.asc-course-wrap {
  max-width: 980px;
  margin: 24px auto;
  padding: 24px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.asc-course-hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 18px;
  align-items: start;
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  color: #ffffff;
  margin-bottom: 20px;
}

.asc-course-hero h2 {
  margin: 6px 0 10px;
  font-size: 2rem;
  line-height: 1.15;
}

.asc-badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.asc-subtitle {
  margin: 0;
  font-size: 1rem;
  opacity: 0.95;
}

.asc-meta-grid {
  display: grid;
  gap: 10px;
}

.asc-meta-grid div {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 14px;
}

.asc-meta-grid strong,
.asc-meta-grid span {
  display: block;
}

.asc-meta-grid strong {
  font-size: 0.85rem;
  margin-bottom: 4px;
  opacity: 0.82;
}

.asc-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.asc-feature-card,
.asc-progress-box,
.asc-lesson {
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  background: #ffffff;
}

.asc-feature-card {
  padding: 18px;
}

.asc-feature-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.asc-feature-card p {
  margin: 0;
  color: #475569;
}

.asc-progress-box {
  padding: 18px;
  margin-bottom: 20px;
  background: #f8fafc;
}

.asc-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.asc-progress-bar {
  width: 100%;
  height: 12px;
  background: #dbeafe;
  border-radius: 999px;
  overflow: hidden;
}

.asc-progress-bar span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
  transition: width 0.25s ease;
}

.asc-course-body {
  display: grid;
  gap: 16px;
}

.asc-lesson {
  padding: 22px;
}

.asc-lesson h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.asc-lesson h4 {
  margin-bottom: 8px;
}

.asc-callout,
.asc-exercise {
  margin-top: 12px;
  padding: 14px;
  border-radius: 12px;
}

.asc-callout {
  background: #eff6ff;
  border-left: 4px solid #2563eb;
}

.asc-exercise {
  background: #f8fafc;
  border-left: 4px solid #0f172a;
}

.asc-lesson-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.95rem;
  background: #fff;
}

.asc-lesson.is-complete {
  border-color: #93c5fd;
  background: #f8fbff;
}

.asc-complete-banner {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #ecfeff;
  border: 1px solid #a5f3fc;
  color: #164e63;
  display: none;
}

.asc-complete-banner.is-visible {
  display: block;
}

@media (max-width: 700px) {
  .asc-course-wrap {
    padding: 14px;
  }

  .asc-course-hero,
  .asc-feature-grid {
    grid-template-columns: 1fr;
  }
}