/* =============================================================================
   AXIONIK & FRIENDSBOOK — UNIFIED LIQUID CORE DESIGN SYSTEM (v5.2.0)
   Dual Visual Worlds:
   ☀️ LIGHT: Titanium (Apple hardware clarity + Google information architecture)
   🌑 DARK:  Obsidian (NVIDIA compute + frontier research engineering)
   ============================================================================= */

:root, [data-theme="light"] {
  /* LIGHT: Titanium */
  --ax-bg-base: #F8FAFC;
  --ax-bg-subtle: #F1F5F9;
  --ax-bg-surface: rgba(255, 255, 255, 0.92);
  --ax-bg-card: #FFFFFF;
  --ax-bg-elevated: #FFFFFF;
  --ax-bg-code: #0B1120;

  --ax-text-primary: #090D16;
  --ax-text-secondary: #334155;
  --ax-text-muted: #64748B;

  --ax-border: rgba(15, 23, 42, 0.08);
  --ax-border-subtle: rgba(15, 23, 42, 0.04);
  --ax-border-highlight: rgba(15, 23, 42, 0.16);

  /* Jewel Accents (High Contrast WCAG 4.5:1+) */
  --ax-accent-cyan: #0284C7;
  --ax-accent-cyan-tint: rgba(2, 132, 199, 0.08);
  --ax-accent-violet: #6366F1;
  --ax-accent-violet-tint: rgba(99, 102, 241, 0.08);
  --ax-accent-lime: #059669;
  --ax-accent-lime-tint: rgba(5, 150, 105, 0.09);
  --ax-accent-rose: #E11D48;
  --ax-accent-rose-tint: rgba(225, 29, 72, 0.08);

  --ax-gradient-primary: linear-gradient(135deg, #0284C7 0%, #6366F1 50%, #059669 100%);
  --ax-gradient-text: linear-gradient(135deg, #090D16 15%, #0284C7 50%, #4F46E5 78%, #059669 100%);
  --ax-gradient-glow: radial-gradient(circle, rgba(2, 132, 199, 0.12) 0%, rgba(99, 102, 241, 0.08) 45%, transparent 70%);
  --ax-gradient-border: linear-gradient(90deg, rgba(2, 132, 199, 0.6), rgba(99, 102, 241, 0.6), rgba(5, 150, 105, 0.6));

  --ax-glass-bg: rgba(255, 255, 255, 0.85);
  --ax-glass-blur: blur(28px) saturate(180%);
  --ax-glass-border: 1px solid rgba(15, 23, 42, 0.08);
  --ax-glass-shadow: 0 16px 40px -8px rgba(15, 23, 42, 0.08), inset 0 1px 1px rgba(255, 255, 255, 0.95);

  --ax-card-shadow: 0 10px 30px -6px rgba(15, 23, 42, 0.06), 0 0 0 1px rgba(15, 23, 42, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --ax-card-shadow-hover: 0 24px 48px -12px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(2, 132, 199, 0.25), inset 0 1px 1px rgba(255, 255, 255, 1);
  --ax-toggle-bg: rgba(15, 23, 42, 0.06);
  --ax-toggle-color: #090D16;
}

[data-theme="dark"] {
  /* DARK: Obsidian */
  --ax-bg-base: #050608;
  --ax-bg-subtle: #080B10;
  --ax-bg-surface: rgba(255, 255, 255, 0.045);
  --ax-bg-card: rgba(255, 255, 255, 0.035);
  --ax-bg-elevated: #0C1017;
  --ax-bg-code: #0A0E17;

  --ax-text-primary: #F5F7FA;
  --ax-text-secondary: #8D96A6;
  --ax-text-muted: #64748B;

  --ax-border: rgba(255, 255, 255, 0.09);
  --ax-border-subtle: rgba(255, 255, 255, 0.04);
  --ax-border-highlight: rgba(255, 255, 255, 0.22);

  --ax-accent-cyan: #4DE7FF;
  --ax-accent-cyan-tint: rgba(77, 231, 255, 0.12);
  --ax-accent-violet: #8E7CFF;
  --ax-accent-violet-tint: rgba(142, 124, 255, 0.12);
  --ax-accent-lime: #C4FF55;
  --ax-accent-lime-tint: rgba(196, 255, 85, 0.12);
  --ax-accent-rose: #FF4D8D;
  --ax-accent-rose-tint: rgba(255, 77, 141, 0.12);

  --ax-gradient-primary: linear-gradient(135deg, #4DE7FF 0%, #8E7CFF 50%, #C4FF55 100%);
  --ax-gradient-text: linear-gradient(135deg, #FFFFFF 15%, #4DE7FF 48%, #A78BFA 78%, #C4FF55 100%);
  --ax-gradient-glow: radial-gradient(circle, rgba(77, 231, 255, 0.25) 0%, rgba(142, 124, 255, 0.20) 45%, transparent 70%);
  --ax-gradient-border: linear-gradient(90deg, rgba(77, 231, 255, 0.75), rgba(142, 124, 255, 0.8), rgba(196, 255, 85, 0.75));

  --ax-glass-bg: rgba(255, 255, 255, 0.045);
  --ax-glass-blur: blur(28px) saturate(140%);
  --ax-glass-border: 1px solid rgba(255, 255, 255, 0.09);
  --ax-glass-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.12);

  --ax-card-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --ax-card-shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(77, 231, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  --ax-toggle-bg: rgba(255, 255, 255, 0.08);
  --ax-toggle-color: #FFFFFF;
}

:root {
  --ax-radius-pill: 9999px;
  --ax-radius-xl: 24px;
  --ax-radius-lg: 18px;
  --ax-radius-md: 12px;
  --ax-radius-sm: 8px;

  --ax-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
  --ax-font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--ax-bg-base);
  color: var(--ax-text-primary);
  font-family: var(--ax-font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--ax-bg-base);
  color: var(--ax-text-primary);
  font-family: var(--ax-font-sans);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Atmosphere */
.ax-ambient-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.6;
}

.ax-glow-1 {
  width: 500px;
  height: 500px;
  top: -150px;
  left: 20%;
  background: var(--ax-gradient-glow);
}

.ax-glow-2 {
  width: 400px;
  height: 400px;
  top: 40%;
  right: -100px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
}

.ax-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.mono {
  font-family: var(--ax-font-mono);
}

/* =============================================================================
   FLOATING PILL NAVIGATION BAR (Resilient, Anti-Stacking)
   ============================================================================= */
.ax-nav-wrapper {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
  box-sizing: border-box;
}

.ax-nav-bar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 22px;
  border-radius: var(--ax-radius-pill);
  background: var(--ax-glass-bg);
  backdrop-filter: var(--ax-glass-blur);
  -webkit-backdrop-filter: var(--ax-glass-blur);
  border: var(--ax-glass-border);
  box-shadow: var(--ax-glass-shadow), 0 0 24px rgba(77, 216, 255, 0.08);
  max-width: 1080px;
  width: 100%;
  transition: max-width 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              gap 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s ease;
  position: relative;
  box-sizing: border-box;
}

.ax-nav-bar.compressed {
  padding: 6px 18px;
  max-width: 1040px;
  gap: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16), 0 0 0 1px var(--ax-border-highlight);
}

.ax-nav-brand {
  font-family: var(--ax-font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--ax-text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap !important;
  flex-shrink: 0;
  line-height: 1;
}

.ax-nav-brand-badge {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: var(--ax-radius-pill);
  background: var(--ax-accent-cyan-tint);
  color: var(--ax-accent-cyan);
  border: 1px solid rgba(2, 132, 199, 0.2);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.ax-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap !important;
  flex-shrink: 1;
}

.ax-nav-links li {
  display: inline-flex;
  align-items: center;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.ax-nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ax-text-secondary);
  text-decoration: none;
  white-space: nowrap !important;
  display: inline-block;
  line-height: 1;
  transition: color 0.2s;
  padding: 4px 2px;
}

.ax-nav-links a:hover,
.ax-nav-links a.active {
  color: var(--ax-accent-cyan);
}

.ax-nav-bar.compressed .ax-nav-links {
  gap: 15px;
}

.ax-nav-bar.compressed .ax-nav-links a {
  font-size: 0.82rem;
}

.ax-nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.ax-theme-toggle {
  background: var(--ax-toggle-bg);
  color: var(--ax-toggle-color);
  border: 1px solid var(--ax-border);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ax-theme-toggle:hover {
  transform: rotate(180deg) scale(1.08);
}

.ax-nav-btn {
  font-family: var(--ax-font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: var(--ax-radius-pill);
  background: var(--ax-gradient-primary);
  color: #FFFFFF;
  text-decoration: none;
  border: none;
  white-space: nowrap !important;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(77, 216, 255, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

[data-theme="dark"] .ax-nav-btn {
  color: #050608;
  box-shadow: 0 4px 20px rgba(77, 231, 255, 0.45);
}

.ax-nav-btn:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 6px 24px rgba(125, 117, 255, 0.5);
}

.ax-nav-secondary-btn {
  white-space: nowrap !important;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}

/* Mobile Nav Toggle & Sheet */
.ax-mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--ax-text-primary);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.ax-mobile-sheet {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ax-glass-bg);
  backdrop-filter: blur(36px);
  -webkit-backdrop-filter: blur(36px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s;
}

.ax-mobile-sheet.open {
  opacity: 1;
  visibility: visible;
}

.ax-mobile-sheet a {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ax-text-primary);
  text-decoration: none;
  white-space: nowrap;
}

.ax-mobile-sheet a:hover,
.ax-mobile-sheet a.active {
  color: var(--ax-accent-cyan);
}

/* =============================================================================
   HERO & SECTION PRIMITIVES
   ============================================================================= */
.ax-hero {
  padding: 135px 0 60px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.ax-section {
  padding: 70px 0;
  position: relative;
  z-index: 1;
}

.ax-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ax-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ax-accent-cyan);
  background: var(--ax-accent-cyan-tint);
  border: 1px solid rgba(2, 132, 199, 0.22);
  padding: 5px 14px;
  border-radius: var(--ax-radius-pill);
  margin-bottom: 18px;
}

.ax-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--ax-text-primary);
  margin-bottom: 18px;
}

.ax-gradient-text {
  background: var(--ax-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.ax-hero-subtitle {
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  color: var(--ax-text-secondary);
  max-width: 720px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.ax-hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.ax-section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ax-text-primary);
  margin-bottom: 14px;
}

.ax-section-lead {
  font-size: 1.05rem;
  color: var(--ax-text-secondary);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 36px;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */
.ax-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ax-font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--ax-radius-pill);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap !important;
  flex-shrink: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ax-btn-solid {
  background: var(--ax-gradient-primary);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.35);
}

[data-theme="dark"] .ax-btn-solid {
  color: #050608;
  box-shadow: 0 4px 24px rgba(77, 231, 255, 0.4);
}

.ax-btn-solid:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

.ax-btn-glass {
  background: var(--ax-glass-bg);
  backdrop-filter: var(--ax-glass-blur);
  -webkit-backdrop-filter: var(--ax-glass-blur);
  border: var(--ax-glass-border);
  color: var(--ax-text-primary);
  box-shadow: var(--ax-glass-shadow);
}

.ax-btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--ax-accent-cyan);
  transform: translateY(-2px);
}

.ax-btn-sm {
  padding: 6px 14px;
  font-size: 0.78rem;
}

/* =============================================================================
   3D CARDS & SPECULAR SHINE
   ============================================================================= */
.ax-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.ax-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ax-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ax-card {
  background: var(--ax-bg-card);
  backdrop-filter: var(--ax-glass-blur);
  -webkit-backdrop-filter: var(--ax-glass-blur);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-lg);
  padding: 28px;
  box-shadow: var(--ax-card-shadow);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease;
}

.ax-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ax-gradient-border);
  opacity: 0.45;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.ax-card:hover {
  transform: translateY(-4px) translateZ(4px);
  box-shadow: var(--ax-card-shadow-hover);
  border-color: rgba(2, 132, 199, 0.3);
}

.ax-card:hover::before {
  opacity: 1;
  transform: scaleX(1.03);
}

.ax-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ax-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ax-accent-lime);
  background: var(--ax-accent-lime-tint);
  border: 1px solid rgba(5, 150, 105, 0.25);
  padding: 3px 10px;
  border-radius: var(--ax-radius-pill);
  margin-bottom: 14px;
}

.ax-card-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ax-text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.ax-card-desc {
  font-size: 0.88rem;
  color: var(--ax-text-secondary);
  line-height: 1.6;
}

.ax-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--ax-border-subtle);
}

.ax-chip {
  font-family: var(--ax-font-mono);
  font-size: 0.74rem;
  padding: 4px 10px;
  border-radius: var(--ax-radius-sm);
  background: var(--ax-bg-subtle);
  color: var(--ax-text-muted);
}

/* =============================================================================
   LEGAL & DOCUMENTATION STYLING (Privacy, Terms, Safety, Security, Guidelines)
   ============================================================================= */
.ax-legal-container {
  max-width: 920px;
  margin: 0 auto;
}

.ax-legal-header-box {
  background: var(--ax-bg-card);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-lg);
  padding: 36px;
  box-shadow: var(--ax-card-shadow);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}

.ax-legal-header-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ax-gradient-border);
}

.ax-legal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--ax-border-subtle);
  font-family: var(--ax-font-mono);
  font-size: 0.78rem;
  color: var(--ax-text-muted);
}

.ax-legal-toc {
  background: var(--ax-bg-subtle);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-md);
  padding: 24px;
  margin-bottom: 40px;
}

.ax-legal-toc-title {
  font-family: var(--ax-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ax-accent-cyan);
  margin-bottom: 12px;
}

.ax-legal-toc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 20px;
  list-style: none;
}

.ax-legal-toc-list a {
  font-size: 0.86rem;
  color: var(--ax-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.ax-legal-toc-list a:hover {
  color: var(--ax-accent-cyan);
}

.ax-legal-section {
  background: var(--ax-bg-card);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-lg);
  padding: 32px;
  margin-bottom: 28px;
  box-shadow: var(--ax-card-shadow);
}

.ax-legal-section-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ax-text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ax-legal-clause {
  margin-bottom: 18px;
  font-size: 0.92rem;
  color: var(--ax-text-secondary);
  line-height: 1.7;
}

.ax-legal-clause strong {
  color: var(--ax-text-primary);
}

.ax-legal-callout {
  background: var(--ax-bg-subtle);
  border-left: 4px solid var(--ax-accent-violet);
  padding: 16px 20px;
  border-radius: 0 var(--ax-radius-sm) var(--ax-radius-sm) 0;
  margin: 20px 0;
  font-size: 0.88rem;
  color: var(--ax-text-secondary);
  line-height: 1.65;
}

.ax-legal-callout-cyan {
  border-left-color: var(--ax-accent-cyan);
}

.ax-legal-callout-lime {
  border-left-color: var(--ax-accent-lime);
}

/* =============================================================================
   TABLES & ACCORDIONS
   ============================================================================= */
.ax-table-wrapper {
  overflow-x: auto;
  border-radius: var(--ax-radius-md);
  border: 1px solid var(--ax-border);
  margin: 24px 0;
}

.ax-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.ax-table th {
  background: var(--ax-bg-subtle);
  color: var(--ax-text-primary);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--ax-border);
  font-family: var(--ax-font-mono);
  font-size: 0.8rem;
}

.ax-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--ax-border-subtle);
  color: var(--ax-text-secondary);
}

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

.ax-faq-item {
  background: var(--ax-bg-card);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--ax-card-shadow);
}

.ax-faq-item summary {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ax-text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.ax-faq-item summary::-webkit-details-marker {
  display: none;
}

.ax-faq-item summary:hover {
  color: var(--ax-accent-cyan);
}

.ax-faq-answer {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--ax-text-secondary);
  line-height: 1.65;
  border-top: 1px solid var(--ax-border-subtle);
  padding-top: 16px;
}

/* =============================================================================
   FORMS & INPUTS
   ============================================================================= */
.ax-form-group {
  margin-bottom: 18px;
}

.ax-form-label {
  display: block;
  font-family: var(--ax-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ax-text-primary);
  margin-bottom: 8px;
}

.ax-input, .ax-select, .ax-textarea {
  width: 100%;
  background: var(--ax-bg-subtle);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius-sm);
  padding: 12px 16px;
  color: var(--ax-text-primary);
  font-family: var(--ax-font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ax-input:focus, .ax-select:focus, .ax-textarea:focus {
  border-color: var(--ax-accent-cyan);
  box-shadow: 0 0 0 3px var(--ax-accent-cyan-tint);
}

/* =============================================================================
   FOOTER
   ============================================================================= */
.ax-footer {
  border-top: 1px solid var(--ax-border);
  padding: 60px 0 40px;
  margin-top: 80px;
  background: var(--ax-bg-subtle);
  position: relative;
  z-index: 1;
}

.ax-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.ax-footer-brand {
  font-family: var(--ax-font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ax-text-primary);
}

.ax-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 24px;
}

.ax-footer-links a {
  font-size: 0.86rem;
  color: var(--ax-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.ax-footer-links a:hover {
  color: var(--ax-accent-cyan);
}

.ax-footer-canonical {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  font-family: var(--ax-font-mono);
  font-size: 0.76rem;
  color: var(--ax-text-muted);
}

.ax-footer-canonical a {
  color: var(--ax-accent-cyan);
  text-decoration: none;
}

.ax-footer-canonical a:hover {
  text-decoration: underline;
}

/* =============================================================================
   RESPONSIVE BREAKPOINTS
   ============================================================================= */
@media (max-width: 1140px) {
  .ax-nav-secondary-btn {
    display: none !important;
  }
}

@media (max-width: 960px) {
  .ax-nav-links {
    display: none !important;
  }
  .ax-mobile-menu-btn {
    display: inline-flex !important;
  }
  .ax-grid-3, .ax-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .ax-legal-toc-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .ax-grid-2, .ax-grid-3, .ax-grid-4 {
    grid-template-columns: 1fr;
  }
  .ax-nav-bar {
    padding: 6px 14px;
    gap: 12px;
  }
  .ax-nav-brand span {
    font-size: 0.88rem;
  }
  .ax-nav-btn {
    padding: 6px 12px;
    font-size: 0.76rem;
  }
}

@media (max-width: 420px) {
  .ax-nav-actions .ax-nav-btn {
    display: none !important;
  }
}