@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* SpaceX Cinematic Palette */
  --bg-primary: #000000;
  --bg-secondary: #080808;
  --bg-card: rgba(10, 10, 10, 0.7);
  --bg-card-hover: rgba(20, 20, 20, 0.95);
  --border-color: rgba(255, 255, 255, 0.12);
  --border-color-hover: rgba(255, 255, 255, 0.25);
  
  --primary: #ffffff;
  --primary-glow: rgba(255, 255, 255, 0.15);
  --secondary: #00d2ff;
  --secondary-glow: rgba(0, 210, 255, 0.15);
  --cta: #00d2ff;
  --cta-hover: #33e0ff;
  
  --text-main: #d1d1d6;
  --text-title: #ffffff;
  --text-muted: #8e8e93;
  --text-nav: #aeaeb2;
  
  /* Font Pairing */
  --font-heading: 'JetBrains Mono', monospace;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* Layout & Spacing */
  --max-width: 1320px;
  --nav-height: 80px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-normal: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Light Laboratory Mode Overrides */
[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f0f0f0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(240, 240, 240, 0.95);
  --border-color: rgba(0, 0, 0, 0.15);
  --border-color-hover: rgba(0, 0, 0, 0.3);
  
  --primary: #000000;
  --primary-glow: rgba(0, 0, 0, 0.08);
  --secondary: #0066cc;
  --secondary-glow: rgba(0, 102, 204, 0.08);
  --cta: #0066cc;
  --cta-hover: #0052a3;
  
  --text-main: #333333;
  --text-title: #000000;
  --text-muted: #666666;
  --text-nav: #444444;
}

[data-theme="light"] .telemetry-dashboard {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .telemetry-dashboard::before {
  background: url('../assets/hero_backdrop_light.png') no-repeat center center;
  background-size: cover;
  opacity: 0.75;
}

[data-theme="light"] .telemetry-header {
  background: rgba(245, 245, 247, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .telemetry-logo-label {
  color: #000000;
}

[data-theme="light"] .telemetry-stat-card {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .telemetry-stat-num {
  color: #000000;
}

[data-theme="light"] .telemetry-console-body {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.12);
  color: #222222;
}

[data-theme="light"] .console-line {
  color: #222222;
}

[data-theme="light"] .console-line span.dim {
  color: #666666;
}

[data-theme="light"] .console-loading-bar {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .lab-window {
  background: #ffffff !important;
  border-color: rgba(0, 0, 0, 0.15) !important;
}

[data-theme="light"] .lab-window-header {
  background: rgba(245, 245, 247, 0.95) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
}

[data-theme="light"] .lab-title {
  color: #555555 !important;
}

[data-theme="light"] .sim-backend-terminal {
  background: #fcfcfd !important;
  border-right-color: rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .sim-console-log {
  color: #222222 !important;
}

[data-theme="light"] .sim-console-log span.system {
  color: #777777 !important;
}

[data-theme="light"] .sim-running-state {
  border-top-color: rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .client-mock-container {
  background: #f7f7f9 !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .lab-tab:hover {
  background: rgba(0, 0, 0, 0.02) !important;
}

[data-theme="light"] .lab-tab.active {
  background: rgba(0, 0, 0, 0.04) !important;
  border-left-color: var(--secondary) !important;
}

[data-theme="light"] .client-mock-header {
  border-bottom-color: rgba(0, 0, 0, 0.1);
  color: #555555;
}

[data-theme="light"] .client-mock-header strong {
  color: #000000;
}

[data-theme="light"] .client-mock-canvas {
  color: #111111;
}

[data-theme="light"] .mail-composer-field {
  border-bottom-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .mock-bingo-cell {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.01);
}

[data-theme="light"] .mock-bingo-cell.marked {
  background: rgba(0, 102, 204, 0.08);
  border-color: var(--secondary);
}

[data-theme="light"] .mock-bingo-cell.marked .mock-bingo-label {
  color: #000000;
}

[data-theme="light"] .mock-stat-input-box {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.01);
  color: #666666;
}

[data-theme="light"] .mock-stat-input-box span {
  color: #000000;
}

[data-theme="light"] .mock-stat-result-panel {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 102, 204, 0.04);
}

[data-theme="light"] .mock-result-box h5 {
  color: #555555;
}

[data-theme="light"] .mock-result-box div {
  color: var(--secondary);
}

[data-theme="light"] .mock-scorecard-table th, [data-theme="light"] .mock-scorecard-table td {
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .mock-scorecard-table th {
  background: rgba(0, 0, 0, 0.03);
  color: #000000;
}

[data-theme="light"] .mock-scorecard-table td.birdie {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

[data-theme="light"] .mock-novel-prompt {
  border-color: rgba(0, 102, 204, 0.2);
  background: rgba(0, 102, 204, 0.03);
  color: var(--secondary);
}

[data-theme="light"] .mock-novel-canvas {
  color: #111111;
}

/* Base resets & scrollbar */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  letter-spacing: 0.02em;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Multilingual Line Wrap Adjustments */
h1, h2, h3, h4, p, span, a, label, blockquote, .badge-glow {
  word-break: keep-all;
  overflow-wrap: break-word;
  word-wrap: break-word;
  line-break: strict;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 3rem;
  position: relative;
  z-index: 2;
}

/* Fine tech grid background */
.bg-glow-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.bg-glow-1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.07) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 60px 60px, 60px 60px;
}

[data-theme="light"] .bg-glow-1 {
  background-image: 
    radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.05) 0%, transparent 50%),
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
}

/* Typography elements */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-title);
  line-height: 1.15;
}

/* SpaceX Widescreen Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-normal);
}

[data-theme="light"] .navbar {
  background: rgba(250, 250, 250, 0.85);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-nav);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-title);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-title);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* SpaceX Minimalist Buttons with GitHub Stacking Context & Border */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-title);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--text-title);
  transition: left var(--transition-normal);
  z-index: -1;
}

.btn:hover {
  color: var(--bg-primary);
  border-color: var(--text-title);
}

.btn:hover::before {
  left: 0;
}

/* Primary overlay button style */
.btn-primary {
  border-color: var(--text-title);
  background: transparent;
}

.btn-secondary {
  border-color: var(--border-color);
  opacity: 0.8;
}

.btn-secondary:hover {
  opacity: 1;
}

/* Theme Toggle & Language Switcher */
.theme-btn, .lang-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem;
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-btn:hover, .lang-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-title);
}

[data-theme="light"] .theme-btn:hover, [data-theme="light"] .lang-btn:hover {
  background: rgba(0, 0, 0, 0.03);
}

.theme-btn svg {
  width: 18px;
  height: 18px;
}

/* Language selector dropdown */
.lang-dropdown-wrapper {
  position: relative;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0;
  display: none;
  flex-direction: column;
  min-width: 160px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 1001;
  overflow: hidden;
}

.lang-dropdown.active {
  display: flex;
}

.lang-dropdown-header {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.01);
}

.lang-option {
  padding: 0.6rem 1rem;
  background: none;
  border: none;
  color: var(--text-nav);
  text-align: left;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  transition: all var(--transition-fast);
}

.lang-check {
  font-size: 0.8rem;
  color: var(--secondary);
  width: 14px;
  display: inline-flex;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.lang-option.active .lang-check {
  opacity: 1;
}

.lang-option:hover {
  color: var(--text-title);
  background: rgba(255, 255, 255, 0.04);
}

.lang-option.active {
  color: var(--text-title);
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .lang-dropdown {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .lang-option:hover {
  background: rgba(0, 0, 0, 0.03) !important;
}

/* Hero Section - Full Widescreen */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  padding-bottom: 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.badge-glow {
  align-self: flex-start;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-title);
  text-transform: uppercase;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.05;
  font-weight: 800;
}

.hero-title span {
  color: var(--secondary);
  background: linear-gradient(135deg, var(--text-title) 30%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1.5rem;
}

/* Widescreen Telemetry/Dashboard visuals instead of phone */
.hero-visual {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.telemetry-dashboard {
  width: 100%;
  aspect-ratio: 1.2 / 1;
  background: rgba(5, 5, 5, 0.75);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8);
  font-family: var(--font-heading);
}

.telemetry-dashboard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/hero_backdrop.png') no-repeat center center;
  background-size: cover;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.telemetry-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10;
  position: relative;
}

.telemetry-logo-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 0.1em;
}

.telemetry-status-glow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  color: var(--secondary);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 10px var(--secondary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.telemetry-grid-content {
  padding: 1.5rem;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1.25rem;
  height: calc(100% - 50px);
  position: relative;
  z-index: 2;
}

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

.telemetry-stat-card {
  border: 1px solid var(--border-color);
  padding: 1rem;
  background: rgba(0, 0, 0, 0.4);
}

.telemetry-stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-title);
}

.telemetry-stat-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.telemetry-console-body {
  border: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.6);
  padding: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-main);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  line-height: 1.6;
}

.console-line {
  margin-bottom: 0.4rem;
  opacity: 0.8;
  display: flex;
  gap: 0.75rem;
}

.console-line span.cyan { color: var(--secondary); }
.console-line span.dim { color: var(--text-muted); }

.console-loading-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
}

.console-loading-progress {
  width: 45%;
  height: 100%;
  background: var(--secondary);
  position: absolute;
  top: 0;
  left: 0;
  animation: loadAnim 3s infinite linear;
}

@keyframes loadAnim {
  0% { left: -45%; }
  100% { left: 100%; }
}

/* Sections generic styling */
.section {
  padding: 8rem 0;
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 2;
}

.section-header {
  margin-bottom: 6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.7;
}

/* App Matrix Showcase (SpaceX Outline Style) */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  border: none;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.app-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: var(--secondary);
  box-shadow: 0 10px 30px rgba(0, 210, 255, 0.08);
}

[data-theme="light"] .app-card:hover {
  box-shadow: 0 10px 30px rgba(0, 102, 204, 0.08) !important;
  border-color: var(--secondary) !important;
}

.app-icon-wrapper {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all var(--transition-normal);
}

.app-card:hover .app-icon-wrapper {
  border-color: var(--secondary);
  background: var(--secondary-glow);
}

.app-icon-wrapper svg {
  width: 20px;
  height: 20px;
  color: var(--text-title);
  transition: all var(--transition-normal);
}

.app-card:hover .app-icon-wrapper svg {
  color: var(--secondary);
}

.app-tags {
  display: flex;
  gap: 0.5rem;
}

.app-tag {
  font-family: var(--font-body);
  text-transform: none;
  font-size: 0.7rem;
  color: var(--secondary);
  background: var(--secondary-glow);
  padding: 0.15rem 0.6rem;
  border-radius: 2em;
  border: 1px solid rgba(0, 210, 255, 0.15);
  font-weight: 500;
  transition: all var(--transition-fast);
}

[data-theme="light"] .app-tag {
  border-color: rgba(0, 102, 204, 0.15) !important;
}

.app-card-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.app-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex-grow: 1;
}

.app-card-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-title);
  transition: gap var(--transition-fast);
}

.app-card:hover .app-card-link {
  color: var(--secondary);
}

/* Widescreen App Detail Drawer (SpaceX outline) */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 700px;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.drawer-overlay.active .drawer {
  transform: translateX(0);
}

.drawer-header {
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.drawer-close {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-title);
  padding: 0.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.drawer-close:hover {
  border-color: var(--text-title);
  background: rgba(255, 255, 255, 0.05);
}

.drawer-close svg {
  width: 18px;
  height: 18px;
}

.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.drawer-app-profile {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.drawer-app-icon {
  width: 70px;
  height: 70px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-title);
  font-size: 2rem;
}

.drawer-app-profile-info h3 {
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

.drawer-app-profile-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.drawer-section h4 {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.drawer-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.drawer-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--text-main);
  line-height: 1.6;
}

.drawer-features-list li svg {
  width: 18px;
  height: 18px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.drawer-downloads {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.75rem;
  border: 1px solid var(--border-color);
  color: var(--text-title);
  background: transparent;
  text-decoration: none;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  transition: all var(--transition-fast);
}

.download-btn:hover {
  border-color: var(--text-title);
  background: rgba(255, 255, 255, 0.05);
}

.download-btn svg {
  width: 18px;
  height: 18px;
}

/* Widescreen App Simulation Lab (SpaceX Split-Screen Console Style) */
.lab-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 4rem;
  align-items: start;
}

.lab-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-left: none;
}

.lab-tab {
  background: transparent;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  padding: 1.25rem 1.5rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-radius: 6px;
}

.lab-tab:hover {
  background: rgba(255, 255, 255, 0.04);
}

.lab-tab.active {
  background: rgba(255, 255, 255, 0.06);
  border-left-color: var(--secondary);
  border-color: var(--border-color) var(--border-color) var(--border-color) var(--secondary);
}

.lab-tab h4 {
  font-size: 1rem;
  font-weight: 700;
  transition: color var(--transition-fast);
}

.lab-tab.active h4 {
  color: var(--text-title);
}

.lab-tab p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Telemetry Terminal Preview Screen */
.lab-window {
  background: #050505;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  min-height: 520px;
  font-family: var(--font-heading);
}

.lab-window-header {
  background: rgba(10, 10, 10, 0.9);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lab-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.lab-window-body {
  padding: 1.5rem;
  flex: 1;
  display: none;
  position: relative;
  overflow: hidden;
}

/* Split-screen layout: Developer Terminal (Bottom) + Client Mockup UI (Top) */
.lab-window-body.active {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .lab-window-body.active {
    gap: 1.25rem;
  }
}

/* Scanning Line Effect */
.lab-window-body::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(0, 210, 255, 0.05);
  pointer-events: none;
  animation: scanLine 6s infinite linear;
}

@keyframes scanLine {
  0% { top: 0; }
  100% { top: 100%; }
}

/* Left: Sim Developer Console Panel (Stacked on Bottom) */
.sim-backend-terminal {
  order: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: none;
  border-top: 1px solid var(--border-color);
  padding-right: 0;
  padding-top: 1rem;
  height: auto;
  flex: 0.7;
  min-height: 160px;
}

@media (max-width: 900px) {
  .sim-backend-terminal {
    border-right: none;
    padding-right: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
  }
}

.sim-telemetry-header {
  font-size: 0.65rem;
  color: var(--secondary);
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.sim-console-log {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-main);
  white-space: pre-wrap;
  min-height: 100px;
  max-height: 120px;
  overflow-y: auto;
}

.sim-console-log span { display: block; margin-bottom: 0.25rem; }
.sim-console-log span.system { color: var(--text-muted); }
.sim-console-log span.success { color: #10b981; }
.sim-console-log span.info { color: var(--secondary); }

.sim-running-state {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.sim-status-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sim-status-indicator {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Right: Client Graphic Mockup Panel (Stacked on Top) */
.sim-app-ui {
  order: 1;
  display: flex;
  flex-direction: column;
  height: auto;
  flex: 1.3;
  min-height: 250px;
}

.client-mock-container {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.client-mock-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.client-mock-header strong {
  color: var(--text-title);
  font-weight: 600;
}

.client-mock-canvas {
  flex: 1;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-title);
  overflow-y: auto;
  white-space: pre-wrap;
  min-height: 200px;
}

/* Specific Client Graphic Mock Elements */
/* A. Letterly AI mock mail */
.mail-composer-field {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0;
}

/* B. SoccerBingo mock Board */
.mock-bingo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.mock-bingo-cell {
  aspect-ratio: 1.2;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.25rem;
  background: rgba(255,255,255,0.01);
  transition: all var(--transition-fast);
}

.mock-bingo-cell.marked {
  background: rgba(0, 210, 255, 0.08);
  border-color: var(--secondary);
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.15);
}

.mock-bingo-icon {
  font-size: 0.9rem;
  margin-bottom: 0.1rem;
}

.mock-bingo-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}

.mock-bingo-cell.marked .mock-bingo-label {
  color: var(--text-title);
  font-weight: 500;
}

/* C. BaseballPro Calculator Widget */
.mock-stat-dashboard {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mock-stat-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.mock-stat-input-box {
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}

.mock-stat-input-box span {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-title);
  margin-top: 0.15rem;
}

.mock-stat-result-panel {
  border: 1px solid var(--border-color);
  background: rgba(0, 210, 255, 0.04);
  padding: 0.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  text-align: center;
}

.mock-result-box h5 {
  font-size: 0.55rem;
  color: var(--text-muted);
}

.mock-result-box div {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--secondary);
}

/* D. Golf Scorecard layout */
.mock-scorecard-table {
  width: 100%;
  border-collapse: collapse;
}

.mock-scorecard-table th, .mock-scorecard-table td {
  border: 1px solid var(--border-color);
  padding: 0.4rem;
  text-align: center;
  font-size: 0.7rem;
}

.mock-scorecard-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-title);
}

.mock-scorecard-table td.birdie {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  font-weight: bold;
}

/* E. AI Novel Creator editor canvas */
.mock-novel-prompt {
  font-size: 0.65rem;
  color: var(--secondary);
  border: 1px solid rgba(0, 210, 255, 0.2);
  background: rgba(0, 210, 255, 0.03);
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.mock-novel-canvas {
  font-family: serif;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-title);
  overflow-y: auto;
  height: 100px;
}

/* Core tech Philosophy Grid (SpaceX Outline cards) */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
  border-left: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
}

.advantage-card {
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 4rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--transition-normal);
}

.advantage-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-title);
  margin-bottom: 0.5rem;
}

.advantage-icon svg {
  width: 20px;
  height: 20px;
}

.advantage-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.advantage-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Reviews Grid (SpaceX Outline) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 0;
  border-left: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
}

.review-card {
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.review-rating {
  color: var(--text-title);
  display: flex;
  gap: 0.25rem;
}

.review-rating svg {
  width: 16px;
  height: 16px;
}

.review-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
}

.review-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.review-avatar {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-title);
}

.review-author-info h4 {
  font-family: var(--font-body);
  text-transform: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0;
}

.review-author-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Contact Grid (SpaceX Outline) */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 5rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-info h3 {
  font-size: 2rem;
  font-weight: 800;
}

.contact-info p {
  color: var(--text-muted);
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  align-items: start;
  gap: 1.25rem;
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-title);
  flex-shrink: 0;
}

.contact-method-icon svg {
  width: 18px;
  height: 18px;
}

.contact-method-text h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.25rem;
}

.contact-method-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* SpaceX Form outlines */
.contact-form {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.sim-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sim-field label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sim-input, .sim-textarea {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  color: var(--text-title);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  border-radius: 0;
  transition: all var(--transition-fast);
}

.sim-input:focus, .sim-textarea:focus {
  border-color: var(--text-title);
}

/* Footer Section */
.footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 6rem 0 3rem;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 5rem;
  margin-bottom: 5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 360px;
  line-height: 1.7;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.footer-links-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-title);
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer-links-col a:hover {
  color: var(--text-title);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-heading);
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-social-link {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-social-link:hover {
  color: var(--text-title);
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
}

/* Legal template overrides matching SpaceX */
.legal-page-layout {
  padding-top: calc(var(--nav-height) + 5rem);
  padding-bottom: 8rem;
}

.legal-card {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 4rem 5rem;
}

.legal-card h1 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.legal-card h2 {
  font-size: 1.25rem;
  margin: 3rem 0 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.legal-card p {
  margin-bottom: 1.25rem;
  color: var(--text-main);
  line-height: 1.8;
}

.legal-card ul {
  padding-left: 2rem;
  margin-bottom: 1.25rem;
}

.legal-card li {
  margin-bottom: 0.6rem;
}

/* Accessibility & Utility */
.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;
}

/* Responsive grid overrides */
@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-desc {
    margin: 0 auto;
  }
  .badge-glow {
    align-self: center;
  }
  
  .lab-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .lab-tabs {
    flex-direction: row;
    overflow-x: auto;
    border-left: none;
    border-bottom: 1px solid var(--border-color);
  }
  .lab-tab {
    flex-shrink: 0;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 1rem 1.5rem;
  }
  .lab-tab.active {
    border-bottom-color: var(--text-title);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  .nav-links {
    display: none; /* simple SpaceX clean look */
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-form-row {
    grid-template-columns: 1fr;
  }
  .legal-card {
    padding: 3rem 2rem;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
}

/* GitHub-Style Focus Outline Rings */
.sim-input:focus, .sim-textarea:focus, .btn:focus, .theme-btn:focus, .lang-btn:focus, .lang-option:focus {
  outline: 2px solid var(--secondary) !important;
  outline-offset: 1px;
}

/* Light Mode Simulation Lab Border Adjustments */
[data-theme="light"] .sim-backend-terminal {
  background: #fcfcfd !important;
  border-top-color: rgba(0, 0, 0, 0.1) !important;
  border-right: none !important;
}

[data-theme="light"] .lab-tab.active {
  border-color: rgba(0, 0, 0, 0.12) rgba(0, 0, 0, 0.12) rgba(0, 0, 0, 0.12) var(--secondary) !important;
}