body {
    margin: 0;
    padding: 0;
}

header {
    border-bottom: 1px solid #eee;
}

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

.logo h1 {
    font-size: 20px;
    margin: 0;
}

.nav-menu .menu {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.nav-menu .menu li {
    display: inline-block;
}

.nav-menu .menu li a {
    text-decoration: none;
    color: #333;
}

.nav-menu .menu li a:hover {
    color: #0073aa;
}

footer {
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.course-card {
  border: 1px solid #ddd;
  padding: 16px;
  margin-bottom: 20px;
  border-radius: 8px;
  background-color: #ffffff;
}

.course-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.course-card p {
  margin: 5px 0;
  font-size: 14px;
  color: #555;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .course-grid {
    grid-template-columns: repeat(1, 1fr);
  }
}

.course-card {
  border: 1px solid #eee;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
}

.course-title {
  font-size: 18px;
  font-weight: 600;
  margin: 10px 0;
}

.course-meta {
  font-size: 14px;
  color: #666;
}

.course-card {
  transition: all 0.3s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.course-title {
  transition: color 0.3s ease;
}

.course-card:hover .course-title {
  color: #0073aa;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  font-size: 28px;
  margin-bottom: 15px;
}

.course-content {
  line-height: 1.6;
  font-size: 16px;
  color: #333;
}

.course-content h2 {
  font-size: 22px;
  margin-top: 25px;
  margin-bottom: 10px;
}

.course-content p {
  margin-bottom: 12px;
}

.course-content ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.course-content li {
  margin-bottom: 6px;
}

.course-content strong {
  color: #000;
}



.course-cta {
  margin-top: 30px;
  padding: 20px;
  background: #f0f8ff;
  border-radius: 8px;
  text-align: center;
}

.course-cta h2 {
  margin-bottom: 15px;
}

.cta-button {
  display: inline-block;
  background: #0073aa;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
}

.cta-button:hover {
  background: #005177;
}