/* Competency engine — isometric hero on Competency & Cycles */

.page-hero--competency-engine {
  padding-bottom: 2.75rem;
}

.page-hero__inner--engine {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(13.5rem, 18rem);
  column-gap: 1.75rem;
  row-gap: 1.35rem;
  align-items: center;
}

.page-hero--competency-engine .page-hero__copy {
  grid-column: 1;
  grid-row: 1;
  max-width: none;
}

.page-hero__media--engine {
  grid-column: 1 / -1;
  grid-row: 2;
  min-width: 0;
}

.engine {
  --engine-accent: #f59e0b;
  position: relative;
  border-radius: 22px;
  background:
    radial-gradient(90% 55% at 50% 0%, rgba(245, 158, 11, 0.1), transparent 52%),
    linear-gradient(180deg, rgba(22, 30, 44, 0.96), rgba(10, 14, 20, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 28px 70px rgba(0, 0, 0, 0.38);
  overflow: hidden;
}

.engine__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 1rem 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93a0b5;
}

.engine__status,
.engine__outputs {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.engine__status {
  color: #d7deea;
}

.engine__status-dot,
.engine-node__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: engine-pulse 1.8s ease-out infinite;
}

.engine__device {
  color: #e8edf5;
  font-weight: 500;
  text-align: center;
  line-height: 1.35;
  max-width: min(100%, 26rem);
}

.engine__outputs {
  color: var(--engine-accent);
}

.engine__viewport {
  perspective: 1800px;
}

.engine__scene {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
  will-change: transform;
}

.engine__svg {
  display: block;
  width: 100%;
  height: auto;
}

.engine-floor {
  fill: rgba(0, 0, 0, 0.38);
  filter: blur(8px);
}

.engine-board__top {
  stroke: rgba(226, 232, 240, 0.16);
  stroke-width: 1.25;
}

.engine-board__side {
  stroke: rgba(0, 0, 0, 0.35);
  stroke-width: 1;
}

.engine-board__side--right {
  opacity: 0.78;
}

.engine-grid {
  fill: none;
  stroke: rgba(148, 163, 184, 0.09);
  stroke-width: 1;
}

.engine-hole {
  fill: #070b10;
  stroke: rgba(148, 163, 184, 0.28);
  stroke-width: 1.5;
}

.engine-trace,
.engine-packet {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity 0.35s ease, stroke-width 0.35s ease;
}

.engine-trace {
  stroke-width: 2.25;
  opacity: 0.55;
}

.engine-trace--primary {
  stroke-width: 3.35;
}

.engine-trace--addon {
  stroke-width: 2;
  opacity: 0.8;
}

.engine-packet--addon {
  stroke-width: 2.6;
  opacity: 0.72;
}

.engine-trace.is-on {
  opacity: 1;
  filter: drop-shadow(0 0 5px currentColor);
}

.engine-packet {
  stroke-width: 3.4;
  stroke-dasharray: 7 93;
  opacity: 0.62;
  animation: engine-packet 3.2s linear infinite;
}

.engine-packet.is-on {
  opacity: 1;
  stroke-width: 4.2;
}

.engine-gate {
  opacity: 0.45;
  transition: opacity 0.35s ease;
}

.engine-gate.is-on {
  opacity: 1;
}

.engine-gate text {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-anchor: middle;
}

.engine-pill {
  pointer-events: none;
}

.engine-pill rect {
  stroke-width: 1.25;
}

.engine-pill text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-anchor: middle;
}

.engine-dock {
  opacity: 0;
}

.engine.is-live .engine-dock {
  opacity: 1;
  transition: opacity 0.35s ease 0.85s;
}

.engine-packet--board {
  display: none;
}

.engine-addons {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.engine-addon {
  --ax: -50%;
  --ay: calc(-100% - 10px);
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: max-content;
  max-width: 11.6rem;
  margin: 0;
  padding: 0.42rem 0.62rem 0.42rem 0.5rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--addon) 58%, transparent);
  background:
    linear-gradient(165deg, rgba(22, 28, 40, 0.94), rgba(8, 12, 18, 0.9));
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 0 22px color-mix(in srgb, var(--addon) 22%, transparent);
  color: #f4f7fb;
  text-decoration: none;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transform: translate(var(--ax), var(--ay)) translateY(8px) scale(0.94);
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0s linear 0.28s,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.engine-addon--bottom {
  --ax: -50%;
  --ay: 10px;
}

.engine-addon--left {
  --ax: calc(-100% - 10px);
  --ay: -50%;
}

.engine-addon--right {
  --ax: 10px;
  --ay: -50%;
}

.engine.is-live .engine-addon {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translate(var(--ax), var(--ay));
  transition:
    opacity 0.5s ease,
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
  transition-delay: calc(0.48s + var(--in, 0) * 0.07s), calc(0.48s + var(--in, 0) * 0.07s), 0s, 0s, 0s;
}

.engine-addon::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--addon);
  box-shadow: 0 0 12px var(--addon);
}

.engine-addon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 32%,
    color-mix(in srgb, var(--addon) 42%, transparent) 50%,
    transparent 68%
  );
  transform: translateX(-130%);
  pointer-events: none;
}

.engine.is-live .engine-addon::after {
  animation: engine-addon-sheen 4.6s ease-in-out infinite;
  animation-delay: calc(1.1s + var(--in, 0) * 0.35s);
}

.engine-addon:hover,
.engine-addon:focus-visible {
  border-color: color-mix(in srgb, var(--addon) 85%, white 8%);
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.38),
    0 0 0 1px color-mix(in srgb, var(--addon) 40%, transparent),
    0 0 28px color-mix(in srgb, var(--addon) 38%, transparent);
}

.engine-addon:focus-visible {
  outline: 2px solid var(--addon);
  outline-offset: 3px;
}

.engine-addon__mark {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--addon);
  box-shadow: 0 0 10px var(--addon);
}

.engine.is-live .engine-addon__mark {
  animation: engine-addon-pulse 2.4s ease-out infinite;
  animation-delay: calc(var(--in, 0) * 0.18s);
}

.engine-addon__copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.engine-addon__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--addon);
}

.engine-addon__name {
  display: block;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: #f7f9fc;
  white-space: nowrap;
}

.engine-addon__arrow {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 0.85rem;
  height: 0.85rem;
  margin-left: 0.15rem;
  background: var(--addon);
  clip-path: polygon(28% 16%, 62% 50%, 28% 84%, 40% 84%, 76% 50%, 40% 16%);
  transition: transform 0.25s ease;
}

.engine-addon:hover .engine-addon__arrow,
.engine-addon:focus-visible .engine-addon__arrow {
  transform: translateX(3px);
}

.engine-trace--addon.is-hot,
.engine-packet--addon.is-hot,
.engine-leader:has(.is-hot) .engine-dock {
  opacity: 1;
  filter: drop-shadow(0 0 6px currentColor);
}

.engine-dock.is-hot {
  filter: drop-shadow(0 0 6px currentColor);
}

.engine-addon-rail {
  display: none;
}

.engine-addon-rail__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.62rem 0.75rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--addon) 45%, transparent);
  background: rgba(8, 12, 18, 0.55);
  color: #f4f7fb;
  font-size: 0.84rem;
  font-weight: 650;
  text-decoration: none;
}

.engine-addon-rail__link::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--addon);
  box-shadow: 0 0 8px var(--addon);
  flex: 0 0 auto;
}

.engine-addon-rail__link::after {
  content: "→";
  margin-left: auto;
  color: var(--addon);
}

.engine-pin {
  fill: #c5d0de;
  stroke: rgba(15, 23, 36, 0.45);
  stroke-width: 0.6;
}

.engine-chip__side {
  stroke: rgba(0, 0, 0, 0.35);
  stroke-width: 1;
}

.engine-chip__side--right {
  filter: brightness(0.78);
}

.engine-chip__top {
  stroke: rgba(232, 238, 246, 0.28);
  stroke-width: 1.25;
}

.engine-die {
  stroke: rgba(226, 232, 240, 0.16);
  stroke-width: 1.15;
}

.engine-brand {
  pointer-events: none;
}

.engine-brand__by {
  fill: #c5ccd6;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.engine-brand__name {
  fill: #f7f8fa;
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.engine-node {
  --tx: -50%;
  --ty: -50%;
  position: absolute;
  z-index: 3;
  width: 11.1rem;
  margin: 0;
  padding: 0.48rem 0.62rem 0.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 22, 0.88);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  color: #e6e9ef;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transform: translate(var(--tx), var(--ty));
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  backdrop-filter: blur(10px);
}

.engine-node--left { --tx: calc(-100% - 12px); --ty: -50%; }
.engine-node--right { --tx: 12px; --ty: -50%; }
.engine-node--top { --tx: -50%; --ty: calc(-100% - 12px); }
.engine-node--bottom { --tx: -50%; --ty: 12px; }

.engine-node--primary {
  width: 12rem;
}

.engine-node.is-on {
  z-index: 4;
  border-color: color-mix(in srgb, var(--node) 70%, white 10%);
  background: rgba(12, 17, 26, 0.94);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.38),
    0 0 0 1px color-mix(in srgb, var(--node) 45%, transparent),
    0 0 24px color-mix(in srgb, var(--node) 22%, transparent);
}

.engine-node:hover {
  border-color: color-mix(in srgb, var(--node) 55%, white 8%);
}

.engine-node:focus-visible,
.engine-list__item:focus-visible,
.engine-toggle:focus-visible {
  outline: 2px solid var(--engine-accent);
  outline-offset: 3px;
}

.engine-node__top,
.engine-list__label,
.engine-node__feeds,
.engine-list__feeds {
  display: block;
}

.engine-node__top {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.engine-node__index,
.engine-list__index,
.engine-list__rule {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--node, #93c5fd);
}

.engine-node__label,
.engine-list__label {
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #f4f7fb;
}

.engine-node__feeds,
.engine-list__feeds {
  margin-top: 0.12rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: #b7c2d2;
}

.engine-node__live,
.engine-list__live {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.32rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  color: #d5deea;
}

.engine-node--left::after,
.engine-node--right::after,
.engine-node--top::after,
.engine-node--bottom::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--node);
  box-shadow: 0 0 10px var(--node);
}

.engine-node--left::after { right: -15px; top: 50%; transform: translateY(-50%); }
.engine-node--right::after { left: -15px; top: 50%; transform: translateY(-50%); }
.engine-node--top::after { bottom: -15px; left: 50%; transform: translateX(-50%); }
.engine-node--bottom::after { top: -15px; left: 50%; transform: translateX(-50%); }

.engine-list {
  display: none;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 0 0.75rem 0.85rem;
}

.engine-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "index copy"
    "index meta";
  gap: 0.1rem 0.7rem;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 12, 18, 0.55);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.engine-list__item.is-on {
  border-color: color-mix(in srgb, var(--node) 65%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--node) 30%, transparent);
}

.engine-list__index {
  grid-area: index;
  align-self: center;
}

.engine-list__copy { grid-area: copy; }
.engine-list__meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.8rem;
  align-items: center;
  margin-top: 0.2rem;
}

.engine-list__rule {
  padding: 0.08rem 0.4rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--node) 45%, transparent);
}

.engine-bezel {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(5, 8, 12, 0.45);
}

.engine-readout {
  padding: 0.85rem 1rem 0.7rem;
}

.engine-readout__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 1.25rem;
}

.engine-readout__item {
  margin: 0;
  min-width: 0;
}

.engine-readout__kicker {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8b97a8;
}

.engine-readout__item strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 550;
  line-height: 1.35;
  color: #f3f6fb;
}

.engine-bezel__foot {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.55rem 0.6rem 0.7rem;
}

.engine-toggle {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #d5deea;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.engine-toggle:hover {
  border-color: rgba(245, 158, 11, 0.55);
  color: #fff;
}

.engine-toggle[aria-pressed="true"] {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.5);
  color: #fcd34d;
}

.engine-ticker {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10px, #000 calc(100% - 16px), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10px, #000 calc(100% - 16px), transparent);
}

.engine-ticker__track {
  display: flex;
  gap: 1.6rem;
  width: max-content;
  animation: engine-ticker 48s linear infinite;
}

.engine-ticker__item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: #9aa8ba;
  white-space: nowrap;
}

.engine-ticker__item::before {
  content: "";
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--engine-accent);
  vertical-align: 0.05em;
}

.engine.is-paused .engine-packet,
.engine.is-paused .engine-ticker__track,
.engine.is-paused .engine__status-dot,
.engine.is-paused .engine-node__dot,
.engine.is-paused .engine-addon::after,
.engine.is-paused .engine-addon__mark {
  animation-play-state: paused;
}

@keyframes engine-packet {
  to { stroke-dashoffset: -100; }
}

@keyframes engine-pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

@keyframes engine-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 1040px) {
  .engine-node--board,
  .engine-addons,
  .engine-leader,
  .engine-packet--span {
    display: none;
  }

  .engine-packet--board {
    display: inline;
  }

  .engine-list {
    display: grid;
  }

  .engine.is-live .engine-addon-rail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding: 0 0.75rem 0.85rem;
  }

  .engine__outputs {
    display: none;
  }
}

@media (max-width: 720px) {
  .engine__bar {
    padding-inline: 0.8rem;
  }

  .engine__device {
    font-size: 0.62rem;
  }

  .engine-readout__grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .engine-bezel__foot {
    flex-direction: column;
    align-items: stretch;
  }

  .engine-gate {
    display: none;
  }
}

/* Empty socket, drag-to-seat, then the branches come online */

.engine__viewport {
  position: relative;
}

.engine-surge {
  position: absolute;
  left: 50%;
  top: 46%;
  z-index: 2;
  width: 22rem;
  height: 12rem;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 244, 214, 0.72), rgba(245, 158, 11, 0.18) 42%, transparent 70%);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.55);
}

.engine.is-surging .engine-surge {
  animation: engine-surge 0.72s ease-out;
}

.engine-spark {
  position: absolute;
  left: 50%;
  top: 46%;
  z-index: 6;
  width: 13rem;
  height: 8.5rem;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.engine-spark__flash {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 248, 220, 0.55), rgba(251, 191, 36, 0.22) 42%, transparent 72%);
}

.engine-spark__bolts {
  display: none;
}

.engine.is-sparking .engine-spark {
  animation: engine-contact-halo 1.15s ease-out;
}

.engine.is-sparking .engine-chip .engine-pin {
  animation: engine-contact-glow 1.15s ease-in-out both;
}

.engine.is-sparking .engine-chip .engine-pin:nth-child(4n + 1) { animation-delay: 0s; }
.engine.is-sparking .engine-chip .engine-pin:nth-child(4n + 2) { animation-delay: 0.08s; }
.engine.is-sparking .engine-chip .engine-pin:nth-child(4n + 3) { animation-delay: 0.16s; }
.engine.is-sparking .engine-chip .engine-pin:nth-child(4n) { animation-delay: 0.24s; }

.engine.is-sparking .engine-socket__pad {
  animation: engine-pad-glow 1.15s ease-in-out 0.06s both;
}

.engine.is-sparking .engine-socket__housing {
  animation: engine-contact-ring 1.15s ease-out;
}

.engine-socket__pulse {
  fill: none;
  stroke: rgba(245, 158, 11, 0.38);
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  animation: engine-socket-pulse 2.6s ease-out infinite;
}

.engine-socket__housing {
  fill: #141c2a;
  stroke: rgba(226, 196, 120, 0.42);
  stroke-width: 1.6;
}

.engine-socket__pad {
  fill: #c6a15a;
  stroke: rgba(62, 42, 12, 0.45);
  stroke-width: 0.45;
}

.engine-socket__cavity {
  fill: url(#engine-socket-well);
  stroke: rgba(0, 0, 0, 0.65);
  stroke-width: 1.4;
}

.engine-socket__floor {
  fill: #0b111a;
  stroke: rgba(148, 163, 184, 0.16);
  stroke-width: 1;
}

.engine-socket__key {
  fill: #f59e0b;
}

.engine-socket__brackets {
  fill: none;
  stroke: rgba(251, 191, 36, 0.72);
  stroke-width: 1.7;
  stroke-linecap: round;
}

.engine-socket__cross {
  fill: none;
  stroke: rgba(245, 158, 11, 0.45);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.engine.is-armed .engine-socket__housing {
  stroke: #fbbf24;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.75));
}

.engine.is-armed .engine-socket__pad {
  fill: #ffe7a3;
}

.engine.is-armed .engine-socket__brackets {
  stroke: #fde68a;
}

.engine.is-armed .engine-socket__pulse {
  animation: none;
  stroke: rgba(251, 191, 36, 0.9);
  stroke-width: 2;
}

.engine.is-live .engine-socket__pulse,
.engine.is-live .engine-socket__cross,
.engine.is-live .engine-socket__key {
  opacity: 0;
}

.engine.is-surging .engine-pin {
  animation: engine-pin-flash 0.55s ease;
}

.engine-live-layer {
  opacity: 0;
  transition: opacity 0.32s ease;
}

.engine.is-live .engine-live-layer {
  opacity: 1;
  transition: none;
}

.engine-trace {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

.engine.is-live .engine-trace {
  animation: engine-trace-draw 0.92s cubic-bezier(0.22, 0.8, 0.3, 1) forwards;
  animation-delay: var(--draw, 0s);
}

.engine.is-cooling .engine-trace {
  animation: none;
  stroke-dashoffset: 0;
}

.engine:not(.is-live) .engine-packet {
  opacity: 0;
  animation: none;
}

.engine.is-live .engine-packet {
  opacity: 0.62;
  transition: opacity 0.4s ease 0.82s;
}

.engine.is-live .engine-packet.is-on {
  opacity: 1;
}

.engine-live-layer .engine-gate,
.engine-live-layer .engine-pill {
  opacity: 0;
}

.engine.is-live .engine-gate {
  opacity: 0.45;
  transition: opacity 0.35s ease 0.7s;
}

.engine.is-live .engine-gate.is-on {
  opacity: 1;
}

.engine.is-live .engine-pill {
  opacity: 1;
  transition: opacity 0.35s ease 0.78s;
}

.engine-chip {
  opacity: 0;
  transform-box: view-box;
  transform-origin: 700px 400px;
  will-change: transform;
}

.engine.is-connecting .engine-chip {
  opacity: 1;
  animation: engine-chip-seat 1.6s cubic-bezier(0.45, 0.02, 0.2, 1) both;
}

.engine.is-live .engine-chip {
  opacity: 1;
  transform: none;
}

.engine-node--board {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.engine.is-live .engine-node--board {
  opacity: 1;
  pointer-events: auto;
  transition-delay: calc(0.42s + var(--in, 0) * 0.06s), 0s, 0s, 0s;
}

.engine:not(.is-live) .engine-list {
  display: none;
}

.engine:not(.is-live) .engine__status-dot {
  background: #f59e0b;
  animation: engine-pulse-amber 2.2s ease-out infinite;
}

.engine:not(.is-live) .engine-bezel__foot,
.engine:not(.is-live) .engine-ticker {
  display: none;
}

.engine-readout__standby {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #d5deea;
}

.engine-readout__standby::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.7);
  flex: 0 0 auto;
}

.engine.is-live .engine-readout__standby,
.engine:not(.is-live) .engine-readout__grid {
  display: none;
}

.engine-socket-hit {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.engine-socket-hit__label {
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(245, 158, 11, 0.5);
  background: rgba(8, 12, 18, 0.78);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 0 22px rgba(245, 158, 11, 0.22);
  color: #fde68a;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  animation: engine-label-float 2.4s ease-in-out infinite;
}

.engine-socket-hit__label--armed {
  display: none;
  border-color: #fbbf24;
  color: #fff7df;
  background: rgba(92, 58, 8, 0.88);
  animation: none;
}

.engine.is-armed .engine-socket-hit__label--idle {
  display: none;
}

.engine.is-armed .engine-socket-hit__label--armed {
  display: inline-block;
}

body.is-engine-open .engine-socket-hit__label,
.engine.is-seating .engine-socket-hit__label,
.engine.is-connecting .engine-socket-hit__label,
.engine.is-sparking .engine-socket-hit__label,
.engine.is-live .engine-socket-hit__label {
  display: none;
}

.engine-bay {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 18rem);
  gap: 0.15rem;
  padding: 0.9rem 0.85rem 0.85rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(90% 70% at 50% 38%, rgba(245, 158, 11, 0.16), transparent 68%),
    linear-gradient(180deg, rgba(24, 32, 46, 0.92), rgba(10, 14, 20, 0.78));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 18px 40px rgba(0, 0, 0, 0.28);
}

.engine-bay__kicker {
  margin: 0 0 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fbbf24;
}

.engine-bay__slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  width: 100%;
  padding: 0.35rem 0.15rem 0.2rem;
}

.engine-bay__slot::before {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 22%;
  height: 14%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.28), transparent 70%);
  filter: blur(2px);
  pointer-events: none;
}

.engine-bay__slot::after {
  content: "";
  position: absolute;
  inset: 1.5%;
  border-radius: 12px;
  border: 1.5px dashed rgba(245, 158, 11, 0.72);
  pointer-events: none;
}

.engine-bay__home {
  position: relative;
  z-index: 1;
  order: 1;
  width: 78%;
  aspect-ratio: var(--token-ratio);
}

.engine-bay__well {
  position: relative;
  z-index: 0;
  order: 2;
  display: grid;
  place-items: center;
  width: 88%;
}

.engine-bay__well-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.engine-bay .engine-socket__cavity {
  fill: url(#tray-socket-well);
}

.engine-bay__well .engine-socket-hit__label {
  position: absolute;
  left: 50%;
  top: 46%;
  z-index: 1;
  transform: translate(-50%, -50%);
  animation: none;
}

.engine-bay.is-armed .engine-socket-hit__label--idle {
  display: none;
}

.engine-bay.is-armed .engine-socket-hit__label--armed {
  display: inline-block;
}

.engine-bay.is-armed .engine-socket__housing {
  stroke: #fbbf24;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.75));
}

.engine-bay.is-armed .engine-socket__pad {
  fill: #ffe7a3;
}

.engine-bay.is-armed .engine-socket__brackets {
  stroke: #fde68a;
}

.engine-bay.is-spent .engine-bay__well,
.engine-bay.is-spent .engine-socket-hit__label {
  display: none;
}

.engine-bay.is-spent .engine-bay__slot::after {
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.engine-bay__unlock {
  display: none;
}

.engine-bay.is-spent .engine-bay__unlock {
  position: absolute;
  inset: 14% 12% 18%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin: 0;
  padding: 0.35rem 0.4rem 0;
  text-align: center;
  animation: engine-site-reveal 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.engine-bay__unlock-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.38);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.16);
}

.engine-bay__unlock-copy {
  margin: 0;
  max-width: 16rem;
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #f4f6fa;
}

.engine-bay__unlock-copy span {
  background: linear-gradient(100deg, #fbbf24 0%, #f59e0b 45%, #fcd34d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.engine-token {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: grab;
  touch-action: none;
  user-select: none;
  filter: drop-shadow(0 16px 14px rgba(0, 0, 0, 0.42));
  animation: engine-token-float 3.4s ease-in-out infinite;
}

.engine-token:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 4px;
  border-radius: 18px;
}

.engine-token__svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.engine-token.is-lifted {
  position: fixed;
  inset: auto;
  left: 0;
  top: 0;
  z-index: 260;
  margin: 0;
  animation: none;
  cursor: grabbing;
  filter: drop-shadow(0 28px 22px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 16px rgba(245, 158, 11, 0.28));
}

.engine-token.is-armed {
  filter: drop-shadow(0 18px 16px rgba(0, 0, 0, 0.48)) drop-shadow(0 0 18px rgba(251, 191, 36, 0.55));
}

.engine-bay.is-spent .engine-token:not(.is-lifted) {
  visibility: hidden;
}

.engine-bay__hint {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c5d0de;
}

.engine-bay.is-spent .engine-bay__hint {
  display: none;
}

.engine-lift {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  border: 1px solid rgba(245, 158, 11, 0.45);
  background: rgba(245, 158, 11, 0.12);
  color: #fde68a;
  border-radius: 999px;
  padding: 0.48rem 0.85rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  white-space: nowrap;
  cursor: pointer;
}

.engine-lift[hidden] {
  display: none;
}

.engine-lift:hover {
  background: rgba(245, 158, 11, 0.2);
  color: #fff;
}

.engine-lift:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 3px;
}

@keyframes engine-trace-draw {
  from { stroke-dashoffset: 100; }
  to { stroke-dashoffset: 0; }
}

@keyframes engine-socket-pulse {
  0% { opacity: 0.85; stroke-width: 1.4; }
  70% { opacity: 0; stroke-width: 5; }
  100% { opacity: 0; stroke-width: 5; }
}

@keyframes engine-surge {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.4); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.35); }
}

@keyframes engine-chip-seat {
  from {
    transform: translate3d(-28px, -84px, 0);
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes engine-contact-halo {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.82); }
  22% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.12); }
}

@keyframes engine-contact-glow {
  0% { fill: #c5d0de; }
  35% { fill: #fff6c8; }
  58% { fill: #ffffff; }
  100% { fill: #c5d0de; }
}

@keyframes engine-pad-glow {
  0% { fill: #c6a15a; }
  35% { fill: #fff6c8; }
  58% { fill: #ffffff; }
  100% { fill: #c6a15a; }
}

@keyframes engine-contact-ring {
  0% { stroke: rgba(226, 196, 120, 0.42); }
  28% { stroke: #fff3c4; }
  100% { stroke: rgba(226, 196, 120, 0.42); }
}

@keyframes engine-pin-flash {
  0% { fill: #fff6d0; }
  100% { fill: #c5d0de; }
}

@keyframes engine-pulse-amber {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

@keyframes engine-token-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes engine-label-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes engine-addon-sheen {
  0%, 58% { transform: translateX(-130%); }
  82%, 100% { transform: translateX(130%); }
}

@keyframes engine-addon-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--addon) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-media--engine {
  align-items: center;
}

.hero-media--engine .engine-bay {
  grid-column: auto;
  grid-row: auto;
  width: min(100%, 20rem);
  margin-inline: auto;
  justify-self: center;
}

.hero:has(.hero-engine) {
  padding-bottom: 3.5rem;
}

.hero-engine {
  position: relative;
  margin-top: 1.75rem;
}

/* First view: keep the chip and a real socket in the same card. The original
   full board only opens once the chip is seated. */
body:has([data-engine-token]):not(.is-engine-open) .hero-engine,
body:has([data-engine-token]):not(.is-engine-open) .page-hero__media--engine {
  display: none;
}

body:has([data-engine-token]):not(.is-engine-open) .hero:has(.hero-engine) {
  padding-bottom: 2rem;
}

@media (max-width: 779px) {
  body:has([data-engine-token]):not(.is-engine-open) .hero-desc,
  body:has([data-engine-token]):not(.is-engine-open) .hero-points {
    display: none;
  }

  body:has([data-engine-token]):not(.is-engine-open) .hero-title--prompt {
    font-size: clamp(1.45rem, 6.4vw, 2rem);
    margin-bottom: 0.7rem;
  }

  body:has([data-engine-token]) .hero-badge {
    margin-top: 0.85rem;
  }

  .hero-media--engine .engine-bay {
    width: min(100%, 16.5rem);
  }

  .engine-bay__well .engine-socket-hit__label {
    white-space: nowrap;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    padding: 0.28rem 0.55rem;
  }
}

@media (max-width: 860px) {
  .page-hero__inner--engine {
    grid-template-columns: 1fr;
  }

  .page-hero--competency-engine .page-hero__copy,
  .engine-bay,
  .page-hero__media--engine {
    grid-column: 1;
  }

  .page-hero--competency-engine .page-hero__copy { grid-row: 1; }
  .engine-bay {
    grid-row: 2;
    justify-self: center;
    width: min(100%, 16.5rem);
  }
  .page-hero__media--engine { grid-row: 3; }

  .hero-media--engine .engine-bay {
    width: min(100%, 16.5rem);
    grid-row: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .engine-surge,
  .engine-spark,
  .engine-chip,
  .engine-packet,
  .engine__status-dot,
  .engine-node__dot,
  .engine-ticker__track,
  .engine__scene,
  .engine-socket__pulse,
  .engine-token,
  .engine-socket-hit__label,
  .engine-trace,
  .engine-addon,
  .engine-addon::after,
  .nav-menu::before,
  .engine-addon__mark,
  .engine-bay.is-spent .engine-bay__unlock {
    animation: none;
    transition: none;
  }

  .engine.is-connecting .engine-chip,
  .engine.is-live .engine-chip {
    animation: none;
    opacity: 1;
    transform: none;
    filter: none;
  }

  .engine.is-live .engine-trace {
    stroke-dashoffset: 0;
    opacity: 1;
  }

  .engine.is-live .engine-addon {
    opacity: 1;
    visibility: visible;
    transform: translate(var(--ax), var(--ay));
  }

  .engine:not(.is-live) .engine-packet,
  .engine-packet {
    stroke-dasharray: none;
    opacity: 0;
  }

  .engine.is-live .engine-packet {
    opacity: 0.35;
  }

  body:has([data-engine-token]) .header .nav-menu,
  body:has([data-engine-token]) .header .nav-toggle,
  body.is-engine-open .hero ~ *,
  body.is-engine-open .page-hero--competency-engine ~ *,
  body.is-engine-open .page-section--faq-accordion,
  body.is-engine-open .cta {
    animation: none;
    transition: none;
  }
}

/* Keep the first view on the chip and socket. The menu appears once the chip is seated. Share stays in the header. */
body:has([data-engine-token]) .header .nav-menu,
body:has([data-engine-token]) .header .nav-toggle {
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

body:has([data-engine-token]):not(.is-engine-open) .header .nav-menu,
body:has([data-engine-token]):not(.is-engine-open) .header .nav-toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
}

/* One yellow trace across the menu the first time the chip seats. It does not repeat. */
@media (min-width: 901px) {
  .nav-menu {
    position: relative;
  }

  .nav-menu::before {
    content: "";
    position: absolute;
    z-index: 5;
    left: 0;
    right: 0;
    bottom: 0.12rem;
    height: 2px;
    border-radius: 999px;
    pointer-events: none;
    opacity: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(245, 158, 11, 0.2) 35%, #fbbf24 62%, #fff7d6 100%);
    background-repeat: no-repeat;
    background-size: 22% 100%;
    background-position: -40% 0;
    box-shadow: 0 0 8px #f59e0b, 0 0 16px rgba(245, 158, 11, 0.8);
  }

  body.is-nav-traced .nav-menu::before {
    animation: nav-menu-trace 1.25s linear 0.32s 1 both;
  }
}

@keyframes nav-menu-trace {
  0% { opacity: 0; background-position: -40% 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { opacity: 0; background-position: 140% 0; }
}

body.is-engine-open [hidden="until-found"] {
  content-visibility: visible !important;
}

/* The keyword headline stays in the document for search and assistive tech. Sighted visitors see the prompt until the chip is seated. */
body:has([data-engine-token]):not(.is-engine-open) [data-engine-headline] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

body.is-engine-open [data-engine-prompt] {
  display: none;
}

/* After seating, drop the engine-online tray so the title and paragraph can
   run full width. Unplug lives with that copy and restores the first view. */
body.is-engine-open .hero-media--engine,
body.is-engine-open .engine-bay {
  display: none;
}

body.is-engine-open .hero-grid {
  grid-template-columns: 1fr;
  gap: 0;
}

body.is-engine-open .hero-title,
body.is-engine-open .hero-desc,
body.is-engine-open .page-hero--competency-engine .page-lead {
  max-width: none;
}

body.is-engine-open .hero-title {
  font-size: clamp(1.45rem, 2.45vw, 2.15rem);
  margin-bottom: 0.85rem;
}

body.is-engine-open .hero-title .hero-title__accent {
  display: inline;
  padding-bottom: 0.08em;
}

body.is-engine-open .page-hero__inner--engine {
  grid-template-columns: 1fr;
}

.engine-unplug-row {
  display: flow-root;
}

.engine-unplug-row .engine-lift {
  float: right;
  margin: 0.2rem 0 0.55rem 1rem;
}

body.is-engine-open .engine-unplug-row .hero-title,
body.is-engine-open .engine-unplug-row .page-title {
  margin-bottom: 0;
}

body.is-engine-open .engine-unplug-row {
  margin-bottom: 0.85rem;
}

.hero-title .hero-title__accent {
  display: inline-block;
  line-height: 1;
  padding: 0.02em 0.03em 0.22em;
  vertical-align: baseline;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Collapsed with hidden=until-found so the copy stays in the HTML and can be found, without display:none. */
body:has([data-engine-token]):not(.is-engine-open) .hero ~ *,
body:has([data-engine-token]):not(.is-engine-open) .page-hero--competency-engine ~ *,
body:has([data-engine-token]):not(.is-engine-open) .page-section--faq-accordion {
  content-visibility: hidden;
}

/* until-found keeps each section's padding, which stacks into a tall empty gap above the footer. */
@media not (scripting: none) {
  body:has([data-engine-token]):not(.is-engine-open) .hero ~ *,
  body:has([data-engine-token]):not(.is-engine-open) [data-engine-gate],
  body:has([data-engine-token]):not(.is-engine-open) .page-hero--competency-engine ~ section,
  body:has([data-engine-token]):not(.is-engine-open) .page-section--faq-accordion {
    height: 0;
    min-height: 0;
    padding: 0;
    margin: 0;
    border: 0;
    overflow: hidden;
    contain-intrinsic-size: 0px;
    visibility: hidden;
    pointer-events: none;
  }

  body:has([data-engine-token]):not(.is-engine-open) .hero,
  body:has([data-engine-token]):not(.is-engine-open) .page-hero--competency-engine {
    padding-bottom: 0;
  }
}

body.is-engine-open .hero ~ *,
body.is-engine-open .page-hero--competency-engine ~ *,
body.is-engine-open .page-section--faq-accordion,
body.is-engine-open .cta {
  animation: engine-site-reveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes engine-site-reveal {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (scripting: none) {
  body:has([data-engine-token]) .header .nav-menu,
  body:has([data-engine-token]) .header .nav-toggle {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    position: revert;
  }

  body:has([data-engine-token]) [data-engine-gate],
  body:has([data-engine-token]) .page-hero--competency-engine ~ * {
    content-visibility: visible !important;
    display: block !important;
  }

  body:has([data-engine-token]) [data-engine-headline] {
    position: static !important;
    width: auto !important;
    height: auto !important;
    margin: 0 0 1.35rem !important;
    padding: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    clip-path: none !important;
    white-space: normal !important;
  }

  body:has([data-engine-token]) [data-engine-prompt] {
    display: none !important;
  }

  body:has([data-engine-token]) .hero-engine,
  body:has([data-engine-token]) .page-hero__media--engine {
    display: block !important;
  }
}