/*
  Precision Drone Ops - Stylesheet
  Theme: Dark High-Tech Aerodynamics
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #080c14;
  --bg-secondary: #0f1626;
  --bg-tertiary: #17223b;
  --text-primary: #f3f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-cyan: #00e5ff;
  --color-cyan-glow: rgba(0, 229, 255, 0.4);
  --color-cyan-trans: rgba(0, 229, 255, 0.1);
  
  --color-orange: #ff9100;
  --color-orange-glow: rgba(255, 145, 0, 0.4);
  --color-orange-trans: rgba(255, 145, 0, 0.1);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  
  /* Typography */
  --font-main: 'Outfit', sans-serif;
  --font-tech: 'Space Grotesk', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Glassmorphism */
  --glass-bg: rgba(15, 22, 38, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-blur: blur(12px);
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border: 2px solid var(--bg-primary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}

body {
  line-height: 1.6;
  min-height: 100vh;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Glowing text & links */
.gradient-text {
  background: linear-gradient(135deg, #fff 30%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-orange {
  background: linear-gradient(135deg, var(--color-orange) 30%, #fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan) 0%, #0099ff 100%);
  color: #020617;
  border: none;
  box-shadow: 0 4px 20px var(--color-cyan-trans);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-cyan-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-cyan);
  transform: translateY(-2px);
  color: var(--color-cyan);
}

.btn-orange {
  background: linear-gradient(135deg, var(--color-orange) 0%, #e65100 100%);
  color: #020617;
  border: none;
  box-shadow: 0 4px 20px var(--color-orange-trans);
}

.btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-orange-glow);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: padding var(--transition-normal), background var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: rgba(8, 12, 20, 0.9);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: height var(--transition-normal);
}

.navbar.scrolled .nav-container {
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-tech);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-cyan);
  filter: drop-shadow(0 0 8px var(--color-cyan-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-tech);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-cyan);
  transition: width var(--transition-normal);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: radial-gradient(circle at 10% 20%, rgba(17, 34, 64, 0.4) 0%, rgba(8, 12, 20, 1) 90%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-cyan-trans);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--color-cyan);
  border-radius: 50px;
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
  animation: pulse-glow 2s infinite;
}

.hero-title {
  font-size: 3.75rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 1.25rem;
}

.hero-image-wrapper {
  position: relative;
  z-index: 5;
}

.hero-image-container {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-premium);
  animation: float-slow 6s ease-in-out infinite;
}

.hero-image-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

/* Stats Counter Section */
.stats {
  padding: 5rem 0;
  position: relative;
  z-index: 10;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  background: linear-gradient(to bottom, transparent, var(--bg-secondary));
}

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

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 255, 0.3);
}

.stat-number {
  font-family: var(--font-tech);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem auto;
  position: relative;
}

.section-subtitle {
  font-family: var(--font-tech);
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Services Section */
.services {
  padding: 8rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  padding: 3rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-premium);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 229, 255, 0.05);
}

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--color-cyan);
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon-wrapper {
  background: var(--color-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--color-cyan-glow);
  transform: scale(1.05);
}

.service-icon-wrapper svg {
  width: 28px;
  height: 28px;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-features svg {
  width: 16px;
  height: 16px;
  color: var(--color-cyan);
}

.service-link {
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-cyan);
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: 0.75rem;
}

/* Drone visualizer Section */
.visualizer {
  padding: 8rem 0;
  background: radial-gradient(circle at 80% 80%, rgba(255, 145, 0, 0.03) 0%, rgba(8, 12, 20, 1) 80%);
}

.visualizer-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.visualizer-screen-container {
  position: relative;
  background: #020617;
  border-radius: 20px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-premium);
}

.visualizer-screen-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, transparent 50%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
  z-index: 10;
  border-radius: 20px;
}

.visualizer-screen {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 12px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: background-image 0.5s ease-in-out;
}

/* Telemetry styling overlay */
.visualizer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  font-family: var(--font-tech);
}

.hud-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hud-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 50%;
}

.hud-crosshair::before, .hud-crosshair::after {
  content: '';
  position: absolute;
  background-color: rgba(0, 229, 255, 0.4);
}

.hud-crosshair::before {
  top: 50%;
  left: -10px;
  right: -10px;
  height: 1px;
}

.hud-crosshair::after {
  left: 50%;
  top: -10px;
  bottom: -10px;
  width: 1px;
}

.hud-corner {
  position: absolute;
  width: 15px;
  height: 15px;
  border-color: rgba(0, 229, 255, 0.5);
  border-style: solid;
}

.hud-tl { top: 15px; left: 15px; border-width: 2px 0 0 2px; }
.hud-tr { top: 15px; right: 15px; border-width: 2px 2px 0 0; }
.hud-bl { bottom: 15px; left: 15px; border-width: 0 0 2px 2px; }
.hud-br { bottom: 15px; right: 15px; border-width: 0 2px 2px 0; }

.hud-scanner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(180deg, var(--color-cyan) 0%, transparent 100%);
  box-shadow: 0 0 15px var(--color-cyan-glow);
  animation: scan-loop 4s linear infinite;
  opacity: 0.7;
}

.hud-data-panel {
  position: absolute;
  bottom: 15px;
  left: 15px;
  background: rgba(8, 12, 20, 0.85);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  backdrop-filter: blur(5px);
}

.hud-data-row span:first-child {
  color: var(--text-secondary);
}

.hud-data-row span:last-child {
  color: var(--color-cyan);
  font-weight: 600;
}

.hud-status-panel {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(8, 12, 20, 0.85);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(5px);
}

.hud-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

/* Visualizer Toggles */
.visualizer-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.ctrl-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ctrl-btn.active {
  background: var(--color-cyan-trans);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.15);
}

.ctrl-btn:hover:not(.active) {
  background: var(--bg-tertiary);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.visualizer-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.visualizer-tabs-content {
  position: relative;
  min-height: 220px;
}

.visualizer-tab-pane {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.4s ease;
}

.visualizer-tab-pane.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.visualizer-tab-pane h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.visualizer-tab-pane p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.tech-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.tech-spec-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  border-radius: 8px;
}

.tech-spec-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.tech-spec-val {
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Fleet Showcase Section */
.fleet {
  padding: 8rem 0;
  background: var(--bg-secondary);
}

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

.fleet-card {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all var(--transition-normal);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.fleet-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 145, 0, 0.3);
}

.fleet-tag {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.75rem;
}

.fleet-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.fleet-model {
  font-family: var(--font-tech);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  display: block;
}

.fleet-specs-list {
  list-style: none;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fleet-specs-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.fleet-specs-list span:first-child {
  color: var(--text-secondary);
}

.fleet-specs-list span:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

/* Interactive Quote Estimator Wizard */
.calculator-section {
  padding: 8rem 0;
  position: relative;
  background: radial-gradient(circle at 10% 80%, rgba(0, 229, 255, 0.04) 0%, rgba(8, 12, 20, 1) 70%);
}

.calculator-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  padding: 3.5rem;
  box-shadow: var(--shadow-premium);
  overflow: hidden;
}

.wizard-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3.5rem;
  position: relative;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--bg-tertiary);
  z-index: 1;
}

.progress-bar-fill {
  position: absolute;
  top: 12px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  z-index: 2;
  transition: width 0.4s ease;
}

.progress-step {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
}

.step-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  border: 2px solid var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all var(--transition-normal);
}

.progress-step.active .step-dot {
  background-color: var(--bg-primary);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 12px var(--color-cyan-glow);
}

.progress-step.completed .step-dot {
  background-color: var(--color-cyan);
  border-color: var(--color-cyan);
  color: var(--bg-primary);
}

.step-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-tech);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-align: center;
  transition: color var(--transition-normal);
}

.progress-step.active .step-label {
  color: var(--text-primary);
}

.progress-step.completed .step-label {
  color: var(--color-cyan);
}

/* Wizard step layout */
.wizard-steps {
  position: relative;
  min-height: 280px;
}

.wizard-step-pane {
  display: none;
  animation: fade-in 0.4s ease forwards;
}

.wizard-step-pane.active {
  display: block;
}

.wizard-step-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Form controls */
.selection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.selection-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.selection-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--bg-tertiary);
}

.selection-card input[type="radio"] {
  display: none;
}

.selection-card.selected {
  border-color: var(--color-cyan);
  background: var(--color-cyan-trans);
  color: var(--color-cyan);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.05);
}

.selection-card.selected .selection-icon {
  color: var(--color-cyan);
}

.selection-icon {
  font-size: 2rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.selection-label {
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Range slider styling */
.slider-container {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  border-radius: 16px;
  margin-bottom: 2rem;
}

.slider-val-box {
  text-align: center;
  margin-bottom: 1.5rem;
}

.slider-val {
  font-family: var(--font-tech);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-cyan);
}

.slider-unit {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 5px;
  background: var(--bg-tertiary);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--color-cyan-glow);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-tech);
}

/* Estimate Summary Box */
.estimate-summary {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 2rem;
}

.estimate-heading {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.estimate-range {
  font-family: var(--font-tech);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-orange);
  text-shadow: 0 0 15px rgba(255, 145, 0, 0.2);
  margin-bottom: 0.5rem;
}

.estimate-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* Form Inputs */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group-full {
  grid-column: span 2;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.1);
  background: var(--bg-tertiary);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

/* Wizard navigation footer */
.wizard-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 2rem;
}

/* Success layout */
.success-pane {
  text-align: center;
  padding: 2rem 0;
}

.success-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem auto;
  font-size: 2.5rem;
}

.success-desc {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 1rem auto 2.5rem auto;
}

.success-telemetry-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 229, 255, 0.1);
  padding: 1.5rem;
  border-radius: 12px;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  text-align: left;
  max-width: 520px;
  margin: 0 auto;
  color: var(--color-cyan);
}

.success-telemetry-box div {
  margin-bottom: 0.25rem;
}

.success-telemetry-box span {
  color: var(--text-secondary);
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  width: 90%;
  max-width: 600px;
  padding: 3rem;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-premium);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

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

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

.modal-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.modal-body {
  color: var(--text-secondary);
}

/* Contact Footer Section */
.footer {
  background: #04070d;
  padding: 6rem 0 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

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

.footer-logo-desc p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-title {
  font-family: var(--font-tech);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-orange);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links-list a {
  transition: color var(--transition-fast);
}

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

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

.footer-contact-info {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-contact-info li {
  display: flex;
  gap: 0.75rem;
}

.footer-contact-info svg {
  width: 18px;
  height: 18px;
  color: var(--color-cyan);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-cert-logos {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.cert-logo {
  font-family: var(--font-tech);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

/* Animations */
@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(0, 229, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
  }
}

@keyframes float-slow {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes scan-loop {
  0% {
    top: 0;
  }
  50% {
    top: calc(100% - 4px);
  }
  100% {
    top: 0;
  }
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .hero-image-container {
    max-width: 580px;
    margin: 0 auto;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .visualizer-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .fleet-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .nav-links {
    display: none; /* In a real app we'd toggle classes, simplified here */
  }
  
  .selection-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: span 1;
  }
  
  .calculator-card {
    padding: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}