/* Base & Utilities */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scroll Reveal — progressive enhancement, only active when JS runs */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 0;
    transform: translateY(32px);
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-32px);
  }
  .reveal-right {
    opacity: 0;
    transform: translateX(32px);
  }

  .reveal-up.revealed,
  .reveal-left.revealed,
  .reveal-right.revealed {
    opacity: 1;
    transform: none;
  }
}

/* Floating animation for hero cards */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(2deg); }
  50% { transform: translateY(-12px) rotate(2deg); }
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-8px) rotate(-1deg); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-delayed 5s ease-in-out infinite;
  animation-delay: 1s;
}

/* Nav active state */
#nav.scrolled {
  box-shadow: 0 1px 20px rgba(15, 23, 42, 0.08);
}

/* Mobile menu transitions */
#mobileMenu {
  transition: opacity 0.3s ease;
}

#mobileMenu.open {
  display: flex;
  opacity: 1;
}

#mobileMenu.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0fdf4;
}
::-webkit-scrollbar-thumb {
  background: #bbf7d0;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #86efac;
}