/* ============================================================
   NATIONAL PLASTO — ANIMATIONS
   ============================================================ */

/* ─── KEYFRAMES ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideUpReveal {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.08); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes borderGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200,16,46,0); }
  50% { box-shadow: 0 0 0 4px rgba(200,16,46,0.15); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lineGrow {
  from { transform: scaleY(0); transform-origin: top; }
  to { transform: scaleY(1); transform-origin: top; }
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200,16,46,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(200,16,46,0); }
}

/* ─── HERO ENTRANCE SEQUENCE ─── */
.hero-meta {
  opacity: 0;
  animation: fadeUp 0.7s 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-sub {
  opacity: 0;
  animation: fadeUp 0.7s 1.05s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-actions {
  opacity: 0;
  animation: fadeUp 0.7s 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-scroll-indicator {
  opacity: 0;
  animation: fadeUp 0.7s 1.5s ease forwards;
}

.hero-badge {
  opacity: 0;
  animation: fadeLeft 0.7s 1.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ─── HERO PARALLAX ─── */
.hero-glow {
  animation: pulse 6s ease-in-out infinite;
}

/* ─── TIMELINE ANIMATIONS ─── */
.timeline-line {
  animation: lineGrow 1.5s 0.5s ease forwards;
  transform: scaleY(0);
  transform-origin: top;
}

.timeline-event::before {
  animation: dotPulse 2s ease-in-out infinite;
}

/* ─── COLLECTION PORTAL ANIMATIONS ─── */
.collection-portal {
  position: relative;
}

.collection-portal::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brand-crimson);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.collection-portal:hover::before { transform: scaleX(1); }

/* ─── STAT COUNTER ANIMATION ─── */
.counter {
  display: inline-block;
  animation: countUp 0.5s ease forwards;
}

/* ─── SHIMMER LOADING ─── */
.shimmer {
  background: linear-gradient(90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.05) 50%,
    rgba(255,255,255,0) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

/* ─── MAGNETIC BUTTON STYLE ─── */
.magnetic {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── PAGE TRANSITION ─── */
.page-transition-enter {
  opacity: 0;
  transform: translateY(20px);
}
.page-transition-enter-active {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── CATEGORY CARD REVEAL ─── */
.category-card {
  animation-fill-mode: both;
}

/* ─── HORIZONTAL SCROLL HINT ─── */
@keyframes scrollHint {
  0% { transform: translateX(0); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateX(40px); opacity: 0; }
}

/* ─── FLOATING BADGE ANIMATION ─── */
@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-badge {
  animation: floatUpDown 4s ease-in-out infinite 1.8s, fadeLeft 0.7s 1.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ─── BOOK HOVER EFFECT ─── */
.catalogue-book {
  animation: floatUpDown 5s ease-in-out infinite;
}

/* ─── ICON HOVER ANIMATIONS ─── */
.value-icon svg,
.mfg-icon svg,
.b2b-icon svg,
.industry-item svg {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.value-card:hover .value-icon svg { transform: scale(1.15) rotate(-5deg); }
.mfg-feature:hover .mfg-icon svg { transform: scale(1.15); }
.b2b-card:hover .b2b-icon svg { transform: scale(1.15) rotate(5deg); }
.industry-item:hover svg { transform: scale(1.2); }

/* ─── SCROLL LINE ANIMATION ─── */
.scroll-line {
  animation: scrollPulse 2.5s ease-in-out infinite;
  transform-origin: top;
}

/* ─── TEXT UNDERLINE WIPE ─── */
.link-underline {
  position: relative;
  display: inline-block;
}
.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ─── FOCUS VISIBLE ─── */
:focus-visible {
  outline: 2px solid var(--brand-crimson);
  outline-offset: 4px;
}

/* ─── SELECTION ─── */
::selection {
  background: rgba(200,16,46,0.15);
  color: var(--brand-crimson-deep);
}