/**
 * EcommercePro Tools - Landing Page Styles
 * Modern, responsive CSS with dark mode support
 * WCAG 2.1 AA compliant colors and typography
 */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Light Theme */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-secondary: #6366f1;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Neutral Colors - Light Theme */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-background: var(--color-white);
  --color-surface: var(--color-gray-50);
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-muted: var(--color-gray-500);
  --color-border: var(--color-gray-200);
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
  --font-size-6xl: 3.75rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --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;
  --spacing-32: 8rem;
  
  /* Layout */
  --container-max-width: 1280px;
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --color-background: var(--color-gray-900);
  --color-surface: var(--color-gray-800);
  --color-text-primary: var(--color-gray-100);
  --color-text-secondary: var(--color-gray-300);
  --color-text-muted: var(--color-gray-400);
  --color-border: var(--color-gray-700);
  --color-shadow: rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Focus management for accessibility */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

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

@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-5xl);
  }
  
  h2 {
    font-size: var(--font-size-4xl);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: var(--font-size-6xl);
  }
}

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

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

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

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

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

.btn-secondary:hover {
  background-color: #5856eb;
  border-color: #5856eb;
  color: white;
}

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

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

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

.btn-secondary-outline:hover {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

/* Header */
.header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: all var(--transition-normal);
}

.navbar {
  padding: var(--spacing-1) 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  flex-shrink: 0;
}

.logo {
  height: 90px;
  width: auto;
}

.brand-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
}

.footer-brand {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: white;
  display: block;
  margin-bottom: var(--spacing-4);
}

.navbar-menu {
  display: none;
  align-items: center;
  gap: var(--spacing-8);
}

@media (min-width: 768px) {
  .navbar-menu {
    display: flex;
  }
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-6);
}

.navbar-nav a {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.navbar-nav a:hover {
  color: var(--color-text-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-2);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: var(--color-surface);
}

.theme-icon {
  position: absolute;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
}

.theme-icon-dark {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-icon-light {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-icon-dark {
  opacity: 1;
  transform: rotate(0deg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
  position: relative;
  padding: var(--spacing-8) 0;
  overflow: hidden;
}

/* Particles Container */
#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.hero-title {
  margin-bottom: var(--spacing-6);
  animation: fadeInUp 0.8s ease-out;
}

[data-theme="dark"] .hero-title {
  color: var(--color-gray-50);
}

[data-theme="dark"] .hero-description {
  color: var(--color-gray-200);
}

[data-theme="dark"] .section-title {
  color: var(--color-gray-50);
}

[data-theme="dark"] .section-description {
  color: var(--color-gray-300);
}

.highlight {
  color: var(--color-primary);
  position: relative;
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-12);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-5);
  animation: fadeInUp 0.8s ease-out 0.4s both;
  margin-left: var(--spacing-2);
}

@media (min-width: 640px) {
  .hero-stats {
    margin-left: 0;
    justify-items: start;
  }
}

.stat {
  text-align: center;
}

@media (min-width: 640px) {
  .stat {
    text-align: left;
  }
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-1);
}

.hero-visual {
  animation: fadeInRight 0.8s ease-out 0.6s both;
}

.hero-image-container {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  animation: scrollBounce 2s infinite;
  cursor: pointer;
}

.scroll-arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  opacity: 0.8;
}

.scroll-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.scroll-indicator:hover .scroll-arrow,
.scroll-indicator:focus .scroll-arrow {
  color: var(--color-primary-hover);
  transform: scale(1.1);
}

.scroll-indicator:hover .scroll-text,
.scroll-indicator:focus .scroll-text {
  color: var(--color-text-primary);
}

.scroll-indicator:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--border-radius-md);
}

@keyframes scrollBounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Section Styles */
section {
  padding: var(--spacing-20) 0;
}

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

.section-title {
  margin-bottom: var(--spacing-4);
}

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

/* Features Section */
.features {
  background-color: var(--color-surface);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: var(--color-background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

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

.feature-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-4);
  display: block;
  font-weight: var(--font-weight-light);
  color: var(--color-primary);
  font-family: Georgia, serif;
}

.feature-title {
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-xl);
}

[data-theme="dark"] .feature-title {
  color: var(--color-gray-100);
}

.feature-description {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .contact-content {
    grid-template-columns: 1fr 2fr;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.contact-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  margin-top: var(--spacing-1);
  font-weight: var(--font-weight-light);
  color: var(--color-primary);
  font-family: Georgia, serif;
}

.contact-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

[data-theme="dark"] .contact-label {
  color: var(--color-gray-100);
}

.contact-value {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-value:hover {
  color: var(--color-primary);
}

/* Contact Form */
.contact-form {
  background-color: var(--color-background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--spacing-6);
}

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

[data-theme="dark"] .form-label {
  color: var(--color-gray-100);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

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

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

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-1);
  min-height: 1.2em;
}

.form-submit {
  width: 100%;
}

@media (min-width: 640px) {
  .form-submit {
    width: auto;
  }
}

/* Pricing Section */
.pricing {
  background-color: var(--color-surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background-color: var(--color-background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-normal);
}

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

.pricing-card-featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.pricing-plan {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-4);
}

[data-theme="dark"] .pricing-plan {
  color: var(--color-gray-100);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--spacing-1);
}

.price-currency {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.price-amount {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.price-period {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-8);
}

.pricing-features li {
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  margin-right: var(--spacing-3);
}



/* Footer */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 640px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-logo {
  margin-bottom: var(--spacing-4);
}

.footer-description {
  color: var(--color-gray-400);
  max-width: 300px;
}

.footer-title {
  color: white;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-4);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-gray-700);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-copyright {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}



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

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

/* Utilities */
.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;
}

/* Print Styles */
@media print {
  .header,
  .theme-toggle,
  .mobile-menu-toggle {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal.modal-open {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  transition: opacity var(--transition-normal);
}

[data-theme="dark"] .modal-overlay {
  background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
  position: relative;
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn var(--transition-normal) ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6) var(--spacing-8);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-3xl);
  line-height: 1;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.modal-close:hover {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

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

.modal-body {
  padding: var(--spacing-8);
  overflow-y: auto;
  flex: 1;
}

.modal-section {
  line-height: var(--line-height-relaxed);
}

.modal-section h3 {
  color: var(--color-primary);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-4);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--spacing-2);
}

.modal-section h4 {
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-3);
  font-weight: var(--font-weight-semibold);
}

.modal-section h5 {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-4);
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
}

.modal-section p {
  margin-bottom: var(--spacing-4);
  color: var(--color-text-secondary);
}

.modal-section ul {
  margin-bottom: var(--spacing-4);
  padding-left: var(--spacing-5);
}

.modal-section li {
  margin-bottom: var(--spacing-2);
  color: var(--color-text-secondary);
}

.modal-section a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

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

.modal-section strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

/* Modal Animations */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Modal Responsive */
@media (max-width: 768px) {
  .modal {
    padding: var(--spacing-2);
  }
  
  .modal-content {
    max-height: 95vh;
  }
  
  .modal-header {
    padding: var(--spacing-4) var(--spacing-6);
  }
  
  .modal-body {
    padding: var(--spacing-6);
  }
  
  .modal-title {
    font-size: var(--font-size-xl);
  }
}

/* Prevent body scroll when modal is open */
body.modal-open {
  overflow: hidden;
}

/* Reduced Motion */
@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;
  }
  
  .modal-content {
    animation: none;
  }
}