body {
  font-family: Arial, sans-serif;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
  color: #333;
  background-color: #f9f9f9;
  box-sizing: border-box;
}

main {
  margin-top: 2rem;
  text-align: center;
  padding: 0 0 20px 0;
}

main h2 {
  color: #004080;
  margin-bottom: 1rem;
}

ul {
  list-style-type: none;
  padding: 0;
  margin-top: 2rem;
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

li {
  margin: 1rem 0;
  font-size: 1.1rem;
}

a.document-link {
  color: #0066cc;
  text-decoration: none;
}

a.document-link:hover {
  text-decoration: underline;
}

/* Products Section */
#products {
  padding: 30px 0;
  background-color: white;  /* background clear/white */
}

#products h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

.product-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.product {
  background: white;
  border: 1px solid #ddd;
  border-radius: 5px;
  width: 250px;
  padding: 15px;
  text-align: left;
  transition: box-shadow 0.3s ease;
}

.product h3 {
  margin-bottom: 10px;
  color: #007bff;
}

.product p {
  color: #555;
  font-size: 0.95rem;
}

.product a {
  text-decoration: none;
  color: inherit;
}

.product:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}


#demo {
  background: #f8fbff;
  padding: 60px 20px;
  text-align: center;
  color: #333;
}

#demo .container {
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #0056b3;
}

.demo-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  text-align: left;
}

.demo-list li {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}

.demo-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #007bff;
  font-size: 1rem;
}

.demo-button {
  display: inline-block;
  background: #007bff;
  color: #fff;
  text-decoration: none;
  padding: 12px 25px;
  border-radius: 6px;
  font-size: 1rem;
  transition: background 0.3s;
}

.demo-button:hover {
  background: #0056b3;
}

@media (max-width: 768px) {
  body {
    padding: 0 1rem;
  }

  main h2 {
    font-size: 1.5rem;
  }

  ul {
    max-width: 100%;
    padding: 0 1rem;
  }

  li {
    font-size: 1rem;
  }

  .product-list {
    flex-direction: column;
    align-items: center;
  }

  .product {
    width: 100%;
    max-width: 320px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .demo-list {
    padding: 0 1rem;
  }

  .demo-button {
    width: 100%;
    box-sizing: border-box;
    font-size: 1rem;
    padding: 14px;
    margin-top: 10px;
  }
}

@media (max-width: 480px) {
  .section-title,
  main h2 {
    font-size: 1.25rem;
  }

  li {
    font-size: 0.95rem;
  }

  .demo-button {
    font-size: 0.95rem;
    padding: 12px;
  }
}