/* ============================================================
   BLOG — listing + article pages
   Relies on design tokens and components from landing.css
   ============================================================ */

.blog-hero {
  background: radial-gradient(120% 100% at 15% 0%, var(--navy-soft) 0%, var(--ink) 55%, var(--purple-deep) 130%);
  padding: 168px 28px 90px; text-align: center;
}
.blog-hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 46px); margin: 18px 0 16px; }
.blog-hero p { color: var(--text-on-dark-muted); font-size: 16.5px; max-width: 560px; margin: 0 auto; }

.blog-list {
  max-width: 1100px; margin: 0 auto; padding: 90px 28px 130px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
}
.blog-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.blog-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); }
.blog-card__img { aspect-ratio: 16/10; overflow: hidden; background: var(--surface-alt); }
.blog-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.blog-card:hover .blog-card__img img { transform: scale(1.06); }
.blog-card__body { padding: 22px 24px 26px; }
.blog-card__tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--link-color); margin-bottom: 10px;
}
.blog-card__body h3 { font-size: 17.5px; margin-bottom: 10px; line-height: 1.35; }
.blog-card__body p { font-size: 14px; margin-bottom: 14px; }
.blog-card__meta { font-size: 12.5px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }

/* ---------- article page ---------- */
.article-hero {
  background: var(--ink); padding: 160px 28px 0; text-align: center;
}
.article-hero__inner { max-width: 760px; margin: 0 auto; padding-bottom: 60px; }
.article-hero .blog-card__tag { color: var(--blue-light); }
.article-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 42px); margin: 16px 0 18px; line-height: 1.25; }
.article-hero__meta { color: var(--text-on-dark-muted); font-size: 14px; }
.article-cover { max-width: 920px; margin: 0 auto; padding: 0 28px; transform: translateY(40px); }
.article-cover img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: block; aspect-ratio: 16/8.2; object-fit: cover; }

.article-body {
  max-width: 700px; margin: 0 auto; padding: 100px 28px 60px;
  font-size: 17px; line-height: 1.8; color: var(--text);
}
.article-body p { color: var(--text); font-size: 17px; line-height: 1.8; margin-bottom: 22px; }
.article-body h2 { font-size: 25px; margin: 44px 0 18px; }
.article-body h3 { font-size: 20px; margin: 34px 0 14px; }
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 22px; }
.article-body li { margin-bottom: 10px; color: var(--text); font-size: 16.5px; line-height: 1.7; }
.article-body blockquote {
  margin: 36px 0; padding: 4px 0 4px 24px; border-left: 3px solid var(--blue);
  font-family: var(--font-head); font-size: 20px; font-weight: 600; color: var(--text);
}
.article-body strong { color: var(--text); }

.article-sources {
  max-width: 700px; margin: 0 auto 80px; padding: 0 28px 40px;
  border-top: 1px solid var(--border); padding-top: 28px;
}
.article-sources h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 14px; }
.article-sources ul { padding-left: 18px; margin: 0; }
.article-sources li { font-size: 13.5px; color: var(--text-muted); margin-bottom: 8px; }

.article-cta {
  max-width: 700px; margin: 0 auto 100px; padding: 0 28px;
  text-align: center;
}
.article-cta-inner {
  background: linear-gradient(120deg, var(--blue) 0%, var(--purple) 100%);
  border-radius: var(--radius-lg); padding: 44px 36px; color: #fff;
}
.article-cta-inner h3 { font-size: 22px; margin-bottom: 10px; }
.article-cta-inner p { color: rgba(255,255,255,.85); font-size: 15px; margin-bottom: 24px; }

.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-on-dark-muted); font-size: 14px; font-weight: 600;
  margin-bottom: 18px;
}
.back-link:hover { color: #fff; }

@media (max-width: 980px) {
  .blog-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .blog-list { grid-template-columns: 1fr; padding-top: 60px; }
  .article-hero { padding-top: 140px; }
  .article-cover { transform: translateY(28px); }
  .article-body { padding-top: 70px; }
}