/* ─────────────────────────────────────────────────────────────────
   blog.css — Info Hub article pages (blogs-and-articles/*) and the
   blog index. Layout/nav/footer/closing come from site.css +
   service-page.css; this file styles the article header, long-form
   body typography, and the index card grid.
   ───────────────────────────────────────────────────────────────── */

/* ── Article header ── */
.blog-header { padding: 4.5rem 0 0; }
.blog-header .container { max-width: 820px; }
.blog-breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--color-text-tertiary); margin-bottom: 1.5rem;
}
.blog-breadcrumb a { color: var(--color-text-secondary); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--color-brand-primary-500); }
.blog-breadcrumb .sep { width: 14px; height: 14px; opacity: 0.5; }
.blog-header h1 {
  font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin: 0 0 1.25rem;
  text-wrap: balance;
}
.blog-meta {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--color-text-secondary); font-size: 0.95rem; margin-bottom: 2.5rem;
}
.blog-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.5; }
.blog-hero-img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  border-radius: 18px; box-shadow: 0 20px 50px -24px rgba(6, 26, 46, 0.4);
}

/* ── Article body (long-form prose) ── */
.blog-body {
  max-width: 720px; margin: 3rem auto 0; padding: 0 1.5rem;
  font-size: 1.09rem; line-height: 1.8; color: var(--color-text-body);
}
.blog-body > *:first-child { margin-top: 0; }
.blog-body p { margin: 0 0 1.4rem; text-wrap: pretty; }
.blog-body h2 {
  font-size: 1.6rem; line-height: 1.25; color: var(--color-text-primary);
  margin: 2.75rem 0 1rem;
}
.blog-body h3 { font-size: 1.3rem; color: var(--color-text-primary); margin: 2.25rem 0 0.85rem; }
.blog-body a { color: var(--color-brand-primary-500); text-decoration: underline; text-underline-offset: 2px; }
.blog-body a:hover { color: var(--color-brand-primary-700); }
.blog-body strong { color: var(--color-text-primary); font-weight: var(--font-weight-bold); }
.blog-body ul, .blog-body ol { margin: 0 0 1.4rem; padding-left: 1.4rem; }
.blog-body li { margin: 0 0 0.5rem; }
.blog-body blockquote {
  margin: 2rem 0; padding: 1rem 1.5rem; border-left: 4px solid var(--color-brand-primary-300);
  background: var(--color-brand-primary-100); border-radius: 0 12px 12px 0;
  font-style: italic; color: var(--color-text-primary);
}
.blog-figure { margin: 2rem 0; }
.blog-figure img { width: 100%; height: auto; border-radius: 12px; }

/* ── Index grid ── */
.blog-index-head { padding: 4.5rem 0 2.5rem; text-align: center; }
.blog-index-head .container { max-width: 720px; }
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.blog-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--color-brand-secondary-100);
  border-radius: 16px; text-decoration: none; color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -26px rgba(6, 26, 46, 0.45); }
.blog-card-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.blog-card-body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.blog-card-date { font-size: 0.8rem; color: var(--color-text-tertiary); margin-bottom: 0.5rem; }
.blog-card h3 { font-size: 1.18rem; line-height: 1.3; margin: 0 0 0.6rem; color: var(--color-text-primary); }
.blog-card p { font-size: 0.95rem; line-height: 1.6; color: var(--color-text-body); margin: 0 0 1.1rem; }
.blog-card .read-more {
  margin-top: auto; font-weight: var(--font-weight-bold); font-size: 0.9rem;
  color: var(--color-brand-primary-500); display: inline-flex; align-items: center; gap: 0.35rem;
}