/**
 * Code Solutions LLC - Design System
 * Version: 1.0
 * Last Updated: 2026-01-27
 *
 * This CSS file contains all design tokens and base styles
 * for the Code Solutions LLC website.
 */

/* =============================================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================================= */

:root {
  /* -----------------------------------------------------------------------------
     Colors - Primary
     ----------------------------------------------------------------------------- */
  --color-primary-900: #1a365d;
  --color-primary-800: #1e3a5f;
  --color-primary-700: #2c5282;
  --color-primary-600: #2b6cb0;
  --color-primary-500: #3182ce;

  /* Colors - Accent */
  --color-accent-600: #0d9488;
  --color-accent-500: #14b8a6;
  --color-accent-400: #2dd4bf;

  /* Colors - Semantic */
  --color-success-600: #059669;
  --color-success-500: #10b981;
  --color-warning-600: #d97706;
  --color-warning-500: #f59e0b;
  --color-error-600: #dc2626;
  --color-error-500: #ef4444;
  --color-info-600: #0284c7;
  --color-info-500: #0ea5e9;

  /* Colors - Neutral */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* -----------------------------------------------------------------------------
     Semantic Colors (Theme-aware)
     These are the colors that change between light and dark mode
     ----------------------------------------------------------------------------- */
  --color-bg-primary: var(--color-white);
  --color-bg-secondary: var(--color-gray-50);
  --color-bg-tertiary: var(--color-gray-100);
  --color-bg-inverse: var(--color-gray-900);

  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  --color-text-inverse: var(--color-white);

  --color-border-primary: var(--color-gray-200);
  --color-border-secondary: var(--color-gray-300);

  --color-surface-card: var(--color-white);
  --color-surface-header: var(--color-white);
  --color-surface-footer: var(--color-gray-900);

  /* -----------------------------------------------------------------------------
     Typography
     ----------------------------------------------------------------------------- */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;

  /* Font Sizes */
  --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 */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* -----------------------------------------------------------------------------
     Spacing
     ----------------------------------------------------------------------------- */
  --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 */
  --space-32: 8rem;     /* 128px */

  /* -----------------------------------------------------------------------------
     Borders & Radius
     ----------------------------------------------------------------------------- */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;  /* 6px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-full: 9999px;

  --border-width: 1px;
  --border-width-2: 2px;

  /* -----------------------------------------------------------------------------
     Shadows
     ----------------------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* -----------------------------------------------------------------------------
     Transitions
     ----------------------------------------------------------------------------- */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* -----------------------------------------------------------------------------
     Layout
     ----------------------------------------------------------------------------- */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
}

/* =============================================================================
   DARK MODE THEME
   ============================================================================= */

/* Dark mode via data attribute (user preference) */
[data-theme="dark"] {
  --color-bg-primary: var(--color-gray-900);
  --color-bg-secondary: var(--color-gray-800);
  --color-bg-tertiary: var(--color-gray-700);
  --color-bg-inverse: var(--color-white);

  --color-text-primary: var(--color-gray-100);
  --color-text-secondary: var(--color-gray-300);
  --color-text-tertiary: var(--color-gray-400);
  --color-text-inverse: var(--color-gray-900);

  --color-border-primary: var(--color-gray-700);
  --color-border-secondary: var(--color-gray-600);

  --color-surface-card: var(--color-gray-800);
  --color-surface-header: var(--color-gray-900);
  --color-surface-footer: var(--color-gray-950, #030712);

  /* Adjusted shadows for dark mode */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

/* Auto dark mode based on system preference (when no explicit theme set) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg-primary: var(--color-gray-900);
    --color-bg-secondary: var(--color-gray-800);
    --color-bg-tertiary: var(--color-gray-700);
    --color-bg-inverse: var(--color-white);

    --color-text-primary: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-300);
    --color-text-tertiary: var(--color-gray-400);
    --color-text-inverse: var(--color-gray-900);

    --color-border-primary: var(--color-gray-700);
    --color-border-secondary: var(--color-gray-600);

    --color-surface-card: var(--color-gray-800);
    --color-surface-header: var(--color-gray-900);
    --color-surface-footer: var(--color-gray-950, #030712);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  }
}

/* =============================================================================
   BASE STYLES
   ============================================================================= */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--space-4);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-600);
}

a {
  color: var(--color-primary-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-600);
}

a:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 2px;
}

code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-sm);
}

pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-4);
  background-color: var(--color-gray-900);
  color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
}

/* =============================================================================
   LAYOUT UTILITIES
   ============================================================================= */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

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

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

.container-narrow {
  max-width: var(--container-md);
}

.container-wide {
  max-width: var(--container-2xl);
}

/* 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;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.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: 640px) {
  .sm\: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)); }
}

/* =============================================================================
   COMPONENTS - BUTTONS
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  text-decoration: none;
  border: var(--border-width-2) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 2px;
}

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

/* Primary Button */
.btn-primary {
  background-color: var(--color-accent-600);
  color: var(--color-white);
  border-color: var(--color-accent-600);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-accent-500);
  border-color: var(--color-accent-500);
  color: var(--color-white);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-900);
  border-color: var(--color-primary-900);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary-900);
  color: var(--color-white);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-700);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  color: var(--color-primary-900);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* =============================================================================
   COMPONENTS - CARDS
   ============================================================================= */

.card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

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

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

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.card-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-600);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

/* Feature Card Variant */
.card-feature {
  text-align: center;
  padding: var(--space-8);
}

.card-feature .card-icon {
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================================
   COMPONENTS - NAVIGATION
   ============================================================================= */

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  text-decoration: none;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-900);
  border-bottom-color: var(--color-accent-600);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-surface-header);
  border-bottom: 1px solid var(--color-border-primary);
  padding: var(--space-4) 0;
  transition: background-color var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-900);
  text-decoration: none;
}

/* =============================================================================
   COMPONENTS - HERO SECTION
   ============================================================================= */

.hero {
  padding: var(--space-24) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-tight);
}

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

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* =============================================================================
   COMPONENTS - SECTIONS
   ============================================================================= */

.section {
  padding: var(--space-16) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-900);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-alt {
  background-color: var(--color-bg-secondary);
}

/* =============================================================================
   COMPONENTS - THEME TOGGLE
   ============================================================================= */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Hide icons based on theme */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* Auto-detect dark mode for icon display */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun {
    display: block;
  }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon {
    display: none;
  }
}

/* =============================================================================
   COMPONENTS - BADGES
   ============================================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
}

.badge-success {
  background-color: color-mix(in srgb, var(--color-success-600) 15%, transparent);
  color: var(--color-success-600);
}

.badge-info {
  background-color: color-mix(in srgb, var(--color-info-600) 15%, transparent);
  color: var(--color-info-600);
}

.badge-warning {
  background-color: color-mix(in srgb, var(--color-warning-600) 15%, transparent);
  color: var(--color-warning-600);
}

/* =============================================================================
   COMPONENTS - TRUST INDICATORS
   ============================================================================= */

.trust-stat {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
}

.trust-label {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* =============================================================================
   COMPONENTS - FORMS
   ============================================================================= */

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-600);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-600) 20%, transparent);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input.error {
  border-color: var(--color-error-600);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error-600);
  margin-top: var(--space-1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* =============================================================================
   COMPONENTS - TABLES
   ============================================================================= */

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.table th {
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* =============================================================================
   COMPONENTS - FOOTER
   ============================================================================= */

.footer {
  padding: var(--space-12) 0;
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
}

.footer a {
  color: var(--color-gray-300);
}

.footer a:hover {
  color: var(--color-white);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-700);
  text-align: center;
  font-size: var(--text-sm);
}

/* =============================================================================
   UTILITIES - SPACING
   ============================================================================= */

.mt-0 { margin-top: var(--space-0); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* =============================================================================
   UTILITIES - TEXT
   ============================================================================= */

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

.text-primary { color: var(--color-primary-900); }
.text-accent { color: var(--color-accent-600); }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success-600); }

.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }

/* =============================================================================
   UTILITIES - DISPLAY
   ============================================================================= */

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:hidden { display: none; }
}

@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:hidden { display: none; }
}

/* =============================================================================
   ACCESSIBILITY
   ============================================================================= */

.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;
}

/* Focus visible for keyboard users */
:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent-600);
  outline-offset: 2px;
}

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

  html {
    scroll-behavior: auto;
  }
}