/* Course landing page (Chessable parity). */

.course-landing {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.course-landing__hero {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 32px;
  background: var(--color-surface, #1a1d22);
  border: 1px solid var(--color-border, #2a2f36);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 32px;
}

.course-landing__cover {
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: #232830;
  border-radius: 8px;
}

.course-landing__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 96px;
  font-weight: 700;
  color: var(--color-text-muted, #6a6f78);
  background: linear-gradient(135deg, #2a2f36 0%, #1a1d22 100%);
}

.course-landing__hero-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.course-landing__breadcrumb {
  font-size: 13px;
  color: var(--color-text-muted, #8a8f98);
  text-decoration: none;
}

.course-landing__breadcrumb:hover { color: var(--color-text, #fff); }

.course-landing__title {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 700;
}

.course-landing__tagline {
  margin: 0;
  font-size: 17px;
  color: var(--color-text-secondary, #b0b5be);
  line-height: 1.5;
}

.course-landing__author-row {
  font-size: 14px;
}

.course-landing__author-by {
  color: var(--color-text-muted, #8a8f98);
}

.course-landing__author-name {
  color: var(--color-accent, #ff7f00);
  text-decoration: none;
}

.course-landing__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted, #8a8f98);
}

.course-landing__pro-badge {
  align-self: flex-start;
}

.course-landing__cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border, #2a2f36);
  flex-wrap: wrap;
}

.course-landing__price {
  font-size: 28px;
  font-weight: 700;
}

.course-landing__cta-buttons {
  display: flex;
  gap: 12px;
}

/* Tabs section */

.course-landing__tabs-section {
  background: var(--color-surface, #1a1d22);
  border: 1px solid var(--color-border, #2a2f36);
  border-radius: 12px;
  padding: 24px;
}

.course-landing__overview { display: grid; gap: 24px; }
.course-landing__description { line-height: 1.6; }
.course-landing__includes { background: rgba(255, 255, 255, 0.03); padding: 16px; border-radius: 8px; }
.course-landing__includes h3 { margin: 0 0 8px; font-size: 16px; }
.course-landing__includes ul { margin: 0; padding-left: 20px; }
.course-landing__includes li { margin-bottom: 4px; }
.course-landing__video-placeholder {
  background: #0d0f12;
  border: 1px dashed var(--color-border, #2a2f36);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted, #8a8f98);
  border-radius: 8px;
}

/* Variations */

.course-landing__variations-hint {
  color: var(--color-text-muted, #8a8f98);
  margin: 0 0 16px;
}

.course-landing__chapter-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.course-landing__chapter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border, #2a2f36);
  border-radius: 8px;
  transition: background 0.15s ease;
}

.course-landing__chapter-row:hover { background: rgba(255, 255, 255, 0.04); }

.course-landing__chapter-row.is-locked {
  opacity: 0.7;
  cursor: pointer;
}

.course-landing__chapter-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
}

.course-landing__chapter-summary {
  margin: 0;
  color: var(--color-text-muted, #8a8f98);
  font-size: 13px;
}

.course-landing__chapter-right {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted, #8a8f98);
  font-size: 13px;
}

.lock-icon { font-size: 18px; }

/* Author tab */

.course-landing__author-card {
  display: flex;
  gap: 16px;
  align-items: center;
}

.course-landing__author-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: #232830;
  object-fit: cover;
}

.course-landing__author-meta h3 { margin: 0; }
.course-landing__author-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-accent, #ff7f00);
  text-decoration: none;
}

.course-landing__author-badge {
  display: inline-block;
  background: var(--color-success-bg, #1d3b2e);
  color: var(--color-success, #4ade80);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin: 4px 0;
}

/* Reviews */

.course-landing__reviews-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border, #2a2f36);
  margin-bottom: 16px;
}

.course-landing__rating-big {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.course-landing__rating-num {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
}

.course-landing__rating-count {
  color: var(--color-text-muted, #8a8f98);
  font-size: 13px;
  margin-top: 4px;
}

.course-landing__rating-bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rating-bar {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.rating-bar-fill {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.rating-bar-fill > div {
  background: var(--color-accent, #ff7f00);
  height: 100%;
}

.course-landing__reviews-sort {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.course-landing__reviews-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.course-landing__review {
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 16px;
  border-radius: 8px;
}

.course-landing__review-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--color-text-muted, #8a8f98);
  font-size: 13px;
}

.course-landing__review-body {
  margin: 0;
  line-height: 1.5;
}

.course-landing__review-footer {
  margin-top: 8px;
  color: var(--color-text-muted, #8a8f98);
  font-size: 12px;
}

.course-landing__coach-response {
  margin: 8px 0 0;
  border-left: 3px solid var(--color-accent, #ff7f00);
  padding: 8px 12px;
  background: rgba(255, 127, 0, 0.05);
  font-style: italic;
}

/* Q&A coming-soon */

.course-landing__qa-coming-soon {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted, #8a8f98);
}

/* Mobile */

@media (max-width: 768px) {
  .course-landing { padding: 12px; }
  .course-landing__hero {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .course-landing__cover {
    aspect-ratio: 16 / 9;
  }
  .course-landing__title { font-size: 24px; }
  .course-landing__cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .course-landing__cta-buttons { flex-direction: column; }
  .course-landing__cta-buttons > * { width: 100%; }
  .course-landing__tabs-section { padding: 16px; }
  .course-landing__reviews-head {
    grid-template-columns: 1fr;
  }
}