:root {
  --navy: #10243E;
  --navy-soft: #1C3A5E;
  --green: #2F6F5E;
  --green-light: #E7F0EC;
  --paper: #F7F5F0;
  --ink: #1C1C1C;
  --muted: #62666C;
  --line: #E1DDD3;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
}

.topbar {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
}
.topbar-inner {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar a.brand {
  color: #fff;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.topbar nav a {
  color: #D9E3EC;
  text-decoration: none;
  font-size: 0.92rem;
  margin-left: 20px;
}
.topbar nav a:hover { color: #fff; }

.breadcrumb {
  max-width: 720px;
  margin: 28px auto 0;
  padding: 0 24px;
  font-size: 0.88rem;
  color: var(--muted);
}
.breadcrumb a { color: var(--green); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

article {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 60px;
}

.kicker {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

h1 {
  font-family: var(--serif);
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--navy);
}

.meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

article h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--navy);
  margin: 40px 0 14px;
}

article p { margin: 0 0 18px; font-size: 1.02rem; }

article ul, article ol {
  margin: 0 0 18px;
  padding-left: 22px;
}
article li { margin-bottom: 6px; }

article strong { color: var(--navy-soft); }

.callout {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  border-radius: 4px;
  margin: 24px 0;
}
.callout p { margin: 0; }

.sources {
  margin-top: 40px;
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

.cta-box {
  margin-top: 48px;
  background: var(--navy);
  color: #fff;
  border-radius: 8px;
  padding: 32px 28px;
  text-align: center;
}
.cta-box h3 {
  font-family: var(--serif);
  margin: 0 0 8px;
  font-size: 1.3rem;
}
.cta-box p {
  margin: 0 0 20px;
  color: #C9D4DE;
  font-size: 0.95rem;
}
.cta-box a.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
}
.cta-box a.btn:hover { background: #275C4E; }

footer {
  border-top: 1px solid var(--line);
  padding: 30px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}
footer a { color: var(--muted); }

/* --- Blog index --- */
.index-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 44px 24px 10px;
}
.index-hero .kicker { margin-bottom: 8px; }
.index-hero h1 { margin-bottom: 10px; }
.index-hero p.lead { color: var(--muted); font-size: 1.02rem; }

.post-list {
  max-width: 720px;
  margin: 20px auto 60px;
  padding: 0 24px;
  display: grid;
  gap: 18px;
}
.post-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}
.post-card:hover { border-color: var(--green); }
.post-card .cat {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}
.post-card h2 {
  font-family: var(--serif);
  color: var(--navy);
  font-size: 1.2rem;
  margin: 0 0 8px;
}
.post-card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}