.single-lesson {
  width: min(100% - clamp(28px, 4vw, 48px), 1040px);
  margin: clamp(32px, 5vw, 64px) auto;
}

.single-lesson .lesson-title {
  max-width: 19ch;
  margin-bottom: 12px;
  color: var(--acad-green);
  font-size: clamp(2.35rem, 5vw, 4.25rem);
  line-height: 1.04;
}

.single-lesson .lesson-meta {
  margin: 0 0 clamp(32px, 5vw, 52px);
  color: var(--acad-text);
  font-weight: 600;
}

.single-lesson .lesson-meta a {
  color: var(--acad-green);
  text-decoration-color: var(--acad-highlight);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.single-lesson .lesson-content {
  max-width: 78ch;
}

.lesson-related {
  margin-top: clamp(48px, 8vw, 84px);
  padding: clamp(26px, 5vw, 44px);
  border: 1px solid color-mix(in srgb, var(--acad-green) 11%, transparent);
  border-radius: var(--acad-radius-lg);
  background: color-mix(in srgb, var(--acad-cream) 82%, #fff);
  box-shadow: var(--acad-shadow-soft);
}

.lesson-related__header {
  max-width: 68ch;
  margin-bottom: 24px;
}

.lesson-related__eyebrow {
  margin: 0 0 7px;
  color: var(--acad-highlight);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lesson-related__header h2 {
  margin: 0;
  color: var(--acad-green);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.lesson-related__header > p:last-child {
  margin: 10px 0 0;
  color: var(--acad-text);
}

.lesson-related__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lesson-related__card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--acad-green) 12%, transparent);
  border-left: 5px solid var(--acad-highlight);
  border-radius: var(--acad-radius);
  color: inherit;
  background: #fff;
  box-shadow: 0 9px 24px rgba(7, 49, 46, 0.07);
  text-decoration: none;
  transition: box-shadow var(--acad-transition), transform var(--acad-transition);
}

.lesson-related__card h3 {
  margin: 0;
  color: var(--acad-green);
  font-size: 1.35rem;
}

.lesson-related__card p {
  margin: 12px 0 18px;
  color: var(--acad-text);
  line-height: 1.55;
}

.lesson-related__card > span {
  margin-top: auto;
  color: var(--acad-green);
  font-weight: 800;
}

@media (hover: hover) {
  .lesson-related__card:hover {
    box-shadow: var(--acad-shadow);
    transform: translateY(-3px);
  }
}

@media (max-width: 680px) {
  .lesson-related__grid {
    grid-template-columns: 1fr;
  }

  .lesson-related__card {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-related__card {
    transition: none;
  }
}