:root {
    /* Colors from rezonbio.com */
    --color-primary: #1A126E;
    --color-secondary: #6554DE;
    --color-accent: #FB9660;
    --color-bg: #FFFFFF;
    --color-bg-dark: #0F0A3E;
    --color-bg-card: #1A126E;
    --color-text: #333333;
    --color-text-light: #7B7B7B;
    --color-text-white: #FFFFFF;
    --color-border: rgba(101, 84, 222, 0.3);
    --color-highlight: #FB9660;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1A126E 0%, #6554DE 100%);
    --gradient-highlight: linear-gradient(135deg, #FB9660 0%, #6554DE 100%);
    --gradient-card: linear-gradient(145deg, #1A126E 0%, #2A1F8E 100%);

    /* 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;

    /* 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: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(26, 18, 110, 0.1);
    --shadow-md: 0 4px 6px rgba(26, 18, 110, 0.15);
    --shadow-lg: 0 10px 15px rgba(26, 18, 110, 0.2);
    --shadow-xl: 0 20px 25px rgba(26, 18, 110, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

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