:root {
  --text: #0F172A;
  --muted: #6B7280;
  --border: #E5E7EB;
  --bg: #fff;
  --bg2: #F3F4F6;
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --accent: #14B8A6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 16px 56px;
}

.wrap-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 16px 56px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.top nav {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

.top nav a { color: var(--muted); font-weight: 500; }
.top nav a:hover { color: var(--primary); }

.pill {
  font-size: 12px;
  background: var(--bg2);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  margin-left: 8px;
}

.pill-accent {
  background: rgba(20, 184, 166, 0.12);
  color: #0d9488;
}

h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 1.25rem; margin: 32px 0 10px; }
h3 { font-size: 1.05rem; margin: 24px 0 8px; }

.meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.lead {
  font-size: 1.1rem;
  color: #334155;
  margin-bottom: 24px;
}

.muted { color: var(--muted); }

article p { margin: 0 0 16px; }
article ul, article ol { margin: 0 0 16px; padding-left: 22px; }
article li { margin-bottom: 6px; }

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  margin: 24px 0;
}

.card-accent {
  border-color: rgba(37, 99, 235, 0.25);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(20, 184, 166, 0.05));
}

.card strong { display: block; margin-bottom: 6px; }

.sources {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.sources h2 { font-size: 1rem; margin-top: 0; }
.sources ol { font-size: 0.9rem; }
.sources a { word-break: break-all; }

.cta-box {
  margin: 32px 0;
  padding: 20px 22px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.cta-box p { margin: 0 0 12px; color: rgba(255,255,255,0.92); }
.cta-box a.btn {
  display: inline-block;
  background: white;
  color: var(--primary-dark);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.cta-box a.btn:hover { filter: brightness(0.97); text-decoration: none; }

.related {
  margin-top: 40px;
  padding: 20px;
  background: var(--bg2);
  border-radius: 14px;
  border: 1px solid var(--border);
}

.related h2 { font-size: 1rem; margin: 0 0 12px; }
.related ul { margin: 0; padding-left: 18px; font-size: 0.95rem; }

/* Blog index */
.hero-blog {
  text-align: center;
  margin-bottom: 36px;
}

.hero-blog h1 { font-size: 2.2rem; }
.hero-blog p { color: var(--muted); max-width: 620px; margin: 0 auto; }

.featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .featured { grid-template-columns: 1.2fr 1fr; }
}

.featured-main {
  border-radius: 18px;
  padding: 24px;
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.07), rgba(20, 184, 166, 0.05));
}

.featured-main h2 { margin: 8px 0; font-size: 1.4rem; }
.featured-main h2 a { color: var(--text); }
.featured-main h2 a:hover { color: var(--primary); text-decoration: none; }

.article-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .article-grid { grid-template-columns: 1fr 1fr; }
}

.article-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.article-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.article-card h3 {
  margin: 8px 0 6px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--primary); text-decoration: none; }

.article-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.tag-primary { color: var(--primary); }

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 16px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

footer.site-footer a { color: var(--muted); margin: 0 8px; }