/* ===== stu-program ===== */

body {
    background: #EEEEEE;
}

.stu-program {
    margin-top: 100px;
    padding: 145px 0 200px;
    background: #EEEEEE;
}
.stu-program .sec-head {
    margin-bottom: 90px;
}
.stu-program .prog-list {
    max-width: 1620px;
    margin: 0 auto;
    box-sizing: border-box;
}


/* 카드 (PC: 지그재그) */
.stu-program .prog-item {
    position: relative;
    display: flex;
    width: calc(100% - 140px);
    height: 400px;
    border-radius: 60px;
    background: #fff;

    
}
.stu-program .prog-item:nth-child(even) {
    margin-left: auto;
}
.stu-program .prog-item + .prog-item {
    margin-top: 154px;
}
.stu-program .prog-item:last-child {
    margin-bottom: 80px;             /* 마지막 카드 아래 컨트롤 공간 */
}

/* 이동버튼 / 페이지네이션  */
.stu-program .swiper-custom-ctrl {
    position: absolute;
    bottom: -56px;
    left: 14.3%;
    z-index: 1;
}

.stu-program .swiper-custom-pagination {
    letter-spacing: 5px;
}


/* 이미지 슬라이더 */
.stu-program .prog-slider {
    position: relative;
    flex: 0 0 40%;
}
.stu-program .prog-slider .swiper {
    position: absolute;
    inset: 0;
    border-radius: 50px 0 0 50px;
    overflow: hidden;
}
.stu-program .prog-slider picture {
    display: block;
    height: 100%;
}
.stu-program .prog-slider img {
    display: block;
    width: 100%;
    height: 100%;
}
/* PC: 컨트롤은 이미지 아래(카드 밖) */
.stu-program .prog-slider .swiper-custom-ctrl {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    margin-top: 16px;
}

/* 텍스트 */
.stu-program .prog-txt {
    flex: 1;
    padding: 57px 40px 54px;
}
.stu-program .prog-tit {
    padding: 0 30px 25px;
    border-bottom: 1px solid #959595;
    font-size: 23px;
    font-family: 'pret-sb';
    line-height: 1.7;
}
.stu-program .prog-desc {
    padding: 30px 30px 0;
}
.stu-program .prog-desc li {
    font-size: 17px;
    line-height: 2;
}
.stu-program .prog-desc strong {
    font-weight: 700;
}


@media all and (max-width: 1500px) {
    
    .stu-program .prog-item { height: auto;}
}


/* ===== Mobile ===== */
@media all and (max-width: 1200px) {
    .stu-program {
        margin-top: 60px;
        padding: 50px 0 70px;
    }
    .stu-program .sec-head {
        margin-bottom: 50px;
    }
    .stu-program .prog-list {
        padding: 0 3.75%;
    }

    /* 일렬 배치 */
    .stu-program .prog-item {
        display: block;
        width: 100%;
        min-height: 0;
        border-radius: 30px;
        overflow: hidden;
    }
    .stu-program .prog-item + .prog-item {
        margin-top: 30px;
    }
    .stu-program .prog-item:last-child {
        margin-bottom: 0;
    }

    .stu-program .prog-slider .swiper {
        position: relative;
        inset: auto;
        aspect-ratio: 37 / 25;
        border-radius: 0;
    }
    /* 모바일: 컨트롤은 이미지와 텍스트 사이 */
    .stu-program .swiper-custom-ctrl {
        position: static;
        margin-top: 20px;
    }

    .stu-program .prog-txt {
        padding: 40px 25px;
    }
    .stu-program .prog-tit {
        padding: 0 0 20px;
        font-size: 20px;
        line-height: 1.4;
    }
    .stu-program .prog-desc {
        padding: 20px 0 0;
    }
    .stu-program .prog-desc li {
        font-size: 13px;
        line-height: 25px;
    }
}

@media all and (max-width:500px) {
    .stu-program .prog-desc li {
        font-size: 12px;
    }
}


.stu-program .prog-item {
    scroll-margin-top: 150px;     /* PC: 고정 헤더 높이 + 여유 20~30px */
}
@media all and (max-width: 1200px) {
    .stu-program .prog-item {
        scroll-margin-top: 100px; /* 모바일: 헤더 높이 + 여유 */
    }
}