/* Public course pages: /courses and /courses/{slug} */

.course-card { transition: transform .22s ease, box-shadow .22s ease; }
.course-card:hover { transform: translateY(-3px); box-shadow: 0 18px 24px rgba(40, 30, 20, .08); }

.course-catalog-header {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--brand-border);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(255, 249, 241, .95), rgba(255, 255, 255, .95));
}
.course-catalog-header__eyebrow {
  margin: 0 0 .35rem;
  color: var(--brand-primary);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.course-catalog-header h1 {
  max-width: 760px;
  margin: 0 0 .55rem;
  color: var(--brand-dark);
  font-size: clamp(1.75rem, 2vw, 2.45rem);
  line-height: 1.12;
  font-weight: 800;
}
.course-catalog-header p:last-child { max-width: 760px; margin: 0; color: var(--brand-muted); }

.course-tabs {
  display: inline-flex;
  gap: .5rem;
  margin-bottom: 1.25rem;
  padding: .35rem;
  border: 1px solid var(--brand-border);
  border-radius: 999px;
  background: #fff;
}
.course-tabs__button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: 0 1.05rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--brand-muted);
  font-weight: 800;
}
.course-tabs__button span {
  min-width: 1.55rem;
  height: 1.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(20, 33, 61, .08);
  color: var(--brand-dark);
  font-size: .78rem;
}
.course-tabs__button.is-active { background: var(--brand-dark); color: #fff; box-shadow: 0 12px 28px rgba(20, 33, 61, .16); }
.course-tabs__button.is-active span { background: rgba(255,255,255,.18); color: #fff; }
.course-tab-panel { display: none; }
.course-tab-panel.is-active { display: block; }

.course-section-heading { margin-bottom: 1rem; }
.course-section-heading h2 {
  margin: 0 0 .35rem;
  color: var(--brand-dark);
  font-size: 1.35rem;
  line-height: 1.2;
  font-weight: 800;
}
.course-section-heading p,
.course-catalog-note,
.course-catalog-empty { color: var(--brand-muted); }
.course-catalog-note,
.course-catalog-empty {
  padding: 1.25rem;
  border: 1px dashed var(--brand-border);
  border-radius: 1rem;
  background: #fff;
}
.course-catalog-note a { font-weight: 800; }
.course-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}
.course-catalog-card { height: 100%; overflow: hidden; }
.course-catalog-card__media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #f6ede2;
}
.course-catalog-card__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .26s ease;
}
.course-catalog-card:hover .course-catalog-card__media img { transform: scale(1.035); }
.course-catalog-card__badge {
  position: absolute;
  top: .85rem;
  left: .85rem;
  z-index: 1;
  padding: .35rem .65rem;
  border-radius: 999px;
  background: rgba(20, 33, 61, .82);
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  backdrop-filter: blur(8px);
}
.course-catalog-card.is-owned { border: 1px solid rgba(31, 160, 93, .22) !important; }
.course-catalog-card.is-owned .course-catalog-card__badge { background: rgba(31, 160, 93, .9); }
.course-catalog-card__body { display: flex; flex-direction: column; min-height: 24rem; }
.course-catalog-card__meta { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: .75rem; }
.course-catalog-card__meta span {
  padding: .28rem .55rem;
  border-radius: 999px;
  background: rgba(20, 33, 61, .06);
  color: var(--brand-muted);
  font-size: .76rem;
  font-weight: 800;
}
.course-catalog-card__title { min-height: 3rem; line-height: 1.35; }
.course-catalog-card__details { position: relative; max-height: 11.5rem; overflow: hidden; padding-right: .15rem; }
.course-catalog-card__details::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2.6rem;
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff 78%);
  pointer-events: none;
}
.course-catalog-card.is-expanded .course-catalog-card__details { max-height: 11.5rem; overflow-y: auto; overscroll-behavior: contain; }
.course-catalog-card.is-expanded .course-catalog-card__details::after { display: none; }
.course-catalog-card__description { margin-bottom: .85rem; line-height: 1.65; }
.course-catalog-card__benefits { margin: 0; padding-left: 1.15rem; line-height: 1.55; }
.course-catalog-card__more {
  align-self: flex-start;
  margin-top: .35rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--brand-primary);
  font-weight: 700;
}
.course-catalog-card__more:hover,
.course-catalog-card__more:focus { text-decoration: underline; }
.course-catalog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--brand-border);
}
.course-catalog-card__price { min-width: 0; font-size: .95rem; }

.course-lessons-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.course-lessons-header__meta { display: flex; flex-wrap: wrap; gap: .5rem; color: var(--brand-muted); font-size: .92rem; }
.course-lessons-header__meta span {
  display: inline-flex;
  align-items: center;
  padding: .25rem .65rem;
  border: 1px solid rgba(122, 31, 51, .13);
  border-radius: 999px;
  background: rgba(122, 31, 51, .06);
}
.course-lesson-list { display: grid; gap: .85rem; margin-top: .9rem; }
.course-lesson-card {
  display: grid;
  grid-template-columns: minmax(112px, 156px) minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: .75rem;
  border: 1px solid rgba(122, 31, 51, .12);
  border-radius: 1rem;
  background: #fff;
  color: #111827;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(122, 31, 51, .06);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.course-lesson-card:hover,
.course-lesson-card:focus { border-color: rgba(122,31,51,.38); color: #111827; box-shadow: 0 18px 36px rgba(122,31,51,.10); transform: translateY(-1px); }
.course-lesson-card__thumb { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 9; border-radius: .8rem; background: linear-gradient(135deg, rgba(122,31,51,.92), rgba(214,186,145,.82)); }
.course-lesson-card__thumb img { width: 100%; height: 100%; display: block; object-fit: cover; }
.course-lesson-card__duration { position: absolute; right: .45rem; bottom: .45rem; padding: .28rem .45rem; border-radius: 999px; background: rgba(17,24,39,.82); color: #fff; font-size: .76rem; font-weight: 700; line-height: 1; }
.course-lesson-card__content { display: grid; gap: .45rem; min-width: 0; }
.course-lesson-card__badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.course-lesson-card__badge-featured { background: #fff1cc; color: #7a4b00; }
.course-lesson-card__title { color: #1f2937; font-size: 1.02rem; font-weight: 700; line-height: 1.35; }
.course-lesson-card__subtitle { color: var(--brand-muted); font-size: .9rem; }

.lesson-content { line-height: 1.75; }
.lesson-content img,
.lesson-content video,
.lesson-content iframe { max-width: 100%; height: auto; }
.lesson-content blockquote { padding-left: 1rem; border-left: 4px solid var(--brand-border); color: var(--brand-muted); }
.lesson-content pre { overflow: auto; padding: 1rem; border-radius: .75rem; background: #f8fafc; }
.sticky-card { position: sticky; top: 6.5rem; }

@media (max-width: 991.98px) {
  .course-catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-card { position: static; }
}
@media (max-width: 575.98px) {
  .course-catalog-grid { grid-template-columns: 1fr; }
  .course-catalog-card__body { min-height: 0; }
  .course-catalog-card__footer { align-items: stretch; flex-direction: column; }
  .course-lesson-card { grid-template-columns: 1fr; }
}