body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  background: #f9fefb;
}
.container {
  width: 90%;
  max-width: 800px;
  margin: auto;
  text-align: center;
}
header {
  background: #e6f5ea;
  padding: 40px 20px;
}
h1 {
  color: #2f855a;
}
.video-container {
  margin: 20px 0;
}
.cta-btn {
  display: inline-block;
  background: #38a169;
  color: #fff;
  padding: 15px 25px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  margin: 20px 0;
}
section {
  padding: 30px 20px;
}
.features {
  background: #ffffff;
}
.guarantee {
  background: #e6f5ea;
}
footer {
  text-align: center;
  padding: 20px;
  background: #d1f1dc;
}
footer a {
  margin: 0 10px;
  color: #2f855a;
  text-decoration: none;
}