/* ============================================================
   TARA MINERALS & CHEMICALS PVT. LTD.
   animations.css — @keyframes, reveal classes, animated helpers
   ============================================================ */

/* ============================================================
   1. SCROLL REVEAL — base hidden state
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Left / Right variants */
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale variant */
.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays — data-delay="1" … "6" — more spread out */
.reveal[data-delay="1"],
.reveal-left[data-delay="1"],
.reveal-right[data-delay="1"],
.reveal-scale[data-delay="1"] { transition-delay: 0.15s; }

.reveal[data-delay="2"],
.reveal-left[data-delay="2"],
.reveal-right[data-delay="2"],
.reveal-scale[data-delay="2"] { transition-delay: 0.3s; }

.reveal[data-delay="3"],
.reveal-left[data-delay="3"],
.reveal-right[data-delay="3"],
.reveal-scale[data-delay="3"] { transition-delay: 0.45s; }

.reveal[data-delay="4"],
.reveal-left[data-delay="4"],
.reveal-right[data-delay="4"],
.reveal-scale[data-delay="4"] { transition-delay: 0.6s; }

.reveal[data-delay="5"],
.reveal-left[data-delay="5"],
.reveal-right[data-delay="5"],
.reveal-scale[data-delay="5"] { transition-delay: 0.75s; }

.reveal[data-delay="6"],
.reveal-left[data-delay="6"],
.reveal-right[data-delay="6"],
.reveal-scale[data-delay="6"] { transition-delay: 0.9s; }

/* ============================================================
   2. MARQUEE / TICKER
   ============================================================ */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   3. HERO PARTICLE ORBS
   ============================================================ */
@keyframes float-orb {
  0%,  100% { transform: translateY(0)     scale(1);    }
  50%        { transform: translateY(-20px) scale(1.05); }
}

.particle-orb {
  position: absolute;
  border-radius: 50%;
  animation: float-orb var(--orb-duration, 8s) ease-in-out var(--orb-delay, 0s) infinite;
  pointer-events: none;
  will-change: transform;
}

/* ============================================================
   4. QUALITY BARS
   ============================================================ */
.quality-bar-fill {
  width: 0;
  transition: width 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* JS adds .animated and sets style.width = data-width value */
/* The script.js uses data-width attribute on .quality-bar-fill */

/* ============================================================
   5. PROCESS CONNECTOR DRAW
   ============================================================ */
.process-connector-fill {
  width: 0;
  transition: width 1.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
}

/* Fires when the .reveal wrapper gets .revealed added by IntersectionObserver */
.process-wrapper.revealed .process-connector-fill {
  width: 100%;
}

/* Also fires on connector-drawn fallback from process step JS */
.process-step.connector-drawn ~ .process-connector .process-connector-fill {
  width: 100%;
}

/* ============================================================
   6. HERO TITLE UNDERLINE
   ============================================================ */
@keyframes underline-draw {
  from { width: 0; }
  to   { width: 100%; }
}

/* ============================================================
   7. PULSING DOT (hero eyebrow indicator)
   ============================================================ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* ============================================================
   8. SPIN (loading / certifications)
   ============================================================ */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   9. FADE IN UP (generic utility)
   ============================================================ */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fade-in-up 0.6s ease forwards;
}

/* ============================================================
   10. INDUSTRY TILE HOVER
   (additional CSS layer — core handled in components.css)
   ============================================================ */
.industry-tile {
  transition:
    background 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.35s ease,
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

/* Enhanced hover lift for cards */
.about-card,
.product-card,
.article-card,
.process-step,
.quality-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}
.about-card:hover,
.product-card:hover,
.article-card:hover,
.quality-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 51, 102, 0.12);
}

/* Back-to-top styles defined in style.css — not duplicated here */

/* ============================================================
   11. SHIMMER LOADING SKELETON (utility)
   ============================================================ */
@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================================
   13. COUNTER NUMBER
   ============================================================ */
[data-count] {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   13b. MOBILE — snappier reveals (kills the laggy feel)
   ============================================================
   On phones, cards stack vertically and each one enters the viewport
   at its own scroll position, so the desktop stagger + 0.8s duration
   makes every second/third card feel like it's waiting around. We
   shorten duration, shrink the start offset, and zero out the stagger. */
@media (max-width: 768px) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    transition-duration: 0.45s !important;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1) !important;
    will-change: transform, opacity;
  }
  .reveal { transform: translateY(18px); }
  .reveal-left { transform: translateX(-18px); }
  .reveal-right { transform: translateX(18px); }
  .reveal-scale { transform: scale(0.96); }

  /* Kill stagger on mobile — cards scroll in individually, stagger just
     makes them feel delayed */
  .reveal[data-delay],
  .reveal-left[data-delay],
  .reveal-right[data-delay],
  .reveal-scale[data-delay] { transition-delay: 0s !important; }

  /* Drop will-change once revealed so we don't keep GPU layers around */
  .reveal.revealed,
  .reveal-left.revealed,
  .reveal-right.revealed,
  .reveal-scale.revealed { will-change: auto; }
}

/* ============================================================
   14. REDUCED MOTION — respect system preference
   ============================================================ */
@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 {
    opacity: 1;
    transform: none;
  }

  .marquee-track {
    animation: none;
  }

  .particle-orb {
    animation: none;
  }
}