/* ==========================================================================
   Vision Patrol — Enterprise Autonomous Visual Intelligence Website
   Design System & Tokens (Dark & Light Modes)
   ========================================================================== */

:root,
[data-theme="dark"] {
  --bg-canvas: #080A0F;
  --bg-elevated: #0D1117;
  --bg-surface: #131822;
  --bg-surface-hover: #1A2130;
  --bg-glass: rgba(13, 17, 23, 0.82);
  --bg-glass-subtle: rgba(255, 255, 255, 0.04);
  --bg-segmented: #0B0E15;
  --bg-segmented-active: #1E2636;
  --bg-code: #06080C;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-on-accent: #FFFFFF;

  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-focus: #0A84FF;
  --specular-top: inset 0 1px 0 rgba(255, 255, 255, 0.08);

  --accent-blue: #0A84FF;
  --accent-blue-hover: #2994FF;
  --accent-blue-soft: rgba(10, 132, 255, 0.14);

  --status-green: #34C759;
  --status-green-soft: rgba(52, 199, 89, 0.14);
  --status-amber: #FF9F0A;
  --status-amber-soft: rgba(255, 159, 10, 0.14);
  --status-red: #FF453A;
  --status-red-soft: rgba(255, 69, 58, 0.15);
  --status-cyan: #00E5FF;

  --aurora-badge-bg: rgba(168, 85, 247, 0.16);
  --aurora-badge-border: rgba(192, 132, 252, 0.35);
  --aurora-badge-text: #E9D5FF;

  --shadow-card: 0 20px 48px -12px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.07);
  --shadow-elevated: 0 32px 64px -16px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.09);
  --shadow-button: 0 2px 8px rgba(10, 132, 255, 0.28);
}

[data-theme="light"] {
  --bg-canvas: #F8FAFC;
  --bg-elevated: #FFFFFF;
  --bg-surface: #F1F5F9;
  --bg-surface-hover: #E2E8F0;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-glass-subtle: rgba(15, 23, 42, 0.04);
  --bg-segmented: #E2E8F0;
  --bg-segmented-active: #FFFFFF;
  --bg-code: #0F172A;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-accent: #FFFFFF;

  --border-hairline: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.16);
  --border-focus: #007AFF;
  --specular-top: inset 0 1px 0 rgba(255, 255, 255, 0.8);

  --accent-blue: #007AFF;
  --accent-blue-hover: #0062CC;
  --accent-blue-soft: rgba(0, 122, 255, 0.1);

  --status-green: #28CD41;
  --status-green-soft: rgba(40, 205, 65, 0.12);
  --status-amber: #FF9500;
  --status-amber-soft: rgba(255, 149, 0, 0.12);
  --status-red: #FF3B30;
  --status-red-soft: rgba(255, 59, 48, 0.12);
  --status-cyan: #0284C7;

  --aurora-badge-bg: #F3E8FF;
  --aurora-badge-border: #D8B4FE;
  --aurora-badge-text: #6B21A8;

  --shadow-card: 0 16px 36px -10px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.07);
  --shadow-elevated: 0 24px 48px -12px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.09);
  --shadow-button: 0 2px 8px rgba(0, 122, 255, 0.22);
}

/* ==========================================================================
   Base Reset & Typography
   ========================================================================== */

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

html,
body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.25s ease, color 0.25s ease;
}

code,
pre,
.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

/* ==========================================================================
   Layout & Containers
   ========================================================================== */

.container,
.section,
.hero-section,
main,
.site-header,
.site-footer,
.command-window {
  max-width: 100%;
  box-sizing: border-box;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-hairline);
}

.section-header {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Navigation Header (Zero Horizontal Scrollbars & Frameless Emblem)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 68px;
  background: var(--bg-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-hairline);
  overflow-x: clip;
  scrollbar-width: none;
}

.site-header::-webkit-scrollbar {
  display: none;
}

.header-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-identity {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  flex-shrink: 0;
}

/* Frameless Transparent Brand Emblem — No Square Container Box */
.brand-emblem-frameless {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  flex-shrink: 0;
}

.brand-version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
  overflow-x: hidden;
  scrollbar-width: none;
}

.primary-nav a {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.18s ease;
  white-space: nowrap;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-cta-btn {
  padding: 8px 14px;
  font-size: 0.82rem;
  height: 34px;
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--border-hairline);
  background: var(--bg-segmented);
  color: var(--text-primary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.18s ease;
}

.mobile-menu-btn:hover {
  background: var(--bg-surface-hover);
}

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

.mobile-nav-drawer {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px 18px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-strong);
  box-shadow: var(--shadow-elevated);
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background-color 0.16s ease, color 0.16s ease;
}

.mobile-nav-drawer a:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.mobile-nav-drawer .mobile-drawer-cta {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

/* ==========================================================================
   Modern Icon Theme Switcher (Dark / Light Segmented Icon Pill)
   ========================================================================== */

.theme-icon-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--bg-segmented);
  border: 1px solid var(--border-hairline);
  border-radius: 9px;
  padding: 3px;
  gap: 2px;
}

.theme-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 30px;
  padding: 0;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.theme-icon-btn:hover {
  color: var(--text-primary);
}

.theme-icon-btn.active {
  background: var(--bg-segmented-active);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18), var(--specular-top);
}

.theme-icon-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* ==========================================================================
   Form & Action Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
  white-space: nowrap;
  user-select: none;
  max-width: 100%;
}

.btn:active:not(:disabled) {
  transform: scale(0.985);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-blue-hover);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: var(--specular-top);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-surface-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-hairline);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background: var(--bg-glass-subtle);
}

.btn-lg {
  height: 44px;
  padding: 0 22px;
  font-size: 0.9375rem;
  border-radius: 10px;
}

/* ==========================================================================
   Contextual AI & Status Badges
   ========================================================================== */

.aurora-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--aurora-badge-bg);
  border: 1px solid var(--aurora-badge-border);
  color: var(--aurora-badge-text);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  max-width: 100%;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  max-width: 100%;
}

.status-pill.green {
  background: var(--status-green-soft);
  color: var(--status-green);
}

.status-pill.amber {
  background: var(--status-amber-soft);
  color: var(--status-amber);
}

.status-pill.red {
  background: var(--status-red-soft);
  color: var(--status-red);
}

.status-pill.blue {
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--border-hairline);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-meta-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  padding: 4px 10px;
  border-radius: 6px;
}

.hero-headline {
  font-size: clamp(2.15rem, 4.3vw, 3.55rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 620px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.hero-telemetry-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-hairline);
}

.telemetry-stat-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.telemetry-stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Right Hero Panel: Frameless Living Brand Emblem Stage */
.hero-emblem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--specular-top), var(--shadow-elevated);
}

.emblem-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 20px;
}

.emblem-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 16px 16px;
  margin-bottom: 18px;
  position: relative;
}

/* Frameless Emblem Interactive Container — Zero Square Box or Border */
.emblem-frameless-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  cursor: pointer;
}

.emblem-stage-caption {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-align: center;
}

.engine-selector-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.engine-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 9px 10px;
  text-align: left;
  cursor: pointer;
  transition: all 0.16s ease;
}

.engine-chip:hover {
  background: var(--bg-surface-hover);
}

.engine-chip.active {
  border-color: var(--accent-blue);
  background: var(--accent-blue-soft);
}

.engine-chip-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.engine-chip-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.engine-live-readout {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   Segmented Sub-Navigation Picker
   ========================================================================== */

.segmented-bar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.segmented-picker {
  display: inline-flex;
  background: var(--bg-segmented);
  border: 1px solid var(--border-hairline);
  padding: 4px;
  border-radius: 10px;
  gap: 4px;
  overflow-x: hidden;
  scrollbar-width: none;
  flex-wrap: wrap;
  max-width: 100%;
}

.segmented-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 15px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.segmented-btn:hover {
  color: var(--text-primary);
}

.segmented-btn.active {
  background: var(--bg-segmented-active);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), var(--specular-top);
}

/* ==========================================================================
   Interactive Command Console Window
   ========================================================================== */

.command-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-elevated);
  overflow: hidden;
}

.wco-titlebar {
  height: 48px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  user-select: none;
}

.wco-brand-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.wco-center-status {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.wco-controls-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.wco-win-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.console-pane {
  display: none;
  padding: 24px;
}

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

/* ==========================================================================
   Mode 1: Autonomous AI Guard Tour & Live Video Wall
   ========================================================================== */

.tour-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 20px;
}

.cctv-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.cctv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cctv-grid.single-focus {
  grid-template-columns: minmax(0, 1fr);
}

.cctv-grid.single-focus .cam-tile:not(.selected-cam) {
  display: none;
}

.cam-tile {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #05070B;
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.18s ease;
}

.cam-tile.selected-cam {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.cam-tile.inspecting-now {
  border-color: #00E5FF;
  box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.35);
}

.cam-tile img,
.cam-tile canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cam-hud-top {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.cam-osd-tag {
  background: rgba(8, 10, 15, 0.82);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #F8FAFC;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34C759;
  display: inline-block;
  flex-shrink: 0;
}

.cam-hud-bottom {
  position: absolute;
  bottom: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

/* Dynamic Detection Bounding Box Overlay */
.det-box {
  position: absolute;
  border: 1.5px solid #00E5FF;
  background: rgba(0, 229, 255, 0.08);
  border-radius: 4px;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.det-box.green {
  border-color: #34C759;
  background: rgba(52, 199, 89, 0.08);
}

.det-box.amber {
  border-color: #FF9F0A;
  background: rgba(255, 159, 10, 0.1);
}

.det-label {
  position: absolute;
  top: -20px;
  left: -1px;
  background: rgba(8, 10, 15, 0.9);
  color: #00E5FF;
  border: 1px solid rgba(0, 229, 255, 0.45);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

.det-box.green .det-label {
  color: #34C759;
  border-color: rgba(52, 199, 89, 0.45);
}

.det-box.amber .det-label {
  color: #FF9F0A;
  border-color: rgba(255, 159, 10, 0.45);
}

/* Right Tour Inspector Sidebar */
.tour-inspector-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.inspector-header {
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 12px;
}

.inspector-cam-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.inspector-observation-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checklist-row {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.81rem;
}

.checklist-q {
  color: var(--text-primary);
  font-weight: 500;
}

/* ==========================================================================
   Mode 2: Natural Language Vision Search & 8s Forensic Clip Replay
   ========================================================================== */

.search-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.search-input-wrap {
  min-width: 0;
  width: 100%;
  flex: 1 1 200px;
  position: relative;
}

.search-input {
  width: 100%;
  height: 42px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  padding: 0 14px 0 38px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.18s ease;
}

.search-input:focus {
  border-color: var(--accent-blue);
}

.search-icon-prefix {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.query-chips-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.query-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.query-chip:hover,
.query-chip.active {
  background: var(--accent-blue-soft);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.vss-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 20px;
}

.vss-events-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.vss-event-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.18s ease, transform 0.15s ease;
}

.vss-event-card:hover {
  border-color: var(--border-strong);
}

.vss-event-card.selected {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.vss-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #05070B;
  overflow: hidden;
}

.vss-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vss-card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.vss-caption-text {
  font-size: 0.81rem;
  color: var(--text-primary);
  line-height: 1.45;
}

.vss-entity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
}

.entity-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

/* Forensic 8.0s Replay & Teach AI Inspector */
.forensic-replay-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.scrubber-timeline {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 10px 12px;
}

.scrubber-segments {
  display: grid;
  grid-template-columns: 3fr 2fr 3fr;
  gap: 4px;
  margin: 8px 0 6px;
}

.scrubber-seg {
  height: 6px;
  border-radius: 3px;
  background: rgba(148, 163, 184, 0.25);
  overflow: hidden;
  position: relative;
}

.scrubber-seg.pre {
  background: rgba(56, 189, 248, 0.45);
}

.scrubber-seg.event {
  background: #34C759;
}

.scrubber-seg.post {
  background: rgba(168, 85, 247, 0.45);
}

/* ==========================================================================
   Mode 3: Teach AI & Scene Baseline Studio
   ========================================================================== */

.memory-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 20px;
}

.zone-calibration-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #05070B;
}

.zone-calibration-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.zone-overlay-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
}

.zone-cell {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 10, 15, 0.18);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 8px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.85);
}

.zone-cell-status {
  font-size: 0.6rem;
  opacity: 0.9;
}

.zone-cell:hover {
  border-color: rgba(0, 229, 255, 0.75);
  background: rgba(0, 229, 255, 0.16);
}

.zone-cell.normal-zone {
  background: rgba(52, 199, 89, 0.24);
  border-color: rgba(52, 199, 89, 0.68);
  color: #E2F8E8;
}

.zone-cell.hazard-zone {
  background: rgba(255, 159, 10, 0.24);
  border-color: rgba(255, 159, 10, 0.78);
  color: #FFF4E5;
}

.zone-cell.selected-cell {
  outline: 2px solid #00E5FF;
  z-index: 2;
}

.baseline-calibration-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ==========================================================================
   Mode 4: Executive PDF Dossier & Enterprise Dispatch Workflow
   ========================================================================== */

.api-dossier-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.dossier-preview-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dispatch-workflow-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.dispatch-preview-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.dispatch-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-hairline);
}

/* ==========================================================================
   Multi-Column Symmetrical Card Grids (Exact Baseline Alignment)
   ========================================================================== */

.symmetrical-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 28px;
  box-shadow: var(--specular-top), var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.feature-card-top {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-card-title {
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.3;
}

.feature-card-desc {
  flex: 1;
  font-size: 0.91rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-hairline);
}

.feature-spec-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.feature-spec-list li:last-child {
  border-bottom: none;
  padding-bottom: 2px;
}

.feature-spec-list li span {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.feature-spec-list li strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.card-action-baseline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  margin-top: auto;
}

.card-action-baseline .btn {
  flex: 1;
  min-height: 38px;
}

/* ==========================================================================
   Interactive ROI & Patrol Throughput Calculator
   ========================================================================== */

.calculator-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--specular-top), var(--shadow-card);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: center;
}

.calc-control-group {
  margin-bottom: 22px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 500;
}

.calc-range {
  width: 100%;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.calc-results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.calc-metric-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  padding: 18px;
}

.calc-metric-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.calc-metric-lbl {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ==========================================================================
   Modal Dialog (Request Live Demo / Evaluation)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 6, 10, 0.76);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-elevated);
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
}

.modal-card-license {
  max-width: 580px;
  max-height: 92vh;
  overflow-y: auto;
}

.license-steps-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.license-step-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 0.74rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.license-step-pill strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent-blue);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.license-input-group {
  position: relative;
}

.license-input-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  padding-right: 42px;
}

.license-copy-icon-btn {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.18s ease;
}

.license-copy-icon-btn:hover {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-primary);
}

.license-copy-icon-btn.copied {
  color: var(--status-green);
  background: var(--status-green-soft);
}

.license-result-box {
  background: var(--status-green-soft);
  border: 1px solid rgba(52, 199, 89, 0.38);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}

.license-sig-container {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  margin-top: 8px;
}

.license-sig-text {
  word-break: break-all;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-primary);
  padding: 12px 44px 12px 12px;
  line-height: 1.55;
  margin: 0;
}

.license-sig-container .license-copy-icon-btn {
  top: 8px;
  right: 8px;
  transform: none;
  border: 1px solid var(--border-hairline);
}

.license-error-box {
  background: var(--status-red-soft);
  border: 1px solid rgba(255, 69, 58, 0.35);
  color: var(--status-red);
  padding: 12px 14px;
  border-radius: 8px;
  margin-top: 14px;
  font-size: 0.82rem;
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 56px 0 40px;
  background: var(--bg-elevated);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-hairline);
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1120px) {
  .primary-nav {
    gap: 14px;
  }
  .primary-nav a {
    font-size: 0.8rem;
  }
}

@media (max-width: 1024px) {
  .primary-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .hero-grid,
  .tour-layout,
  .vss-layout,
  .memory-layout,
  .api-dossier-layout,
  .calculator-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .symmetrical-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 960px) {
  .wco-center-status {
    display: none !important;
  }
}

@media (max-width: 860px) {
  .segmented-picker {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 6px;
    gap: 4px;
  }

  .segmented-btn {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    white-space: normal;
    height: auto;
    min-height: 38px;
    padding: 8px 12px;
    line-height: 1.3;
  }

  .cctv-grid,
  .vss-events-grid,
  .engine-selector-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  input,
  select,
  textarea,
  .search-input,
  .form-input,
  .form-select,
  .form-textarea,
  .license-input-mono {
    font-size: 16px !important;
  }

  .section {
    padding: 64px 0;
  }

  .hero-section {
    padding: 40px 0 52px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .brand-version-tag,
  #header-demo-btn {
    display: none !important;
  }

  .status-pill,
  .aurora-badge {
    white-space: normal;
    word-break: break-word;
    line-height: 1.35;
    height: auto;
    padding: 4px 10px;
  }

  #tour-progress-status {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
  }

  .btn,
  .btn-lg {
    max-width: 100%;
    white-space: normal;
    height: auto;
    min-height: 38px;
    padding: 8px 14px;
    text-align: center;
    line-height: 1.3;
  }

  .hero-cta-row {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-row .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-telemetry-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .calc-results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calculator-panel {
    padding: 20px 16px;
    gap: 24px;
  }

  .feature-card {
    padding: 20px 18px;
  }

  .wco-titlebar {
    height: auto;
    min-height: 44px;
    padding: 10px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .wco-win-buttons {
    display: none !important;
  }

  .wco-brand-left {
    flex-wrap: wrap;
    gap: 6px;
  }

  .console-pane {
    padding: 14px;
  }

  .cctv-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .cctv-toolbar > div {
    display: flex;
    width: 100%;
  }

  #layout-quad-btn,
  #layout-single-btn,
  #view-mode-quad,
  #view-mode-single {
    flex: 1;
  }

  #run-auto-tour-btn {
    width: 100%;
  }

  .checklist-row {
    flex-wrap: wrap;
    gap: 6px;
  }

  .search-top-bar,
  .search-bar-top {
    flex-direction: column;
    align-items: stretch;
  }

  .zone-cell {
    padding: 4px 5px;
    font-size: 0.6rem;
    overflow: hidden;
  }

  .zone-cell-status {
    font-size: 0.48rem;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .feature-spec-list li {
    flex-wrap: wrap;
    gap: 4px 10px;
  }

  #dispatch-preview-specs li {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  #dispatch-preview-specs li strong {
    text-align: left;
    word-break: break-word;
  }

  .license-steps-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .modal-backdrop {
    padding: 12px;
  }

  .modal-card {
    padding: 20px 16px;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .cam-osd-tag {
    font-size: 0.58rem;
    padding: 2px 5px;
    max-width: 68%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .det-label {
    font-size: 0.55rem;
    padding: 1px 4px;
  }
}