/* ============================================================
   U3S ENGITECH — ANIMATIONS STYLESHEET
   Keyframes, scroll-reveal, motion utilities
   ============================================================ */

/* ---------- KEYFRAMES ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ---------- HERO ENTRANCE ---------- */
.hero .hero-badge   { animation: fadeInUp 0.7s ease 0.05s both; }
.hero .hero-h1      { animation: fadeInUp 0.7s ease 0.2s both; }
.hero .hero-sub     { animation: fadeInUp 0.7s ease 0.4s both; }
.hero .hero-buttons { animation: fadeInUp 0.7s ease 0.6s both; }
.hero .scroll-indicator { animation: fadeIn 1s ease 1s both; }

.page-hero .breadcrumb { animation: fadeInLeft 0.5s ease 0s both; }
.page-hero .page-hero-h1 { animation: fadeInUp 0.6s ease 0.15s both; }
.page-hero .page-hero-sub { animation: fadeInUp 0.6s ease 0.3s both; }
.page-hero .page-hero-pill { animation: fadeInUp 0.6s ease 0.45s both; }

/* ---------- SCROLL-REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.reveal-stagger > * { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-stagger.revealed > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0ms; }
.reveal-stagger.revealed > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 100ms; }
.reveal-stagger.revealed > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 200ms; }
.reveal-stagger.revealed > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 300ms; }
.reveal-stagger.revealed > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 400ms; }
.reveal-stagger.revealed > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 500ms; }
.reveal-stagger.revealed > *:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 600ms; }
.reveal-stagger.revealed > *:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 700ms; }

/* Timeline reveal */
.timeline-item.left .timeline-content,
.timeline-item.left .timeline-marker,
.timeline-item.right .timeline-content,
.timeline-item.right .timeline-marker {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item.left .timeline-content { transform: translateX(-50px); }
.timeline-item.right .timeline-content { transform: translateX(50px); }
.timeline-item .timeline-marker { transform: scale(0); }

.timeline-item.revealed .timeline-content { opacity: 1; transform: translateX(0); }
.timeline-item.revealed .timeline-marker { opacity: 1; transform: scale(1); transition-delay: 0.2s; }

/* ---------- COUNTER ---------- */
.counter { display: inline-block; }

/* ---------- MOTION-REDUCED ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   ANIMATIONS v2 — Additional motion effects
   ============================================================ */

/* --- FLOATING PULSE on CTA buttons --- */
@keyframes pulseCta {
  0%,100% { box-shadow: 0 0 0 0 rgba(232,119,34,0.35); }
  50%      { box-shadow: 0 0 0 10px rgba(232,119,34,0); }
}
.btn-accent { animation: pulseCta 2.5s ease infinite; }
.btn-accent:hover { animation: none; }

/* --- CARD LIFT on hover --- */
.card, .product-card, .industry-card, .project-card, .partner-logo-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover, .product-card:hover, .industry-card:hover,
.project-card:hover, .partner-logo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(11,59,96,0.13);
}

/* --- SHIMMER on section titles --- */
@keyframes shimmerText {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.section-title.shimmer {
  background: linear-gradient(90deg, #0B3B60 40%, #5BB4E5 50%, #0B3B60 60%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 3s linear infinite;
}

/* --- SLIDE-IN from left/right --- */
.slide-left  { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-right { opacity: 0; transform: translateX( 40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-left.visible, .slide-right.visible { opacity: 1; transform: translateX(0); }

/* --- FADE UP with stagger --- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* --- COUNTER number pop --- */
@keyframes popIn {
  0%   { transform: scale(0.7); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}
.stat-number.pop { animation: popIn 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards; }

/* --- MARQUEE (client logos) --- */
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-track { display: flex; animation: marqueeScroll 28s linear infinite; }
.marquee-track:hover { animation-play-state: paused; }

/* --- HERO ENTRANCE --- */
@keyframes heroSlideUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-content > * { animation: heroSlideUp 0.7s ease both; }
.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.25s; }
.hero-content > *:nth-child(3) { animation-delay: 0.4s; }
.hero-content > *:nth-child(4) { animation-delay: 0.55s; }

/* --- PILLAR TILE hover bar --- */
.pillar-tile { position: relative; overflow: hidden; }
.pillar-tile::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  width: 0;
  background: #E87722;
  transition: width 0.35s ease;
}
.pillar-tile:hover::before { width: 100%; }

/* --- FLOATING BADGE (e.g., Parker HTC badge) --- */
@keyframes floatBadge {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}
.float-badge { animation: floatBadge 3s ease-in-out infinite; }

/* --- BLOG CARD APPEAR --- */
.blog-card { opacity: 0; transform: translateY(20px); transition: opacity 0.4s ease, transform 0.4s ease; }
.blog-card.visible { opacity: 1; transform: translateY(0); }

/* --- SCROLL PROGRESS BAR --- */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(to right, #E87722, #F5A623);
  width: 0%; z-index: 9999; transition: width 0.1s linear;
}

/* --- IMAGE ZOOM on gallery cards --- */
.gallery-card img, .gallery-card .gallery-img-ph {
  transition: transform 0.4s ease;
}
.gallery-card:hover img, .gallery-card:hover .gallery-img-ph {
  transform: scale(1.06);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}