* {
    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: #000;
    color: #fff;
    min-height: 100vh;
    line-height: 1.5;
}

/* Gradient and layer blur effect */
.image-gradient {
    position: absolute;
    top: 0;
    right: 0;
    opacity:0.1;
    color: black;
    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;
    text-decoration: none;
    color: inherit;
}

nav a:hover {
    color: #a7a7a7;
}

.btn-signing {
    background-color: #a7a7a7;
    color: #000;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.btn-signing:hover {
    background-color: #fff;
}

/* 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(225, 225, 225, 0.3);
}


@keyframes animationGradient {
    to {
        background-position: 200%;
    }
}

.tag-box .tag {
    position: absolute;
    inset: 3px 3px 3px 3px;
    background-color: #000;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.5s ease;
    cursor: pointer;
}

.tag-box .tag:hover {
    color: #5300a0;
}

.container h1 {
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    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;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: background-color 0.2s ease;
}

.btn-get-started:hover {
    background-color: #1a1a1a;
}

.btn-signing-main {
    text-decoration: none;
    background-color: #a7a7a7;
    color: #000;
    padding: 0.6rem 2.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: background-color 0.2s ease;
}

.btn-signing-main:hover {
    background-color: #fff;
}
.robot-3d{
    position: absolute;
    top: 0;
    right: -20%;
}

/*tablet responsive*/
@media (max-width: 1300px) {
    header{
        padding: 1rem 0.5rem;
    }
    .content{
        margin-top: 85%;
    }
    .robot-3d{
        right: 2%;
        top: -20%;
        scale: 0.8;
    }
}

/* mobile responsive */
@media (max-width: 768px) {
    header{
        padding: 1rem 0.1rem;
    }

    nav{
        display: none;
    }

    header h1{
        font-size: 2rem;
    }

    .btn-signing{
        padding: 0.6rem 1.5rem;
    }
    .content{
        margin-top: 25rem;
    }

   .robot-3d{
scale:0.8;
top:-10%;
right:-5%;
}

    .content{
        max-width: 30rem;
        margin-left: 10%;
        
    }

    .tag-box{
        width: 12rem;
    }

    .content h1{
        font-size: 2.5rem;
    }

    .description {
        font-size: 1rem;
    }

    .btn-get-started{
        font-size: 0.8rem;
        padding: 0.8rem 1.2rem;
    }
    .btn-signing-main{
        font-size: 0.8rem;
        padding: 0.8rem 1rem;
    }
    @media (max-width:768px){

.about-values{
grid-template-columns:1fr;
gap:20px;
max-width:100%;
}

.value-box{
width:100%;
}

}
.about-values{
padding-bottom:80px;
}
   
}
.about-buttons{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:25px;

    opacity:0;
    animation: fadeUp 1s ease forwards;
    animation-delay:2.5s;
}

.about-buttons span{
    padding:8px 16px;
    border-radius:50px;
    border:1px solid #444;
    background:#111;
    font-size:0.9rem;
    letter-spacing:0.05rem;
    color:#dcdcdc;
    transition:0.3s;

    opacity:0;
    animation:fadeUp 0.8s forwards;
}

.about-buttons span:hover{
    border-color:#7f42a7;
    color:#fff;
    box-shadow:0 0 10px #7f42a7;
}
.about-values{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;
margin-top:50px;
max-width:900px;

opacity:0;
animation: fadeUp 1s ease forwards;
animation-delay:3s;
}
.value-box{
opacity:0;
animation:fadeUp 0.8s forwards;
}

.value-box:nth-child(1){ animation-delay:3.7s; }
.value-box:nth-child(2){ animation-delay:4s; }
.value-box:nth-child(3){ animation-delay:4.3s; }
.value-box{
background:#0000007a;
padding:30px;
border-radius:15px;
border:1px solid #72a1de;
transition:0.3s;
width:280px;
min-height:280px;
display:flex;
flex-direction:column;
justify-content:flex-start;
}

.value-box:hover{
box-shadow:0 0 15px #72a1de;
transform:translateY(-5px);
}

.value-box h2{
margin-bottom:10px;
color:#72a1de;
}

.value-box p{
line-height:1.6;
color:lightgray;
}
main{
padding-bottom:120px;
}
/* fade animation */
@keyframes fadeUp {
0%{
opacity:0;
transform:translateY(25px);
}
100%{
opacity:1;
transform:translateY(0);
}
}
.about-buttons{
animation:fadeUp 1s ease forwards;
}

.about-values{
animation:fadeUp 1s ease forwards;
}
.about-buttons span:nth-child(1){ animation-delay:2.5s; }
.about-buttons span:nth-child(2){ animation-delay:2.7s; }
.about-buttons span:nth-child(3){ animation-delay:2.9s; }
.about-buttons span:nth-child(4){ animation-delay:3.1s; }
.about-buttons span:nth-child(5){ animation-delay:3.3s; }
/* Mobile fix for cards */
@media (max-width:768px){

.about-values{
grid-template-columns:1fr;
gap:20px;
max-width:100%;
margin-top:40px;
}

.value-box{
width:100%;
}

}
/* MOBILE FIX FOR CARDS */
@media (max-width:768px){

.about-values{
display:flex;
flex-direction:column;
gap:20px;
align-items:center;
}

.value-box{
width:90%;
}

}