/* ========== General Layout ========== */
*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgb(11, 4, 97);
  padding: 12px 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header img {
  height: 100px;
}

header .learn-btn {
  color: #0a0396;
  background: #ffffff;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}
.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}
footer {
  background: rgb(11, 4, 97);
  color: white;
  padding: 10px;
  text-align: center;
}