body { font-family: 'Inter', sans-serif; }
.profile-photo { object-fit: cover; }
.focus-ring:focus { outline: 2px solid rgba(99,102,241,0.5); outline-offset: 2px; }

@keyframes gradient-x {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.animate-gradient-x {
  background-size: 200% 200%;
  animation: gradient-x 5s ease infinite;
}

.timeline-line::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 17px;
  width: 2px;
  background: #e2e8f0;
  z-index: 0;
}
@media (min-width: 768px) {
  .timeline-line::before { left: 50%; transform: translateX(-50%); }
}

.xenon-glow {
  transition: all 0.5s ease-in-out;
  text-shadow: 0 0 10px rgba(14, 165, 233, 0.3), 0 0 20px rgba(139, 92, 246, 0.2);
}

.group:hover .xenon-glow {
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.8), 0 0 20px rgba(99, 102, 241, 0.6), 0 0 40px rgba(168, 85, 247, 0.4);
}

@keyframes shimmer {
  100% {
    transform: translateX(150%);
  }
}