/* BASI Courses - Modern Design System */

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: white;
  padding: 100px 0 120px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 150px;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  opacity: 0.95;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Categories Section */
.categories-section {
  padding: 80px 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.category-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.15);
  text-decoration: none;
}

.category-image-wrapper {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.category-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-card:hover .category-image {
  transform: scale(1.1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

.category-content {
  padding: 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-badge {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
}

.category-description {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.category-meta {
  margin-bottom: 20px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.course-count {
  color: #1e3a8a;
  font-weight: 600;
  font-size: 0.95rem;
}

.course-count i {
  margin-right: 6px;
  color: #13314f;
}

.category-link {
  color: #1e3a8a;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s ease;
}

.category-card:hover .category-link {
  gap: 12px;
}

.category-link i {
  transition: transform 0.3s ease;
}

.category-card:hover .category-link i {
  transform: translateX(4px);
}

/* BASI Courses Grid - Modern Design */
.basi-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 35px;
  margin-top: 50px;
}

.basi-course-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.basi-course-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 50px rgba(30, 58, 138, 0.2);
}

.basi-course-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.basi-course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.basi-course-card:hover .basi-course-image img {
  transform: scale(1.15);
}

.levels-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 2;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.levels-badge i {
  margin-right: 6px;
}

.basi-course-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(30, 58, 138, 0.95) 0%, rgba(30, 58, 138, 0.7) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.basi-course-card:hover .basi-course-overlay {
  opacity: 1;
}

.view-course-btn {
  background: white;
  color: #1e3a8a;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.view-course-btn:hover {
  background: #13314f;
  color: white;
  text-decoration: none;
  transform: scale(1.05);
}

.basi-course-content {
  padding: 30px;
}

.basi-course-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.basi-course-title a {
  color: #1e293b;
  text-decoration: none;
  transition: color 0.3s ease;
}

.basi-course-title a:hover {
  color: #1e3a8a;
}

.basi-course-excerpt {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 25px;
  font-size: 1rem;
}

.basi-course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 2px solid #f1f5f9;
}

.basi-course-price {
  display: flex;
  flex-direction: column;
}

.price-label {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 4px;
}

.price-amount {
  font-size: 1.75rem;
  font-weight: 800;
  color: #1e3a8a;
}

.btn-explore {
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-explore:hover {
  transform: translateX(4px);
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

/* Course Single Page - Modern Design */
.basi-overview-section {
  background: white;
  border-radius: 24px;
  padding: 50px;
  margin-bottom: 50px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.basi-info-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  border-radius: 20px;
  padding: 30px;
  border: 2px solid #cbd5e1;
}

.info-card-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
}

.info-card-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-card-item i {
  font-size: 2rem;
  color: #13314f;
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.info-card-item .info-label {
  display: block;
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 6px;
}

.info-card-item .info-value {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: #1e293b;
}

/* Levels Section */
.basi-levels-section {
  padding: 60px 0;
}

.basi-levels-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.basi-level-modern-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.basi-level-modern-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(30, 58, 138, 0.15);
}

.level-number {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  z-index: 2;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.level-modern-image {
  height: 200px;
  overflow: hidden;
}

.level-modern-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.basi-level-modern-card:hover .level-modern-image img {
  transform: scale(1.1);
}

.level-modern-content {
  padding: 30px;
}

.level-modern-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 15px;
}

.level-modern-description {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 20px;
}

.level-modern-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
  padding: 15px;
  background: #f8fafc;
  border-radius: 12px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #475569;
  font-weight: 600;
}

.meta-item i {
  color: #13314f;
}

.meta-item.price {
  color: #1e3a8a;
  font-size: 1.125rem;
}

.btn-level-details {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-level-details:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3);
  color: white;
  text-decoration: none;
}

/* Benefits Section */
.basi-benefits-section {
  padding: 60px 0;
}

.benefits-card {
  background: white;
  border-radius: 24px;
  padding: 50px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.benefit-item {
  text-align: center;
  padding: 25px;
  border-radius: 16px;
  background: #f8fafc;
  transition: all 0.3s ease;
}

.benefit-item:hover {
  background: #eff6ff;
  transform: translateY(-4px);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.75rem;
  color: white;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.2);
}

.benefit-item h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 10px;
}

.benefit-item p {
  color: #64748b;
  font-size: 0.95rem;
  margin: 0;
}

/* Level Single Page - Modern Design */
.level-detail-hero {
  background: white;
  border-radius: 24px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.level-hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 8px 20px;
  border-radius: 25px;
  font-weight: 700;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.level-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #f8fafc;
  border-radius: 16px;
  border: 2px solid #e2e8f0;
}

.hero-meta-item.highlight {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #13314f;
}

.hero-meta-item i {
  font-size: 2rem;
  color: #13314f;
}

.hero-meta-item .meta-label {
  display: block;
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 6px;
}

.hero-meta-item strong {
  display: block;
  font-size: 1.25rem;
  color: #1e293b;
}

.level-content-section {
  background: white;
  border-radius: 20px;
  padding: 35px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.included-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.included-item {
  display: flex;
  align-items: start;
  gap: 15px;
  padding: 15px;
  background: #f8fafc;
  border-radius: 12px;
}

.included-item i {
  font-size: 1.25rem;
  color: #10b981;
  margin-top: 3px;
}

.included-item span {
  color: #475569;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Modern Inquiry Form */
.level-inquiry-section {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.inquiry-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f1f5f9;
}

.modern-inquiry-form {
  margin-top: 25px;
}

.form-floating-modern {
  position: relative;
  margin-bottom: 25px;
}

.form-control-modern {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-control-modern:focus {
  border-color: #13314f;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  outline: none;
}

.form-floating-modern label {
  position: absolute;
  top: -10px;
  left: 15px;
  background: white;
  padding: 0 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
}

.form-control-modern.is-invalid {
  border-color: #ef4444;
}

.invalid-feedback {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 6px;
}

.btn-submit-modern {
  width: 100%;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 16px 32px;
  border: none;
  border-radius: 12px;
  font-size: 1.125rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-submit-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
}

/* Sidebar Modern Cards */
.sidebar-modern-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.sidebar-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid #f1f5f9;
}

.detail-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-row.highlight {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  padding: 15px;
  border-radius: 12px;
  border: 2px solid #13314f;
}

.detail-label {
  font-size: 0.95rem;
  color: #64748b;
  font-weight: 600;
}

.detail-value {
  font-size: 1rem;
  color: #1e293b;
  font-weight: 700;
}

.detail-value-price {
  font-size: 1.5rem;
  color: #1e3a8a;
  font-weight: 800;
}

.detail-link {
  color: #13314f;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.detail-link:hover {
  color: #1e3a8a;
  text-decoration: underline;
}

/* CTA Card */
.sidebar-cta-card {
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 20px;
  padding: 35px;
  text-align: center;
  color: white;
  margin-bottom: 25px;
  box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
}

.cta-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.75rem;
}

.sidebar-cta-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.sidebar-cta-card p {
  opacity: 0.95;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.btn-cta {
  display: inline-block;
  background: white;
  color: #1e3a8a;
  padding: 12px 28px;
  border-radius: 25px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: #1e3a8a;
}

/* Other Levels List */
.other-levels-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.other-level-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  background: #f8fafc;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.other-level-item:hover {
  background: #eff6ff;
  border-color: #13314f;
  transform: translateX(4px);
  text-decoration: none;
}

.other-level-info h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 8px 0;
}

.other-level-meta {
  display: flex;
  gap: 15px;
  font-size: 0.85rem;
  color: #64748b;
}

.other-level-meta i {
  margin-right: 4px;
  color: #13314f;
}

.other-level-item > i {
  color: #94a3b8;
  transition: all 0.3s ease;
}

.other-level-item:hover > i {
  color: #13314f;
  transform: translateX(4px);
}

/* Empty State */
.empty-state-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  padding: 60px 20px;
}

.empty-state-content {
  text-align: center;
  max-width: 500px;
}

.empty-icon {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
  font-size: 2.5rem;
  color: white;
}

.empty-state-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 15px;
}

.empty-state-content p {
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 30px;
}

.btn-back-categories {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-back-categories:hover {
  transform: translateX(-4px);
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
  color: white;
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 992px) {
  .basi-courses-grid,
  .basi-levels-grid-modern {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 400px;
    padding: 80px 0 100px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .categories-grid,
  .basi-courses-grid,
  .basi-levels-grid-modern {
    grid-template-columns: 1fr;
  }

  .basi-overview-section,
  .benefits-card,
  .level-inquiry-section {
    padding: 30px 20px;
  }

  .level-hero-meta {
    grid-template-columns: 1fr;
  }

  .included-grid {
    grid-template-columns: 1fr;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.hero-section {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: white;
  padding: 100px 0 120px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 150px;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  opacity: 0.95;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Categories Section */
.categories-section {
  padding: 80px 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.category-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.15);
  text-decoration: none;
}

.category-image-wrapper {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.category-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-card:hover .category-image {
  transform: scale(1.1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

.category-content {
  padding: 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-badge {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
}

.category-description {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.category-meta {
  margin-bottom: 20px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.course-count {
  color: #1e3a8a;
  font-weight: 600;
  font-size: 0.95rem;
}

.course-count i {
  margin-right: 6px;
  color: #13314f;
}

.category-link {
  color: #1e3a8a;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s ease;
}

.category-card:hover .category-link {
  gap: 12px;
}

.category-link i {
  transition: transform 0.3s ease;
}

.category-card:hover .category-link i {
  transform: translateX(4px);
}

/* Empty State */
.empty-state-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  padding: 60px 20px;
}

.empty-state-content {
  text-align: center;
  max-width: 500px;
}

.empty-icon {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
  font-size: 2.5rem;
  color: white;
}

.empty-state-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 15px;
}

.empty-state-content p {
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 30px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .category-image-wrapper {
    height: 200px;
  }
}

/* Lessons Page Header */
.lessons-page-header {
  text-align: center;
  margin-bottom: 50px;
}

.lessons-page-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 10px;
}

.lessons-page-header p {
  font-size: 1.125rem;
  color: #64748b;
}

/* Lessons Grid */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.lesson-item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.lesson-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.15);
}

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

.lesson-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.lesson-item:hover .lesson-image-wrapper img {
  transform: scale(1.1);
}

.featured-label {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(30, 58, 138, 0.95);
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 2;
}

.lesson-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lesson-item:hover .lesson-overlay {
  opacity: 1;
}

.view-details-btn {
  background: white;
  color: #1e3a8a;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.view-details-btn:hover {
  background: #1e3a8a;
  color: white;
  text-decoration: none;
}

.lesson-content {
  padding: 25px;
}

.lesson-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.info-badge {
  background: #eff6ff;
  color: #1e3a8a;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.lesson-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.lesson-title a {
  color: #1e293b;
  text-decoration: none;
  transition: color 0.3s ease;
}

.lesson-title a:hover {
  color: #1e3a8a;
}

.lesson-excerpt {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 15px;
}

.lesson-price-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding-top: 15px;
  border-top: 1px solid #e2e8f0;
}

.price-label {
  color: #64748b;
  font-size: 0.9rem;
}

.lesson-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e3a8a;
}

.price-range {
  color: #64748b;
  font-size: 1.125rem;
}

.lesson-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.lesson-view-btn:hover {
  transform: translateX(4px);
  color: white;
  text-decoration: none;
}

/* Back Button */
.btn-back-categories {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-back-categories:hover {
  transform: translateX(-4px);
  color: white;
  text-decoration: none;
}

/* Lesson Single Page Styles */
.lesson-main-image {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.lesson-main-image img {
  width: 100%;
  height: auto;
}

.lesson-quick-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
  padding: 25px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.info-item i {
  font-size: 1.75rem;
  color: #13314f;
}

.info-item .label {
  display: block;
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 4px;
}

.info-item strong {
  display: block;
  font-size: 1rem;
  color: #1e293b;
  font-weight: 600;
}

.info-item.price-highlight strong {
  color: #1e3a8a;
  font-size: 1.25rem;
}

.lesson-content-card {
  background: white;
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.lesson-description {
  color: #475569;
  line-height: 1.8;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.feature-item {
  display: flex;
  align-items: start;
  gap: 12px;
}

.feature-item i {
  font-size: 1.125rem;
  color: #10b981;
  margin-top: 3px;
}

.feature-item span {
  color: #475569;
  line-height: 1.6;
}

/* BASI Levels Grid */
.basi-levels-grid {
  display: grid;
  gap: 25px;
}

.basi-level-card {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.basi-level-card:hover {
  border-color: #13314f;
  box-shadow: 0 8px 24px rgba(30, 58, 138, 0.12);
}

.basi-level-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  border-bottom: 1px solid #e2e8f0;
}

.basi-level-image {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.basi-level-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.basi-level-title-section {
  flex: 1;
}

.basi-level-badge {
  display: inline-block;
  background: #1e3a8a;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.basi-level-title-section h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
}

.basi-level-body {
  padding: 20px;
}

.basi-level-description {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 20px;
}

.basi-level-details {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.basi-level-detail-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.basi-level-detail-item i {
  color: #13314f;
  font-size: 1.125rem;
}

.basi-level-footer {
  padding: 20px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

.btn-view-level {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1e3a8a 0%, #13314f 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  width: 100%;
  justify-content: center;
}

.btn-view-level:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
  color: white;
  text-decoration: none;
}

/* Sidebar Styles */
.sidebar-card {
  background: white;
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.sidebar-info-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.sidebar-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 15px;
  border-bottom: 1px solid #e2e8f0;
}

.sidebar-info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  color: #64748b;
  font-size: 0.95rem;
}

.info-value {
  color: #1e293b;
  font-weight: 600;
}

.related-courses-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.related-course-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.related-course-item:hover {
  background: #eff6ff;
  transform: translateX(4px);
  text-decoration: none;
}

.related-course-item img {
  width: 60px;
  height: 45px;
  border-radius: 6px;
  object-fit: cover;
}

.related-course-info h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1e293b;
  margin: 0 0 4px 0;
}

.related-course-info .text-muted {
  font-size: 0.85rem;
}

/* Training Path */
.training-path {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.path-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 15px;
  background: #f8fafc;
  border-radius: 8px;
}

.path-item.active {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 2px solid #13314f;
}

.path-label {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
}

.path-link {
  color: #1e3a8a;
  font-weight: 600;
  text-decoration: none;
}

.path-link:hover {
  color: #13314f;
  text-decoration: underline;
}

.path-current {
  color: #1e3a8a;
  font-weight: 700;
  font-size: 1.05rem;
}

.path-divider {
  text-align: center;
  padding: 10px 0;
  color: #94a3b8;
}

/* Inquiry Form */
.inquiry-form .form-control {
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.inquiry-form .form-control:focus {
  border-color: #13314f;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  outline: none;
}

.inquiry-form .is-invalid {
  border-color: #ef4444;
}

.inquiry-form .invalid-feedback {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 6px;
}

/* Responsive */
@media (max-width: 992px) {
  .lessons-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .lesson-quick-info {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 400px;
    padding: 80px 0 100px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .lessons-grid {
    grid-template-columns: 1fr;
  }

  .lesson-quick-info {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .basi-level-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .basi-level-image {
    width: 100%;
    height: 200px;
  }
}