.lesson-landing-hero img {
  object-fit: cover;
  object-position: var(--hero-pos, center);
}

.lesson-anchor-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.lesson-photo-stack {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: 24px;
  align-items: stretch;
}

.lesson-photo-stack.reverse {
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
}

.lesson-photo-stack figure,
.lesson-illustration {
  position: relative;
  margin: 0;
  min-height: 560px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #fffaf0;
  box-shadow: 0 18px 46px rgba(17, 17, 17, .08);
}

.lesson-photo-stack figure img,
.lesson-illustration img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: var(--pos, center);
}

.lesson-illustration img {
  object-fit: contain;
  background: #fffaf0;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.principle-card {
  display: grid;
  gap: 12px;
  min-height: 230px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 0 16px 42px rgba(17, 17, 17, .08);
}

.principle-card h3 {
  max-width: 360px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 520;
  line-height: 1.05;
}

.principle-card p {
  color: var(--muted);
  font-size: 16px;
}

.formula-directory,
.capsule-directory {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.directory-card {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  gap: 18px;
  align-items: stretch;
  overflow: hidden;
  min-height: 260px;
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 0 16px 42px rgba(17, 17, 17, .08);
}

.directory-card figure {
  position: relative;
  margin: 0;
  min-height: 260px;
  background: #e8ded0;
}

.directory-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  object-position: var(--pos, center);
}

.directory-copy {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px 22px 22px 0;
}

.directory-copy h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 520;
  line-height: 1.04;
}

.directory-copy p,
.directory-copy li {
  color: var(--muted);
}

.directory-copy ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
}

.lesson-table {
  display: grid;
  gap: 12px;
}

.lesson-row {
  display: grid;
  grid-template-columns: minmax(160px, .42fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 0 14px 34px rgba(17, 17, 17, .07);
}

.lesson-row strong {
  font-size: 18px;
}

.lesson-row span {
  color: var(--muted);
}

.checklist-board {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 24px;
  align-items: start;
}

.checklist-list {
  display: grid;
  gap: 14px;
}

.checklist-item {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 0 16px 42px rgba(17, 17, 17, .08);
}

.checklist-item h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 520;
}

.checklist-item p {
  color: var(--muted);
}

.mini-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 0 16px 42px rgba(17, 17, 17, .08);
}

.matrix-cell {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(17, 17, 17, .12);
  border-radius: 8px;
  color: #3e3933;
  font-size: 13px;
  font-weight: 720;
  text-align: center;
}

.matrix-cell.is-active {
  background: #f0e4c9;
}

@media (max-width: 980px) {
  .lesson-photo-stack,
  .lesson-photo-stack.reverse,
  .principle-grid,
  .formula-directory,
  .capsule-directory,
  .checklist-board {
    grid-template-columns: 1fr;
  }

  .directory-card {
    grid-template-columns: 1fr;
  }

  .directory-copy {
    padding: 0 22px 24px;
  }

  .lesson-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .lesson-landing-hero,
  .lesson-landing-hero img {
    min-height: 430px;
    height: 430px;
  }

  .lesson-photo-stack figure,
  .lesson-photo-stack figure img,
  .lesson-illustration,
  .lesson-illustration img {
    min-height: 340px;
  }

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