* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #8b5cf6;
  --primary-hover: #7c3aed;
  --secondary-color: #1e1b2e;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --background: #0a0a0f;
  --surface: #161621;
  --border-color: #2a2a3a;
  --gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --purple-gradient: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --glow: 0 0 30px rgba(139, 92, 246, 0.3);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary-color);
}

.cta-button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.cta-button:hover {
  background: var(--primary-hover);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: radial-gradient(ellipse at top, rgba(139, 92, 246, 0.1) 0%, var(--background) 50%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.primary-button {
  background: var(--purple-gradient);
  color: white;
  border: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.primary-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.primary-button:hover::before {
  left: 100%;
}

.primary-button.large {
  padding: 20px 40px;
  font-size: 1.125rem;
}

.secondary-button {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.secondary-button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Floating Card */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  animation: float 6s ease-in-out infinite;
  position: relative;
}

.floating-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  background: var(--purple-gradient);
  border-radius: 20px;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

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

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-weight: 600;
  color: var(--text-secondary);
}

.eth-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.balance {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.apy {
  color: #10b981;
  font-size: 1.125rem;
  font-weight: 600;
}

/* Features Section */
.features {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 64px;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--primary-color), transparent);
  border-radius: 16px;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
  background: var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px;
  margin-top: 64px;
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 24px;
}

.step h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.step p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Statistics */
.stats-section {
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.stat-card {
  background: var(--surface);
  padding: 40px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.stat-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-description {
  color: var(--text-secondary);
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: var(--surface);
  color: white;
  text-align: center;
  position: relative;
  border-top: 1px solid var(--border-color);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--purple-gradient);
  opacity: 0.1;
  pointer-events: none;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: 32px;
  opacity: 0.9;
}

.cta-section .primary-button {
  background: var(--purple-gradient);
  color: white;
}

.cta-section .primary-button:hover {
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  padding: 60px 0 30px;
  background: #1f2937;
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.footer-brand p {
  color: #9ca3af;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-column h4 {
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-column a {
  display: block;
  color: #9ca3af;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-column a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 30px;
  text-align: center;
  color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    justify-content: center;
    gap: 32px;
  }
  
  .nav-links {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .section-title {
    font-size: 2rem;
  }
}