/* ===== Lab page shared styles ===== */

.masthead {
  border-bottom: 1px solid var(--ink);
}
.masthead-band {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 24px;
  padding: 14px var(--gutter);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  max-width: var(--max-w);
  margin: 0 auto;
}
.masthead-band .doc-id {
  color: var(--ink);
}
.masthead-band .sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--rule);
}

.masthead-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 105px var(--gutter) 56px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 80px;
  align-items: end;
}
.lab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  margin-bottom: 24px;
}
.lab-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cobalt);
}
.lab-title {
  font-family: var(--serif);
  font-size: clamp(64px, 9vw, 160px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 400;
}
.lab-title em {
  font-style: italic;
  color: var(--cobalt);
  font-weight: 300;
}
.lab-meta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-soft);
  overflow: hidden;
}
.lab-meta-cell {
  padding: 18px 20px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.lab-meta-cell:nth-child(2n) {
  border-right: 0;
}
.lab-meta-cell:nth-last-child(-n + 2) {
  border-bottom: 0;
}
.lab-meta-cell .lk {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.lab-meta-cell .lv {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 6px;
}
.lab-meta-cell .lv .unit {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-mute);
  margin-left: 4px;
  font-weight: 500;
}

.lab-intro {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter) 64px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}
.lab-intro p {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.lab-intro p em {
  color: var(--cobalt);
  font-style: italic;
}

/* Disciplines */
.disc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.disc-card {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 32px 28px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--paper);
  transition: background 200ms ease;
}
.disc-card:hover {
  background: var(--paper-soft);
}
.disc-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.disc-name {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.disc-desc {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
  flex: 1;
}
.disc-foot {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px dashed var(--rule);
}

/* Featured case */
.feat-case {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  padding-top: 16px;
  align-items: stretch;
}
.feat-vis {
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  min-height: 480px;
}
.feat-vis-stamp {
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(244, 239, 227, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 32px;
}
.feat-vis svg {
  width: 100%;
  height: 280px;
}
.feat-vis-readout {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
}
.feat-vis-readout .rk {
  color: rgba(244, 239, 227, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.feat-vis-readout .rv {
  color: var(--paper);
  font-size: 16px;
  margin-top: 4px;
}
.feat-content {
  padding: 8px 0;
}
.feat-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cobalt);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 20px;
}
.feat-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cobalt);
}
.feat-title {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.feat-summary {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.55;
  margin-top: 20px;
  max-width: 50ch;
}
.feat-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.feat-stat-val {
  font-family: var(--serif);
  font-size: 36px;
  letter-spacing: -0.018em;
  line-height: 1;
}
.feat-stat-val .unit {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-mute);
  font-weight: 500;
  margin-left: 2px;
}
.feat-stat-label {
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 6px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.feat-cta {
  margin-top: 32px;
}

/* Regulatory / Standards */
.reg-block {
  background: var(--paper-deep);
  border-radius: 6px;
  padding: 48px;
  margin-top: 16px;
}
.reg-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.reg-head h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
  letter-spacing: -0.018em;
  font-weight: 400;
}
.reg-head .aside {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.reg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  margin-top: 24px;
}
.reg-cell {
  background: var(--paper-deep);
  padding: 24px 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.reg-cell .rc-name {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.015em;
  line-height: 1;
}
.reg-cell .rc-since {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.reg-cell .rc-desc {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-top: 8px;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 16px;
}
.team-card {
  border-top: 1.5px solid var(--ink);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.team-portrait {
  aspect-ratio: 4/5;
  background: var(--paper-deep);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  display: grid;
  place-items: center;
}
.team-portrait svg {
  width: 100%;
  height: 100%;
}
.team-name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.team-role {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.team-stat {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
}

/* Timeline */
.timeline {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.tl-row {
  display: grid;
  grid-template-columns: 100px 1fr 1.5fr 100px;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background 160ms ease;
}
.tl-row:hover {
  background: var(--paper-soft);
  padding-left: 12px;
  padding-right: 12px;
  margin-left: -12px;
  margin-right: -12px;
}
.tl-year {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
}
.tl-event {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.012em;
}
.tl-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.tl-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  text-align: right;
}

/* Stack block (principles + stack list) */
.stack-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  padding-top: 16px;
}
.principles {
  display: flex;
  flex-direction: column;
}
.principle {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
}
.principle:last-child {
  border-bottom: 1px solid var(--rule);
}
.principle-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  padding-top: 4px;
}
.principle h4 {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: -0.015em;
  line-height: 1.1;
  font-weight: 400;
}
.principle p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
  max-width: 52ch;
}
.stack-list {
  background: var(--ink);
  color: var(--paper);
  padding: 32px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  height: fit-content;
}
.stack-list .stack-head {
  color: rgba(244, 239, 227, 0.5);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(244, 239, 227, 0.18);
}
.stack-list .stack-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 4px 0;
}
.stack-list .stack-row .k {
  color: rgba(244, 239, 227, 0.5);
}
.stack-list .stack-row .v {
  color: var(--paper);
}

/* Shared section head + CTA + footer (so individual lab pages don't duplicate) */
.section-head {
  align-items: end;
  gap: 24px;
  padding: 28px 0 20px;
  border-top: 1.5px solid var(--ink);
}
.section-head .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  padding-top: 8px;
}
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.018em;
}
.section-head .aside {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  text-align: right;
  padding-bottom: 6px;
}

.cta {
  background: var(--ink);
  color: var(--paper);
  margin-top: 96px;
}
.cta-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
}
.cta-headline {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 100px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.cta-headline em {
  color: var(--cobalt);
  font-style: italic;
  font-weight: 300;
}
.cta-side .label {
  color: rgba(244, 239, 227, 0.6);
  margin-bottom: 14px;
}
.cta-side p {
  color: rgba(244, 239, 227, 0.85);
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 24px;
  max-width: 36ch;
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta .btn {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.cta .btn:hover {
  background: var(--cobalt);
  color: var(--paper);
  border-color: var(--cobalt);
}
.cta .btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
}
.cta .btn-ghost:hover {
  background: var(--paper);
  color: var(--ink);
}
footer {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0 32px;
}
.foot-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(244, 239, 227, 0.18);
}
.foot-brand p {
  margin-top: 18px;
  color: rgba(244, 239, 227, 0.65);
  font-size: 13px;
  max-width: 32ch;
  line-height: 1.55;
}
.foot-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(244, 239, 227, 0.5);
  margin-bottom: 18px;
  font-weight: 400;
}
.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.foot-col a {
  font-size: 13px;
  color: rgba(244, 239, 227, 0.85);
  transition: color 160ms ease;
}
.foot-col a:hover {
  color: var(--cobalt);
}
.foot-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px var(--gutter) 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(244, 239, 227, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.foot-bottom .center {
  text-align: center;
}
.foot-bottom .right {
  text-align: right;
}

@media (max-width: 960px) {
  .masthead-body,
  .lab-intro,
  .feat-case,
  .stack-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .disc-grid {
    grid-template-columns: 1fr 1fr;
  }
  .reg-grid {
    grid-template-columns: 1fr 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
  .tl-row {
    grid-template-columns: 80px 1fr;
  }
  .tl-desc,
  .tl-meta {
    grid-column: 2;
  }
  .nav-links {
    display: none;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .disc-grid,
  .reg-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
  .foot-grid {
    grid-template-columns: 1fr;
  }
}