.blog-hero {
  margin-top: calc(-1 * var(--header-offset));
  padding: calc(var(--header-offset) + 6rem) 0 6rem;
  background: radial-gradient(circle at 14% 0%, rgba(0, 131, 255, 0.15), transparent 50%), var(--color-slate-50);
  border-bottom: 1px solid var(--color-border);
}

.blog-hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  margin: 1.25rem 0 1.5rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 900px;
}

.blog-hero p {
  color: var(--color-muted);
  max-width: 740px;
  font-size: 1.2rem;
  line-height: 1.6;
}

.category-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.category-chip {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}

.category-chip:hover {
  background: #fff;
  border-color: rgba(0, 131, 255, 0.3);
}

.blog-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.featured-article,
.article-card,
.newsletter,
.article-shell {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 12px 24px rgba(0, 12, 42, 0.03);
  padding: 2.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.article-card {
  padding: 2rem;
}

.featured-article:hover,
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0, 12, 42, 0.08);
  border-color: rgba(0, 131, 255, 0.3);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.featured-article h2,
.article-card h3 {
  margin: 1rem 0 0.75rem;
  line-height: 1.3;
}

.featured-article h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.article-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
}

.featured-article a,
.article-card a {
  color: var(--color-text);
  text-decoration: none;
}

.featured-article a:hover,
.article-card a:hover {
  color: var(--color-primary);
}

.featured-article p,
.article-card p {
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.article-meta {
  color: var(--color-primary) !important;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem !important;
}

.newsletter {
  background: var(--gradient-soft);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  align-items: center;
}

.newsletter h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.newsletter p {
  color: var(--color-muted);
  font-size: 1.15rem;
  margin: 0 0 2rem;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  width: 100%;
  max-width: 500px;
}

.newsletter-form input {
  flex: 1 1 230px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.article-layout {
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.article-layout h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  line-height: 1.15;
}

.article-layout p,
.article-layout li {
  color: var(--color-text);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.article-layout h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 3rem 0 1.5rem;
}

.article-layout h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
}