/* Custom styles beyond Tailwind */

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Stat card float animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.stat-card:nth-child(1) { animation: float 4s ease-in-out infinite; }
.stat-card:nth-child(2) { animation: float 4s ease-in-out infinite 0.5s; }
 stat-card:nth-child(3) { animation: float 4s ease-in-out infinite 1s; }

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Nav scroll state */
#site-nav.scrolled {
  background-color: rgba(2, 6, 23, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0f172a;
}
::-webkit-scrollbar-thumb {
  background: #14b8a6;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2dd4bf;
}

/* Selection color */
::selection {
  background-color: rgba(13, 148, 136, 0.3);
  color: #f8fafc;
}

/* Image hover zoom container */
.group:hover .group-hover\:scale-105 {
  transform: scale(1.05);
}

/* Mobile menu transition */
#mobile-menu {
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive tweaks */
@media (max-width: 640px) {
  .stat-card { display: none !important; }
}