/* ============================================================
   AREAS — opener with chip contents, stacked area articles
   with recognition asides, overlap note, boundary panel
   ============================================================ */

/* ── Opener ──────────────────────────────────────────────── */
.areas-open {
  padding-block: clamp(2.5rem, 1.6rem + 3.4vw, 4.5rem) clamp(2rem, 1.4rem + 2vw, 3rem);
  background-color: var(--c-cream);
}

.areas-open__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  align-items: center;
}

.areas-open__text h1 { margin-block: 1rem 1.35rem; }

.areas-open__lede {
  max-width: 38rem;
  font-size: var(--t-md);
  line-height: var(--lh-relaxed);
  color: var(--c-text-2);
}

.areas-open__media .media {
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  background-color: var(--c-sand);
}

.areas-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-beige);
}

.areas-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--c-beige);
  border-radius: var(--r-pill);
  background-color: var(--c-ivory);
  font-size: var(--t-sm);
  color: var(--c-text);
  transition: border-color var(--d-fast), background-color var(--d-fast), color var(--d-fast);
}
.areas-toc a:hover {
  border-color: var(--c-sage);
  background-color: var(--c-sage-pale);
  color: var(--c-sage-deep);
}

.areas-toc__n {
  font-size: 0.7em;
  font-weight: 600;
  color: var(--c-sage);
  font-variant-numeric: tabular-nums;
}

/* ── Area articles ───────────────────────────────────────── */
.areas-stack { display: grid; gap: 0; }

.area {
  padding-block: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  border-top: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.area:first-child { border-top: none; padding-top: 0; }

.area__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.15rem;
  margin-bottom: 1.5rem;
}

.area__n {
  font-family: var(--font-display);
  font-size: var(--t-2xl);
  font-weight: 500;
  line-height: 1;
  color: var(--c-sage-light);
  font-variant-numeric: tabular-nums;
}

.area__title-wrap { flex: 1 1 20rem; }

.area__head h2 { font-size: var(--t-2xl); margin-bottom: 0.4rem; }

.area__lede {
  font-family: var(--font-display);
  font-size: var(--t-md);
  font-style: italic;
  line-height: var(--lh-snug);
  color: var(--c-sage-deep);
}

.area__tag {
  align-self: center;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--c-sage-light);
  border-radius: var(--r-pill);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-sage-deep);
  background-color: var(--c-sage-pale);
  white-space: nowrap;
}

.area__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(1.5rem, 1rem + 2.4vw, 3rem);
  align-items: start;
}

.area__body p {
  line-height: var(--lh-loose);
  color: var(--c-text-2);
  max-width: 44rem;
}

.area__more { margin-top: 1.15rem; font-size: var(--t-sm); }
.area__more .icon { vertical-align: -0.1em; }

.area__signs {
  padding: 1.35rem 1.5rem;
  background-color: var(--c-cream);
  border-radius: var(--r-md);
  border-left: 3px solid var(--c-sage-light);
}

.area__signs h3 {
  font-family: var(--font-body);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-sage-deep);
  margin-bottom: 0.85rem;
}

.area__signs ul { display: grid; gap: 0.65rem; }

.area__signs li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--t-sm);
  line-height: var(--lh-normal);
  color: var(--c-text-2);
}
.area__signs .icon { color: var(--c-sage); margin-top: 0.3em; flex: none; }

/* ── Overlap note ────────────────────────────────────────── */
.areas-note h2 { margin-bottom: 1.15rem; }
.areas-note p {
  line-height: var(--lh-loose);
  color: var(--c-text-2);
}
.areas-note p + p { margin-top: 1.05rem; }

/* ── Boundary panel ──────────────────────────────────────── */
.areas-boundary {
  padding: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  border: 1px solid var(--c-beige);
  border-radius: var(--r-md);
  background-color: var(--c-white);
  box-shadow: var(--sh-sm);
}

.areas-boundary h2 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--t-xl);
  margin-bottom: 0.9rem;
}
.areas-boundary h2 .icon { color: var(--c-sage); }

.areas-boundary > p {
  line-height: var(--lh-relaxed);
  color: var(--c-text-2);
}

.areas-boundary ul { display: grid; gap: 0.85rem; margin-block: 1.35rem; }

.areas-boundary li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--t-sm);
  line-height: var(--lh-relaxed);
  color: var(--c-text-2);
}
.areas-boundary li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--c-gold);
}
.areas-boundary strong { color: var(--c-ink); font-weight: 600; }

.areas-boundary__foot {
  padding-top: 1.15rem;
  border-top: 1px solid var(--c-line-soft);
  font-size: var(--t-sm);
  color: var(--c-text-2);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1000px) {
  .areas-open__grid { grid-template-columns: minmax(0, 1fr); }
  .areas-open__media { max-width: 32rem; }
  .area__grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  .area__n { font-size: var(--t-lg); }
  .area__tag { align-self: flex-start; }
}