body{
margin:0;
font-family:Arial, Helvetica, sans-serif;
background:#0f172a;
color:#e5e7eb;
line-height:1.6;
}

header{
background:#020617;
padding:20px 60px;
display:flex;
justify-content:space-between;
align-items:center;
}

.logo{
font-size:24px;
font-weight:bold;
color:#14b8a6;
}

nav a{
margin-left:25px;
text-decoration:none;
color:#e5e7eb;
font-size:15px;
}

nav a:hover{
color:#14b8a6;
}

.hero{
padding:120px 80px;
max-width:900px;
}

.hero h1{
font-size:54px;
line-height:1.2;
margin-bottom:20px;
}

.hero p{
font-size:20px;
color:#cbd5f5;
}

.button{
display:inline-block;
margin-top:30px;
padding:14px 28px;
background:#14b8a6;
color:#020617;
text-decoration:none;
font-weight:bold;
border-radius:4px;
}

.section{
padding:80px;
max-width:1200px;
}

.section h2{
font-size:34px;
margin-bottom:30px;
}

.card-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

.card{
background:#1e293b;
padding:25px;
border-radius:6px;
}

.card h3{
margin-top:0;
color:#14b8a6;
}

footer{
text-align:center;
padding:40px;
background:#020617;
margin-top:60px;
font-size:14px;
color:#94a3b8;
}