:root {
  --green: #3a6f46;
  --light: #f7f8f4;
  --dark: #2b2b2b;
  --muted: #6b6b6b;
}

body {
  background-color: var(--light);
  font-family: 'Poppins', sans-serif;
  margin: 0;
  color: var(--dark);
}

header{
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
  border-radius: 30rem;
  margin: 1rem 3rem;
  padding: 0.5rem;
}

.nav-container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo{
  width: 5rem;
}

nav a{
  margin: 0 0.8rem;
  text-decoration: none;
  color: darkgreen;
  transition: color 0.3s ease;
}

nav a:hover{
  color: seagreen;
}

.btn-groen{
  background: #2f7a4a;
  color: #ffffff;
  padding: 0.6rem 1rem;
  border-radius: 30rem;
  text-decoration: none;
  font-weight: 600;
}

.btn-groen:hover{
  background: #f7f8f4;
  color: #2f7a4a;
}

main {
  max-width: 70rem;
  margin: 3rem auto;
  padding: 0 2rem;
}

main h1 {
  font-size: 2.5rem;
  color: var(--green);
  margin-bottom: 2rem;
}

section {
  margin-bottom: 3rem;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--green);
}

section p,
section li {
  line-height: 1.6;
  font-size: 1rem;
  color: var(--dark);
}

section > div {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

section > div > div {
  background: #ffffff;
  border-left: 6px solid var(--green);
  border-radius: 0.8rem;
  padding: 1.5rem;
  box-shadow: 0 6px 15px rgba(0,0,0,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

section > div > div:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

section > div h3 {
  margin-bottom: 0.3rem;
  font-size: 1.3rem;
}

section > div p:first-of-type {
  color: var(--green);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

ul {
  padding-left: 1.2rem;
}

ul li {
  margin-bottom: 0.6rem;
}

ul li strong {
  color: #2e5c38;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--green);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

 @media (max-width: 760px) {
  main { 
    grid-template-columns: 1fr; 
    margin: 1rem; 
    padding: 0 1rem; 
  }

  header { 
    border-radius: 0rem;
    margin: 0rem;
    padding: 0rem;
  }

  .nav-container {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    text-align: center;
  }

  nav {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }

  nav a {
    margin: 0;
  }

  .btn-primary {
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
  }
}