/* ============================================================
   EMPELIO PREMIUM — DESIGN SYSTEM
   Empelio Brand v1 — Smaragdgrün + Indigoblau
   ============================================================ */

:root {
  /* === BACKGROUND TOKENS — dark navy base (Indigoblau family) === */
  --bg-0: #060a18;
  --bg-1: #080d20;
  --bg-2: #0c1228;
  --bg-3: #13183d;
  --bg-4: #1c2250;
  --bg-glass: rgba(13, 18, 40, 0.7);
  --bg-glass-hover: rgba(19, 24, 61, 0.85);

  /* === BRAND COLORS — Empelio Smaragdgrün #3b9a5b === */
  --brand-700: #1e5c38;
  --brand-600: #2a7a4d;
  --brand-500: #3b9a5b;
  --brand-400: #5cb87a;
  --brand-300: #90d4a8;
  --brand-200: #c8ecd4;

  /* Secondary / utility palette */
  --accent-600: #1a4a2c;
  --accent-500: #3b9a5b;
  --accent-400: #5cb87a;
  --accent-300: #90d4a8;

  /* Semantic colors — keep for UI feedback */
  --emerald-500: #3b9a5b;
  --amber-500:   #F59E0B;
  --rose-500:    #F43F5E;

  /* === GRADIENTS — Empelio signature green-to-navy === */
  --gradient-brand:      linear-gradient(135deg, #3b9a5b 0%, #13183d 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(59,154,91,0.12) 0%, rgba(19,24,61,0.07) 100%);
  --gradient-hero-glow:  radial-gradient(ellipse 120% 80% at 50% -20%, rgba(59,154,91,0.2) 0%, rgba(19,24,61,0.12) 40%, transparent 70%);
  --gradient-card:       linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-text:       linear-gradient(135deg, #5cb87a 0%, #3b9a5b 60%, #2a7a4d 100%);
  --gradient-cta:        linear-gradient(135deg, #3b9a5b 0%, #13183d 100%);

  /* === BORDERS === */
  --border-subtle:   rgba(255, 255, 255, 0.05);
  --border-default:  rgba(255, 255, 255, 0.08);
  --border-emphasis: rgba(255, 255, 255, 0.14);
  --border-brand:    rgba(59, 154, 91, 0.4);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-2xl: 32px;
  --border-radius-full: 999px;

  /* === TEXT COLORS === */
  --text-primary: #F4F4FF;
  --text-secondary: #9494AF;
  --text-muted: #5A5A75;
  --text-disabled: #3A3A52;

  /* === SHADOWS / GLOWS === */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.6);
  --glow-brand:    0 0 40px rgba(59, 154, 91, 0.35), 0 0 80px rgba(59, 154, 91, 0.15);
  --glow-brand-sm: 0 0 20px rgba(59, 154, 91, 0.25);
  --glow-accent:   0 0 40px rgba(59, 154, 91, 0.3);

  /* === SPACING === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
  --space-40: 160px;

  /* === TYPOGRAPHY === */
  --font-sans: 'Plus Jakarta Sans', 'Arboria', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;
  --text-5xl: 48px;
  --text-6xl: 60px;
  --text-7xl: 72px;
  --text-8xl: 96px;
  --text-9xl: 120px;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* === MOTION === */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --duration-slower: 600ms;
  --duration-slowest: 900ms;

  /* === LAYOUT === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
  --container-max: 1536px;
}