:root {
    /* Primary colors — RED for header/footer (matches hero) */
    --color-primary-dark: #991b1b;
    --color-primary: #dc2626;
    --color-accent: #046bd2;
    --color-highlight: #046bd2;

    /* Background colors — LIGHT theme */
    --color-bg: #ffffff;
    --color-bg-card: #ffffff;
    --color-bg-hover: #F0F5FA;

    /* Text colors — DARK on light */
    --color-text: #334155;
    --color-text-muted: #64748b;
    --color-text-light: #ffffff;

    /* Border colors */
    --color-border: #e2e8f0;
    --color-border-light: #046bd2;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #b91c1c 0%, #dc2626 100%);
    --gradient-highlight: linear-gradient(135deg, #046bd2 0%, #2563eb 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Shadows — lighter for light theme */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(4, 107, 210, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1200px;
    --header-height: 70px;
}