/*==================================================
            MOBILE & TABLET FLIP CARD
==================================================*/

@media (max-width:991px) {

    .course-card {
        perspective: 1400px;
    }

    .course-card-inner {
        position: relative;
        width: 100%;
        min-height: 500px;
        transform-style: preserve-3d;
        transition: transform .7s ease;
    }

    .course-card.flipped .course-card-inner {
        transform: rotateY(180deg);
    }

    .course-card-front,
    .course-card-back {

        position: absolute;
        inset: 0;

        width: 100%;
        height: 100%;

        display: flex;
        flex-direction: column;

        background: #fff;

        border-radius: 22px;

        overflow: hidden;

        border: 1px solid rgba(239, 144, 45, .15);

        box-shadow: 0 12px 35px rgba(0, 0, 0, .08);

        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;

    }

    .course-card-front {

        transform: rotateY(0deg);

    }

    .course-card-back {

        transform: rotateY(180deg);

        padding: 18px;

    }

    /*======================
    HEADER
======================*/

    .course-back-header {

        text-align: center;

        margin-bottom: 10px;

    }

    .course-back-header h3 {

        font-size: 20px;

        color: #222;

        margin: 0;

        font-weight: 700;

    }

    .course-back-header p {

        display: none;

    }

    /*======================
    ACCORDION
======================*/

    .course-accordion {

        flex: 1;

        display: flex;

        flex-direction: column;

        gap: 8px;

    }

    /*======================
    ACCORDION ITEMS
======================*/

    .accordion-item {

        background: #fff;

        border: 1px solid #ececec;

        border-radius: 14px;

        flex-shrink: 0;

        overflow: hidden;

        transition: .3s ease;

    }

    .accordion-item:hover {

        border-color: rgba(239, 144, 45, .45);

        box-shadow: 0 6px 16px rgba(239, 144, 45, .10);

    }

    .accordion-btn {

        width: 100%;

        display: flex;

        justify-content: space-between;

        align-items: center;

        gap: 12px;

        background: transparent;

        border: none;

        cursor: pointer;

        padding: 13px 15px;

        font-size: 14px;

        font-weight: 600;

        color: #222;

        transition: .3s;

    }

    .accordion-btn span {

        display: flex;

        align-items: center;

        gap: 10px;

        flex: 1;

        min-width: 0;

        text-align: left;

    }

    .accordion-btn span i {

        color: #ef902d;

        font-size: 15px;

        min-width: 18px;

    }

    .accordion-btn .fa-plus {

        color: #ef902d;

        transition: .3s;

        font-size: 16px;

        flex-shrink: 0;

        margin-left: 12px;

    }

    .accordion-item.active .fa-plus {

        transform: rotate(45deg);

    }

    .accordion-content {

        max-height: 0;

        overflow: hidden;

        padding: 0 15px;

        font-size: 13px;

        color: #666;

        line-height: 1.7;

        transition: max-height .35s ease, padding .35s ease;

    }

    .accordion-item.active .accordion-content {

        max-height: 420px;

        padding: 0 15px 14px;

    }

    .accordion-item.active .accordion-content::-webkit-scrollbar {

        width: 4px;

    }

    .accordion-item.active .accordion-content::-webkit-scrollbar-track {

        background: #f5f5f5;

        border-radius: 20px;

    }

    .accordion-item.active .accordion-content::-webkit-scrollbar-thumb {

        background: #ef902d;

        border-radius: 20px;

    }

    .accordion-item.active .accordion-content {

        scrollbar-width: thin;

        scrollbar-color: #ef902d #f5f5f5;

    }

    /*======================
    BUTTONS
======================*/

    .course-back-buttons {
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid #eee;

        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .course-back-buttons .btn-fill,
    .course-back-buttons .btn-outline {

        display: flex;

        align-items: center;

        justify-content: center;

        font-size: 14px;

        font-weight: 600;

    }

    .course-back-buttons .btn-fill {
        width: 100%;
        height: 48px;
    }

    .btn-back {
        display: flex;
        align-items: center;
        gap: 8px;

        border: none;
        background: transparent;

        color: #666;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;

        transition: .3s;
    }

    .btn-back:hover {
        color: #ef902d;
    }

    /*======================
    SCROLLBAR
======================*/

    .course-accordion {

        min-height: 0;

        overflow-y: auto;

        -webkit-overflow-scrolling: touch;

        touch-action: pan-y;

        overscroll-behavior: contain;

        scrollbar-width: thin;

        scrollbar-color: #ef902d #f5f5f5;

    }

    .course-accordion::-webkit-scrollbar {

        width: 4px;

    }

    .course-accordion::-webkit-scrollbar-track {

        background: #f5f5f5;

        border-radius: 20px;

    }

    .course-accordion::-webkit-scrollbar-thumb {

        background: #ef902d;

        border-radius: 20px;

    }

}

/*==================================================
                    DESKTOP
==================================================*/

@media (min-width:992px) {

    .course-card {
        perspective: none !important;
        height: auto !important;
        min-height: auto !important;
    }

    .course-card-inner {
        position: static !important;
        transform: none !important;
        height: auto !important;
        min-height: auto !important;
    }

    .course-card-front {
        position: relative !important;
        inset: auto !important;
        transform: none !important;
        height: auto !important;
    }

    .course-card-back {
        display: none !important;
    }

    .flip-back {
        display: none !important;
    }

}

/*==================================================
                COMMON FLIP RULES
==================================================*/

.course-card.flipped .course-card-inner {
    transform: rotateY(180deg);
}

.course-card-front,
.course-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.course-card-back {
    transform: rotateY(180deg);
}

/*==================================================
                SMALL MOBILE
==================================================*/

@media (max-width:576px) {

    .course-card-inner {
        min-height: 480px;
    }

    .course-card-back {
        padding: 16px;
    }

    .course-back-header h3 {
        font-size: 18px;
    }

    .accordion-btn {
        padding: 12px 14px;
        font-size: 13px;
    }

    .accordion-btn span {
        gap: 8px;
    }

    .accordion-btn span i {
        font-size: 14px;
    }

    .accordion-content {
        font-size: 12px;
        line-height: 1.6;
    }

    .course-back-buttons {
        gap: 6px;
        margin-top: 12px;
        padding-top: 12px;
    }

    .course-back-buttons .btn-fill,
    .course-back-buttons .btn-outline {
        height: 40px;
        font-size: 13px;
    }

    .btn-back {
        font-size: 13px;
    }

}

/*==================================================
                EXTRA SMALL (320px)
==================================================*/

@media (max-width:360px) {

    .course-card-inner {
        min-height: 470px;
    }

    .course-card-back {
        padding: 14px;
    }

    .course-back-header h3 {
        font-size: 17px;
    }

    .accordion-btn {
        padding: 10px 12px;
        font-size: 12px;
    }

    .accordion-content {
        font-size: 11px;
    }

    .course-back-buttons .btn-fill,
    .course-back-buttons .btn-outline {
        height: 38px;
        font-size: 12px;
    }

}

.course-info-row {

    margin: 18px 0;

    padding: 14px 0px;

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 15px;

    border-top: 1px solid #ececec;

    border-bottom: 1px solid #ececec;

}

.info-item {

    display: flex;

    align-items: center;

    gap: 8px;

    font-size: 15px;

    font-weight: 600;

    color: #333;

}

.info-item i {

    color: #ef902d;

    font-size: 18px;

}

@media (max-width:991px) {

    .course-content {

        padding: 18px;

    }

    .course-content h3 {

        margin: 12px 0 14px;

    }

}

@media (max-width:991px) {

    .course-card-front {

        cursor: pointer;

    }

    .course-card-front:active {

        transform: scale(.98);

        transition: .2s;

    }

}

@media (max-width:991px) {

    .course-btn {

        width: fit-content;

        margin-top: 12px;

        font-size: 15px;

        font-weight: 700;

    }

}