/* ================================
   CSS Custom Properties / Variables
   ================================ */

:root {
  /* ===== Farben ===== */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-text: #f0f0f5;
  --color-text-muted: #8888a0;
  
  /* Akzentfarben */
  --color-accent: #6366f1;
  --color-accent-glow: rgba(99, 102, 241, 0.4);
  --color-accent-secondary: #22d3ee;
  
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  
  /* ===== Typografie ===== */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes */
  --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, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --text-hero: clamp(3rem, 2rem + 5vw, 6rem);
  
  /* ===== Spacing ===== */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* ===== Timing & Easing ===== */
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 800ms;
  
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* ===== Borders & 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(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px var(--color-accent-glow);
  
  /* ===== Z-Index Scale ===== */
  --z-base: 0;
  --z-above: 10;
  --z-overlay: 100;
  --z-modal: 1000;
  --z-cursor: 9999;
}

/* ===== Dark/Light Theme Toggle (für später) ===== */
[data-theme="light"] {
  --color-bg: #f5f5fa;
  --color-bg-secondary: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #666680;
}