body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

header {
  background-color: #333;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  margin: 0;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav li {
  margin-left: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
}

.hero {
  background-color: #f4f4f4;
  padding: 2rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.features {
  display: flex;
  justify-content: space-around;
  padding: 2rem;
}

.feature {
  width: 30%;
  text-align: center;
}

.image-placeholder {
  background-color: #ddd;
  height: 150px;
  margin-bottom: 1rem;
}

.testimonial {
  background-color: #f4f4f4;
  padding: 2rem;
  text-align: center;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 1rem;
}