.video-background {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
    object-fit: cover;
}

.section {
    position: relative;
    width: 100%;
    height: 100vh;
    z-index: 2;
}

.shadow-title {
    position: fixed;
    bottom: 20px;
    right: 20px;
    text-align: right;
    font-size: 20px;
    line-height: 1;
    color: #ccc;
    font-weight: 700;
    letter-spacing: 1px;
    z-index: 2;
    opacity: 0.5;
}

.case-study-wrapper {
    position: absolute;
    top: 60%;
    left: 20px;
    z-index: 10;
    width: auto;
    margin: 0;
    padding: 0;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    list-style: none;
}

.case-study-wrapper .case-study-name {
    margin: 0;
    padding: 0;
}

.case-study-wrapper .case-study-name a {
    position: relative;
    list-style: none;
    margin: 0 auto;
    display: inline-block;
    text-align: center;
    padding: 0;
    margin-top: 6px;
    margin-bottom: 6px;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 1px;
    color: rgba(255,255,255,.3);
    text-decoration: none;
    -webkit-writing-mode: vertical-lr;
    writing-mode: vertical-lr;
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear; 
}    

.case-study-wrapper .case-study-name a:hover {
    text-decoration: none;
}    

.case-study-wrapper .case-study-name.active a {
    color: #fff;
}

.case-study-wrapper .case-study-name a:before {
    position: absolute;
    content: '';
    left: -5px;
    top: 50%;
    height: 0;
    width: 4px;
    transform: translateY(-50%);
    background: linear-gradient(45deg, #021243, #146dcd);
    -webkit-transition: all 200ms linear;
    transition: all 200ms linear;
}    

.case-study-wrapper .case-study-name:nth-child(2) a:before {
    background: linear-gradient(45deg, #021243, #146dcd);
}

.case-study-wrapper .case-study-name:nth-child(3) a:before {
    background: linear-gradient(45deg, #021243, #146dcd);
}

.case-study-wrapper .case-study-name:nth-child(4) a:before {
    background: linear-gradient(45deg, #021243, #146dcd);
}

.case-study-wrapper .case-study-name.active a:before {
    height: 100%;
}

.case-study-images {
    position: absolute;
    top: 57%;
    left: 70px;
    width: calc(100% - 90px);
    max-width: 500px;
    margin:0;
    padding: 0;
    z-index:5;
    list-style: none;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}    

.case-study-images li {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    margin:0;
    padding: 0;
    list-style: none;
    opacity: 0;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(14,14,14,.35);
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear;
}

.case-study-images li.show {
    opacity: 1;
} 

.case-study-images li img {
    width: 100%;
    height: 60% !important;
    display: block;
}

.case-study-images li p {
    position: absolute;
    top: 20px;
    left: 20px; 
    text-align: left;
    font-size: 13px;
    line-height: 1;
    letter-spacing: 1px;
    color: #fff;
    font-weight: 300;
    margin: 0;
    padding: 5px 10px;
    background-color: rgba(0,0,0,.8);
    border-radius: 3px;
}

.case-study-images li p:after {
    position: absolute;
    top: 100%;
    left: 0;
    content: '';
    height: 10px;
    width: 100%;
    background: linear-gradient(to top,rgba(0,0,0,.8) 0%,rgba(0,0,0,0) 100%);
}

.menu,
.menu:before,
.menu:after {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 50%;
    right: 20px;
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    content: '';
}

.menu:before {
    right: 0;
    width: 16px;
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear; 
}

.menu:after {
    right: 0;
    width: 10px;
    -webkit-transition: all 300ms linear;
    transition: all 300ms linear; 
}

.hover-target { cursor: pointer; }

.hover-target:hover .menu:before { width: 24px; }

.hover-target:hover .menu:after { width: 24px; }