/**
 * moj.golf - Global Styles v25
 * Design System zgodny z docs/styleguide.md
 */

/* =============================================================================
   1. CSS VARIABLES - Design Tokens
   ============================================================================= */

:root {
  /* ===== KOLORY - Paleta Główna ===== */
  /* Zielenie Golfowe */
  --color-green-fairway-light: #8BC34A;
  --color-green-fairway: #7CB342;
  --color-green-green: #558B2F;
  --color-green-dark: #33691E;

  /* Ciemne kolory główne (footer, nav overrides) */
  --color-dark-primary: #1E3A3A;
  --color-dark-secondary: #152828;

  /* Kolory Akcentujące - Naturalna Paleta */
  --color-gold: #D4AF37;
  --color-beige: #E8DCC4;
  --color-brown: #8B7355;
  --color-sand: #C2B280;

  /* Kolory Neutralne */
  --color-white: #FFFFFF;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #EEEEEE;
  --color-gray-300: #E0E0E0;
  --color-gray-400: #BDBDBD;
  --color-gray-500: #9E9E9E;
  --color-gray-600: #757575;
  --color-gray-700: #616161;
  --color-gray-800: #424242;
  --color-gray-900: #212121;
  --color-black: #000000;

  /* Kolory Semantyczne */
  --color-success: #4CAF50;
  --color-success-light: #81C784;
  --color-success-dark: #388E3C;

  --color-error: #E53935;
  --color-error-light: #EF5350;
  --color-error-dark: #C62828;

  --color-warning: #FFA726;
  --color-warning-light: #FFB74D;
  --color-warning-dark: #F57C00;

  --color-info: #42A5F5;
  --color-info-light: #64B5F6;
  --color-info-dark: #1976D2;

  /* ===== TYPOGRAFIA ===== */
  /* Font Family */
  --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                  Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono',
               Courier, monospace;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Font Sizes - Desktop (768px+) */
  --font-size-h1: 48px;
  --font-size-h2: 36px;
  --font-size-h3: 28px;
  --font-size-h4: 24px;
  --font-size-h5: 20px;
  --font-size-h6: 18px;
  --font-size-body-lg: 18px;
  --font-size-body: 16px;
  --font-size-body-sm: 14px;
  --font-size-body-xs: 12px;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* ===== SPACING SYSTEM ===== */
  /* Base unit: 8px */
  --spacing-0: 0;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 24px;
  --spacing-6: 32px;
  --spacing-7: 40px;
  --spacing-8: 48px;
  --spacing-9: 56px;
  --spacing-10: 64px;
  --spacing-12: 96px;
  --spacing-16: 128px;
  --spacing-20: 160px;

  /* Component Spacing */
  --padding-button-sm: var(--spacing-2) var(--spacing-4);
  --padding-button-md: var(--spacing-3) var(--spacing-6);
  --padding-button-lg: var(--spacing-4) var(--spacing-8);
  --padding-input: var(--spacing-3) var(--spacing-4);
  --padding-card: var(--spacing-6);
  --padding-card-sm: var(--spacing-4);

  /* Section Spacing */
  --section-spacing-mobile: var(--spacing-8);
  --section-spacing-tablet: var(--spacing-10);
  --section-spacing-desktop: var(--spacing-12);

  /* Element Margins */
  --margin-element-sm: var(--spacing-2);
  --margin-element-md: var(--spacing-4);
  --margin-element-lg: var(--spacing-6);
  --margin-element-xl: var(--spacing-8);

  /* ===== BREAKPOINTS ===== */
  --breakpoint-mobile: 390px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-wide: 1280px;
  --breakpoint-ultrawide: 1536px;

  /* ===== SHADOWS ===== */
  --shadow-none: none;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);

  /* ===== ANIMACJE ===== */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;

  /* ===== IKONY ===== */
  --icon-size-sm: 16px;
  --icon-size-md: 24px;
  --icon-size-lg: 32px;
  --icon-size-xl: 48px;
}

/* =============================================================================
   2. CSS RESET & BASE STYLES
   ============================================================================= */

/* Box sizing reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin & padding */
* {
  margin: 0;
  padding: 0;
}

/* HTML & Body */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  min-height: 100vh;
}

/* Prevent layout shift during header loading */
body.page-loading {
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

body.page-loaded {
  opacity: 1;
}

/* =============================================================================
   3. TYPOGRAFIA
   ============================================================================= */

/* Headings */
h1, .h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-green-dark);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-4);
}

h2, .h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-green-green);
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-4);
}

h3, .h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-green-green);
  margin-bottom: var(--spacing-3);
}

h4, .h4 {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-3);
}

h5, .h5 {
  font-size: var(--font-size-h5);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-2);
}

h6, .h6 {
  font-size: var(--font-size-h6);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-2);
}

/* Body Text */
p {
  margin-bottom: var(--spacing-4);
}

.lead {
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

.small, small {
  font-size: var(--font-size-body-sm);
  color: var(--color-gray-600);
}

/* Links */
a {
  color: var(--color-green-fairway);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-in-out);
}

a:hover {
  color: var(--color-green-green);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-green-fairway);
  outline-offset: 2px;
  border-radius: 2px;
}

/* =============================================================================
   4. LAYOUT SYSTEM
   ============================================================================= */

/* Container */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  max-width: 100%;
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-5 { gap: var(--spacing-5); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

/* =============================================================================
   5. UTILITY CLASSES
   ============================================================================= */

/* Spacing Utilities */
.mt-0 { margin-top: var(--spacing-0); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-0 { margin-bottom: var(--spacing-0); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Visibility */
.hide-mobile { display: none; }
.show-mobile { display: block; }

/* =============================================================================
   6. RESPONSIVE - Mobile (390px - 767px)
   ============================================================================= */

@media (max-width: 767px) {
  /* Typografia Mobile */
  :root {
    --font-size-h1: 32px;
    --font-size-h2: 28px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --font-size-h5: 18px;
    --font-size-h6: 16px;
    --font-size-body-lg: 17px;
  }

  /* Spacing Mobile */
  .container {
    padding: 0 var(--spacing-4);
  }

  /* Hide/Show */
  .hide-mobile {
    display: none !important;
  }

  .show-mobile {
    display: block;
  }
}

/* =============================================================================
   7. RESPONSIVE - Tablet (768px+)
   ============================================================================= */

@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding: 0 var(--spacing-5);
  }

  /* Grid Tablet */
  .grid-cols-md-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-md-3 { grid-template-columns: repeat(3, 1fr); }
  .gap-md-6 { gap: var(--spacing-6); }

  /* Hide/Show */
  .hide-desktop {
    display: none !important;
  }

  .hide-mobile {
    display: block;
  }

  .show-mobile {
    display: none;
  }
}

/* =============================================================================
   8. RESPONSIVE - Desktop (1024px+)
   ============================================================================= */

@media (min-width: 1024px) {
  .container {
    max-width: 960px;
    padding: 0 var(--spacing-6);
  }

  /* Grid Desktop */
  .grid-cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
  .gap-lg-8 { gap: var(--spacing-8); }
}

/* =============================================================================
   9. RESPONSIVE - Wide (1280px+)
   ============================================================================= */

@media (min-width: 1280px) {
  html {
    font-size: 17px;
  }

  .container {
    max-width: 1200px;
  }
}

/* =============================================================================
   10. RESPONSIVE - Ultrawide (1536px+)
   ============================================================================= */

@media (min-width: 1536px) {
  .container {
    max-width: 1400px;
  }
}

/* =============================================================================
   11. ACCESSIBILITY
   ============================================================================= */

/* Focus States */
*:focus-visible {
  outline: 2px solid var(--color-green-fairway);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-green-green);
  color: var(--color-white);
  padding: var(--spacing-2) var(--spacing-4);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}