*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: black;
    color: #e7e7e7;
    min-height: 100vh;
    line-height: 1.5;
}
/*GRADIENT AND LAYER BLUR EFFECT*/
.image-gradient{
    position: absolute;
    top:0;
    right:0;
    opacity: 0.5;
    z-index: -1;
}
.layer-blur{
    height:0;
    width:30rem;
    position: absolute;
    top:20%;
    right:0;
    box-shadow: 0 0 700px 15px white;
    rotate: -30deg;
    z-index: -1;
}

/*CONTAINER*/

.container{
    width:100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}
/*HEADER*/

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding:1rem 5rem;
    z-index:999;
}
header h1{
    margin:0;
    font-size: 3rem;
    font-weight: 300;
}
nav{
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-left: -5%;
}
nav a{
    font-size: 1rem;
    letter-spacing: 0.1rem;
    transition:color 0.2s ease;
    color:inherit;
    text-decoration: none;
}
nav a:hover{
   color:#a7a7a7;
}
.btn-signing{
    color: black;
    background-color: #a7a7a7;
    border:none;
    padding:0.8rem 2rem;
    border-radius:50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition:background-color 0.2s ease;
}
.btn-signing:hover{
    background-color: white;
}
/*MAIN CONTENT*/
main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(90vh - 6rem);
}
.content{
    max-width: 40rem;
    margin-left: 10%;
    z-index:999;
}
.tag-box{
    position:relative;
    width:18rem;
    height:2.5rem;
    border-radius: 50px;
    background: linear-gradient(to right, #656565, #7f42a7, #6600c5, #5300a0, #757575, #656565);
    background-size: 200%;
    animation:animationGradient 2.5s linear infinite;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3) ;
}
@keyframes animateGradient{
    to{
        background-position:200%;
    }
}
.tag-box .tag{
    position: absolute;
    inset:3px 3px 3px 3px;
    background-color: black;
    border-radius: 50px;
    display:flex;
    justify-content: center;
    align-items: center;
    transition:0.5s ease;
    cursor: pointer;
}
.tag-box .tag:hover{
    color:#5300a0;
}
.content h1{
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin: 2rem 0;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(128, 128, 128, 0.418);
}
.description{
    font-size: 1.2rem;
    letter-spacing: 0.05rem;
    max-width: 35rem;
    color:gray;
}
.buttons{
    display:flex;
    gap:1rem;
    margin-top: 3rem;
}
.btn-get-started{
    text-decoration: none;
    border: 1px solid #2a2a2a;
    padding:0.7rem 1.2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    transition: background-color 0.2s ease;
}
.btn-get-started:hover{
    background-color: #1a1a1a;
}
.btn-signing-main{
    text-decoration: none;
    background-color: lightgray;
    color:black;
    padding:0.6em 2.5em;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition: background-color 0.2s ease;
}
.btn-signing-main:hover{
    background-color: gray;
}

.robot-3d{
    position: absolute;
    top:0;
    right: -20%;
}

/*TABLET VIEW*/
@media(max-width:1300px){
    header{
        padding:1rem 0.5rem;
    }
    .content{
        margin-top: 85%;
    }
    .robot-3d{
        scale:0.8;
        top:-20%;
        right:2%;
    }
}
/*MOBILE RESPONSIVE*/
@media(max-width:800px){
    header{
        padding:1rem 0.1rem;
    }
    nav{
        display:none;
    }
   
    .content{
        margin-top: 25rem;
    }
    .robot-3d{
        scale:0.5;
        top:-25%;
        right: 0;   
    }
    .content{
        max-width: 20rem;
        margin-left: 5%;;
    }
    .tag-box{
        width:12rem;

    }
    .content h1{
        font-size: 2rem;
    }
    .description{
       font-size: 1rem;
    }
    
    .btn-get-started{
        font-size: 0.8rem;
        padding:0.8rem 1.2rem;
        letter-spacing: 0em;
    }
    .btn-signing-main{
        font-size: 0.8rem;
        padding:0.7rem 1.6rem;
        letter-spacing: 0.1em;
    }
    .buttons{
        justify-content: center;
    }
    
}
@media(max-width:390px){

    header h1{
        font-size: 1.5rem;
    }
    .btn-signing{
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    .buttons{
        display:flex;
        flex-wrap: wrap;
        justify-content: start;
    }
    .btn-get-started{
        font-size: 0.8rem;
        padding:0.7rem 1.2rem;
    }
    .btn-signing-main{
        font-size: 0.8rem;
        padding:0.6rem 1.5rem;
    }
    

}