body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9fdfc;
  color: #123;
  margin: 0;
  padding: 0;
}
header {
  background: linear-gradient(to right, #4caf50, #2196f3);
  color: white;
  padding: 2rem 1rem 1rem;
  text-align: center;
}
.logo-container {
  background-color: white;
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.logo-container img {
  max-height: 60px;
  display: block;
}
.lang-switcher {
  margin-top: 1rem;
}
.lang-switcher a {
  color: white;
  margin: 0 0.5rem;
  text-decoration: underline;
  font-weight: bold;
}
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
}
section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}
h2 {
  color: #2196f3;
}
.button {
  display: inline-block;
  background-color: #4caf50;
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 1rem;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
  color: #555;
}