/* ==========================================================================
   RBX Rewards - Premium Legal & Policy Design System
   Modern CSS Tokens, Dark/Light Themes, Glassmorphism, Micro-Animations
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Brand Gradients & Accents */
  --primary: #6035EE;
  --primary-light: #7C4DFF;
  --primary-dark: #4A24C9;
  --primary-glow: rgba(96, 53, 238, 0.35);
  --accent-gold: #FFB000;
  --accent-gold-glow: rgba(255, 176, 0, 0.25);
  --accent-teal: #10B981;
  --accent-rose: #F43F5E;
  --accent-cyan: #06B6D4;
  
  --grad-primary: linear-gradient(135deg, #6035EE 0%, #8B5CF6 50%, #4F46E5 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --grad-gold: linear-gradient(135deg, #FFB000 0%, #F59E0B 100%);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme (Default) */
[data-theme="light"], :root:not([data-theme="dark"]) {
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F4F9;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  --bg-header: rgba(248, 250, 252, 0.9);
  
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-active: rgba(96, 53, 238, 0.4);
  --border-focus: #6035EE;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-subtle: #94A3B8;
  --text-inverse: #FFFFFF;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(96, 53, 238, 0.15);

  --badge-bg: #EEF2FF;
  --badge-text: #4F46E5;
  --badge-border: #C7D2FE;

  --callout-bg: #F5F3FF;
  --callout-border: #DDD6FE;
  
  --warning-bg: #FEF3C7;
  --warning-border: #FCD34D;
  --warning-text: #B45309;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-body: #070913;
  --bg-surface: #0E1222;
  --bg-surface-elevated: #161C33;
  --bg-surface-glass: rgba(14, 18, 34, 0.75);
  --bg-header: rgba(7, 9, 19, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(96, 53, 238, 0.5);
  --border-focus: #7C4DFF;

  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;
  --text-inverse: #0F172A;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(96, 53, 238, 0.25);

  --badge-bg: rgba(96, 53, 238, 0.15);
  --badge-text: #C4B5FD;
  --badge-border: rgba(139, 92, 246, 0.3);

  --callout-bg: rgba(96, 53, 238, 0.08);
  --callout-border: rgba(124, 77, 255, 0.3);
  
  --warning-bg: rgba(255, 176, 0, 0.1);
  --warning-border: rgba(255, 176, 0, 0.3);
  --warning-text: #FDE047;
}

/* --- Base Resets & Layout --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Ambient Glow */
.bg-glow-orb {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.15;
  transition: opacity var(--transition-slow);
}
.bg-glow-orb-1 {
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, #6035EE 0%, #3B82F6 70%, transparent 100%);
}
.bg-glow-orb-2 {
  bottom: 10%;
  right: -100px;
  background: radial-gradient(circle, #8B5CF6 0%, #EC4899 80%, transparent 100%);
  opacity: 0.08;
}

/* Reading Progress Bar */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 1000;
}
.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--grad-primary);
  transition: width 0.05s ease-out;
  box-shadow: 0 0 10px var(--primary-light);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  box-shadow: 0 4px 12px var(--primary-glow);
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  -webkit-text-fill-color: var(--badge-text);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-weight: 500;
}

/* Nav Menu */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  color: var(--text-main);
  background: var(--border-subtle);
}

.nav-link.active {
  color: var(--primary-light);
  background: var(--badge-bg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn, .mobile-toggle-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover, .mobile-toggle-btn:hover {
  border-color: var(--border-active);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.mobile-toggle-btn {
  display: none;
}

/* Disclaimer Banner */
.disclaimer-strip {
  background: linear-gradient(90deg, rgba(96,53,238,0.12) 0%, rgba(255,176,0,0.12) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.disclaimer-strip strong {
  color: var(--text-main);
}
.disclaimer-strip a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --- Hero Section (Hub / Home) --- */
.hero-hub {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--badge-text);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 2rem;
}

/* Search Box */
.hub-search-container {
  max-width: 580px;
  margin: 0 auto;
  position: relative;
}

.hub-search-box {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3.25rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  box-shadow: var(--shadow-md);
  outline: none;
  transition: all var(--transition-normal);
}

.hub-search-box:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow), var(--shadow-md);
}

.hub-search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  pointer-events: none;
}

/* Compliance Badges Bar */
.compliance-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.compliance-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}
.compliance-tag.verified {
  color: var(--accent-teal);
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.08);
}

/* --- Main Content Layout --- */
.site-main {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem 5rem;
}

/* Grid for Hub Cards */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.hub-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.hub-card:hover::before {
  opacity: 1;
}

.hub-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.hub-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--badge-bg);
  color: var(--primary-light);
  border: 1px solid var(--badge-border);
}

.hub-card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  color: var(--text-subtle);
  border: 1px solid var(--border-subtle);
}

.hub-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.hub-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex: 1;
}

.hub-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.hub-card-action {
  font-weight: 700;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap var(--transition-fast);
}

.hub-card:hover .hub-card-action {
  gap: 0.5rem;
}

/* --- Document Layout (Sidebar + Article) --- */
.doc-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
  align-items: start;
}

/* Sticky Sidebar & Table of Contents */
.doc-sidebar {
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  padding-right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.toc-link {
  display: block;
  padding: 0.4rem 0.65rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--text-main);
  background: var(--bg-surface-elevated);
}

.toc-link.active {
  color: var(--primary-light);
  font-weight: 600;
  background: var(--badge-bg);
  border-left-color: var(--primary);
}

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-sidebar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-sidebar-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}
.btn-sidebar-outline:hover {
  color: var(--text-main);
  border-color: var(--border-active);
  background: var(--bg-surface-elevated);
}

.btn-sidebar-primary {
  background: var(--grad-primary);
  color: white;
  border: none;
  box-shadow: 0 4px 12px var(--primary-glow);
}
.btn-sidebar-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

/* Article Container */
.doc-article {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem 3.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

/* Article Header */
.doc-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.doc-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-bottom: 1rem;
}
.doc-breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}
.doc-breadcrumbs a:hover {
  color: var(--primary-light);
}

.doc-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.825rem;
  color: var(--text-subtle);
}
.doc-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.doc-meta-item strong {
  color: var(--text-muted);
}

/* Article Content Typography */
.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  scroll-margin-top: 6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
  color: var(--text-main);
  scroll-margin-top: 6rem;
}

.article-content p {
  margin-bottom: 1.15rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.article-content ul, .article-content ol {
  margin: 0 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.article-content li strong {
  color: var(--text-main);
}

.article-content a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Callouts & Alert Boxes */
.callout {
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
  line-height: 1;
}

.callout-body {
  font-size: 0.925rem;
  line-height: 1.6;
}

.callout-body strong {
  display: block;
  margin-bottom: 0.25rem;
}

.callout-info {
  background: var(--callout-bg);
  border: 1px solid var(--callout-border);
  color: var(--text-main);
}
.callout-info strong {
  color: var(--primary-light);
}

.callout-warning {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
}
.callout-warning p {
  color: inherit;
  margin-bottom: 0;
}

/* Data Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--bg-surface-elevated);
  padding: 0.85rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Interactive Accordion / FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-active);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  transition: transform var(--transition-fast);
  color: var(--primary-light);
  font-size: 1.2rem;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-fast);
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

/* Forms (Data Deletion & Contact) */
.form-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

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

.form-hint {
  font-size: 0.78rem;
  color: var(--text-subtle);
  margin-top: 0.35rem;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--grad-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-submit:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

/* Toast Alert */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-active);
  color: var(--text-main);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-normal);
}
.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-subtle);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  max-width: 1300px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.footer-disclaimer-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.78rem;
  color: var(--text-subtle);
  line-height: 1.5;
}

/* --- Mobile Navigation Drawer --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  z-index: 1500;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
}
.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1400;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.mobile-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- Print Stylesheet --- */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  .site-header, .disclaimer-strip, .doc-sidebar, .site-footer, .reading-progress-container, .bg-glow-orb {
    display: none !important;
  }
  .doc-layout {
    display: block !important;
  }
  .doc-article {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  a {
    text-decoration: none !important;
    color: #000 !important;
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .doc-layout {
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
  }
  .doc-article {
    padding: 2.25rem;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .desktop-nav {
    display: none;
  }
  .mobile-toggle-btn {
    display: flex;
  }
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-sidebar {
    display: none;
  }
  .doc-article {
    padding: 1.75rem 1.25rem;
  }
  .hub-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Dynamic Live Badges & Pulse Indicators */
.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.stock-badge.in-stock {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .stock-badge.in-stock {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.stock-badge.sold-out {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulseGreen {
  to {
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
  }
}

.live-system-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.stats-counter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.live-stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.live-stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
}

.live-stat-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.live-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}