/* ============================================================
   82-courses — /courses/ index + individual course pages.
   Scoped under .sec-82-courses-grid and .sec-82-course-detail
   ============================================================ */

.sec-82-courses-grid__intro {
  max-width: 62ch;
  color: var(--text-on-bone-dim);
  margin-bottom: 2.2rem;
  font-size: 1.02rem;
  line-height: 1.6;
}

.sec-82-courses-grid__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-gap);
}

.sec-82-courses-grid__card {
  display: block;
  background: var(--white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.4rem, 2vw, 1.9rem);
  border: 1.5px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-color 250ms var(--ease-out), box-shadow 250ms var(--ease-out),
    transform 300ms var(--ease-spring);
}

.sec-82-courses-grid__card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
}

.sec-82-courses-grid__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 0.9rem;
}

.sec-82-courses-grid__card h2 {
  font-size: var(--fs-h4);
  margin-bottom: 0.4rem;
}

.sec-82-courses-grid__card p {
  color: var(--text-on-bone-dim);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.7rem;
}

.sec-82-courses-grid__meta {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 0.9rem;
}

.sec-82-courses-grid__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 200ms var(--ease-spring);
}

.sec-82-courses-grid__card:hover .sec-82-courses-grid__link {
  gap: 0.65rem;
}

@media (max-width: 980px) {
  .sec-82-courses-grid__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .sec-82-courses-grid__grid { grid-template-columns: 1fr; }
}

/* ---- individual course detail page ---- */

.sec-82-course-detail__wrap {
  max-width: 68ch;
}

.sec-82-course-detail__meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  margin-bottom: 1.4rem;
  font-size: 0.85rem;
  color: var(--text-on-bone-dim);
}

.sec-82-course-detail__meta-bar span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sec-82-course-detail__badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.sec-82-course-detail__about {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-on-bone-dim);
  margin-bottom: 2rem;
}

.sec-82-course-detail__curriculum-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.sec-82-course-detail__curriculum {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  border: 1.5px solid var(--border-soft, #e6e1d8);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.sec-82-course-detail__lesson {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--white);
}

.sec-82-course-detail__lesson + .sec-82-course-detail__lesson {
  border-top: 1px solid var(--border-soft, #e6e1d8);
}

.sec-82-course-detail__lesson-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
}

.sec-82-course-detail__lesson-title svg {
  flex: none;
  width: 16px;
  height: 16px;
  color: var(--accent-strong);
}

.sec-82-course-detail__lesson-duration {
  flex: none;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-on-bone-dim);
}

.sec-82-course-detail__cta-note {
  font-size: 0.9rem;
  color: var(--text-on-bone-dim);
  margin-bottom: 1.2rem;
}