/* ================================================================
   lesson.css — Single-lesson page (video + sidebar)
   Loaded AFTER catalog.css. Reuses .ex-* tokens / hero / reveals.
   The "Discover Other Courses" grid reuses .co-mcard from course.css.
   To use it without course.css, lesson.css redeclares those styles
   below (kept identical so behavior matches).
================================================================ */

#explore-page .ex-reveal-l     { opacity: 0; transform: translateX(-40px); will-change: transform, opacity; }
#explore-page .ex-reveal-r     { opacity: 0; transform: translateX( 40px); will-change: transform, opacity; }
#explore-page .ex-reveal-scale { opacity: 0; transform: scale(.94);       will-change: transform, opacity; }
.no-gsap #explore-page .ex-reveal-l,
.no-gsap #explore-page .ex-reveal-r,
.no-gsap #explore-page .ex-reveal-scale { opacity: 1; transform: none; }

/* ============================================================
   HERO — compact (breadcrumb only)
============================================================ */
#explore-page.explore-lesson .le-hero { padding: 28px 0 30px; }
#explore-page.explore-lesson .ex-breadcrumb { margin: 0; }

/* Mobile "back" link — hidden by default, shown on small screens */
#explore-page.explore-lesson .ex-breadcrumb .ex-breadcrumb-back { display: none; }
#explore-page.explore-lesson .ex-breadcrumb .ex-breadcrumb-back i { margin-right: 6px; }

/* ============================================================
   BODY
============================================================ */
#explore-page.explore-lesson .le-body {
  padding: 50px 0 30px;
}

/* Video placeholder */
#explore-page.explore-lesson .le-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #d8dde4;
  border-radius: 16px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--ex-line);
}
#explore-page.explore-lesson .le-video-badge {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 4;
  background: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(11, 17, 23, 0.08);
}
#explore-page.explore-lesson .le-video-label { color: #5b6577; font-weight: 600; }
#explore-page.explore-lesson .le-video:has(.le-video-player) .le-video-label {
  display: none;
}
#explore-page.explore-lesson .le-video-player {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}
#explore-page.explore-lesson .le-video-player > div {
  width: 100%;
  height: 100%;
}
#explore-page.explore-lesson .le-video-player iframe {
  pointer-events: auto !important;
}

/* ============================================================
   INLINE LESSON CTA — rendered inside .le-video when no video
============================================================ */
#explore-page.explore-lesson .le-video:has(.le-video-cta) {
  aspect-ratio: auto;
  background: #fff;
  display: block;
  border: 1px solid var(--ex-line);
}
#explore-page.explore-lesson .le-video-cta {
  width: 100%;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  text-align: left;
}
#explore-page.explore-lesson .le-video-cta-head {
  background:
    linear-gradient(180deg, rgba(106,46,255,0.18) 0%, rgba(106,46,255,0) 35%),
    radial-gradient(120% 80% at 50% 0%, rgba(255,255,255,0.06), rgba(0,0,0,0) 60%),
    #1E3756;
  color: #fff;
  padding: 28px 30px 26px;
  text-align: center;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(180deg, #1E3756 0%, #1E3756 100%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
}
#explore-page.explore-lesson .le-video-cta-title {
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: .2px;
  color: #fff;
}
#explore-page.explore-lesson .le-video-cta-sub {
  margin: 0;
  font-size: .95rem;
  line-height: 1.5;
  color: #e6ecf5;
  opacity: .95;
}
#explore-page.explore-lesson .le-video-cta-body { padding: 24px 28px 26px; }
#explore-page.explore-lesson .le-video-cta-form label {
  display: block;
  font-weight: 600;
  font-size: .95rem;
  color: #0b1117;
  margin: 0 0 6px;
}
#explore-page.explore-lesson .le-video-cta-req { color: #e0445a; margin-left: 2px; }
#explore-page.explore-lesson .le-video-cta-form .form-control {
  width: 100%;
  background: #f3f5f8;
  border: 1px solid #e3e7ee;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  color: #0b1117;
  transition: border-color .2s ease, box-shadow .2s ease;
}
#explore-page.explore-lesson .le-video-cta-form .form-control:focus {
  outline: none;
  border-color: #6a2eff;
  box-shadow: 0 0 0 3px rgba(106,46,255,0.18);
}
#explore-page.explore-lesson .le-video-cta-submit {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 14px 20px;
  margin-top: 4px;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  background: linear-gradient(90deg, #4a36d6 0%, #6a2eff 40%, #c0316a 100%);
  transition: filter .2s ease, transform .15s ease;
}
#explore-page.explore-lesson .le-video-cta-submit:hover { filter: brightness(1.05); }
#explore-page.explore-lesson .le-video-cta-submit:active { transform: translateY(1px); }

/* Tabs */
#explore-page.explore-lesson .le-tabs {
  display: flex; gap: 28px;
  margin: 26px 0 18px;
  border-bottom: 1px solid var(--ex-line);
}
#explore-page.explore-lesson .le-tab {
  background: none; border: 0;
  padding: 12px 4px;
  color: var(--ex-muted);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  position: relative;
  transition: color .2s ease;
}
#explore-page.explore-lesson .le-tab:hover { color: var(--ex-ink); }
#explore-page.explore-lesson .le-tab.is-active { color: var(--ex-teal); }
#explore-page.explore-lesson .le-tab.is-active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: var(--ex-teal);
  border-radius: 3px 3px 0 0;
}

/* Tab panes */
#explore-page.explore-lesson .le-tabpane { padding-top: 8px; }
#explore-page.explore-lesson .le-tabpane:not(.is-active) { display: none; }
#explore-page.explore-lesson .le-title {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 800;
  color: var(--ex-ink);
  margin: 0 0 8px;
}
#explore-page.explore-lesson .le-meta {
  color: var(--ex-muted);
  font-size: .95rem;
  margin: 0 0 18px;
}
#explore-page.explore-lesson .le-text {
  color: var(--ex-ink);
  line-height: 1.7;
  margin: 0 0 18px;
}
#explore-page.explore-lesson .le-subtitle {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ex-ink);
  margin: 22px 0 10px;
}
#explore-page.explore-lesson .le-list {
  padding-left: 1.1rem;
  color: var(--ex-ink);
  line-height: 1.7;
}
#explore-page.explore-lesson .le-list li { margin-bottom: 4px; }

#explore-page.explore-lesson .le-transcript p {
  color: var(--ex-ink);
  line-height: 1.7;
  margin: 0 0 22px;
}

#explore-page.explore-lesson .le-transcript-locked {
  position: relative;
  min-height: 260px;
  overflow: hidden;
}

#explore-page.explore-lesson .le-transcript-preview {
  max-width: 100%;
}

#explore-page.explore-lesson .le-transcript-locked::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 74%;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.88) 22%, #fff 58%);
  pointer-events: none;
}

#explore-page.explore-lesson .le-transcript-lock {
  position: absolute;
  left: 50%;
  top: 58%;
  z-index: 2;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #fff;
  background: #d9dadd;
  font-size: 30px;
  box-shadow: 0 10px 28px rgba(11, 17, 23, .08);
}

.le-transcript-seo-source {
  display: none !important;
}

/* ============================================================
   SIDEBAR
============================================================ */
#explore-page.explore-lesson .le-side-sticky {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 20px;
}
#explore-page.explore-lesson .le-side-card {
  background: #fff;
  border: 1px solid var(--ex-line);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 6px 18px rgba(11, 17, 23, 0.04);
}
#explore-page.explore-lesson .le-side-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ex-line);
  margin-bottom: 8px;
}
#explore-page.explore-lesson .le-side-head h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ex-ink);
}
#explore-page.explore-lesson .le-side-meta { color: var(--ex-muted); font-size: .85rem; }

#explore-page.explore-lesson .le-side-list { list-style: none; padding: 0; margin: 6px 0 0; }
#explore-page.explore-lesson .le-side-list li {
  display: grid;
  grid-template-columns: 28px 1fr 16px;
  align-items: center;
  gap: 12px;
  padding: 10px 6px;
  border-radius: 10px;
  transition: background .2s ease;
}
#explore-page.explore-lesson .le-side-list li:hover { background: var(--ex-soft); }
#explore-page.explore-lesson .le-side-list li .n {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: #eef1f6;
  color: var(--ex-muted);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
}
#explore-page.explore-lesson .le-side-list li.is-active { background: rgba(63, 176, 202, 0.08); }
#explore-page.explore-lesson .le-side-list li.is-active .n { background: var(--ex-teal); color: #fff; }
#explore-page.explore-lesson .le-side-list li.is-active a { color: var(--ex-teal); }
#explore-page.explore-lesson .le-side-list li a {
  color: var(--ex-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.35;
}
#explore-page.explore-lesson .le-side-list li i {
  color: var(--ex-muted);
  font-size: .75rem;
}
#explore-page.explore-lesson .le-side-list .le-side-chev {
  color: var(--ex-muted);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

/* Prev / Next */
#explore-page.explore-lesson .le-side-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--ex-line);
}
#explore-page.explore-lesson .le-side-prev,
#explore-page.explore-lesson .le-side-next {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--ex-teal);
  font-weight: 600;
  text-decoration: none;
  font-size: .93rem;
  transition: gap .25s ease, color .2s ease;
}
#explore-page.explore-lesson .le-side-prev:hover,
#explore-page.explore-lesson .le-side-next:hover { gap: .8rem; color: var(--ex-teal-dark); }
#explore-page.explore-lesson .le-side-prev.is-disabled,
#explore-page.explore-lesson .le-side-next.is-disabled {
  color: var(--ex-muted);
  pointer-events: none;
  opacity: .55;
}

/* Supplier promo card */
#explore-page.explore-lesson .le-promo-card {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--ex-line);
  box-shadow: 0 12px 28px rgba(11, 17, 23, 0.10);
}
#explore-page.explore-lesson .le-promo-card *{
  color: #fff !important;
}
#explore-page.explore-lesson .le-promo-top {
  background: var(--ex-yellow);
  color: #1f2233;
  padding: 12px 18px;
  text-align: center;
}
#explore-page.explore-lesson .le-promo-eyebrow { font-weight: 600; font-size: 16px; }

#explore-page.explore-lesson .le-promo-bg {
  position: relative;
  padding: 30px 0px;
  background-color: #143a55;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
#explore-page.explore-lesson .le-promo-bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 58, 85, 0.55) 0%, rgba(20, 58, 85, 0.85) 100%);
}
#explore-page.explore-lesson .le-promo-bg > * { position: relative; z-index: 1; }
#explore-page.explore-lesson .le-promo-tag {
  display: inline-block;
  color: var(--ex-yellow);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .14em;
  margin-bottom: 8px;
  margin-top: 20px;
}
#explore-page.explore-lesson .le-promo-bg h3 {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
  padding: 0px 30px;
}
#explore-page.explore-lesson .le-promo-body {
  background: var(--ex-teal);
  color: #fff;
  padding: 22px 22px 24px;
  text-align: center;
}
#explore-page.explore-lesson .le-promo-body p {
  color: #eaf6fa;
  line-height: 1.55;
  margin: 0 0 16px;
  font-size: 16px;
}
#explore-page.explore-lesson .le-promo-cta {
  display: block;
  padding: 11px 22px;
  background: var(--ex-yellow);
  color: #1f2233;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: transform .25s ease, filter .2s ease;
}
#explore-page.explore-lesson .le-promo-cta:hover { transform: translateY(-2px); filter: brightness(1.04); }

/* ============================================================
   DISCOVER OTHER COURSES  (mirror of course.css co-mcard so this
   page works whether or not course.css is loaded)
============================================================ */
#explore-page.explore-lesson .co-more { padding: 60px 0 80px; }
#explore-page.explore-lesson .co-more-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ex-ink);
  margin: 0 0 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ex-line);
}
#explore-page.explore-lesson .co-mcard {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--ex-line);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  transition: transform .35s ease, box-shadow .35s ease;
}
#explore-page.explore-lesson .co-mcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(11, 17, 23, 0.10);
}
#explore-page.explore-lesson .co-mcard-thumb {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #eef1f6;
  border-bottom: 4px solid var(--ex-teal);
}
#explore-page.explore-lesson .co-mcard-thumb:has(.co-mcard-badge.ex-tx-blue) { border-bottom-color: var(--ex-blue); }
#explore-page.explore-lesson .co-mcard-thumb:has(.co-mcard-badge.ex-tx-orange) { border-bottom-color: var(--ex-orange); }
#explore-page.explore-lesson .co-mcard-thumb:has(.co-mcard-badge.ex-tx-pink) { border-bottom-color: var(--ex-pink); }
#explore-page.explore-lesson .co-mcard-thumb:has(.co-mcard-badge.ex-tx-green) { border-bottom-color: var(--ex-green); }
#explore-page.explore-lesson .co-mcard-thumb:has(.co-mcard-badge.ex-tx-violet) { border-bottom-color: var(--ex-violet); }
#explore-page.explore-lesson .co-mcard-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .6s ease;
}
#explore-page.explore-lesson .co-mcard:hover .co-mcard-thumb img { transform: scale(1.06); }
#explore-page.explore-lesson .co-mcard-badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 1;
  background: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(11, 17, 23, 0.10);
}
#explore-page.explore-lesson .co-mcard-body {
  padding: 20px 22px 22px;
  display: flex; flex-direction: column;
  flex: 1; gap: .5rem;
}
#explore-page.explore-lesson .co-mcard-body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ex-ink);
  margin: 0 0 4px;
}
#explore-page.explore-lesson .co-mcard-body h3 a {
  color: inherit;
  text-decoration: none;
}
#explore-page.explore-lesson .co-mcard-body h3 a:hover {
  color: var(--ex-teal);
}
#explore-page.explore-lesson .co-mcard-body p {
  color: var(--ex-muted);
  line-height: 1.55;
  margin: 0 0 8px;
}
#explore-page.explore-lesson .co-mcard-meta {
  display: flex; gap: 18px;
  color: var(--ex-muted);
  font-size: .9rem;
  margin-top: auto;
}
#explore-page.explore-lesson .co-mcard-meta i { margin-right: .45rem; }
#explore-page.explore-lesson .co-mcard-cta {
  display: block;
  text-align: center;
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--ex-teal);
  color: #fff;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}
#explore-page.explore-lesson .co-mcard-cta:hover {
  background: var(--ex-teal-dark);
  transform: translateY(-1px);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 991.98px) {
  #explore-page.explore-lesson .le-side-sticky { position: static; }
}
@media (max-width: 767.98px) {
  #explore-page.explore-lesson .ex-breadcrumb .ex-breadcrumb-full { display: none; }
  #explore-page.explore-lesson .ex-breadcrumb .ex-breadcrumb-back {
    display: inline-flex;
    align-items: center;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    opacity: .9;
  }
  #explore-page.explore-lesson .ex-breadcrumb .ex-breadcrumb-back:hover { opacity: 1; }
}
@media (max-width: 575.98px) {
  #explore-page.explore-lesson .le-hero { padding: 22px 0 24px; }
  #explore-page.explore-lesson .le-tabs { gap: 18px; }
}