/* 
 * diBoaS Learning Platform - Components CSS
 * Non-critical learning components (lazy loaded)
 */

/* ===========================
   MOBILE MENU
   =========================== */

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-base);
  transition: background 0.2s ease;
}

.mobile-menu-btn:hover {
  background: var(--neutral-100);
}

.hamburger {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===========================
   CATEGORY SECTIONS
   =========================== */

.categories-section {
  padding: var(--space-16) 0;
  background: white;
}

.categories-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.category-card {
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--aqua-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--aqua-primary);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: var(--aqua-background);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--aqua-primary);
  transition: all 0.3s ease;
}

.category-card:hover .category-icon {
  background: var(--aqua-primary);
  color: white;
  transform: scale(1.1);
}

.category-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.category-description {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.category-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--neutral-100);
}

.stat-group {
  text-align: center;
}

.stat-count {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--aqua-primary);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-text {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===========================
   LEARNING PATHS
   =========================== */

.learning-paths-section {
  padding: var(--space-16) 0;
  background: var(--neutral-50);
}

.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.path-card {
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.path-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
}

.path-header {
  background: var(--aqua-background);
  padding: var(--space-6);
  position: relative;
}

.path-badge {
  background: var(--aqua-primary);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: var(--space-3);
}

.path-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.path-subtitle {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.path-content {
  padding: var(--space-6);
}

.path-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.path-progress {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--neutral-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--aqua-primary);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.progress-text {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: 500;
}

.path-modules {
  margin-bottom: var(--space-6);
}

.modules-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.module-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-base);
  transition: background 0.2s ease;
}

.module-item:hover {
  background: var(--neutral-50);
}

.module-icon {
  width: 20px;
  height: 20px;
  color: var(--aqua-primary);
}

.module-title {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.module-duration {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-left: auto;
}

.path-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--neutral-50);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.path-difficulty {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.difficulty-indicator {
  display: flex;
  gap: 2px;
}

.difficulty-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neutral-200);
}

.difficulty-dot.filled {
  background: var(--aqua-primary);
}

.path-cta {
  background: var(--aqua-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-base);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.path-cta:hover {
  background: var(--aqua-dark);
  transform: translateY(-1px);
}

/* ===========================
   INSTRUCTORS SECTION
   =========================== */

.instructors-section {
  padding: var(--space-16) 0;
  background: white;
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.instructor-card {
  background: white;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.instructor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.instructor-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--aqua-light);
  position: relative;
}

.instructor-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.instructor-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.instructor-title {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.instructor-bio {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.instructor-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--neutral-100);
}

.instructor-stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--aqua-primary);
  display: block;
  font-size: var(--text-lg);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===========================
   TESTIMONIALS
   =========================== */

.testimonials-section {
  padding: var(--space-16) 0;
  background: var(--aqua-background);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  box-shadow: var(--shadow-base);
}

.testimonial-quote {
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  flex: 1;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.author-course {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.testimonial-rating {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.star {
  width: 16px;
  height: 16px;
  color: var(--warning-orange);
}

/* ===========================
   CTA SECTION
   =========================== */

.cta-section {
  padding: var(--space-20) 0;
  background: var(--aqua-primary);
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: var(--text-lg);
  opacity: 0.9;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.cta-primary {
  background: white;
  color: var(--aqua-primary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-base);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}