/* Base styles */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* Hero floating card animations */
@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(-1deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1.5deg); }
}

@keyframes float4 {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.card-float-1 { animation: float1 5s ease-in-out infinite; }
.card-float-2 { animation: float2 4.5s ease-in-out infinite 0.5s; }
.card-float-3 { animation: float3 5.5s ease-in-out infinite 1s; }
.card-float-4 { animation: float4 4s ease-in-out infinite 0.3s; }

/* Reveal animations — progressive enhancement via JS */
.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal.delay-1 { transition-delay: 0.1s; }
  .reveal.delay-2 { transition-delay: 0.2s; }
  .reveal.delay-3 { transition-delay: 0.3s; }
}

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(255, 254, 249, 0.92) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(5, 95, 70, 0.08);
}

/* Mobile menu transitions */
#mobile-menu {
  animation: slideDown 0.3s ease-out;
}

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

/* Hamburger animation */
#menu-toggle.active #bar1 {
  transform: rotate(45deg) translate(5px, 5px);
}

#menu-toggle.active #bar2 {
  opacity: 0;
}

#menu-toggle.active #bar3 {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Smooth image loading */
img {
  background-color: #f0fdf4;
}

/* Selection color */
::selection {
  background-color: #A7F3D0;
  color: #064E3B;
}

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

::-webkit-scrollbar-track {
  background: #FFF9EC;
}

::-webkit-scrollbar-thumb {
  background: #A7F3D0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6EE7B7;
}