/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }

/* Sparkle animation */
.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #5eead4;
  border-radius: 50%;
  box-shadow: 0 0 8px 2px rgba(94, 234, 212, 0.6);
  animation: sparkle 3s ease-in-out infinite;
}
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0); }
  50% { opacity: 1; transform: scale(1); }
}

/* Floating cards */
.floating-card {
  animation: float 4s ease-in-out infinite;
}
.floating-card:nth-child(2) { animation-delay: 1s; }
.floating-card:nth-child(3) { animation-delay: 2s; }
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Scroll reveal (progressive enhancement — only applied via JS) */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile menu */
#mobileMenu {
  animation: slideDown 0.2s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Focus styles */
a:focus-visible, button:focus-visible {
  outline: 2px solid #5eead4;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #000f33; }
::-webkit-scrollbar-thumb { background: #0d47f5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #336dff; }