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

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #fdfcf8;
}
::-webkit-scrollbar-thumb {
  background: #166534;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #14532d;
}

/* Hero animations — only below the fold, hero is always visible */
@media (prefers-reduced-motion: no-preference) {
  .hero-title {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 1;
    transform: translateY(0);
  }
  .hero-subtitle {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
    opacity: 0;
    transform: translateY(20px);
  }
  .hero-desc {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
  }
  .hero-cta {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.45s forwards;
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal — progressive enhancement, content visible by default */
@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
}

/* Mobile menu transitions */
#mobile-menu {
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), pointer-events 0.4s;
}
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

/* Navbar transition */
#navbar.scrolled {
  background: rgba(5, 46, 22, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* Image lazy loading fade */
img {
  opacity: 1;
}