:root {
  --night: #071110;
  --tile: #0f1c1a;
  --slab: #142422;
  --cream: #e7efe8;
  --mute: #8aa09a;
  --enzyme: #e8b84a;
  --rinse: #3d86b5;
  --cyan: #2aa39a;
  --dry: #e8e2d2;
  --hold: #c4453a;
  --grout: #1a2c28;
  --display: "Bricolage Grotesque", "Noto Sans SC", sans-serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --spine: 52px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 84px; }

body {
  margin: 0;
  padding-left: var(--spine);
  background: var(--night);
  color: var(--cream);
  font-family: var(--sans);
  line-height: 1.7;
  min-height: 100%;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
code {
  font-family: var(--mono);
  background: rgba(42, 163, 154, 0.16);
  padding: 0 0.28em;
}

.grout {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.22;
  background-image: url("images/texture.webp");
  background-size: 280px;
  mix-blend-mode: overlay;
}

.grout::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 47px,
      rgba(232, 226, 210, 0.05) 47px,
      rgba(232, 226, 210, 0.05) 48px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 47px,
      rgba(232, 226, 210, 0.05) 47px,
      rgba(232, 226, 210, 0.05) 48px
    );
}

.spine {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--spine);
  z-index: 40;
  background: var(--tile);
  border-right: 1px solid rgba(232, 184, 74, 0.28);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0 16px;
}

.spine span {
  writing-mode: vertical-rl;
  font-family: var(--display);
  letter-spacing: 0.28em;
  font-size: 13px;
  color: var(--enzyme);
}

.ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ticks li {
  width: 14px;
  height: 28px;
  border-radius: 1px;
}

.t-enzyme { background: var(--enzyme); }
.t-rinse { background: var(--rinse); }
.t-cyan { background: var(--cyan); }
.t-dry { background: var(--dry); }
.t-hold { background: var(--hold); }

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 64px;
  top: 12px;
  z-index: 80;
  background: var(--enzyme);
  color: #141208;
  padding: 8px 12px;
}

.mast {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 28px;
  background: rgba(7, 17, 16, 0.92);
  border-bottom: 1px solid rgba(42, 163, 154, 0.28);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
}

.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mute);
  font-weight: 400;
}

.mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--enzyme);
  color: #141208;
  font-family: var(--display);
  font-weight: 700;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--enzyme);
  border: 1px solid var(--enzyme);
  padding: 6px 12px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 13px;
}

.nav-links a {
  color: var(--mute);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.nav-links a.is-active,
.nav-links a:hover {
  color: var(--cream);
  border-bottom-color: var(--cyan);
}

.nav-links a.live {
  color: var(--enzyme);
  border-bottom-color: var(--enzyme);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.72fr;
  grid-template-areas:
    "slab sluice"
    "bay sluice";
  gap: 10px;
  padding: 16px 18px 8px;
  position: relative;
  z-index: 1;
}

.hero-slab {
  grid-area: slab;
  background: linear-gradient(160deg, rgba(20, 36, 34, 0.96), rgba(7, 17, 16, 0.88));
  border: 1px solid rgba(232, 184, 74, 0.28);
  padding: 28px 28px 24px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.hero-sluice {
  grid-area: sluice;
  margin: 0;
  border: 1px solid rgba(42, 163, 154, 0.35);
  background: var(--tile);
  overflow: hidden;
}

.hero-sluice img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.hero-bay {
  grid-area: bay;
  margin: 0;
  border: 1px solid rgba(61, 134, 181, 0.35);
  overflow: hidden;
}

.hero-bay img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

figure figcaption {
  font-size: 12px;
  color: var(--mute);
  padding: 8px 12px 10px;
  font-family: var(--mono);
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--enzyme);
  margin: 0 0 12px;
}

h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.18;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 15px;
  color: rgba(231, 239, 232, 0.88);
  max-width: 62ch;
  margin: 0 0 18px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.chip {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 8px;
  border: 1px solid currentColor;
}

.chip.enzyme { color: var(--enzyme); }
.chip.rinse { color: #8ec4e4; }
.chip.cyan { color: var(--cyan); }
.chip.dry { color: var(--dry); }
.chip.hold { color: #e08a82; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-fill {
  background: var(--enzyme);
  color: #141208;
  border-color: var(--enzyme);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(231, 239, 232, 0.35);
}

.btn:hover { filter: brightness(1.08); }

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 28px;
}

.section-head {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  margin-bottom: 28px;
  align-items: start;
}

.vlabel {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--enzyme);
  margin: 0;
  writing-mode: vertical-rl;
  height: 7.5em;
  border-left: 3px solid var(--enzyme);
  padding-left: 10px;
}

h2 {
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.25;
  margin: 0 0 8px;
}

.section-head p {
  margin: 0;
  color: rgba(231, 239, 232, 0.82);
}

#need { background: linear-gradient(180deg, rgba(15, 28, 26, 0.55), transparent); }
#flow { border-top: 1px solid rgba(61, 134, 181, 0.25); }
#bench { background: var(--tile); }
#value { border-top: 1px solid rgba(232, 184, 74, 0.2); }
#rules { background: linear-gradient(180deg, transparent, rgba(196, 69, 58, 0.08)); }
#roles { border-top: 1px solid rgba(42, 163, 154, 0.2); }

.tile-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tile {
  background: var(--slab);
  border: 1px solid rgba(232, 226, 210, 0.12);
  padding: 18px 18px 8px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.stamp {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.tile h3, .chain h3, .value-grid h3 {
  font-size: 16px;
  margin: 8px 0 10px;
  font-family: var(--display);
}

.tile ul {
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 13px;
  color: rgba(231, 239, 232, 0.86);
}

.chain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.chain li {
  background: var(--slab);
  border: 1px solid rgba(42, 163, 154, 0.18);
  padding: 16px;
}

.chain li:nth-child(2),
.chain li:nth-child(4),
.chain li:nth-child(5) {
  grid-column: span 1;
}

.chain p {
  margin: 0 0 12px;
  font-size: 14px;
  color: rgba(231, 239, 232, 0.86);
}

.chain img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border: 1px solid rgba(232, 226, 210, 0.12);
}

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

.slot.enzyme { color: var(--enzyme); }
.slot.rinse { color: #8ec4e4; }
.slot.cyan { color: var(--cyan); }
.slot.dry { color: var(--dry); }
.slot.hold { color: #e08a82; }

.bench {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  align-items: start;
}

.scope-id {
  font-family: var(--mono);
  font-size: 28px;
  letter-spacing: 0.04em;
  margin: 4px 0;
  color: var(--enzyme);
}

.scope-meta {
  margin: 0 0 16px;
  color: var(--mute);
  font-size: 13px;
}

.bench-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.issue-note {
  min-height: 4.5em;
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--hold);
  background: rgba(196, 69, 58, 0.1);
  font-size: 14px;
}

.issue-note[data-state="pass"] {
  border-left-color: var(--cyan);
  background: rgba(42, 163, 154, 0.12);
}

.issue-note[data-state="idle"] {
  border-left-color: var(--mute);
  background: rgba(255, 255, 255, 0.04);
}

.sluice-board {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sluice-board li {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid rgba(232, 226, 210, 0.16);
  background: var(--night);
  cursor: pointer;
  font-size: 13px;
}

.sluice-board li .bar {
  width: 10px;
  height: 28px;
}

.sluice-board li.open { border-color: rgba(42, 163, 154, 0.7); }
.sluice-board li.now { border-color: var(--enzyme); box-shadow: inset 0 0 0 1px var(--enzyme); }
.sluice-board li.lock { opacity: 0.55; }

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.value-grid article {
  padding: 16px 18px;
  background: var(--slab);
  border-top: 3px solid var(--enzyme);
}

.value-grid article:nth-child(2) { border-top-color: var(--rinse); }
.value-grid article:nth-child(3) { border-top-color: var(--cyan); }
.value-grid article:nth-child(4) { border-top-color: var(--hold); }

.value-grid p {
  margin: 0;
  font-size: 14px;
  color: rgba(231, 239, 232, 0.86);
}

.rules {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
}

.rules li { margin-bottom: 10px; }

.roles {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.roles th, .roles td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(232, 226, 210, 0.12);
  vertical-align: top;
}

.roles th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mute);
  font-weight: 500;
}

.foot {
  position: relative;
  z-index: 1;
  padding: 28px;
  border-top: 1px solid rgba(232, 184, 74, 0.25);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--mute);
}

.foot .live { color: var(--enzyme); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "slab"
      "sluice"
      "bay";
  }
  .hero-sluice img { min-height: 280px; }
  .tile-row, .chain, .bench, .value-grid, .section-head {
    grid-template-columns: 1fr;
  }
  .vlabel {
    writing-mode: horizontal-tb;
    height: auto;
    border-left: 0;
    border-bottom: 2px solid var(--enzyme);
    padding: 0 0 6px;
  }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    right: 16px;
    top: 56px;
    flex-direction: column;
    background: var(--tile);
    border: 1px solid rgba(232, 184, 74, 0.35);
    padding: 12px 16px;
    min-width: 180px;
  }
  .nav-links.open { display: flex; }
}

@media (max-width: 640px) {
  body { padding-left: 0; }
  .spine { display: none; }
  h1 { font-size: 28px; }
}