.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.learn-teaser {
  background:
    radial-gradient(circle at top left, rgba(51, 214, 207, 0.13), transparent 26rem),
    #ffffff;
}

.article-hero {
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.article-hero-copy {
  max-width: 62rem;
}

.article-hero h1,
.article-page h1 {
  max-width: 13ch;
}

.article-index {
  padding-top: 1rem;
}

.article-grid.compact {
  margin-bottom: 2rem;
}

.article-card {
  overflow: hidden;
  min-height: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.article-card a {
  display: block;
  height: 100%;
  padding: 1rem;
  text-decoration: none;
}

.article-card img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  margin-bottom: 1.1rem;
  background: #ffffff;
  border-radius: 14px;
}

.article-card h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.14;
}

.article-card p,
.article-content p,
.article-lede,
.article-disclaimer p,
.article-cta p {
  color: var(--muted);
  line-height: 1.55;
}

.article-topic {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--brand-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-page {
  max-width: 58rem;
  margin-inline: auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 2rem);
}

.article-header {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.article-header .secondary-link {
  display: inline-block;
  margin-bottom: 2rem;
}

.article-lede {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

.article-hero-image {
  width: 100%;
  margin-top: 2rem;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.article-content {
  font-size: 1.08rem;
}

.article-content h2 {
  margin-top: clamp(2.4rem, 5vw, 3.4rem);
  font-size: clamp(1.85rem, 3vw, 2.7rem);
}

.article-cta,
.article-disclaimer {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: 1.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.article-cta h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.article-disclaimer {
  font-size: 0.96rem;
}

@media (prefers-color-scheme: dark) {
  .learn-teaser {
    background:
      linear-gradient(135deg, rgba(58, 134, 255, 0.12), transparent 34rem),
      #11151c;
  }
}

@media (max-width: 980px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
}