#SignUp, #LogOut {
  display: none;
}

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

/* Variables */
:root {
  /* Colors */
  --primary: #6C2BD9;
  --primary-dark: #5B24B7;
  --primary-light: #8A4AF3;
  --secondary: #39FF14;
  --secondary-dark: #2AD80F;
  --secondary-light: #5FFF44;
  --dark: #121212;
  --dark-light: #1E1E1E;
  --light: #F8F9FA;
  --gray: #6C757D;
  --gray-light: #CED4DA;
  --gray-dark: #343A40;
  --success: #28A745;
  --danger: #DC3545;
  --warning: #FFC107;
  --info: #17A2B8;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  
  /* Typography */
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Other */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-round: 50%;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --glow-purple: 0 0 15px rgba(108, 43, 217, 0.7);
  --glow-green: 0 0 15px rgba(57, 255, 20, 0.7);
}

/* Base Styles */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--light);
  background-color: var(--dark);
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  font-weight: 600;
}

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

a:hover {
  color: var(--secondary);
}

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

button {
  cursor: pointer;
  font-family: var(--font-body);
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Particle Background */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: background-color var(--transition-normal);
  background-color: rgba(18, 18, 18, 0.8);
  backdrop-filter: blur(8px);
}

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

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--secondary);
}

.logo-icon {
  margin-right: var(--space-sm);
  display: flex;
  align-items: center;
}

.keyboard-icon {
  width: 24px;
  height: 24px;
  stroke: var(--secondary);
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 70%;
}

.btn-signup {
  background-color: var(--primary);
  color: var(--light);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-md);
  margin-left: var(--space-md);
  transition: all var(--transition-normal);
}

.btn-signup:hover {
  background-color: var(--primary-light);
  color: var(--light);
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-sm);
  z-index: 101;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--light);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  padding-top: 120px;
  padding-bottom: var(--space-xxl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  text-align: center;
}

.speed-text {
  color: var(--primary-light);
  text-shadow: var(--glow-purple);
}

.type-text {
  color: var(--secondary);
  text-shadow: var(--glow-green);
}

.master-text {
  display: block;
  color: var(--light);
  font-size: 3rem;
}

.hero-tagline {
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  text-align: center;
  color: var(--gray-light);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xxl);
}

.btn {
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-text {
  z-index: 1;
  margin-right: var(--space-sm);
}

.btn-icon {
  z-index: 1;
  display: flex;
  align-items: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--light);
  border: none;
}

.btn-primary:hover {
  box-shadow: var(--glow-purple);
  transform: translateY(-3px);
}

.btn-secondary {
  background: rgba(18, 18, 18, 0.5);
  backdrop-filter: blur(5px);
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-secondary:hover {
  background-color: rgba(57, 255, 20, 0.1);
  box-shadow: var(--glow-green);
  transform: translateY(-3px);
}

.btn-glow {
  position: relative;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

.btn-glow:hover::before {
  left: 100%;
}

/* Racing Preview */
.racing-preview {
  background: rgba(30, 30, 30, 0.6);
  backdrop-filter: blur(5px);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  border: 1px solid rgba(108, 43, 217, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.racing-text {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  background: rgba(18, 18, 18, 0.5);
}

.sample-text {
  font-size: 1.25rem;
  line-height: 1.6;
}

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

.untyped {
  color: var(--gray);
}

.cursor {
  color: var(--secondary);
  font-weight: bold;
  animation: blink 1s infinite;
}

/* Keyboard Visualization */
.keyboard-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.key-row {
  display: flex;
  gap: var(--space-xs);
}

.key {
  width: 40px;
  height: 40px;
  background: rgba(40, 40, 40, 0.8);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  border: 1px solid var(--gray-dark);
  box-shadow: 0 2px 0 var(--gray-dark);
  transition: all var(--transition-fast);
  color: var(--gray-light);
}

.key.active {
  background-color: var(--primary);
  color: var(--light);
  transform: translateY(2px);
  box-shadow: none;
  border-color: var(--primary-light);
}

.space-key {
  width: 280px;
}

/* Features Section */
.features {
  padding: var(--space-xxl) 0;
  background: linear-gradient(to bottom, rgba(18, 18, 18, 0), rgba(108, 43, 217, 0.05), rgba(18, 18, 18, 0));
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--space-xl);
  color: var(--light);
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: rgba(30, 30, 30, 0.6);
  backdrop-filter: blur(5px);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid rgba(108, 43, 217, 0.2);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glow-purple);
  border-color: var(--primary);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--dark-light);
  border-radius: var(--border-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--light);
}

.feature-card p {
  color: var(--gray-light);
  line-height: 1.6;
}

/* Stats Section */
.stats {
  padding: var(--space-xxl) 0;
}

.stats-counter {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--secondary);
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 1.125rem;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  background-color: rgba(18, 18, 18, 0.9);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(108, 43, 217, 0.3);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--light);
  margin-bottom: var(--space-md);
}

.copyright {
  color: var(--gray);
  font-size: 0.875rem;
}

/* Media Queries for Responsive Design */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .master-text {
    font-size: 2.5rem;
  }
  
  .hero-tagline {
    font-size: 1.25rem;
  }
  
  .key {
    width: 35px;
    height: 35px;
    font-size: 0.75rem;
  }
  
  .space-key {
    width: 200px;
  }
}

@media (max-width: 768px) {
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px var(--space-lg) var(--space-lg);
    transition: right var(--transition-normal);
    z-index: 100;
  }
  
  .nav-list.active {
    right: 0;
  }
  
  .nav-link {
    padding: var(--space-md) 0;
    width: 100%;
    border-bottom: 1px solid rgba(108, 43, 217, 0.2);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .btn-signup {
    margin-left: 0;
    margin-top: var(--space-md);
    width: 100%;
    text-align: center;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .master-text {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .feature-cards {
    grid-template-columns: 1fr;
  }
  
  .stats-counter {
    flex-direction: column;
    gap: var(--space-xl);
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .master-text {
    font-size: 1.5rem;
  }
  
  .hero-tagline {
    font-size: 1rem;
  }
  
  .sample-text {
    font-size: 1rem;
  }
  
  .key {
    width: 28px;
    height: 28px;
    font-size: 0.7rem;
  }
  
  .space-key {
    width: 120px;
  }
  
  .section-title {
    font-size: 2rem;
  }
}