@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&family=Rubik:ital,wght@0,300..900;1,300..900&display=swap');

body{
  font-family: Poppins;
 
  color: white;
  margin: 0;
  font-size: 12px;
}
a{
  text-decoration: none;
  color: white;

}
header{
  width: 1140px;
  max-width: 90%;
  margin: auto;
  height: 50px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
  
}
nav{
  margin-top: 20px;
background-color: rgba(0, 0, 0, 0.345);
  padding: 0 0 0px 30px;
  font-size: 1.1em;
}
nav a{

}
nav a:hover{
background-color: rgb(133, 129, 242);

}
header a{
  margin-right: 40px;
}

/* carousel */
.carousel{
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  margin-top: -50px;
  position: absolute;

}
.carousel .list .item{
  position: absolute;
  top: 0; /*inset*/
  left: 0;
  bottom: 0;
  right: 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: 50%;
  transform: translateX(-50%);
  padding-right: 30%;
  box-sizing: border-box;
  color: white;
  text-shadow: 0 5px 10px #0004
}
.carousel .list .item .content .author{
  font-weight: bold;
  letter-spacing: 10px;
}
.carousel .list .item .content .title,
.carousel .list .item .content .topic{
  font-size: 5em;
  font-weight: bold;
  font-size: 5em;
  line-height: 1.3em;
}
.carousel .list .item .content .topic{
  color: orange;
 
}
.carousel .list .item .content .buttons{
  display: grid;
  grid-template-columns: repeat(2, 130px);
  grid-template-rows: 40px;
  gap: 5px;
  margin-top: 20px;
  cursor: pointer;
  
}
.carousel .list .item .content .buttons a{
  color: black;
  cursor: pointer;
}
.carousel .list .item .content button{
  border: none;
  background: white;
  letter-spacing: 3px;
  font-family: Poppins;
  font-weight: 500; 
  
}
.carousel .list .item .content button:nth-child(2){
  background-color: transparent;
 color: white;
 border: 1px solid white;
}
/* thumbnail */
.thumbnail{
  position: absolute;
  bottom: 50px;
  left: 50%;
  width: max-content;
  z-index: 100;
  display: flex;
  gap: 20px;

}
.thumbnail .item{
  width: 150px;
  height: 190px;
  flex-shrink: 0;
  position: relative;
}
.thumbnail .item img{
width: 100%;
height: 100%;
object-fit: cover;
border-radius: 20px;
}
.thumbnail .item .content{
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
}
.thumbnail .item .content .title{
  font-weight: bold;
}
/* arrow */
.arrows{
  position: absolute;
  top: 80%;
  right: 52%;
  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;
  font-family: monospace;
  color: white;
  font-weight: bold;
  font-size: large;
  transition:  0.5s;
  z-index: 100;
}
.arrows button:hover{
  background-color: #eeee;
  color: #555;
}
.carousel .list .item:nth-child(1){
  z-index: 1;
}
.carousel .list .item:nth-child(1) .author,
.carousel .list .item:nth-child(1) .title,
.carousel .list .item:nth-child(1) .topic,
.carousel .list .item:nth-child(1) .des,
.carousel .list .item:nth-child(1) .buttons{
  transform: translateY(50px);
  filter: blur(20px);
  opacity: 0;
  animation: showContent 1s linear 1 forwards;
}
@keyframes showContent{
  to{
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}
.carousel .list .item:nth-child(1) .title{
  animation-delay: 1.2s; 
}
.carousel .list .item:nth-child(1) .topic{
  animation-delay: 1.4s; 
}
.carousel .list .item:nth-child(1) .des{
  animation-delay: 1.6s; 
}
.carousel .list .item:nth-child(1) .buttons{
  animation-delay: 1.8s; 
}

/* effect next click */
.carousel.next .list .item:nth-child(1) img{
  width: 150px;
  height: 220px;
  position: absolute;
  left: 50%;
  bottom: 50px;
  border-radius: 20px;
  animation: showImage 1s linear 1 forwards;
}
@keyframes showImage{
  to{
    width: 100%;
    height: 100%;
    bottom: 0;
    left: 0;
    border-radius: 0;
  }
}
.carousel .next .thumbnail .item:nth-last-child(1){
  width: 0;
  overflow: hidden;
  animation:  showThumbnail 0.5s linear 1 forwards;
}
@keyframes showThumbnail{
  to{
    width: 150px;
  }
}
.carousel.next .thumbnail{
  transform: translateX(150px);
  animation: transformThumbnail 0.5s linear 1 forwards;
}
@keyframes transformThumbnail{
  to{
    transform: translateX(0);
  }
}
/* effect prev click */
.carousel.prev .list .item:nth-child(2){
  z-index: 2;

}
.carousel.prev
 .list .item:nth-child(2) img{
  position: absolute;
  bottom: 0;
  left: 0;
  animation: outImage 1s linear 1 forwards;
 }
 @keyframes outImage{
  to{
    width: 150px;
    height: 220px;
    border-radius: 20px;
    left: 50%;
    bottom: 50px;
  }
 }
 .carousel.prev .thumbnail .item:nth-child(1){
  width: 0;
  overflow: hidden;
  opacity: 0;
  animation: showThumbnail 0.5s linear 1 forwards;  
}
.carousel.prev .list .item:nth-child(2) .author,
.carousel.prev .list .item:nth-child(2) .title,
.carousel.prev .list .item:nth-child(2) .topic,
.carousel.prev .list .item:nth-child(2) .des,
.carousel.prev .list .item:nth-child(2) .buttons{
  animation: contentOut 1.5s linear 1 forwards;

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

}
.carousel.next .arrows button,
.carousel.prev .arrows button{
  pointer-events: none;
}
.time{
  width: 0%;
  height: 5px;
  background-color: #f1683a;
  position: absolute;
  z-index: 100;
  top: 0;
  left: 0;
}
.carousel.next .time,
.carousel.prev .time{
  width: 100%;
  animation: timeRunning 2s linear 1 forwards;
}
@keyframes timeRunning{
  to{
    width: 0;
  }
}
@media  screen and (max-width: 678px) {
  .carousel .list .item .content{
    padding-right: 0;
  }
  .carousel .list .item .content .title{
    font-size: 30px;
  }
  
}