body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #f7f7f7;
  color: #333;
}
header {
  background-color: #cceecc;
  color: white;
  padding: 10px 20px;
  text-align: center;
}
.hero {
  background: #e6eef2;
  padding: 10px 20px;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 18px;
}
.hero h1 {
  font-size: 2.5em;
  margin-bottom: 1px;
  color: navy;
}
.hero p {
  font-size: 1.2em;
}
.hero ul {
  list-style: none;
  padding: 0;
}
.section {
  padding: 40px 20px;
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: 18px;
}
.section h2 {
  color: #005b96;
}
.features ul {
  list-style: none;
  padding: 0;
}
.button {
  padding: 12px 25px;
  font-size: 1em;
  background-color: #005b96;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
footer {
  background: #002b45;
  color: white;
  text-align: center;
  padding: 10px;
}