body{
margin:0;
font-family:Segoe UI,Arial;
background:#0f172a;
color:white;
}

.navbar{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 40px;
background:#020617;
}

.logo{
font-size:20px;
font-weight:600;
}

.nav-links a{
margin-left:20px;
color:white;
text-decoration:none;
}

.register-btn{
background:#2563eb;
padding:8px 16px;
border-radius:6px;
}

.hero{
height:85vh;
position:relative;
overflow:hidden;
background:#020617;
}

.hero-layer{
position:absolute;
top:0;
left:0;
width:110%;
height:110%;
background-size:cover;
background-position:center;
}

.hero-bg{
background-image:url("../assets/images/city_background.jpg");
z-index:1;
}

.hero-industry{
background-image:url("../assets/images/industry_layer.png");
z-index:2;
}

.hero-foreground{
background-image:url("../assets/images/foreground_roads.png");
z-index:3;
}

.hero-overlay{
position:relative;
z-index:5;
height:100%;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
background:rgba(0,0,0,0.45);
}

.hero-content h1{
font-size:64px;
margin-bottom:20px;
}

.hero-content p{
max-width:600px;
margin:auto;
margin-bottom:30px;
font-size:18px;
color:#cbd5f5;
}

.hero-content p{
max-width:600px;
margin:auto;
margin-bottom:30px;
font-size:18px;
}

.hero-buttons a{
margin:10px;
text-decoration:none;
}

.start-btn{
background:#2563eb;
padding:14px 28px;
border-radius:8px;
color:white;
font-weight:600;
}

.login-btn{
border:1px solid #64748b;
padding:14px 28px;
border-radius:8px;
color:white;
}

.features{
padding:80px 40px;
text-align:center;
background:#1e293b;
}

.features h2{
margin-bottom:50px;
}

.feature-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:30px;
max-width:1000px;
margin:auto;
}

.feature{
background:#0f172a;
padding:30px;
border-radius:10px;
}

.feature h3{
margin-bottom:10px;
}

.cta{
text-align:center;
padding:80px 20px;
background:#020617;
}

footer{
text-align:center;
padding:20px;
background:#020617;
color:#64748b;
}

.economy{
padding:80px 20px;
text-align:center;
background:#020617;
}

.economy-map{
margin-top:40px;
}

.eco-box{
fill:#1e293b;
stroke:#3b82f6;
stroke-width:2;
rx:10;
}

.eco-text{
fill:white;
font-size:14px;
font-family:Arial;
}

.eco-line{
stroke:#64748b;
stroke-width:2;
}