body {
  font-family: "Courier New", Courier, monospace;
  margin: 0;
  padding: 0;
  color: #333;
  background: #f0f0f0;
  overflow-x: hidden;
}

header {
  background: #2c3e50;
  color: #fff;
  padding: 1rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  font-size: 2rem;
  font-weight: bold;
  margin-left: 20px;
  background: linear-gradient(to bottom, #ffd700, #ff1e00);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  font-weight: 900;
}

.logo {
  width: 50px;
  height: auto;
  margin-right: 15px;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
}

.nav-links li {
  margin: 0 15px;
}

.nav-links li a {
  color: #fff;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: bold;
  transition: color 0.3s ease, transform 0.3s ease;
}

.nav-links li a:hover {
  color: #ffeb3b;
  transform: scale(1.1);
}

main {
  padding: 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.course-info {
  text-align: center;
  margin-bottom: 2rem;
}

.course-info h1 {
  font-size: 3.5rem;
  color: #3498db;
  margin-bottom: 10px;
}

.status {
  font-size: 1.2rem;
  color: #e74c3c;
  font-weight: bold;
}

.curriculum {
  background: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.module {
  margin-bottom: 2rem;
}

.module h3 {
  font-size: 1.8rem;
  color: #3498db;
  margin-bottom: 10px;
}

.module ul {
  list-style-type: disc;
  padding-left: 20px;
}

.module ul li {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.module ul li b {
  font-weight: bold;
}

footer {
  background: #2c3e50;
  color: #fff;
  text-align: center;
  padding: 1rem;
  position: fixed;
  width: 100%;
  bottom: 0;
  box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.2);
}

/* Existing styles */

.module-header {
  background: #3498db;
  color: #fff;
  border: none;
  padding: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
  text-align: left;
  cursor: pointer;
  border-radius: 5px;
  width: 100%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease;
  font-family: "Courier New", Courier, monospace;
}

.module-header:hover {
  background: #2980b9;
}

.module-content {
  display: none;
  padding: 1rem;
  border-top: 2px solid #3498db;
  background: #ffffff;
  border-radius: 0 0 5px 5px;
}

.module-content ul {
  list-style-type: disc;
  padding-left: 20px;
}

.module-content ul li {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.module-content ul li b {
  font-weight: bold;
}

.module-content {
  display: none;
  padding: 1rem;
  border-top: 2px solid #3498db;
  background: #ffffff;
  border-radius: 0 0 5px 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.module-detail {
  margin-bottom: 2rem;
}

.module-detail h3 {
  font-size: 1.5rem;
  color: #3498db;
  margin-bottom: 10px;
}

.module-detail h4 {
  font-size: 1.2rem;
  color: #3498db;
  margin-top: 10px;
  margin-bottom: 5px;
}

.module-detail p {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.module-detail pre {
  background: #f8f8f8;
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
}