.use-cases {
    /* background-image: url('./../images/vtg/mockup_1.jpg'); */
    background-image: url('./../images/vtg/mockup_2.jpeg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #010a10;
    color: #FFF;
    position: relative;
}

.use-cases::before {
    content: '';
    position: absolute;
    background-image: linear-gradient(to bottom, #010a10 5%, rgba(1, 10, 16, .7) 50%, #010a10 95%);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.use-cases .container {
    position: relative;
    z-index: 2;
}

.case-content {
    display: flex;
    /* align-items: center; */
    justify-content: space-between;
    gap: 32px;
    min-height: 240px;
}

.use-cases .list-side {
    width: 35%;
}

.use-cases .detail-side {
    width: 65%;
}

@media only screen and (max-width: 990px) {
    .use-cases .list-side {
        width: 25%;
    }

    .use-cases .detail-side {
        width: 75%;
    }
}

@media only screen and (max-width: 750px) {
    .case-content {
        gap: 14px;
    }
}

.use-cases .list-group-item {
    width: 100%;
    background-color: transparent;
    border: none;
    font-size: 1.1rem;
    transition: all linear .2s;
    opacity: 0.7;
    position: relative;
    cursor: pointer;
}

.use-cases .list-group-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 1px;
    width: 2px;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all linear .2s;
}

.use-cases .list-group-item.active,
.use-cases .list-group-item:hover,
.use-cases .list-group-item:focus {
    opacity: 1;
}

.use-cases .list-group-item.active,
.use-cases .list-group-item.active:hover,
.use-cases .list-group-item.active:focus {
    background-color: transparent;
    border: none;
}

.use-cases .list-group-item.active:before {
    left: 0;
    width: 4px;
    background-color: #00FFFF;
}

.use-cases .nav-tabs {
    background-color: transparent;
    font-size: 1.2rem;
    margin: 0 auto;
    border: none;
    text-align: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.use-cases .nav-tabs>li {
    padding: 8px 14px;
    /* font-weight: 600; */
    float: none;
    display: inline-block;
    opacity: 0.7;
    cursor: pointer;
    position: relative;
    transition: all linear .2s;
}

.use-cases .nav-tabs>li:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    margin: auto;
    width: 0px;
    height: 3px;
    background-color: #00FFFF;
    /* background-image: linear-gradient(to left, #02131b80, #00FFFF); */
    transition: all linear .2s;
}

.use-cases .nav-tabs>li:hover,
.use-cases .nav-tabs>li.active {
    opacity: 1;
}

.use-cases .nav-tabs>li:hover:after,
.use-cases .nav-tabs>li.active:after {
    width: 100%;
}

.use-case-detail {
    position: relative;
}

.inner-detail-desc {
    max-width: 450px;
    font-size: 16px;
}