.sc-page {
  --sc-bg: #f5f7fa;
  --sc-surface: #ffffff;
  --sc-text: #1e293b;
  --sc-text-secondary: #64748b;
  --sc-text-tertiary: #94a3b8;
  --sc-accent: #0047ff;
  --sc-accent-light: #eef2ff;
  --sc-accent-subtle: rgba(0, 71, 255, 0.06);
  --sc-border: #e2e8f0;
  --sc-border-light: #f1f5f9;
  --sc-success: #10b981;
  --sc-warning-bg: #fef3c7;
  --sc-warning-text: #92400e;
  --sc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --sc-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --sc-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.08);
  --sc-radius: 12px;
  --sc-radius-sm: 8px;
  --sc-radius-lg: 16px;
  --sc-font: "Plus Jakarta Sans", "Inter", sans-serif;
  --sc-nav-height: 80px;
}

.sc-page {
  font-family: var(--sc-font);
  color: var(--sc-text);
  background: var(--sc-bg);
  line-height: 1.6;
  padding-top: var(--sc-nav-height);
  position: relative;
  overflow-x: hidden;
}

.sc-hero-inner,
.sc-body-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sc-hero {
  position: relative;
  overflow: hidden;
}

.sc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 50%, #ffffff 100%);
}

.sc-hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.sc-hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
}

.sc-hero-shape--1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 71, 255, 0.08) 0%, transparent 70%);
  top: -120px;
  right: -80px;
}

.sc-hero-shape--2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 71, 255, 0.05) 0%, transparent 70%);
  bottom: -60px;
  left: -40px;
}

.sc-hero-shape--3 {
  width: 180px;
  height: 180px;
  border: 1px solid rgba(0, 71, 255, 0.08);
  top: 50%;
  left: 60%;
  transform: translate(-50%, -50%);
}

.sc-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 48px;
}

.sc-hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--sc-text-tertiary);
}

.sc-breadcrumb a {
  color: var(--sc-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.sc-breadcrumb a:hover {
  color: #0036cc;
}

.sc-hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--sc-text);
  letter-spacing: -0.02em;
  margin: 0;
}

.sc-hero-excerpt {
  font-size: 0.95rem;
  color: var(--sc-text-secondary);
  line-height: 1.7;
  margin: 0;
  max-width: 600px;
}

.sc-hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--sc-border);
}

.sc-meta-block {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sc-meta-avatar {
  width: 40px !important;
  height: 40px !important;
  border-radius: 50% !important;
  object-fit: cover;
  border: 2px solid var(--sc-surface);
  box-shadow: var(--sc-shadow-sm);
}

.sc-meta-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sc-meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--sc-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sc-meta-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sc-text);
}

.sc-stars {
  display: flex;
  gap: 2px;
  color: #f4b403;
  font-size: 0.95rem;
}

.sc-hero-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-thumb-frame {
  position: relative;
  border-radius: var(--sc-radius-lg);
  overflow: hidden;
  box-shadow: var(--sc-shadow-lg);
  background: var(--sc-surface);
}

.sc-thumb-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.sc-body {
  position: relative;
  z-index: 1;
  margin-top: -2px;
  overflow-x: hidden;
}

.sc-body-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 80px;
  align-items: start;
}

.sc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.sc-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sc-text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  transition: all 0.25s ease;
  box-shadow: var(--sc-shadow-sm);
}

.sc-toc-link i {
  font-size: 0.85rem;
  opacity: 0.7;
  transition: opacity 0.25s;
}

.sc-toc-link:hover,
.sc-toc-link.active {
  color: var(--sc-accent);
  border-color: var(--sc-accent);
  background: var(--sc-accent-light);
  box-shadow: 0 4px 12px rgba(0, 71, 255, 0.1);
}

.sc-toc-link:hover i,
.sc-toc-link.active i {
  opacity: 1;
}

.sc-section {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--sc-shadow-sm);
  transition: box-shadow 0.3s ease;
}

.sc-section:hover {
  box-shadow: var(--sc-shadow);
}

.sc-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sc-text);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--sc-border-light);
}

.sc-section-title i {
  font-size: 1.15rem;
  color: var(--sc-accent);
}

.sc-content {
  font-size: 0.93rem;
  color: var(--sc-text-secondary);
  line-height: 1.7;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.sc-content img,
.sc-content iframe,
.sc-content video,
.sc-content table,
.sc-content pre,
.sc-content figure,
.sc-content blockquote {
  max-width: 100% !important;
  height: auto;
}

.sc-content p {
  margin: 0 0 14px;
}

.sc-content p:last-child {
  margin-bottom: 0;
}

.sc-content ul {
  list-style: none;
  padding: 0;
  margin: 12px 0;
}

.sc-content li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.sc-content li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sc-accent);
  opacity: 0.5;
}

.sc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.sc-grid-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--sc-bg);
  border-radius: var(--sc-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--sc-text);
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.sc-grid-item:hover {
  border-color: var(--sc-accent);
  background: var(--sc-accent-light);
  transform: translateY(-2px);
}

.sc-grid-item i {
  font-size: 1.1rem;
  color: var(--sc-accent);
  flex-shrink: 0;
}

.sc-curriculum {
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-sm);
  overflow: hidden;
}

.sc-curr-section {
  border-bottom: 1px solid var(--sc-border-light);
}

.sc-curr-section:last-child {
  border-bottom: none;
}

.sc-curr-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.sc-curr-header:hover {
  background: var(--sc-bg);
}

.sc-curr-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--sc-bg);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.sc-curr-section.is-open .sc-curr-toggle {
  background: var(--sc-accent-light);
}

.sc-curr-toggle i {
  font-size: 0.85rem;
  color: var(--sc-text-tertiary);
  transition: transform 0.3s, color 0.3s;
}

.sc-curr-section.is-open .sc-curr-toggle i {
  transform: rotate(90deg);
  color: var(--sc-accent);
}

.sc-curr-title {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sc-text);
  margin: 0;
}

.sc-curr-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sc-text-tertiary);
  background: var(--sc-bg);
  border-radius: 100px;
  padding: 3px 10px;
  white-space: nowrap;
}

.sc-curr-body {
  display: none;
  padding: 0 20px 12px;
}

.sc-curr-section.is-open .sc-curr-body {
  display: block;
}

.sc-curr-items {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.sc-curr-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--sc-radius-sm);
  font-size: 0.9rem;
  color: var(--sc-text-secondary);
  transition: background 0.2s;
}

.sc-curr-item:hover {
  background: var(--sc-bg);
}

.sc-curr-item .ph-play-circle {
  color: var(--sc-accent);
  font-size: 1rem;
}

.sc-curr-item .ph-question {
  color: #f4b403;
  font-size: 1rem;
}

.sc-item-title {
  flex: 1;
}

.sc-item-lock {
  color: #d1d5db;
  font-size: 0.85rem;
}

.sc-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.sc-info-card {
  background: var(--sc-bg);
  border-radius: var(--sc-radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.sc-info-card:hover {
  border-color: var(--sc-accent);
  background: var(--sc-accent-light);
}

.sc-info-card i {
  font-size: 1.3rem;
  color: var(--sc-accent);
}

.sc-info-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sc-text-tertiary);
}

.sc-info-value {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--sc-text);
}

.sc-instructor {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.sc-instructor-avatar {
  width: 80px !important;
  height: 80px !important;
  border-radius: 50% !important;
  flex-shrink: 0;
  object-fit: cover;
  border: 3px solid var(--sc-surface);
  box-shadow: var(--sc-shadow);
}

.sc-instructor-info {
  flex: 1;
}

.sc-instructor-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--sc-text);
}

.sc-instructor-bio {
  font-size: 0.9rem;
  color: var(--sc-text-secondary);
  line-height: 1.65;
  margin: 0 0 12px;
}

.sc-instructor-meta {
  display: flex;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--sc-text-tertiary);
}

.sc-instructor-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sc-instructor-meta i {
  color: var(--sc-accent);
}

.sc-sidebar {
  position: sticky;
  top: 100px;
  z-index: 10;
}

.sc-sidebar-card {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  box-shadow: var(--sc-shadow);
  overflow: hidden;
}

.sc-sidebar-body {
  padding: 24px;
}

.sc-price-row {
  text-align: center;
  margin-bottom: 16px;
}

.sc-price-free {
  font-size: 2rem;
  font-weight: 800;
  color: var(--sc-success);
}

.sc-price-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--sc-text);
}

.sc-notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--sc-accent-light);
  border: 1px solid rgba(0, 71, 255, 0.1);
  border-radius: var(--sc-radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--sc-text-secondary);
  line-height: 1.5;
}

.sc-notice i {
  font-size: 1.15rem;
  color: var(--sc-accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.sc-notice p {
  margin: 0;
}

.sc-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px 24px;
  border-radius: var(--sc-radius-sm);
  font-size: 1rem;
  font-weight: 700;
  background: var(--sc-accent);
  color: #fff;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(0, 71, 255, 0.25);
}

.sc-cta:hover {
  background: #0036cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 71, 255, 0.35);
}

.sc-cta--free {
  background: var(--sc-success);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.sc-cta--free:hover {
  background: #059669;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
}

.sc-features {
  margin-top: 20px;
}

.sc-features-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sc-text-tertiary);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sc-border-light);
}

.sc-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sc-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--sc-border-light);
  font-size: 0.88rem;
  color: var(--sc-text-secondary);
}

.sc-features-list li:last-child {
  border-bottom: none;
}

.sc-features-list li i {
  font-size: 1rem;
  color: var(--sc-accent);
  width: 20px;
  text-align: center;
}

.sc-features-list li strong {
  color: var(--sc-text);
  margin-left: auto;
}

.sc-share {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--sc-border-light);
  text-align: center;
}

.sc-share-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sc-text-tertiary);
  margin-bottom: 12px;
}

.sc-share-icons {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.sc-share-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--sc-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sc-text-secondary);
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 1px solid var(--sc-border-light);
}

.sc-share-icon:hover {
  background: var(--sc-accent);
  color: #fff;
  border-color: var(--sc-accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 71, 255, 0.2);
}

@media (max-width: 1100px) {
  .sc-hero-inner {
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 32px;
  }

  .sc-hero-thumb {
    max-width: 500px;
    margin: 0 auto;
  }

  .sc-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-sidebar {
    position: static;
    margin: 0 auto;
  }

  .sc-hero-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .sc-hero-inner {
    grid-template-columns: 1fr;
    padding-top: 32px;
    padding-bottom: 24px;
    gap: 24px;
  }

  .sc-hero-title {
    font-size: 1.5rem;
  }

  .sc-hero-meta {
    gap: 16px;
  }

  .sc-body-inner {
    grid-template-columns: 1fr;
  }

  .sc-section {
    padding: 20px;
  }

  .sc-toc {
    gap: 6px;
  }

  .sc-toc-link {
    font-size: 0.8rem;
    padding: 6px 12px;
  }

  .sc-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-grid {
    grid-template-columns: 1fr;
  }

  .sc-instructor {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .sc-instructor-meta {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .sc-info-grid {
    grid-template-columns: 1fr;
  }

  .sc-hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ========================================================
   RESPONSIVE CORRECTIONS — Mobile & Tablet polish
   ======================================================== */

/* ── Hero decorative shapes: hide on mobile ── */
@media (max-width: 768px) {
  .sc-hero-shape--1,
  .sc-hero-shape--2,
  .sc-hero-shape--3 {
    display: none;
  }
}

/* ── Breadcrumb responsive ── */
@media (max-width: 768px) {
  .sc-breadcrumb {
    font-size: 0.75rem;
    flex-wrap: wrap;
    gap: 0.3rem;
  }
}

/* ── Hero excerpt ── */
@media (max-width: 768px) {
  .sc-hero-excerpt {
    max-width: 100%;
    font-size: 0.85rem;
  }
}

/* ── Hero thumbnail on mobile ── */
@media (max-width: 768px) {
  .sc-thumb-frame {
    border-radius: 12px;
  }
}

/* ── Section titles responsive ── */
@media (max-width: 768px) {
  .sc-section-title {
    font-size: 1.05rem;
    padding-bottom: 10px;
    margin-bottom: 16px;
  }
  .sc-section-title i {
    font-size: 1.1rem;
  }
}

/* ── Content text responsive ── */
@media (max-width: 768px) {
  .sc-content {
    font-size: 0.88rem;
  }
  .sc-content ul li {
    font-size: 0.88rem;
  }
}

/* ── Curriculum accordion responsive ── */
@media (max-width: 768px) {
  .sc-curr-header {
    padding: 12px 14px;
    gap: 8px;
  }
  .sc-curr-title {
    font-size: 0.85rem;
  }
  .sc-curr-count {
    font-size: 0.68rem;
    padding: 2px 8px;
  }
  .sc-curr-body {
    padding: 0 14px 10px;
  }
  .sc-curr-item {
    padding: 8px 10px;
    font-size: 0.82rem;
    gap: 8px;
  }
  .sc-curr-toggle {
    width: 20px;
    height: 20px;
  }
  .sc-curr-toggle i {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .sc-curr-header {
    padding: 10px 12px;
  }
  .sc-curr-title {
    font-size: 0.8rem;
  }
  .sc-curr-item {
    padding: 6px 8px;
    font-size: 0.78rem;
  }
}

/* ── Instructor responsive ── */
@media (max-width: 768px) {
  .sc-instructor-avatar {
    width: 64px !important;
    height: 64px !important;
  }
  .sc-instructor-name {
    font-size: 1rem;
  }
  .sc-instructor-bio {
    font-size: 0.82rem;
  }
  .sc-instructor-meta {
    font-size: 0.72rem;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ── Sidebar responsive ── */
@media (max-width: 768px) {
  .sc-sidebar-card {
    border-radius: 12px;
  }
  .sc-sidebar-body {
    padding: 18px;
  }
  .sc-price-free,
  .sc-price-value {
    font-size: 1.6rem;
  }
  .sc-cta {
    padding: 14px 20px;
    font-size: 0.9rem;
  }
  .sc-notice {
    padding: 12px 14px;
    font-size: 0.8rem;
  }
  .sc-features-list li {
    padding: 8px 0;
    font-size: 0.82rem;
  }
  .sc-share-icon {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }
}

/* ── Info grid cards mobile ── */
@media (max-width: 768px) {
  .sc-info-card {
    padding: 14px;
  }
}

/* ── Grid items (objectifs, prerequis) mobile ── */
@media (max-width: 768px) {
  .sc-grid-item {
    padding: 12px 14px;
    font-size: 0.85rem;
  }
}

/* ── 1100px: sidebar max-width reduction ── */
@media (max-width: 1100px) {
  .sc-sidebar {
    max-width: 400px;
  }
}

/* ── Prevent horizontal overflow ── */
.sc-main {
  overflow-x: hidden;
}

/* ── Sidebar full width on tablet/mobile ── */
@media (max-width: 768px) {
  .sc-sidebar {
    max-width: 100%;
  }
  .sc-hero-thumb {
    max-width: 100%;
  }
}

/* ── Hero section: fix shape overflow ── */
@media (max-width: 768px) {
  .sc-hero-shape--3 {
    display: none;
  }
}

/* ── Hero content full width on tablet ── */
@media (max-width: 1100px) {
  .sc-hero-content {
    max-width: 100%;
  }
}

/* ── Body spacing improvement on mobile ── */
@media (max-width: 768px) {
  .sc-body-inner {
    padding-left: 16px;
    padding-right: 16px;
    padding-top: 24px;
    padding-bottom: 48px;
    gap: 32px;
  }
  .sc-toc {
    margin-bottom: 24px;
    gap: 6px;
  }
  .sc-section {
    margin-bottom: 16px;
  }
}

@media (max-width: 480px) {
  .sc-body-inner {
    padding-left: 12px;
    padding-right: 12px;
    padding-top: 20px;
    padding-bottom: 32px;
    gap: 24px;
  }
  .sc-hero-inner {
    padding-left: 16px;
    padding-right: 16px;
  }
}