/* 초기화 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: "Poppins", sans-serif;
}
a{
    text-decoration: none;
}
li{
    list-style: none;
}
/* header 영역 */
header{
    display: flex;
    align-items: center;
    position: relative;
    width: 1140px;
    height: 50px;
    max-width: 80%;
    margin: auto;
    z-index: 100;
}

/* slider 영역 */
.slider{
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    position: relative;
    margin-top: -50px;
}
.slider .list .item{
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0 0 0 0;
}
.slider .list .item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.slider .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;
}
.slider .list .item .content .title,
.slider .list .item .content .type{
    font-size: 5em;
    font-weight: bold;
    line-height: 1.3em;
}
.slider .list .item .content .type{
    color: #14ff72cb;
}
.slider .list .item .content .description{
    font-size: 14px;
    color: #000;
    font-weight: bold;
}
.slider .list .item .content .button{
    margin-top: 20px;
}
.slider .list .item .content .button button{
    border: none;
    background-color: #eee;
    padding: 7px 14px;
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 2px;
    transition: 0.4s;
}
.slider .list .item .content .button button:hover{
    background-color: #14ff72cb;
    color: #000;
}

/* Thumbnail 영역 */
.thumbnail{
    display: flex;
    gap: 20px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    width: max-content;
    z-index: 100;
}
.thumbnail .item{
    width: 150px;
    height: 220px;
    flex-shrink: 0;
    position: relative;
}
.thumbnail .item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
}

/* 다음 / 이전 버튼 영역 */
.nextPrevArrows{
    position: absolute;
    top: 80%;
    right: 52%;
    z-index: 100;
    width: 300px;
    max-width: 30%;
    display: flex;
    gap: 10px;
    align-items: center;
}

.nextPrevArrows button{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #14ff72cb;
    border: none;
    color: #fff;
    font-family: monospace;
    font-weight: bold;
    cursor: pointer;
    transition: 0.5s;
}
.nextPrevArrows button:hover{
    background-color: #fff;
    color: #000;
}

/* 애니메이션 영역 */
.slider .list .item:nth-of-type(1){
    z-index: 1;
}
.slider .list .item:nth-of-type(1) .content .title,
.slider .list .item:nth-of-type(1) .content .type,
.slider .list .item:nth-of-type(1) .content .description,
.slider .list .item:nth-of-type(1) .content .button{
    transform: translateY(50px);
    filter: blur(20px);
    opacity: 0;
    animation: showContent 0.5s 1s linear 1 forwards;
}

@keyframes showContent {
    to{
        transform: translateY(0px);
        filter: blur(0px);
        opacity: 1;
    }
}
.slider .list .item:nth-of-type(1) .content .title{
    animation-delay: 0.4s;
}
.slider .list .item:nth-of-type(1) .content .type{
    animation-delay: 0.6s;
}
.slider .list .item:nth-of-type(1) .content .description{
    animation-delay: 0.8s;
}
.slider .list .item:nth-of-type(1) .content .button{
    animation-delay: 1s;
}

/* 다음 버튼 클릭 시 애니메이션 */
.slider.next .list .item:nth-child(1) img{
    width: 150px;
    height: 220px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    border-radius: 30px;
    animation: showImage 0.5s linear 1 forwards;
}

/* CSS 애니메이션 효과 */
@keyframes showImage {
    to{
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}

.slider.next .thumbnail .item:nth-last-child(1){
    overflow: hidden;
    animation: showThumbnail 0.5s linear 1 forwards;
}
.slider.prev .list .item img{
    z-index: 100;
}

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

.slider.next .thumbnail{
    animation: effectNext .5s linear 1 forwards;
}

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

/* 이전 버튼 클릭 시 애니메이션 */
.slider.prev .list .item:nth-last-child(2) img{
    position: absolute;
    bottom: 0;
    left: 0;
    animation: outFrame 0.5s linear 1 forwards;
}

@keyframes outFrame {
    to{
        width: 150px;
        height: 220px;
        bottom: 50px;
        left: 50%;
        border-radius: 20px;
    }
}

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

.slider.prev .list .item:nth-of-type(1) .content .title,
.slider.prev .list .item:nth-of-type(1) .content .type,
.slider.prev .list .item:nth-of-type(1) .content .description,
.slider.prev .list .item:nth-of-type(1) .content .button{
    animation: contentOut 0.5s 1s linear 1 forwards;
}
@keyframes contentOut {
    to{
        transform: translateY(-150px);
        filter: blur(20px);
        opacity: 0;
    }
}

/* 반응형 스타일 */
@media screen and (max-width: 480px){
    .slider .list .item .content{
        padding-right: 0;
    }

    .slider .list .item .content .type{
        font-size: 3em;
    }
}