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

body {
  overflow-x: hidden;
}

/* Scroll reveal — progressive enhancement via JS */
.reveal {
  opacity: 1;
  transform: translateY(0);
  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);
}

/* Nav scroll state */
nav.scrolled {
  background: rgba(254, 253, 248, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(4, 120, 87, 0.1);
}

/* Mobile menu */
#mobile-menu {
  animation: slideDown 0.25s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
  img { transition: none; }
}

/* Selection */
::selection {
  background: #047857;
  color: #D9F99D;
}