/* ─── Scroll-triggered animations ─────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s cubic-bezier(0.22,1,0.36,1), transform 0.55s cubic-bezier(0.22,1,0.36,1);
}
.fade-up.in-view { opacity: 1; transform: none; }

.stagger .fade-up:nth-child(1) { transition-delay: 0s; }
.stagger .fade-up:nth-child(2) { transition-delay: 0.1s; }
.stagger .fade-up:nth-child(3) { transition-delay: 0.2s; }
.stagger .fade-up:nth-child(4) { transition-delay: 0.3s; }
.stagger .fade-up:nth-child(5) { transition-delay: 0.4s; }
.stagger .fade-up:nth-child(6) { transition-delay: 0.5s; }
.stagger .fade-up:nth-child(7) { transition-delay: 0.6s; }

/* Hero animates immediately on load */
.hero-stagger .fade-up {
  animation: heroFadeUp 0.55s cubic-bezier(0.22,1,0.36,1) forwards;
}
.hero-stagger .fade-up:nth-child(1) { animation-delay: 0s; }
.hero-stagger .fade-up:nth-child(2) { animation-delay: 0.1s; }
.hero-stagger .fade-up:nth-child(3) { animation-delay: 0.2s; }
.hero-stagger .fade-up:nth-child(4) { animation-delay: 0.3s; }
.hero-stagger .fade-up:nth-child(5) { animation-delay: 0.4s; }
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}

/* ─── Nav scroll state ─────────────────────────────────────────────────────── */
#site-header { background: transparent; }
#site-header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}
#site-header.scrolled .logo-icon  { color: var(--color-primary); }
#site-header.scrolled .logo-text  { color: var(--color-text-primary); }
#site-header.scrolled .nav-link   { color: var(--color-text-secondary); }
#site-header.scrolled .nav-link:hover { color: var(--color-primary); background-color: var(--color-primary-light); }
#site-header.scrolled .nav-dealer-btn { color: var(--color-primary); border-color: var(--color-primary); }
#site-header.scrolled .nav-dealer-btn:hover { background-color: var(--color-primary-light); }
#site-header.scrolled .nav-mobile-toggle { color: var(--color-text-secondary); }
#site-header.scrolled .nav-mobile-toggle:hover { color: var(--color-primary); }

/* ─── Mobile menu ──────────────────────────────────────────────────────────── */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.2s ease, opacity 0.2s ease;
}
#mobile-menu.is-open { max-height: 500px; opacity: 1; }

/* ─── How It Works step panels ─────────────────────────────────────────────── */
.hiw-step {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.22,1,0.36,1);
  pointer-events: none;
}
.hiw-step.active { opacity: 1; pointer-events: auto; }