/* ===== CSS VARIABLES ===== */
:root {
  /* Color Palette */
  --primary-color: #2563eb;
  --secondary-color: #60a5fa;
  --background-color: #0f172a;
  --footer-bg-color: #1e293b;
  --button-color: #3b82f6;
  --section-bg-1: #0f172a;
  --section-bg-2: #111827;
  --section-bg-3: #1f2937;
  --accent-color: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #000000;
  --success-color: #10b981;
  --error-color: #ef4444;
  
  /* Typography */
  --font-primary: 'Inter', 'Roboto', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* 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;
  --space-4xl: 6rem;
  
  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* Shadows System */
  --shadow-sm: 2px 2px 0 var(--border-color);
  --shadow-md: 4px 4px 0 var(--border-color);
  --shadow-lg: 6px 6px 0 var(--border-color);
  --shadow-xl: 8px 8px 0 var(--border-color);
  --shadow-comet: 0 0 20px rgba(96, 165, 250, 0.5);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  background-color: var(--background-color);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-lg) 0;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-2xl);
}

h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-xl);
}

h3 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

h4 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

h5 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
}

h6 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

p {
  margin: 0 0 var(--space-md) 0;
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
}

a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--primary-color);
  transform: translateY(-1px);
}

code {
  font-family: var(--font-mono);
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-color);
  font-size: var(--text-sm);
}

/* ===== LAYOUT COMPONENTS ===== */
.comet-background {
  background: linear-gradient(135deg, var(--section-bg-1) 0%, var(--section-bg-2) 50%, var(--section-bg-3) 100%);
  position: relative;
}

.comet-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 20% 30%, rgba(96, 165, 250, 0.3), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(245, 158, 11, 0.4), transparent),
    radial-gradient(1px 1px at 90% 40%, rgba(96, 165, 250, 0.2), transparent),
    radial-gradient(2px 2px at 60% 20%, rgba(245, 158, 11, 0.3), transparent),
    radial-gradient(1px 1px at 80% 80%, rgba(96, 165, 250, 0.2), transparent);
  pointer-events: none;
}

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

/* ===== CARDS (Neo-Brutalism Style) ===== */
.card {
  background-color: var(--section-bg-2);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.card-highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: 3px solid var(--border-color);
  color: var(--text-primary);
}

.card-highlight:hover {
  box-shadow: var(--shadow-xl);
}

/* ===== BUTTONS (Neo-Brutalism Style) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  text-decoration: none;
  border: 2px solid var(--border-color);
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background-color: var(--primary-color);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--section-bg-3);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--section-bg-2);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--accent-color);
  color: var(--background-color);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background-color: #f59e0b;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.btn-glow {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-comet);
}

.btn-glow:hover {
  box-shadow: var(--shadow-xl), var(--shadow-comet);
}

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

.form-label {
  display: block;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--section-bg-2);
  border: 2px solid var(--border-color);
  border-radius: 0;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  transform: translate(-1px, -1px);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-primary);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23f8fafc' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-md) center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: var(--space-2xl);
}

/* ===== NAVIGATION ===== */
.nav {
  background-color: var(--footer-bg-color);
  border-bottom: 2px solid var(--border-color);
  padding: var(--space-lg) 0;
  position: relative;
  z-index: 50;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--text-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  color: var(--secondary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 700;
  font-family: var(--font-display);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--section-bg-3);
  border-color: var(--border-color);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--background-color) 0%, var(--section-bg-2) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 30% 40%, rgba(96, 165, 250, 0.6), transparent),
    radial-gradient(1px 1px at 70% 20%, rgba(245, 158, 11, 0.8), transparent),
    radial-gradient(1px 1px at 20% 80%, rgba(96, 165, 250, 0.4), transparent),
    radial-gradient(3px 3px at 80% 60%, rgba(96, 165, 250, 0.3), transparent);
  animation: twinkle 3s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.3; }
  100% { opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-2xl);
}

.hero-title {
  font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
  margin-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--text-primary), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== GRID SYSTEM ===== */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.bg-primary { background-color: var(--section-bg-1); }
.bg-secondary { background-color: var(--section-bg-2); }
.bg-accent { background-color: var(--section-bg-3); }

.border { border: 2px solid var(--border-color); }
.border-thick { border: 3px solid var(--border-color); }

.rounded { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* ===== FOOTER ===== */
.footer {
  background-color: var(--footer-bg-color);
  border-top: 2px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
  position: relative;
}

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

.footer-section h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-section p,
.footer-section a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--section-bg-3);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container-custom {
    padding: 0 var(--space-md);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .nav-container {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .nav-menu {
    gap: var(--space-md);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
}

@media (max-width: 480px) {
  .card {
    padding: var(--space-lg);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
  }
  
  .hero-content {
    padding: var(--space-lg);
  }
}

/* ===== LOADING ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-glow:hover {
  box-shadow: var(--shadow-comet);
}

/* ===== COMET THEME EFFECTS ===== */
.comet-trail {
  position: relative;
  overflow: hidden;
}

.comet-trail::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.2), transparent);
  transition: left 0.5s;
}

.comet-trail:hover::after {
  left: 100%;
}

.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-color));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glow-border:hover::before {
  opacity: 1;
}


/* 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;
    }
}