/* ============================================
   VARIABLES
   ============================================ */
:root {
  /* Luxury Color Palette - Charcoal, Ivory, Burnished Gold */
  --color-bg: #FAF9F6; /* Warm Ivory */
  --color-bg-elevated: #FFFFFF;
  --color-text: #1C1917; /* Deep Charcoal */
  --color-text-secondary: #57534E;
  --color-text-muted: #A8A29E;
  
  /* Burnished Gold - Primary */
  --color-primary: #B8956B;
  --color-primary-hover: #9A7B56;
  --color-primary-light: rgba(184, 149, 107, 0.15);
  
  /* Semantic Colors */
  --color-success: #4A5D4F; /* Muted Forest */
  --color-warning: #B8956B; /* Gold */
  --color-danger: #7C3A3A; /* Deep Burgundy */
  
  /* Warm Neutral Grays */
  --color-gray-50: #FAFAF8;
  --color-gray-100: #F5F5F3;
  --color-gray-200: #E7E5E2;
  --color-gray-300: #D6D3CF;
  --color-gray-400: #A8A29C;
  --color-gray-500: #78716C;
  --color-gray-600: #57534E;
  --color-gray-700: #44403C;
  --color-gray-800: #292524;
  --color-gray-900: #1C1917;
  
  /* Typography - Polish Language Support (Latin Extended) */
  --font-serif: 'Cormorant Garamond', 'Playfair Display', 'Libre Baskerville', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  
  /* Scale: 1rem = 16px */
  --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 */
  
  /* Line Heights - Editorial */
  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;
  
  /* Spacing Scale (0-96px, 4px 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 */
  
  /* Radius - Subtle luxury */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;
  
  /* Shadows - Soft, cinematic */
  --shadow-sm: 0 1px 2px 0 rgba(28, 25, 23, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(28, 25, 23, 0.05), 0 2px 4px -2px rgba(28, 25, 23, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(28, 25, 23, 0.05), 0 4px 6px -4px rgba(28, 25, 23, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(28, 25, 23, 0.05), 0 8px 10px -6px rgba(28, 25, 23, 0.01);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --container-max: 1440px;
  --container-padding: var(--space-4);
}

@media (min-width: 640px) {
  :root { --container-padding: var(--space-6); }
}

@media (min-width: 1024px) {
  :root { --container-padding: var(--space-8); }
}

/* ============================================
   RESET & NORMALIZE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: -webkit-optimize-contrast;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================
   BASE STYLES
   ============================================ */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  letter-spacing: -0.01em;
}

/* Editorial Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); text-transform: uppercase; letter-spacing: 0.1em; }

@media (min-width: 768px) {
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
  h3 { font-size: var(--text-3xl); }
}

@media (min-width: 1024px) {
  h1 { font-size: var(--text-6xl); }
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

a {
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-bg-elevated);
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   COMPONENTS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background-color: var(--color-text);
  color: var(--color-bg);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.btn--outline-gold {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-gold:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:hover {
  border-color: var(--color-gray-400);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.card {
  background-color: var(--color-bg-elevated);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* ============================================
   VISIBILITY ANIMATIONS
   ============================================ */
.is-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
  visibility: visible !important;
}