body {
  font-family: 'Nunito', sans-serif;
  margin: 0;
  background: #f5fff7;
  color: #333;
}

header {
  background: #d4edda;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #2e7d32;
  font-weight: bold;
}

.hero {
  background: linear-gradient(rgba(244, 255, 244, 0.8), rgba(244, 255, 244, 0.8)), 
              url('https://source.unsplash.com/1600x500/?green,team,eco') center/cover no-repeat;
  color: #2e7d32;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 3rem;
  margin: 0;
}

.projects-section {
  padding: 40px 20px;
  max-width: 1200px;
  margin: auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.project-card {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 128, 0, 0.2);
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 15px;
}

.card-content h2 {
  margin-top: 0;
  color: #2e7d32;
  font-size: 1.4rem;
}

.card-content p {
  font-size: 0.95rem;
}

.cta {
  text-align: center;
  margin-top: 40px;
}

.cta a {
  display: inline-block;
  background: #2e7d32;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background 0.3s;
}

.cta a:hover {
  background: #276527;
}

footer {
  background: #d4edda;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  margin-top: 50px;
}