/* Variables */
:root {
  /* Colors */
  --color-background: #f5f1e8; /* parchment beige */
  --color-text: #2c2416; /* dark brown */
  --color-primary: #b5651d; /* terracotta clay */
  --color-success: #4a7c59; /* olive green */
  --color-warning: #d4a017; /* muted bronze */
  --color-danger: #8b4513; /* danger brown */
  --color-gray-50: #f9f9f9;
  --color-gray-100: #f2f2f2;
  --color-gray-200: #e6e6e6;
  --color-gray-300: #d9d9d9;
  --color-gray-400: #bfbfbf;
  --color-gray-500: #a6a6a6;
  --color-gray-600: #8c8c8c;
  --color-gray-700: #737373;
  --color-gray-800: #595959;
  --color-gray-900: #404040;
  /* Typography */
  --font-family-heading: "Georgia", "Times New Roman", serif;
  --font-family-body: "Arial", "Helvetica", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-loose: 1.75;
  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  /* Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
}

/* Reset / Normalize */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: var(--line-height-normal);
}

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

/* Base Styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: bold;
  margin-bottom: var(--spacing-4);
}

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

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

a:hover {
  text-decoration: underline;
}

p {
  margin-bottom: var(--spacing-4);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.grid { display: grid; }
.gap-4 { gap: var(--spacing-4); }

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

/* Basic Components */
.btn {
  display: inline-block;
  padding: var(--spacing-3) var(--spacing-6);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn:hover {
  background-color: color-mix(in srgb, var(--color-primary) 80%, black);
}

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

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

.input {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  background-color: white;
  color: var(--color-text);
}

.input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(181, 101, 29, 0.1);
}

.card {
  background-color: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-6);
}

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

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