/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ── Navigation ── */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
#site-header.scrolled {
  background: rgba(20, 83, 45, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.15);
}

.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: #34d399;
  border-radius: 1px;
  transition: transform 0.2s ease;
}
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }

/* ── Reveal Animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
  /* Stagger children */
  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
  .reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
  .reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
  .reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
  .reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
  .reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }
  .reveal-stagger.revealed > *:nth-child(7) { transition-delay: 0.35s; }
  .reveal-stagger.revealed > *:nth-child(8) { transition-delay: 0.4s; }
}

/* Always visible fallback */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Card Hover ── */
.card-hover { transition: transform 0.3s ease; }
.card-hover:hover { transform: translateY(-4px); }

/* ── Amenity Cards ── */
.amenity-card { transition: transform 0.3s ease; }
.amenity-card:hover { transform: translateY(-2px); }

/* ── Button Focus ── */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid #14532d;
  outline-offset: 2px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f5f5f0; }
::-webkit-scrollbar-thumb { background: #a9d5b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2d7a4f; }

/* ── Mobile Menu Transition ── */
#mobile-menu {
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Hero gradient shimmer ── */
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}