body {
  margin:0;
  font-family: Arial, sans-serif;
  background:#0f1115;
  color:#ffffff;
}

.container {
  max-width:1100px;
  margin:auto;
  padding:20px;
}

header {
  background:#11151c;
  border-bottom:1px solid #222;
}

.header {
  display:flex;
  justify-content:space-between;
  align-items:center;
}

nav a {
  color:#aaa;
  margin-left:20px;
  text-decoration:none;
}

nav a:hover {
  color:#fff;
}

.hero {
  padding:80px 0;
  text-align:center;
  background:linear-gradient(135deg,#1c2230,#0f1115);
}

.hero h1 {
  font-size:42px;
  margin-bottom:10px;
}

.btn {
  display:inline-block;
  padding:12px 20px;
  background:#5cc8ff;
  color:#000;
  border-radius:6px;
  text-decoration:none;
  font-weight:bold;
  margin-top:15px;
  border:none;
  cursor:pointer;
}

.section {
  padding:60px 0;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.card {
  background:#161b22;
  padding:20px;
  border-radius:8px;
}

input, textarea {
  width:100%;
  padding:10px;
  margin-bottom:15px;
  border-radius:5px;
  border:none;
}

footer {
  background:#11151c;
  text-align:center;
  padding:20px 0;
  margin-top:40px;
  border-top:1px solid #222;
}