/* ==========================================================================
   VARIABLES
   ========================================================================== */
:root {
  /* Colors - Luxurious Light Theme (White, Gold, Burgundy, Emerald) */
  --color-bg: #f5f5f5;
  --color-text: #1a1a1a;
  --color-primary: #c9932e;
  --color-primary-hover: #a0762a;
  --color-secondary: #6b0015;
  --color-success: #4a9d6f;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  
  /* Neutral Grays */
  --color-gray-100: #e5e5e5;
  --color-gray-200: #d0d0d0;
  --color-gray-300: #b0b0b0;
  --color-gray-400: #8a8a8a;
  --color-gray-500: #707070;
  --color-gray-600: #5a5a5a;
  --color-gray-700: #3a3a3a;
  --color-gray-800: #e8e8e8;
  --color-gray-900: #f0f0f0;

  /* Typography */
  --font-sans: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Font Sizes */
  --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;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing Scale (0 - 96px) */
  --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;

  /* Borders & Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
  --shadow-gold: 0 4px 14px 0 rgba(201, 147, 46, 0.12);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.d-flex {
  display: flex;
}

.d-grid {
  display: grid;
}

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

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

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

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

.gap-6 {
    gap: var(--space-6);
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mt-0 {
    margin-top: 0;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

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

.mb-12 {
    margin-bottom: var(--space-24);
}

.max-w-prose {
    max-width: 65ch;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-3xl {
    max-width: 50rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.overflow-hidden {
    overflow: hidden;
}

.rounded {
    border-radius: var(--radius-lg);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-sm {
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

/* Base Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-bg);
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-gold);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: none;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Button Variants */

/* Outline Button */
.btn.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
  padding: var(--space-2) var(--space-5);
}

.btn.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  box-shadow: var(--shadow-gold);
}

/* Large Button */
.btn.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 48px;
}

/* Small Button */
.btn.btn-small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
}

/* Ghost/Text Button */
.btn.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
  border: none;
  box-shadow: none;
  padding: var(--space-2) var(--space-3);
}

.btn.btn-ghost:hover {
  background-color: rgba(201, 147, 46, 0.1);
  color: var(--color-primary-hover);
}

/* Secondary Button */
.btn.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-text);
  box-shadow: 0 4px 14px rgba(107, 0, 21, 0.12);
}

.btn.btn-secondary:hover {
  background-color: rgba(107, 0, 21, 0.8);
  color: var(--color-text);
}

/* Success Button */
.btn.btn-success {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text);
  box-shadow: 0 4px 14px rgba(74, 157, 111, 0.12);
}

.btn.btn-success:hover {
  background-color: rgba(74, 157, 111, 0.8);
  color: var(--color-text);
}

/* Warning Button */
.btn.btn-warning {
  background-color: var(--color-warning);
  border-color: var(--color-warning);
  color: var(--color-text);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.12);
}

.btn.btn-warning:hover {
  background-color: rgba(217, 119, 6, 0.8);
  color: var(--color-text);
}

/* Danger Button */
.btn.btn-danger {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: var(--color-text);
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.12);
}

.btn.btn-danger:hover {
  background-color: rgba(220, 38, 38, 0.8);
  color: var(--color-text);
}

/* Full Width Button */
.btn.btn-full {
  width: 100%;
}

/* Button Group */
.btn-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.btn-group.btn-group--vertical {
  flex-direction: column;
}

/* Responsive Button Styles */
@media (max-width: 768px) {
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    min-height: 44px;
  }

  .btn.btn-large {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
  }

  .btn.btn-group {
    gap: var(--space-2);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }

  .btn:hover {
    transform: none;
  }

  .btn:active {
    transform: none;
  }
}

/* Inputs */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

/* Cards */
.card {
  background-color: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* ==========================================================================
   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;
  }
}