:root {
    /* Primary Colors - Tennis Green */
    --color-primary: #2D6A4F;
    --color-primary-light: #52B788;
    --color-primary-dark: #1B4332;
    --color-primary-rgb: 45, 106, 79;

    /* Accent Colors - Gold/Yellow */
    --color-accent: #D4A843;
    --color-accent-light: #F2D974;
    --color-accent-dark: #B8922E;

    /* Tennis Ball */
    --color-tennis-ball: #C7E83E;

    /* Backgrounds */
    --color-bg: #FAFDF7;
    --color-bg-alt: #F0F7ED;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F8FBF5;

    /* Text */
    --color-text: #1A1A2E;
    --color-text-secondary: #4A4A5A;
    --color-text-light: #7A7A8A;
    --color-text-on-primary: #FFFFFF;
    --color-text-on-dark: #E8E8E8;

    /* Borders */
    --color-border: #E2E8DE;
    --color-border-light: #F0F4EC;

    /* Status */
    --color-success: #40916C;
    --color-error: #E63946;
    --color-warning: #F4A261;

    /* Fonts */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-accent: 'Montserrat', 'Inter', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 2px 8px rgba(45, 106, 79, 0.08);
    --shadow-card-hover: 0 8px 25px rgba(45, 106, 79, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 80px;
    --header-height-scrolled: 64px;

    /* Z-index */
    --z-header: 100;
    --z-mobile-menu: 150;
    --z-floating: 90;
    --z-modal: 200;
}

/* Dark mode - future consideration */
@media (prefers-color-scheme: dark) {
    :root {
        /* Can be expanded later */
    }
}