/* CSS Variables - Color System */
:root {
  /* User-specified colors */
  --primary-color: #00D4FF;
  --secondary-color: #8B5CF6;
  --background-color: #0A0A0A;
  --footer-bg-color: #1A1A1A;
  --button-color: #00D4FF;
  
  /* Enhanced color palette */
  --primary-light: #33DDFF;
  --primary-dark: #00B4D8;
  --secondary-light: #A78BFA;
  --secondary-dark: #7C3AED;
  
  /* Neutral palette */
  --dark-100: #1A1A1A;
  --dark-200: #2A2A2A;
  --dark-300: #3A3A3A;
  --light-100: #FFFFFF;
  --light-200: #F8F9FA;
  --light-300: #E9ECEF;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  
  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 212, 255, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--background-color) 0%, #0F0F0F 50%, var(--dark-100) 100%);
  color: var(--light-100);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-lg);
  color: var(--light-100);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary-color);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--secondary-light);
}

h4 {
  font-size: 1.5rem;
  color: var(--primary-light);
}

h5 {
  font-size: 1.25rem;
  color: var(--light-200);
}

h6 {
  font-size: 1.125rem;
  color: var(--light-300);
}

p {
  margin-bottom: var(--space-md);
  color: var(--light-200);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-normal);
}

a:hover {
  color: var(--primary-light);
  text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-dark {
  background: var(--dark-100);
}

.section-darker {
  background: var(--dark-200);
}

/* Cards */
.card {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 212, 255, 0.4);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--background-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--background-color);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  color: var(--light-100);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--light-100);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--background-color);
  box-shadow: var(--shadow-md);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--primary-color);
  font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--dark-300);
  border-radius: var(--radius-md);
  background: rgba(26, 26, 26, 0.6);
  color: var(--light-100);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition-normal);
  backdrop-filter: blur(5px);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Navigation */
.nav {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--light-200);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: rgba(0, 212, 255, 0.1);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
  max-width: 800px;
  z-index: 2;
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--light-200);
  margin-bottom: var(--space-2xl);
  opacity: 0.9;
}

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

/* Footer */
.footer {
  background: var(--footer-bg-color);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
}

.footer-section p,
.footer-section a {
  color: var(--light-200);
  margin-bottom: var(--space-sm);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--dark-300);
  color: var(--light-300);
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-3xl: 2.5rem;
    --space-2xl: 2rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .nav-menu {
    display: none;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 480px) {
  .card {
    padding: var(--space-lg);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
}

/* Custom Animations (minimal, no complex effects) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Focus States for Accessibility */
.btn:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--light-100);
}

::-moz-selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--light-100);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-100);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--primary-color), var(--secondary-color));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(var(--primary-light), var(--secondary-light));
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}