/**
 * Design System Variables
 * Inspired by kaylaarianne.com - minimalist, elegant, professional
 */

:root {
  /* === COLOR PALETTE === */
  
  /* Background Colors */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #FAFAFA;
  --color-bg-tertiary: #F5F5F5;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Text Colors */
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #4A4A4A;
  --color-text-muted: #8A8A8A;
  --color-text-light: #FFFFFF;
  
  /* Accent Colors */
  --color-accent: #C9A962;
  --color-accent-dark: #B89850;
  --color-accent-light: #D4B676;
  
  /* Interactive States */
  --color-hover: #000000;
  --color-active: #1A1A1A;
  --color-focus: #C9A962;
  
  /* Borders & Dividers */
  --color-border: #E0E0E0;
  --color-divider: #F0F0F0;
  
  /* Status Colors */
  --color-success: #4CAF50;
  --color-error: #F44336;
  --color-warning: #FF9800;
  
  /* === TYPOGRAPHY === */
  
  /* Font Families */
  --font-primary: 'Forum', Georgia, serif;
  --font-secondary: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', 'Arial', sans-serif;
  --font-mono: 'Menlo', 'Monaco', 'Courier New', monospace;
  
  /* Font Sizes (Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.6rem + 2vw, 3rem);
  --text-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --text-4xl: clamp(3rem, 2.5rem + 3vw, 5rem);
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;
  
  /* Font Weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  
  /* === SPACING === */
  
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-8: 3rem;      /* 48px */
  --space-10: 4rem;     /* 64px */
  --space-12: 6rem;     /* 96px */
  --space-16: 8rem;     /* 128px */
  --space-20: 10rem;    /* 160px */
  --space-24: 12rem;    /* 192px */
  
  /* === LAYOUT === */
  
  /* Container Widths */
  --width-full: 100%;
  --width-content: 1200px;
  --width-text: 720px;
  --width-narrow: 480px;
  
  /* Viewport Units */
  --vh-full: 100vh;
  --vw-full: 100vw;
  
  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-fixed: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;
  
  /* === EFFECTS === */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* === ANIMATIONS === */
  
  /* Duration */
  --duration-instant: 100ms;
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 800ms;
  --duration-slowest: 1200ms;
  
  /* Easing Functions */
  --ease-linear: linear;
  --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-sharp: cubic-bezier(0.4, 0, 0.6, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* === BREAKPOINTS (for reference in media queries) === */
  /* Use these values in @media queries */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* === COMPONENT-SPECIFIC === */
  
  /* Header/Navigation */
  --header-height: 80px;
  --header-height-mobile: 64px;
  
  /* Gallery Grid */
  --gallery-gap: 1rem;
  --gallery-columns-mobile: 1;
  --gallery-columns-tablet: 2;
  --gallery-columns-desktop: 3;
  
  /* Form Elements */
  --input-height: 48px;
  --input-padding-x: 1rem;
  --input-padding-y: 0.75rem;
  --input-border-width: 1px;
  
  /* Buttons */
  --button-height: 48px;
  --button-padding-x: 2rem;
  --button-padding-y: 0.75rem;
}

/* === DARK MODE SUPPORT (Optional) === */
@media (prefers-color-scheme: dark) {
  :root {
    /* Uncomment to enable dark mode */
    /* --color-bg-primary: #1A1A1A; */
    /* --color-bg-secondary: #2A2A2A; */
    /* --color-bg-tertiary: #3A3A3A; */
    /* --color-text-primary: #FFFFFF; */
    /* --color-text-secondary: #B0B0B0; */
    /* --color-text-muted: #808080; */
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-instant: 0ms;
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
    --duration-slowest: 0ms;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}