body {
  font-family: var(--brand-font, 'Inter', system-ui, sans-serif);
  margin: 0;
  background: #f5f6fb;
  color: var(--brand-text, #1f1f1f);
}
header {
  background: var(--brand-primary, #0c1d3c);
  color: white;
  padding: 1.5rem;
}
header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
}
header nav a {
  color: white;
  text-decoration: none;
}
.topbar {
  background: rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.topbar__inner {
  max-width: var(--layout-max-width-wide, 1300px);
  margin: 0 auto;
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: flex-end;
}
.topbar a {
  color: var(--brand-text, #1f1f1f);
  text-decoration: none;
  font-weight: 600;
}
.site-logo img {
  max-height: 54px;
  width: auto;
  display: block;
  margin-bottom: 0.5rem;
}
.site-welcome {
  opacity: 0.9;
  margin: 0.25rem 0 0;
}
.header-html, .footer-html {
  margin-top: 0.75rem;
}
.contact-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: var(--brand-primary, #0c1d3c);
  color: #fff;
  text-decoration: none;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.18);
  font-weight: 700;
}
.contact-fab:hover {
  filter: brightness(1.05);
}
main {
  padding: 2rem;
  max-width: var(--layout-max-width, 1100px);
  margin: 0 auto;
}
.page-layout {
  /* Default: content only */
}
.page-layout--sidebar {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem;
  max-width: var(--layout-max-width-wide, 1300px);
  margin: 0 auto;
}
.page-layout--sidebar main {
  padding: 0;
  max-width: none;
  margin: 0;
}
.sidebar {
  background: #ffffff;
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid rgba(0,0,0,0.06);
}
.sidebar nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sidebar nav a {
  color: #0c1d3c;
  text-decoration: none;
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
}
.sidebar nav a:hover {
  background: rgba(12,29,60,0.08);
}
@media (max-width: 900px) {
  .page-layout--sidebar {
    grid-template-columns: 1fr;
  }
}
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: #555;
}