/* ============================================
   Details pages — course-details / guide-*-details
   ============================================ */
.details-container {
  max-width: 1000px;
  margin: 40px auto 80px;
  padding: 0 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-weight: 600;
  font-size: 0.94rem;
  margin-bottom: 24px;
  transition: color 0.15s ease;
}
.back-link:hover {
  color: var(--teal-dark);
}

.details-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
  border: 1px solid var(--border-soft);
  align-items: start;
}

.details-image-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(6, 29, 51, 0.12);
}

.details-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
}

.details-badge {
  display: inline-block;
  background: rgba(233, 78, 60, 0.1);
  color: var(--orange);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.details-badge.free {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.details-intro {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 24px;
}

/* Feature list — default "guide" style: gap-separated, no dividers */
.details-features {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.details-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--navy-mid);
}
.details-features svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.details-cta-block {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--border-soft);
}

.details-price {
  display: flex;
  flex-direction: column;
}
.details-price-amount {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
}
.details-price-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.rich-text {
  margin-top: 48px;
  border-top: 1px solid var(--border-soft);
  padding-top: 32px;
}
.rich-text h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.rich-text p {
  margin-bottom: 16px;
  font-size: 0.96rem;
  line-height: 1.6;
}

@media (max-width: 860px) {
  .details-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 28px;
  }
  .details-cta-block {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .details-cta-block .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .details-container { margin: 28px auto 56px; padding: 0 18px; }
  .back-link { margin-bottom: 18px; min-height: 44px; }
  .details-layout { gap: 26px; padding: 20px; border-radius: 18px; }
  .details-content h1 { font-size: clamp(1.75rem, 9vw, 2.2rem); }
  .details-cta-block { padding: 18px; }
  .rich-text { margin-top: 36px; padding-top: 26px; }
}