/* ==========================================================================
   WyciekiPro — Design Tokens (CSS Custom Properties)
   Light aqua/water theme — professional, clean, trustworthy
   ========================================================================== */

:root {
  /* ── Color Palette ─────────────────────────────────────────────────── */
  
  /* Primary — Deep professional blue (trust & reliability) */
  --color-primary: hsl(210, 65%, 28%);
  --color-primary-light: hsl(210, 55%, 40%);
  --color-primary-dark: hsl(210, 70%, 18%);
  
  /* Accent — Aqua/Cyan (water, freshness, clarity) */
  --color-accent: hsl(195, 85%, 48%);
  --color-accent-light: hsl(195, 90%, 62%);
  --color-accent-dark: hsl(195, 80%, 38%);
  --color-accent-glow: hsla(195, 100%, 55%, 0.3);
  
  /* CTA / Emergency — Warm amber/orange */
  --color-cta: hsl(25, 95%, 53%);
  --color-cta-hover: hsl(25, 95%, 60%);
  --color-cta-dark: hsl(25, 90%, 45%);
  
  /* Success */
  --color-success: hsl(155, 65%, 42%);
  
  /* Backgrounds — Light, airy, water-inspired */
  --color-bg: hsl(200, 20%, 99%);
  --color-bg-alt: hsl(200, 18%, 96%);
  --color-bg-card: hsl(0, 0%, 100%);
  --color-bg-hero: linear-gradient(135deg, hsl(210, 65%, 28%) 0%, hsl(200, 55%, 35%) 50%, hsl(195, 60%, 42%) 100%);
  --color-bg-section-dark: hsl(210, 50%, 24%);
  
  /* Text */
  --color-text: hsl(210, 25%, 18%);
  --color-text-light: hsl(210, 15%, 45%);
  --color-text-muted: hsl(210, 10%, 60%);
  --color-text-on-dark: hsl(200, 20%, 95%);
  --color-text-on-dark-muted: hsl(200, 15%, 72%);
  
  /* Borders & Shadows */
  --color-border: hsl(200, 15%, 90%);
  --color-border-light: hsl(200, 10%, 94%);
  --shadow-sm: 0 1px 3px hsla(210, 30%, 15%, 0.06);
  --shadow-md: 0 4px 12px hsla(210, 30%, 15%, 0.08);
  --shadow-lg: 0 8px 30px hsla(210, 30%, 15%, 0.12);
  --shadow-xl: 0 16px 50px hsla(210, 30%, 15%, 0.15);
  --shadow-accent: 0 4px 20px hsla(195, 85%, 48%, 0.2);
  --shadow-card-hover: 0 12px 40px hsla(195, 85%, 48%, 0.15);
  
  /* ── Typography ────────────────────────────────────────────────────── */
  --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Roboto Mono', 'Consolas', monospace;
  
  /* Font sizes — fluid scale */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.81rem, 0.77rem + 0.25vw, 0.95rem); /* Reduced 15% mobile, 10% PC */
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.85rem, 1.5rem + 1.75vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  
  /* Font weights */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  
  /* Line heights */
  --lh-tight: 1.2;
  --lh-snug: 1.35;
  --lh-normal: 1.6;
  --lh-relaxed: 1.75;
  
  /* ── Spacing (reduced ~10%) ──────────────────────────────────────────── */
  --space-xs: 0.2rem;     /* 3px */
  --space-sm: 0.45rem;    /* 7px */
  --space-md: 0.9rem;     /* 14px */
  --space-lg: 1.35rem;    /* 22px */
  --space-xl: 1.8rem;     /* 29px */
  --space-2xl: 2.7rem;    /* 43px */
  --space-3xl: 3.6rem;    /* 58px */
  --space-4xl: 5.4rem;    /* 86px */
  --space-section: clamp(1.4rem, 1.1rem + 1.8vw, 2.5rem);
  
  /* ── Layout ────────────────────────────────────────────────────────── */
  --container-max: 1200px;
  --container-narrow: 900px;
  --container-padding: clamp(1rem, 0.5rem + 2.5vw, 2rem);
  
  /* ── Border Radius ─────────────────────────────────────────────────── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* ── Transitions ───────────────────────────────────────────────────── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* ── Z-index Scale ─────────────────────────────────────────────────── */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 50;
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}