/* Sciatica — hand-crafted teaching diagram */

/* ── Shared diagram panel ─────────────────────────────────── */

.teach-diagram {
  max-width: none;
  margin: 1.75rem 0 2.25rem;
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--cool-grey);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.teach-diagram figcaption {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 1rem;
  text-transform: none;
  letter-spacing: normal;
}

.article-prose .teach-diagram h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--navy);
  margin: 0 0 0.35rem;
  scroll-margin-top: 0;
}

.teach-diagram p,
.teach-diagram li {
  max-width: none;
}

.teach-diagram :focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.teach-diagram .figure-note {
  margin: 0.85rem 0 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-style: italic;
  color: var(--ink-soft);
  max-width: none;
}

/* ── Three traps cascade ──────────────────────────────────── */

.sci-traps {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.sci-traps__source {
  align-self: center;
  width: 100%;
  max-width: 16rem;
  padding: 0.55rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 2px solid var(--gold);
  text-align: center;
}

.sci-traps__source-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
}

.sci-traps__rule {
  display: block;
  width: 2px;
  height: 1.1rem;
  margin: 0.35rem auto;
  background: var(--gold);
  border-radius: 1px;
}

.sci-traps__cascade {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sci-traps__hose {
  display: none;
}

.sci-traps__traps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sci-traps__trap {
  padding: 0.7rem 0.85rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 2px solid var(--gold);
}

.sci-traps__trap p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.sci-traps__dest {
  align-self: center;
  width: 100%;
  max-width: 22rem;
  padding: 0.6rem 1rem;
  background: var(--navy);
  border-radius: var(--radius);
  border-bottom: 2px solid var(--gold);
  text-align: center;
}

.sci-traps__dest-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--gold);
  line-height: 1.35;
}

@media (min-width: 560px) {
  .sci-traps__cascade {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    gap: 0 0.75rem;
    align-items: stretch;
    margin: 0.15rem 0;
  }

  .sci-traps__hose {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 14rem;
  }

  .sci-traps__traps {
    gap: 0.65rem;
  }

  .sci-traps__rule--between-traps {
    display: none;
  }
}

/* ── Reduced motion ───────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .teach-diagram,
  .teach-diagram * {
    animation: none !important;
    transition: none !important;
  }
}