/* carousel */
.carousel-hero-section {
    height: 520px;
    overflow: hidden;
    position: relative;
}

.carousel-hero-section .list .item {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0 0 0 0;
}

.carousel-hero-section .list .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
}

.carousel-hero-section .list .item .content {
    position: absolute;
    top: 20%;
    width: 1140px;
    max-width: 80%;
    left: 50%;
    transform: translateX(-50%);
    padding-right: 30%;
    box-sizing: border-box;
    color: #fff;
    text-shadow: 0 5px 10px #0004;
}

.carousel-hero-section .list .item .author {
    font-weight: bold;
}

.carousel-hero-section .list .item .author a {
    color: #fff;
}

.carousel-hero-section .list .item .title,
.carousel-hero-section .list .item .topic {
    font-size: 3em;
    font-weight: bold;
    line-height: 1.3em;
}

.carousel-hero-section .list .item .topic {
    color: #f1683a;
}

.carousel-hero-section .list .item .buttons {
    display: grid;
    grid-template-columns: repeat(2, 130px);
    grid-template-rows: 40px;
    gap: 5px;
    margin-top: 20px;
}

.carousel-hero-section .list .item .buttons button {
    border: none;
    background-color: #eee;
    letter-spacing: 3px;

    font-weight: 500;
}

.carousel-hero-section .list .item .buttons button:nth-child(2) {
    background-color: transparent;
    border: 1px solid #fff;
    color: #eee;
}

/* thumbail */
.thumbnail-hero-section {
    position: absolute;
    bottom: 120px;
    left: 50%;
    width: max-content;
    z-index: 100;
    display: flex;
    gap: 25px;
}

.thumbnail-hero-section .item {
    width: 170px;
    height: 230px;
    flex-shrink: 0;
    position: relative;
    border-radius: 8px;
    box-shadow: 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;
    border: 3px solid #fff;
}

.thumbnail-hero-section .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    filter: brightness(0.9);

}

.thumbnail-hero-section .item .content {
    color: #fff;
    position: absolute;
    bottom: 10px;
    padding: 0 10px;
}

.thumbnail-hero-section .item .content-dark {
    position: absolute;
    height: 80px;
    width: 100%;
    bottom: 0px;
    padding: 0 10px;
    background-color: #000;
    filter: blur(3px);
    opacity: 0.3;
}

.thumbnail-hero-section .item .content .title {
    font-weight: 500;
}

.thumbnail-hero-section .item .content .title a {
    color: #fff;
}

.thumbnail-hero-section .item .content .description {
    font-weight: 300;
}

/* arrows */
.arrows {
    position: absolute;
    top: 87%;
    left: 50%;
    z-index: 100;
    width: 300px;
    max-width: 30%;
    display: flex;
    gap: 10px;
    align-items: center;
}

.arrows button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #eee4;
    border: none;
    color: #fff;
    font-family: monospace;
    font-weight: bold;
    transition: .5s;
}

.arrows button:hover {
    background-color: #fff;
    color: #000;
}

/* animation */
.carousel-hero-section .list .item:nth-child(1) {
    z-index: 1;
}

/* animation text in first item */

.carousel-hero-section .list .item:nth-child(1) .content .author,
.carousel-hero-section .list .item:nth-child(1) .content .title,
.carousel-hero-section .list .item:nth-child(1) .content .topic,
.carousel-hero-section .list .item:nth-child(1) .content .des,
.carousel-hero-section .list .item:nth-child(1) .content .buttons {
    transform: translateY(50px);
    filter: blur(20px);
    opacity: 0;
    animation: showContent .5s 1s linear 1 forwards;
}

@keyframes showContent {
    to {
        transform: translateY(0px);
        filter: blur(0px);
        opacity: 1;
    }
}

.carousel-hero-section .list .item:nth-child(1) .content .title {
    animation-delay: .9s !important;
}

.carousel-hero-section .list .item:nth-child(1) .content .topic {
    animation-delay: 1.1s !important;
}

.carousel-hero-section .list .item:nth-child(1) .content .des {
    animation-delay: 1s !important;
}

.carousel-hero-section .list .item:nth-child(1) .content .buttons {
    animation-delay: 1.8s !important;
}

/* create animation when next click */
.carousel-hero-section.next .list .item:nth-child(1) img {
    width: 170px;
    height: 230px;
    position: absolute;
    bottom: 120px;
    left: 50%;
    border-radius: 30px;
    animation: showImage .3s linear 1 forwards;
}

@keyframes showImage {
    to {
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}

.carousel-hero-section.next .thumbnail-hero-section .item:nth-last-child(1) {
    overflow: hidden;
    animation: showThumbnail .5s linear 1 forwards;
}

.carousel-hero-section.prev .list .item img {
    z-index: 100;
}

@keyframes showThumbnail {
    from {
        width: 0;
        opacity: 0;
    }
}

.carousel-hero-section.next .thumbnail-hero-section {
    animation: effectNext .5s linear 1 forwards;
}

@keyframes effectNext {
    from {
        transform: translateX(150px);
    }
}

/* running time */

.carousel-hero-section .time {
    position: absolute;
    z-index: 1000;
    width: 0%;
    height: 3px;
    background-color: #f1683a;
    left: 0;
    top: 0;
}

.carousel-hero-section.next .time,
.carousel-hero-section.prev .time {
    animation: runningTime 2s linear 1 forwards;
}

@keyframes runningTime {
    from {
        width: 100%
    }

    to {
        width: 0
    }
}


/* prev click */

.carousel-hero-section.prev .list .item:nth-child(2) {
    z-index: 2;
}

.carousel-hero-section.prev .list .item:nth-child(2) img {
    animation: outFrame 0.5s linear 1 forwards;
    position: absolute;
    bottom: 0;
    left: 0;
}

@keyframes outFrame {
    to {
        width: 170px;
        height: 230px;
        bottom: 120px;
        left: 50%;
        border-radius: 8px;
    }
}

.carousel-hero-section.prev .thumbnail-hero-section .item:nth-child(1) {
    overflow: hidden;
    opacity: 0;
    animation: showThumbnail .5s linear 1 forwards;
}

.carousel-hero-section.next .arrows button,
.carousel-hero-section.prev .arrows button {
    pointer-events: none;
}

.carousel-hero-section.prev .list .item:nth-child(2) .content .author,
.carousel-hero-section.prev .list .item:nth-child(2) .content .title,
.carousel-hero-section.prev .list .item:nth-child(2) .content .topic,
.carousel-hero-section.prev .list .item:nth-child(2) .content .des,
.carousel-hero-section.prev .list .item:nth-child(2) .content .buttons {
    animation: contentOut 1.5s linear 1 forwards !important;
}

@keyframes contentOut {
    to {
        transform: translateY(-150px);
        filter: blur(20px);
        opacity: 0;
    }
}

@media screen and (max-width: 678px) {
    .carousel-hero-section .list .item .content {
        padding-right: 0;
    }

    .carousel-hero-section .list .item .content .title {
        font-size: 30px;
    }
}

@media only screen and (max-width: 770px) {

    .carousel-hero-section .list .item .content {
        left: 43%;
        top: 32%;
    }

    .carousel-hero-section .list .item .title,
    .carousel-hero-section .list .item .topic {
        font-size: 1.5em !important;
        font-weight: bold;
        line-height: 1.3em;
        width: 54% !important;
    }
}