@charset 'UTF-8';

/********** MO(390 - 820) **********/

main {
    margin-top: 0;
}
/* main slide */
.main-inner {
    width: 100%; height: 100vh;
}
.main-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.main-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}

.main-slide.active {
    opacity: 1;
    z-index: 1;
}

.main-slide > img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.main-txt {
    color: white;
    font-size: 3.6rem;
    font-weight: 600;
    line-height: 1.2;
    z-index: 2;
}
.main-txt-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 20px;
    width: 100%;
}
.main-subtext {
    color: white;
    font-size: 1.5rem;
    font-weight: 500;
    margin-top: 30px;
    line-height: 1.6;
}

.main-slide-function {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 400px;
    height: 36px;
    z-index: 10;
    margin-top: 24px;

}
.progress-bar {
    flex-grow: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}
.progress {
    height: 100%;
    width: 0%;
    background: #fff;
    transition: width 5s linear;
    border-radius: 4px;
}
.page-view {
    display: flex;
    justify-content: space-around;
    gap: 24px;
    background-color: rgba(0,0,0,0.4);
    border-radius: 36px;
    padding: 8px;
    width: 104px;
}
.page-view > button {
    width: 24px; height: 24px;
}
.pause-resume {
    position: absolute;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    line-height: 1;
}
.main-slider .nav-btn {
    cursor: pointer;
    z-index: 10;
}

/* section */
section .sec-inner{
    text-align: center;
}
section .sub {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--darkblue-400-primary);
    margin-bottom: 16px;
}
section .sub-txt {
    font-size: 1.5rem;
    margin: 12px 0 40px;
    color: var(--gray-700);
}

/* solution */
.solution .contact-btn {
    width: 220px; height: 54px;
    line-height: 54px;
    background: var(--darkblue-400-primary);
    color: var(--white-0);
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0 auto 60px;
    box-shadow: 0px 20px 30px rgba(33, 57, 102, 0.2);
}
.solution .solution-img {
    width: 100%; height: 358px;
    background: url('../img/main/solution.jpg') no-repeat 50%;
    background-size: cover;
}

/* product */
section.products {
    background: var(--gray-100);
}
.products .sec-inner {
    overflow: hidden;
}
.products .product-btn-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 60px;
}
.products .product-btn {
    width: 24px; height: 24px;
}
.products .product-btn img {
    width: 100%;
}
.products .num {
    font-size: 1.3rem;
    color: var(--gray-400);
}
.products .num .now-num {
    color: var(--gray-900);
}
.products .product-slider {
    display: flex;
    gap: 20px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.product-slider .product-slide {
    flex: 0 0 280px;
    width: 280px; height: 340px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s ease;
    position: relative;
    z-index: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.product-slider .product-slide.active-product {
  z-index: 2; /* 커지는 카드가 위로 올라오게 */
}
.product-slider .product-slide img {
    width: 100%;
    height: auto;
    display: block;
}
.product-slider .product-label {
    margin-top: 12px;
    font-size: 1.8rem;
    font-weight: 500;
}

/* partner */
.partner {
    padding-bottom: 0;
}
.partner .partner-wrap {
    margin: 60px auto 80px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 625px;
    width: 100%;
    justify-content: center;
}
.partner .partner-wrap li {
    flex: 0 0 calc((100% - 24px) / 3);
    width: 100%;
    max-width: 206px;
}
.partner .partner-wrap li img {
    width: 100%;
}
.partner-marquee {
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}
.partner-marquee-text {
    display: inline-block;
    animation: marquee 40s linear infinite;
    padding-left: 100%;
    color: #ddd;
    font-size: 60px;
    font-weight: 800;
    white-space: pre;
}
@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-100%);
    }
}

/* client */
.client {
    background: url('../img/main/client-bg.jpg') no-repeat 50%;
    background-size: cover;
    color: var(--white-0);
}
.client .sub {
    color: var(--darkblue-300);
}
.client .client-wrap {
    margin: 60px auto 80px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 625px;
    width: 100%;
}
.client .client-wrap li {
    flex: 0 0 calc((100% - 40px) / 3);
    width: 100%;
    max-width: 200px;
}
.client .client-wrap li img {
    width: 100%;
}



/********** MO(821 - 1024) **********/
@media screen and (min-width: 821px) {
    .main-txt {
        font-size: 4.6rem;
        position: relative;
    }
    .main-subtext {
        font-size: 1.6rem;
    }
    .main-slide-function {
        width: 400px;
    }
    .main-slide {
        align-items: unset;
    }
    .solution .solution-img {
        height: 912px;
    }
    .product-slider .product-slide {
        flex: 0 0 340px;
        width: 340px; height: 380px;
    }
    .client .client-wrap {
        margin: 100px auto 80px;
        gap: 40px;
        max-width: none;
        justify-content: center;
    }

} /*821*/

/********** MO(1025 - 1440) **********/
@media screen and (min-width: 1025px) {
    .main-txt-container {
        margin: 0 60px;
    }
    .main-txt {
      font-size: 6.4rem;
      padding-top: 20px;
    }
    .main-subtext {
        font-size: 1.8rem;
    }
    .main-slide-function {
        margin-top: 40px;
    }
    section .sub {
        font-size: 2rem;
    }
    section h2 {
        font-size: 4.2rem;
    }
    section .sub-txt {
        font-size: 2.4rem;
        margin: 20px 0;
    }
    .products .sub, .products h2, .products .sub-txt {
        margin-left: 60px;
    }
    section .sec-txt {
        text-align: left;
    }
    .solution {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 90px;
    }
    .solution .sec-inner {
        padding-right: 0;
    }
    .solution .solution-img {
        height: 600px;
        max-width: 600px;
        margin-right: 60px;
        width: 50%;
    }
    .solution .contact-btn {
        margin: 60px 0 0;
        font-size: 2rem;
        text-align: center;
    }
    section.products {
        padding-bottom: 120px;
    }
    .products .sec-inner {
        text-align: left;
        overflow: hidden;
        padding: 0;
    }
    .products .product-slider-container {
      width: 72.708vw;
      min-width: 1396px;
      /* overflow: hidden; */
      position: relative;
      min-height: 620px;
      margin: -200px auto 0;
      display: flex;
      align-items: flex-end;
    }
    .products .product-slider-container::before {
        content: "";
        position: absolute;
        top: 0;
        left: -13.646vw;
        width: 13.646vw;            /* 가려줄 범위 (디자인에 맞게 조정) */
        height: 100%;
        background: var(--gray-100);       /* 배경색을 섹션 배경과 동일하게 */
        z-index: 2;
    }
    .products .product-slider {
        display: flex;
        gap: 20px;
        align-items: flex-end;
        position: absolute;
        left: 0;
        transition: transform 0.6s ease-in-out;
    }
    .product-slider .product-slide {
        flex: 0 0 340px;
        width: 340px;
        height: auto;
        transition: width 0.6s ease-in-out, opacity 0.6s ease-in-out;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .product-slider .product-slide.active-product {
        flex: 0 0 620px;
        width: 620px;
        opacity: 1;
    }
    .product-slider .product-slide img {
        width: 100%;
        height: auto;
        display: block;
    }
    .product-slider .product-label {
        text-align: center;
        font-size: 2.2rem;
        margin-top: 24px;
        color: var(--gray-900);
    }
    .products .product-btn-wrap {
        justify-content: flex-start;
        padding-left: 60px; /* 전체 레이아웃에 맞춰 여백 조정 */
        margin-top: 50px;
        position: relative;
        z-index: 99;
    }
    .products .num {
        font-size: 1.5rem;
    }
    .products .product-btn {
        width: 28px; height: 28px;
    }
    .partner .partner-wrap li img {
        max-width: 195px;
    }
    .partner .partner-wrap {
        margin: 100px auto 120px;
    }
    .partner-marquee-text {
        font-size: 14rem;
    }
    .client {
        padding-bottom: 160px;
    }

}/*1025*/


/********** MO(1441 ~) **********/
@media screen and (min-width: 1441px) {
    .main-txt {
        font-size: 4.375vw;
    }
    .main-subtext {
        font-size: 2rem;
    }
    .main-txt-container {
        margin: 0;
    }
    .main-slide-function {
        width: 520px;
    }
    section h2 {
        font-size: 4.8rem;
    }
    .solution, .main-txt-container {
        width: 72.708vw;
        min-width: 1396px;
        margin: 0 auto;
    }
    .solution .solution-img {
        width: 100%;
        max-width: 622px;
        margin-right: 0;
    }
    .solution .contact-btn {
        width: 240px; height: 62px;
        line-height: 62px;
    }
    .products .sec-inner {
        width: auto;
    }
    .products .sub, .products h2, .products .sub-txt, .products .product-btn-wrap {
        margin-left: 0;
        width: 72.708vw;
        min-width: 1396px;
        margin: 20px auto;
    }
    .solution .sec-inner {
        min-width: 0;
    }
    .products .product-btn-wrap {
        padding-left: 0;
        margin-top: 50px;
    }
    .partner .partner-wrap {
        flex-wrap: wrap;
        width: 72.708vw;
        min-width: 1396px;
        max-width: none;
    }
    .client .client-wrap {
        gap: 60px 20px;
    }










} /*1441*/