/**
 * Design tokens – B2B raktározási és logisztikai tanácsadó
 * BEM-friendly, mobile-first
 */

:root {
  /* === Colors === */
  --color-bg: #12101e;
  --color-bg-from: #262040;
  --color-bg-mid: #1a1635;
  --color-bg-to: #141028;
  --color-bg-elevated: #1e1a38;
  --color-bg-card: #1e1a38;
  --color-bg-card-hover: #252042;

  --color-text: #e4e4e7;
  --color-text-muted: #a1a1aa;
  --color-text-inverse: #0a0a0f;

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-muted: rgba(59, 130, 246, 0.15);
  --color-primary-glow: rgba(59, 130, 246, 0.35);

  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-muted: rgba(245, 158, 11, 0.15);
  --color-accent-glow: rgba(245, 158, 11, 0.35);

  --color-border: #352e50;
  --color-border-focus: #3b82f6;

  --color-error: #ef4444;
  --color-success: #f59e0b;
  --color-warning: #f59e0b;

  /* === Typography === */
  --font-sans: "Source Sans 3", system-ui, -apple-system, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* === Spacing (8px base) === */
  --space-0: 0;
  --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 */

  /* === Layout === */
  --container-max: 75rem;
  --container-narrow: 45rem;
  --container-wide: 90rem;

  --header-height: 4rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 40px var(--color-primary-glow);
  --shadow-glow-accent: 0 0 40px var(--color-accent-glow);

  /* === Transitions === */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* === Z-index === */
  --z-dropdown: 100;
  --z-nav-panel: 260;
  --z-sticky: 200;
  --z-modal: 320;
  --z-toast: 420;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
  }
}