/* AirdropPilot - Premium Theme System */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Orbitron:wght@400;500;600;700;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   THEME VARIABLES
   ============================================ */
:root {
  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #1a1a1a;
  --text-secondary: #6c757d;
  --text-tertiary: #adb5bd;
  
  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #ec4899;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  
  /* Glass & Blur */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --blur-amount: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
  
  /* Neon Glow */
  --neon-glow: 0 0 20px rgba(99, 102, 241, 0.5);
  --neon-glow-strong: 0 0 40px rgba(99, 102, 241, 0.7);
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #131318;
  --bg-tertiary: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b2;
  --text-tertiary: #6c6c80;
  
  /* Accent Colors (brighter for dark) */
  --accent-primary: #818cf8;
  --accent-secondary: #a78bfa;
  --accent-tertiary: #f472b6;
  --accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #f472b6 100%);
  
  /* Glass & Blur */
  --glass-bg: rgba(19, 19, 24, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.5);
  --blur-amount: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(129, 140, 248, 0.4);
  
  /* Neon Glow */
  --neon-glow: 0 0 30px rgba(129, 140, 248, 0.6);
  --neon-glow-strong: 0 0 50px rgba(129, 140, 248, 0.8);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.orbitron {
  font-family: 'Orbitron', sans-serif;
}

/* ============================================
   GLASSMORPHISM
   ============================================ */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.glass-strong {
  background: var(--glass-bg);
  backdrop-filter: blur(calc(var(--blur-amount) * 1.5));
  -webkit-backdrop-filter: blur(calc(var(--blur-amount) * 1.5));
  border: 2px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   NEON & GLOW EFFECTS
   ============================================ */
.neon-border {
  border: 2px solid var(--accent-primary);
  box-shadow: var(--neon-glow);
  transition: box-shadow 0.3s ease;
}

.neon-border:hover {
  box-shadow: var(--neon-glow-strong);
}

.neon-text {
  color: var(--accent-primary);
  text-shadow: var(--neon-glow);
}

.glow-on-hover:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ============================================
   GRADIENT BACKGROUNDS
   ============================================ */
.gradient-bg {
  background: var(--accent-gradient);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@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%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse-slow {
  animation: pulse 3s ease-in-out infinite;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  box-shadow: var(--neon-glow-strong);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--accent-primary);
  color: white;
}

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

.btn-glass:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

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

.card-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader {
  width: 60px;
  height: 60px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  box-shadow: var(--shadow-md);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  transition: right 0.3s ease;
  z-index: 1001;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  right: 0;
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.active .modal-content {
  transform: scale(1);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(var(--blur-amount));
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: var(--neon-glow);
}

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

/* ============================================
   ACCORDION
   ============================================ */
.accordion-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-header {
  padding: 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content.active {
  max-height: 500px;
}

.accordion-body {
  padding: 0 1.25rem 1.25rem;
}

/* ============================================
   PRICING TOGGLE
   ============================================ */
.pricing-toggle {
  display: inline-flex;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.25rem;
}

.pricing-toggle button {
  padding: 0.5rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
}

.pricing-toggle button.active {
  background: var(--accent-gradient);
  color: white;
}

/* ============================================
   STATS COUNTER
   ============================================ */
.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: 'Orbitron', sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   UTILITIES
   ============================================ */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-to-content:focus {
  top: 0;
}

.section-padding {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3rem 0;
  }
  
  .stat-number {
    font-size: 2rem;
  }
}

/* ============================================
   BACKGROUND PARTICLES
   ============================================ */
.particles-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 8s ease-in-out infinite;
}