/* ==========================================================
   Silakab — Animations
   Phase 8: Immersive effects layer
   ========================================================== */

/* ── Scroll-triggered fade-up ── */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-reveal) var(--ease-smooth),
    transform var(--duration-reveal) var(--ease-smooth);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-group > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group > .reveal:nth-child(2) { transition-delay: 100ms; }
.reveal-group > .reveal:nth-child(3) { transition-delay: 200ms; }
.reveal-group > .reveal:nth-child(4) { transition-delay: 300ms; }
.reveal-group > .reveal:nth-child(5) { transition-delay: 400ms; }
.reveal-group > .reveal:nth-child(6) { transition-delay: 500ms; }
.reveal-group > .reveal:nth-child(7) { transition-delay: 600ms; }
.reveal-group > .reveal:nth-child(8) { transition-delay: 700ms; }

/* ── Fade-up from left / right variants ── */

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity var(--duration-reveal) var(--ease-smooth),
    transform var(--duration-reveal) var(--ease-smooth);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity var(--duration-reveal) var(--ease-smooth),
    transform var(--duration-reveal) var(--ease-smooth);
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Scale-up reveal ── */

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity var(--duration-reveal) var(--ease-smooth),
    transform var(--duration-reveal) var(--ease-smooth);
}

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

/* ── Glow pulse ── */

@keyframes glow-pulse {
  0%, 100% { opacity: 0.25; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(1.08); }
}

.glow-pulse {
  animation: glow-pulse 5s ease-in-out infinite;
}

/* Staggered glow for multiple orbs */
.glow-pulse:nth-child(2) { animation-delay: -2.5s; }
.glow-pulse:nth-child(3) { animation-delay: -1.2s; }

/* ── Icon glow on hover ── */

@keyframes icon-glow {
  0%, 100% { filter: drop-shadow(0 0 0px transparent); }
  50%      { filter: drop-shadow(0 0 8px rgba(0, 165, 235, 0.5)); }
}

.icon-glow {
  transition: filter var(--duration-fast) var(--ease-smooth);
}

.icon-glow:hover,
.card:hover .icon-glow,
.industry-card:hover .icon-glow {
  filter: drop-shadow(0 0 10px rgba(0, 165, 235, 0.4));
}

/* ── Gradient shift (animated background) ── */

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-shift {
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

/* Slow ambient gradient for section backgrounds */
@keyframes gradient-ambient {
  0%   { background-position: 0% 0%; }
  25%  { background-position: 100% 0%; }
  50%  { background-position: 100% 100%; }
  75%  { background-position: 0% 100%; }
  100% { background-position: 0% 0%; }
}

.gradient-ambient {
  background-size: 300% 300%;
  animation: gradient-ambient 15s ease infinite;
}

/* ── Hover lift (for cards) ── */

.hover-lift {
  transition:
    transform var(--duration-fast) var(--ease-smooth),
    box-shadow var(--duration-fast) var(--ease-smooth);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Dark card hover lift with glow */
.hover-lift-glow {
  transition:
    transform var(--duration-fast) var(--ease-smooth),
    box-shadow var(--duration-fast) var(--ease-smooth),
    border-color var(--duration-fast) var(--ease-smooth);
}

.hover-lift-glow:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(0, 165, 235, 0.1), 0 10px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 165, 235, 0.3);
}

/* ── Button hover glow ── */

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-smooth);
  box-shadow: inset 0 0 20px rgba(0, 165, 235, 0.3), 0 0 20px rgba(0, 165, 235, 0.2);
  pointer-events: none;
}

.btn-glow:hover::after {
  opacity: 1;
}

/* ── Line draw ── */

@keyframes line-draw {
  from { width: 0; }
  to   { width: 100%; }
}

.line-draw {
  width: 0;
  transition: width 1.2s var(--ease-smooth);
}

.line-draw.is-visible {
  width: 100%;
}

/* ── Gradient line divider with draw animation ── */

.divider-animated {
  height: 1px;
  border: none;
  background: var(--gradient-line);
  margin-block: var(--space-4xl);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1.2s var(--ease-smooth);
}

.divider-animated.is-visible {
  transform: scaleX(1);
}

/* ── Fade in ── */

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-in {
  animation: fade-in 0.6s var(--ease-smooth) both;
}

/* ── Float (subtle hover for orbs) ── */

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-15px); }
}

.float {
  animation: float 6s ease-in-out infinite;
}

.float:nth-child(2) { animation-delay: -2s; }
.float:nth-child(3) { animation-delay: -4s; }

/* ── Counter roll animation helper ── */

.counter-animate {
  display: inline-block;
  transition: all 0.8s var(--ease-smooth);
}

/* ── Spin (for loading states) ── */

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 1s linear infinite;
}

/* ── Nav link underline animation ── */

.nav-underline {
  position: relative;
}

.nav-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--duration-fast) var(--ease-smooth);
}

.nav-underline:hover::after,
.nav-underline.active::after {
  width: 100%;
}

/* ── Card link arrow slide ── */

.arrow-slide svg {
  transition: transform var(--duration-fast) var(--ease-smooth);
}

.arrow-slide:hover svg {
  transform: translateX(4px);
}

/* ── Shimmer effect (subtle light sweep on cards) ── */

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.shimmer-on-hover {
  position: relative;
  overflow: hidden;
}

.shimmer-on-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 165, 235, 0.04),
    transparent
  );
  transform: translateX(-100%);
  pointer-events: none;
  z-index: 1;
}

.shimmer-on-hover:hover::before {
  animation: shimmer 0.8s var(--ease-smooth);
}

/* ── Stat number glow (for counter-animated values) ── */

.stat-glow {
  text-shadow: 0 0 20px rgba(0, 165, 235, 0.3);
}

/* ── Staggered list reveal ── */

.stagger-list > *:nth-child(1) { transition-delay: 0ms; }
.stagger-list > *:nth-child(2) { transition-delay: 80ms; }
.stagger-list > *:nth-child(3) { transition-delay: 160ms; }
.stagger-list > *:nth-child(4) { transition-delay: 240ms; }
.stagger-list > *:nth-child(5) { transition-delay: 320ms; }
.stagger-list > *:nth-child(6) { transition-delay: 400ms; }
.stagger-list > *:nth-child(7) { transition-delay: 480ms; }
.stagger-list > *:nth-child(8) { transition-delay: 560ms; }

/* ── Reduced motion override ── */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .glow-pulse,
  .gradient-shift,
  .gradient-ambient,
  .float {
    animation: none;
  }

  .line-draw,
  .divider-animated {
    width: 100%;
    transform: scaleX(1);
    transition: none;
  }

  .hover-lift:hover,
  .hover-lift-glow:hover {
    transform: none;
  }

  .shimmer-on-hover::before {
    display: none;
  }

  .icon-glow:hover,
  .card:hover .icon-glow,
  .industry-card:hover .icon-glow {
    filter: none;
  }
}