body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #333;
}

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

header {
  background: #0f2e2e;
  color: #fff;
  padding: 20px 0;
}

header h1 {
  margin: 0;
}

nav {
  margin-top: 10px;
}

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

.btn {
  background: #2e8b57;
  padding: 8px 14px;
  border-radius: 4px;
  color: white;
  text-decoration: none;
}

.hero {
  background: #e6f2f2;
  padding: 80px 0;
  text-align: center;
}

.section {
  padding: 60px 0;
}

footer {
  background: #0f2e2e;
  color: #fff;
  text-align: center;
  padding: 20px 0;
}