:root {
  color-scheme: dark;
  --article-bg: #07111f;
  --article-panel: #0d1b2d;
  --article-panel-soft: #10233a;
  --article-text: #eef5ff;
  --article-muted: #a9b8cb;
  --article-line: rgba(255, 255, 255, 0.12);
  --article-accent: #54d6bd;
  --article-link: #82e8d4;
}

.article-page {
  margin: 0;
  background: var(--article-bg);
  color: var(--article-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

.article-header,
.article-footer,
.article-shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.article-header {
  box-sizing: border-box;
}

.article-shell {
  padding: 44px 0 80px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 auto 30px;
  max-width: 820px;
  color: var(--article-muted);
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--article-link);
  text-decoration: none;
}

.article-content {
  max-width: 820px;
  margin: 0 auto;
}

.article-content h1 {
  margin: 0 0 24px;
  max-width: 900px;
  font-size: clamp(2.25rem, 5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.article-content h2 {
  margin: 54px 0 18px;
  font-size: clamp(1.45rem, 2.8vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.article-content h3 {
  margin: 34px 0 12px;
  font-size: 1.18rem;
  line-height: 1.3;
}

.article-content > p:first-of-type {
  color: #d6e3f2;
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  line-height: 1.6;
}

.article-content p,
.article-content li {
  color: #cfdae8;
}

.article-content ul,
.article-content ol {
  padding-left: 1.4rem;
}

.article-content li + li {
  margin-top: 8px;
}

.article-content a {
  color: var(--article-link);
  text-underline-offset: 3px;
}

.article-content blockquote {
  margin: 30px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--article-accent);
  background: var(--article-panel);
  color: var(--article-text);
}

.article-content strong {
  color: #ffffff;
}

.article-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  max-width: 920px;
  margin: 72px auto 0;
  padding: 34px;
  border: 1px solid var(--article-line);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--article-panel-soft), var(--article-panel));
}

.article-cta h2,
.related-articles h2 {
  margin: 0 0 10px;
  line-height: 1.2;
}

.article-cta p {
  margin: 0;
  color: var(--article-muted);
}

.article-cta .eyebrow {
  margin-bottom: 8px;
  color: var(--article-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-cta .button {
  white-space: nowrap;
}

.related-articles {
  max-width: 920px;
  margin: 72px auto 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.related-grid a {
  display: flex;
  min-height: 150px;
  box-sizing: border-box;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--article-line);
  border-radius: 16px;
  background: var(--article-panel);
  color: var(--article-text);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.related-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(84, 214, 189, 0.55);
}

.related-grid span {
  color: var(--article-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.article-footer {
  box-sizing: border-box;
}

@media (max-width: 760px) {
  .article-header,
  .article-footer,
  .article-shell {
    width: min(100% - 28px, 1120px);
  }

  .article-shell {
    padding-top: 28px;
  }

  .article-content h1 {
    font-size: clamp(2rem, 11vw, 3.2rem);
  }

  .article-cta {
    grid-template-columns: 1fr;
    padding: 26px;
  }

  .article-cta .button {
    justify-self: start;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .related-grid a {
    transition: none;
  }
}