.power-product .hero h1 {
  letter-spacing: -0.045em;
}
.power-product .hero h1 span {
  color: var(--lime);
}
.power-product .hero-visual .product {
  width: 90%;
  max-width: 90%;
  margin: 46px auto 18px;
  transform: rotate(-5deg);
  filter: drop-shadow(0 34px 22px #00172b80);
}
.power-product .hero-path i {
  background: linear-gradient(90deg, #ff7b32, #f3ea08 50%, #38b6ff);
}
.pulse-story,
.load-gallery {
  background: #f5f8fa;
}
.pulse-story .eyebrow,
.load-gallery .eyebrow,
.applications .eyebrow,
.control-modes .eyebrow {
  color: var(--blue);
}
.pulse-sequence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.pulse-step {
  position: relative;
  min-height: 238px;
  padding: 28px;
  overflow: hidden;
  border-top: 5px solid var(--blue);
  background: #fff;
  box-shadow: 0 18px 45px #08294212;
}
.pulse-step > span,
.use-card > span,
.mode-card > span {
  color: var(--blue);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.pulse-step h3,
.use-card h3,
.mode-card h3 {
  margin: 12px 0 10px;
  font-size: 26px;
}
.pulse-step p,
.use-card p,
.mode-card p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}
.polarity-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 9px;
  align-items: center;
  margin-top: 25px;
  color: #fff;
  font-size: 10px;
  font-weight: 900;
}
.polarity-line i {
  height: 7px;
  background: linear-gradient(90deg, #ff7b32, #f3ea08);
  box-shadow: 0 0 16px #ff9d3f80;
}
.pulse-step:nth-child(2) .polarity-line i {
  background: linear-gradient(90deg, #38b6ff, #f3ea08);
}
.pulse-step:nth-child(3) .polarity-line i {
  background: #63798d;
  box-shadow: none;
}
.polarity-box {
  margin-top: 24px;
  padding: 18px;
  background: #071d33;
}
.polarity-box small {
  display: block;
  margin-top: 8px;
  color: #a9c3d7;
}
.relay-lab,
.power-lab {
  background: #071a2e;
  color: #fff;
}
.relay-lab .eyebrow,
.power-lab .eyebrow {
  color: var(--lime);
}
.relay-lab .section-heading > p,
.power-lab .section-heading > p {
  color: #bbd1e3;
}
.lab-shell {
  display: grid;
  grid-template-columns: 350px 1fr;
  overflow: hidden;
  border: 1px solid #456582;
  border-radius: 18px;
  background: #0d2c49;
  box-shadow: 0 28px 70px #00122580;
}
.lab-controls {
  padding: 28px;
  background: #061729;
}
.lab-controls h3 {
  margin: 0 0 7px;
  font-size: 22px;
}
.lab-controls > p {
  margin: 0 0 22px;
  color: #9db7cb;
  font-size: 11px;
}
.lab-controls label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 18px;
  color: #dce9f3;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.lab-controls input[type="range"],
.lab-controls select {
  grid-column: 1/-1;
  width: 100%;
}
.lab-controls input[type="range"] {
  accent-color: var(--lime);
}
.lab-controls select {
  padding: 10px;
  border: 1px solid #526f88;
  background: #fff;
  color: var(--ink);
}
.lab-controls output {
  color: var(--lime);
}
.command-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 23px;
}
.command-row button,
.load-command button,
.direction-control button {
  padding: 12px;
  border: 1px solid #56758f;
  background: transparent;
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.command-row button:hover,
.command-row button.active,
.load-command button.active,
.direction-control button[aria-pressed="true"] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--night);
}
.lab-stage {
  position: relative;
  min-height: 430px;
  padding: 31px;
}
.panel-scene {
  display: grid;
  grid-template-columns: 1fr 120px 1fr;
  align-items: center;
  gap: 22px;
  min-height: 270px;
}
.breaker-panel {
  padding: 24px;
  border: 6px solid #8da2b2;
  background: #dfe7ec;
  color: var(--ink);
  box-shadow: inset 0 0 0 2px #61798c;
}
.breaker-panel > span {
  display: block;
  margin-bottom: 14px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--blue);
}
.breaker-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 12px;
  border: 1px solid #9baeba;
  background: #fff;
}
.breaker-row i {
  width: 30px;
  height: 17px;
  border-radius: 12px;
  background: #6d7e89;
  box-shadow: inset 0 0 0 5px #cad4da;
}
.breaker-row i.on {
  background: var(--lime);
  box-shadow: inset 0 0 0 5px #808000;
}
.coil-block {
  display: grid;
  place-items: center;
  min-height: 120px;
  border: 2px solid #8baac2;
  border-radius: 50%;
  background: #061729;
}
.coil-block strong {
  font:
    600 20px/1.1 Oswald,
    Arial,
    sans-serif;
  text-align: center;
}
.coil-block.pulsing {
  border-color: var(--lime);
  box-shadow: 0 0 30px #f3ea0860;
}
.wire-pair {
  position: absolute;
  left: 34%;
  right: 34%;
  top: 44%;
  height: 36px;
  border-top: 4px solid var(--wire-a, #687d8e);
  border-bottom: 4px solid var(--wire-b, #687d8e);
  transition: border-color 0.15s;
}
.relay-status,
.power-status {
  margin: 24px 0 0;
  padding: 14px;
  border-left: 4px solid var(--lime);
  background: #061729;
  color: #c5d8e8;
  font-size: 11px;
}
.terminal-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-top: 16px;
}
.terminal-readout div {
  padding: 12px;
  border: 1px solid #45617a;
  background: #061729;
  text-align: center;
}
.terminal-readout span,
.terminal-readout strong {
  display: block;
}
.terminal-readout span {
  color: #9db6ca;
  font-size: 8px;
  letter-spacing: 0.1em;
}
.terminal-readout strong {
  margin-top: 6px;
  color: var(--lime);
  font-size: 14px;
}
.application-grid,
.use-grid,
.mode-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.use-card,
.mode-card {
  min-height: 230px;
  padding: 25px;
  border-top: 5px solid var(--blue);
  background: #fff;
  box-shadow: 0 18px 45px #08294212;
}
.use-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: #071d33;
  color: var(--lime);
  font:
    600 20px/1 Oswald,
    Arial,
    sans-serif;
}
.io-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
}
.io-terminal-card {
  border: 1px solid #b9cad6;
  background: #fff;
}
.io-terminal-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 15px 18px;
  background: #071d33;
  color: #fff;
}
.io-terminal-head span {
  color: var(--lime);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.io-terminal-head b {
  font-size: 12px;
}
.io-terminal-card .io-panel {
  grid-template-columns: 1fr;
}
.io-terminal-card .io-role {
  grid-template-columns: 1fr 1fr;
}
.profile-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 4px solid #d7901c;
  background: #fff7dd;
  color: #5d471f;
  font-size: 11px;
}
.load-stage {
  display: grid;
  grid-template-columns: 1fr 160px 1fr;
  gap: 22px;
  align-items: center;
  min-height: 260px;
}
.output-block,
.load-block {
  min-height: 170px;
  padding: 23px;
  border: 1px solid #577993;
  background: #061729;
}
.output-block span,
.load-block span {
  display: block;
  color: #9db7cb;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.output-block strong,
.load-block strong {
  display: block;
  margin-top: 22px;
  font:
    600 27px/1.15 Oswald,
    Arial,
    sans-serif;
  color: var(--lime);
}
.load-symbol {
  position: relative;
  display: grid;
  place-items: center;
  width: 128px;
  height: 128px;
  margin: 16px auto 0;
  border: 5px solid #7893a8;
  border-radius: 50%;
  color: #fff;
  font:
    600 22px/1 Oswald,
    Arial,
    sans-serif;
  transition:
    transform 0.3s,
    border-color 0.2s;
}
.load-symbol.forward {
  transform: rotate(18deg);
  border-color: var(--lime);
}
.load-symbol.reverse {
  transform: rotate(-18deg);
  border-color: #38b6ff;
}
.load-symbol.pulse {
  box-shadow: 0 0 0 14px #f3ea0818;
  border-color: var(--lime);
}
.bridge-wire {
  height: 62px;
  border-top: 5px solid var(--wire-a, #70889b);
  border-bottom: 5px solid var(--wire-b, #70889b);
}
.mode-select {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.mode-select button {
  padding: 10px 6px;
  border: 1px solid #4e6d87;
  background: transparent;
  color: #bcd1e3;
  font-size: 9px;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}
.mode-select button[aria-pressed="true"] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--night);
}
.direction-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 20px;
}
.output-options {
  margin-top: 18px;
  padding-top: 4px;
  border-top: 1px solid #345068;
}
.io-specific-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
}
.io-specific-grid article {
  padding: 24px;
  border: 1px solid #bfd0dc;
  background: #fff;
}
.io-specific-grid h3 {
  margin-top: 0;
}
.io-specific-grid ul {
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.wiring-diagram.power-wire {
  grid-template-columns: 0.8fr auto 1fr 1fr;
}
.power-wire .load {
  grid-row: 1/3;
}
.two-io-tags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.two-io-tags span {
  padding: 9px;
  background: #0a213a;
  color: #bcd1e2;
  font:
    700 9px/1.2 Roboto,
    Arial,
    sans-serif;
}
@media (max-width: 980px) {
  .lab-shell,
  .pulse-sequence {
    grid-template-columns: 1fr;
  }
  .application-grid,
  .use-grid,
  .mode-card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .io-pair {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .application-grid,
  .use-grid,
  .mode-card-grid,
  .io-specific-grid {
    grid-template-columns: 1fr;
  }
  .panel-scene,
  .load-stage {
    grid-template-columns: 1fr;
  }
  .wire-pair {
    display: none;
  }
  .bridge-wire {
    width: 60%;
    margin: 0 auto;
    transform: rotate(90deg);
  }
  .terminal-readout {
    grid-template-columns: 1fr;
  }
  .wiring-diagram.power-wire {
    grid-template-columns: 1fr;
  }
  .wiring-diagram.power-wire > * {
    grid-row: auto;
  }
}