*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: "Poppins", sans-serif;
}
:root {
    --bg-color: #111;
    --second-bg-color: #151515;
    --text-color: white;
    --main-color: #04fffb;
}
body{
    background: #151515;
    overflow: hidden;
}
.header {
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 7%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.logo img {
    width: 40px;
    height: auto;
    cursor: pointer;
    transition: 0.3s ease-in-out;
}

.logo img:hover {
    transform: scale(1.1);
}

.navbar a {
    font-size: 1.3rem;

    color: white;
    margin-left: 4rem;
    font-weight: 500;
    transition: 0.3s ease-in-out;
    border-bottom: 3px solid transparent;
    text-decoration: none;
    margin-bottom: 10px;
}

.navbar a:hover, .navbar a.active {
    color: var(--main-color);
    border-bottom: 3px solid var(--main-color);
}

.container{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 450px;
    background: #f5f5f5;
    box-shadow: 0 3px 5px #04fffb;
    margin-top: 30px;
}

.container .slide .item{
    width: 200px;
    height: 300px;
    position: absolute;
    top: 50%;
    transform: translate(0, -50%);
    border-radius: 20px;
    box-shadow: 0 3px 5px #04fffb;
    background-position: 50% 50%;
    background-size: cover;
    display: inline-block;
    transition: 0.5s;
}

.slide .item:nth-child(1),
.slide .item:nth-child(2){
    top: 0;
    left: 0;
    transform: translate(0, 0);
    border-radius: 0;
    width: 100%;
    height: 100%;
}


.slide .item:nth-child(3){
    left: 50%;
}
.slide .item:nth-child(4){
    left: calc(50% + 220px);
}
.slide .item:nth-child(5){
    left: calc(50% + 440px);
}

/* here n = 0, 1, 2, 3,... */
.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: #eee;
    transform: translate(0, -50%);
    font-family: system-ui;
    display: none;
}


.slide .item:nth-child(2) .content{
    display: block;
}


.content .name{
    font-size: 40px;
    text-transform: uppercase;
    font-weight: bold;
    opacity: 0;
    animation: animate 1s ease-in-out 1 forwards;
}

.content .des{
    margin-top: 10px;
    margin-bottom: 20px;
    opacity: 0;
    animation: animate 1s ease-in-out 0.3s 1 forwards;
}

.content button{
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    opacity: 0;
    animation: animate 1s ease-in-out 0.6s 1 forwards;
}


@keyframes animate {
    from{
        opacity: 0;
        transform: translate(0, 100px);
        filter: blur(33px);
    }

    to{
        opacity: 1;
        transform: translate(0);
        filter: blur(0);
    }
}



.button{
    width: 100%;
    text-align: center;
    position: absolute;
    bottom: 20px;
}

.button button{
    width: 40px;
    height: 35px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    margin: 0 5px;
    border: 1px solid #000;
    transition: 0.3s;
}

.button button:hover{
    background: #ababab;
    color: #fff;
}
.btn:hover {
    background: transparent;
    cursor: pointer;
    border: 0.1rem solid black;
    color: black;
    transform: scale(1.1);
}
.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: white;
    border-radius: 25px;
    margin-top: 2rem;
    color: black;
    font-size: large;
    transition: 0.4s ease-in-out;
}