.page-shell {
  width: clamp(320px, 92%, 1180px);
  margin-left: auto;
  margin-right: auto;
}

.page-main {
  display: block;
}


.page-main > section:nth-child(odd) {
  padding: clamp(2rem, 1.2rem + 3vw, 3rem) clamp(1rem, 0.6rem + 1.6vw, 1.5rem) clamp(3.4rem, 2rem + 5vw, 5rem);
}

.page-main > section:nth-child(even) {
  padding: clamp(3.4rem, 2rem + 5vw, 5rem) clamp(1rem, 0.6rem + 1.6vw, 1.5rem) clamp(2rem, 1.2rem + 3vw, 3rem);
}


.area-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1.25rem, 0.8rem + 1.7vw, 2rem);
}

.area-heading {
  margin-bottom: clamp(0.5rem, 0.4rem + 0.4vw, 0.85rem);
}

.area-intro {
  max-width: 62ch;
  color: var(--color-ink-soft);
  margin-bottom: clamp(1.6rem, 1rem + 2.2vw, 2.6rem);
}


.content-inset {
  padding-left: 10%;
  padding-right: 5%;
}

.split-stage {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(300px, 1.05fr);
  gap: clamp(1.5rem, 1rem + 2.4vw, 3rem);
  align-items: start;
}

.reading-column {
  max-width: 74ch;
}

.reading-column p {
  margin-bottom: clamp(0.9rem, 0.75rem + 0.5vw, 1.2rem);
}

.reading-column h2 {
  margin-top: clamp(1.6rem, 1.1rem + 2vw, 2.4rem);
  margin-bottom: clamp(0.5rem, 0.4rem + 0.4vw, 0.8rem);
}

.reading-column h3 {
  margin-top: clamp(1.2rem, 0.9rem + 1.2vw, 1.7rem);
  margin-bottom: clamp(0.35rem, 0.3rem + 0.3vw, 0.6rem);
}

.plain-list {
  display: flex;
  flex-direction: column;
  gap: clamp(0.4rem, 0.35rem + 0.2vw, 0.6rem);
  margin-bottom: clamp(0.9rem, 0.75rem + 0.5vw, 1.2rem);
}

.plain-list li {
  padding-left: 1.35rem;
  position: relative;
  color: var(--color-ink-soft);
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--color-frost);
  transform: rotate(45deg);
}

@media (max-width: 900px) {
  .split-stage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content-inset {
    padding-left: 0;
    padding-right: 0;
  }
}