/* Guides — shared CSS for index + article pages */
:root {
  --primary: #0b3d91;
  --primary-dark: #08306b;
  --accent: #ff7a18;
  --accent-deep: #ff5733;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16.5px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 22px 80px;
}
.wrap-wide { max-width: 980px; }

article h1, .guides-h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 8px 0 10px;
  color: var(--primary-dark);
}
article .lead {
  font-size: 1.12rem;
  color: var(--muted);
  margin: 0 0 28px;
}
article h2 {
  font-size: 1.45rem;
  margin: 38px 0 10px;
  letter-spacing: -0.01em;
}
article h3 {
  font-size: 1.15rem;
  margin: 26px 0 6px;
}
article p, article li { font-size: 1rem; }
article ul, article ol { padding-left: 22px; }
article li { margin: 6px 0; }

article table {
  border-collapse: collapse;
  width: 100%;
  margin: 18px 0;
  font-size: 0.95rem;
}
article th, article td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}
article th { background: #f1f5f9; font-weight: 700; }

.meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.meta .pill {
  background: #e0e7ff;
  color: #312e81;
  padding: 2px 9px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
}
.meta .pill.frr { background: #ccfbf1; color: #0f766e; }
.meta .pill.cat5 { background: #fef3c7; color: #92400e; }

.cta-box {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border: 1px solid #fdba74;
  border-radius: 14px;
  padding: 22px 24px;
  margin: 30px 0;
}
.cta-box h3 { margin-top: 0; color: var(--primary-dark); }
.cta-box .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: 8px;
}
.cta-box .btn:hover { background: var(--accent-deep); text-decoration: none; }

.callout {
  background: #eff6ff;
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
  font-size: 0.96rem;
}
.callout.warn {
  background: #fef2f2;
  border-left-color: #dc2626;
  color: #7f1d1d;
}
.callout.tip {
  background: #f0fdf4;
  border-left-color: #16a34a;
}

/* Guides index */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.guide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.12s, box-shadow 0.12s;
}
.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}
.guide-card h3 {
  margin: 8px 0 6px;
  font-size: 1.08rem;
  color: var(--primary-dark);
  line-height: 1.3;
}
.guide-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}
.guide-card a.read {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}

.foot {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.foot a { color: var(--muted); margin: 0 8px; }

@media (max-width: 600px) {
  .wrap { padding: 24px 16px 60px; }
  article h1, .guides-h1 { font-size: 1.7rem; }
  article h2 { font-size: 1.25rem; }
}