*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    font-family:'Montserrat', sans-serif;
}

body{
    background-color: #0f0f1e;
    color: aliceblue;
    overflow: hidden;
}

header{
    position: fixed;
    top: 0;
    width: 90vw;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 3;
}

.logo{

    font-family: "Orbitron", sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: #00f7ff;
    text-shadow:0 0 10px rgba(0, 247, 255,1.1) ;
}

header nav ul{
    display: flex;
    gap: 48px;
}

header nav ul li{
    cursor: pointer;
    position: relative;
    padding: 5px 0;
}

header nav ul li::after{
    content:'';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: #00f7ff;

}

header nav ul li:hover::after{
    width: 100%;
    transition: all 0.5s ease;
}

.container{
    height: 100vh;
    position: relative;
    background:linear-gradient(135deg,#0f0f1e 0%, #211f3a 100%); 
    overflow: hidden;
}

.container::before{
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle,rgba(0, 247, 255, 0.2) 0%, rgba(44, 44, 207, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(50px); 
    z-index: 1;
    animation: pulse 2s  infinite alternate;
}

@keyframes pulse{
    0%{
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(0.8);
    }
    100%{
        opacity: 1;
        transform: translate(-50%, -50%) scale(2);
    }

}

.list{
    width: 80%;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.item{
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;

    /* Animation*/
    transform: translateX(100vw);
    transition: all 0.8s ease-in-out, opacity 0.8s ease-in-out;

}
.active{
    opacity: 1;
    transform: translateX(0);
    
    
}

.product{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.product img{
    max-width: 100%;
    max-height: 100%;
    filter: drop-shadow(0 0 30px rgba(0, 247, 255, 1));

    /* Animation*/
    transform: translate(300px);
    opacity: 0;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transition-delay: 0.5s;
}

.active .product img{
    transform: translateX(0);
    opacity: 1;
}
  

.content{
    top: 50%;
    left: 50%;
    text-align: center;
    z-index: 2;
    font-size: 15px;
    margin-top: 100px;
    padding: 30px 20px;
    

}

.product-tag{
    font-size: 1rem;
    text-transform: uppercase;
    color: #00f7ff;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 10px;

    /* Animation*/
    transform: translate(300px);
    opacity: 0;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transition-delay: 0.5s;
}

.active .product-tag{
    transform: translateX(0);
    opacity: 1;
}


.product-name{
    font-family: "Orbitron", sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: #00f7ff;
    text-shadow:0 0 10px rgba(0, 247, 255,1.1) ;
    line-height:1.1 ;

    /* Animation*/
    transform: translate(300px);
    opacity: 0;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transition-delay: 0.5s;
}

.active .product-name{
    transform: translateX(0);
    opacity: 1;
}

.description{
    font-size: 1;
    color: #b8b8d0;
    
    /* Animation*/
    transform: translate(300px);
    opacity: 0;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transition-delay: 0.5s;
}

.active .description{
    transform: translateX(0);
    opacity: 1;
}


.btn{
    padding: 12px 18px;
    background: linear-gradient(90deg, #00f7ff, #0066ff);
    border-radius:30px ;
    color: #000;
    font-size:1rem ;
    font-weight: 600;
    cursor: pointer;
    border: none;
    /* Animation*/
    transform: translate(300px);
    opacity: 0;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transition-delay: 0.4s;
}

.active .btn{
    transform: translateX(0);
    opacity: 1;
}


.btn:hover{
    background: linear-gradient(100deg, #0066ff, #00f7ff);
    transition: all 0.5s ease;
    letter-spacing: 1px;
}

.arrows{
    position: absolute;
    width: 90%;
    display: flex;
    justify-content: space-between;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.arrow-btn{
    width:50px; 
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 247, 255, 0.3)
}

.arrow-btn:hover{
    background-color: rgba(0, 247, 255, 0.2);
    border-color: #00f7ff;
    transition: all 0.3s ease;
}

.indicators{
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-250%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 5;
}

.number{
    font-family: "Orbitron", sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255,0.2 );

}

.dots{
    display: flex;
    gap: 10px;

}

.dot{
    width: 40px;
    height: 4px;
    background-color: rgba(255, 255, 255,0.2 );
    border-radius: 2px;
}

.dot.active{
    background-color: #00f7ff;
    box-shadow: 0 0 10px rgba(0, 247, 255,0.5);
}

.tech-circle{
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circle{
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 247, 255, 0.2);
}

.circle:nth-child(1){
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
}
.circle:nth-child(2){
    width: 300px;
    height: 300px;
    top: 60%;
    left: 80%;
}
.circle:nth-child(3){
    width: 150px;
    height: 150px;
    top: 70%;
    left: 20%;
}
.circle:nth-child(4){
    width: 120px;
    height: 120px;
    top: 20%;
    left: 70%;
}