/**
 * ==============================================================================
 * ALKAYS.UZ - DESIGN TOKENS & CSS VARIABLES
 * File: assets/css/variables.css
 * ==============================================================================
 */

:root {
  /* --- Brand & Dark Canvas Colors --- */
  --bg-darkest: #04070d;
  --bg-primary: #06090f;
  --bg-secondary: #0a0f1d;
  --bg-tertiary: #11182c;
  --bg-elevated: #16203a;
  
  /* --- Glassmorphism & Translucent Layers --- */
  --bg-card: rgba(10, 15, 29, 0.75);
  --bg-card-hover: rgba(17, 24, 44, 0.85);
  --bg-glass: rgba(10, 15, 29, 0.65);
  --bg-glass-heavy: rgba(6, 9, 15, 0.9);
  --bg-overlay: rgba(4, 7, 13, 0.85);

  /* --- Electric Accents & Engineering Colors --- */
  --accent-cyan: #00f2fe;
  --accent-sky: #38bdf8;
  --accent-blue: #0ea5e9;
  --accent-deep-blue: #2563eb;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* --- Gradients --- */
  --gradient-accent: linear-gradient(135deg, #00f2fe 0%, #38bdf8 50%, #6366f1 100%);
  --gradient-accent-reverse: linear-gradient(135deg, #6366f1 0%, #38bdf8 50%, #00f2fe 100%);
  --gradient-cyan-blue: linear-gradient(135deg, #00f2fe 0%, #0ea5e9 100%);
  --gradient-dark-glass: linear-gradient(180deg, rgba(17, 24, 44, 0.8) 0%, rgba(10, 15, 29, 0.9) 100%);
  --gradient-glow: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(6, 9, 15, 0) 70%);

  /* --- Text Colors --- */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;
  --text-cyan: #38bdf8;
  --text-white: #ffffff;

  /* --- Borders & Outlines --- */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(56, 189, 248, 0.12);
  --border-card-hover: rgba(56, 189, 248, 0.35);
  --border-accent: rgba(0, 242, 254, 0.4);

  /* --- Shadows --- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.7);
  --shadow-glow-cyan: 0 0 25px rgba(0, 242, 254, 0.25);
  --shadow-glow-blue: 0 0 30px rgba(56, 189, 248, 0.2);

  /* --- Typography --- */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Roboto Mono', Menlo, Monaco, Consolas, monospace;

  /* --- 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 */

  /* --- Border Radius --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Layout & Spacing --- */
  --container-max: 1280px;
  --header-height: 76px;
  --section-spacing-y: 100px;
  --section-spacing-sm-y: 60px;

  /* --- Z-Indexes --- */
  --z-bg: 0;
  --z-base: 1;
  --z-card: 10;
  --z-sticky: 100;
  --z-header: 500;
  --z-modal-backdrop: 900;
  --z-modal: 1000;
  --z-toast: 1100;
}

[data-theme="light"] {
  /* --- Brand & Light Canvas Colors --- */
  --bg-darkest: #e2e8f0;
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: #ffffff;
  
  /* --- Glassmorphism & Translucent Layers (Light) --- */
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-glass-heavy: rgba(248, 250, 252, 0.95);
  --bg-overlay: rgba(15, 23, 42, 0.65);

  /* --- Electric Accents & Engineering Colors (Light) --- */
  --accent-cyan: #0284c7;
  --accent-sky: #0369a1;
  --accent-blue: #2563eb;
  --accent-deep-blue: #1d4ed8;
  --accent-indigo: #4f46e5;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  /* --- Gradients --- */
  --gradient-accent: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4f46e5 100%);
  --gradient-accent-reverse: linear-gradient(135deg, #4f46e5 0%, #2563eb 50%, #0284c7 100%);
  --gradient-cyan-blue: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  --gradient-dark-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
  --gradient-glow: radial-gradient(circle, rgba(2, 132, 199, 0.12) 0%, rgba(248, 250, 252, 0) 70%);

  /* --- Text Colors (Light) --- */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-cyan: #0284c7;
  --text-white: #0f172a;

  /* --- Borders & Outlines --- */
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-card: rgba(2, 132, 199, 0.18);
  --border-card-hover: rgba(2, 132, 199, 0.45);
  --border-accent: rgba(2, 132, 199, 0.4);

  /* --- Shadows --- */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px -8px rgba(15, 23, 42, 0.12);
  --shadow-glow-cyan: 0 0 25px rgba(2, 132, 199, 0.2);
  --shadow-glow-blue: 0 0 30px rgba(37, 99, 235, 0.15);
}