/*
 * BIOTEN Developer V2.3
 * Design read: targeted evolution for packaging developers and engineering teams.
 * Dials: DESIGN_VARIANCE 7 / MOTION_INTENSITY 6 / VISUAL_DENSITY 6.
 * Theme: continuous light engineering canvas. Blue is interaction; green is verified state and primary action.
 * Shape system: panels 18px, cards 14px, actions 8px, status labels 6px.
 */

:root {
  --dv23-section-space: clamp(64px, 6.2vw, 88px);
  --dv23-section-space-compact: clamp(54px, 5.4vw, 76px);
  --dv23-card-gap: clamp(10px, 1.15vw, 14px);
  --dv23-rail-bg: rgba(255, 255, 255, .9);
}

body.dv23-page {
  text-rendering: optimizeLegibility;
}

body.dv23-page .dv2-section {
  padding-block: var(--dv23-section-space);
}

body.dv23-page .dv2-section__head,
body.dv23-page .dv21-section-intro {
  max-width: 800px;
  margin-bottom: clamp(28px, 3.2vw, 40px);
}

body.dv23-page .dv2-section__head h2,
body.dv23-page .dv21-section-intro h2 {
  max-width: 780px;
  font-size: clamp(2.15rem, 3.75vw, 3.75rem);
  line-height: 1.035;
}

body.dv23-page .dv2-section__head p,
body.dv23-page .dv21-section-intro > p:last-child {
  max-width: 62ch;
  margin-top: 14px;
  line-height: 1.68;
}

body.dv23-page .dv2-actions {
  gap: 10px;
  margin-top: 24px;
}

body.dv23-page .dv2-action:active {
  transform: translateY(1px) scale(.985);
}

body.dv23-page .dv2-final {
  padding-block: clamp(72px, 7vw, 96px);
}

body.dv23-page .dv2-final h2 {
  max-width: 850px;
  font-size: clamp(2.35rem, 4.5vw, 4.45rem);
}

body.dv23-page .dv2-final p {
  margin-top: 18px;
  line-height: 1.68;
}

/* Homepage: the field choice follows the hero without an intervening directory strip. */
body.dv23-page .dv21-hero__grid {
  min-height: min(700px, calc(100dvh - 72px));
  grid-template-columns: minmax(0, 1.06fr) minmax(440px, .94fr);
  gap: clamp(30px, 3.8vw, 56px);
}

body.dv23-page .dv21-hero__copy {
  padding-block: 64px 58px;
}

html body.dv23-page.dv21-page #main-content .dv21-hero h1 {
  max-width: 680px !important;
  font-size: clamp(3rem, 4vw, 3.55rem) !important;
  line-height: 1.045 !important;
}

body.dv23-page .dv21-hero__lead {
  max-width: 570px;
  margin-top: 20px;
  font-size: clamp(.98rem, 1.12vw, 1.08rem);
  line-height: 1.68;
}

body.dv23-page .dv21-hero__media {
  min-height: 440px;
  max-height: 500px;
  grid-template-rows: minmax(0, 1fr);
  margin-block: 34px;
}

body.dv23-page .dv21-hero__media figcaption {
  bottom: 16px;
}

body.dv23-page .dv2-local-nav__inner {
  min-height: 50px;
}

body.dv23-page .dv21-domain-explorer {
  padding-block: clamp(64px, 6.8vw, 92px) clamp(70px, 7.4vw, 102px);
}

body.dv23-page .dv21-domain-tabs {
  gap: 12px;
}

html body.dv23-page.dv21-page #main-content button.dv21-domain-tab {
  min-height: 270px !important;
  padding-bottom: 18px !important;
}

body.dv23-page .dv21-domain-tab__media {
  height: 118px;
  margin-bottom: 16px;
}

body.dv23-page .dv21-domain-tab__number,
body.dv23-page .dv21-domain-tab > strong,
body.dv23-page .dv21-domain-tab__copy {
  margin-inline: 18px;
}

body.dv23-page .dv21-domain-tab > strong {
  margin-top: 7px;
}

body.dv23-page .dv21-domain-tab__copy {
  margin-top: 7px;
  line-height: 1.5;
}

body.dv23-page .dv21-domain-panels {
  margin-top: 16px;
}

body.dv23-page .dv21-domain-panel {
  padding: clamp(26px, 3vw, 38px);
}

body.dv23-page .dv21-domain-panel__intro {
  grid-template-columns: minmax(245px, .72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 4.5vw, 64px);
  padding-bottom: 24px;
}

body.dv23-page .dv21-domain-panel__intro h3 {
  margin-top: 9px;
  font-size: clamp(1.6rem, 2.5vw, 2.45rem);
}

body.dv23-page .dv21-domain-panel__intro > p {
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  line-height: 1.55;
}

body.dv23-page .dv21-domain-panel__body {
  grid-template-columns: 1fr;
  gap: 0;
  padding-top: 24px;
}

body.dv23-page .dv21-problem-list ul {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 14px;
  border-top: 1px solid var(--dv22-line);
  border-bottom: 1px solid var(--dv22-line);
}

body.dv23-page .dv21-problem-list li {
  min-height: 70px;
  display: flex;
  align-items: center;
  padding: 12px 16px 12px 28px;
  border-right: 1px solid var(--dv22-line);
  font-size: .8rem;
  line-height: 1.48;
}

body.dv23-page .dv21-problem-list li:last-child {
  border-right: 0;
}

body.dv23-page .dv21-problem-list li::before {
  top: 50%;
  left: 14px;
}

body.dv23-page .dv21-domain-panel__actions {
  margin-top: 22px;
  padding-top: 20px;
}

body.dv23-page .dv21-boundary-note {
  margin-top: 14px;
}

/* One compact common path replaces repeated field-level five-step lists. */
body.dv23-page .dv21-progressive {
  padding-block: clamp(64px, 6.2vw, 82px);
}

body.dv23-page .dv21-progressive .dv21-section-intro--split {
  max-width: 850px;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
}

body.dv23-page .dv21-progressive .dv21-section-intro--split > p {
  max-width: 62ch;
  margin: 14px 0 0 !important;
}

body.dv23-page .dv21-progressive-steps li,
body.dv23-page .dv21-progressive-steps li:not(:first-child) {
  min-height: 142px;
  padding: 22px 20px;
}

body.dv23-page .dv21-progressive-steps strong {
  margin-top: 0;
  font-size: 1rem;
}

body.dv23-page .dv21-progressive-steps p {
  margin-top: 9px;
  line-height: 1.55;
}

/* Homepage resources: four route cards instead of a complete data directory. */
body.dv23-page .dv2-asset-map {
  gap: var(--dv23-card-gap);
}

body.dv23-page .dv2-asset,
body.dv23-page .dv2-asset:nth-child(n) {
  min-height: 214px;
  grid-column: span 6;
  padding: 22px;
}

body.dv23-page .dv2-asset:nth-child(1) {
  grid-column: span 7;
}

body.dv23-page .dv2-asset:nth-child(2) {
  grid-column: span 5;
}

body.dv23-page .dv2-asset:nth-child(3) {
  grid-column: span 5;
}

body.dv23-page .dv2-asset:nth-child(4) {
  grid-column: span 7;
}

body.dv23-page .dv2-asset h3 {
  margin: 28px 0 10px;
  font-size: clamp(1.22rem, 1.8vw, 1.75rem);
}

body.dv23-page .dv2-asset p {
  line-height: 1.6;
}

body.dv23-page .dv2-asset .dv2-text-link {
  padding-top: 18px;
}

/* Three high-frequency tools remain on the homepage; the full tool page carries the rest. */
body.dv23-page .dv2-tool-row {
  grid-template-columns: 104px minmax(210px, .72fr) minmax(280px, 1fr) auto;
  min-height: 92px;
  gap: 20px;
  padding: 14px 8px;
}

body.dv23-page .dv2-tool-row strong {
  font-size: clamp(1.08rem, 1.55vw, 1.42rem);
}

body.dv23-page .dv2-tool-row p {
  line-height: 1.55;
}

.dv23-tools-all {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
}

.dv23-tools-all p {
  max-width: 58ch;
  margin: 0;
  color: var(--dv22-muted);
  font-size: .78rem;
  line-height: 1.55;
}

/* Evidence boundaries and publication review are one decision block. */
.dv23-boundary-definitions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: clamp(30px, 3.5vw, 46px);
  border-block: 1px solid var(--dv22-line);
}

.dv23-boundary-definitions article {
  min-height: 136px;
  padding: 20px 18px;
  border-right: 1px solid var(--dv22-line);
}

.dv23-boundary-definitions article:last-child {
  border-right: 0;
}

.dv23-boundary-definitions strong {
  display: block;
  font-size: .85rem;
  line-height: 1.42;
}

.dv23-boundary-definitions span {
  display: block;
  margin-top: 18px;
  color: var(--dv22-muted);
  font-size: .72rem;
  line-height: 1.55;
}

body.dv23-page .dv2-evidence-contract {
  grid-template-columns: minmax(270px, .68fr) minmax(0, 1.32fr);
  gap: clamp(40px, 5.5vw, 76px);
}

body.dv23-page .dv2-evidence-contract__intro {
  top: 140px;
}

body.dv23-page .dv2-evidence-contract__intro h2 {
  font-size: clamp(2.05rem, 3.5vw, 3.45rem);
}

body.dv23-page .dv2-evidence-contract__intro p {
  margin-top: 16px;
  line-height: 1.65;
}

body.dv23-page .dv2-gate {
  grid-template-columns: 88px minmax(170px, .48fr) 1fr;
  gap: 20px;
  padding-block: 20px;
}

body.dv23-page .dv2-gate p {
  line-height: 1.55;
}

/* Participation uses flat editorial columns so the field selector remains the primary card system. */
body.dv23-page .dv21-network-grid article {
  min-height: 218px;
  padding-block: 24px;
}

body.dv23-page .dv21-network-grid h3 {
  margin-top: 30px;
}

body.dv23-page .dv21-network-grid p {
  margin: 12px 0 20px;
  line-height: 1.62;
}

/* Desktop long-page locator. It communicates position and uses no scroll listener. */
.dv23-journey-nav {
  position: fixed;
  z-index: 15;
  top: 50%;
  right: 14px;
  width: 82px;
  display: grid;
  gap: 3px;
  padding: 8px;
  border: 1px solid rgba(22, 107, 199, .18);
  border-radius: 14px;
  background: var(--dv23-rail-bg);
  box-shadow: 0 14px 36px rgba(31, 84, 120, .1);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  transform: translateY(-50%);
}

.dv23-journey-nav a {
  position: relative;
  min-height: 36px;
  display: grid;
  place-items: center;
  padding: 7px 6px;
  border-radius: 8px;
  color: var(--dv22-muted);
  font-size: .66rem;
  font-weight: 720;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: color .18s ease, background .18s ease, transform .18s ease;
}

.dv23-journey-nav a:hover {
  background: var(--dv22-blue-pale);
  color: var(--dv22-blue-strong);
  transform: translateX(-2px);
}

.dv23-journey-nav a[aria-current="step"] {
  background: linear-gradient(135deg, var(--dv22-blue-soft), var(--dv22-green-soft));
  color: var(--dv22-blue-strong);
  box-shadow: inset 3px 0 0 var(--dv22-green);
}

.dv23-journey-nav a:focus-visible {
  outline: 3px solid var(--dv2-focus);
  outline-offset: 2px;
}

#domain-explorer,
#workflow,
#engineering-records,
#developer-tools-preview,
#evidence-review,
#participation,
#project-inputs {
  /* Global scroll-padding already reserves the sticky shell. Avoid doubling it. */
  scroll-margin-top: 0;
}

/* Domain pages: two-line desktop headlines and shorter decision sections. */
body.dv23-page .dv21-domain-hero {
  padding: 24px 0 clamp(54px, 5.7vw, 76px);
}

body.dv23-page .dv21-domain-hero__layout {
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, .65fr);
  gap: clamp(42px, 5vw, 70px);
  padding-top: clamp(40px, 4.8vw, 64px);
}

html body.dv23-page.dv21-domain-page #main-content .dv21-domain-hero h1 {
  max-width: 830px !important;
  font-size: clamp(3rem, 4.15vw, 4.15rem) !important;
  line-height: 1.03 !important;
}

body.dv23-page .dv21-domain-hero .dv2-lead {
  max-width: 710px;
  margin-top: 18px;
  line-height: 1.66;
}

body.dv23-page .dv21-domain-summary article {
  padding: 17px 20px;
}

body.dv23-page .dv21-domain-summary strong {
  margin-top: 6px;
  line-height: 1.48;
}

.dv23-scope-gate {
  display: grid;
  grid-template-columns: minmax(180px, .85fr) repeat(3, minmax(0, 1fr));
  align-items: stretch;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--dv22-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 16px 42px rgba(31, 84, 120, .055);
}

.dv23-scope-gate > strong,
.dv23-scope-gate article {
  min-height: 76px;
  display: grid;
  align-content: center;
  padding: 14px 18px;
}

.dv23-scope-gate > strong {
  color: var(--dv22-ink);
  font-size: .88rem;
}

.dv23-scope-gate article {
  position: relative;
  border-left: 1px solid var(--dv22-line);
}

.dv23-scope-gate article::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--dv22-green);
}

.dv23-scope-gate article:nth-of-type(2)::before { background: #e0a52f; }
.dv23-scope-gate article:nth-of-type(3)::before { background: #d06755; }

.dv23-scope-gate span {
  color: var(--dv22-ink);
  font-size: .78rem;
  font-weight: 760;
}

.dv23-scope-gate p {
  margin: 4px 0 0;
  color: var(--dv22-muted);
  font-size: .68rem;
  line-height: 1.4;
}

body.dv23-page .dv21-domain-switch a {
  min-height: 50px;
  display: flex;
  align-items: center;
  padding: 12px 18px;
}

body.dv23-page .dv21-problem-grid {
  gap: 10px;
}

body.dv23-page .dv21-problem-grid article {
  min-height: 188px;
  padding: 20px;
}

body.dv23-page .dv21-problem-grid h3 {
  margin-top: 0;
}

body.dv23-page .dv21-problem-grid p {
  margin-top: 10px;
  line-height: 1.6;
}

body.dv23-page .dv21-domain-stages li {
  grid-template-columns: 1fr;
  gap: 0;
  padding-block: 18px;
}

body.dv23-page .dv21-domain-stages p {
  max-width: 760px;
  margin-top: 6px;
  line-height: 1.58;
}

body.dv23-page .dv21-deep-links {
  gap: 10px;
}

body.dv23-page .dv21-deep-links a {
  min-height: 210px;
  padding: 20px;
}

body.dv23-page .dv21-deep-links strong {
  margin-top: 28px;
}

body.dv23-page .dv21-deep-links p {
  margin-top: 10px;
  line-height: 1.56;
}

body.dv23-page .dv21-boundary {
  grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 5vw, 70px);
}

body.dv23-page .dv21-boundary h2 {
  font-size: clamp(2rem, 3.35vw, 3.35rem);
}

body.dv23-page .dv21-boundary > div:last-child {
  line-height: 1.65;
}

/* Domain-aware context on shared professional pages. */
.dv23-context-bar {
  border-bottom: 1px solid var(--dv22-line);
  background: linear-gradient(90deg, var(--dv22-blue-pale), #fff 58%, var(--dv22-green-soft));
}

.dv23-context-bar__inner {
  min-height: 64px;
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: 14px;
}

.dv23-context-bar span {
  color: var(--dv22-blue-strong);
  font-family: var(--dv2-mono);
  font-size: .65rem;
  font-weight: 760;
}

.dv23-context-bar strong {
  color: var(--dv22-ink);
  font-size: .86rem;
}

.dv23-context-bar p {
  margin: 0;
  color: var(--dv22-muted);
  font-size: .72rem;
  line-height: 1.45;
}

.dv23-context-bar a {
  color: var(--dv22-blue-strong);
  font-size: .73rem;
  font-weight: 720;
  text-decoration: none;
}

.dv23-context-bar a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Challenges and shared page intros. */
body.dv23-page .dv2-page-intro {
  padding-block: clamp(54px, 5.8vw, 78px);
}

body.dv23-page .dv2-page-intro h1 {
  font-size: clamp(2.85rem, 5.2vw, 5rem);
}

body.dv23-page .dv2-domain-panel {
  min-height: 430px;
}

body.dv23-page .dv2-domain-panel__intro {
  padding: 26px;
}

body.dv23-page .dv2-domain-panel__issues {
  padding: 22px 26px;
}

body.dv23-page .dv2-issue {
  min-height: 112px;
  padding: 15px;
}

body.dv23-page .dv2-challenge {
  gap: 18px;
  padding: 20px;
}

body.dv23-page .dv2-filter-status {
  width: fit-content;
  margin: -8px 0 18px;
  padding: 8px 12px;
  border: 1px solid rgba(22, 107, 199, .2);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--dv22-blue-pale), var(--dv22-green-soft));
  color: var(--dv22-blue-strong);
  font-family: var(--dv2-mono);
  font-size: .68rem;
  font-weight: 760;
}

body.dv23-page .dv2-challenge[hidden] { display: none; }

body.dv23-page .dv2-review-chain article {
  min-height: 152px;
  padding: 20px;
}

body.dv23-page .dv2-review-chain strong {
  margin-top: 28px;
}

@media (max-width: 1260px) {
  .dv23-journey-nav { display: none; }
}

@media (max-width: 1080px) {
  body.dv23-page .dv21-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, .88fr);
  }

  body.dv23-page .dv2-tool-row {
    grid-template-columns: 84px minmax(190px, .68fr) 1fr;
  }

  body.dv23-page .dv2-tool-row .dv2-text-link {
    grid-column: 2 / -1;
  }

  .dv23-boundary-definitions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dv23-boundary-definitions article:nth-child(3) { border-right: 0; }
  .dv23-boundary-definitions article:nth-child(n+4) { border-top: 1px solid var(--dv22-line); }
}

@media (max-width: 880px) {
  body.dv23-page .dv21-hero__grid,
  body.dv23-page .dv21-domain-hero__layout,
  body.dv23-page .dv21-boundary,
  body.dv23-page .dv2-evidence-contract {
    grid-template-columns: 1fr;
  }

  body.dv23-page .dv21-hero__copy {
    padding-block: 58px 42px;
  }

  body.dv23-page .dv21-hero__media {
    min-height: 0;
    margin: 0 0 34px;
  }

  body.dv23-page .dv21-domain-panel__intro {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  body.dv23-page .dv21-problem-list ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.dv23-page .dv21-problem-list li:nth-child(2) { border-right: 0; }
  body.dv23-page .dv21-problem-list li:nth-child(n+3) { border-top: 1px solid var(--dv22-line); }

  body.dv23-page .dv2-evidence-contract__intro {
    position: static;
  }

  body.dv23-page .dv21-domain-hero__layout {
    gap: 28px;
  }

  .dv23-context-bar__inner {
    grid-template-columns: auto 1fr auto;
    padding-block: 12px;
  }

  .dv23-context-bar p {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .dv23-context-bar a:last-child { display: none; }
}

@media (max-width: 620px) {
  :root {
    --dv23-section-space: 52px;
    --dv23-section-space-compact: 46px;
  }

  body.dv23-page .dv2-section__head,
  body.dv23-page .dv21-section-intro {
    margin-bottom: 26px;
  }

  body.dv23-page .dv2-section__head h2,
  body.dv23-page .dv21-section-intro h2 {
    font-size: clamp(2rem, 9.6vw, 2.65rem);
    line-height: 1.06;
  }

  body.dv23-page .dv2-section__head p,
  body.dv23-page .dv21-section-intro > p:last-child {
    line-height: 1.62;
  }

  body.dv23-page .dv2-final {
    padding-block: 54px;
  }

  body.dv23-page .dv2-final h2 {
    font-size: clamp(2.2rem, 10.6vw, 3rem);
  }

  body.dv23-page .dv2-actions .dv2-action {
    width: 100%;
  }

  body.dv23-page .dv21-hero__copy {
    padding-block: 42px 34px;
  }

  html body.dv23-page.dv21-page #main-content .dv21-hero h1 {
    font-size: clamp(2.35rem, 10.8vw, 3rem) !important;
    line-height: 1.045 !important;
  }

  body.dv23-page .dv21-hero__lead {
    margin-top: 16px;
    font-size: .94rem;
    line-height: 1.62;
  }

  body.dv23-page .dv21-hero__media {
    border-radius: 12px;
  }

  body.dv23-page .dv21-hero__media img {
    aspect-ratio: 16 / 8.4;
    object-fit: cover;
  }

  body.dv23-page .dv21-hero__media figcaption {
    bottom: 8px;
    font-size: .58rem;
  }

  body.dv23-page .dv21-domain-explorer {
    padding-block: 50px 56px;
  }

  body.dv23-page .dv21-domain-tabs {
    gap: 8px;
  }

  html body.dv23-page.dv21-page #main-content button.dv21-domain-tab {
    min-height: 174px !important;
    padding-bottom: 13px !important;
  }

  body.dv23-page .dv21-domain-tab__media {
    height: 76px;
    margin-bottom: 10px;
  }

  body.dv23-page .dv21-domain-tab__number,
  body.dv23-page .dv21-domain-tab > strong,
  body.dv23-page .dv21-domain-tab__copy {
    margin-inline: 11px;
  }

  body.dv23-page .dv21-domain-tab__number {
    font-size: .54rem;
  }

  body.dv23-page .dv21-domain-tab > strong {
    font-size: .83rem;
    line-height: 1.35;
  }

  body.dv23-page .dv21-domain-panel {
    padding: 20px 16px;
  }

  body.dv23-page .dv21-domain-panel__intro {
    padding-bottom: 18px;
  }

  body.dv23-page .dv21-domain-panel__intro h3 {
    font-size: 1.55rem;
  }

  body.dv23-page .dv21-domain-panel__intro > p {
    font-size: .94rem;
  }

  body.dv23-page .dv21-domain-panel__body {
    padding-top: 18px;
  }

  body.dv23-page .dv21-problem-list li {
    min-height: 62px;
    padding: 10px 10px 10px 22px;
    font-size: .71rem;
  }

  body.dv23-page .dv21-problem-list li::before {
    left: 9px;
  }

  body.dv23-page .dv21-domain-panel__actions {
    align-items: stretch;
    gap: 14px;
    margin-top: 18px;
    padding-top: 18px;
  }

  body.dv23-page .dv21-progressive {
    padding-block: 50px;
  }

  body.dv23-page .dv21-progressive-steps,
  body.dv23-page .dv2-tool-list,
  body.dv23-page .dv21-deep-links,
  body.dv23-page .dv21-domain-summary {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(238px, 82%);
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 0 0 10px;
    border: 0;
    background: transparent;
    scroll-snap-type: inline mandatory;
    scrollbar-color: rgba(22, 107, 199, .28) transparent;
    scrollbar-width: thin;
  }

  body.dv23-page .dv21-progressive-steps::before {
    display: none;
  }

  body.dv23-page .dv21-progressive-steps li,
  body.dv23-page .dv21-progressive-steps li:not(:first-child) {
    min-height: 154px;
    padding: 20px;
    border: 1px solid rgba(22, 107, 199, .18);
    border-radius: 12px;
    background: rgba(255, 255, 255, .72);
    scroll-snap-align: start;
  }

  body.dv23-page .dv2-asset-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  body.dv23-page .dv2-asset,
  body.dv23-page .dv2-asset:nth-child(n) {
    min-height: 206px;
    grid-column: span 1;
    padding: 15px;
  }

  body.dv23-page .dv2-asset h3 {
    margin-top: 20px;
    font-size: 1.02rem;
  }

  body.dv23-page .dv2-asset p {
    font-size: .72rem;
    line-height: 1.52;
  }

  body.dv23-page .dv2-asset .dv2-text-link {
    padding-top: 14px;
    font-size: .73rem;
  }

  body.dv23-page .dv2-tool-row {
    min-height: 214px;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 12px;
    padding: 20px;
    border: 1px solid var(--dv22-line);
    border-radius: 12px;
    background: #fff;
    scroll-snap-align: start;
  }

  body.dv23-page .dv2-tool-row p,
  body.dv23-page .dv2-tool-row .dv2-text-link {
    grid-column: 1;
  }

  .dv23-tools-all {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 12px;
  }

  .dv23-boundary-definitions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 30px;
  }

  .dv23-boundary-definitions article {
    min-height: 142px;
    padding: 16px 14px;
    border-top: 1px solid var(--dv22-line);
  }

  .dv23-boundary-definitions article:nth-child(-n+2) { border-top: 0; }
  .dv23-boundary-definitions article:nth-child(2n) { border-right: 0; }
  .dv23-boundary-definitions article:last-child {
    grid-column: 1 / -1;
    min-height: 118px;
  }

  .dv23-boundary-definitions span {
    margin-top: 12px;
  }

  body.dv23-page .dv2-gates {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    border: 0;
    background: transparent;
  }

  body.dv23-page .dv2-gate {
    min-height: 210px;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 9px;
    padding: 16px;
    border: 1px solid var(--dv22-line);
    border-radius: 12px;
  }

  body.dv23-page .dv2-gate p {
    grid-column: 1;
    font-size: .72rem;
  }

  body.dv23-page .dv21-network-grid article {
    min-height: 0;
    padding-block: 20px;
  }

  body.dv23-page .dv21-network-grid h3 {
    margin-top: 20px;
  }

  body.dv23-page .dv21-domain-hero {
    padding: 16px 0 46px;
  }

  body.dv23-page .dv21-domain-hero__layout {
    gap: 24px;
    padding-top: 34px;
  }

  html body.dv23-page.dv21-domain-page #main-content .dv21-domain-hero h1 {
    font-size: clamp(2.25rem, 10.4vw, 2.75rem) !important;
    line-height: 1.045 !important;
  }

  body.dv23-page .dv21-domain-hero .dv2-lead {
    margin-top: 15px;
    font-size: .92rem;
    line-height: 1.58;
  }

  body.dv23-page .dv21-domain-summary article {
    min-height: 150px;
    padding: 16px;
    border: 1px solid var(--dv22-line);
    border-radius: 12px;
    scroll-snap-align: start;
  }

  .dv23-scope-gate {
    grid-template-columns: 1fr;
    margin-top: 20px;
  }

  .dv23-scope-gate > strong,
  .dv23-scope-gate article {
    min-height: 0;
    padding: 12px 15px;
  }

  .dv23-scope-gate article {
    grid-template-columns: minmax(94px, .7fr) 1fr;
    align-items: center;
    border-top: 1px solid var(--dv22-line);
    border-left: 0;
  }

  .dv23-scope-gate p { margin: 0; }

  body.dv23-page .dv21-domain-switch {
    position: sticky;
    top: var(--header-height, 64px);
  }

  body.dv23-page .dv21-domain-switch .dv2-shell {
    width: 100%;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
  }

  body.dv23-page .dv21-domain-switch .dv2-shell::-webkit-scrollbar { display: none; }

  body.dv23-page .dv21-domain-switch a {
    min-width: 43%;
    min-height: 54px;
    flex: 0 0 auto;
    justify-content: center;
    padding: 10px 12px;
    border-bottom: 0;
    font-size: .68rem;
    text-align: center;
    scroll-snap-align: start;
  }

  body.dv23-page .dv21-problem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  body.dv23-page .dv21-problem-grid article {
    min-height: 170px;
    padding: 15px;
  }

  body.dv23-page .dv21-problem-grid h3 {
    font-size: .92rem;
  }

  body.dv23-page .dv21-problem-grid p {
    font-size: .72rem;
    line-height: 1.52;
  }

  body.dv23-page .dv21-domain-stages li {
    grid-template-columns: 1fr;
    padding-block: 15px;
  }

  body.dv23-page .dv21-deep-links a {
    min-height: 214px;
    padding: 18px;
    scroll-snap-align: start;
  }

  body.dv23-page .dv21-deep-links strong {
    margin-top: 24px;
  }

  body.dv23-page .dv21-boundary {
    gap: 20px;
  }

  body.dv23-page .dv21-boundary h2 {
    font-size: clamp(2rem, 9.5vw, 2.55rem);
  }

  body.dv23-page .dv21-boundary > div:last-child {
    padding-top: 0;
    line-height: 1.58;
  }

  body.dv23-page .dv2-page-intro {
    padding-block: 46px;
  }

  body.dv23-page .dv2-page-intro h1 {
    font-size: clamp(2.55rem, 11.8vw, 3.45rem);
  }

  body.dv23-page .dv2-domain-panel {
    min-height: 0;
  }

  body.dv23-page .dv2-domain-panel__intro,
  body.dv23-page .dv2-domain-panel__issues {
    padding: 20px 16px;
  }

  body.dv23-page .dv2-issue-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    border: 0;
    background: transparent;
  }

  body.dv23-page .dv2-issue {
    min-height: 128px;
    border: 1px solid var(--dv22-line);
    border-radius: 10px;
  }

  body.dv23-page .dv2-challenge {
    gap: 10px;
    padding: 16px;
  }

  body.dv23-page .dv2-review-chain {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.dv23-page .dv2-review-chain article,
  body.dv23-page .dv2-review-chain article:nth-child(n) {
    min-height: 150px;
    padding: 16px;
  }

  body.dv23-page .dv2-review-chain article:nth-child(2) { border-top: 0; }
  body.dv23-page .dv2-review-chain article:nth-child(odd) { border-left: 0; }

  .dv23-context-bar__inner {
    grid-template-columns: 1fr auto;
    gap: 7px 12px;
  }

  .dv23-context-bar span { display: none; }
  .dv23-context-bar strong { font-size: .8rem; }
  .dv23-context-bar p { grid-column: 1 / -1; }

  html body.dv23-page footer.formal-site-footer:not(#dv22-dark-footer) .footer-directory.footer-directory {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 26px 18px !important;
  }
}

@media (max-width: 360px) {
  body.dv23-page .dv2-asset-map {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 82%;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }

  body.dv23-page .dv2-asset,
  body.dv23-page .dv2-asset:nth-child(n) {
    min-height: 212px;
    scroll-snap-align: start;
  }

  body.dv23-page .dv21-problem-grid {
    grid-template-columns: 1fr;
  }

  body.dv23-page .dv21-problem-grid article {
    min-height: 142px;
  }

  body.dv23-page .dv2-gates {
    grid-template-columns: 1fr;
  }

  body.dv23-page .dv2-gate {
    min-height: 0;
  }
}

@media (max-width: 420px) {
  html body.dv23-page footer.formal-site-footer:not(#dv22-dark-footer) .footer-directory.footer-directory {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

/*
 * V2.3 compact typography regression guard.
 * developer-v200 ends with deliberately forceful title rules; these scoped
 * overrides keep only the five shared professional pages on the V2.3 scale.
 */
html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-page-intro h1 {
  font-size: clamp(2.85rem, 5.2vw, 5rem) !important;
  line-height: 1.01 !important;
}

html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-section__head h2,
html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-evidence-contract__intro h2 {
  font-size: clamp(2.15rem, 3.75vw, 3.75rem) !important;
  line-height: 1.035 !important;
}

html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-final h2 {
  font-size: clamp(2.35rem, 4.5vw, 4.45rem) !important;
}

@media (max-width: 620px) {
  html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-page-intro h1 {
    font-size: clamp(2.55rem, 11.8vw, 2.85rem) !important;
  }

  html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-section__head h2,
  html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-evidence-contract__intro h2 {
    font-size: clamp(2rem, 9.6vw, 2.65rem) !important;
    line-height: 1.06 !important;
  }

  html body.dv23-page.dv2-page:not(.dv21-page):not(.dv21-domain-page):not(.dv22-challenges-page) #main-content .dv2-final h2 {
    font-size: clamp(2.2rem, 10.6vw, 3rem) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html body.dv22-page.dv23-page.dv21-page #main-content button.dv21-domain-tab,
  html body.dv22-page.dv23-page.dv21-page #main-content button.dv21-domain-tab:hover,
  html body.dv22-page.dv23-page.dv21-page #main-content button.dv21-domain-tab[aria-selected="true"],
  body.dv23-page .dv21-domain-tab,
  body.dv23-page .dv21-domain-tab:hover,
  body.dv23-page .dv21-domain-tab[aria-selected="true"],
  body.dv23-page .dv23-journey-nav a,
  body.dv23-page .dv2-action,
  body.dv23-page .dv21-deep-links a {
    transform: none !important;
    transition: none !important;
  }

  body.dv23-page :is(.dv21-progressive-steps, .dv2-tool-list, .dv21-deep-links, .dv21-domain-summary) {
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  .dv23-journey-nav,
  .dv23-context-bar,
  .dv23-boundary-definitions article {
    forced-color-adjust: auto;
  }
}