/**
 * CSS Custom Properties (Variables)
 * Design System for Kunsttherapie Böniger
 */

:root {
    /* ========================================
       COLORS
       ======================================== */
    
	/* Primary Brand Colors */
	--color-black: #000000;
	--color-turquoise: #AFEBE9;
	--color-honey-gold: #FB8851;
	--color-white: #FFFFFF;
	--color-cream: #F0E7D8;
	--color-sage: #ADC3C0;

	/* Accent variations */
	--color-turquoise-dark: #8DD4D1;      /* Darker teal */
	--color-orange: #FB8851;
	--color-orange-dark: #E5723A;          /* Darker coral */

	/* Grayscale - adjusted with warm undertones to match cream */
	--color-gray-50: #F9F7F4;
	--color-gray-100: #F0E7D8;             /* Your cream color */
	--color-gray-200: #E5DDD0;
	--color-gray-300: #D5CEC3;
	--color-gray-400: #ADC3C0;             /* Your sage color */
	--color-gray-500: #8FA3A0;
	--color-gray-600: #6B7D7A;
	--color-gray-700: #525F5D;
	--color-gray-800: #3A4342;
	--color-gray-900: #1F2524;

	/* Semantic Colors - harmonized with new palette */
	--color-success: #10B981;
	--color-error: #EF4444;
	--color-warning: #FB8851;              /* Using your coral */
	--color-info: #AFEBE9;                 /* Using your teal */
    
    /* ========================================
       TYPOGRAPHY
       ======================================== */
    
    /* Font Families */
    --font-primary: 'Century Gothic', 'Futura', 'Avenir Next', 'Trebuchet MS', sans-serif;
    --font-fallback: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    /* Font Sizes - Fluid Typography using clamp() */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);      /* 12px - 14px */
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);        /* 14px - 16px */
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);      /* 16px - 18px */
    --font-size-md: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);    /* 18px - 20px */
    --font-size-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);        /* 20px - 24px */
    --font-size-xl: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);          /* 24px - 32px */
    --font-size-2xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);             /* 32px - 48px */
    --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);             /* 40px - 64px */
    --font-size-4xl: clamp(3rem, 2.5rem + 2.5vw, 5rem);             /* 48px - 80px */
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-snug: 1.4;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    --line-height-loose: 2;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    
    /* ========================================
       SPACING SYSTEM (8px base)
       ======================================== */
    
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-7: 1.75rem;   /* 28px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* Semantic Spacing */
    --space-xs: var(--space-2);
    --space-sm: var(--space-4);
    --space-md: var(--space-6);
    --space-lg: var(--space-8);
    --space-xl: var(--space-12);
    --space-2xl: var(--space-16);
    --space-3xl: var(--space-24);
    --space-4xl: var(--space-32);
    
    /* ========================================
       LAYOUT
       ======================================== */
    
    /* Container Widths */
    --container-xs: 480px;
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
    
    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* ========================================
       BORDERS & RADIUS
       ======================================== */
    
    /* Border Widths */
    --border-width-thin: 1px;
    --border-width-base: 2px;
    --border-width-thick: 4px;
    
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 1rem;      /* 16px */
    --radius-xl: 1.5rem;    /* 24px */
    --radius-2xl: 2rem;     /* 32px */
    --radius-full: 9999px;
    
    /* ========================================
       SHADOWS
       ======================================== */
    
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Colored Shadows */
    --shadow-turquoise: 0 10px 30px -5px rgba(117, 249, 255, 0.3);
    --shadow-orange: 0 10px 30px -5px rgba(255, 155, 28, 0.3);
    
    /* ========================================
       TRANSITIONS & ANIMATIONS
       ======================================== */
    
    /* Duration */
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 350ms;
    --duration-slower: 500ms;
    
    /* Timing Functions */
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Combined Transitions */
    --transition-fast: var(--duration-fast) var(--ease-in-out);
    --transition-base: var(--duration-base) var(--ease-in-out);
    --transition-slow: var(--duration-slow) var(--ease-in-out);
    
    /* ========================================
       Z-INDEX SCALE
       ======================================== */
    
    --z-base: 1;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* ========================================
       EFFECTS
       ======================================== */
    
    /* Blur */
    --blur-sm: 4px;
    --blur-md: 8px;
    --blur-lg: 16px;
    --blur-xl: 24px;
    
    /* Opacity */
    --opacity-0: 0;
    --opacity-10: 0.1;
    --opacity-20: 0.2;
    --opacity-30: 0.3;
    --opacity-40: 0.4;
    --opacity-50: 0.5;
    --opacity-60: 0.6;
    --opacity-70: 0.7;
    --opacity-80: 0.8;
    --opacity-90: 0.9;
    --opacity-100: 1;
}

/* Dark mode support (optional - for future use) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Uncomment and adjust if dark mode is needed */
        /* --color-black: #FFFFFF;
        --color-white: #000000; */
    }
}