/* ---------------------------------------------------------------------------
   Shared theme — State of AI Safety in China (2026)
   Used across landing page and all three sub-sites.
   --------------------------------------------------------------------------- */

:root {
  /* Brand palette */
  --brand-primary: #003399;   /* primary — navy blue */
  --brand-accent: #99ADD6;    /* secondary accent — light blue from Concordia palette */
  --brand-mid: #4A6AAF;       /* tertiary — medium blue (used where three distinct shades are needed) */

  /* Tints / muted variants (derived) */
  --brand-primary-soft: #E6EAF5;
  --brand-primary-tint: #CCD6EB;
  --brand-accent-soft: #E1E8F5;

  /* Neutrals */
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --border: #E4E2DC;
  --border-light: #EEEDEA;
  --text: #1C1B18;
  --text-muted: #6B6860;
  --text-subtle: #9C9A93;

  /* Typography — Open Sans served from Google Fonts via <link> in each page head. */
  --font-sans: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html, body {
  font-family: var(--font-sans);
}

/* ---------------------------------------------------------------------------
   Shared top nav (injected by shared/nav.js)
   --------------------------------------------------------------------------- */

.soais-topnav {
  background: var(--brand-primary);
  color: #fff;
  font-family: var(--font-sans);
  border-bottom: 3px solid var(--brand-accent);
}
.soais-topnav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.soais-topnav-brand {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 20px;
}
.soais-topnav-brand:hover { color: #fff; opacity: 0.9; }
.soais-topnav-logo {
  height: 26px;
  width: auto;
  display: block;
}
.soais-topnav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-left: auto;
}
.soais-topnav-links a {
  color: #E6EAF5;
  font-size: 14px;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.soais-topnav-links a:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.soais-topnav-links a.active {
  background: var(--brand-accent);
  color: var(--brand-primary);
  font-weight: 600;
}

@media (max-width: 640px) {
  .soais-topnav-inner { padding: 10px 16px; gap: 12px; }
  .soais-topnav-brand { font-size: 14px; gap: 14px; }
  .soais-topnav-logo { height: 22px; }
  .soais-topnav-links { width: 100%; margin-left: 0; }
  .soais-topnav-links a { font-size: 13px; padding: 5px 9px; }
}

/* ---------------------------------------------------------------------------
   Shared button style
   --------------------------------------------------------------------------- */

.soais-btn {
  display: inline-block;
  background: var(--brand-primary);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.soais-btn:hover {
  background: #001F7A;
  color: #fff;
  transform: translateY(-1px);
}
.soais-btn.soais-btn-accent {
  background: var(--brand-accent);
  color: var(--brand-primary);
}
.soais-btn.soais-btn-accent:hover {
  background: #7A8AAB;
  color: var(--brand-primary);
}
</content>
</invoke>