/* ============================================================
   Tafiti E-Learning — Shared Stylesheet
   Colours: #00b2ed (brand blue), #0f172a (dark), #f0f4f8 (bg)
============================================================ */

:root {
  --el-blue:    #00b2ed;
  --el-dark:    #0f172a;
  --el-gray:    #64748b;
  --el-light:   #f0f4f8;
  --el-white:   #ffffff;
  --el-success: #22c55e;
  --el-warn:    #f59e0b;
  --el-radius:  0px;
  --el-shadow:  0 2px 16px rgba(0,0,0,0.08);
}

/* ── Page base ─────────────────────────────────────────────── */
.el-page { background: var(--el-light); min-height: 100vh; }

/* ── Hero banner ───────────────────────────────────────────── */
.el-hero {
  background: linear-gradient(135deg, var(--el-dark) 55%, #0369a1);
  color: #fff;
  padding: 110px 24px 72px;
  text-align: center;
}
.el-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 14px; line-height: 1.2; }
.el-hero p  { font-size: 1.1rem; max-width: 620px; margin: 0 auto 28px; opacity: .88; }
.el-badge {
  display: inline-block;
  background: var(--el-blue);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 0;
  margin-bottom: 18px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.el-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 0;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: opacity .18s, transform .18s;
}
.el-btn:hover { opacity: .88; transform: translateY(-1px); }
.el-btn-primary   { background: var(--el-blue);  color: #fff; }
.el-btn-dark      { background: var(--el-dark);  color: #fff; }
.el-btn-outline   { background: transparent; color: var(--el-blue); border: 2px solid var(--el-blue); }
.el-btn-white     { background: #fff; color: var(--el-dark); }
.el-btn-sm        { padding: 8px 18px; font-size: .85rem; }
.el-btn-full      { width: 100%; justify-content: center; }
.el-btn:disabled  { opacity: .5; cursor: not-allowed; transform: none; }

/* ── Section wrapper ───────────────────────────────────────── */
.el-wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.el-section { padding: 72px 0; }
.el-section-sm { padding: 48px 0; }

.el-section-title { text-align: center; margin-bottom: 48px; }
.el-section-title h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--el-dark); margin: 0 0 10px; }
.el-section-title p  { color: var(--el-gray); max-width: 560px; margin: 0 auto; line-height: 1.65; }

/* ── Course card ───────────────────────────────────────────── */
.el-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.el-course-card {
  background: var(--el-white);
  border-radius: var(--el-radius);
  box-shadow: var(--el-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
  color: inherit;
}
.el-course-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,178,237,.18); }

.el-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: #e2e8f0;
  overflow: hidden;
  position: relative;
}
.el-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.el-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, #0f172a, #00b2ed);
}
.el-card-level {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: .8px;
}
.el-card-free-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--el-success);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 0;
}

.el-card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.el-card-cat  { font-size: .75rem; font-weight: 700; color: var(--el-blue); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 8px; }
.el-card-title { font-size: 1rem; font-weight: 700; color: var(--el-dark); margin: 0 0 8px; line-height: 1.4; }
.el-card-desc  { font-size: .88rem; color: var(--el-gray); line-height: 1.55; flex: 1; margin: 0 0 14px; }

.el-card-meta {
  display: flex;
  gap: 14px;
  font-size: .8rem;
  color: var(--el-gray);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.el-card-meta span { display: flex; align-items: center; gap: 4px; }

.el-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #e2e8f0;
  padding-top: 12px;
}
.el-price      { font-size: 1.1rem; font-weight: 800; color: var(--el-dark); }
.el-price-free { color: var(--el-success); }
.el-price-old  { font-size: .82rem; color: var(--el-gray); text-decoration: line-through; margin-left: 6px; }

/* ── Filter bar ────────────────────────────────────────────── */
.el-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.el-filter-btn {
  padding: 8px 18px;
  border-radius: 0;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: var(--el-gray);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
}
.el-filter-btn:hover, .el-filter-btn.active {
  border-color: var(--el-blue);
  background: var(--el-blue);
  color: #fff;
}
.el-search {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
.el-search input {
  flex: 1;
  padding: 11px 18px;
  border: 2px solid #e2e8f0;
  border-radius: 0;
  font-size: .95rem;
  outline: none;
  transition: border-color .18s;
}
.el-search input:focus { border-color: var(--el-blue); }

/* ── Course detail layout ──────────────────────────────────── */
.el-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: start;
}
@media (max-width: 860px) {
  .el-detail-layout { grid-template-columns: 1fr; }
  .el-enroll-card   { order: -1; }
}

.el-detail-hero {
  background: var(--el-dark);
  color: #fff;
  padding: 80px 24px 48px;
}
.el-detail-hero h1 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); margin: 0 0 12px; }
.el-detail-hero p  { opacity: .85; font-size: 1.05rem; max-width: 680px; }
.el-detail-meta { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 20px; font-size: .9rem; opacity: .8; }

/* ── Curriculum ────────────────────────────────────────────── */
.el-curriculum { background: #fff; border-radius: var(--el-radius); box-shadow: var(--el-shadow); overflow: hidden; margin-bottom: 28px; }
.el-curriculum-header { padding: 20px 24px; border-bottom: 1px solid #e2e8f0; }
.el-curriculum-header h3 { margin: 0; font-size: 1.1rem; color: var(--el-dark); }

.el-lesson-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-bottom: 1px solid #f1f5f9;
  cursor: pointer;
  transition: background .15s;
}
.el-lesson-row:last-child { border-bottom: none; }
.el-lesson-row:hover { background: #f8fafc; }
.el-lesson-row.locked { opacity: .55; cursor: default; }
.el-lesson-row.completed .el-lesson-num { background: var(--el-success); color: #fff; }

.el-lesson-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e2e8f0;
  color: var(--el-gray);
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.el-lesson-info { flex: 1; }
.el-lesson-title { font-size: .92rem; font-weight: 600; color: var(--el-dark); }
.el-lesson-dur   { font-size: .78rem; color: var(--el-gray); margin-top: 2px; }
.el-lesson-tag   { font-size: .72rem; padding: 2px 8px; border-radius: 0; font-weight: 700; }
.el-lesson-tag.free { background: #dcfce7; color: #16a34a; }
.el-lesson-tag.locked { background: #f1f5f9; color: var(--el-gray); }

/* ── Enroll card ───────────────────────────────────────────── */
.el-enroll-card {
  background: #fff;
  border-radius: var(--el-radius);
  box-shadow: 0 4px 24px rgba(0,0,0,.12);
  overflow: hidden;
  position: sticky;
  top: 90px;
}
.el-enroll-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: #e2e8f0; }
.el-enroll-body  { padding: 24px; }
.el-enroll-price { font-size: 2rem; font-weight: 800; color: var(--el-dark); margin-bottom: 4px; }
.el-enroll-price.free { color: var(--el-success); }
.el-enroll-features { list-style: none; padding: 0; margin: 16px 0 20px; }
.el-enroll-features li { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--el-gray); padding: 6px 0; }
.el-enroll-features li::before { content: "✓"; color: var(--el-success); font-weight: 700; font-size: 1rem; }

/* ── Video player ──────────────────────────────────────────── */
.el-player-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  height: calc(100vh - 68px);
  overflow: hidden;
}
@media (max-width: 900px) {
  .el-player-layout { grid-template-columns: 1fr; height: auto; overflow: visible; }
  .el-sidebar       { height: auto; max-height: 60vh; }
}

.el-player-main { background: #000; display: flex; flex-direction: column; overflow: hidden; }
.el-video-wrap  { flex: 1; position: relative; background: #000; min-height: 0; }
.el-video-wrap video, .el-video-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}
.el-player-info { background: #fff; padding: 18px 24px; border-top: 1px solid #e2e8f0; }
.el-player-info h2 { font-size: 1.1rem; margin: 0 0 6px; color: var(--el-dark); }
.el-player-actions { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }

.el-sidebar { background: #fff; border-left: 1px solid #e2e8f0; overflow-y: auto; display: flex; flex-direction: column; }
.el-sidebar-header { padding: 16px 18px; border-bottom: 1px solid #e2e8f0; font-weight: 700; color: var(--el-dark); font-size: .95rem; position: sticky; top: 0; background: #fff; z-index: 1; }
.el-sidebar-lesson {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 13px 18px;
  border-bottom: 1px solid #f1f5f9;
  cursor: pointer;
  transition: background .15s;
  text-decoration: none;
  color: inherit;
}
.el-sidebar-lesson:hover   { background: #f8fafc; }
.el-sidebar-lesson.active  { background: #eff9ff; border-left: 3px solid var(--el-blue); }
.el-sidebar-lesson.done .el-sbl-num { background: var(--el-success); color: #fff; }
.el-sbl-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: #e2e8f0; color: var(--el-gray);
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.el-sbl-info { flex: 1; min-width: 0; }
.el-sbl-title { font-size: .85rem; font-weight: 600; color: var(--el-dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.el-sbl-dur   { font-size: .75rem; color: var(--el-gray); }

/* ── Progress bar ──────────────────────────────────────────── */
.el-progress-bar { height: 5px; background: #e2e8f0; border-radius: 0; overflow: hidden; margin: 8px 0; }
.el-progress-fill { height: 100%; background: var(--el-blue); border-radius: 0; transition: width .4s; }

/* ── Student dashboard ─────────────────────────────────────── */
.el-dash-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  min-height: calc(100vh - 68px);
}
@media (max-width: 768px) { .el-dash-layout { grid-template-columns: 1fr; } }

.el-dash-nav { background: #fff; border-radius: var(--el-radius); box-shadow: var(--el-shadow); padding: 24px 0; height: fit-content; position: sticky; top: 88px; }
.el-dash-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; cursor: pointer;
  font-size: .92rem; font-weight: 600; color: var(--el-gray);
  transition: all .15s; border-left: 3px solid transparent;
  text-decoration: none;
}
.el-dash-nav-item:hover  { background: #f8fafc; color: var(--el-dark); }
.el-dash-nav-item.active { background: #eff9ff; color: var(--el-blue); border-left-color: var(--el-blue); }

.el-dash-content { min-width: 0; }
.el-dash-panel { display: none; }
.el-dash-panel.active { display: block; }

.el-stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; margin-bottom: 32px; }
.el-stat-card { background: #fff; border-radius: var(--el-radius); padding: 20px; box-shadow: var(--el-shadow); text-align: center; }
.el-stat-num  { font-size: 2rem; font-weight: 800; color: var(--el-blue); }
.el-stat-label{ font-size: .82rem; color: var(--el-gray); margin-top: 4px; }

.el-enrolled-card {
  background: #fff;
  border-radius: var(--el-radius);
  box-shadow: var(--el-shadow);
  overflow: hidden;
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s;
}
.el-enrolled-card:hover { box-shadow: 0 6px 24px rgba(0,178,237,.15); }
.el-enrolled-thumb { width: 130px; flex-shrink: 0; }
.el-enrolled-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.el-enrolled-body { flex: 1; padding: 16px 20px; display: flex; flex-direction: column; justify-content: space-between; }
.el-enrolled-title { font-size: .98rem; font-weight: 700; color: var(--el-dark); margin: 0 0 6px; }
.el-enrolled-role  { font-size: .82rem; color: var(--el-gray); }
.el-enrolled-prog  { font-size: .8rem; color: var(--el-blue); font-weight: 600; margin-top: 4px; }

/* ── Certificate ───────────────────────────────────────────── */
.el-cert-wrap { max-width: 820px; margin: 40px auto; padding: 0 20px 60px; }
.el-cert-card {
  background: #fff;
  border: 8px solid var(--el-dark);
  border-radius: 4px;
  padding: 60px;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 32px rgba(0,0,0,.12);
}
.el-cert-card::before, .el-cert-card::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 2px solid var(--el-blue);
  border-radius: 2px;
  pointer-events: none;
}
.el-cert-card::after { inset: 16px; border-color: #e2e8f0; }
.el-cert-logo   { height: 60px; margin-bottom: 24px; }
.el-cert-title  { font-size: .9rem; letter-spacing: 3px; text-transform: uppercase; color: var(--el-gray); margin-bottom: 8px; }
.el-cert-name   { font-size: 2.4rem; font-weight: 800; color: var(--el-dark); margin: 12px 0; }
.el-cert-course { font-size: 1.2rem; color: var(--el-blue); font-weight: 700; margin: 12px 0 24px; }
.el-cert-body   { color: var(--el-gray); font-size: .95rem; line-height: 1.7; max-width: 500px; margin: 0 auto 32px; }
.el-cert-footer { display: flex; justify-content: space-around; margin-top: 32px; gap: 20px; flex-wrap: wrap; }
.el-cert-sig    { text-align: center; }
.el-cert-sig-line { width: 140px; border-top: 2px solid var(--el-dark); margin: 0 auto 6px; }
.el-cert-sig p  { font-size: .82rem; color: var(--el-gray); margin: 0; }
.el-cert-num    { font-size: .75rem; color: var(--el-gray); margin-top: 24px; }

/* ── Admin course manager ──────────────────────────────────── */
.el-admin-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .el-admin-layout { grid-template-columns: 1fr; } }

.el-admin-form { background: #fff; border-radius: var(--el-radius); box-shadow: var(--el-shadow); padding: 28px; }
.el-admin-form h3 { margin: 0 0 20px; color: var(--el-dark); font-size: 1.1rem; }
.el-form-group { margin-bottom: 16px; }
.el-form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--el-dark); margin-bottom: 6px; }
.el-form-group input,
.el-form-group textarea,
.el-form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: .92rem;
  outline: none;
  transition: border-color .18s;
  box-sizing: border-box;
  font-family: inherit;
}
.el-form-group input:focus,
.el-form-group textarea:focus,
.el-form-group select:focus { border-color: var(--el-blue); }
.el-form-group textarea { resize: vertical; min-height: 90px; }
.el-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.el-lesson-builder { border: 2px dashed #e2e8f0; border-radius: 8px; padding: 16px; margin-bottom: 12px; }
.el-lesson-builder h4 { margin: 0 0 12px; font-size: .9rem; color: var(--el-dark); }

.el-table { width: 100%; border-collapse: collapse; }
.el-table th { background: #f8fafc; padding: 12px 16px; text-align: left; font-size: .82rem; font-weight: 700; color: var(--el-gray); text-transform: uppercase; letter-spacing: .6px; }
.el-table td { padding: 14px 16px; border-bottom: 1px solid #f1f5f9; font-size: .9rem; color: var(--el-dark); vertical-align: middle; }
.el-table tr:last-child td { border-bottom: none; }
.el-table tr:hover td { background: #f8fafc; }

/* ── Toast ─────────────────────────────────────────────────── */
.el-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--el-dark);
  color: #fff;
  padding: 12px 28px;
  border-radius: 0;
  font-size: .9rem;
  font-weight: 600;
  z-index: 9999;
  transition: transform .3s;
  pointer-events: none;
}
.el-toast.show { transform: translateX(-50%) translateY(0); }
.el-toast.success { background: var(--el-success); }
.el-toast.error   { background: #ef4444; }

/* ── Empty state ───────────────────────────────────────────── */
.el-empty { text-align: center; padding: 60px 20px; color: var(--el-gray); }
.el-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.el-empty h3   { color: var(--el-dark); margin: 0 0 8px; }
.el-empty p    { font-size: .92rem; }

/* ── Shimmer ───────────────────────────────────────────────── */
.el-shimmer { background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%); background-size: 200% 100%; animation: el-shimmer 1.4s infinite; border-radius: 0; }
@keyframes el-shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Modal ─────────────────────────────────────────────────── */
.el-modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 8000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.el-modal-overlay.open { display: flex; }
.el-modal {
  background: #fff;
  border-radius: var(--el-radius);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  position: relative;
  animation: el-modal-in .25s;
}
@keyframes el-modal-in { from{opacity:0;transform:scale(.95)} to{opacity:1;transform:scale(1)} }
.el-modal-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; font-size: 1.4rem;
  cursor: pointer; color: var(--el-gray); line-height: 1;
}
.el-modal h3 { margin: 0 0 20px; color: var(--el-dark); }

/* ── Responsive tweaks ─────────────────────────────────────── */
@media (max-width: 600px) {
  .el-course-grid { grid-template-columns: 1fr; }
  .el-cert-card   { padding: 32px 20px; }
  .el-cert-name   { font-size: 1.6rem; }
  .el-enrolled-card { flex-direction: column; }
  .el-enrolled-thumb { width: 100%; height: 140px; }
  .el-filters { gap: 8px; }
}

/* ═══════════════════════════════════════════════════════════
   COURSE DETAIL PAGE — flowing single-column design
═══════════════════════════════════════════════════════════ */

/* ── Hero: image fills the container, text overlaid ── */
.cd-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  background: #0f172a;
  color: #fff;
  overflow: hidden;
}

/* Background image — absolute, full-cover */
.cd-hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  z-index: 0;
}

/* Emoji placeholder when no thumbnail */
.cd-hero-bg-ph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10rem;
  background: linear-gradient(135deg, #0f172a 40%, #0369a1);
  z-index: 0;
}

/* Shimmer while loading — dark animated cover */
.cd-hero-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #0d1526 25%, #1a2740 50%, #0d1526 75%);
  background-size: 200% 100%;
  animation: el-shimmer 1.4s infinite;
  z-index: 1;
}

/* Gradient overlay: transparent top → dark bottom */
.cd-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,18,35,.1)  0%,
    rgba(10,18,35,.35) 30%,
    rgba(10,18,35,.78) 65%,
    rgba(10,18,35,.97) 100%
  );
  z-index: 2;
}

/* Content floats above everything */
.cd-hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: 100px 20px 40px;
}

.cd-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .83rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 28px;
}
.cd-breadcrumb a { color: rgba(255,255,255,.65); text-decoration: none; }
.cd-breadcrumb a:hover { color: #fff; }
.cd-breadcrumb span { color: rgba(255,255,255,.4); }
#cd-cat-label { color: rgba(255,255,255,.65); }

.cd-badges { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px; }
.cd-badge {
  font-size:.7rem; font-weight:800; letter-spacing:.8px;
  text-transform:uppercase; padding:4px 14px;
  background:var(--el-blue); color:#fff;
}
.cd-badge-level { background:rgba(255,255,255,.18); }

.cd-hero-title {
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.15;
  max-width: 760px;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.cd-hero-short-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.8);
  max-width: 620px;
  line-height: 1.65;
  margin: 0 0 18px;
  text-shadow: 0 1px 6px rgba(0,0,0,.3);
}
.cd-meta-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 22px;
}
.cd-meta-row span { display:flex; align-items:center; gap:5px; }

.cd-hero-cta-wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-bottom: 0;
}
.cd-hero-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}
.cd-hero-price.free { color: var(--el-success); }
.cd-hero-enroll-btn {
  background: #fff;
  color: var(--el-dark);
  border: none;
  padding: 13px 36px;
  font-size: .95rem;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .18s;
}
.cd-hero-enroll-btn:hover { opacity: .88; }
.cd-hero-enroll-btn:disabled { opacity: .5; cursor: not-allowed; }

/* Info strip */
.cd-strip-wrap { background: #0f172a; }
.cd-strip {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.1);
  border-left: 1px solid rgba(255,255,255,.1);
  max-width: 900px;
}
.cd-strip-cell {
  flex: 1;
  min-width: 160px;
  padding: 26px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #fff;
}
.cd-strip-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--el-blue);
  line-height: 1;
  margin-bottom: 6px;
}
.cd-strip-label {
  font-size: .68rem;
  color: rgba(255,255,255,.5);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Body */
.cd-body {
  background: var(--el-light);
  padding: 48px 0 0;
}
.cd-panel {
  background: #fff;
  box-shadow: var(--el-shadow);
  padding: 32px;
  margin-bottom: 20px;
  max-width: 900px;
}
.cd-panel-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--el-dark);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid #f1f5f9;
}
.cd-panel-hdr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid #f1f5f9;
}
.cd-lesson-badge {
  font-size: .75rem;
  font-weight: 700;
  color: var(--el-blue);
  background: #eff9ff;
  padding: 3px 10px;
}
.cd-desc-lead {
  font-size: .97rem;
  font-weight: 600;
  color: var(--el-dark);
  line-height: 1.65;
  margin: 0 0 14px;
}
.cd-desc-full {
  font-size: .9rem;
  color: var(--el-gray);
  line-height: 1.8;
  margin: 0;
}

/* What You Learn: 2-col checklist */
.cd-learn-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
}
.cd-learn-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: var(--el-gray);
  line-height: 1.55;
}
.cd-learn-list li::before {
  content: "✓";
  color: var(--el-success);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Instructor */
.cd-inst-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
}
.cd-inst-inner img { width:68px; height:68px; object-fit:cover; flex-shrink:0; }
.cd-inst-name { font-size:1rem; font-weight:800; color:var(--el-dark); }
.cd-inst-role { font-size:.83rem; color:var(--el-gray); margin-top:3px; }
.cd-inst-bio  { font-size:.88rem; color:var(--el-gray); line-height:1.7; margin:0; }

/* Enroll CTA */
.cd-cta {
  background: var(--el-dark);
  padding: 56px 24px;
}
.cd-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
  max-width: 900px;
}
.cd-cta-left { flex: 1; min-width: 220px; }
.cd-cta-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cd-cta-price.free { color: var(--el-success); }
.cd-cta-feats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}
.cd-cta-feats span::before { content: "✓  "; color: var(--el-success); font-weight: 800; }
.cd-cta-right {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  min-width: 220px;
}
.cd-enroll-main {
  background: var(--el-blue);
  color: #fff;
  border: none;
  padding: 18px 48px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .18s;
}
.cd-enroll-main:hover { opacity: .88; }
.cd-enroll-main:disabled { opacity: .5; cursor: not-allowed; }
.cd-enroll-note {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  margin: 0;
  text-align: center;
}

/* Responsive */
@media (max-width: 700px) {
  .cd-hero { min-height: 300px; }
  .cd-hero-title { font-size: 1.65rem; }
  .cd-strip-cell { min-width: 50%; }
  .cd-strip-cell:nth-child(even) { border-right: none; }
  .cd-learn-list { grid-template-columns: 1fr; }
  .cd-panel { padding: 22px 16px; }
  .cd-cta-inner { flex-direction: column; align-items: stretch; }
  .cd-hero-cta-wrap { flex-direction: column; align-items: flex-start; }
  .cd-hero-enroll-btn { width: 100%; text-align: center; }
  .cd-enroll-main { padding: 16px; }
}