/* ── Article prose ── */
.prose {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.prose p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 1.25rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ── Content sections ── */
.content-section {
  padding: 4rem 0;
}

/* ── Pull quote ── */
.pull-quote {
  border: none;
  position: relative;
  padding: 2.5rem 0 2.5rem 2rem;
  margin: 3rem 0;
  border-left: 2px solid var(--cyan-muted);
}

.pull-quote .quote-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--cyan-muted);
  opacity: 0.5;
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  line-height: 1;
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-style: italic;
  color: var(--text-bright);
  line-height: 1.4;
  max-width: 560px;
  padding-left: 2rem;
}

/* ── Comparison grid ── */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2.5rem;
  margin: 2.5rem 0;
}

.comparison-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan-muted);
  margin-bottom: 1.25rem;
}

.comparison-col ul,
.comparison-col {
  list-style: none;
}

.comparison-col li {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 0.4rem 0;
  font-weight: 300;
}

.comparison-divider {
  width: 1px;
  background: var(--border);
}

/* ── Principle cards ── */
.principle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2rem 2.5rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s;
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-muted), var(--amber-muted), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.principle-card:hover {
  border-color: var(--border-hover);
}

.principle-card:hover::before {
  opacity: 1;
}

.principle-number {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--cyan-muted);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.75rem;
}

.principle-card h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.principle-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: 300;
  max-width: 600px;
}

/* ── Next link ── */
.next-link-group {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2rem 2.5rem;
  transition: border-color 0.4s;
}

.next-link-group:hover {
  border-color: var(--border-hover);
}

.next-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.75rem;
}

.next-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-bright);
  text-decoration: none;
  transition: color 0.3s;
}

.next-link:hover {
  color: var(--cyan-mid);
}

.next-arrow {
  transition: transform 0.3s;
  display: inline-block;
}

.next-link:hover .next-arrow {
  transform: translateX(4px);
}

.next-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-top: 0.5rem;
  max-width: 500px;
  line-height: 1.6;
}

/* ── CTA / Back ── */
.cta-section {
  padding: 2rem 0;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.back-link:hover {
  color: var(--text-muted);
}

.back-arrow {
  transition: transform 0.3s;
  display: inline-block;
}

.back-link:hover .back-arrow {
  transform: translateX(-4px);
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
  }

  .comparison-divider {
    width: 100%;
    height: 1px;
  }

  .pull-quote p {
    font-size: 1.3rem;
    padding-left: 1rem;
  }

  .principle-card {
    padding: 1.5rem;
  }

  .next-link {
    font-size: 1.2rem;
  }

  .next-link-group {
    padding: 1.5rem;
  }
}