:root {
    --height: calc( 80vh - 50px );
    --width: 450px;
}
img{
    border: none !important; 
    outline: none !important; 
    box-shadow: none !important;
}

button:focus{
    box-shadow: none;
    outline: none;

}
.carousel {
    display: grid;
    transform: translate3d(0,0,0.1px);
}

.carousel__list {
    display: flex;
    overflow: hidden;
    list-style: none;
    padding: 2em 0 3em;
    margin: 0;
    contain: layout;
    isolation: isolate;
}

.carousel__item {
    display: grid;
    position: relative;
    align-content: start;
    margin: 0 10px;
    padding: 0;
    flex: 1 1 10%;
    height: var(--height);
    overflow: hidden;
    background: rgba(255,255,255,0.2);
    border-radius: 25px;
    transform: translate3d(0,0,0.1px);
    /* box-shadow: rgba(0, 0, 0, 0.4) 0px 3px 15px 2px, rgba(0, 0, 0, 0.2) 0px 12px 28px 0px, rgba(0, 0, 0, 0.1) 0px 2px 4px 0px, rgba(255, 255, 255, 0.05) 0px 0px 0px 1px inset; */
    contain: layout;
    isolation: isolate;
}

.carousel__item,
.carousel__item * {
    transition: all .6s cubic-bezier(.55,.24,.18,1);
    user-select: none;
}

.carousel__image,
.carousel__contents {
    width: var(--width);
    height: auto;
}

.carousel__item:hover {
    flex-basis: calc( var(--width) / 2 );
    transition: all 0.3s ease;
}

.carousel__item[data-active] {
    flex-basis: var(--width);
    flex-grow: 0;
}

@media screen and (max-width: 800px) {
    .carousel__item {
        flex-basis: 15%;
    }
}

@media screen and (max-width: 600px) {
    
    .carousel__item {
        flex-basis: 10%;
        margin: 0 5px;
        border-radius: 8px;
        font-size: 3vw;
        height: 300px;
    }
    
    .carousel__item[data-active] {
        flex-basis: 45%;
        flex-grow: 0;
    }

    .carousel__item:nth-child(3),
    .carousel__item:nth-child(7) {
        flex: 0 0 10px;
        display: none;
    }

    .carousel__item:nth-child(2),
    .carousel__item:nth-child(8) {
        flex: 0 0 5px;
        transform: translateX(-50px);
    }

    .carousel__item:nth-child(8) {
        transform: translateX(50px);
    }

    .carousel__item:nth-child( 1 ),
    .carousel__item:nth-child( n + 9 ) {
        flex: 0 0 0px;
        margin: 0;
        box-shadow: none;
        opacity: 0!important;
    }

    .carousel__item:not(:nth-child( n + 5 )) img,
    .carousel__item:nth-child( n + 7 ) img {
        opacity: 0.8;
    }

    .carousel__item:not(:nth-child( n + 4 )) *,
    .carousel__item:nth-child( n + 7 ) * {
        opacity: 0!important;
    }
    
}

@media screen and (min-width: 600px) {

    .carousel__item:nth-child(3),
    .carousel__item:nth-child(10) {
        flex: 0 0 10px;
        display: none;
    }

    .carousel__item:nth-child(2),
    .carousel__item:nth-child(11) {
        flex: 0 0 5px;
        transform: translateX(-50px);
    }

    .carousel__item:nth-child(11) {
        transform: translateX(50px);
    }

    .carousel__item:nth-child( 1 ),
    .carousel__item:nth-child( n + 12 ) {
        flex: 0 0 0px;
        margin: 0;
        box-shadow: none;
        opacity: 0!important;
    }

    .carousel__item:not(:nth-child( n + 5 )) img,
    .carousel__item:nth-child( n + 9 ) img {
        opacity: 1;
        box-shadow: none !important;
    }

    .carousel__item:not(:nth-child( n + 4 )) *,
    .carousel__item:nth-child( n + 10 ) * {
        opacity: 0!important;
    }
    
}

.carousel__item img {
    display: block;
    position: absolute;
    width: var(--width);
    height: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    aspect-ratio: 2/3;
    object-fit: cover;
    /* filter: saturate(0.2) contrast(0.75) brightness(1.1); */
}

.carousel__item::after {
    content: "";
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 1;
    background: linear-gradient(160deg, rgba(2,0,36,0) 40%, rgba(118,221,136,.5) 70%, rgba(0,255,246,.6) 100%);
    transition: all .66s cubic-bezier(.55,.24,.18,1);
}

.carousel__item[data-active]::after {
    transform: translateY(100%);
}

.carousel__item[data-active],
.carousel__item[data-active] * {
    opacity: 1;
    /* filter: none; */
}

.carousel__contents {
    display: flex;
    flex-direction: column-reverse;
    justify-content: start;
    min-height: 200px;
    padding: 1em;
    z-index: 2;
    background-image: radial-gradient( ellipse at 0px 0px, rgba(0,0,0,0.4) 20%, transparent 50% );
    background-size: 170% 200px;
    background-repeat: no-repeat;
    position: absolute;
    top: 0;
    left: 0;
}

.carousel__contents .user__name {
    color: #e8eff4;
    font-size: 1.75em;
    font-weight: 600;
    letter-spacing: .8px;
    text-shadow: 0 1px 0 rgba(0,0,0,0.3);
}

.carousel__contents .user__title {
    font-size: .875em;
    letter-spacing: 1.25px;
    font-weight: 500;
    text-transform: uppercase;
    color: transparent;
    background: linear-gradient( 270deg, rgb(67, 255, 0), rgb(0, 255, 247) );
    background-clip: text;
    -webkit-background-clip: text;
    opacity: 0.85;
    text-wrap: balance;
    margin-bottom: 0.5em;
}

.carousel__contents .user__title,
.carousel__contents .user__name {
    margin: 0;
    line-height: 1.1;
    opacity: 0;
    transform: translateX(-200px);
    transition-duration: 1s;
    max-width: 18em;
}

@media screen and (max-width: 800px) {
    .carousel__item img {
        width: calc(var(--width) * .5);
    }
    .carousel__contents {
        transform: translateX(-100%) rotate(270deg);
        transform-origin: bottom right;
        align-items: end;
        justify-content: start;
        background-image: radial-gradient( ellipse at 100% 100%, rgba(0, 0, 0,.4) 0%, transparent 50% );
        background-position: -100% 100%;
        flex-direction: column;
        position: absolute;
        top: -100px;
        left: 204px;
        text-align: right;
    }
    [data-active] .carousel__contents {
        background-position: 100% 100%;
    }
    .carousel__contents .user__title,
    .carousel__contents .user__name {
        max-width: 70vh;
        transform: translateX(200px);        
    }
}

[data-active] .carousel__contents * {
    transform: translateX(0px); 
    transition-duration: 0.66s;
    opacity: 1;
}
[data-active] .carousel__contents .user__name {
    transition-delay: 0.1s;
}
[data-active] .carousel__contents .user__title {
    opacity: 0.85; 
    transition-delay: 0.05s;
}

/*


    non-demo css
*/

.accordion__nav{
    margin-top: -177px;
    position: relative;
    z-index: 1;
}

.carousel__nav {
    padding: 1em;
    justify-self: end;
    grid-row: 1;
    display: flex;
    /* justify-content: space-between; */
    gap: 1em;
}

.carousel__nav button{
    cursor: pointer;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius:50%;
    padding: 7px;
    width: 50px;
    color:#858585 ;
    font-size: 24px;
}
.carousel__nav button:hover,.carousel__nav button:focus{
    background-color: #f1f1f1;

}

@media(max-width: 767px){
    .accordion__nav{
        margin-top: 0;
        position: relative;
        z-index: 1;
        margin: 0 auto;
    }
    .carousel__list{
        padding: 0;
    }
}