/* ===================================================================
   ANIMATIONS — page transitions, nav states, entrance choreography
=================================================================== */

/* Page transition overlay */
.page-transition {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 998;
  transform: translateY(0);
  transition: transform .6s var(--ease);
  pointer-events: none;
}
.page-transition.enter { transform: translateY(-100%); }

/* Mobile nav open state */
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 84vw);
  height: 100vh;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  z-index: 199;
  padding: 100px 32px 40px;
  transform: translateX(100%);
  transition: transform .5s var(--ease);
  display: flex; flex-direction: column; gap: 26px;
}
.mobile-menu.active { transform: translateX(0); }
.mobile-menu a { font-size: 17px; color: var(--soft-gray); }
.mobile-menu a.active, .mobile-menu a:hover { color: var(--primary); }
.mobile-menu .btn { margin-top: 10px; justify-content: center; }

.menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(3px);
  z-index: 198;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s var(--ease);
}
.menu-backdrop.active { opacity: 1; pointer-events: auto; }

/* Entrance choreography for hero children */
.hero-eyebrow, .hero h1, .hero p.lead, .hero-actions, .hero-stats {
  opacity: 0;
  animation: hero-in .8s var(--ease) forwards;
}
.hero-eyebrow { animation-delay: .15s; }
.hero h1 { animation-delay: .3s; }
.hero p.lead { animation-delay: .45s; }
.hero-actions { animation-delay: .6s; }
.hero-stats { animation-delay: .75s; }
.hero-visual { opacity: 0; animation: hero-scale-in 1s var(--ease) forwards; animation-delay: .4s; }

@keyframes hero-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hero-scale-in { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* Counter pulse on complete */
@keyframes pulse-once {
  0% { text-shadow: 0 0 0 rgba(149,191,71,0); }
  50% { text-shadow: 0 0 18px rgba(149,191,71,0.55); }
  100% { text-shadow: 0 0 0 rgba(149,191,71,0); }
}
.stat-num.counted { animation: pulse-once .6s ease; }

/* Card lift micro-shine sweep */
.card { isolation: isolate; }
.card .shine {
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.05) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform .8s var(--ease);
  pointer-events: none;
  border-radius: inherit;
}
.card:hover .shine { transform: translateX(120%); }

/* Fade-up utility for JS-driven stagger */
.fade-up { opacity: 0; transform: translateY(24px); }
.fade-up.in { opacity: 1; transform: translateY(0); transition: opacity .7s var(--ease), transform .7s var(--ease); }