*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}
body{background:#0f1115;color:#eaeaea;min-height:100vh}

.nav{
    max-width:1100px;
    margin:0 auto;
    padding:18px 22px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.brand{
    font-weight:700;
    letter-spacing:1px;
}

.navlinks{
    display:flex;
    gap:12px;
}

.navlinks a{
    text-decoration:none;
    color:#eaeaea;
    border:1px solid rgba(255,255,255,.12);
    padding:10px 12px;
    border-radius:12px;
    font-size:13px;
}

.navlinks a:hover{
    border-color:#2ecc71;
    color:#2ecc71;
}

.hero{
    max-width:1100px;
    margin:0 auto;
    padding:50px 22px 10px;
}

.hero h1{
    font-size:44px;
    letter-spacing:2px;
    margin-bottom:10px;
}

.hero p{
    opacity:.75;
    letter-spacing:1px;
}

.grid{
    max-width:1100px;
    margin:0 auto;
    padding:30px 22px 60px;
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:16px;
}

.card{
    display:block;
    text-decoration:none;
    color:#eaeaea;
    background:#151820;
    border:1px solid rgba(255,255,255,.06);
    border-radius:20px;
    padding:22px;
    transition:transform .15s ease, border-color .15s ease;
    min-height:190px;
}

.card:hover{
    transform:translateY(-4px);
    border-color:rgba(46,204,113,.6);
}

.tag{
    display:inline-block;
    font-size:12px;
    letter-spacing:1px;
    padding:8px 10px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.12);
    margin-bottom:14px;
    opacity:.9;
}

.card h2{
    font-size:22px;
    margin-bottom:10px;
}

.card p{
    opacity:.75;
    line-height:1.5;
    font-size:14px;
    margin-bottom:18px;
}

.cta{
    display:inline-block;
    color:#2ecc71;
    font-weight:700;
    font-size:13px;
    letter-spacing:1px;
}

.disabled{
    opacity:.6;
    cursor:not-allowed;
}

.footer{
    max-width:1100px;
    margin:0 auto;
    padding:20px 22px 40px;
    opacity:.6;
    font-size:13px;
}

@media (max-width: 900px){
    .grid{grid-template-columns:1fr}
    .hero h1{font-size:38px}
}