* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Georgia, serif;
  background: #f9f6f0;
  color: #2d2d2d;
  line-height: 1.7;
}

header {
  background: #3a7d44;
  color: #fff;
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 1.5rem;
  letter-spacing: 0.04em;
}

nav a {
  color: #d6f5d6;
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

nav a:hover {
  color: #fff;
  text-decoration: underline;
}

main {
  max-width: 860px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

h2 {
  font-size: 1.9rem;
  color: #3a7d44;
  margin-bottom: 0.6rem;
}

h3 {
  font-size: 1.2rem;
  color: #2d5a35;
  margin: 1.4rem 0 0.3rem;
}

p {
  margin-bottom: 1rem;
}

.hero {
  background: #e8f5e9;
  border-left: 5px solid #3a7d44;
  padding: 1.5rem 2rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid #d4e8d4;
  border-radius: 8px;
  padding: 1.3rem 1.2rem;
}

.card h3 {
  margin-top: 0;
}

ol, ul {
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: #888;
  border-top: 1px solid #ddd;
  margin-top: 3rem;
}