/* 
 * Modern Landing Page Styles for Fibertronics
 * Task #94: Enhanced modern UI/UX design system
 * WCAG 2.1 AA compliant color palette and accessibility features
 */

:root {
  /* Enhanced Color Palette - WCAG 2.1 AA Compliant */
  --primary-color: #0d47a1;        /* Enhanced contrast */
  --primary-dark: #002171;
  --primary-light: #5472d3;
  --secondary-color: #e65100;      /* Enhanced contrast */
  --accent-color: #1b5e20;         /* Enhanced contrast for better accessibility */
  --success-color: #2e7d32;
  --warning-color: #ef6c00;
  --error-color: #c62828;
  --info-color: #0277bd;
  
  /* Neutral Colors - Enhanced contrast ratios */
  --text-primary: #212121;         /* Enhanced contrast (4.5:1 ratio) */
  --text-secondary: #424242;       /* Enhanced contrast (4.5:1 ratio) */
  --text-muted: #616161;           /* Enhanced contrast (4.5:1 ratio) */
  --background-primary: #ffffff;
  --background-secondary: #fafafa;
  --background-accent: #f5f5f5;
  --background-elevated: #ffffff;
  --border-color: #e0e0e0;
  --divider-color: #eeeeee;
  
  /* Enhanced Typography System */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  /* Fluid Typography Scale */
  --text-xs: clamp(0.7rem, 0.66rem + 0.2vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-xl: clamp(1.1rem, 1.05rem + 0.25vw, 1.25rem);
  --text-2xl: clamp(1.3rem, 1.2rem + 0.5vw, 1.5rem);
  --text-3xl: clamp(1.6rem, 1.45rem + 0.75vw, 1.875rem);
  --text-4xl: clamp(2rem, 1.8rem + 1vw, 2.25rem);
  --text-5xl: clamp(2.5rem, 2.2rem + 1.5vw, 3rem);
  --text-6xl: clamp(3rem, 2.6rem + 2vw, 3.75rem);
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Font Weights */
  --font-thin: 100;
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Enhanced Spacing System */
  --space-px: 1px;
  --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-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.25rem;
  --space-10: 2.5rem;
  --space-11: 2.75rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-18: 4.5rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-28: 7rem;
  --space-32: 8rem;
  --space-36: 9rem;
  --space-40: 10rem;
  --space-44: 11rem;
  --space-48: 12rem;
  --space-52: 13rem;
  --space-56: 14rem;
  --space-60: 15rem;
  --space-64: 16rem;
  --space-72: 18rem;
  --space-80: 20rem;
  --space-96: 24rem;
  
  /* Enhanced Shadow System */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-none: 0 0 #0000;
  
  /* Specialized Shadows */
  --shadow-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-elevation-2: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  --shadow-elevation-3: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
  --shadow-elevation-4: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  --shadow-elevation-5: 0 19px 38px rgba(0, 0, 0, 0.30), 0 15px 12px rgba(0, 0, 0, 0.22);
  
  /* Enhanced Border Radius System */
  --radius-none: 0;
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Enhanced Transition System */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;
  
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  --transition-fast: var(--duration-150) var(--ease-out);
  --transition-base: var(--duration-300) var(--ease-in-out);
  --transition-slow: var(--duration-500) var(--ease-in-out);
  --transition-all: all var(--duration-150) var(--ease-out);
  
  /* Z-Index Scale */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-auto: auto;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Enhanced Reset and Base Styles with Accessibility */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20); /* Account for fixed header */
  text-size-adjust: 100%; /* Prevent iOS text size adjust */
  -webkit-text-size-adjust: 100%;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background-color: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Enhanced Typography with Better Accessibility */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

h1 { 
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

h2 { 
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
}

h3 { 
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

h4 { 
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
}

h5 { 
  font-size: var(--text-xl);
  line-height: var(--leading-normal);
}

h6 { 
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  font-weight: var(--font-medium);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 65ch; /* Optimal reading width */
}

/* Enhanced Link Styles for Accessibility */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
  border-radius: var(--radius-xs);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  text-decoration: underline;
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: var(--font-medium);
  z-index: var(--z-toast);
}

.skip-link:focus {
  top: 6px;
  outline: 2px solid var(--background-primary);
  outline-offset: 2px;
}

/* List Styles */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-1);
  line-height: var(--leading-relaxed);
}

/* Button Reset */
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Form Elements */
input, textarea, select {
  font-family: inherit;
  font-size: var(--text-base);
}

/* Image Optimization */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Screen Reader Only Content */
.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;
}

/* Enhanced Modern Navigation with Accessibility */
.modern-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); /* Safari support */
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-4) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  transition: var(--transition-base);
  will-change: transform, background-color;
}

.modern-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-elevation-2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 40px;
  width: auto;
  transition: var(--transition-fast);
}

.nav-logo:hover img {
  transform: scale(1.05);
}

.nav-logo:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
  display: block;
}

.nav-links a:hover {
  color: var(--primary-color);
  background-color: rgba(13, 71, 161, 0.08);
}

.nav-links a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  color: var(--primary-color);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-fast);
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 80%;
}

.nav-cta {
  background: var(--primary-color);
  color: white !important;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: var(--font-medium);
  transition: var(--transition-fast);
  border: 2px solid var(--primary-color);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-cta:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
  color: white !important;
}

.nav-cta:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
  transform: translateY(-1px);
}

.nav-cta:active {
  transform: translateY(0);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--background-secondary);
}

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

/* Mobile Navigation Menu */
.nav-mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--background-primary);
  border-top: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
}

.nav-mobile-menu.open {
  display: block;
}

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

.nav-mobile-links li {
  margin-bottom: var(--space-4);
}

.nav-mobile-links a {
  display: block;
  padding: var(--space-3);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-medium);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.nav-mobile-links a:hover,
.nav-mobile-links a:focus {
  background-color: var(--background-secondary);
  color: var(--primary-color);
}

.nav-mobile-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* Enhanced Hero Section with Modern Design */
.modern-hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-20);
  padding: var(--space-24) var(--space-6) var(--space-16);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* Enhanced background with subtle pattern */
.modern-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(13, 71, 161, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(27, 94, 32, 0.03) 0%, transparent 50%);
  z-index: -1;
}

.hero-content {
  z-index: 1;
}

.hero-content h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: var(--leading-tight);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
}

.hero-content p {
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 90%;
}

.hero-features {
  list-style: none;
  margin-bottom: var(--space-10);
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.hero-features li {
  padding: var(--space-3) 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.hero-features li:hover {
  transform: translateX(var(--space-2));
}

.hero-features li::before {
  content: '•';
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--space-3);
  height: var(--space-3);
  color: var(--primary-color);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

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

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-elevation-4);
  transition: var(--transition-slow);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.hero-image:hover img {
  transform: scale(1.02);
  box-shadow: var(--shadow-elevation-5);
}

/* Enhanced CTA Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  transition: var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 48px; /* Accessibility: minimum touch target */
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-3);
  color: white;
}

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

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation-2);
}

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

/* Section Layouts */
.modern-section {
  padding: var(--space-20) var(--space-6);
}

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

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.modern-card {
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 1px solid var(--border-color);
}

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

.modern-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.modern-card h3 {
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.modern-card p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.content-grid.reverse {
  grid-template-columns: 1fr 1fr;
}

.content-grid.reverse .content-text {
  order: 2;
}

.content-grid.reverse .content-image {
  order: 1;
}

.content-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.service-list ul {
  list-style: none;
}

.service-list li {
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.service-list li::before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  font-size: var(--text-lg);
}

/* Modern Footer - Enhanced specificity with brand blue theme */
.modern-footer {
  background: var(--primary-color) !important;
  color: #ffffff !important;
  padding: var(--space-16) var(--space-6) var(--space-8);
}

.modern-footer * {
  color: inherit;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
}

.modern-footer .footer-about h3 {
  color: #ffffff !important;
  margin-bottom: var(--space-4);
  font-weight: var(--font-semibold);
}

.modern-footer .footer-about p {
  color: rgba(255, 255, 255, 0.85) !important;
  line-height: var(--leading-relaxed);
}

.modern-footer .footer-contact h4 {
  color: #ffffff !important;
  margin-bottom: var(--space-4);
  font-weight: var(--font-semibold);
}

.modern-footer .footer-contact ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modern-footer .footer-contact li {
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.85) !important;
  line-height: var(--leading-relaxed);
}

.modern-footer .footer-contact strong {
  color: #ffffff !important;
  font-weight: var(--font-semibold);
}

.modern-footer .footer-contact a {
  color: rgba(255, 255, 255, 0.85) !important;
  text-decoration: none;
  transition: var(--transition-fast);
}

.modern-footer .footer-contact a:hover {
  color: #ffffff !important;
  text-decoration: underline;
}

.modern-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.7) !important;
}

.modern-footer .footer-bottom p {
  color: rgba(255, 255, 255, 0.7) !important;
  margin-bottom: 0;
}

.modern-footer .footer-bottom a {
  color: rgba(255, 255, 255, 0.7) !important;
  text-decoration: none;
  transition: var(--transition-fast);
}

.modern-footer .footer-bottom a:hover {
  color: #ffffff !important;
  text-decoration: underline;
}

.modern-footer .footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}

.modern-footer .footer-links a {
  color: rgba(255, 255, 255, 0.7) !important;
  text-decoration: none;
  transition: var(--transition-fast);
}

.modern-footer .footer-links a:hover {
  color: #ffffff !important;
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .modern-hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-12);
    padding: var(--space-16) var(--space-6);
  }
  
  .content-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .content-grid.reverse .content-text,
  .content-grid.reverse .content-image {
    order: unset;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .service-list {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .nav-links {
    display: none;
  }
  
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
}

@media (max-width: 480px) {
  :root {
    --space-6: 1rem;
    --space-8: 1.5rem;
    --space-12: 2rem;
    --space-16: 2.5rem;
    --space-20: 3rem;
    --space-24: 4rem;
  }
  
  .modern-section {
    padding: var(--space-16) var(--space-4);
  }
  
  .section-header {
    margin-bottom: var(--space-12);
  }
}

/* Enhanced Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-in {
  animation: fadeInUp 0.8s ease-out;
}

.animate-in.from-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-in.from-right {
  animation: fadeInRight 0.8s ease-out;
}

/* Enhanced hover effects */
.modern-card.hovered {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.nav-links a.focused,
.btn.focused {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mobile responsive enhancements */
.mobile-stack .content-text,
.mobile-stack .content-image {
  order: unset !important;
}

/* Fallback styles for browsers without CSS Grid */
.fallback-flex {
  display: flex !important;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.fallback-flex > * {
  flex: 1 1 300px;
}

/* Print styles */
@media print {
  .modern-nav,
  .nav-cta,
  .btn {
    display: none;
  }
  
  .modern-section {
    page-break-inside: avoid;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --text-primary: #000000;
    --text-secondary: #000000;
    --background-primary: #ffffff;
    --border-color: #000000;
  }
  
  .modern-card {
    border: 2px solid var(--border-color);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .animate-in {
    animation: none;
  }
}

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

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

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

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--secondary-color) 85%, black);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}