body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
}
header {
  background-color: #1e4030;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header img {
  height: 150px;
}
nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: bold;
}
.hero {
  background: #115533;
  color: #fff;
  padding: 6rem 2rem;
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.hero button {
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  background-color: #1e4030;
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 5px;
}
section {
  padding: 3rem 2rem;
  max-width: 1000px;
  margin: auto;
}
h2 {
  color: #1e4030;
  margin-bottom: 1rem;
}
.features, .products, .testimonials {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
.card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  flex: 1 1 300px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.testimonial {
  font-style: italic;
}
footer {
  background-color: #1e4030;
  color: #fff;
  padding: 2rem;
  text-align: center;
}