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

body {
  overflow-x: hidden;
}

/* Floating card animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

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

.animate-float-delayed {
  animation: float-delayed 4.5s ease-in-out infinite;
  animation-delay: 1s;
}

/* 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(24px);
  }
  
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* Menu card hover */
.menu-card {
  border: 1px solid transparent;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f0fdfa;
}

::-webkit-scrollbar-thumb {
  background: #99f6e4;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2dd4bf;
}

/* Selection */
::selection {
  background: #99f6e4;
  color: #134e4a;
}