body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #1b1b1b;
  background: #f7faf7;
}

header {
  text-align: center;
  padding: 3rem 1rem;
  background: #1f7a3a;
  color: white;
}

.tagline {
  font-size: 1.2rem;
}

.badge {
  display: inline-block;
  margin: 1rem;
  padding: 0.4rem 0.8rem;
  background: #e6f4ea;
  color: #1f7a3a;
  border-radius: 4px;
}

nav {
  background: #155c2d;
  padding: 0.7rem;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 1rem;
  text-decoration: none;
}

section {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

.cards {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card {
  background: white;
  padding: 1.2rem;
  flex: 1;
  border-radius: 6px;
}

.btn {
  padding: 0.7rem 1.4rem;
  margin: 0.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.primary {
  background: #1f7a3a;
  color: white;
}

.secondary {
  background: #e6f4ea;
  color: #1f7a3a;
}

.flow-line {
  font-size: 1.3rem;
  font-weight: bold;
  text-align: center;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #e6f4ea;
  margin-top: 2rem;
}