:root {
    --main-side-gap: max(60px, calc((100vw - 1500px) / 2));
    --main-right-gap: calc(var(--main-side-gap) + 24px);
    --main-content-width: calc(100% - var(--main-side-gap) - var(--main-right-gap));
    --main-content-max: 1476px;
}

/* ========================================
   Main Hero
======================================== */

.main-hero {
    display: block;

    width: 100%;
    min-height: 0;

    padding: 10px 40px 0;

    box-sizing: border-box;
}

.main-hero__inner {
    position: relative;

    width: 100%;
    max-width: 1840px;
    height: 890px;

    margin: 0 auto;

    aspect-ratio: 1840 / 890;
    border-radius: 16px;
    overflow: hidden;
}

.main-hero__bg {
    display: block;

    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main-hero__award {
    position: absolute;

    top: 0;
    right: calc(var(--main-right-gap) - 40px);

    z-index: 2;

    width: clamp(84px, 6.3vw, 121px);
    height: auto;

    object-fit: contain;
}


/* ========================================
   Hero Content
======================================== */

.main-hero__content {
    position: absolute;

    top: 50%;
    left: 9%;

    transform: translateY(-50%);

    color: #fff;
    text-align: left;

    z-index: 2;
}

.main-hero__eyebrow {
    margin: 0 0 clamp(10px, 1.875vw, 36px);

    font-size: clamp(10px, 1.458vw, 28px);
    font-weight: 400;
    line-height: 1.4;

    color: #fff;
}

.main-hero__more {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: clamp(70px, 7.8125vw, 150px);
    height: clamp(26px, 2.604vw, 50px);

    margin: 0 0 clamp(12px, 1.875vw, 36px);

    background: #58A5D6;
    border-radius: clamp(4px, 0.416vw, 8px);

    color: #fff;

    font-size: clamp(10px, 1.0417vw, 20px);
    font-weight: 500;

    text-decoration: none;

    transition: background-color 0.3s ease;
}

.main-hero__more:hover {
    background: #3296d0;
}

.main-hero__title {
    margin: 0;

    font-family: "Paperlogy", sans-serif;

    font-size: clamp(18px, 2.8125vw, 54px);
    font-weight: 400;
    line-height: 1.4;

    color: #fff;
    text-align: left;
}

.main-hero__title span {
    font-weight: 600;
}


/* ========================================
   Business Section
======================================== */

.main-business {
    position: relative;

    display: block;

    width: 100%;
    height: 920px;
    min-height: 0;

    background: #fff;

    padding:
            clamp(40px, 6.25vw, 120px)
            0
            clamp(60px, 6.25vw, 120px);

    box-sizing: border-box;

    overflow: hidden;
}


/* ========================================
   Business Background Line
======================================== */

.main-business__line {
    position: absolute;

    top: 70px;
    left: 50%;

    width: 1920px;
    max-width: none;
    height: auto;

    transform: translateX(-50%);

    z-index: 0;

    pointer-events: none;
    user-select: none;
}


/* ========================================
   Business Inner
======================================== */

.main-business__inner {
    position: relative;
    z-index: 1;

    width: var(--main-content-width);
    max-width: var(--main-content-max);

    margin: 0 var(--main-right-gap) 0 var(--main-side-gap);
    margin-bottom: 120px;

    box-sizing: border-box;
}


/* ========================================
   Business Heading
======================================== */

.main-business__heading {
    width: 100%;

    text-align: center;
}

.main-business__logo {
    margin: 0;

    font-family: "Pretendard", sans-serif;

    font-size: 60px;
    font-weight: 700;
    line-height: 1;
    margin: 0 24px;

    letter-spacing: 0;

    color: #1A1A1A;

    text-align: center;
}

.main-business__description {
    margin: clamp(16px, 1.25vw, 24px) 0 0;

    font-family: "Pretendard", sans-serif;

    font-size: 24px;
    font-weight: 400;
    line-height: 1.4;

    letter-spacing: 0;

    color: #1A1A1A;

    text-align: center;
}

.main-business__description strong {
    font-weight: 600;
    color: #58A5D6;
}


/* ========================================
   Business Cards
======================================== */

.main-business__cards {
    display: flex;
    justify-content: space-between;
    align-items: stretch;

    gap: 36px;

    margin-top: 60px;
    margin-bottom: 120px;
}


/* ========================================
   Business Card
======================================== */

.main-business__card {
    position: relative;

    display: block;

    width: calc((100% - 146px) / 3);
    max-width: none;

    aspect-ratio: 410 / 520;

    flex-shrink: 0;

    overflow: hidden;

    text-decoration: none;
}


/* 카드 이미지 */

.main-business__card-bg {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform 0.5s ease;
}

.main-business__card:first-child .main-business__card-bg {
    object-position: 15% center;
}

.main-business__card:nth-child(2) .main-business__card-bg {
    object-position: 80% center;
}

.main-business__card:nth-child(3) .main-business__card-bg {
    object-position: 30% center;
}

/* 카드 오버레이 */

.main-business__card::after {
    content: "";

    position: absolute;

    inset: 0;

    background: rgba(0, 0, 0, 0.3);

    z-index: 1;

    transition: background 0.3s ease;
}


/* 카드 중앙 콘텐츠 */

.main-business__card-content {
    position: absolute;

    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    z-index: 2;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    width: 92px;
    height: 92px;

    color: #fff;

    text-align: center;
}


/* 아이콘 */

.main-business__icon {
    display: block;

    width: 100%;

    object-fit: contain;

    margin-bottom: 36px;
}


/* 카드 텍스트 */

.main-business__card-content span {
    font-family: "Pretendard", sans-serif;

    font-size: 36px;
    font-weight: 600;
    line-height: 1.3;

    letter-spacing: -0.7px;

    color: #fff;

    white-space: nowrap;
}


/* ========================================
   Business Hover
======================================== */

.main-business__card:hover .main-business__card-bg {
    transform: scale(1.04);
}

.main-business__card:hover::after {
    background: rgba(0, 0, 0, 0.3);
}


/* ========================================
   Product Links Section
======================================== */

.main-product-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    width: 100%;
    min-height: 0;
    overflow: hidden;
}

.main-product-links__item {
    position: relative;

    display: flex;
    align-items: center;

    min-height: 700px;
    padding: 0;

    overflow: hidden;

    color: #fff;
    text-decoration: none;
}

.main-product-links__bg {
    position: absolute;
    inset: 0;

    z-index: 0;

    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform 0.8s ease;
}

.main-product-links__item:hover .main-product-links__bg {
    transform: scale(1.04);
}

.main-product-links__item::before {
    content: "";

    position: absolute;
    inset: 0;

    z-index: 1;
}

.main-product-links__item--carbon::before {
    background: rgba(88, 165, 214, 0.78);
}

.main-product-links__item--film::before {
    background: rgba(0, 94, 168, 0.78);
}

.main-product-links__content {
    position: relative;
    z-index: 2;

    max-width: 360px;
    margin-left: var(--main-side-gap);
}

.main-product-links__item--carbon {
    justify-content: flex-start;
}

.main-product-links__item--carbon .main-product-links__content {
    width: min(100%, 520px);
}

.main-product-links__title {
    margin: 0;

    font-size: 48px;
    font-weight: 700;
    line-height: 1.25;

    color: #fff;
    text-align: left;
}

.main-product-links__description {
    margin: 24px 0;

    width: min(620px, calc(50vw - 120px));

    font-size: 24px;
    font-weight: 400;
    line-height: 1.7;

    color: #fff;
}

.main-product-links__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 150px;
    height: 50px;
    margin-top: 60px;
    padding: 0 18px;

    background: #fff;
    border-radius: 8px;

    color: #58A5D6;

    font-size: 20px;
    font-weight: 600;
    line-height: 1;
}


/* ========================================
   Partners Section
======================================== */

.main-partners {
    display: block;

    width: 100%;
    min-height: 0;
    padding: clamp(70px, 5.2vw, 100px) 0 clamp(82px, 5.7vw, 110px);

    background: #F2F2F2;

    overflow: hidden;
}

.main-partners__inner {
    width: 100%;

    margin: 60px auto;

    overflow: hidden;
}

.main-partners__heading {
    width: var(--main-content-width);
    max-width: var(--main-content-max);
    margin: 0 var(--main-right-gap) 0 var(--main-side-gap);
    padding: 0;

    text-align: center;
}

.main-partners__title {
    margin: 0;

    font-size: 60px;
    font-weight: 700;
    line-height: 1.2;

    color: #1A1A1A;
    text-align: center;
}

.main-partners__description {
    margin: 24px 0 0;

    font-size: 24px;
    font-weight: 400;
    line-height: 1.5;

    color: #1A1A1A;
    text-align: center;
}

.main-partners__description strong {
    font-weight: 600;
    color: #58A5D6;
}

.main-partners__list {
    display: flex;
    align-items: center;
    justify-content: flex-start;

    gap: 36px;

    width: max-content;
    margin-top: 60px;
    padding: 0 24px;

    animation: partners-scroll 28s linear infinite;
}

.main-partners__card {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 408px;
    height: 180px;
    padding: 28px 42px;
    flex: 0 0 408px;

    background: #fff;
    border-radius: 6px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.main-partners__logo {
    display: block;

    max-width: 100%;
    max-height: 100%;

    object-fit: contain;
}

.main-partners__logo[src$="standardHLogo.png"],
.main-partners__logo[src$="UNDLogo.png"] {
    width: 82%;
    max-width: none;
    max-height: none;

    transform: scale(1.2);
}

@keyframes partners-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-50% - 12px));
    }
}


/* ========================================
   Main Animations
======================================== */

.main-animate {
    opacity: 0;
    transform: translateY(34px);

    transition:
            opacity 0.8s ease,
            transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--main-animate-delay, 0ms);

    will-change: opacity, transform;
}

.main-animate.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.main-hero__content.main-animate {
    transform: translateY(calc(-50% - 34px));
}

.main-hero__content.main-animate.is-visible {
    transform: translateY(-50%);
}

.main-hero__award.main-animate {
    transform: translateY(-34px);
}

.main-hero__award.main-animate.is-visible {
    transform: translateY(0);
}

.main-business__line.main-animate {
    transform: translate(-50%, 28px);
}

.main-business__line.main-animate.is-visible {
    transform: translate(-50%, 0);
}

.main-business__card.main-animate:nth-child(2) {
    transition-delay: calc(var(--main-animate-delay, 0ms) + 80ms);
}

.main-business__card.main-animate:nth-child(3) {
    transition-delay: calc(var(--main-animate-delay, 0ms) + 160ms);
}

.main-product-links.main-animate,
.main-product-links.main-animate.is-visible {
    opacity: 1;
    transform: none;
}

.main-product-links.main-product-door-ready .main-product-links__item {
    transition:
            transform 0.95s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.main-product-links.main-product-door-ready:not(.is-visible) .main-product-links__item--carbon {
    transform: translateX(-100%);
}

.main-product-links.main-product-door-ready:not(.is-visible) .main-product-links__item--film {
    transform: translateX(100%);
}

.main-product-links.main-product-door-ready.is-visible .main-product-links__item--carbon,
.main-product-links.main-product-door-ready.is-visible .main-product-links__item--film {
    transform: translateX(0);
}

.main-location__contents.main-animate,
.main-location__contents.main-animate.is-visible {
    opacity: 1;
    transform: none;
}

.main-location__contents.main-location-door-ready {
    overflow: hidden;
}

.main-location__contents.main-location-door-ready .main-location__image-wrap,
.main-location__contents.main-location-door-ready .main-location__map {
    transition:
            transform 0.95s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.main-location__contents.main-location-door-ready:not(.is-visible) .main-location__image-wrap {
    transform: translateX(-100%);
}

.main-location__contents.main-location-door-ready:not(.is-visible) .main-location__map {
    transform: translateX(100%);
}

.main-location__contents.main-location-door-ready.is-visible .main-location__image-wrap,
.main-location__contents.main-location-door-ready.is-visible .main-location__map {
    transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {
    .main-animate,
    .main-animate.is-visible,
    .main-hero__content.main-animate,
    .main-hero__content.main-animate.is-visible,
    .main-hero__award.main-animate,
    .main-hero__award.main-animate.is-visible,
    .main-business__line.main-animate,
    .main-business__line.main-animate.is-visible,
    .main-product-links.main-animate,
    .main-product-links.main-animate.is-visible,
    .main-product-links.main-product-door-ready .main-product-links__item,
    .main-location__contents.main-animate,
    .main-location__contents.main-animate.is-visible,
    .main-location__contents.main-location-door-ready .main-location__image-wrap,
    .main-location__contents.main-location-door-ready .main-location__map {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .main-hero__content.main-animate,
    .main-hero__content.main-animate.is-visible {
        transform: translateY(-50%);
    }
}


/* ========================================
   Location Section
======================================== */

.main-location {
    display: block;

    width: 100%;
    min-height: 0;
    padding: clamp(70px, 5.2vw, 100px) 0 clamp(90px, 6.25vw, 120px);

    background: #fff;
}

.main-location__inner {
    width: var(--main-content-width);
    max-width: var(--main-content-max);

    margin: 0 var(--main-right-gap) 0 var(--main-side-gap);
}

.main-location__heading {
    text-align: center;
}

.main-location__title {
    margin: 0;

    font-size: 60px;
    font-weight: 700;
    line-height: 1.2;

    color: #1A1A1A;
    text-align: center;
}

.main-location__description {
    margin: 24px 0 0;

    font-size: 24px;
    font-weight: 400;
    line-height: 1.5;

    color: #1A1A1A;
    text-align: center;
}

.main-location__description strong {
    font-weight: 600;
    color: #58A5D6;
}

.main-location__contents {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: start;
    gap: 36px;

    margin-top: 40px;
}

.main-location__image-wrap,
.main-location__map {
    width: 100%;
    height: 420px;

    overflow: hidden;
}

.main-location__image {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: cover;
}

.main-location__map iframe {
    display: block;

    width: 100%;
    height: 100%;

    border: 0;
}


/* ========================================
   Tablet
======================================== */

@media (max-width: 1200px) {

    :root {
        --main-side-gap: 20px;
        --main-right-gap: 44px;
        --main-content-width: calc(100% - var(--main-side-gap) - var(--main-right-gap));
        --main-content-max: none;
    }

    /* Hero */

    .main-hero {
        padding: 10px 20px 0;
    }

    .main-hero__inner {
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .main-hero__award {
        right: 24px;
    }

    .main-hero__content {
        left: 6%;
    }

    .main-hero__eyebrow {
        font-size: 16px;
    }

    .main-hero__title {
        font-size: 34px;
    }


    /* Business */

    .main-business {
        padding:
                clamp(36px, 5vw, 60px)
                0
                clamp(60px, 7vw, 90px);
    }

    .main-business__line {
        top: 55px;
        width: 1600px;
    }

    .main-business__cards {
        gap: 20px;
    }

    .main-business__card {
        width: calc((100% - 40px) / 3);
        max-width: none;
    }

    .main-product-links__item {
        min-height: 320px;
        padding: 0;
    }

    .main-partners__list {
        gap: 18px;
        animation-duration: 24s;
    }

    .main-partners__card {
        width: 320px;
        height: 140px;
        flex-basis: 320px;
    }

    .main-location__inner {
        max-width: 100%;
    }

    .main-location__contents {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}


/* ========================================
   Mobile
======================================== */

@media (max-width: 768px) {

    /* Hero */

    .main-hero {
        padding: 5px 10px 0;
    }

    .main-hero__inner {
        aspect-ratio: 16 / 10;
        min-height: 240px;
    }

    .main-hero__content {
        top: 50%;
        left: 5%;
        right: 5%;

        transform: translateY(-50%);
    }

    .main-hero__award {
        width: 62px;
        right: 14px;
    }

    .main-hero__eyebrow {
        margin-bottom: 10px;

        font-size: 11px;
    }

    .main-hero__more {
        width: 78px;
        height: 28px;

        margin-bottom: 14px;

        font-size: 10px;

        border-radius: 4px;
    }

    .main-hero__title {
        font-size: 20px;
        line-height: 1.35;
    }


    /* Business */

    .main-business {
        padding: 22px 20px 50px;
        height: auto;
    }

    .main-business__line {
        display: none;
    }

    .main-business__inner {
        width: 100%;
        max-width: 100%;

        margin: 0 auto;
    }

    .main-business__logo {
        font-size: 36px;
    }

    .main-business__description {
        margin-top: 16px;

        font-size: 14px;
        line-height: 1.5;
    }

    .main-business__cards {
        flex-direction: column;
        align-items: center;

        gap: 16px;

        margin-top: 32px;
    }

    .main-business__card {
        width: 100%;
        max-width: 420px;

        aspect-ratio: 410 / 520;
    }

    .main-business__icon {
        width: 60px;
        height: 60px;

        margin-bottom: 15px;
    }

    .main-business__card-content span {
        font-size: 23px;
    }

    .main-product-links {
        width: 100%;
        grid-template-columns: 1fr;
    }

    .main-product-links__item {
        min-height: 260px;
        padding: 44px 32px;
    }

    .main-product-links__content {
        max-width: 100%;
    }

    .main-product-links__description br {
        display: none;
    }

    .main-product-links__description {
        width: 100%;
    }

    .main-partners {
        padding: 56px 0 68px;
    }

    .main-partners__list {
        margin-top: 36px;
        padding: 0 20px;
    }

    .main-partners__card {
        width: 260px;
        height: 112px;
        flex-basis: 260px;
    }

    .main-location {
        padding: 56px 0 72px;
    }

    .main-location__contents {
        grid-template-columns: 1fr;
        gap: 18px;

        margin-top: 34px;
    }

    .main-location__image-wrap,
    .main-location__map {
        height: auto;
        aspect-ratio: 630 / 420;
    }
}


/* ========================================
   Small Mobile
======================================== */

@media (max-width: 480px) {

    .main-business {
        padding: 18px 16px 44px;
    }

    .main-business__line {
        width: 780px;
    }

    .main-business__logo {
        font-size: 30px;
    }

    .main-business__description {
        margin-top: 12px;

        font-size: 13px;
        line-height: 1.5;
    }

    .main-business__cards {
        margin-top: 26px;

        gap: 14px;
    }

    .main-business__card {
        max-width: 100%;
    }

    .main-business__icon {
        width: 52px;
        height: 52px;
    }

    .main-business__card-content span {
        font-size: 20px;
    }

    .main-product-links__item {
        min-height: 230px;
        padding: 36px 24px;
    }

    .main-product-links__button {
        height: 32px;
        margin-top: 22px;
    }

    .main-partners__heading {
        padding: 0 18px;
    }

    .main-partners__description {
        margin-top: 14px;
    }

    .main-partners__card {
        width: 230px;
        height: 100px;
        flex-basis: 230px;
        padding: 16px 22px;
    }

    .main-location {
        padding: 50px 0 64px;
    }

    .main-location__description {
        margin-top: 14px;
    }
}