body {
  font-family: "Segoe UI", sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
  color: #333;
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 2rem;
  background-color: #fff;
}

h1 {
  color: #2c3e50;
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.3rem;
  color: #444;
  margin-bottom: 1.5rem;
}

img.preview {
  width: 100%;
  max-width: 700px;
  border-radius: 8px;
  margin-bottom: 2rem;
}

ul {
  padding-right: 1.2rem;
}

ul li {
  margin-bottom: 10px;
  padding-right: 1rem;
  position: relative;
}

ul li::before {
  content: "✔️";
  position: absolute;
  right: -1.2rem;
}

.section-title {
  font-weight: bold;
  margin-top: 2rem;
  font-size: 1.1rem;
  color: #2d3e50;
}

.cta {
  margin: 2.5rem 0;
  text-align: center;
}

.cta a {
  background-color: #27ae60;
  color: white;
  text-decoration: none;
  padding: 14px 28px;
  font-size: 1.2rem;
  border-radius: 6px;
  display: inline-block;
  transition: background 0.3s ease;
}

.cta a:hover {
  background-color: #1e8c4f;
}

.guarantee {
  margin-top: 2rem;
  background-color: #e8f5e9;
  padding: 1rem;
  border-radius: 6px;
  font-size: 1rem;
  color: #2c3e50;
}

.footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #999;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1rem;
  }

  .cta a {
    font-size: 1rem;
    padding: 12px 20px;
  }
}