/* ============================================
   ZŁOTA PRACOWNIA - BASE STYLES
   Luxury Polish Jewelry E-commerce Foundation
   ============================================ */

/* ----------------------------------------
   VARIABLES
   ---------------------------------------- */
:root {
  /* Color Palette - Luxury Gold & Charcoal */
  --color-background: #FAF9F6;
  --color-background-alt: #F5F2ED;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  
  --color-text: #1A1A1A;
  --color-text-secondary: #4A4A4A;
  --color-text-muted: #8B8680;
  
  --color-primary: #C5A028;
  --color-primary-hover: #B08D1E;
  --color-primary-light: #F4E4BC;
  --color-primary-subtle: #FAF6EB;
  
  --color-charcoal: #2C2C2C;
  --color-charcoal-light: #3D3D3D;
  
  --color-border: #E8E0D5;
  --color-border-light: #F0EBE3;
  
  --color-success: #2D5A3D;
  --color-warning: #B8860B;
  --color-danger: #8B2635;
  
  /* Typography - Refined & Elegant */
  --font-serif: 'Playfair Display', 'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans: 'Inter', 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --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;
  
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* Spacing Scale - Generous for Luxury Feel */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-48: 12rem;
  --space-64: 16rem;
  --space-96: 24rem;
  
  /* Border Radius - Subtle Sophistication */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
  
  /* Shadows - Soft & Warm */
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(26, 26, 26, 0.06), 0 2px 4px -1px rgba(26, 26, 26, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(26, 26, 26, 0.08), 0 4px 6px -2px rgba(26, 26, 26, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(26, 26, 26, 0.1), 0 10px 10px -5px rgba(26, 26, 26, 0.04);
  --shadow-gold: 0 4px 20px rgba(197, 160, 40, 0.15);
  
  /* Transitions - Smooth & Deliberate */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-colors: color 300ms ease, background-color 300ms ease, border-color 300ms ease;
  
  /* Layout */
  --container-max: 1400px;
  --container-padding: 1.5rem;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 3rem;
  }
}

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

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

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

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

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* ----------------------------------------
   BASE STYLES
   ---------------------------------------- */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-charcoal);
}

h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-2);
}

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

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

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

a {
  transition: var(--transition-colors);
}

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

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

:focus:not(:focus-visible) {
  outline: none;
}

.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;
}

.sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ----------------------------------------
   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 Utilities */
.flex {
  display: flex;
}

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

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

.justify-center {
  justify-content: center;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-8 {
  gap: var(--space-8);
}

/* Grid Utilities */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Spacing Utilities */
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

/* ----------------------------------------
   COMPONENTS
   ---------------------------------------- */

/* Buttons - Luxury Styling */
.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-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-surface)!important;
  border-color: var(--color-primary);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

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

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

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

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

/* Form Inputs - Refined */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

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

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

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

.input:disabled {
  background-color: var(--color-background-alt);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Cards - Elegant Product Cards */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background-color: var(--color-background-alt);
}

.card__content {
  padding: var(--space-6);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-charcoal);
}

.card__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.card__price {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-top: var(--space-3);
}

/* Navigation Links */
.nav-link {
  position: relative;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-charcoal);
}

.nav-link:hover::after {
  width: 100%;
}

/* Selection Color */
::selection {
  background-color: var(--color-primary-light);
  color: var(--color-charcoal);
}