/*! NFM Consulting - Unified Design System */
/* Consolidated CSS Architecture - Single Source of Truth */

/* ==========================================================================
   1. CSS CUSTOM PROPERTIES - BRAND COLORS & DESIGN TOKENS
   ========================================================================== */

:root {
  /* Primary Brand Colors - WCAG AA Compliant */
  --nfm-primary: #1e3a8a;        /* NFM Blue - 4.5:1 contrast on white */
  --nfm-primary-light: #3b82f6;  /* NFM Light Blue - 4.5:1 contrast on white */
  --nfm-primary-dark: #1e40af;   /* NFM Dark Blue - 7:1 contrast on white */
  --nfm-secondary: #10b981;      /* NFM Green - 4.5:1 contrast on white */
  --nfm-secondary-light: #34d399; /* NFM Light Green - 4.5:1 contrast on white */
  --nfm-secondary-dark: #059669;  /* NFM Dark Green - 7:1 contrast on white */
  --nfm-dark: #1f2937;           /* NFM Dark - 12.6:1 contrast on white */

  /* Semantic Color System */
  --color-text-primary: var(--nfm-dark);
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-background: #ffffff;
  --color-background-secondary: #f9fafb;
  --color-background-tertiary: #f3f4f6;

  /* REDUCED BRIGHTNESS BACKGROUNDS - Light Sensitivity Friendly */
  --nfm-bg-primary: #fafafa;     /* Soft white - 95% brightness instead of 100% */
  --nfm-bg-secondary: #f5f5f5;   /* Light gray - 96% brightness */
  --nfm-bg-tertiary: #f0f0f0;    /* Medium gray - 94% brightness */
  --nfm-bg-dark: #1f2937;        /* Dark background */
  --nfm-bg-overlay: rgba(31, 41, 55, 0.8); /* Dark overlay */

  /* Status Colors - WCAG AA Compliant */
  --color-success: #059669;      /* 4.5:1 contrast on white */
  --color-warning: #d97706;      /* 4.5:1 contrast on white */
  --color-error: #dc2626;        /* 4.5:1 contrast on white */
  --color-info: #0284c7;         /* 4.5:1 contrast on white */

  /* Spacing System (8px grid) */
  --spacing-xs: 4px;    /* 0.25rem */
  --spacing-sm: 8px;    /* 0.5rem */
  --spacing-md: 16px;   /* 1rem */
  --spacing-lg: 24px;   /* 1.5rem */
  --spacing-xl: 32px;   /* 2rem */
  --spacing-2xl: 48px;  /* 3rem */
  --spacing-3xl: 64px;  /* 4rem */
  --spacing-4xl: 96px;  /* 6rem */

  /* Typography Scale (1.25 ratio) */
  --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 */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* 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 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);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode Support */
[data-theme="dark"] {
  --nfm-bg-primary: #1a1a1a;
  --nfm-bg-secondary: #2d2d2d;
  --color-text-primary: #e5e5e5;
  --color-text-secondary: #b3b3b3;
  --color-background: #1f2937;
  --color-background-secondary: #374151;
}

/* ==========================================================================
   2. TAILWIND CSS BASE (CONSOLIDATED)
   ========================================================================== */

/*! tailwindcss v3.4.17 | MIT License | https://tailwindcss.com */

*,
::before,
::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: #e5e7eb;
}

::before,
::after {
  --tw-content: '';
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-feature-settings: normal;
  font-variation-settings: normal;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  font-family: inherit;
  line-height: inherit;
  background-color: var(--nfm-bg-primary); /* Reduced brightness default */
  color: var(--color-text-primary);
}

/* ==========================================================================
   3. NFM BRAND UTILITY CLASSES
   ========================================================================== */

/* Background Colors */
.bg-nfm-primary { background-color: var(--nfm-primary); }
.bg-nfm-primary-light { background-color: var(--nfm-primary-light); }
.bg-nfm-primary-dark { background-color: var(--nfm-primary-dark); }
.bg-nfm-secondary { background-color: var(--nfm-secondary); }
.bg-nfm-secondary-light { background-color: var(--nfm-secondary-light); }
.bg-nfm-secondary-dark { background-color: var(--nfm-secondary-dark); }
.bg-nfm-dark { background-color: var(--nfm-dark); }

/* Text Colors */
.text-nfm-primary { color: var(--nfm-primary); }
.text-nfm-primary-light { color: var(--nfm-primary-light); }
.text-nfm-primary-dark { color: var(--nfm-primary-dark); }
.text-nfm-secondary { color: var(--nfm-secondary); }
.text-nfm-secondary-light { color: var(--nfm-secondary-light); }
.text-nfm-secondary-dark { color: var(--nfm-secondary-dark); }
.text-nfm-dark { color: var(--nfm-dark); }

/* Border Colors */
.border-nfm-primary { border-color: var(--nfm-primary); }
.border-nfm-primary-light { border-color: var(--nfm-primary-light); }
.border-nfm-secondary { border-color: var(--nfm-secondary); }

/* Legacy Support (for existing templates) */
.bg-nfm-blue { background-color: var(--nfm-primary); }
.bg-nfm-light { background-color: var(--nfm-primary-light); }
.bg-nfm-green { background-color: var(--nfm-secondary); }
.text-nfm-blue { color: var(--nfm-primary); }
.text-nfm-light { color: var(--nfm-primary-light); }
.text-nfm-green { color: var(--nfm-secondary); }
.border-nfm-blue { border-color: var(--nfm-primary); }
.border-nfm-light { border-color: var(--nfm-primary-light); }
.border-nfm-green { border-color: var(--nfm-secondary); }

/* ==========================================================================
   4. COMPONENT SYSTEM - BUTTONS
   ========================================================================== */

/* Base Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 44px; /* WCAG touch target compliance */
  min-width: 44px;
}

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

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

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--nfm-secondary), var(--nfm-secondary-dark));
  color: white;
  border-color: var(--nfm-secondary);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--nfm-secondary-dark), #047857);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--nfm-primary);
  color: white;
  transform: translateY(-2px);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--nfm-primary);
  border-color: var(--nfm-primary);
}

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

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

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

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-lg);
  min-height: 52px;
}

/* ==========================================================================
   5. COMPONENT SYSTEM - CARDS
   ========================================================================== */

.service-card {
  background: var(--color-background);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.service-card h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 600;
}

.service-card p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
}

/* Glass Morphism Cards */
.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   6. COMPONENT SYSTEM - FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid #d1d5db;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
  min-height: 44px; /* WCAG touch target compliance */
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--nfm-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* ==========================================================================
   7. COMPONENT SYSTEM - NAVIGATION
   ========================================================================== */

.nav-primary {
  background: var(--nfm-dark);
  color: white;
  padding: var(--spacing-md) 0;
}

.nav-link {
  color: white;
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-link:focus {
  outline: 2px solid var(--nfm-primary-light);
  outline-offset: 2px;
}

.nav-link.active {
  background: var(--nfm-primary);
  color: white;
}

/* ==========================================================================
   8. ANIMATIONS & EFFECTS
   ========================================================================== */

/* Float Animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float 3s ease-in-out infinite;
  animation-delay: 1.5s;
}

/* Pulse Grid Animation */
@keyframes pulse-grid {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.3; }
}

.animate-pulse-grid {
  animation: pulse-grid 4s ease-in-out infinite;
}

/* Pattern Drift Animation */
@keyframes pattern-drift {
  0% { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

.animate-pattern-drift {
  animation: pattern-drift 20s linear infinite;
}

/* Fade In Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out;
}

/* Spin Animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Pulse Animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

/* ==========================================================================
   9. UTILITY CLASSES
   ========================================================================== */

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flexbox */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Spacing */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-6 { padding: var(--spacing-xl); }
.p-8 { padding: var(--spacing-2xl); }

.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-6 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }
.px-8 { padding-left: var(--spacing-2xl); padding-right: var(--spacing-2xl); }

.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-6 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-8 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-2 { margin-top: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.my-4 { margin-top: var(--spacing-lg); margin-bottom: var(--spacing-lg); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* Colors */
.text-white { color: white; }
.text-gray-500 { color: var(--color-text-muted); }
.text-gray-600 { color: var(--color-text-secondary); }
.text-gray-900 { color: var(--color-text-primary); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--nfm-bg-secondary); }
.bg-gray-100 { background-color: var(--nfm-bg-tertiary); }

/* Borders */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }

.rounded { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transitions */
.transition-all { transition: all var(--transition-fast); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-transform { transition: transform var(--transition-fast); }

/* ==========================================================================
   10. RESPONSIVE DESIGN
   ========================================================================== */

/* Mobile First Approach */
@media (min-width: 640px) {
  .sm\:px-6 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:text-2xl { font-size: var(--text-2xl); }
  .md\:text-4xl { font-size: var(--text-4xl); }
  .md\:text-5xl { font-size: var(--text-5xl); }
  .md\:text-6xl { font-size: var(--text-6xl); }
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:px-6 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }
  .md\:px-8 { padding-left: var(--spacing-2xl); padding-right: var(--spacing-2xl); }
  .md\:py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
  .md\:py-12 { padding-top: var(--spacing-3xl); padding-bottom: var(--spacing-3xl); }
}

@media (min-width: 1024px) {
  .lg\:px-8 { padding-left: var(--spacing-2xl); padding-right: var(--spacing-2xl); }
  .lg\:text-6xl { font-size: var(--text-6xl); }
  .lg\:text-7xl { font-size: 3.75rem; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:text-center { text-align: center; }
}

/* ==========================================================================
   11. ACCESSIBILITY ENHANCEMENTS
   ========================================================================== */

/* Focus Indicators */
.focus\:outline-none:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.focus\:ring-2:focus {
  box-shadow: 0 0 0 2px var(--nfm-primary-light);
}

/* Screen Reader Only */
.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;
}

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

/* ==========================================================================
   12. LEGACY SUPPORT
   ========================================================================== */

/* Support for existing class names during transition */
.btn-primary.legacy {
  background-color: var(--nfm-secondary);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
}

.btn-primary.legacy:hover {
  background-color: var(--nfm-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   13. PRINT STYLES
   ========================================================================== */

@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .btn {
    border: 1px solid black !important;
    background: white !important;
    color: black !important;
  }
}