/* ==========================================================================
   KAMINA TELEMATICS & GPS FLEET OS - STYLESHEET
   Design System: Ultra-Modern Cyber-Telematics Dark Mode & Glassmorphism
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #070a12;
  --bg-card: rgba(14, 21, 37, 0.75);
  --bg-card-hover: rgba(22, 33, 58, 0.85);
  --bg-glass: rgba(17, 24, 39, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.3);
  --border-active: rgba(6, 182, 212, 0.5);

  /* Neon Accents */
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.4);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --blue: #3b82f6;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --violet: #8b5cf6;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Text Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Shadows & Elevations */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-neon-emerald: 0 0 25px rgba(16, 185, 129, 0.25);
  --shadow-neon-cyan: 0 0 25px rgba(6, 182, 212, 0.25);
  --shadow-inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.15), transparent 70%),
    radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.08), transparent 40%),
    radial-gradient(circle at 10% 60%, rgba(59, 130, 246, 0.06), transparent 50%),
    linear-gradient(180deg, #070a12 0%, #0a0f1d 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* Background Grid Overlay */
.bg-grid-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.8) 0%, transparent 80%);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #a5f3fc 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
  color: #070a12;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-text span {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan);
  transition: var(--transition);
  box-shadow: 0 0 8px var(--cyan);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #042f2e;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #0284c7 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  position: relative;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #34d399;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald);
  animation: pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 950px;
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 780px;
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Hero Showcase Frame */
.hero-visual-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.4), rgba(6, 182, 212, 0.3), rgba(255, 255, 255, 0.05));
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), var(--shadow-neon-cyan);
  overflow: hidden;
}

.hero-visual-inner {
  background: rgba(11, 16, 29, 0.95);
  border-radius: inherit;
  overflow: hidden;
  position: relative;
}

.hero-banner-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  filter: brightness(0.95) contrast(1.05);
  transition: transform 0.8s ease;
}

.hero-visual-wrapper:hover .hero-banner-image {
  transform: scale(1.015);
}

.hero-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.2) 0%, rgba(7, 10, 18, 0.85) 90%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  pointer-events: none;
}

.hero-telemetry-strip {
  pointer-events: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  background: rgba(14, 21, 37, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.telemetry-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.telemetry-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.telemetry-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

/* Stats Ribbon */
.stats-ribbon {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 15, 26, 0.5);
  margin-top: 3rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-card h3 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
}

.stat-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Section Common Header */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Section Padding */
.section {
  padding: 6rem 0;
  position: relative;
}

/* ==========================================================================
   MISSION CONTROL / LIVE MAP SIMULATOR SECTION
   ========================================================================== */
.simulator-wrapper {
  background: rgba(14, 21, 37, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

/* Mission Control Top Bar */
.simulator-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(9, 13, 24, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.simulator-title-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.simulator-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--cyan);
  color: #fff;
}

/* Simulator Grid: Map + Telemetry Sidebar */
.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 580px;
}

.map-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 580px;
  background: #0b111e;
}

#fleet-map {
  width: 100%;
  height: 100%;
  z-index: 10;
}

/* Custom Leaflet Dark styling */
.leaflet-container {
  background: #090e18 !important;
  font-family: var(--font-main) !important;
}

.leaflet-control-zoom {
  border: 1px solid var(--border-subtle) !important;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
}

.leaflet-control-zoom a {
  background-color: rgba(15, 23, 42, 0.9) !important;
  color: #fff !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

.leaflet-control-zoom a:hover {
  background-color: #1e293b !important;
  color: var(--cyan) !important;
}

.leaflet-popup-content-wrapper {
  background: rgba(15, 23, 42, 0.95) !important;
  color: #fff !important;
  border: 1px solid var(--border-glow) !important;
  border-radius: var(--radius-md) !important;
  backdrop-filter: blur(12px) !important;
  box-shadow: 0 10px 25px rgba(0,0,0,0.7) !important;
}

.leaflet-popup-tip {
  background: rgba(15, 23, 42, 0.95) !important;
}

/* Vehicle Pulse Markers on Map */
.custom-vehicle-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: 11px;
  box-shadow: 0 0 15px currentColor;
  cursor: pointer;
  transition: transform 0.2s ease;
  position: relative;
}

.custom-vehicle-marker::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0.6;
  animation: pulse-ring 2s infinite ease-out;
}

.custom-vehicle-marker:hover {
  transform: scale(1.2);
}

/* Simulator Sidebar HUD */
.simulator-sidebar {
  background: rgba(11, 17, 30, 0.95);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
  max-height: 650px;
}

.hud-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hud-vehicle-title {
  font-size: 1.25rem;
  font-weight: 800;
}

.hud-vehicle-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.hud-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.hud-metric-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hud-metric-box .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.hud-metric-box .value {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

/* Speed Gauge Radial Display */
.speed-gauge-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  margin-bottom: 1.25rem;
  position: relative;
}

.speed-svg-container {
  width: 140px;
  height: 100px;
  margin: 0 auto;
  position: relative;
}

.gauge-val-display {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.gauge-val-display .number {
  font-size: 1.75rem;
  font-weight: 900;
  font-family: var(--font-mono);
  line-height: 1;
  color: #fff;
}

.gauge-val-display .unit {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Telemetry Sensors Status Bars */
.telemetry-sensors-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.sensor-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sensor-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.sensor-info .name {
  color: var(--text-muted);
}

.sensor-info .val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

.sensor-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.sensor-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

/* Vehicle Selector Pills */
.vehicle-selector-pills {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.pill-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
}

.pill-btn:hover, .pill-btn.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--emerald);
  color: #fff;
}

/* Engine Cutoff Action */
.action-box {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.btn-danger-outline {
  width: 100%;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #fda4af;
  font-weight: 600;
}

.btn-danger-outline:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--rose);
  color: #fff;
}

/* Real-time Ticker in Simulator */
.simulator-ticker {
  background: rgba(7, 10, 18, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  overflow: hidden;
}

.ticker-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}

.ticker-content {
  font-size: 0.825rem;
  color: var(--text-muted);
  white-space: nowrap;
  animation: ticker-slide 20s linear infinite;
  display: flex;
  gap: 3rem;
}

@keyframes ticker-slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   FEATURES GRID (ULTRA MODERN GLASS CARDS)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5), var(--shadow-neon-emerald);
}

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

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--emerald);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(6, 182, 212, 0.25));
  color: #fff;
  border-color: var(--cyan);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

.feature-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-subtag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   INTERACTIVE ROI & FUEL CALCULATOR
   ========================================================================== */
.calculator-card {
  background: rgba(14, 21, 37, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), var(--shadow-neon-emerald);
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.calc-current-value {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* Custom Range Slider */
.slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: var(--transition);
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.7);
  transition: transform 0.15s ease;
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Calc Results Panel */
.calc-results-panel {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.calc-hero-stat {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.calc-hero-stat .label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.calc-hero-stat .number {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 900;
  color: var(--emerald);
  font-family: var(--font-mono);
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

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

.calc-secondary-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.calc-mini-stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.calc-mini-stat .mini-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.calc-mini-stat .mini-value {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

/* ==========================================================================
   APP & HARDWARE DUAL SHOWCASE SECTION
   ========================================================================== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.device-showcase-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.device-showcase-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
}

.device-badge-overlay {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(14, 21, 37, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.device-features-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.device-feature-item {
  display: flex;
  gap: 1.25rem;
}

.device-icon-box {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.device-feature-text h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.device-feature-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */
.pricing-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.pricing-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.4rem;
  display: flex;
  cursor: pointer;
}

.toggle-option {
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.toggle-option.active {
  background: var(--emerald);
  color: #042f2e;
  font-weight: 700;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.pricing-badge-save {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--emerald);
  background: rgba(16, 185, 129, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(14, 21, 37, 0.95) 100%);
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), var(--shadow-neon-emerald);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #10b981, #06b6d4);
  color: #042f2e;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.pricing-tier {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  min-height: 40px;
  margin-bottom: 1.5rem;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.price-currency {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-muted);
}

.price-amount {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
}

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

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features-list li svg {
  color: var(--emerald);
  flex-shrink: 0;
}

/* ==========================================================================
   TESTIMONIALS & TRUST SECTION
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.quote-text {
  font-size: 1rem;
  color: #cbd5e1;
  line-height: 1.7;
  font-style: italic;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #042f2e;
}

.client-details h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.client-details p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.75rem;
  text-align: left;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon {
  transition: transform 0.3s ease;
  color: var(--cyan);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.5rem;
}

/* ==========================================================================
   CALL TO ACTION & FOOTER
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 4.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), var(--shadow-neon-cyan);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.footer {
  background: #04070e;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem;
  margin-top: 6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: #fff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  color: #34d399;
  font-size: 0.8rem;
}

/* ==========================================================================
   MODAL / DEMO REQUEST POPUP
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.8);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal-content {
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-neon-emerald);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: #fff;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

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

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--emerald);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), var(--shadow-neon-emerald);
  z-index: 3000;
  transform: translateY(150%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .simulator-grid {
    grid-template-columns: 1fr;
  }
  .simulator-sidebar {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
  .features-grid, .pricing-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calculator-grid, .ecosystem-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-outline {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .features-grid, .pricing-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .calculator-card {
    padding: 1.75rem 1.25rem;
  }
}