body {
  font-family: 'Open Sans', Arial, sans-serif;
  margin: 0;
  background-color: #F5F5F5;
  color: #333;
}
header {
  background-color: #2E7D32;
  color: white;
  padding: 20px;
  text-align: center;
}
nav {
  background-color: #1976D2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 10px;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 8px 15px;
  font-weight: bold;
}
.hero {
  background: url('images/banner.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 80px 20px;
}
.hero h1 {
  font-size: 2em;
  margin-bottom: 20px;
}
.btn {
  background-color: #1976D2;
  color: white;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  margin: 10px;
  display: inline-block;
}
section {
  padding: 40px 20px;
  background-color: white;
  margin: 20px auto;
  max-width: 1000px;
  border-radius: 8px;
}
section h2 {
  color: #2E7D32;
  margin-bottom: 20px;
  text-align: center;
}
ul {
  list-style: none;
  padding: 0;
}
ul li {
  margin: 8px 0;
  padding-left: 20px;
  position: relative;
}
ul li::before {
  content: "✔";
  color: #2E7D32;
  position: absolute;
  left: 0;
}
form {
  display: grid;
  gap: 15px;
  max-width: 500px;
  margin: auto;
}
input, textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  width: 100%;
}
button {
  background-color: #1976D2;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
footer {
  background-color: #2E7D32;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}
@media (max-width: 768px) {
  .hero {
    padding: 60px 15px;
  }
  .hero h1 {
    font-size: 1.6em;
  }
  nav {
    flex-direction: column;
  }
  nav a {
    margin: 10px 0;
  }
}
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.4em;
  }
  .btn {
    padding: 10px 15px;
    font-size: 0.9em;
  }
}