@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(13,148,136,0.3); }
  50% { box-shadow: 0 0 40px rgba(13,148,136,0.6); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.animate-fade-in { animation: fadeIn 0.6s ease-out forwards; }
.animate-slide-left { animation: slideInLeft 0.8s ease-out forwards; }
.animate-slide-right { animation: slideInRight 0.8s ease-out forwards; }
.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-gradient { 
  background-size: 200% 200%;
  animation: gradient-shift 4s ease infinite; 
}
.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; }
.delay-600 { animation-delay: 0.6s; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif; }
.glass-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
}
.gradient-text {
  background: linear-gradient(135deg, #14b8a6, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-gradient {
  background: radial-gradient(ellipse at 20% 50%, rgba(13,148,136,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(251,191,36,0.1) 0%, transparent 50%),
              linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}
.card-hover {
  transition: all 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.nav-blur {
  backdrop-filter: blur(16px) saturate(180%);
  background: rgba(15,23,42,0.85);
}
.section-dark {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}
.btn-primary {
  background: linear-gradient(135deg, #0d9488, #14b8a6);
  transition: all 0.3s ease;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0f766e, #0d9488);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13,148,136,0.4);
}
.btn-accent {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #0f172a;
  transition: all 0.3s ease;
}
.btn-accent:hover {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(251,191,36,0.4);
}