/* =========================================
   NodeNepal.com — Design Tokens & Theming
   ========================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ---- Color Palette: Light Theme (Default) ---- */
  --color-primary: #2563EB;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1D4ED8;
  --color-primary-50: #EFF6FF;
  --color-primary-100: #DBEAFE;
  --color-primary-200: #BFDBFE;
  --color-primary-500: #3B82F6;
  --color-primary-600: #2563EB;
  --color-primary-700: #1D4ED8;
  --color-primary-900: #1E3A8A;

  --color-accent: #10B981;
  --color-accent-light: #34D399;
  --color-accent-dark: #059669;
  --color-accent-50: #ECFDF5;

  --color-secondary: #8B5CF6;
  --color-secondary-light: #A78BFA;
  --color-secondary-dark: #7C3AED;

  --color-warning: #F59E0B;
  --color-warning-light: #FBBF24;
  --color-warning-bg: #FFFBEB;

  --color-danger: #EF4444;
  --color-danger-light: #F87171;
  --color-danger-bg: #FEF2F2;

  --color-info: #06B6D4;
  --color-info-light: #22D3EE;

  /* ---- Surfaces ---- */
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-hover: #F1F5F9;
  --bg-surface-elevated: #FFFFFF;
  --bg-muted: #F1F5F9;
  --bg-input: #FFFFFF;
  --bg-code: #F1F5F9;

  /* ---- Text ---- */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;
  --text-link: var(--color-primary);
  --text-link-hover: var(--color-primary-dark);

  /* ---- Borders ---- */
  --border-default: #E2E8F0;
  --border-light: #F1F5F9;
  --border-focus: var(--color-primary);
  --border-input: #CBD5E1;

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 6px 16px rgba(0,0,0,0.04);

  /* ---- Glassmorphism ---- */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 12px;

  /* ---- Header ---- */
  --header-bg: rgba(255, 255, 255, 0.85);
  --header-border: var(--border-default);

  /* ---- Hero ---- */
  --hero-gradient: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 30%, #E0E7FF 60%, #EDE9FE 100%);
  --hero-text: var(--text-primary);

  /* ---- Pricing Card Popular ---- */
  --popular-gradient: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --popular-glow: 0 8px 32px rgba(37, 99, 235, 0.25);

  /* ---- Scrollbar ---- */
  --scrollbar-track: #F1F5F9;
  --scrollbar-thumb: #CBD5E1;
  --scrollbar-thumb-hover: #94A3B8;

  /* ---- Typography ---- */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

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

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --fw-black: 900;

  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.625;

  --ls-tight: -0.025em;
  --ls-normal: 0;
  --ls-wide: 0.025em;
  --ls-wider: 0.05em;

  /* ---- Spacing ---- */
  --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-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 */

  /* ---- Border Radius ---- */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Z-Index ---- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;

  /* ---- Container ---- */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
}

/* =========================================
   Dark Theme
   ========================================= */
[data-theme="dark"] {
  /* ---- Surfaces ---- */
  --bg-body: #0B1120;
  --bg-surface: #1E293B;
  --bg-surface-hover: #334155;
  --bg-surface-elevated: #1E293B;
  --bg-muted: #1E293B;
  --bg-input: #0F172A;
  --bg-code: #1E293B;

  /* ---- Colors ---- */
  --color-primary: #3B82F6;
  --color-primary-light: #60A5FA;
  --color-primary-dark: #2563EB;
  --color-primary-50: rgba(59, 130, 246, 0.08);
  --color-primary-100: rgba(59, 130, 246, 0.15);

  --color-accent: #34D399;
  --color-accent-light: #6EE7B7;
  --color-accent-dark: #10B981;

  /* ---- Text ---- */
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --text-inverse: #0F172A;

  /* ---- Borders ---- */
  --border-default: #334155;
  --border-light: #1E293B;
  --border-input: #475569;

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.35), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.2);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.25), 0 0 1px rgba(59,130,246,0.1);

  /* ---- Glassmorphism ---- */
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(71, 85, 105, 0.3);

  /* ---- Header ---- */
  --header-bg: rgba(11, 17, 32, 0.85);
  --header-border: rgba(51, 65, 85, 0.5);

  /* ---- Hero ---- */
  --hero-gradient: linear-gradient(135deg, #0B1120 0%, #1E1B4B 40%, #172554 70%, #0B1120 100%);
  --hero-text: #F1F5F9;

  /* ---- Pricing ---- */
  --popular-glow: 0 8px 32px rgba(59, 130, 246, 0.35);

  /* ---- Warning/Danger in dark ---- */
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-danger-bg: rgba(239, 68, 68, 0.1);

  /* ---- Scrollbar ---- */
  --scrollbar-track: #1E293B;
  --scrollbar-thumb: #475569;
  --scrollbar-thumb-hover: #64748B;
}