/* ============================================
   Scroll-triggered reveals
   - Default: lift + blur clear
   - Variants: scale, left, right, clip
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo),
    filter 0.7s var(--ease-out-expo);
  will-change: opacity, transform, filter;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Scale-in variant (good for cards/metrics) */
.reveal-scale {
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition:
    opacity 0.6s var(--ease-out-quint),
    transform 0.6s var(--ease-spring);
}

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

/* Slide from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
}

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

/* Slide from right */
.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition:
    opacity 0.7s var(--ease-out-expo),
    transform 0.7s var(--ease-out-expo);
}

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

/* Clip-path wipe up */
.reveal-clip {
  opacity: 1;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.8s var(--ease-out-expo);
}

.reveal-clip.visible {
  clip-path: inset(0 0 0 0);
}

/* Delay utilities */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ============================================
   Stagger — children carry .reveal + .visible
   Delay is driven by --i (set via nth-child)
   ============================================ */

.stagger > * {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  filter: blur(4px);
  transition:
    opacity 0.6s var(--ease-out-quint),
    transform 0.6s var(--ease-out-quint),
    filter 0.6s var(--ease-out-quint);
  transition-delay: calc(var(--i, 0) * 0.07s);
}

.stagger > .visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.stagger > *:nth-child(1) { --i: 0; }
.stagger > *:nth-child(2) { --i: 1; }
.stagger > *:nth-child(3) { --i: 2; }
.stagger > *:nth-child(4) { --i: 3; }
.stagger > *:nth-child(5) { --i: 4; }
.stagger > *:nth-child(6) { --i: 5; }
.stagger > *:nth-child(7) { --i: 6; }
.stagger > *:nth-child(8) { --i: 7; }

/* ============================================
   Hero entrance (plays on load)
   ============================================ */

.hero-text > * {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-in 0.8s var(--ease-out-expo) forwards;
}

.hero-text > *:nth-child(1) { animation-delay: 0.05s; }
.hero-text > *:nth-child(2) { animation-delay: 0.18s; }
.hero-text > *:nth-child(3) { animation-delay: 0.32s; }
.hero-text > *:nth-child(4) { animation-delay: 0.42s; }

@keyframes hero-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-visual-wrap {
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  animation: hero-visual-in 1s var(--ease-out-expo) 0.25s forwards;
}

@keyframes hero-visual-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ============================================
   Gradient text shine
   ============================================ */

.gradient-text-anim {
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: text-shine 6s linear infinite;
}

@keyframes text-shine {
  to { background-position: 200% center; }
}

/* ============================================
   Pulse dot (status indicators)
   ============================================ */

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-green);
  display: inline-block;
  position: relative;
  box-shadow: 0 0 8px var(--neon-green);
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--neon-green);
  opacity: 0.4;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* ============================================
   Donut segment draw-in (one-shot, won't delay hover)
   ============================================ */

.donut-segment {
  stroke-dasharray: var(--len) 9999;
  stroke-dashoffset: var(--len);
  transition: stroke-width var(--transition-base), opacity var(--transition-fast);
}

.donut.is-drawn .donut-segment {
  animation: donut-draw 1s var(--ease-out-expo) forwards;
  animation-delay: calc(var(--i, 0) * 0.1s);
}

@keyframes donut-draw {
  to { stroke-dashoffset: 0; }
}

/* ============================================
   Reduced motion
   ============================================ */

@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-scale,
  .reveal-left,
  .reveal-right,
  .reveal-clip,
  .stagger > *,
  .hero-text > *,
  .hero-visual-wrap {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
  }

  .donut-segment {
    stroke-dashoffset: 0 !important;
  }

  body::before {
    animation: none !important;
  }
}