/* ===== CSS VARIABLES ===== */
:root {
  --neon-blue: #00d4ff;
  --neon-purple: #8a2be2;
  --neon-green: #00ff88;
  --dark-bg: #0a0a0a;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.2);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 15px;
  --radius-lg: 20px;
  --radius-full: 50px;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
  --shadow-neon: 0 0 20px var(--neon-blue);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--dark-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
  font-size: 16px;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(45deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

.floating-orbs {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  animation: float 20s infinite linear;
}

.orb:nth-child(1) {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--neon-blue), transparent);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.orb:nth-child(2) {
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, var(--neon-purple), transparent);
  top: 60%;
  right: 20%;
  animation-delay: -5s;
}

.orb:nth-child(3) {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--neon-green), transparent);
  bottom: 30%;
  left: 70%;
  animation-delay: -10s;
}

/* ===== CUSTOM CURSOR ===== */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, var(--neon-blue), transparent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-neon);
}

.custom-cursor.hover {
  transform: scale(2);
  background: radial-gradient(circle, var(--neon-purple), transparent);
  box-shadow: 0 0 30px var(--neon-purple);
}

/* ===== LOADING SCREEN ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 1s ease;
}

.loading-text {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: loadingPulse 2s ease-in-out infinite;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

a {
  color: var(--neon-blue);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--neon-purple);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.highlight {
  color: var(--neon-blue);
  font-weight: 600;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--neon-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  color: white;
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

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

.form-input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

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

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

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

/* ===== CARDS ===== */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: all var(--transition-bounce);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-blue);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
}

.card-body {
  padding: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}

/* ===== GRID SYSTEMS ===== */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.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));
}

/* ===== VISIBILITY HELPERS ===== */
.hidden {
  display: none;
}

.visible {
  display: block;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s ease forwards;
}

/* ===== RESPONSIVE HELPERS ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hide-mobile {
    display: none;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none;
  }
}



/* Custom cursor exceptions */
.simple-ai-chat,
.simple-ai-chat *,
.ai-chat-bot,
.ai-chat-bot * {
  cursor: auto !important;
}

.simple-ai-chat button,
.ai-chat-bot button {
  cursor: pointer !important;
}