/* Courses Hero */
.courses-hero {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.pexels.com/photos/7089401/pexels-photo-7089401.jpeg');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 6rem 0;
  text-align: center;
}

.courses-hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.courses-hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Course Categories */
.course-categories {
  background-color: var(--white);
  padding: 2rem 0;
  border-bottom: 1px solid #eee;
}

.categories-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.categories-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.categories-nav li a {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: #f5f5f5;
  color: var(--text-dark);
  border-radius: 30px;
  font-weight: 500;
  transition: var(--transition);
}

.categories-nav li a:hover,
.categories-nav li a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.categories-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
}

.pagination-btn {
  background: none;
  border: none;
  color: var(--text-medium);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition);
}

.pagination-btn:hover {
  color: var(--primary-color);
}

#paginationNumbers {
  display: flex;
  margin: 0 1rem;
}

.page-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin: 0 0.25rem;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.page-number.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.page-number:not(.active):hover {
  background-color: #f5f5f5;
}

/* Courses Grid */
.courses-grid-container {
  padding: 4rem 0;
  background-color: var(--background-light);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.course-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.course-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
  transform: scale(1.05);
}

.course-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--accent-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.course-info {
  padding: 1.5rem;
}

.course-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.course-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-medium);
}

.course-meta span {
  display: flex;
  align-items: center;
}

.course-meta span i {
  margin-right: 0.5rem;
}

.course-info p {
  color: var(--text-medium);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

/* Media Queries */
@media (max-width: 992px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .courses-hero h1 {
    font-size: 2.5rem;
  }
  
  .courses-hero p {
    font-size: 1.1rem;
  }
  
  .categories-nav ul {
    gap: 0.5rem;
  }
  
  .categories-nav li a {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
  }
  
  .courses-grid-container {
    padding: 3rem 0;
  }
}

@media (max-width: 576px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
  
  .courses-hero {
    padding: 4rem 0;
  }
  
  .courses-hero h1 {
    font-size: 2rem;
  }
  
  .courses-hero p {
    font-size: 1rem;
  }
  
  .course-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}