:root {
  --bay: #e7ebef;
  --bay-2: #d5dce2;
  --ink: #1a2228;
  --mute: #5c6b75;
  --fluor: #1f7a62;
  --amber: #c48412;
  --warn-bg: #f4e4c4;
  --steel: #2c3a44;
  --line: rgba(26, 34, 40, 0.14);
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bay);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-link {
  color: var(--fluor);
  text-decoration: underline;
  text-underline-offset: 3px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(26, 34, 40, 0.08);
  padding: 0.05em 0.4em;
}

.mat {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  opacity: 0.12;
  background-image: url("images/texture.webp");
  background-size: 280px auto;
  mix-blend-mode: multiply;
}

.barcode-edge {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  z-index: 50;
  background: repeating-linear-gradient(
    180deg,
    #111 0 3px,
    #111 3px 5px,
    transparent 5px 8px,
    #111 8px 14px,
    transparent 14px 16px
  );
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 18px;
  top: 10px;
  z-index: 70;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
}

.bay-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 24px 10px 28px;
  background: rgba(231, 235, 239, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--ink);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mute);
}

.scan {
  font-family: var(--mono);
  letter-spacing: -0.12em;
  border: 2px solid var(--ink);
  padding: 2px 6px;
  font-size: 12px;
}

.nav-toggle {
  display: none;
  background: #fff;
  border: 2px solid var(--ink);
  padding: 6px 12px;
}

.bay-nav {
  display: flex;
  gap: 14px;
  font-size: 14px;
  align-items: center;
}

.bay-nav a {
  color: var(--mute);
}

.bay-nav a.is-active,
.bay-nav a:hover {
  color: var(--ink);
}

.bay-nav .live {
  color: #fff;
  background: var(--ink);
  padding: 6px 12px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 88vh;
  border-bottom: 2px solid var(--ink);
}

.bench-shot {
  margin: 0;
  background: var(--steel);
  color: #d5dce2;
}

.bench-shot img {
  width: 100%;
  height: calc(88vh - 42px);
  object-fit: cover;
}

.bench-shot figcaption {
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 14px;
}

.work-order {
  padding: 7vh 5vw;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 27px,
      rgba(26, 34, 40, 0.06) 27px 28px
    ),
    #f4f6f8;
}

.kicker,
.vlabel {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--fluor);
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(32px, 4.6vw, 58px);
}

h2 {
  font-size: clamp(24px, 3vw, 36px);
}

h3 {
  font-size: 19px;
}

.lead {
  color: var(--mute);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0;
}

.chip {
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.chip.warn {
  background: var(--warn-bg);
  border-color: var(--amber);
}

.chip.ok {
  color: var(--fluor);
  border-color: var(--fluor);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 2px solid var(--ink);
  font-size: 14px;
}

.btn-fill {
  background: var(--ink);
  color: #fff;
}

.btn-ghost {
  background: #fff;
}

.bay {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 80px 0;
}

.bay-head {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.bay-head p:last-child {
  margin: 0;
  color: var(--mute);
}

.order-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.order-grid article {
  background: #fff;
  border: 2px solid var(--ink);
  padding: 20px;
}

.tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fluor);
}

.tag.warn {
  color: var(--amber);
}

.order-grid ul,
.io-pair ul,
.rule-list {
  margin: 0;
  padding-left: 1.1em;
}

.order-grid li,
.io-pair li,
.rule-list li {
  margin: 0.32em 0;
}

.steel-band {
  background: var(--bay-2);
  border-block: 2px solid var(--ink);
}

.lane {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  margin: 0 0 40px;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
}

.lane li {
  background: #fff;
  border: 2px solid var(--ink);
  padding: 10px 6px;
  text-align: center;
}

.lane li.hot {
  background: var(--warn-bg);
}

.station {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.station.flip {
  direction: rtl;
}

.station.flip > * {
  direction: ltr;
}

.idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fluor);
  display: block;
  margin-bottom: 8px;
}

.station figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--ink);
}

.station figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.station figcaption {
  color: #d5dce2;
  font-size: 12px;
  font-family: var(--mono);
  padding: 8px 10px 12px;
}

.dial {
  margin-top: 14px;
  padding: 12px;
  border: 2px dashed var(--ink);
  background: #fff;
}

.dial-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

.slider {
  display: grid;
  grid-template-columns: 28px 1fr 56px;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}

.slider input {
  width: 100%;
  accent-color: var(--amber);
}

.tri-state {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 13px;
}

.tri-state.ok {
  color: var(--fluor);
}

.tri-state.warn {
  color: var(--amber);
}

.tri-state.late {
  color: #a33;
}

.bench-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.value-grid {
  grid-template-columns: repeat(4, 1fr);
}

.bench-grid article,
.value-grid article {
  background: #fff;
  border: 2px solid var(--ink);
  padding: 18px;
  border-top-width: 8px;
}

.rule-list {
  max-width: 46em;
}

.io-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.io-pair > div {
  background: #fff;
  border: 2px solid var(--ink);
  padding: 20px;
}

footer {
  padding: 24px 24px 36px 28px;
  font-size: 13px;
  color: var(--mute);
  border-top: 2px solid var(--ink);
}

@media (max-width: 960px) {
  .barcode-edge {
    display: none;
  }

  .hero,
  .bay-head,
  .order-grid,
  .station,
  .bench-grid,
  .value-grid,
  .io-pair,
  .lane {
    grid-template-columns: 1fr 1fr;
  }

  .hero,
  .bay-head,
  .station,
  .io-pair {
    grid-template-columns: 1fr;
  }

  .station.flip {
    direction: ltr;
  }

  .bench-shot img {
    height: 42vh;
  }

  .lane {
    grid-template-columns: repeat(4, 1fr);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .bay-nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    flex-direction: column;
    background: #fff;
    padding: 12px 20px 20px;
    gap: 10px;
    border-bottom: 2px solid var(--ink);
  }

  .bay-nav.open {
    display: flex;
  }
}