body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f14;
  color: white;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid #1f2937;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #22c55e;
}

nav a {
  margin-left: 20px;
  color: #9ca3af;
  text-decoration: none;
}

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

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

.hero p {
  color: #9ca3af;
}

.section {
  padding: 40px;
}

.section h2 {
  margin-bottom: 20px;
}

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

.card {
  background: #111827;
  padding: 20px;
  border-radius: 10px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.card p {
  color: #9ca3af;
  font-size: 14px;
}

footer {
  text-align: center;
  padding: 30px;
  border-top: 1px solid #1f2937;
  color: #6b7280;
}