/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* ── Navbar scroll state ── */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}
#navbar.scrolled {
  background: rgba(254, 253, 248, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(74, 128, 57, 0.08);
}
#navbar.scrolled .font-display { color: #284b21 !important; }

/* ── Floating card animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}
@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) ── */
@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Mobile menu transition ── */
#mobileMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
#mobileMenu.open {
  max-height: 400px;
  padding: 0;
}