body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f1a;
  color: white;
}

header {
  background: #111827;
  padding: 15px;
}

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

.hero {
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 3em;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: cyan;
  color: black;
  text-decoration: none;
  font-weight: bold;
}

.services {
  padding: 60px 20px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.grid div {
  background: #1f2937;
  padding: 20px;
}

.about {
  padding: 60px 20px;
  text-align: center;
}

.contact {
  padding: 60px 20px;
  text-align: center;
  background: #111827;
}

footer {
  text-align: center;
  padding: 20px;
}