/* ============================================================
   Procurement Paths · Academic + Industrial walkthroughs
   ============================================================ */

.path-hero {
  padding: 36px 0 56px;
  border-bottom: var(--rule);
  background:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    var(--bg);
  background-size: 80px 100%;
  background-position: -1px 0;
}
.path-hero[data-track="academic"] { background-color: color-mix(in oklch, var(--blue) 4%, var(--bg)); }
.path-hero[data-track="industrial"] { background-color: color-mix(in oklch, var(--green) 4%, var(--bg)); }

.path-switch {
  display: flex;
  align-items: center;
  gap: 0;
  border: var(--rule);
  border-radius: 4px;
  background: var(--surface);
  margin-bottom: 48px;
  overflow: hidden;
  max-width: 720px;
}
.ps-tab {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 22px;
  border: 0;
  background: transparent;
  text-align: left;
  border-right: var(--rule);
  color: var(--muted);
  cursor: pointer;
  flex: 1 1 auto;
  transition: background 0.15s, color 0.15s;
}
.ps-tab:hover { background: var(--bg-tinted); }
.ps-tab.active { background: var(--ink); color: #fff; }
.ps-tab .ps-code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.ps-tab .ps-label {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.ps-meta {
  padding: 0 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  flex: 0 0 auto;
  white-space: nowrap;
}
.ps-meta strong { color: var(--ink); font-weight: 500; }

.path-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: end;
  padding-bottom: 32px;
}
.path-h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.04;
  color: var(--ink);
  margin: 14px 0 0;
}
.path-h1 .em { font-style: normal; font-weight: 500; }
.path-hero[data-track="academic"]  .path-h1 .em { color: var(--blue); }
.path-hero[data-track="industrial"] .path-h1 .em { color: var(--green); }

.path-hero-right {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.path-lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  margin: 0;
  max-width: 520px;
}

.persona-card {
  background: var(--surface);
  border: var(--rule);
  border-radius: 4px;
  padding: 20px 22px;
}
.persona-card .mono { display: block; margin-bottom: 6px; }
.persona-card h4 {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 14px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.persona-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 8px 18px;
  font-size: 13px;
}
.persona-card dl > div { display: contents; }
.persona-card dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}
.persona-card dd { margin: 0; color: var(--ink); font-variant-numeric: tabular-nums; }

.path-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: var(--rule);
  border-radius: 4px;
  background: var(--surface);
  margin-top: 8px;
}
.path-kpi {
  padding: 18px 22px;
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.path-kpi:last-child { border-right: 0; }
.path-kpi .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.path-kpi .val {
  font-size: 28px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.1;
}
.path-kpi .val sub {
  font-size: 12px;
  color: var(--muted);
  margin-left: 4px;
  vertical-align: baseline;
}

/* Overview rail */
.path-overview {
  padding: 22px 0;
  border-bottom: var(--rule);
  background: var(--surface);
}
.po-rail {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
}
.po-node {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 18px 6px 0;
  white-space: nowrap;
}
.po-ix {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.path-overview[data-track="academic"] .po-ix { color: var(--blue); }
.path-overview[data-track="industrial"] .po-ix { color: var(--green); }
.po-lbl {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}
.po-sep {
  flex: 1 1 auto;
  height: 1px;
  background: var(--border);
  position: relative;
  margin: 0 18px 0 0;
}
.po-sep::after {
  content: "→";
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface);
  padding: 0 6px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Step modules */
.path-step {
  padding: 96px 0;
  border-bottom: var(--rule);
}
.path-step:nth-child(odd) { background: var(--surface); }
.path-step:nth-child(even) { background: var(--bg); }

.path-step .ps-grid {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.path-step.reverse .ps-grid {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
}
.path-step.reverse .ps-text { order: 2; }
.path-step.reverse .ps-mock { order: 1; }

.ps-text {
  position: sticky;
  top: 100px;
  align-self: start;
}
.ps-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--accent);
  display: inline-block;
  padding-right: 24px;
}
.ps-title {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.08;
  color: var(--ink);
  margin: 0 0 6px;
}
.ps-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.ps-text p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg);
  margin: 0 0 24px;
}
.ps-anno {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-tinted);
  border-left: 2px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.ps-anno .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

/* Generic mock card */
.mock-card {
  background: var(--surface);
  border: var(--rule);
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 12px 32px -16px rgba(20,30,50,0.10);
  overflow: hidden;
}
.mock-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: var(--rule);
  background: var(--bg-tinted);
  gap: 12px;
  flex-wrap: wrap;
}
.mock-head .mono { font-size: 10px; color: var(--ink); font-weight: 500; }
.mock-head .mono.dim { color: var(--muted); font-weight: 400; }
.mock-head .mono.ok { color: var(--green); }

/* ---- a.01 Lit search ---- */
.lit-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: var(--rule);
  background: var(--surface);
}
.lit-icon {
  font-size: 18px;
  color: var(--blue);
}
.lit-search input {
  flex: 1 1 auto;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  outline: 0;
  font-family: var(--font-mono);
}
.lit-kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 6px;
  border: var(--rule);
  border-radius: 3px;
  color: var(--muted);
  background: var(--bg-tinted);
}
.lit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 0;
}
.lit-paper {
  padding: 22px 24px;
  border-right: var(--rule);
}
.lit-paper-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.lit-paper-tag { color: var(--blue); }
.lit-paper-doi { color: var(--muted); }
.lit-paper h4 {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 6px;
  line-height: 1.3;
  font-family: var(--font-serif);
  font-style: italic;
}
.lit-authors {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 14px;
}
.lit-abstract {
  font-size: 13px;
  line-height: 1.65;
  color: var(--fg);
  margin-bottom: 16px;
}
.lit-abstract mark {
  background: transparent;
  border-bottom: 1.5px solid currentColor;
  padding: 0 2px;
}
.hl-a, mark.hl-a { color: var(--blue); }
.hl-b, mark.hl-b { color: oklch(56% 0.16 30); }
.hl-c, mark.hl-c { color: oklch(58% 0.13 145); }

.lit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid currentColor;
  background: var(--surface);
  color: var(--muted);
  letter-spacing: 0.02em;
}
.chip-tag.a { background: color-mix(in oklch, var(--blue) 6%, var(--surface)); }
.chip-tag.b { background: oklch(96% 0.04 30); }
.chip-tag.c { background: color-mix(in oklch, var(--green) 6%, var(--surface)); }

.lit-matches {
  padding: 18px 20px;
  background: var(--bg-tinted);
}
.lm-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
}
.lm-head .dim { color: var(--muted); }
.lm-row {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 58px 28px;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  background: var(--surface);
  border: var(--rule);
  border-radius: 4px;
  margin-bottom: 6px;
}
.lm-row.hl-a { border-left: 3px solid var(--blue); }
.lm-row.hl-b { border-left: 3px solid oklch(56% 0.16 30); }
.lm-row.hl-c { border-left: 3px solid var(--green); }
.lm-sku {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.lm-body h5 {
  font-size: 13px;
  font-weight: 500;
  margin: 0 0 2px;
  color: var(--ink);
  line-height: 1.3;
}
.lm-spec {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.lm-price {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  text-align: right;
}
.lm-add {
  width: 26px; height: 26px;
  border: 1px solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  border-radius: 4px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}
.lm-add:hover { background: var(--ink); color: #fff; }
.lm-all {
  width: 100%;
  margin-top: 8px;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-align: center;
}
.lm-all:hover { background: color-mix(in oklch, var(--ink) 88%, black); }

/* ---- a.02 Shared cart ---- */
.cart-meta {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  padding: 22px 24px;
  border-bottom: var(--rule);
  align-items: center;
}
.cart-meta h4 {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--ink);
}
.cart-team {
  display: flex;
  align-items: center;
  gap: 0;
}
.cart-team .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  font-weight: 500;
  margin-left: -6px;
  border: 2px solid var(--surface);
}
.cart-team .avatar:first-child { margin-left: 0; }
.cart-team-lbl {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.cart-budget .mono {
  display: block;
  margin-bottom: 6px;
}
.budget-bar {
  height: 6px;
  background: var(--bg-tinted);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}
.budget-bar .bf {
  height: 100%;
  background: var(--blue);
  border-radius: 3px;
}
.budget-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}
.budget-text .dim { color: var(--muted); }

.cart-rows { padding: 8px 24px 0; }
.cart-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 60px 90px;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: var(--rule);
}
.cart-row .who {
  width: 30px; height: 30px;
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
}
.csku {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.cart-info h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin: 2px 0 4px;
  line-height: 1.3;
}
.cnote {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  font-style: italic;
}
.cqty, .cprice {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-size: 14px;
  color: var(--ink);
}
.cqty { color: var(--muted); }

.cart-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: var(--bg-tinted);
  flex-wrap: wrap;
}
.cart-foot .mono { color: var(--muted); }
.cart-sum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
}
.cart-disc {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  letter-spacing: 0.04em;
  background: color-mix(in oklch, var(--blue) 8%, var(--surface));
  padding: 3px 8px;
  border-radius: 3px;
}
.cart-foot .btn { margin-left: auto; }

/* ---- a.03 Citation + email ---- */
.cite-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 0;
}
.cite-block {
  padding: 18px 20px;
  border-right: var(--rule);
}
.cite-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}
.cite-tabs button {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  background: var(--bg-tinted);
  border: var(--rule);
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
}
.cite-tabs button.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.cite-pre {
  background: oklch(16% 0.012 250);
  color: oklch(86% 0.012 240);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  padding: 16px 18px;
  border-radius: 4px;
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.cite-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
.cite-actions .mono { margin-left: auto; }
.cite-actions .dim { color: var(--muted); }

.cite-mail { padding: 18px 20px; background: var(--bg-tinted); }
.mail-head {
  background: var(--surface);
  border: var(--rule);
  border-radius: 4px 4px 0 0;
}
.mail-line {
  display: grid;
  grid-template-columns: 60px 1fr;
  padding: 9px 14px;
  border-bottom: var(--rule);
  font-size: 12px;
  align-items: center;
}
.mail-line:last-child { border-bottom: 0; }
.mail-line span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mail-line b {
  font-weight: 500;
  color: var(--ink);
  font-size: 12.5px;
  font-family: var(--font-mono);
}
.mail-body {
  background: var(--surface);
  border: var(--rule);
  border-top: 0;
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg);
}
.mail-body p { margin: 0 0 10px; }
.mail-reagent {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink);
  padding: 4px 0;
  display: flex;
  gap: 6px;
}
.mail-reagent .num { color: var(--blue); }
.mail-attach {
  background: var(--surface);
  border: var(--rule);
  border-top: 0;
  padding: 12px 18px;
  border-radius: 0 0 4px 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.mail-attach .att {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  padding: 4px 8px;
  border: var(--rule);
  border-radius: 3px;
  background: var(--bg-tinted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.mail-attach .att i {
  font-style: normal;
  font-size: 9px;
  background: var(--ink);
  color: #fff;
  padding: 1px 5px;
  border-radius: 2px;
}

/* ---- a.04 ELN ---- */
.eln-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  gap: 0;
}
.eln-page {
  padding: 22px 26px;
  border-right: var(--rule);
  background: var(--surface);
}
.eln-meta {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: var(--rule);
  flex-wrap: wrap;
}
.eln-page h4 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 14px;
}
.eln-para {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--fg);
  margin: 0 0 14px;
}
.rgchip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background: color-mix(in oklch, var(--blue) 8%, var(--surface));
  border: 1px solid color-mix(in oklch, var(--blue) 30%, var(--border));
  border-radius: 3px;
  margin: 0 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}
.rgsku { color: var(--blue); font-weight: 500; }
.rgname { color: var(--ink); }
.rglot { color: var(--muted); }
.eln-result {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  background: var(--bg-tinted);
  border-left: 2px solid var(--blue);
  font-size: 13px;
  color: var(--ink);
  margin-bottom: 16px;
}
.eln-result .mono {
  color: var(--blue);
  font-weight: 500;
}
.eln-tools {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  padding-top: 12px;
  border-top: var(--rule);
  flex-wrap: wrap;
}
.eln-tools .dim { margin-left: auto; }

.eln-side {
  padding: 22px 22px;
  background: var(--bg-tinted);
}
.es-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
}
.es-head .ok { color: var(--green); }
.eln-side h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 4px;
  line-height: 1.3;
}
.es-sku {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  margin-bottom: 14px;
}
.eln-side dl {
  margin: 0 0 14px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px 14px;
  font-size: 12px;
}
.eln-side dl > div { display: contents; }
.eln-side dt {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.eln-side dd { margin: 0; color: var(--ink); font-variant-numeric: tabular-nums; }
.es-docs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 10px 0;
  border-top: var(--rule);
  border-bottom: var(--rule);
  margin-bottom: 12px;
}
.es-docs a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--surface);
  border: var(--rule);
  border-radius: 3px;
  cursor: pointer;
}
.es-docs a i {
  font-style: normal;
  color: var(--blue);
}
.es-note {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--muted);
}

/* ============================================================
   INDUSTRIAL mocks
   ============================================================ */

/* ---- b.01 Pricing ---- */
.pr-applied {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: var(--rule);
}
.pr-applied-left {
  padding: 22px 24px;
  border-right: var(--rule);
  background: color-mix(in oklch, var(--green) 6%, var(--surface));
}
.pr-applied-left .mono {
  display: block;
  color: var(--green);
  margin-bottom: 8px;
}
.pr-now {
  font-family: var(--font-mono);
  font-size: 38px;
  color: var(--ink);
  line-height: 1;
  font-weight: 500;
}
.pr-now .num { font-size: 44px; }
.pr-unit {
  font-size: 12px;
  color: var(--muted);
  margin-left: 10px;
  font-variant-numeric: tabular-nums;
}
.pr-savings {
  margin-top: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.pr-strike {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: line-through;
}
.pr-disc {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  padding: 2px 8px;
  border: 1px solid var(--green);
  border-radius: 3px;
  letter-spacing: 0.04em;
}
.pr-save {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
}

.pr-applied-right { padding: 22px 24px; }
.pr-contract .mono { color: var(--muted); display: block; margin-bottom: 6px; }
.pr-contract h5 {
  font-family: var(--font-mono);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  margin: 0 0 10px;
  color: var(--ink);
  font-weight: 500;
}
.pr-c-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.pr-table {
  padding: 0;
  border-bottom: var(--rule);
}
.pr-row {
  display: grid;
  grid-template-columns: 140px 1fr 80px 100px 120px;
  gap: 16px;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px dashed var(--hairline);
  font-size: 13px;
}
.pr-row:last-child { border-bottom: 0; }
.pr-row.mine {
  background: color-mix(in oklch, var(--green) 8%, var(--surface));
  font-weight: 500;
}
.pr-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.pr-row.mine .pr-tag { color: var(--green); }
.pr-name { color: var(--ink); }
.pr-disc, .pr-cell {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink);
}
.pr-row.mine .pr-cell { color: var(--green); font-weight: 500; font-size: 15px; }
.pr-state {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.04em;
  text-align: right;
}

.pr-ladder { padding: 18px 24px; background: var(--bg-tinted); }
.pr-ladder .mono { display: block; color: var(--muted); margin-bottom: 10px; }
.ladder {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: var(--rule);
  border-radius: 4px;
  background: var(--surface);
}
.ladder > div {
  padding: 12px 14px;
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ladder > div:last-child { border-right: 0; }
.ladder span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.ladder span:last-child {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-weight: 500;
}
.ladder .ladder-on {
  background: color-mix(in oklch, var(--green) 12%, var(--surface));
}
.ladder .ladder-on span:first-child { color: var(--green); }

/* ---- b.02 ePack ---- */
.ep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  gap: 0;
}
.ep-envelope {
  padding: 24px 26px;
  border-right: var(--rule);
}
.ep-env-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 16px;
  border-bottom: var(--rule);
  margin-bottom: 16px;
}
.ep-env-head h4 {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin: 6px 0 6px;
}
.ep-meta {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
  flex-wrap: wrap;
}
.ep-meta b { color: var(--ink); font-weight: 500; }
.ep-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}
.ep-qr .mono { font-size: 9px; }
.ep-qr-art {
  width: 72px; height: 72px;
  background:
    conic-gradient(from 45deg at 25% 25%, #000 25%, transparent 0) 0 0 / 12px 12px,
    conic-gradient(from 45deg at 75% 75%, #000 25%, transparent 0) 6px 6px / 12px 12px,
    var(--ink);
  border: 2px solid var(--ink);
  border-radius: 4px;
  position: relative;
}
.ep-qr-art::before, .ep-qr-art::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  background: var(--surface);
  border: 3px solid var(--ink);
  top: 4px; left: 4px;
}
.ep-qr-art::after {
  top: auto; left: auto;
  bottom: 4px; right: 4px;
}

.ep-docs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}
.ep-doc {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: var(--rule);
  border-radius: 4px;
  background: var(--surface);
}
.ep-doc-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 4px 6px;
  background: var(--green);
  color: #fff;
  border-radius: 3px;
  text-align: center;
}
.ep-doc-info h6 {
  font-size: 12.5px;
  font-weight: 500;
  margin: 0 0 2px;
  color: var(--ink);
  line-height: 1.3;
}
.ep-doc-info span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.ep-doc-size {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--muted);
}

.ep-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  align-items: end;
}
.ep-foot .mono { display: block; color: var(--muted); margin-bottom: 4px; }
.ep-hash {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink);
  letter-spacing: 0.02em;
  word-break: break-all;
}
.ep-cta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ep-side {
  padding: 24px 22px;
  background: var(--bg-tinted);
}
.ep-side h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ep-trace {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ep-trace li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--hairline);
  position: relative;
}
.ep-trace li:last-child { border-bottom: 0; }
.ep-trace .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  margin-top: 5px;
  position: relative;
}
.ep-trace .dot.ok { background: var(--green); }
.ep-trace .dot.now {
  background: oklch(58% 0.14 60);
  box-shadow: 0 0 0 4px color-mix(in oklch, oklch(58% 0.14 60) 25%, transparent);
}
.ep-trace li:not(:last-child) .dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 12px;
  bottom: -14px;
  width: 1px;
  background: var(--border);
  transform: translateX(-50%);
}
.ep-trace b {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 2px;
}
.ep-trace span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.ep-side-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: var(--rule);
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* ---- b.03 Pipeline ---- */
.pl-lanes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--bg-tinted);
}
.pl-lane {
  padding: 14px;
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pl-lane:last-child { border-right: 0; }
.pl-lane-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--surface);
  border-radius: 4px;
  border-top: 3px solid var(--accent);
  border-right: var(--rule);
  border-bottom: var(--rule);
  border-left: var(--rule);
}
.pl-lane-name {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.pl-lane-count {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 8px;
  background: var(--bg-tinted);
  border-radius: 999px;
  color: var(--muted);
}
.pl-card {
  background: var(--surface);
  border: var(--rule);
  border-radius: 4px;
  padding: 10px 12px;
  cursor: pointer;
}
.pl-card.now {
  border-color: var(--green);
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--green) 18%, transparent);
}
.pl-card.done { opacity: 0.85; }
.pl-card-id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.pl-card-title {
  font-size: 12.5px;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.4;
}
.pl-card-foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.pl-add {
  margin-top: 4px;
  width: 100%;
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 4px;
  cursor: pointer;
}
.pl-add:hover { color: var(--ink); border-color: var(--ink); }

.pl-trace {
  padding: 18px 24px;
  border-top: var(--rule);
  background: var(--surface);
}
.plt-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.plt-head .dim { color: var(--muted); }
.plt-line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.plt-stage {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border: var(--rule);
  border-radius: 3px;
  color: var(--muted);
  background: var(--bg-tinted);
}
.plt-stage.done {
  color: var(--green);
  border-color: var(--green);
  background: color-mix(in oklch, var(--green) 8%, var(--surface));
}
.plt-stage.now {
  color: oklch(58% 0.14 60);
  border-color: oklch(58% 0.14 60);
  background: oklch(96% 0.04 60);
  font-weight: 500;
}
.plt-arrow {
  font-family: var(--font-mono);
  color: var(--faint);
  font-size: 14px;
}

/* ---- b.04 Invoice + KYC ---- */
.inv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
  gap: 0;
}
.invoice {
  padding: 22px 26px;
  border-right: var(--rule);
  background:
    repeating-linear-gradient(45deg, color-mix(in oklch, var(--green) 4%, transparent) 0 8px, transparent 8px 16px),
    var(--surface);
}
.inv-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--green);
  margin-bottom: 14px;
}
.inv-title {
  font-size: 18px;
  font-weight: 500;
  color: oklch(38% 0.14 30);
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}
.inv-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.inv-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  line-height: 1.7;
}
.inv-no b { color: var(--ink); font-weight: 500; }
.inv-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 14px;
}
.inv-party {
  border: var(--rule);
  border-radius: 4px;
  padding: 12px 14px;
  background: var(--surface);
}
.inv-party .mono {
  color: var(--green);
  display: block;
  margin-bottom: 6px;
}
.inv-party h6 {
  font-size: 13px;
  font-weight: 500;
  margin: 0 0 10px;
  color: var(--ink);
}
.inv-party dl {
  margin: 0;
  display: grid;
  gap: 4px;
  font-size: 11px;
}
.inv-party dl > div { display: contents; }
.inv-party dt {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-top: 2px;
}
.inv-party dd { margin: 0 0 4px; color: var(--ink); }
.inv-party dd .num { font-family: var(--font-mono); }

.inv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 12px;
}
.inv-table th, .inv-table td {
  padding: 8px 10px;
  border: var(--rule);
  text-align: left;
}
.inv-table th {
  background: color-mix(in oklch, var(--green) 8%, var(--surface));
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.inv-table .r { text-align: right; }
.inv-table td.r, .inv-table th.r { white-space: nowrap; }
.inv-table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.inv-table .inv-sum td {
  background: var(--bg-tinted);
  font-weight: 500;
  color: var(--ink);
}
.inv-table .inv-sum td.r { font-size: 14px; color: var(--green); }

.inv-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  flex-wrap: wrap;
  gap: 10px;
}
.inv-seal {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--green);
  font-size: 13px;
  border: 1.5px solid var(--green);
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.inv-foot .dim { color: var(--muted); }

.kyc-side {
  padding: 24px 22px;
  background: var(--bg-tinted);
}
.kyc-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
}
.kyc-head .ok { color: var(--green); }
.kyc-side h5 {
  font-size: 15px;
  font-weight: 500;
  margin: 0 0 14px;
  color: var(--ink);
}
.kyc-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 16px;
  border-bottom: var(--rule);
  margin-bottom: 14px;
}
.kyc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--surface);
  border: var(--rule);
  border-radius: 3px;
  font-size: 12px;
  color: var(--ink);
}
.kyc-item.done { border-left: 2px solid var(--green); }
.kyc-item.warn { border-left: 2px solid oklch(58% 0.14 75); }
.kyc-item .ck {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
  flex: 0 0 auto;
}
.kyc-item.warn .ck { background: oklch(58% 0.14 75); }
.kyc-item .ck::after {
  content: "✓";
  color: #fff;
  font-size: 9px;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.kyc-item.warn .ck::after { content: "!"; }
.kyc-side-bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  font-size: 12px;
}
.kyc-side-bottom .mono { display: block; color: var(--muted); margin-bottom: 4px; }
.kyc-side-bottom b.ok { color: var(--green); font-weight: 500; }
.kyc-side-bottom .num {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 500;
}

/* ============================================================
   Bridge / cross-track footer
   ============================================================ */

.path-bridge {
  padding: 80px 0;
  background: oklch(18% 0.012 250);
  color: oklch(86% 0.01 250);
  border-bottom: 1px solid color-mix(in oklch, var(--accent) 30%, black);
}
.path-bridge[data-track="academic"] { border-bottom-color: color-mix(in oklch, var(--blue) 35%, black); }
.path-bridge[data-track="industrial"] { border-bottom-color: color-mix(in oklch, var(--green) 35%, black); }

.bridge-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}
.path-bridge .mono {
  color: oklch(70% 0.012 250);
  margin-bottom: 18px;
  display: block;
}
.path-bridge h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: -0.018em;
  line-height: 1.08;
}
.path-bridge h2 .em { font-style: normal; font-weight: 500; }
.path-bridge[data-track="academic"]  h2 .em { color: var(--green); }
.path-bridge[data-track="industrial"] h2 .em { color: var(--blue); }
.path-bridge p {
  font-size: 15px;
  line-height: 1.7;
  color: oklch(80% 0.01 250);
  margin: 0 0 28px;
  max-width: 520px;
}
.path-bridge .btn {
  background: #fff;
  color: oklch(18% 0.012 250);
  border-color: #fff;
}
.path-bridge .btn:hover { background: oklch(94% 0.008 250); border-color: oklch(94% 0.008 250); }

.bridge-mirror {
  background: oklch(22% 0.012 250);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 24px 26px;
}
.bridge-mirror .mono { color: oklch(60% 0.01 250); font-size: 10px; margin-bottom: 8px; }
.bridge-mirror h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 18px;
  color: #fff;
}
.path-bridge[data-track="academic"]  .bridge-mirror h3 { color: oklch(72% 0.13 145); }
.path-bridge[data-track="industrial"] .bridge-mirror h3 { color: oklch(72% 0.13 235); }
.bridge-mirror ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.bridge-mirror li {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 13.5px;
  color: oklch(86% 0.01 250);
}
.bridge-mirror li .ix {
  font-family: var(--font-mono);
  font-size: 11px;
  color: oklch(60% 0.01 250);
  letter-spacing: 0.02em;
}
.bridge-mirror li .qty {
  font-family: var(--font-mono);
  color: oklch(60% 0.01 250);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1100px) {
  .path-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .path-kpis { grid-template-columns: repeat(2, 1fr); }
  .path-kpi:nth-child(2) { border-right: 0; }
  .path-kpi:nth-child(1), .path-kpi:nth-child(2) { border-bottom: var(--rule); }
  .path-step .ps-grid, .path-step.reverse .ps-grid { grid-template-columns: 1fr; gap: 32px; }
  .path-step.reverse .ps-text { order: 1; }
  .path-step.reverse .ps-mock { order: 2; }
  .ps-text { position: static; }
  .lit-grid, .cite-grid, .eln-grid, .pr-applied, .ep-grid, .inv-grid {
    grid-template-columns: 1fr;
  }
  .lit-paper, .cite-block, .eln-page, .pr-applied-left, .ep-envelope, .invoice {
    border-right: 0;
    border-bottom: var(--rule);
  }
  .pl-lanes { grid-template-columns: repeat(2, 1fr); }
  .pl-lane:nth-child(2) { border-right: 0; }
  .pl-lane:nth-child(1), .pl-lane:nth-child(2) { border-bottom: var(--rule); }
  .bridge-grid { grid-template-columns: 1fr; gap: 32px; }
  .ladder { grid-template-columns: repeat(2, 1fr); }
  .ladder > div { border-right: 0; border-bottom: var(--rule); }
  .ep-docs, .inv-parties { grid-template-columns: 1fr; }
  .pr-row { grid-template-columns: 1fr auto; gap: 6px; }
  .pr-row .pr-state, .pr-row .pr-tag { display: none; }
}

@media (max-width: 720px) {
  .path-switch { flex-direction: column; align-items: stretch; }
  .ps-tab { border-right: 0; border-bottom: var(--rule); }
  .ps-meta { padding: 12px 18px; border-top: var(--rule); }
  .path-kpis { grid-template-columns: 1fr; }
  .path-kpi { border-right: 0; border-bottom: var(--rule); }
  .pl-lanes { grid-template-columns: 1fr; }
  .pl-lane { border-right: 0; border-bottom: var(--rule); }
  .cart-meta { grid-template-columns: 1fr; }
  .cart-row { grid-template-columns: 30px 1fr; }
  .cart-row .cqty, .cart-row .cprice { grid-column: 2; text-align: left; padding-top: 4px; }
}


/* Audience column CTA */
.aud-col {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.2s;
}
.aud-col:hover { background-color: color-mix(in oklch, var(--accent) 4%, var(--surface)); }
.aud-col.b:hover { background-color: color-mix(in oklch, var(--accent-2) 4%, var(--surface)); }
.aud-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 8px 14px;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  transition: background 0.15s, color 0.15s;
}
.aud-col.b .aud-cta { color: var(--accent-2); }
.aud-col:hover .aud-cta {
  background: var(--accent);
  color: #fff;
}
.aud-col.b:hover .aud-cta {
  background: var(--accent-2);
  color: #fff;
}