@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --glass-blur: blur(20px) saturate(180%);
  --glass-bg-light: rgba(255, 255, 255, 0.12);
  --glass-bg-medium: rgba(255, 255, 255, 0.18);
  --glass-bg-dark: rgba(0, 0, 0, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --gradient-hero: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  min-height: 100vh;
  color: #fff;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(240, 147, 251, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(118, 75, 162, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.glass {
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
}

.glass-strong {
  background: var(--glass-bg-medium);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.glass-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.glass-nav {
  background: rgba(15, 12, 41, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 12px 28px;
  font-weight: 500;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary-glass {
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 14px 32px;
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary-glass:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
}

.text-gradient {
  background: linear-gradient(135deg, #667eea 0%, #f093fb 50%, #f5576c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.fade-in {
  animation: fadeIn 0.8s ease forwards;
  opacity: 0;
}

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

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

.hero-gradient {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 40%, #24243e 60%, #1a1a2e 100%);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(240, 147, 251, 0.15) 0%, transparent 40%);
  animation: heroGlow 15s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, 2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

.section-padding {
  padding: 80px 0;
}

.card-hover-lift {
  transition: all var(--transition-normal);
}

.card-hover-lift:hover {
  transform: translateY(-8px) scale(1.02);
}

.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, #667eea, #f093fb, #f5576c, #667eea);
  background-size: 300% 300%;
  animation: gradientBorder 4s ease infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

@keyframes gradientBorder {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.icon-glass {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  font-size: 24px;
}

.badge-glass {
  background: rgba(102, 126, 234, 0.3);
  border: 1px solid rgba(102, 126, 234, 0.5);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
}

.nav-link-glass {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link-glass:hover,
.nav-link-glass.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.input-glass {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #fff;
  padding: 14px 18px;
  transition: all var(--transition-normal);
}

.input-glass:focus {
  outline: none;
  border-color: rgba(102, 126, 234, 0.6);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
}

.input-glass::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
  .section-padding {
    padding: 50px 0;
  }
  
  .glass {
    border-radius: var(--radius-lg);
  }
}

.scrollbar-glass::-webkit-scrollbar {
  width: 6px;
}

.scrollbar-glass::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.scrollbar-glass::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.scrollbar-glass::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}