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

body {
  background-color: #f4f4f9;
  color: #333;
  line-height: 1.6;
}

header {
  background: #ffffff;
  padding: 20px 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo h1 {
  color: #4a90e2;
  font-size: 24px;
}

.nav-links a {
  color: #333;
  text-decoration: none;
  margin-left: 20px;
  font-size: 16px;
}

.hero {
  background: #4a90e2;
  color: #ffffff;
  text-align: center;
  padding: 100px 20px;
}

.hero h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 40px;
}

.cta-button {
  background: #ffffff;
  color: #4a90e2;
  padding: 10px 20px;
  text-decoration: none;
  font-size: 16px;
  border-radius: 5px;
  transition: background 0.3s, color 0.3s;
}

.cta-button:hover {
  background: #333;
  color: #ffffff;
}

.features {
  text-align: center;
  padding: 60px 20px;
  background: #ffffff;
}

.features h3 {
  font-size: 28px;
  margin-bottom: 40px;
}

.features-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.feature {
  background: #f4f4f9;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  width: 300px;
}

.feature h4 {
  font-size: 22px;
  margin-bottom: 10px;
}

.feature p {
  font-size: 16px;
}

.signup {
  text-align: center;
  padding: 60px 20px;
  background: #4a90e2;
  color: #ffffff;
}

.signup h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

.signup p {
  font-size: 18px;
  margin-bottom: 40px;
}

.signup-form {
  max-width: 400px;
  margin: 0 auto;
}

.signup-form input {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
}

.signup-form button {
  width: 100%;
  padding: 10px;
  background: #ffffff;
  color: #4a90e2;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}

.signup-form button:hover {
  background: #333;
  color: #ffffff;
}

footer {
  background: #333;
  color: #ffffff;
  text-align: center;
  padding: 20px;
}