/* ===== BLOCKCHAIN GLOBAL PREMIUM - LUXURY CRYPTO PLATFORM ===== */
/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&family=JetBrains+Mono:wght@100..800&family=Playfair+Display:wght@400..900&display=swap');

/* ===== ROOT VARIABLES - PREMIUM THEME ===== */
:root {
  /* Premium Color Palette */
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.02);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  
  /* Gold & Premium Accents */
  --gold-primary: #d4af37;
  --gold-secondary: #ffd700;
  --gold-gradient: linear-gradient(135deg, #d4af37 0%, #ffd700 50%, #ffed4a 100%);
  
  /* Crypto Colors */
  --crypto-orange: #ff6b35;
  --crypto-blue: #4f46e5;
  --crypto-purple: #8b5cf6;
  --crypto-emerald: #10b981;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-accent: var(--gold-primary);
  
  /* Premium Shadows & Effects */
  --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
  --shadow-glow: 0 0 50px rgba(255, 215, 0, 0.2);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  /* Animations */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Theme Enhancements */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(0, 0, 0, 0.02);
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.8);
  --text-muted: rgba(15, 23, 42, 0.6);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* Premium Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 25% 25%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  z-index: -2;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-5px, -5px) rotate(0.5deg); }
  50% { transform: translate(5px, 5px) rotate(-0.5deg); }
  75% { transform: translate(-5px, 5px) rotate(0.5deg); }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--text-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--text-secondary);
}

.code-font {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* ===== CONTAINER SYSTEM ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container { padding: 0 1rem; }
}

/* ===== PREMIUM BUTTONS ===== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  overflow: hidden;
  white-space: nowrap;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
  z-index: -1;
}

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

.btn-premium {
  background: var(--gold-gradient);
  color: var(--bg-primary);
  box-shadow: var(--shadow-gold);
  text-shadow: none;
}

.btn-premium:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.btn-outline-premium {
  background: transparent;
  border: 2px solid var(--gold-primary);
  color: var(--gold-primary);
}

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

.btn-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* ===== PREMIUM CARDS ===== */
.card-premium {
  background: var(--bg-card);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card-premium::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--gold-primary), transparent);
  opacity: 0;
  transition: opacity 0.5s;
  z-index: -1;
  animation: rotate 4s linear infinite;
}

.card-premium:hover::before {
  opacity: 0.1;
}

.card-premium:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-glow);
}

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

/* ===== NAVIGATION ===== */
.header-premium {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.header-premium.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-premium);
}

.nav-premium {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 2rem;
}

.logo-premium {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.logo-icon-premium {
  width: 48px;
  height: 48px;
  background: var(--gold-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--bg-primary);
  box-shadow: var(--shadow-gold);
}

.logo-text-premium {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.nav-links-premium {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link-premium {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link-premium::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: width 0.3s ease;
}

.nav-link-premium:hover {
  color: var(--gold-primary);
}

.nav-link-premium:hover::after {
  width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-premium {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-content-premium {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  z-index: 2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Floating Elements */
.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.float-item {
  position: absolute;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.float-item:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.float-item:nth-child(2) {
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.float-item:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ===== STATS SECTION ===== */
.stats-premium {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 4rem 0;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

.stat-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 3rem;
  font-weight: 900;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* ===== PREMIUM GRID LAYOUTS ===== */
.grid-premium {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.7s ease-out forwards;
}

/* Animation delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ===== PREMIUM UTILITIES ===== */
.text-gradient {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.backdrop-blur { backdrop-filter: blur(20px); }
.glass-effect {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-padding { padding: 6rem 0; }
.section-padding-lg { padding: 8rem 0; }

/* ===== CRYPTO-SPECIFIC STYLING ===== */
.crypto-ticker {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  padding: 0.5rem 1rem;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-sm);
  color: var(--gold-primary);
}

.price-up { color: var(--crypto-emerald); }
.price-down { color: var(--crypto-orange); }

.wallet-address {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  background: var(--bg-card);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  word-break: break-all;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .container { padding: 0 1.5rem; }
  .nav-premium { padding: 0 1.5rem; }
}

@media (max-width: 768px) {
  .nav-links-premium {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 80px);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
  }
  
  .nav-links-premium.open {
    right: 0;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===== PREMIUM LOADING ANIMATION ===== */
.loading-premium {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  border-top-color: var(--gold-primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--gold-primary), var(--gold-secondary));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--gold-secondary), var(--gold-primary));
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--gold-primary) var(--bg-secondary);
}