/* IKONU - centralized motion utilities */

[data-ikn-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
  transition-delay: var(--ikn-reveal-delay, 0ms);
}

[data-ikn-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.ikn-motion-off [data-ikn-reveal] {
  opacity: 1;
  transform: none;
}

/* Process pipeline - GitHub / infra UI */
.process-pipeline-wrap {
  padding: var(--s-2) 0 var(--s-4);
}

.process-pipeline-wrap[data-ikn-pipeline-wrap] {
  min-height: calc(100vh + (var(--pipeline-steps, 4) - 1) * 34vh);
}

.process-pipeline-wrap__inner {
  position: sticky;
  top: max(calc(var(--header-h, 72px) + var(--s-4)), 14vh);
  padding-bottom: var(--s-4);
}

.process-pipeline {
  position: relative;
  border: 1px solid var(--ikn-steel);
  border-radius: var(--r-lg);
  background: var(--ikn-graphite);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.process-pipeline__chrome {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--ikn-steel);
  background: var(--ikn-carbon);
  font-family: var(--ikn-font-mono);
  font-size: 12px;
  color: var(--ikn-ash);
}

.process-pipeline__dots {
  display: inline-flex;
  gap: 6px;
}

.process-pipeline__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ikn-steel);
}

.process-pipeline__dots span:first-child {
  background: var(--ikn-signal);
}

.process-pipeline__path {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ikn-silver);
}

.process-pipeline__meta {
  flex-shrink: 0;
  padding: 4px 10px;
  border: 1px solid var(--ikn-steel);
  border-radius: 999px;
  color: var(--ikn-signal-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10px;
}

.process-pipeline__body {
  position: relative;
  padding: var(--s-6);
}

.process-pipeline__grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
  pointer-events: none;
}

.process-pipeline__track {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(var(--pipeline-steps, 4), minmax(0, 1fr));
  gap: var(--s-4);
}

.process-pipeline__step {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  opacity: 0.42;
  transform: translateY(12px);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
  transition-delay: calc(var(--step-index, 0) * 60ms);
}

.process-pipeline__step.is-active,
.process-pipeline__step.is-past {
  opacity: 1;
  transform: none;
}

.process-pipeline__rail {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
}

.process-pipeline__rail::after {
  content: "";
  position: absolute;
  left: calc(44px + var(--s-2));
  right: calc(var(--s-2) * -1);
  top: 50%;
  height: 2px;
  background: var(--ikn-steel);
  transform: translateY(-50%);
  z-index: 0;
}

.process-pipeline__step:last-child .process-pipeline__rail::after {
  display: none;
}

.process-pipeline__step.is-past .process-pipeline__rail::after {
  background: linear-gradient(90deg, var(--ikn-signal), var(--ikn-steel));
}

.process-pipeline__node {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid var(--ikn-steel);
  background: var(--ikn-carbon);
  font-family: var(--ikn-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ikn-silver);
  transition:
    border-color var(--dur-base) var(--ease),
    background var(--dur-base) var(--ease),
    box-shadow var(--dur-base) var(--ease),
    color var(--dur-base) var(--ease);
}

.process-pipeline__step.is-active .process-pipeline__node {
  border-color: var(--ikn-signal);
  color: var(--ikn-ivory);
  box-shadow: 0 0 0 6px var(--ikn-signal-wash), var(--shadow-glow);
}

.process-pipeline__step.is-past .process-pipeline__node {
  border-color: var(--ikn-signal);
  background: var(--ikn-signal);
  color: var(--ikn-ivory);
}

.process-pipeline__card {
  padding: var(--s-5);
  background: rgba(10, 11, 14, 0.55);
  border: 1px solid var(--ikn-steel);
  border-radius: var(--r-md);
  backdrop-filter: blur(6px);
  min-height: 100%;
  transition: border-color var(--dur-base) var(--ease);
}

.process-pipeline__step.is-active .process-pipeline__card {
  border-color: var(--ikn-signal-line);
}

.process-pipeline__slug {
  display: block;
  margin-bottom: var(--s-3);
  font-family: var(--ikn-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ikn-signal);
  text-transform: lowercase;
}

.process-pipeline__title {
  font-family: var(--ikn-font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--s-2);
  color: var(--ikn-ivory);
}

.process-pipeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ikn-silver);
}

@media (max-width: 1024px) {
  .process-pipeline__track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-pipeline__step:nth-child(2n) .process-pipeline__rail::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .process-pipeline-wrap[data-ikn-pipeline-wrap] {
    min-height: calc(100vh + (var(--pipeline-steps, 4) - 1) * 42vh);
  }

  .process-pipeline-wrap__inner {
    top: max(calc(var(--header-h, 72px) + var(--s-2)), 10vh);
  }

  .process-pipeline__body {
    padding: var(--s-5);
  }

  .process-pipeline__track {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }

  .process-pipeline__rail {
    min-height: auto;
  }

  .process-pipeline__rail::after {
    left: 21px;
    right: auto;
    top: 44px;
    bottom: calc(var(--s-5) * -1);
    width: 2px;
    height: auto;
    transform: none;
  }

  .process-pipeline__step:last-child .process-pipeline__rail::after {
    display: none;
  }

  .process-pipeline__step:nth-child(2n) .process-pipeline__rail::after {
    display: block;
  }
}

@media (max-width: 480px) {
  .process-pipeline__chrome {
    flex-wrap: wrap;
    gap: var(--s-2);
  }

  .process-pipeline__meta {
    width: 100%;
    text-align: center;
  }
}

/* KPI count animation polish */
.kpi-value__num {
  display: inline-block;
  min-width: 2ch;
  font-variant-numeric: tabular-nums;
}

.kpi.is-revealed {
  animation: ikn-kpi-glow 600ms var(--ease) both;
  animation-delay: var(--ikn-reveal-delay, 0ms);
}

@keyframes ikn-kpi-glow {
  from {
    box-shadow: 0 0 0 rgba(239, 26, 45, 0);
  }
  to {
    box-shadow: 0 0 0 1px var(--ikn-signal-line);
  }
}

.ikn-motion-off .kpi.is-revealed {
  animation: none;
}