/* ===========================
   LaneDetect.com - Main Stylesheet
   Mobile-First Responsive Design
   =========================== */

/* Root Variables */
:root {
  /* Color Palette - Autonomous Vehicle Theme */
  --primary-color: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #3385FF;
  --secondary-color: #00D4AA;
  --accent-color: #FF6B35;
  
  /* Background Colors */
  --bg-primary: #0A0E27;
  --bg-secondary: #111632;
  --bg-tertiary: #1A1F3A;
  --bg-card: #1E2444;
  --bg-hover: #252B4D;
  
  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #B8BED9;
  --text-tertiary: #8891B2;
  --text-muted: #6B7494;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
  --gradient-secondary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
  --gradient-text: linear-gradient(90deg, #00D4AA 0%, #0066FF 100%);
  
  /* Border Colors */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 18px;
  --font-size-sm: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 40px;
  --font-size-4xl: 48px;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(0, 214, 170, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(0, 214, 170, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

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

a:hover {
  color: var(--primary-light);
}

/* Navigation Header */
.nav-header {
  position: sticky;
  top: 0;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  width: 36px;
  height: 36px;
}

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.tld {
  color: var(--secondary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-fast);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Navigation Menu - Mobile First */
.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md);
  list-style: none;
}

.nav-menu.active {
  display: block;
}

.nav-menu li {
  margin-bottom: var(--spacing-sm);
}

.nav-menu a {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  display: block;
  padding: var(--spacing-xs);
  transition: var(--transition-fast);
}

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

.btn-nav-cta {
  background: var(--gradient-primary);
  color: var(--text-primary) !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-top: var(--spacing-sm);
  text-align: center;
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  display: grid;
  gap: var(--spacing-xl);
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 214, 170, 0.1);
  color: var(--secondary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  border: 1px solid rgba(0, 214, 170, 0.3);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 500;
  display: inline-block;
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(0, 214, 170, 0.4);
  color: var(--text-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

.btn-cta {
  background: var(--gradient-primary);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-glow);
}

.calculator-disclaimer {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    background: rgba(255, 107, 53, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-md);
    text-align: center;
}

.calculator-disclaimer p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.calculator-disclaimer strong {
    color: var(--text-primary);
}

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.hero-image-fallback {
  display: none;
}

/* Enhanced Lane Detection Animation */
.lane-visualization {
    width: 100%;
    height: 450px;
    background: linear-gradient(180deg, #1a1f3a 0%, #0a0e27 100%);
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    cursor: move;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* Perspective road effect */
.road-perspective {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 100%;
    background: linear-gradient(to top, 
        rgba(30, 36, 68, 0.8) 0%, 
        transparent 40%);
    clip-path: polygon(45% 100%, 55% 100%, 65% 0%, 35% 0%);
    pointer-events: none;
}

/* Enhanced lane lines with gradient */
.lane-line {
    position: absolute;
    width: 4px;
    height: 200%;
    background: repeating-linear-gradient(
        to bottom,
        #00D4AA 0,
        #00D4AA 30px,
        rgba(0, 212, 170, 0.3) 30px,
        rgba(0, 212, 170, 0.3) 35px,
        transparent 35px,
        transparent 55px
    );
    animation: laneMove 2.5s linear infinite;
    filter: drop-shadow(0 0 8px rgba(0, 212, 170, 0.6));
    pointer-events: none;
}

.lane-line.left {
    left: 28%;
    animation: laneMoveLeft 2.5s linear infinite;
}

.lane-line.center-left {
    left: 42%;
    opacity: 0.7;
    animation: laneMoveCenterLeft 2.6s linear infinite;
}

.lane-line.center {
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    opacity: 0.8;
    background: repeating-linear-gradient(
        to bottom,
        #FFD700 0,
        #FFD700 20px,
        transparent 20px,
        transparent 40px
    );
    filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
    animation: laneMove 2.5s linear infinite;
}

.lane-line.center-right {
    right: 42%;
    opacity: 0.7;
    animation: laneMoveCenterRight 2.6s linear infinite;
}

.lane-line.right {
    right: 28%;
    animation: laneMoveRight 2.5s linear infinite;
}

/* Fixed animations for lane lines */
@keyframes laneMove {
    0% { transform: translateY(-55px) translateX(-50%); }
    100% { transform: translateY(0) translateX(-50%); }
}

@keyframes laneMoveLeft {
    0% { transform: translateY(-55px) perspective(800px) rotateY(25deg); }
    100% { transform: translateY(0) perspective(800px) rotateY(25deg); }
}

@keyframes laneMoveCenterLeft {
    0% { transform: translateY(-55px) perspective(800px) rotateY(10deg); }
    100% { transform: translateY(0) perspective(800px) rotateY(10deg); }
}

@keyframes laneMoveCenterRight {
    0% { transform: translateY(-55px) perspective(800px) rotateY(-10deg); }
    100% { transform: translateY(0) perspective(800px) rotateY(-10deg); }
}

@keyframes laneMoveRight {
    0% { transform: translateY(-55px) perspective(800px) rotateY(-25deg); }
    100% { transform: translateY(0) perspective(800px) rotateY(-25deg); }
}

/* Vehicle detection boxes with tracking */
.detection-box {
    position: absolute;
    border: 2px solid #0066FF;
    border-radius: 6px;
    background: rgba(0, 102, 255, 0.05);
    transition: all 0.3s ease;
    z-index: 10;
}

.detection-box::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 8px;
    animation: scanPulse 2s ease-in-out infinite;
}

.detection-box::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 6px;
    background: linear-gradient(45deg, 
        transparent, 
        rgba(0, 102, 255, 0.4), 
        transparent);
    animation: rotateGlow 3s linear infinite;
    z-index: -1;
}

/* Main vehicle ahead */
.vehicle-main {
    width: 120px;
    height: 70px;
    bottom: 45%;
    left: 50%;
    transform: translateX(-50%);
    animation: vehicleFloat 4s ease-in-out infinite;
}

/* Side vehicles */
.vehicle-left {
    width: 100px;
    height: 60px;
    bottom: 35%;
    left: 22%;
    animation: vehicleSway 5s ease-in-out infinite;
}

.vehicle-right {
    width: 100px;
    height: 60px;
    bottom: 38%;
    right: 22%;
    animation: vehicleSway 5s ease-in-out infinite reverse;
}

/* Vehicle labels */
.detection-label {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 102, 255, 0.9);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    animation: labelFade 2s ease-in-out infinite;
    z-index: 11;
}

/* Distance indicators */
.distance-indicator {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    color: #00D4AA;
    font-size: 10px;
    font-weight: 500;
    animation: distanceUpdate 3s ease-in-out infinite;
    z-index: 11;
}

/* Lane tracking points - FIXED */
.tracking-point {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #00D4AA;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 212, 170, 0.8);
    animation: pointPulse 1.5s ease-in-out infinite;
    z-index: 5;
}

/* Fixed positioning for tracking points */
.tracking-point:nth-of-type(1) { bottom: 10%; left: 30%; animation-delay: 0s; }
.tracking-point:nth-of-type(2) { bottom: 20%; left: 32%; animation-delay: 0.2s; }
.tracking-point:nth-of-type(3) { bottom: 30%; left: 34%; animation-delay: 0.4s; }
.tracking-point:nth-of-type(4) { bottom: 40%; left: 36%; animation-delay: 0.6s; }
.tracking-point:nth-of-type(5) { bottom: 10%; right: 30%; animation-delay: 0.1s; }
.tracking-point:nth-of-type(6) { bottom: 20%; right: 32%; animation-delay: 0.3s; }
.tracking-point:nth-of-type(7) { bottom: 30%; right: 34%; animation-delay: 0.5s; }
.tracking-point:nth-of-type(8) { bottom: 40%; right: 36%; animation-delay: 0.7s; }

/* HUD overlay elements */
.hud-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 20;
}

/* Speed indicator */
.speed-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(0, 214, 170, 0.5);
    border-radius: 8px;
    padding: 10px 15px;
    backdrop-filter: blur(10px);
}

.speed-value {
    color: #00D4AA;
    font-size: 24px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

.speed-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    margin-top: 2px;
}

/* Status indicator */
.status-indicator {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 12px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: #00D4AA;
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

.status-text {
    color: #00D4AA;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

/* Scanning effect */
.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 214, 170, 0.8), 
        transparent);
    animation: scanLine 3s linear infinite;
    pointer-events: none;
}

/* Grid overlay for depth */
.grid-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background-image: 
        linear-gradient(rgba(0, 214, 170, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 214, 170, 0.05) 1px, transparent 1px);
    background-size: 50px 30px;
    animation: gridMove 10s linear infinite;
    opacity: 0.5;
    pointer-events: none;
}

/* Warning zone */
.warning-zone {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 100px;
    border: 2px dashed rgba(255, 107, 53, 0.5);
    border-radius: 50%;
    animation: warningPulse 2s ease-in-out infinite;
    pointer-events: none;
    z-index: 3;
}

/* Performance info */
.performance-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    padding: 10px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    font-family: 'Courier New', monospace;
}

.performance-info div {
    margin: 2px 0;
}

.perf-label {
    color: rgba(255, 255, 255, 0.5);
    display: inline-block;
    width: 80px;
}

.perf-value {
    color: #00D4AA;
    font-weight: bold;
}

/* Animations */
@keyframes scanPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

@keyframes vehicleFloat {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes vehicleSway {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

@keyframes labelFade {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes distanceUpdate {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes pointPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.6;
    }
    50% { 
        transform: scale(1.5);
        opacity: 1;
    }
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(30px); }
}

@keyframes warningPulse {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.3; }
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Interaction hover effects */
.lane-visualization:hover .detection-box {
    border-color: #00D4AA;
    box-shadow: 0 0 20px rgba(0, 214, 170, 0.4);
}

.lane-visualization:hover .tracking-point {
    animation-duration: 0.8s;
}

/* Ensure animation container stays within bounds */
.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
}

/* Value Proposition Section */
.value-prop {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

.value-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.value-card {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-glow);
}

.value-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
}

.value-icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) saturate(100%) invert(67%) sepia(89%) saturate(1359%) hue-rotate(127deg) brightness(95%) contrast(96%);
}

.value-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
}

/* Technology Section */
.tech-section {
  padding: var(--spacing-3xl) 0;
}

.tech-accordion {
  margin-top: var(--spacing-xl);
}

.accordion-item {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.accordion-header {
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background: var(--bg-hover);
}

.accordion-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.accordion-icon {
  font-size: var(--font-size-xl);
  transition: var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.accordion-item.active .accordion-content {
  display: block;
}

.tech-detail h4 {
  color: var(--secondary-color);
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font-size: var(--font-size-base);
}

.tech-detail ul {
  list-style: none;
  margin-left: 0;
}

.tech-detail li {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
  font-size: var(--font-size-base);
}

.tech-detail li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
}

.tech-detail strong {
  color: var(--text-primary);
}

/* Calculator Section */
.calculator-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.calculator-widget {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-xl);
}

.calc-inputs {
  margin-bottom: var(--spacing-lg);
}

.input-group {
  margin-bottom: var(--spacing-md);
}

.input-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

.input-group input[type="range"] {
  width: 100%;
  height: 6px;
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
}

.input-group input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.input-group select {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
}

.input-value {
  display: inline-block;
  margin-left: var(--spacing-sm);
  color: var(--secondary-color);
  font-weight: 600;
}

.calc-results {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.calc-results h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.result-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}

.result-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.result-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--secondary-color);
}

.result-recommendation {
  padding: var(--spacing-md);
  background: rgba(0, 214, 170, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 214, 170, 0.3);
}

.result-recommendation p {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

/* Applications Section */
.applications {
  padding: var(--spacing-3xl) 0;
}

.app-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.app-card {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

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

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.app-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.app-badge {
  background: rgba(0, 102, 255, 0.2);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
}

.app-card p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.app-features {
  list-style: none;
  margin: 0;
}

.app-features li {
  color: var(--text-tertiary);
  padding-left: var(--spacing-md);
  position: relative;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.app-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
}

/* Network Section */
.network-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.network-box {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
}

.network-box h2 {
  margin-bottom: var(--spacing-sm);
}

.network-box > p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.network-domains {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.domain-card {
  display: block;
  background: var(--bg-tertiary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  text-decoration: none;
}

.domain-card:hover {
  transform: translateY(-2px);
  border-color: var(--secondary-color);
}

.domain-card.current {
  border-color: var(--secondary-color);
  background: rgba(0, 214, 170, 0.1);
}

.domain-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--spacing-sm);
}

.domain-icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) saturate(100%) invert(67%) sepia(89%) saturate(1359%) hue-rotate(127deg) brightness(95%) contrast(96%);
}

.domain-card h3 {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.domain-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.domain-status {
  display: inline-block;
  margin-top: var(--spacing-xs);
  color: var(--secondary-color);
  font-size: var(--font-size-sm);
}

.domain-link {
  display: inline-block;
  margin-top: var(--spacing-xs);
  color: var(--primary-color);
  font-size: var(--font-size-sm);
}

.network-cta {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.network-cta p {
  margin-bottom: var(--spacing-sm);
}

/* Resources Section */
.resources {
  padding: var(--spacing-3xl) 0;
}

.resource-tabs {
  margin-top: var(--spacing-xl);
}

.tab-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--spacing-xs);
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--font-size-base);
  white-space: nowrap;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border-color: transparent;
}

.tab-content {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.tab-pane {
  display: none;
}

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

.resource-list {
  list-style: none;
}

.resource-list li {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.resource-list li:last-child {
  border-bottom: none;
}

.resource-list h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.resource-list p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.resource-meta {
  display: inline-block;
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.cta-content {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.cta-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.cta-content h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.cta-content > p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

.cta-feature svg {
  color: var(--secondary-color);
}

/* Visual separator between domain offers */
.network-box {
    border-top: 1px solid rgba(0, 214, 170, 0.2);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
}

/* Footer */
.footer {
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  width: 40px;
  height: 40px;
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: var(--text-tertiary);
  font-size: var(--font-size-base);
}

.footer h4 {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: var(--spacing-sm);
}

.footer ul a {
  color: var(--text-tertiary);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

/* Animations */

/* Highlight effect when scrolling to domain inquiry */
#domain-inquiry:target {
    animation: highlightSection 2s ease;
}

@keyframes highlightSection {
    0% {
        background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    }
    50% {
        background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 214, 170, 0.1) 100%);
        box-shadow: 0 0 30px rgba(0, 214, 170, 0.2);
    }
    100% {
        background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes glow {
  0% { box-shadow: 0 0 20px rgba(0, 214, 170, 0.3); }
  50% { box-shadow: 0 0 40px rgba(0, 214, 170, 0.5); }
  100% { box-shadow: 0 0 20px rgba(0, 214, 170, 0.3); }
}

/* Scroll Animations */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--secondary-color);
  color: var(--bg-primary);
}

::-moz-selection {
  background: var(--secondary-color);
  color: var(--bg-primary);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Print Styles */
@media print {
  .nav-header,
  .hero-visual,
  .calculator-section,
  .network-section,
  .cta-section,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
  }
}

/* ===========================
   Contact Page Styles - Mobile First Single Column
   =========================== */

/* Single Column Layout for All Devices */
.contact-container {
    max-width: 700px;  /* Narrower for single column */
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;  /* Always single column */
    gap: var(--spacing-xl);
}

/* Form comes first, info section below */
.contact-form-wrapper {
    order: 1;
}

.contact-info {
    order: 2;
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

/* FAQ section remains full width */
.contact-additional {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

/* Enhanced Form Appearance */
.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 214, 170, 0.1);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 214, 170, 0.3);
}

/* Info items styling */
.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.info-icon img {
    width: 100%;
    height: 100%;
    filter: brightness(0) saturate(100%) invert(67%) sepia(89%) saturate(1359%) hue-rotate(127deg) brightness(95%) contrast(96%);
}

.info-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.info-content p {
    margin: 0;
    color: var(--text-secondary);
}

/* Alert box styling */
.alert-box {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 107, 53, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-md);
}

.alert-box p {
    margin: 0;
    color: var(--text-secondary);
}

/* FAQ items styling */
.faq-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.faq-item h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.faq-item p {
    margin: 0;
    color: var(--text-secondary);
}

/* End of style.css */