/* ============================================================
   UNMOZI Website - CSS Custom Properties
   ============================================================ */

:root {
  /* === Color Palette === */

  /* Backgrounds — clean light tones */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;

  /* Accent - Tech Orange */
  --color-accent-50: #fff7ed;
  --color-accent-100: #fed7aa;
  --color-accent-200: #fdba74;
  --color-accent-300: #fb923c;
  --color-accent-400: #f97316;
  --color-accent-500: #ea580c;
  --color-accent-600: #c2410c;
  --color-accent-700: #9a3412;

  /* Secondary - Amber / Warm Gold */
  --color-cyan-300: #fbbf24;
  --color-cyan-400: #f59e0b;
  --color-cyan-500: #d97706;

  /* Text */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Status */
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Borders */
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-light: rgba(0, 0, 0, 0.04);

  /* === Gradients === */
  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent-400), var(--color-cyan-500));
  --gradient-accent-hover: linear-gradient(135deg, var(--color-accent-500), var(--color-cyan-400));
  --gradient-card: linear-gradient(180deg, #ffffff 0%, var(--color-bg-secondary) 100%);
  --gradient-text: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-400));
  --gradient-divider: linear-gradient(90deg, transparent, var(--color-accent-400), transparent);
  --gradient-section: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);

  /* === Typography === */

  /* Font Family */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 3.75rem;   /* 60px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;

  /* === 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;

  /* === Layout === */
  --header-height: 72px;
  --container-max: 1200px;

  /* === Border Radius === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow-accent: 0 0 40px rgba(249, 115, 22, 0.12);
  --shadow-glow-amber: 0 0 40px rgba(245, 158, 11, 0.08);

  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-slower: 800ms ease;

  /* === Z-Index Scale === */
  --z-base: 1;
  --z-dropdown: 50;
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}