/* XZL Courses Page Styles */

.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  text-align: center;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex: 1;
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  background: var(--bg-secondary);
}

.filter-tab:hover {
  color: var(--color-primary);
  border-color: rgba(26, 86, 50, 0.15);
}

.filter-tab.active {
  background: var(--gradient-primary);
  color: var(--text-on-primary);
  border-color: transparent;
}

.filter-search {
  position: relative;
  flex-shrink: 0;
}

.filter-search svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.filter-search input {
  padding: var(--space-2) var(--space-5) var(--space-2) var(--space-10);
  border: 1px solid rgba(26, 86, 50, 0.12);
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  font-size: var(--text-sm);
  width: 220px;
  transition: all var(--duration-fast) var(--ease-out);
}

.filter-search input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(46, 160, 98, 0.1);
  width: 280px;
}

/* Course Grid */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.course-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(26, 86, 50, 0.08);
  transition: all var(--duration-normal) var(--ease-out);
}

.course-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(26, 86, 50, 0.15);
}

.course-card.hidden {
  display: none;
}

.course-card__cover {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.course-card__level {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  backdrop-filter: blur(8px);
}

.course-card__body {
  padding: var(--space-6);
}

.course-card__tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.course-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.course-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.course-card__rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 600;
  color: var(--color-accent);
}

.course-card__stats {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.course-card__progress {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.course-card__bar {
  flex: 1;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.course-card__progress .course-card__bar {
  background: var(--gradient-primary);
  animation: progress-fill 1s ease forwards;
}

/* Mentor Grid */
.mentor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.mentor-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(26, 86, 50, 0.06);
  transition: all var(--duration-normal) var(--ease-out);
}

.mentor-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.mentor-card__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0 auto var(--space-4);
}

.mentor-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

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

.mentor-card__tags {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.mentor-card__courses {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Learning Path Timeline */
.path-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--space-16);
}

.path-timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-accent));
  border-radius: var(--radius-full);
}

.path-step {
  position: relative;
  padding-bottom: var(--space-10);
}

.path-step:last-child {
  padding-bottom: 0;
}

.path-step__dot {
  position: absolute;
  left: calc(-1 * var(--space-16) + 12px);
  top: 4px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.path-step__content {
  background: var(--bg-primary);
  border: 1px solid rgba(26, 86, 50, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
}

.path-step__content:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 86, 50, 0.15);
}

.path-step__num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: rgba(26, 86, 50, 0.06);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.path-step__content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.path-step__content p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Responsive */
@media (max-width: 1024px) {
  .course-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .mentor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .course-grid {
    grid-template-columns: 1fr;
  }
  .filter-search input {
    width: 100%;
  }
  .filter-search input:focus {
    width: 100%;
  }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .mentor-grid {
    grid-template-columns: 1fr;
  }
}