:root {
  --font-h1: 2.4rem; --font-h2: 1.4rem; --font-h3: 0.95rem;
  --font-body: 1rem; --font-sm: 0.82rem; --font-xs: 0.72rem;
  --leading-tight: 1.3; --leading-normal: 1.6;
  --color-primary: #003d99; --color-primary-dark: #002266;
  --color-accent: #3b82f6; --color-bg: #e8ecf1;
  --color-card: #fafbfc; --color-text: #0f172a;
  --color-text-light: #475569; --color-muted: #94a3b8;
  --color-white: #ffffff; --color-border: #e5e7eb;
  --color-success: #059669; --color-danger: #dc2626;
  --color-warning: #ea580c;
  --gap-card: 16px; --gap-section: 48px;
  --padding-card: 24px; --radius-card: 12px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 20px rgba(0,82,204,0.08);
}