/* ==========================================================================
   NeuEra Apps Legal Platform Stylesheet
   ========================================================================== */

/* CSS Variables for theming */
:root {
  --max-width: 750px;
  --primary-color: #1a1a1a;
  --secondary-color: #0066cc;
  --accent-color: #00a8ff;
  --text-color: #333;
  --text-light: #666;
  --text-muted: #999;
  --bg-color: #ffffff;
  --bg-alt: #f8f9fa;
  --border-color: #e0e0e0;
  --border-light: #f0f0f0;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --border-radius: 6px;
  --border-radius-lg: 8px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--primary-color);
}

h1 {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 1.875rem;
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: 1rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

p {
  margin: 0 0 var(--spacing-md) 0;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

/* Links */
a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* Lists */
ul, ol {
  margin: 0 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

ul.no-collect-list {
  list-style-type: none;
  padding-left: 0;
}

ul.no-collect-list li::before {
  content: " ";
  color: #dc3545;
  font-weight: bold;
  margin-right: var(--spacing-xs);
}

ul.commitments-list li {
  margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  height: 32px;
  width: auto;
}

.site-header h1 {
  font-size: 1.25rem;
  margin: 0;
  color: var(--primary-color);
}

.main-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  color: var(--text-color);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
  text-decoration: none;
}

/* Breadcrumb */
.breadcrumb {
  background-color: var(--bg-alt);
  padding: var(--spacing-sm) 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb a {
  color: var(--text-light);
}

.breadcrumb a:hover {
  color: var(--secondary-color);
}

/* ==========================================================================
   Main Content Areas
   ========================================================================== */

.main-content {
  padding: var(--spacing-xl) 0;
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-xl) 0;
}

.hero-section h2 {
  margin-top: 0;
  font-size: 2.5rem;
  color: var(--primary-color);
}

/* Product Sections */
.products-section {
  margin-bottom: var(--spacing-xxl);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.product-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.product-card.placeholder {
  opacity: 0.7;
  background: var(--bg-alt);
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.product-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.product-badge {
  background: var(--info-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

.document-links h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.document-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-lg);
}

.document-list li {
  margin-bottom: var(--spacing-sm);
}

.document-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.document-link:hover {
  background: var(--bg-alt);
  text-decoration: none;
}

.document-link.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.document-icon {
  font-size: 1.125rem;
}

.status-badge {
  margin-left: auto;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.status-badge.available {
  background: #d4edda;
  color: var(--success-color);
}

.status-badge.coming-soon {
  background: #fff3cd;
  color: #856404;
}

.product-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Features Section */
.features-section {
  margin-bottom: var(--spacing-xxl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.feature {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.feature h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  background: none;
  font-family: inherit;
}

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

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

.btn-primary:hover {
  background-color: var(--accent-color);
  color: white;
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--bg-alt);
  color: var(--text-color);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  text-decoration: none;
}

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

.btn-outline:hover {
  background-color: var(--secondary-color);
  color: white;
  text-decoration: none;
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Legal Document Styles
   ========================================================================== */

.legal-document {
  max-width: 100%;
  margin: 0 auto;
  background: var(--bg-color);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.document-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-light);
}

.document-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.version-badge,
.effective-date {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
}

.current-badge {
  background: var(--success-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

/* Policy Header */
.policy-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-alt);
  border-radius: var(--border-radius-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.policy-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

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

.version-number {
  font-weight: 600;
  color: var(--primary-color);
}

.effective-date {
  font-size: 0.875rem;
  color: var(--text-light);
}

.policy-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Table of Contents */
.table-of-contents {
  background: var(--bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-light);
}

.table-of-contents h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.toc-list {
  margin: 0;
  padding-left: var(--spacing-lg);
  list-style: decimal;
}

.toc-item {
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.toc-item.toc-level-3 {
  margin-left: var(--spacing-md);
  list-style-type: lower-alpha;
}

.toc-item.toc-level-4 {
  margin-left: var(--spacing-lg);
  list-style-type: lower-roman;
}

.toc-link {
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
  padding: var(--spacing-xs) 0;
  border-left: 3px solid transparent;
  padding-left: var(--spacing-sm);
  margin-left: calc(-1 * var(--spacing-sm));
}

.toc-link:hover {
  color: var(--secondary-color);
  border-left-color: var(--secondary-color);
}

.toc-link.active {
  color: var(--secondary-color);
  font-weight: 600;
  border-left-color: var(--accent-color);
  background: rgba(0, 168, 255, 0.1);
}

.toc-link:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Legal Document Sections */
.legal-document section {
  margin-bottom: var(--spacing-xxl);
  scroll-margin-top: 100px; /* Account for sticky header */
}

.legal-document section:last-child {
  margin-bottom: 0;
}

.important-notice {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-left: 4px solid var(--warning-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin: var(--spacing-md) 0;
}

/* ==========================================================================
   Archive Page Styles
   ========================================================================== */

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

.archive-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

.archive-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.version-timeline {
  margin-bottom: var(--spacing-xxl);
}

.version-entry {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.version-entry.current {
  border-color: var(--success-color);
  background: #f8fff9;
}

.version-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.version-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.version-info h4 {
  margin: 0;
  font-size: 1.25rem;
}

.version-date {
  color: var(--text-light);
  font-weight: 500;
}

.version-summary {
  margin-bottom: var(--spacing-md);
}

.version-highlights {
  margin-bottom: var(--spacing-md);
}

.version-highlights h5 {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.version-metadata {
  background: var(--bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.version-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.future-versions {
  background: var(--bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-top: var(--spacing-xl);
}

.future-note {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

.update-process ol {
  margin: 0;
}

/* ==========================================================================
   Contact & Footer
   ========================================================================== */

.contact-section {
  background: var(--bg-alt);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xxl);
}

.contact-content address {
  font-style: normal;
  line-height: 1.8;
}

.contact-item {
  margin-bottom: var(--spacing-sm);
}

.site-footer {
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

.footer-content {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  margin-top: var(--spacing-sm);
}

.footer-links a {
  color: #ccc;
  margin: 0 var(--spacing-xs);
}

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

.last-updated {
  text-align: center;
  color: #ccc;
  font-size: 0.875rem;
  margin: 0;
}

.document-footer {
  text-align: center;
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  color: var(--text-light);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-xxl: 2rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .site-header .container {
    flex-direction: column;
    text-align: center;
  }

  .main-nav {
    justify-content: center;
  }

  .hero-section h2 {
    font-size: 2rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .policy-header {
    flex-direction: column;
    text-align: center;
  }

  .document-meta {
    flex-direction: column;
    align-items: center;
  }

  .version-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .archive-actions,
  .product-actions,
  .version-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .legal-document {
    padding: var(--spacing-md);
  }

  h1 {
    font-size: 1.875rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .site-header h1 {
    font-size: 1.125rem;
  }

  .main-nav {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-section h2 {
    font-size: 1.75rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .table-of-contents {
    padding: var(--spacing-md);
  }
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

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

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
    --border-light: #666;
    --text-light: #000;
    --bg-alt: #f0f0f0;
  }
}

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

/* 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;
}