@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.floating {
  animation: float 3s ease-in-out infinite;
}
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}
.gradient-bg {
  background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
}
.skill-card {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.project-card {
  background: rgba(15, 23, 42, 0.7);
  transition: all 0.3s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.3);
}
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: #818cf8;
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}
.gold-arrow {
  color: #D4AF37;
  filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.6));
}