body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #0b1220;
  color: #ffffff;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  background: #0f1a2f;
  padding: 20px 0;
}

header h1 {
  margin: 0;
  color: #32d67b;
}

nav a {
  margin-right: 15px;
  color: #ffffff;
  text-decoration: none;
}

nav a:hover {
  color: #32d67b;
}

.hero {
  padding: 60px 0;
  text-align: center;
  background: linear-gradient(135deg, #32d67b, #2aa0ff);
  color: #081126;
}

section {
  padding: 40px 0;
}

.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  background: #1a2440;
  padding: 20px;
  border-radius: 10px;
  flex: 1;
  min-width: 250px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #0f1a2f;
}