/* Scroll-reveal: elements fade + rise into place as they enter the viewport */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered group reveal: each direct child animates in with an
   incremental delay, applied via JS (transitionDelay) when the group
   scrolls into view. */
.stagger-group > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.stagger-group > *.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Hover lift for cards and tiles across the site */
.quicknav-tile, .grade-card, .review-card, .process-step, .faq-item {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.quicknav-tile:hover, .grade-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(20,35,27,0.1);
}
.review-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(20,35,27,0.08);
}
.product-card, .featured-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.product-card:hover, .featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(20,35,27,0.12);
}

/* Buttons: a touch more life than a flat click */
.btn { transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(193,68,60,0.35); }
.btn-outline:hover { transform: translateY(-2px); }

/* Nav links: underline slide-in instead of instant snap */
.main-nav a { position: relative; border-bottom: none !important; }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 2px;
  background: var(--flag-600);
  transition: right 0.2s ease;
}
.main-nav a:hover::after { right: 0; }

/* Mega-menu dropdown */
.has-dropdown { position: relative; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  border: 1px solid rgba(20,35,27,0.1);
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(20,35,27,0.14);
  padding: 22px 26px;
  display: flex;
  gap: 36px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 60;
}
.has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-col { display: flex; flex-direction: column; gap: 9px; min-width: 130px; }
.nav-dropdown-col h5 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(20,35,27,0.45);
  margin: 0 0 4px;
}
.nav-dropdown-col a {
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--green-900);
  white-space: nowrap;
}
.nav-dropdown-col a:hover { color: var(--flag-600); }

@media (max-width: 820px) {
  .nav-dropdown { display: none; }
}