/* 전체 */
:root {
    --fab-btn-size: 70px;
    --popup-padding: 50px;
}
.page {
    background: var(--bg-dark);
}
section:last-child {
    padding-bottom: var(--sec-gap);
}
.material-symbols-rounded {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 48;
  }

/* main */
.main_bg {
    height: auto;
    aspect-ratio: 16 / 9;
}
.main_bg::after {
    background: linear-gradient(to top, var(--bg-dark), #1c1c1c00 50%);
}
.main .inner {
    padding-bottom: 200px;
    display: flex;
    flex-direction: column;
    justify-content: end;
}
.main .text_wrap {
    width: 50%;
}
.main .p_title {
    font-size: var(--ft34);
    font-weight: var(--bold);
    color: white;
    margin-bottom: var(--ft24);
}
.main .p_desc {
    font-size: var(--ft22);
    color: white;
    margin-bottom: var(--ft50);
}
.main .btn_wrap  {
    display: flex;
    align-items: center;
    gap: 20px;
}
.main .btn_wrap button {
    width: var(--fab-btn-size);
    aspect-ratio: 1;
    border-radius: 50%;    
}
.main .main_play_btn {
    background: white;
    color: var(--black);
}

.main .main_info_btn {
    background: #fff3;
    color: white;
    transition: background .3s ease;
}
.main .main_info_btn:hover {
    background: #fff1;
}
.main .btn_wrap .icon {
    font-size: var(--ft34);
}


/* section */
.sec_wrap {
    margin-top: -190px;
}
.page_top_sec {
    margin-bottom: 40px;
}
.filter_area {
    gap: 10px;
}
.filter_area .drop_down {
    width: 200px;
}

/* project */
.prj_wrap {
    overflow: hidden;
}
.prj_list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 100px;
}
.prj_name {
    font-size: var(--ft24);
    color: white;
    margin-bottom: 20px;
}
.prj_con {
    background: gray;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.prj_con iframe,
.prj_con img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prj_con_swiper {
    width: 100%;
    overflow: hidden;
}

.swiper-wrapper {
    width: 100%;
}
.prj_con_swiper .swiper-slide {
    flex-shrink: 0;
    width: auto;
}

.null_box {
    width: 100%;
    padding: 140px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
}
.null_box img {
    width: 40px;
    height: 40px;
}
.null_box p {
    font-size: var(--ft18);
    color: var(--white);
}

/* popup */
.popup_box {
    background: var(--gray-500);
}
.popup .prj_video {
    position: relative;
}
.popup .prj_video .video_wrap {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
}
.popup .prj_video .video_wrap iframe,
.popup .prj_video .video_wrap blockquote {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* .popup .prj_video::after {
    content: '';
    display: block;
    width: 100%;
    height: 30%;
    position: absolute;
    bottom: 0;
    left: 0;
    background: linear-gradient(to top, var(--gray-500) 2%, #1c1c1c00);
} */
.popup .play_btn {
    width: var(--fab-btn-size);
    height: var(--fab-btn-size);
    background: white;
    border-radius: 50%;
    color: var(--black);
    font-size: var(--ft34);
    position: absolute;
    left: var(--popup-padding);
    bottom: calc(var(--popup-padding) / 2);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.popup .play_btn span {
    font-size: inherit;
}
.popup .prj_info {
    padding-top: 30px;
    padding-bottom: 70px;
    padding-left: var(--popup-padding);
    padding-right: var(--popup-padding);
    display: grid;
    grid-template-columns: 1fr 27.5%;
    gap: 100px;
}
.popup .prj_info .prj_name {
    font-size: var(--ft17);
    color: var(--gray-300);
}
.popup .prj_info .title {
    font-size: var(--ft22);
    color: white;
    font-weight: var(--bold);
    margin-bottom: 14px;
}
.popup .prj_info .desc {
    font-size: var(--ft17);
    color: var(--gray-200);
    max-height: 60px;
    min-height: 50px;
    overflow-y: auto;
}
.popup .prj_info dl {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 16px;
}
.popup .prj_info dt {
    font-size: var(--ft15);
    color: var(--gray-400);
}
.popup .prj_info dd {
    font-size: var(--ft15);
    color: var(--gray-200);
    font-family: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
}
.popup .prj_info dd p {
    font-size: inherit;
    color: inherit;
    display: inline;
    white-space: pre;
}


.p_con_swiper-prev,
.p_con_swiper-next {
    width: 50px;
    height: auto;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: white;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    opacity: 0;
    transition: opacity .3s ease;
    cursor: pointer;
}
.p_con_swiper-prev span,
.p_con_swiper-next span {
    font-size: var(--ft22);
}
.p_con_swiper-prev {
    left: 0;
}
.p_con_swiper-next {
    right: 0;
}
.prj_con_swiper:hover .p_con_swiper-prev:not(.swiper-button-disabled),
.prj_con_swiper:hover .p_con_swiper-next:not(.swiper-button-disabled) {
    opacity: 1;
}
.swiper-button-disabled {
    opacity: 0;
    pointer-events: none;
}
.play_btn {
    transition: background .3s ease;
}
.play_btn:hover {
    background: #ffffffc5;
}

@media (hover:none) and (pointer:coarse) {
    /* mobile */
}
@media all and (max-width: 1200px) {
    
}

@media all and (max-width: 960px) {
    :root {
        --fab-btn-size: 60px;
        --popup-padding: 40px;
    }
    .main {
        min-height: 500px;
        height: auto;
    }
    .main .inner {
        padding-top: 50vw;
    }
    .main .text_wrap {
        width: 80%;
    }
    .sec_wrap {
        margin-top: -160px;
    }

    .filter_area .drop_down {
        width: 150px;
    }
    .popup .prj_info {
        gap: 60px;
        padding-top: 20px;
        padding-bottom: 50px;
    }
    .popup .prj_info dl {
        grid-template-columns: 50px 1fr;
        gap: 10px;
    }
   
}

@media all and (max-width: 600px) {
    :root {
        --fab-btn-size: 50px;
        --popup-padding: 30px;
    }
    
    .main .text_wrap {
        width: 100%;
    }
    .main .p_title {
        font-size: var(--ft24);
        margin-bottom: 10px;
    }
    .main .p_desc {
        font-size: var(--ft18);
        margin-bottom: 30px;
    }
    .prj_list {
        gap: 30px;
    }
    .prj_name {
        font-size: var(--ft20);
        margin-bottom: 14px;
    }

    .null_box {
        padding: 80px 0;
    }

    /* popup */
    .popup .prj_info {
        gap: 60px;
        grid-template-columns: 1fr;
    }
    .popup .prj_info .desc {
        max-height: unset;
        overflow-y: visible;
    }
    .popup .prj_info dl {
        grid-template-columns: 50px 1fr;
        gap: 10px;
    }
    .p_con_swiper-prev,
    .p_con_swiper-next {
        width: 40px;
    }
}