*{
    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;
}

.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{
    width: 100%;
    margin: 0 auto;
    pad: 0 2rem;
    position: relative;
    overflow: hidden;
}

/* Header Section */
header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5rem;
}

header h1{
    margin: 0;
    font-weight: 300;
    font-size: 3rem;
}

nav{
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-left: -5%;
}

nav a{
    font-size: 1rem;
    letter-spacing: 0.1rem;
    transition: color 0.2 ease;
    text-decoration: none;
    color: inherit;
    z-index: 999;
}

nav a:hover{
    color: #a7a7a7;
}

.btn-signing{
    color: black;
    background-color: #a7a7a7;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    cursor: pointer;
    z-index: 999;
}

.btn-signing:hover{
    background-color: white;
}


/* Main Section */

main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(90vh - 6rem);
}

.content{
    max-width: 36rem;
    margin-left: 9%;
    z-index: 999;
}

.tag-box{
    position: relative;
    width: 16rem;
    height: 2.25rem;
    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 animationGradient {
    to{
        background-position: 200%;
    }
}

.tag-box .tag{
    position: absolute;
    inset: 2.7px 2.7px 2.7px 2.7px;
    background-color: black;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.5s ease;
    cursor: pointer;
}
.tag-box .tag:hover{
    color: #5300a0;
}

.content h1{
    font-size: 3.6rem;
    font-weight: 600;
    letter-spacing: 0.09rem;
    margin: 1.8rem 0;
    line-height: 1.08;
    text-shadow: 0 0 10px rgba(128,128,128,0.418);
}

.description{
    font-size: 1.08rem;
    letter-spacing: 0.045rem;
    max-width: 31.5rem;
    color: gray;
}

.buttons{
    display: flex;
    gap: 0.9rem;
    margin-top: 2.7rem;
}

.btn-get-started{
    color: #3d0175;
    text-decoration: none;
    border: 1px solid #2a2a2a;
    padding: 0.63rem 1.08rem;
    border-radius: 50px;
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.09rem;
    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: 0.54rem 2.25rem ;
    border-radius: 50px;
    font-size: 1.08rem ;
    font-weight: 600;
    letter-spacing: 0.09rem;
    transition: background-color 0.2s ease;
}
.btn-signing-main:hover{
    background-color: gray;
}

.robot-3d{
    position: absolute;
    top: 0;
    right: -30%;
}



/* Mobile responsiveness */
@media( max-width: 768px){

    header{
        padding: 0.9rem 0.09rem;
    }
    nav{
        display: none;
    }
    header h1{
        font-size: 1.8rem;
    }
    .btn-signing{
        padding: 0.54rem 1.35rem;
    }
    .content{
        margin-top: 22.5rem;
        max-width: 27rem;
        margin-left: 9%;
    }
    .robot-3d{
        scale: 0.8;
        top: -22.5%;
        right: 0;
        left: 10%;
    }
    .tag-box{
        width: 10.8rem;
    }
    .content h1{
        font-size: 2.25rem;
    }
    .description{
        font-size: 0.9rem;
    }
    .btn-get-started , .btn-signing-main{
        font-size: 0.72rem;
        padding: 0.72rem 1.08rem;
    }
    
}