/* ==========================================================================
   ALEPPO STUDIO — 90s RETRO-COMMAND TERMINAL DESIGN SYSTEM
   Primary: #E85D04 | Background: #231B1B | Text: #EBEBEB
   Fonts: Doto (Display), Space Grotesk (Headings), Inconsolata (Body)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Doto:wght@400;700;900&family=Inconsolata:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --primary: #E85D04;
  --primary-glow: rgba(232, 93, 4, 0.4);
  --primary-dim: rgba(232, 93, 4, 0.15);
  --primary-border: rgba(232, 93, 4, 0.35);
  
  --bg-black: #231B1B;
  --surface-black: #191313;
  --card-bg: #2A2020;
  
  --text-white: #EBEBEB;
  --text-muted: #A89F9F;
  --text-dim: #6E6565;

  --font-display: 'Doto', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inconsolata', monospace;

  --scanline-opacity: 0.35;
}

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

html {
  background-color: var(--bg-black);
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-black);
  background-image: 
    linear-gradient(rgba(232, 93, 4, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 93, 4, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
  overflow-x: hidden;
}

/* Fullscreen Opening Intro Overlay */
.intro-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #231B1B;
  z-index: 100000;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.intro-overlay canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Scanlines Overlay */
.crt-scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.3) 50%
  );
  background-size: 100% 4px;
  opacity: var(--scanline-opacity);
  transition: opacity 0.3s ease;
}

.crt-scanlines.disabled {
  opacity: 0;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.font-display {
  font-family: var(--font-display);
}

.font-code {
  font-family: var(--font-heading);
}

.font-body {
  font-family: var(--font-body);
}

.text-orange {
  color: var(--primary) !important;
}

.text-white {
  color: var(--text-white) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.glow-text {
  text-shadow: 0 0 8px var(--primary-glow);
}

/* Monospace ASCII Art Styling */
pre.ascii-art {
  font-family: var(--font-heading);
  font-size: 13px;
  line-height: 1.15;
  color: var(--primary);
  letter-spacing: 0px;
  white-space: pre;
  overflow-x: auto;
  user-select: none;
  text-shadow: 0 0 6px var(--primary-glow);
}

.hero-ascii-logo {
  margin-bottom: 2rem;
  font-size: 11.5px;
  line-height: 1.15;
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary-glow);
  opacity: 0.95;
}

@media (max-width: 768px) {
  .hero-ascii-logo {
    font-size: 8px;
  }
}

@media (max-width: 480px) {
  .hero-ascii-logo {
    font-size: 5.5px;
  }
}

/* Blinking Cursor */
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  background-color: var(--primary);
  vertical-align: -0.15em;
  animation: blink 1s infinite;
  box-shadow: 0 0 8px var(--primary-glow);
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Container & Grid */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Terminal Header Nav */
.terminal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(35, 27, 27, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--primary-border);
  padding: 0.75rem 0 0.65rem;
}

.terminal-header .nav-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.header-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.header-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  text-decoration: none;
}

.nav-logo {
  height: 24px;
  width: auto;
  display: block;
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.brand-title:hover .nav-logo {
  opacity: 0.9;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
}

.brand-badge {
  background: var(--primary-dim);
  border: 1px solid var(--primary-border);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  font-family: var(--font-heading);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  text-shadow: 0 0 6px var(--primary-glow);
}

.nav-link::before {
  content: '>';
  color: var(--primary);
  opacity: 0;
  transition: opacity 0.2s ease;
  position: absolute;
  left: -0.75rem;
}

.nav-link:hover::before, .nav-link.active::before {
  opacity: 1;
}

/* Header Utilities (Language, Scanline toggle + Signal CTA) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.btn-terminal {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--surface-black);
  border: 1px solid var(--primary);
  padding: 0.4rem 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 0 10px rgba(232, 93, 4, 0.1);
}

.btn-terminal:hover {
  background: var(--primary);
  color: var(--bg-black);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-terminal-sm {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-color: var(--primary-border);
  color: var(--text-muted);
}

.btn-terminal-sm:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 4rem;
  border-bottom: 1px solid var(--primary-border);
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
}

.hero-globe-bg {
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  width: 720px;
  height: 720px;
  z-index: 1;
  pointer-events: auto;
  opacity: 0.95;
  cursor: grab;
}

.hero-globe-bg:active {
  cursor: grabbing;
}

.hero-globe-bg canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.globe-drag-hint {
  position: absolute;
  bottom: 25px;
  right: 50px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  color: var(--primary);
  background: rgba(25, 19, 19, 0.85);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--primary-border);
  pointer-events: none;
  letter-spacing: 0.5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  pointer-events: none;
}

.hero-text-block {
  max-width: 640px;
  pointer-events: auto;
}

.hero-content a, .hero-content button, .hero-content pre {
  pointer-events: auto;
}

@media (max-width: 1024px) {
  .hero-globe-bg {
    right: -15%;
    width: 600px;
    height: 600px;
    opacity: 0.7;
  }
}

@media (max-width: 768px) {
  .hero-globe-bg {
    right: -30%;
    width: 500px;
    height: 500px;
    opacity: 0.5;
  }
  .hero-text-block {
    max-width: 100%;
  }
}

.hero-meta {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1.1;
  color: var(--text-white);
  margin-bottom: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .hero-headline {
    font-size: 2.2rem;
  }
}

.hero-subhead {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-box {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Section Box Styling */
.section-block {
  padding: 5rem 0;
  border-bottom: 1px solid var(--primary-border);
}

.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2rem;
  color: var(--text-white);
}

/* Terminal Window Frame */
.terminal-card {
  background: var(--surface-black);
  border: 1px solid var(--primary-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.terminal-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(232, 93, 4, 0.15);
}

.card-topbar {
  background: #140D0D;
  border-bottom: 1px solid var(--primary-border);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-dots {
  display: flex;
  gap: 6px;
}

.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-border);
}

.card-dot.active {
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

.card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.terminal-card .btn-terminal {
  margin-top: auto;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 850px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Case Study Grid & Cards */
.case-study-card {
  background: var(--card-bg);
  border: 1px solid var(--primary-border);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.case-study-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 93, 4, 0.15);
}

.case-study-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--primary-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-study-title {
  font-size: 1.2rem;
  color: var(--text-white);
}

.case-study-category {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.case-study-content {
  padding: 1.25rem;
  flex-grow: 1;
}

.case-study-one-liner {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.case-study-tag {
  background: rgba(255, 255, 255, 0.04);
  padding: 0.15rem 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Filter Controls */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  background: var(--surface-black);
  border: 1px solid var(--primary-border);
  color: var(--text-muted);
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

/* Interactive Command Terminal Prompt (CLI Box) */
.cli-box {
  background: #110B0B;
  border: 1px solid var(--primary-border);
  padding: 1.25rem;
  margin-top: 3rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.cli-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-white);
}

.cli-prompt {
  color: var(--primary);
  font-weight: 700;
}

.cli-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  width: 100%;
}

.cli-output {
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: pre-wrap;
}

/* Footer */
.terminal-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--primary-border);
  background: var(--surface-black);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Utility Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
  animation: fadeIn 0.4s ease forwards;
}

/* Documentation Page Styles */
.docs-layout {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 5rem;
}

.docs-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.docs-menu-card {
  height: fit-content;
  overflow: visible;
}

.docs-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.doc-tab-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  padding: 0.65rem 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  box-sizing: border-box;
  flex-shrink: 0;
}

.doc-tab-btn:hover {
  color: var(--primary);
  background: var(--primary-dim);
  border-color: var(--primary-border);
}

.doc-tab-btn.active {
  color: var(--bg-black) !important;
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  text-shadow: none;
  box-shadow: 0 0 8px var(--primary-glow);
}

.doc-tab-btn::before {
  content: '[ ]';
  font-family: var(--font-body);
  color: var(--text-dim);
  flex-shrink: 0;
}

.doc-tab-btn.active::before {
  content: '[x]';
  color: inherit;
}

.doc-viewer-card {
  min-height: 500px;
}

.doc-viewer-body {
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.doc-pane {
  display: none;
  animation: fadeIn 0.3s ease-in-out forwards;
}

.doc-pane.active {
  display: block;
}

.doc-pane h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--primary);
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 0.5rem;
  text-shadow: 0 0 6px var(--primary-glow);
}

.doc-pane h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-white);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.doc-pane p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.doc-pane ul, .doc-pane ol {
  margin-bottom: 1.5rem;
  padding-left: 1.25rem;
  list-style: none;
}

.doc-pane li {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  position: relative;
  font-size: 0.95rem;
}

.doc-pane ul li::before {
  content: '>';
  color: var(--primary);
  position: absolute;
  left: -1.25rem;
  font-family: var(--font-body);
}

/* Retro table for Retainer tiers */
.retro-table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--primary-border);
  background: var(--surface-black);
}

.retro-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-align: left;
}

.retro-table th, .retro-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--primary-border);
  color: var(--text-muted);
}

.retro-table th {
  background: var(--primary-dim);
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  text-shadow: 0 0 4px var(--primary-glow);
}

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

.retro-table td strong {
  color: var(--text-white);
}

@media (max-width: 768px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .docs-menu-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    white-space: nowrap;
  }
  
  .doc-tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .doc-viewer-body {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   ACCESSIBILITY CONTROL SUITE (A11Y)
   ========================================================================== */

/* Skip Link for Keyboard & Screen Reader Users */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--primary);
  color: #000;
  padding: 0.6rem 1.2rem;
  font-weight: 700;
  font-family: var(--font-body);
  text-decoration: none;
  z-index: 100005;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #FFFF00;
}

/* Sticky Floating Accessibility Trigger Button (Aligned with Container Right Gridline) */
.a11y-sticky-trigger {
  position: fixed;
  top: calc(var(--header-height, 90px) + 12px);
  right: max(1.5rem, calc((100vw - 1200px) / 2 + 1.5rem));
  z-index: 9990;
  background: var(--surface-black);
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 0.4rem 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 0 10px rgba(232, 93, 4, 0.15);
  backdrop-filter: blur(8px);
  border-radius: 0;
  transition: all 0.2s ease;
}

.a11y-sticky-trigger:hover,
.a11y-sticky-trigger:focus-visible {
  background: var(--primary);
  color: var(--bg-black);
  box-shadow: 0 0 15px var(--primary-glow);
}

/* Accessibility Modal Overlay & Dialog */
.a11y-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 8, 8, 0.85);
  backdrop-filter: blur(6px);
  z-index: 100000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.a11y-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.a11y-modal-dialog {
  background: var(--surface-black);
  border: 2px solid var(--primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--primary-glow);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 0;
  color: var(--text-white);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.a11y-modal-overlay.active .a11y-modal-dialog {
  transform: scale(1);
}

.a11y-modal-header {
  background: #231B1B;
  border-bottom: 1px solid var(--primary-border);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.a11y-modal-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
}

.a11y-close-btn {
  background: transparent;
  border: 1px solid var(--primary-border);
  color: var(--text-white);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: all 0.2s ease;
}

.a11y-close-btn:hover,
.a11y-close-btn:focus-visible {
  background: var(--primary);
  color: #191313;
  border-color: var(--primary);
}

.a11y-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.a11y-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(232, 93, 4, 0.15);
}

.a11y-control-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.a11y-control-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.a11y-control-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.02em;
}

.a11y-control-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Toggle Switch Button */
.a11y-toggle-btn {
  background: #2A2020;
  color: var(--text-muted);
  border: 1px solid var(--primary-border);
  padding: 0.35rem 0.8rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: all 0.2s ease;
  min-width: 90px;
  text-align: center;
}

.a11y-toggle-btn.active {
  background: var(--primary);
  color: #191313;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.a11y-toggle-btn:hover {
  border-color: var(--primary);
}

/* Sliding Scale Range Slider Styling */
.a11y-slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.a11y-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: #2A2020;
  border: 1px solid var(--primary-border);
  border-radius: 0;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.a11y-slider:hover,
.a11y-slider:focus-visible {
  border-color: var(--primary);
}

.a11y-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 0;
  background: var(--primary);
  border: 1px solid #FFFFFF;
  cursor: pointer;
  box-shadow: 0 0 8px var(--primary-glow);
}

.a11y-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 0;
  background: var(--primary);
  border: 1px solid #FFFFFF;
  cursor: pointer;
  box-shadow: 0 0 8px var(--primary-glow);
}

.a11y-value-badge {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: #231B1B;
  border: 1px solid var(--primary-border);
  padding: 0.25rem 0.6rem;
  border-radius: 0;
  min-width: 55px;
  text-align: center;
}

.a11y-reset-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--primary-border);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: all 0.2s ease;
  align-self: flex-start;
}

.a11y-reset-btn:hover,
.a11y-reset-btn:focus-visible {
  color: #FFF;
  border-color: var(--primary);
  background: rgba(232, 93, 4, 0.1);
}

.a11y-shortcut-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.5rem;
  border-top: 1px dashed var(--primary-border);
  padding-top: 0.75rem;
}

.a11y-shortcut-note kbd {
  background: #2A2020;
  border: 1px solid var(--primary-border);
  color: var(--primary);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: var(--font-body);
}

/* Reading Ruler Line */
.a11y-reading-guide-line {
  position: fixed;
  left: 0;
  right: 0;
  height: 24px;
  background: rgba(255, 255, 0, 0.2);
  border-top: 2px solid #FFFF00;
  border-bottom: 2px solid #FFFF00;
  pointer-events: none;
  z-index: 100000;
  transform: translateY(-50%);
  display: none;
  box-shadow: 0 0 12px rgba(255, 255, 0, 0.4);
}

.a11y-reading-guide-line.active {
  display: block;
}

/* ==========================================================================
   HIGH CONTRAST & ACCESSIBILITY MODES
   ========================================================================== */

/* 1. High Contrast Palette Override */
html.a11y-high-contrast {
  --bg-black: #000000 !important;
  --surface-black: #050505 !important;
  --card-bg: #0D0D0D !important;
  --text-white: #FFFFFF !important;
  --text-muted: #F0F0F0 !important;
  --text-dim: #D5D5D5 !important;
  
  --primary: #FFFF00 !important;
  --primary-glow: rgba(255, 255, 0, 0.8) !important;
  --primary-dim: rgba(255, 255, 0, 0.2) !important;
  --primary-border: #FFFF00 !important;
}

html.a11y-high-contrast body {
  background-color: #000000 !important;
  background-image: none !important;
  color: #FFFFFF !important;
}

html.a11y-high-contrast .terminal-card,
html.a11y-high-contrast .terminal-header,
html.a11y-high-contrast .terminal-footer,
html.a11y-high-contrast .a11y-modal-dialog,
html.a11y-high-contrast .card-topbar {
  border-color: #FFFF00 !important;
  background-color: #000000 !important;
}

html.a11y-high-contrast a {
  color: #FFFF00 !important;
  text-decoration: underline !important;
}

html.a11y-high-contrast .btn-terminal {
  border-color: #FFFF00 !important;
  color: #FFFF00 !important;
}

html.a11y-high-contrast .btn-terminal:hover {
  background: #FFFF00 !important;
  color: #000000 !important;
}

/* 2. Dyslexia / Clean Readable Font & Spacing Mode */
html.a11y-dyslexic,
html.a11y-dyslexic body,
html.a11y-dyslexic p,
html.a11y-dyslexic li,
html.a11y-dyslexic a,
html.a11y-dyslexic span,
html.a11y-dyslexic button,
html.a11y-dyslexic input,
html.a11y-dyslexic td,
html.a11y-dyslexic th {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
  line-height: 1.85 !important;
  letter-spacing: 0.08em !important;
  word-spacing: 0.12em !important;
}

/* 3. High Visibility Focus Ring Mode */
html.a11y-focus-ring *:focus-visible,
body.a11y-focus-ring *:focus-visible {
  outline: 3px solid #FFFF00 !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 12px rgba(255, 255, 0, 0.9) !important;
}

/* 4. Highlight Links Mode */
html.a11y-highlight-links a {
  text-decoration: underline !important;
  text-decoration-thickness: 2px !important;
  text-underline-offset: 4px !important;
  background-color: rgba(232, 93, 4, 0.25) !important;
  color: #FFFFFF !important;
  padding: 0 4px !important;
  border-radius: 2px !important;
}

html.a11y-high-contrast.a11y-highlight-links a {
  background-color: rgba(255, 255, 0, 0.3) !important;
  color: #FFFF00 !important;
}

/* 5. Reduced Motion Mode */
html.a11y-reduce-motion *,
html.a11y-reduce-motion *::before,
html.a11y-reduce-motion *::after {
  animation-duration: 0.001s !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001s !important;
  scroll-behavior: auto !important;
}

/* ==========================================================================
   INTERNATIONALIZATION (I18N) & CLOUDFLARE GEO-IP STYLES
   ========================================================================== */

.i18n-header-btn {
  color: var(--primary) !important;
  border-color: var(--primary-border) !important;
  padding: 0.35rem 0.75rem !important;
  font-size: 0.8rem !important;
}

/* Modal Overlay & Container */
.i18n-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 8, 8, 0.85);
  backdrop-filter: blur(6px);
  z-index: 100000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.i18n-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.i18n-modal-dialog {
  background: var(--surface-black);
  border: 2px solid var(--primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--primary-glow);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  color: var(--text-white);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.i18n-modal-overlay.active .i18n-modal-dialog {
  transform: scale(1);
}

.i18n-modal-header {
  background: #231B1B;
  border-bottom: 1px solid var(--primary-border);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.i18n-modal-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.i18n-close-btn {
  background: transparent;
  border: 1px solid var(--primary-border);
  color: var(--text-white);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.i18n-close-btn:hover,
.i18n-close-btn:focus-visible {
  background: var(--primary);
  color: #191313;
  border-color: var(--primary);
}

.i18n-modal-body {
  padding: 1.5rem;
}

.i18n-modal-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Language Selection Cards Grid */
.i18n-lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 580px) {
  .i18n-lang-grid {
    grid-template-columns: 1fr;
  }
}

.i18n-lang-card {
  background: #1C1515;
  border: 1px solid var(--primary-border);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  color: var(--text-white);
}

.i18n-lang-card:hover {
  border-color: var(--primary);
  background: var(--primary-dim);
  box-shadow: 0 0 10px rgba(232, 93, 4, 0.2);
}

.i18n-lang-card.active {
  background: var(--primary) !important;
  color: var(--bg-black) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 15px var(--primary-glow);
}

.i18n-lang-card.active .i18n-lang-code {
  color: var(--bg-black) !important;
}

.i18n-lang-flag {
  font-size: 1.4rem;
}

.i18n-lang-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  flex: 1;
}

.i18n-lang-code {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--primary);
}

/* Cloudflare Edge Geo Toast Banner */
.i18n-geo-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9995;
  background: var(--surface-black);
  border: 1px solid var(--primary);
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.8), 0 0 15px var(--primary-glow);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.35s ease;
}

.i18n-geo-toast.active {
  transform: translateY(0);
  opacity: 1;
}

.i18n-toast-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.i18n-toast-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.i18n-toast-text {
  font-size: 0.875rem;
  color: var(--text-white);
  line-height: 1.4;
}

.i18n-toast-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}