;
        clip-path: unset !important;
    }
    .repair-item {
        border-radius: 0;
        background: unset;
    }
    .repair-item .card-bg {
        position: static;
    }
    .repair-item .card-bg::after {
        content: none;
    }

    .repair-item .card-num {
        display: none;
    }
    .repair-item .card-text {
        color: var(--ft-sub);
    }
    
    .repair-item .more_btn {
        color: var(--ft-main);
    }
    .repair-item .card-title {
        color: var(--ft-main);
        margin-bottom: 20px;
        font-size: var(--t5);
    }
    .repair-item .card-text_wrap {
        padding-right: 0;
        flex: 1 0 100%;
    }
    .card_item-list {
        display: none;
    }
    .repair-item .card-inner {
        padding: 0 20px;
        margin-top: 40px;
        margin-bottom: var(--con-gap);
    }
    .repair-list > li:last-child .repair-item .card-inner {
        margin-bottom: 0;
    }

    /* news */
    .release-title {
        margin-top: 20px;
        margin-bottom: 10px;
    }
    
}
@media screen and (max-width: 600px) {
    .data-list {
        gap: 10px;
    }
    .data .card-inner {
        padding: 14px;
    }
    .data .link-icon {
        bottom: 14px;
        right: 14px;
    }
}

@media screen and (max-width: 500px) {
    .value-list {
        gap: 10px;
    }
    .value-list li {
        aspect-ratio: 1 / 1.5;
    }
    .value-item .card-inner {
        padding: 14px;
    }
    .repair-item .card-inner {
        margin-top: 30px;
        padding: 0 10px;
    }
    .repair-item .card-title {
        margin-bottom: 14px;
    }

    /* trading */
    .trading-list {
        gap: 10px;
    }

    .trading-item {
        width: 100px;
    }

    /* datta */
    .data-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .data {
        max-width: unset;
    }
    .data-list > li:first-child {
        grid-column: span 2;
    }
    
}