/* === RUNRR AUTONOMOUS-OPS ARTICLE ===
   Top-of-funnel category-definition page. Reuses theme.css tokens; no new
   colors, fonts, or radii. Hero, vs-trigger-action side-by-side, four-segment
   grid, and CTA share the .article-* scope so the page never bleeds into
   home/ or /one-pager.
*/

.article-body {
  background: var(--bg);
}

/* === HERO === */
.article-hero {
  padding: 7rem 2rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.article-hero-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.article-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.article-lede {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === SECTION-CHROME (shared by all interior sections) === */
.article-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* === VS-TRIGGER-ACTION === */
.article-vs {
  padding: 6rem 2rem;
}

.article-vs-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.article-vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.article-vs-card {
  display: flex;
  flex-direction: column;
}

.article-vs-card-accent {
  border-color: var(--border-accent);
  box-shadow: 0 0 30px rgba(0, 229, 160, 0.06);
}

.article-vs-caption {
  margin-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.65;
  text-align: left;
}

.article-vs-caption em {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}

.article-vs-keytakeaway {
  margin-top: 2.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.5;
}

.article-vs-accent {
  color: var(--accent);
}

/* === FOUR SEGMENTS === */
.article-segments {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.article-segments-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.article-segment-card {
  display: flex;
  flex-direction: column;
}

.article-segment-icon {
  color: var(--accent);
}

.article-segment-pivot {
  margin-top: 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
}

/* === CTA === */
.article-cta {
  padding: 8rem 2rem 6rem;
}

.article-cta .closing-sub {
  max-width: 640px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.article-cta-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.article-cta-link:hover {
  color: var(--text);
}

.article-cta-button {
  display: inline-block;
  margin-top: 0.4rem;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .article-vs-grid {
    grid-template-columns: 1fr;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .article-hero { padding: 5rem 1.25rem 3rem; }
  .article-h1 { font-size: 2.2rem; }
  .article-vs, .article-segments, .article-cta {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  .article-h2 { font-size: 1.6rem; }
}