* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background-color: #f5f5f5;
  color: #333;
}

a {
  text-decoration: none;
  color: #003366;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

header {
  background-color: #002244;
  padding: 15px 0;
}

.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  height: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: #fff;
  font-weight: 600;
}

.hero {
  background: url('images/hero.jpg') center/cover no-repeat;
  color: white;
  height: 400px;
  position: relative;
}

.hero .overlay {
  background-color: rgba(0, 0, 50, 0.6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.section {
  padding: 60px 0;
  background-color: #fff;
}

.section.light-bg {
  background-color: #e6f0ff;
}

h2 {
  margin-bottom: 20px;
  text-align: center;
  color: #002244;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  align-items: center;
}

.card {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  text-align: center;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 15px;
}

ul li {
  margin-bottom: 10px;
}

.responsive-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.contact {
  text-align: center;
  background-color: #f0f8ff;
}

footer {
  background-color: #001122;
  color: #fff;
  text-align: center;
  padding: 15px 0;
  margin-top: 40px;
}

.lang-switch {
  color: white;
  font-weight: bold;
}

.lang-switch button {
  background: none;
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
  padding: 5px;
}