@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

a{
    text-decoration: none;
}
header{
    width: 1140px;
    max-width: 80%;
    margin: auto;
    height: 50px;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 100;
}
header a{
    color: #eee;
    margin-right: 40px;
}
/* carousel */
.carousel{
    height: 100vh;
    margin-top: 1px;
    width: 98.6vw;
    overflow: hidden;
    position: relative;
  }
.carousel .list .item{
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0 0 0 0;
}
.carousel .list .item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.carousel .list .item .content{
    position: absolute;
    top: 20%;
    width: 1140px;
    max-width: 80%;
    left: 45%;
    transform: translateX(-50%);
    padding-right: 30%;
    box-sizing: border-box;
    color: #fff;
    text-shadow: 0 5px 10px #0004;
}
.carousel .list .item .author{
    font-weight: bold;
    letter-spacing: 10px;
}
.carousel .list .item .title,
.carousel .list .item .topic{
    font-size: 5em;
    font-weight: bold;
    line-height: 1.3em;
}
.carousel .list .item .topic{
    color: #f1683a;
}
.carousel .list .item .buttons{
    display: grid;
    grid-template-columns: repeat(2, 130px);
    grid-template-rows: 40px;
    gap: 5px;
    margin-top: 20px;
}
.carousel .list .item .buttons button{
    border: none;
    background-color: #eee;
    letter-spacing: 3px;
    font-family: Poppins;
    font-weight: 500;
}
.carousel .list .item .buttons button:nth-child(2){
    background-color: transparent;
    border: 1px solid #fff;
    color: #eee;
}
/* thumbail */
.thumbnail{
    position: absolute;
    bottom: 10px;
    left: 58%;
    width: max-content;
    z-index: 100;
    display: flex;
    gap: 5px;
}
.thumbnail .item{
    width: 150px;
    height: 220px;
    flex-shrink: 0;
    position: relative;
}
.thumbnail .item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}
.thumbnail .item .content{
    color: #fff;
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
}
.thumbnail .item .content .title{
    font-weight: 500;
}
.thumbnail .item .content .description{
    font-weight: 300;
}
/* arrows */
.arrows{
    position: absolute;
    top: 80%;
    right: 52%;
    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 .list .item:nth-child(1){
    z-index: 1;
}

/* animation text in first item */

.carousel .list .item:nth-child(1) .content .author,
.carousel .list .item:nth-child(1) .content .title,
.carousel .list .item:nth-child(1) .content .topic,
.carousel .list .item:nth-child(1) .content .des,
.carousel .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 .list .item:nth-child(1) .content .title{
    animation-delay: 1.2s!important;
}
.carousel .list .item:nth-child(1) .content .topic{
    animation-delay: 1.4s!important;
}
.carousel .list .item:nth-child(1) .content .des{
    animation-delay: 1.6s!important;
}
.carousel .list .item:nth-child(1) .content .buttons{
    animation-delay: 1.8s!important;
}
/* create animation when next click */
.carousel.next .list .item:nth-child(1) img{
    width: 150px;
    height: 220px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    border-radius: 30px;
    animation: showImage .5s linear 1 forwards;
}
@keyframes showImage{
    to{
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}

.carousel.next .thumbnail .item:nth-last-child(1){
    overflow: hidden;
    animation: showThumbnail .5s linear 1 forwards;
}
.carousel.prev .list .item img{
    z-index: 100;
}
@keyframes showThumbnail{
    from{
        width: 0;
        opacity: 0;
    }
}
.carousel.next .thumbnail{
    animation: effectNext .5s linear 1 forwards;
}

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

/* running time */

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

.carousel.next .time,
.carousel.prev .time{
    animation: runningTime 3s linear 1 forwards;
}
@keyframes runningTime{
    from{ width: 100%}
    to{width: 0}
}


/* prev click */

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

.carousel.prev .list .item:nth-child(2) img{
    animation: outFrame 0.5s linear 1 forwards;
    position: absolute;
    bottom: 0;
    left: 0;
}
@keyframes outFrame{
    to{
        width: 150px;
        height: 220px;
        bottom: 50px;
        left: 50%;
        border-radius: 20px;
    }
}

.carousel.prev .thumbnail .item:nth-child(1){
    overflow: hidden;
    opacity: 0;
    animation: showThumbnail .5s linear 1 forwards;
}
.carousel.next .arrows button,
.carousel.prev .arrows button{
    pointer-events: none;
}
.carousel.prev .list .item:nth-child(2) .content .author,
.carousel.prev .list .item:nth-child(2) .content .title,
.carousel.prev .list .item:nth-child(2) .content .topic,
.carousel.prev .list .item:nth-child(2) .content .des,
.carousel.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 .list .item .content{
        padding-right: 0;
    }
    .carousel .list .item .content .title{
        font-size: 30px;
    }
}









.bg {
    background: url(https://i.ibb.co/87GbbFP/2799006.jpg) no-repeat;
    background-size: cover;
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -3;
}
.bg:before {
    content: "";
    width: 100%;
    height: 100%;
    background: #000;
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
    opacity: 0.3;
}
@keyframes sf-fly-by-1 {
    from {
        transform: translateZ(-600px);
        opacity: 0.5;
    }
    to {
        transform: translateZ(0);
        opacity: 0.5;
    }
}
@keyframes sf-fly-by-2 {
    from {
        transform: translateZ(-1200px);
        opacity: 0.5;
    }
    to {
        transform: translateZ(-600px);
        opacity: 0.5;
    }
}
@keyframes sf-fly-by-3 {
    from {
        transform: translateZ(-1800px);
        opacity: 0.5;
    }
    to {
        transform: translateZ(-1200px);
        opacity: 0.5;
    }
}
.star-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    perspective: 600px;
    -webkit-perspective: 600px;
    z-index: -1;
}
.star-field .layer {
    box-shadow: -411px -476px #cccccc, 777px -407px #d4d4d4, -387px -477px #fcfcfc, -91px -235px #d4d4d4, 491px -460px #f7f7f7, 892px -128px #f7f7f7, 758px -277px #ededed, 596px 378px #cccccc, 647px 423px whitesmoke, 183px 389px #c7c7c7,
        524px -237px #f0f0f0, 679px -535px #e3e3e3, 158px 399px #ededed, 157px 249px #ededed, 81px -450px #ebebeb, 719px -360px #c2c2c2, -499px 473px #e8e8e8, -158px -349px #d4d4d4, 870px -134px #cfcfcf, 446px 404px #c2c2c2,
        440px 490px #d4d4d4, 414px 507px #e6e6e6, -12px 246px #fcfcfc, -384px 369px #e3e3e3, 641px -413px #fcfcfc, 822px 516px #dbdbdb, 449px 132px #c2c2c2, 727px 146px #f7f7f7, -315px -488px #e6e6e6, 952px -70px #e3e3e3,
        -869px -29px #dbdbdb, 502px 80px #dedede, 764px 342px #e0e0e0, -150px -380px #dbdbdb, 654px -426px #e3e3e3, -325px -263px #c2c2c2, 755px -447px #c7c7c7, 729px -177px #c2c2c2, -682px -391px #e6e6e6, 554px -176px #ededed,
        -85px -428px #d9d9d9, 714px 55px #e8e8e8, 359px -285px #cfcfcf, -362px -508px #dedede, 468px -265px #fcfcfc, 74px -500px #c7c7c7, -514px 383px #dbdbdb, 730px -92px #cfcfcf, -112px 287px #c9c9c9, -853px 79px #d6d6d6,
        828px 475px #d6d6d6, -681px 13px #fafafa, -176px 209px #f0f0f0, 758px 457px #fafafa, -383px -454px #ededed, 813px 179px #d1d1d1, 608px 98px whitesmoke, -860px -65px #c4c4c4, -572px 272px #f7f7f7, 459px 533px #fcfcfc,
        624px -481px #e6e6e6, 790px 477px #dedede, 731px -403px #ededed, 70px -534px #cccccc, -23px 510px #cfcfcf, -652px -237px whitesmoke, -690px 367px #d1d1d1, 810px 536px #d1d1d1, 774px 293px #c9c9c9, -362px 97px #c2c2c2,
        563px 47px #dedede, 313px 475px #e0e0e0, 839px -491px #e3e3e3, -217px 377px #d4d4d4, -581px 239px #c2c2c2, -857px 72px #cccccc, -23px 340px #dedede, -837px 246px white, 170px -502px #cfcfcf, 822px -443px #e0e0e0, 795px 497px #e0e0e0,
        -814px -337px #cfcfcf, 206px -339px #f2f2f2, -779px 108px #e6e6e6, 808px 2px #d4d4d4, 665px 41px #d4d4d4, -564px 64px #cccccc, -380px 74px #cfcfcf, -369px -60px #f7f7f7, 47px -495px #e3e3e3, -383px 368px #f7f7f7, 419px 288px #d1d1d1,
        -598px -50px #c2c2c2, -833px 187px #c4c4c4, 378px 325px whitesmoke, -703px 375px #d6d6d6, 392px 520px #d9d9d9, -492px -60px #c4c4c4, 759px 288px #ebebeb, 98px -412px #c4c4c4, -911px -277px #c9c9c9;
    transform-style: preserve-3d;
    position: absolute;
    top: 50%;
    left: 50%;
    height: 4px;
    width: 4px;
    border-radius: 2px;
}
.star-field .layer:nth-child(1) {
    animation: sf-fly-by-1 5s linear infinite;
}
.star-field .layer:nth-child(2) {
    animation: sf-fly-by-2 5s linear infinite;
}
.star-field .layer:nth-child(3) {
    animation: sf-fly-by-3 5s linear infinite;
}