:root {
  --avva-blue: #1f4a7a;
  --avva-blue-dark: #143153;
  --avva-yellow: #f5c042;
  --ink: #1a1a1a;
  --muted: #6b7280;
  --bg: #fafaf7;
  --card: #ffffff;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--avva-blue); }
a:hover { color: var(--avva-blue-dark); }
.container { max-width: 980px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  background: var(--avva-blue);
  color: #fff;
  border-bottom: 4px solid var(--avva-yellow);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem; padding: 1.25rem 1.25rem;
}
.brand { color: #fff; text-decoration: none; display: flex; flex-direction: column; }
.brand-name { font-size: 1.5rem; font-weight: 700; letter-spacing: 0.5px; }
.brand-tagline { font-size: 0.85rem; opacity: 0.85; font-weight: 400; }
.site-nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.site-nav a {
  color: #fff; text-decoration: none; padding: 0.5rem 0.9rem;
  border-radius: 4px; font-weight: 500;
}
.site-nav a:hover { background: rgba(255,255,255,0.12); color: #fff; }
.site-nav a.active { background: var(--avva-yellow); color: var(--avva-blue-dark); }

/* Main */
.site-main { padding: 2.5rem 1.25rem 3rem; }
.page h1 { font-size: 2.2rem; margin: 0 0 1.25rem; color: var(--avva-blue-dark); }
.page h2 { font-size: 1.5rem; color: var(--avva-blue-dark); margin-top: 2rem; }
.page h3 { font-size: 1.2rem; color: var(--avva-blue-dark); }
.page-body img {
  max-width: 100%; height: auto; border-radius: 4px;
  margin: 0.5rem 0;
}
.page-body p { margin: 0.9rem 0; }
.page-body ul, .page-body ol { padding-left: 1.5rem; }
.page-body blockquote {
  border-left: 4px solid var(--avva-yellow);
  margin: 1rem 0; padding: 0.5rem 1rem;
  background: #fff7e0; color: #4a3a0a;
}

/* Footer */
.site-footer {
  background: var(--avva-blue-dark);
  color: #cfd8e3;
  padding: 1.5rem 0 1rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}
.site-footer p { margin: 0.25rem 0; }
.site-footer a { color: #fff; }
.admin-link { margin-top: 0.75rem; opacity: 0.7; font-size: 0.8rem; }

@media (max-width: 600px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .site-nav { width: 100%; }
  .page h1 { font-size: 1.6rem; }
}