body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f4f6fa;
  color: #222;
  line-height: 1.6;
  margin: 0;
}

header {
  background: #2d5fd3;
  color: white;
  padding: 25px;
  text-align: center;
  border-bottom: 4px solid #c8102e;
}

header h1 {
  margin-bottom: 10px;
  letter-spacing: 1px;
}

nav {
  background: #c8102e;
  border-bottom: 3px solid #a50f27;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 12px 30px;
  display: block;
  font-weight: bold;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background: white;
  color: #c8102e;
}

.container {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 20px;
  padding: 20px;
  max-width: 1100px;
  margin: 20px auto;
  border: 2px solid #ddd;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.main-content {
  background: white;
  padding: 25px;
  border-radius: 8px;
}

.sidebar {
  background: white;
  padding: 20px;
  border-radius: 8px;

  border: 1px solid #ddd;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

img {
  width: 100%;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid #ccc;
}

h2 {
  border-bottom: 2px solid #1d428a;
  padding-bottom: 5px;
  margin-bottom: 15px;
}

a {
  color: #1d428a;
  transition: color 0.3s;
}

a:hover {
  color: #c8102e;
}


footer {
  background: #1d428a;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 30px;
  border-top: 4px solid #c8102e;
}

.container {
  max-width: 1100px;
  margin: 20px auto;
}

nav ul {
  flex-wrap: wrap;
}