body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#050505;
    color:white;
    line-height:1.6;
}
header{
    padding:20px 40px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:rgba(0,0,0,.9);
    position:sticky;
    top:0;
}
nav a{
    color:white;
    text-decoration:none;
    margin-left:20px;
}
.hero{
    min-height:80vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:40px;
    background:linear-gradient(135deg,#02131a,#000);
}
.hero h1{
    font-size:4rem;
    margin-bottom:10px;
}
.hero p{
    max-width:800px;
    margin:auto;
    color:#d0d0d0;
}
.btn{
    display:inline-block;
    margin-top:25px;
    padding:14px 28px;
    background:#23d7ff;
    color:black;
    border-radius:8px;
    text-decoration:none;
    font-weight:bold;
}
.section{
    padding:80px 10%;
}
.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:24px;
}
.card{
    background:#101010;
    padding:24px;
    border-radius:16px;
    border:1px solid #1d1d1d;
}
footer{
    padding:40px;
    text-align:center;
    border-top:1px solid #1a1a1a;
    color:#aaa;
}
.logo{
    height:60px;
}
.about-hero{
    padding:120px 10% 60px;
}
.about-hero h1{
    font-size:3rem;
}