*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;
}
body{
    background:#0a0a0a;
    overflow: hidden;
}
.container{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1050px;
    height: 90vh;
   background: transparent;
   box-shadow: none;
}
.container .slide .item{
    position: absolute;
    top: 50%;
    transform: translate(0, -50%);
    width: 200px;
    height: 300px;
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(0,0,0,0.9);
    background-position: 50% 50%;
    background-size: cover;
    display: inline-block;
    transition: 0.5s;
}
.container .slide .item:nth-child(1),
.container .slide .item:nth-child(2){
    top:0;
    left: 0;
    transform: translate(0, 0);
    border-radius: 0;
    width: 100%;
    height:100% ;
}
.container .slide .item:nth-child(3){
    left:50% ;
}
.container .slide .item:nth-child(4){
    left: calc(50% + 220px);
}
.container .slide .item:nth-child(5){
    left: calc(50% + 440px);
}
.container .slide .item:nth-child(n+6){
    left: calc(50% + 660px);
    opacity: 0;
}
.item .content{
    position: absolute;
    top: 50%;
    left: 100px;
    width: 300px;
    text-align: left;
    color: #eaeaea;
    transform: translate(0, -50%);
    display: none;
}
.slide .item:nth-child(2) .content{
    display: block;
}
.content .name{
    font-size:40px ;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 20%;
    color: azure;
    opacity: 0;
    animation: animate 1s ease-in-out forwards ;
}
.content .about{
    margin-top: 10px;
    margin-bottom: 20px;
    color: azure;
    opacity: 0;
    animation: animate 1s ease-in-out forwards ;
    animation-delay: 0.3s;
}
.content button{
    padding: 10px 20px ;
    border:  none;
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    animation: animate 1s ease-in-out forwards ;
    animation-delay: 0.6s;
}
@keyframes animate{
    from {
        opacity: 0;
        filter: blur(33px);
        transform: translate(0, 100px);
    }
    to{
        opacity: 1;
        filter: blur(0);
        transform: translate(0, 0);
    }
}


.btns button{
    width:40px;
    height:35px;
    border:none;
    border-radius:8px;
}
/* large laptop */
@media (max-width:1400px){

.container{
width:90%;
height:700px;
}

.container .slide .item{
width:220px;
height:300px;
}

.content .name{
font-size:38px;
}

}


/* laptops */

@media (max-width:1200px){

.container{
width:95%;
height:650px;
}

.container .slide .item{
width:200px;
height:280px;
}

.item .content{
left:70px;
width:300px;
}

.content .name{
font-size:34px;
}

}


/* tablets */

@media (max-width:900px){

.container{
width:95%;
height:auto;
}

.container .slide .item{
width:180px;
height:250px;
}

.item .content{
left:40px;
width:260px;
}

.content .name{
font-size:28px;
}

.content .about{
font-size:14px;
}

}


/* mobile */

@media (max-width:600px){

.container{
width:100%;
height:100vh;
}

.container .slide .item{
width:140px;
height:200px;
}

.item .content{
left:20px;
width:220px;
}

.content .name{
font-size:20px;
margin-top:30%;
}

.content .about{
font-size:12px;
}

.content button{
padding:8px 16px;
font-size:14px;
}

.back-btn{
width:40px;
height:40px;
font-size:18px;
top:15px;
left:15px;
}

}


/* very small phones */

@media (max-width:400px){

.container .slide .item{
width:120px;
height:180px;
}

.content .name{
font-size:18px;
}

.content .about{
font-size:11px;
}

}
.btns{
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    z-index: 1000;
}

@keyframes floatUp {
    0%{
        transform: translateY(0);
        opacity: 1;
    }100%{
        transform: translateY(-100vh);
        opacity: 0;
    }
}

.circle{
    position:absolute;
    bottom:-50px;
    width:10px;
    height:10px;
    background:white;
    border-radius:50%;
    box-shadow:0 0 10px white, 0 0 20px #4facfe;
    animation: floatUp 8s linear infinite;
}
.background-animation{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;

    background: #0a0a0a; 
}

.back-btn{
position:fixed;
top:30px;
left:30px;
width:50px;
height:50px;
display:flex;
align-items:center;
justify-content:center;
font-size:22px;
border-radius:50%;
text-decoration:none;
box-shadow:0 0 15px #4facfe;
z-index:1000;
transition:0.3s;
background: linear-gradient(135deg,#ff9933,#ffffff,#138808);
color:black;
}

.back-btn:hover{
transform:scale(1.2);
box-shadow:0 0 25px #4facfe;
}