/* Styles specific to course-detail.php */

.page-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.course-icon-img {
align-items: center;
  justify-content: center;
  width: auto;
  height: 100px;
  background-color: #f0f0f0;
  margin-bottom: 20px;
}
.course-icon-large {
   width: auto;
  height: 100px;
  background-color: #f0f0f0;
  margin-bottom: 20px;

}
.hero-header {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-dark-blue));
  padding: var(--spacing-xxl) 0;
  color: var(--color-white);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.hero-header .hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-header .course-icon {
  font-size: 4em;
  margin-bottom: var(--spacing-sm);
}

.hero-header .hero-title {
  font-size: 3em;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.hero-header .hero-description {
  font-size: 1.2em;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.hero-header .hero-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-header .badge {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95em;
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-header .badge i {
  font-size: 1.1em;
}

.main-content {
  flex-grow: 1;
  padding: var(--spacing-xxxl) 0;
  background-color: var(--color-background-light);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 992px) {
  .content-grid {
    grid-template-columns: 2.5fr 1fr;
    align-items: start;
  }
}

.content-area {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-xl);
}

.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-gray-border);
  padding-bottom: var(--spacing-md);
}

.tabs-nav .tab-btn {
  background-color: transparent;
  border: none;
  padding: 12px 20px;
  font-size: 1.1em;
  font-weight: 600;
  color: var(--color-text-medium);
  cursor: pointer;
  transition: color 0.3s ease, border-bottom-color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tabs-nav .tab-btn:hover {
  color: var(--color-primary-blue);
}

.tabs-nav .tab-btn.active {
  color: var(--color-primary-blue);
  border-bottom: 3px solid var(--color-primary-blue);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-section {
  margin-bottom: var(--spacing-xl);
}

.tab-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--color-dark-blue);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title i {
  color: var(--color-accent-red);
}

.section-description {
  font-size: 1.05em;
  line-height: 1.7;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-lg);
}

.subsection-title {
  font-size: 1.4em;
  font-weight: 600;
  color: var(--color-primary-blue);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.subsection-title i {
  color: #28a745; /* Green checkmark */
}

.features-grid,
.faculty-list,
.methodology-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.feature-item,
.faculty-item,
.methodology-item {
  background-color: var(--color-background-light);
  padding: 15px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95em;
  color: var(--color-text-dark);
  font-weight: 500;
}

.feature-item i,
.methodology-item i {
  color: #28a745; /* Green checkmark */
}

.faculty-item i {
  color: var(--color-primary-blue);
}

.curriculum-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.curriculum-item {
  background-color: var(--color-background-light);
  padding: 15px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-border);
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.95em;
  color: var(--color-text-dark);
  font-weight: 500;
}

.curriculum-item .curriculum-number {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

/* Sidebar Styles */
.sidebar {
  position: sticky;
  top: 100px; /* Adjust based on header height */
  align-self: flex-start;
}

.sidebar-sticky {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.sidebar .course-card,
.sidebar .info-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  text-align: center;
}

.sidebar .card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.sidebar .course-icon-large {
  font-size: 3em;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-sm);
}

.sidebar .course-card h3 {
  font-size: 1.8em;
  color: var(--color-dark-blue);
  margin: 0;
}

.course-details {
  margin-bottom: var(--spacing-xl);
  border-top: 1px solid var(--color-gray-border);
  padding-top: var(--spacing-md);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-size: 1.1em;
  color: var(--color-text-dark);
  border-bottom: 1px dashed var(--color-light-gray-bg);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.detail-label i {
  color: var(--color-primary-blue);
}

.detail-value {
  font-weight: 700;
  color: var(--color-dark-blue);
}

.detail-value.price {
  color: var(--color-accent-red);
}

.enroll-btn {
  background-color: var(--color-accent-red);
  color: var(--color-white);
  padding: 15px 25px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.1em;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none; /* Ensure it looks like a button */
}

.enroll-btn:hover {
  background-color: var(--color-dark-red);
  transform: translateY(-2px);
}

.enroll-note {
  font-size: 0.85em;
  color: var(--color-text-medium);
  margin-top: var(--spacing-sm);
}

.info-card h4 {
  font-size: 1.5em;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-md);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--spacing-xl);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95em;
  color: var(--color-text-dark);
  font-weight: 500;
}

.info-item i {
  color: #28a745; /* Green checkmark */
}

.explore-all-courses-btn {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  width: 100%;
  text-decoration: none;
  display: inline-block;
}

.explore-all-courses-btn:hover {
  background-color: var(--color-dark-blue);
  transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .hero-header .hero-title {
    font-size: 2.5em;
  }
  .hero-header .hero-description {
    font-size: 1em;
  }
  .content-area {
    padding: var(--spacing-lg);
  }
  .tabs-nav {
    flex-direction: column;
    align-items: center;
  }
  .tabs-nav .tab-btn {
    width: 100%;
    justify-content: center;
  }
  .sidebar {
    position: static;
    margin-top: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .hero-header .hero-title {
    font-size: 2em;
  }
  .hero-header .course-icon {
    font-size: 3em;
  }
  .hero-header .badge {
    font-size: 0.85em;
    padding: 8px 15px;
  }
  .section-title {
    font-size: 1.5em;
  }
  .subsection-title {
    font-size: 1.2em;
  }
  .features-grid,
  .faculty-list,
  .methodology-list {
    grid-template-columns: 1fr;
  }
  .curriculum-item {
    font-size: 0.9em;
  }
  .sidebar .course-card,
  .sidebar .info-card {
    padding: var(--spacing-md);
  }
  .sidebar .course-card h3 {
    font-size: 1.5em;
  }
  .detail-item {
    font-size: 1em;
  }
  .enroll-btn {
    font-size: 1em;
    padding: 12px 20px;
  }
  .info-card h4 {
    font-size: 1.3em;
  }
  .info-item {
    font-size: 0.9em;
  }
}

@media (max-width: 480px) {
  .hero-header .hero-title {
    font-size: 1.8em;
  }
  .hero-header .hero-description {
    font-size: 0.9em;
  }
  .hero-header .course-icon {
    font-size: 2.5em;
  }
  .content-area {
    padding: var(--spacing-md);
  }
  .tabs-nav .tab-btn {
    font-size: 0.9em;
    padding: 10px 15px;
  }
  .section-title {
    font-size: 1.3em;
  }
  .section-description {
    font-size: 0.9em;
  }
  .subsection-title {
    font-size: 1.1em;
  }
  .feature-item,
  .faculty-item,
  .methodology-item,
  .curriculum-item {
    font-size: 0.85em;
    padding: 10px 15px;
  }
  .curriculum-item .curriculum-number {
    width: 25px;
    height: 25px;
    font-size: 0.9em;
  }
  .sidebar .course-card h3 {
    font-size: 1.3em;
  }
  .detail-item {
    font-size: 0.9em;
  }
  .enroll-btn {
    font-size: 0.9em;
    padding: 10px 15px;
  }
  .info-card h4 {
    font-size: 1.1em;
  }
  .info-item {
    font-size: 0.85em;
  }
  .explore-all-courses-btn {
    font-size: 0.9em;
    padding: 10px 15px;
  }
}