*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto;
}

body{
background:linear-gradient(180deg,#071426,#0b1c36);
color:#e5e7eb;
}

.container{
width:92%;
max-width:1200px;
margin:auto;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 0;
}

.logo{
display:flex;
align-items:center;
gap:12px;
font-size:20px;
font-weight:600;
}

.logo img{
height:28px;
}

.header-links a{
background:#2563eb;
padding:8px 14px;
border-radius:6px;
text-decoration:none;
color:white;
margin-left:8px;
font-size:14px;
}

.hero{
text-align:center;
padding:60px 0 40px;
}

.hero h1{
font-size:38px;
margin-bottom:10px;
}

.section{
margin-top:50px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
gap:20px;
}

.card{
background:#0f223d;
padding:22px;
border-radius:10px;
border:1px solid #1f3a5a;
transition:.25s;
}

.card:hover{
transform:translateY(-4px);
box-shadow:0 10px 28px rgba(0,0,0,.5);
}

.button{
display:inline-block;
margin-top:8px;
background:#22c55e;
padding:8px 14px;
border-radius:6px;
text-decoration:none;
color:#022c22;
font-weight:600;
}

.stack{
display:flex;
flex-wrap:wrap;
gap:8px;
}

.stack span{
background:#1e293b;
padding:6px 10px;
border-radius:6px;
font-size:13px;
}

.monitor iframe{
width:100%;
height:420px;
border:none;
border-radius:6px;
}