* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9f9f9;
}
header {
  background: #002855;
  color: white;
  padding: 1.2rem 0;
}
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}
header h1 {
  float: left;
  font-size: 1.5rem;
}
nav ul {
  list-style: none;
  float: right;
}
nav ul li {
  display: inline;
  margin-left: 1.5rem;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.lang-switch a {
  color: #ffcc00;
}
#hero {
  background: #e6f0ff;
  padding: 4rem 0;
  text-align: center;
}
#hero h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
#hero p {
  font-size: 1.2rem;
  color: #555;
}
section {
  padding: 3rem 0;
}
h3 {
  margin-bottom: 1.5rem;
  color: #002855;
}
ul li {
  margin-bottom: 0.8rem;
}
form {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}
form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
form input, form textarea {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1.2rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}
form button {
  background: #002855;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}
form button:hover {
  background: #014aad;
}
footer {
  background: #002855;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 2rem;
}
@media (max-width: 768px) {
  header h1, nav ul {
    float: none;
    text-align: center;
  }
  nav ul li {
    display: block;
    margin: 0.5rem 0;
  }
}