/* ==========================================================================
   ConTech Vision AI - Design System & Modern Industrial Stylesheet
   ========================================================================== */

:root {
  /* Dark Theme (Default) */
  --bg-base: #060911;
  --bg-surface: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(11, 17, 32, 0.85);
  
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-light: #fef3c7;
  --primary-glow: rgba(245, 158, 11, 0.35);

  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.35);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f97316;
  --purple: #a855f7;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-amber: rgba(245, 158, 11, 0.3);
  --border-card: rgba(148, 163, 184, 0.12);

  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 35px var(--primary-glow);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);

  --primary: #d97706;
  --primary-hover: #b45309;
  --primary-glow: rgba(217, 119, 6, 0.2);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --border-glass: rgba(15, 23, 42, 0.08);
  --border-amber: rgba(217, 119, 6, 0.35);
  --border-card: rgba(15, 23, 42, 0.1);

  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 30px rgba(217, 119, 6, 0.15);
}

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

/* ==========================================================================
   Atmospheric Backgrounds & Glowing Orbs
   ========================================================================== */

.bg-decorations {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 30%, black 40%, transparent 80%);
}

[data-theme="light"] .bg-grid {
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  top: -100px;
  left: 15%;
}

.orb-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
  top: 30%;
  right: -80px;
  animation-duration: 22s;
  animation-delay: -5s;
}

.orb-3 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.25) 0%, transparent 70%);
  bottom: 10%;
  left: -120px;
  animation-duration: 25s;
}

@keyframes floatOrb {
  0% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(40px) scale(1.08); }
  100% { transform: translateY(-30px) scale(0.95); }
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-darker {
  background: linear-gradient(180deg, rgba(4, 7, 13, 0.6) 0%, rgba(11, 17, 32, 0.8) 100%);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

[data-theme="light"] .section-darker {
  background: #f1f5f9;
}

.section-header {
  margin-bottom: 56px;
}

.text-center {
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--border-amber);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.65;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #fbbf24 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-glow {
  background: linear-gradient(135deg, #f59e0b 0%, #ffc107 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 25px rgba(245, 158, 11, 0.4));
}

.text-glow-amber {
  color: #fbbf24;
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-cyan { color: var(--cyan); }
.text-purple { color: var(--purple); }
.text-warning { color: var(--warning); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #d97706 100%);
  color: #080c14;
  font-weight: 700;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-amber);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-xs {
  padding: 5px 12px;
  font-size: 0.78rem;
  border-radius: 6px;
}

.btn-block {
  width: 100%;
}

.btn-text {
  background: transparent;
  color: var(--text-muted);
  padding: 6px 12px;
}

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

/* ==========================================================================
   Header & Navbar
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: var(--transition);
  backdrop-filter: blur(12px);
}

.navbar.scrolled {
  padding: 12px 0;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.35rem;
  box-shadow: 0 0 15px var(--primary-glow);
}

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

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  transition: var(--transition);
}

.lang-toggle-btn:hover {
  color: var(--primary);
  border-color: var(--border-amber);
  background: rgba(245, 158, 11, 0.1);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  color: var(--primary);
  border-color: var(--border-amber);
  background: rgba(245, 158, 11, 0.1);
}

.mobile-menu-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  cursor: pointer;
}

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

.hero {
  padding-top: 150px;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--danger);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--danger);
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 34px;
  max-width: 620px;
}

.hero-subtitle strong {
  color: var(--text-main);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}

.metric-item {
  flex: 1;
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 2px;
}

.metric-divider {
  width: 1px;
  height: 36px;
  background-color: var(--border-glass);
}

/* ==========================================================================
   Hero Preview HUD Window
   ========================================================================== */

.hud-window {
  background: rgba(11, 17, 32, 0.9);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  position: relative;
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(7, 10, 19, 0.85);
  border-bottom: 1px solid var(--border-glass);
}

.hud-status {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rec-indicator {
  width: 10px;
  height: 10px;
  background-color: var(--danger);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--danger);
  animation: pulseDot 1.2s infinite;
}

.hud-stream-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
}

.hud-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-pill {
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.hud-fps {
  color: var(--success);
  font-family: var(--font-mono);
  font-weight: 700;
}

.hud-screen {
  height: 340px;
  background: 
    radial-gradient(circle at center, rgba(6, 182, 212, 0.06) 0%, transparent 80%),
    linear-gradient(180deg, #070d19 0%, #03060c 100%);
  position: relative;
  overflow: hidden;
}

.hud-crosshair-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  pointer-events: none;
}

.hud-scan-beam {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
  box-shadow: 0 0 15px var(--primary);
  animation: scanMove 4s linear infinite;
  opacity: 0.8;
}

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

.hud-bbox {
  position: absolute;
  border-radius: 4px;
  border: 2px solid;
  pointer-events: none;
  transition: transform 0.2s ease;
}

.bbox-alert {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.12);
  box-shadow: 0 0 15px var(--danger-glow);
}

.bbox-safe {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.bbox-vehicle {
  border-color: var(--warning);
  background: rgba(249, 115, 22, 0.1);
}

.bbox-tag {
  position: absolute;
  top: -24px;
  left: -2px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

.bbox-subtag {
  position: absolute;
  bottom: -20px;
  left: -2px;
  font-size: 0.65rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.7);
  padding: 1px 5px;
  border-radius: 2px;
  white-space: nowrap;
}

.tag-danger {
  background: var(--danger);
  color: #fff;
}

.tag-success {
  background: var(--success);
  color: #031b0e;
}

.tag-warning {
  background: var(--warning);
  color: #fff;
}

.hud-overlay-bottom {
  position: absolute;
  bottom: 12px;
  left: 16px;
  right: 16px;
  background: rgba(7, 10, 19, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
}

.hud-telemetry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.hud-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(7, 10, 19, 0.95);
  border-top: 1px solid var(--border-glass);
}

.hud-event-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Trust Strip
   ========================================================================== */

.trust-strip {
  padding: 36px 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: rgba(11, 17, 32, 0.4);
}

.trust-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.85;
  transition: var(--transition);
}

.trust-item:hover {
  opacity: 1;
  color: var(--primary);
  transform: translateY(-2px);
}

.trust-item i {
  font-size: 1.3rem;
  color: var(--primary);
}

/* ==========================================================================
   Core Features Grid
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-amber), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-amber);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.5);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  border: 1px solid;
}

.icon-amber {
  background: rgba(245, 158, 11, 0.12);
  color: var(--primary);
  border-color: rgba(245, 158, 11, 0.3);
}

.icon-red {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.icon-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan);
  border-color: rgba(6, 182, 212, 0.3);
}

.icon-blue {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border-color: rgba(59, 130, 246, 0.3);
}

.icon-orange {
  background: rgba(249, 115, 22, 0.12);
  color: var(--warning);
  border-color: rgba(249, 115, 22, 0.3);
}

.icon-purple {
  background: rgba(168, 85, 247, 0.12);
  color: var(--purple);
  border-color: rgba(168, 85, 247, 0.3);
}

.feature-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.badge-warning {
  background: rgba(249, 115, 22, 0.1);
  color: var(--warning);
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.35;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-list li i {
  color: var(--success);
  margin-top: 3px;
  font-size: 0.95rem;
}

/* ==========================================================================
   Interactive Live Vision AI Demo Center
   ========================================================================== */

.demo-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.demo-cam-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(7, 10, 19, 0.9);
  border-bottom: 1px solid var(--border-glass);
}

.cam-tab-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: transparent;
  color: var(--text-muted);
  border-right: 1px solid var(--border-glass);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.cam-tab-btn:last-child {
  border-right: none;
}

.cam-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.cam-tab-btn.active {
  background: rgba(245, 158, 11, 0.08);
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.cam-tab-btn i {
  font-size: 1.3rem;
}

.cam-tab-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.cam-tab-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.demo-workspace {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  min-height: 520px;
}

.demo-canvas-col {
  border-right: 1px solid var(--border-glass);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.canvas-wrapper {
  background: #03060b;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.canvas-hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #070c16;
  border-bottom: 1px solid var(--border-glass);
}

.hud-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-dot-pulsing {
  width: 8px;
  height: 8px;
  background-color: var(--danger);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--danger);
  animation: pulseDot 1s infinite;
}

.feed-id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-main);
}

.hud-right {
  display: flex;
  gap: 10px;
}

.hud-chip {
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.hud-chip strong {
  color: var(--cyan);
}

.vision-canvas {
  width: 100%;
  height: 380px;
  background-color: #03060c;
  display: block;
}

.canvas-hud-footer {
  padding: 14px 16px;
  background: #070c16;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-toggles {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.toggle-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.toggle-checkbox input {
  display: none;
}

.toggle-switch {
  width: 30px;
  height: 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  position: relative;
  transition: var(--transition);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.toggle-checkbox input:checked + .toggle-switch {
  background: var(--primary);
}

.toggle-checkbox input:checked + .toggle-switch::after {
  transform: translateX(14px);
  background: #080c14;
}

.canvas-actions {
  display: flex;
  gap: 10px;
}

/* Right Side: Log Panel */
.demo-log-col {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.log-panel {
  background: #070c16;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.log-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-glass);
}

.log-title {
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-count {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 700;
}

.log-stream-list {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 400px;
}

.log-entry {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-left: 3px solid;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.8rem;
  transition: var(--transition);
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.log-entry.critical {
  border-left-color: var(--danger);
  background: rgba(239, 68, 68, 0.08);
}

.log-entry.warning {
  border-left-color: var(--warning);
  background: rgba(249, 115, 22, 0.08);
}

.log-entry.info {
  border-left-color: var(--cyan);
}

.log-entry.success {
  border-left-color: var(--success);
}

.log-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.log-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.log-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
}

.log-msg {
  color: var(--text-main);
  line-height: 1.4;
}

.log-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid var(--border-glass);
  background: #04070d;
}

.telegram-dispatch-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   AI Safety Copilot (Chat Simulator)
   ========================================================================== */

.copilot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.copilot-benefits {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 32px;
}

.benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--border-amber);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.benefit-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.benefit-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Chat Card */
.copilot-chat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: flex;
  flex-direction: column;
  height: 580px;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.chat-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(7, 10, 19, 0.9);
  border-bottom: 1px solid var(--border-glass);
}

.chat-bot-avatar {
  position: relative;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #080c14;
  font-size: 1.25rem;
}

.bot-online-dot {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background-color: var(--success);
  border: 2px solid #070a13;
  border-radius: 50%;
}

.chat-bot-meta {
  flex: 1;
}

.bot-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.bot-model {
  font-size: 0.72rem;
  color: var(--cyan);
}

.chat-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: 4px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  display: flex;
  gap: 12px;
  max-width: 90%;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.user-bubble {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.bubble-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--primary);
  flex-shrink: 0;
}

.user-bubble .bubble-avatar {
  background: rgba(6, 182, 212, 0.2);
  color: var(--cyan);
}

.bubble-content {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.user-bubble .bubble-content {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.18) 0%, rgba(217, 119, 6, 0.12) 100%);
  border-color: var(--border-amber);
}

.bubble-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 0.8rem;
}

.bubble-table th, .bubble-table td {
  padding: 6px 10px;
  border: 1px solid var(--border-glass);
  text-align: left;
}

.bubble-table th {
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.chat-suggestions {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 16px;
  background: rgba(7, 10, 19, 0.6);
  border-top: 1px solid var(--border-glass);
}

.suggestion-chip {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.suggestion-chip:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--border-amber);
  color: var(--primary);
}

.chat-input-form {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(7, 10, 19, 0.95);
  border-top: 1px solid var(--border-glass);
}

.chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  color: var(--text-main);
  font-size: 0.9rem;
}

.chat-input:focus {
  border-color: var(--primary);
}

.btn-chat-send {
  padding: 10px 18px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   AWS Cloud-Native Architecture Showcase
   ========================================================================== */

.arch-showcase {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.arch-diagram-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.2);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.arch-img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease;
}

.arch-zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 16px;
  padding: 6px 14px;
  background: rgba(7, 10, 19, 0.85);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  backdrop-filter: blur(5px);
}

.arch-layers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.arch-layer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: var(--transition);
}

.arch-layer-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-amber);
}

.layer-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}

.layer-icon {
  font-size: 1.4rem;
  color: var(--cyan);
  margin-bottom: 12px;
}

.layer-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.layer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.layer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.arch-cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 30px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
  gap: 20px;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 18px;
}

.banner-icon {
  font-size: 2rem;
  color: var(--primary);
}

.banner-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.banner-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   ROI Calculator Section
   ========================================================================== */

.roi-calculator-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.roi-inputs {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.input-header label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.range-display {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(245, 158, 11, 0.15);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-amber);
}

.custom-range {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  cursor: pointer;
  accent-color: var(--primary);
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 6px;
}

.project-type-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.proj-type-btn {
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.proj-type-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.proj-type-btn.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

.proj-type-btn i {
  font-size: 1.2rem;
}

/* ROI Outputs */
.roi-outputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(11, 17, 32, 0.8) 100%);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-md);
  padding: 26px;
  text-align: center;
}

.kpi-icon {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.kpi-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.roi-breakdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.sub-kpi-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.sub-kpi-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sub-kpi-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */

.pricing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.toggle-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.toggle-label.active {
  color: var(--text-main);
}

.badge-discount {
  font-size: 0.72rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider.round {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: .3s;
  border-radius: 34px;
}

.slider.round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(24px);
  background-color: #080c14;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 48px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-amber);
  box-shadow: var(--shadow-lg);
}

.featured-plan {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.1) 0%, rgba(15, 23, 42, 0.85) 100%);
  box-shadow: 0 0 35px var(--primary-glow);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary) 0%, #d97706 100%);
  color: #080c14;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-header {
  margin-bottom: 28px;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  min-height: 40px;
}

.plan-price {
  margin-top: 20px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.price-val {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-main);
}

.price-custom {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.price-period {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-left: 4px;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
  flex: 1;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.plan-features li i {
  margin-top: 3px;
  font-size: 0.95rem;
}

.plan-features li.disabled {
  color: var(--text-dim);
  opacity: 0.6;
}

.plan-features li.disabled i {
  color: var(--text-dim);
}

/* ==========================================================================
   Compliance & Security Grid
   ========================================================================== */

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.compliance-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: var(--transition);
}

.compliance-card:hover {
  border-color: var(--border-amber);
  transform: translateY(-4px);
}

.comp-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.compliance-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.compliance-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-container {
  max-width: 860px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  transition: max-height 0.3s ease-in-out;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
  padding: 80px 0;
}

.cta-card {
  background: radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.25) 0%, rgba(11, 17, 32, 0.95) 70%);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  padding: 70px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(245, 158, 11, 0.2);
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.cta-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

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

.footer {
  background: #03060c;
  border-top: 1px solid var(--border-glass);
  padding-top: 80px;
  padding-bottom: 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-aws-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
}

.col-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li, .footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

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

.footer-links li i {
  color: var(--primary);
  margin-right: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.legal-links {
  display: flex;
  gap: 20px;
}

/* ==========================================================================
   Lead Capture Modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.8);
  backdrop-filter: blur(10px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: #0b1120;
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  padding: 36px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9), var(--shadow-glow);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-box {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--danger);
  color: #fff;
}

.modal-header {
  margin-bottom: 24px;
}

.modal-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-success-state {
  display: none;
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  font-size: 3.5rem;
  color: var(--success);
  margin-bottom: 16px;
}

.modal-success-state h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.modal-success-state p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #0b1120;
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  color: var(--text-main);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .demo-workspace {
    grid-template-columns: 1fr;
  }
  .demo-canvas-col {
    border-right: none;
    border-bottom: 1px solid var(--border-glass);
  }
  .copilot-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  .roi-calculator-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-metrics {
    flex-wrap: wrap;
    gap: 16px;
  }
  .metric-divider {
    display: none;
  }
  .demo-cam-tabs {
    grid-template-columns: 1fr 1fr;
  }
  .cam-tab-btn {
    border-bottom: 1px solid var(--border-glass);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .project-type-selector {
    grid-template-columns: 1fr;
  }
  .footer-bottom-flex {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}