/*
 * BIOTEN Developer V2.0
 * Design read: technical editorial + material database + decision tools.
 * Dials: variance 5, motion 3, density 6.
 * Shape rule: panels 10px, fields 6px, actions 4px, status labels 2px.
 * Theme rule: one continuous cool-light theme. Navy is a neutral, green is the only accent.
 */

:root {
  --dv2-ink: #071f31;
  --dv2-ink-2: #173447;
  --dv2-copy: #405665;
  --dv2-muted: #667985;
  --dv2-faint: #8a98a1;
  --dv2-canvas: #f2f6f7;
  --dv2-surface: #ffffff;
  --dv2-surface-2: #eaf0f2;
  --dv2-surface-3: #dce7ea;
  --dv2-line: #c8d4d9;
  --dv2-line-strong: #9eafb7;
  --dv2-accent: #4f7818;
  --dv2-accent-bright: #a9d35e;
  --dv2-focus: #0b64a0;
  --dv2-danger: #7a2e2e;
  --dv2-shell: min(1240px, calc(100vw - 64px));
  --dv2-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

html { color-scheme: light; }

body.dv2-page {
  overflow-x: hidden;
  background: var(--dv2-canvas);
  color: var(--dv2-ink);
}

body.dv2-page * { box-sizing: border-box; }

body.dv2-page .site-header {
  background: rgba(247, 250, 251, .96);
  border-bottom-color: rgba(7, 31, 49, .1);
  backdrop-filter: blur(18px);
}

.dv2-shell {
  width: var(--dv2-shell);
  margin-inline: auto;
}

.dv2-mono {
  font-family: var(--dv2-mono);
  font-variant-numeric: tabular-nums;
}

.dv2-kicker {
  margin: 0 0 16px;
  color: var(--dv2-accent);
  font-family: var(--dv2-mono);
  font-size: .73rem;
  font-weight: 760;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.dv2-lead {
  max-width: 66ch;
  margin: 22px 0 0;
  color: var(--dv2-copy);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.8;
}

.dv2-note {
  padding: 16px 18px;
  border-left: 3px solid var(--dv2-accent);
  background: var(--dv2-surface-2);
  color: var(--dv2-copy);
  font-size: .87rem;
  line-height: 1.72;
}

.dv2-note strong { color: var(--dv2-ink); }

.dv2-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 21px;
  border: 1px solid var(--dv2-ink);
  border-radius: 4px;
  background: var(--dv2-ink);
  color: #f8fbfc;
  font-size: .88rem;
  font-weight: 760;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}

.dv2-action:hover {
  background: var(--dv2-ink-2);
  border-color: var(--dv2-ink-2);
  color: #fff;
  transform: translateY(-1px);
}

.dv2-action:active { transform: translateY(1px); }

.dv2-action--secondary {
  background: transparent;
  color: var(--dv2-ink);
}

.dv2-action--secondary:hover {
  background: var(--dv2-surface-2);
  color: var(--dv2-ink);
}

.dv2-action--accent {
  border-color: var(--dv2-accent-bright);
  background: var(--dv2-accent-bright);
  color: #172408;
}

.dv2-action--accent:hover {
  border-color: #b8df75;
  background: #b8df75;
  color: #172408;
}

.dv2-action:focus-visible,
.dv2-text-link:focus-visible,
.dv2-local-nav a:focus-visible,
.dv2-filter:focus-visible,
.dv2-tool-tab:focus-visible,
.dv2-disclosure summary:focus-visible,
.dv2-field input:focus-visible,
.dv2-field select:focus-visible,
.dv2-field textarea:focus-visible,
.dv2-run:focus-visible {
  outline: 3px solid var(--dv2-focus) !important;
  outline-offset: 3px !important;
  box-shadow: none !important;
}

.dv2-text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--dv2-ink);
  font-size: .84rem;
  font-weight: 760;
  text-decoration: none;
}

.dv2-text-link::after {
  content: "→";
  transition: transform .18s ease;
}

.dv2-text-link:hover::after { transform: translateX(3px); }

.dv2-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

/* Local navigation */
.dv2-local-nav {
  position: sticky;
  top: var(--header-height, 74px);
  z-index: 18;
  border-bottom: 1px solid var(--dv2-line);
  background: rgba(247, 250, 251, .96);
  backdrop-filter: blur(16px);
}

.dv2-local-nav__inner {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: clamp(18px, 2.3vw, 31px);
  overflow-x: auto;
  scrollbar-width: none;
}

.dv2-local-nav__inner::-webkit-scrollbar { display: none; }

.dv2-local-nav a {
  position: relative;
  flex: 0 0 auto;
  color: var(--dv2-copy);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
}

.dv2-local-nav a[aria-current="page"],
.dv2-local-nav a:hover { color: var(--dv2-ink); }

.dv2-local-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: -18px;
  left: 0;
  height: 2px;
  background: var(--dv2-accent);
  content: "";
}

/* Home hero */
.dv2-hero {
  position: relative;
  min-height: min(780px, calc(100dvh - 72px));
  display: grid;
  align-items: stretch;
  overflow: hidden;
  border-bottom: 1px solid var(--dv2-line);
  background: var(--dv2-surface);
}

.dv2-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(470px, 1.12fr);
  align-items: stretch;
}

.dv2-hero__copy {
  align-self: center;
  padding: 82px clamp(34px, 5vw, 76px) 76px 0;
}

.dv2-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--dv2-ink);
  font-size: clamp(3rem, 5.6vw, 5.85rem);
  font-weight: 560;
  letter-spacing: -.058em;
  line-height: .99;
}

.dv2-hero__copy .dv2-lead {
  max-width: 580px;
  font-size: clamp(1rem, 1.35vw, 1.13rem);
}

.dv2-hero__media {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: #162c3b;
}

.dv2-hero__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 70% center;
}

.dv2-hero__media::after {
  position: absolute;
  inset: 0;
  border-left: 1px solid rgba(255, 255, 255, .18);
  background: linear-gradient(90deg, rgba(7, 31, 49, .16), transparent 28%);
  content: "";
  pointer-events: none;
}

.dv2-hero__caption {
  position: absolute;
  right: 20px;
  bottom: 18px;
  max-width: 360px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 2px;
  background: rgba(7, 31, 49, .84);
  color: rgba(255, 255, 255, .82);
  font-size: .67rem;
  line-height: 1.55;
}

.dv2-principles {
  border-bottom: 1px solid var(--dv2-line);
  background: var(--dv2-surface-2);
}

.dv2-principles__inner {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.dv2-principle {
  min-height: 122px;
  padding: 26px 18px;
  border-left: 1px solid var(--dv2-line);
}

.dv2-principle:first-child { border-left: 0; }

.dv2-principle strong {
  display: block;
  font-size: .95rem;
  line-height: 1.45;
}

.dv2-principle span {
  display: block;
  margin-top: 9px;
  color: var(--dv2-muted);
  font-size: .7rem;
  line-height: 1.55;
}

/* Shared section rhythm */
.dv2-section { padding-block: clamp(76px, 8vw, 122px); }
.dv2-section--surface { background: var(--dv2-surface); }
.dv2-section--soft { background: var(--dv2-surface-2); }

.dv2-section__head {
  max-width: 780px;
  margin-bottom: clamp(36px, 5vw, 62px);
}

.dv2-section__head h2 {
  margin: 0;
  color: var(--dv2-ink);
  font-size: clamp(2.05rem, 4vw, 4.2rem);
  font-weight: 560;
  letter-spacing: -.052em;
  line-height: 1.04;
}

.dv2-section__head p {
  max-width: 64ch;
  margin: 20px 0 0;
  color: var(--dv2-copy);
  line-height: 1.82;
}

/* Six data assets */
.dv2-asset-map {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.dv2-asset {
  min-height: 260px;
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-asset:nth-child(1),
.dv2-asset:nth-child(4) { grid-column: span 7; }
.dv2-asset:nth-child(2),
.dv2-asset:nth-child(3) { grid-column: span 5; }
.dv2-asset:nth-child(5),
.dv2-asset:nth-child(6) { grid-column: span 6; }
.dv2-asset:nth-child(1) { background: #e7eff1; }
.dv2-asset:nth-child(4) { background: #dfe9ec; }
.dv2-asset:nth-child(6) { background: var(--dv2-ink); color: #f8fbfc; }

.dv2-asset__id {
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .68rem;
  font-weight: 720;
}

.dv2-asset:nth-child(6) .dv2-asset__id { color: #a9bdc8; }

.dv2-asset h3 {
  margin: 52px 0 14px;
  font-size: clamp(1.35rem, 2.2vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -.035em;
}

.dv2-asset p {
  max-width: 52ch;
  margin: 0;
  color: var(--dv2-copy);
  font-size: .86rem;
  line-height: 1.72;
}

.dv2-asset:nth-child(6) p { color: #c3d0d6; }

.dv2-asset .dv2-text-link { margin-top: auto; padding-top: 26px; }
.dv2-asset:nth-child(6) .dv2-text-link { color: #f8fbfc; }

/* Domain composition */
.dv2-domain-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(340px, .78fr);
  gap: 18px;
}

.dv2-domain-lead,
.dv2-domain-compact {
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-domain-lead {
  min-height: 560px;
  display: grid;
  grid-template-rows: minmax(250px, 1fr) auto;
  overflow: hidden;
}

.dv2-domain-lead__media {
  position: relative;
  overflow: hidden;
}

.dv2-domain-lead__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.dv2-domain-lead__copy { padding: 30px; }

.dv2-domain-lead__copy h3,
.dv2-domain-compact h3 {
  margin: 0;
  font-size: clamp(1.45rem, 2.5vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -.04em;
}

.dv2-domain-lead__copy p,
.dv2-domain-compact p {
  margin: 14px 0 0;
  color: var(--dv2-copy);
  font-size: .86rem;
  line-height: 1.72;
}

.dv2-domain-side { display: grid; gap: 12px; }

.dv2-domain-compact {
  min-height: 176px;
  padding: 24px;
}

.dv2-domain-compact small {
  display: block;
  margin-bottom: 22px;
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .66rem;
}

/* Relationship path */
.dv2-relation {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-relation article {
  position: relative;
  min-height: 220px;
  padding: 24px 20px;
  border-left: 1px solid var(--dv2-line);
}

.dv2-relation article:first-child { border-left: 0; }

.dv2-relation article:not(:last-child)::after {
  position: absolute;
  top: 31px;
  right: -9px;
  z-index: 1;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: var(--dv2-surface);
  color: var(--dv2-muted);
  content: "→";
  font-size: .72rem;
}

.dv2-relation span {
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .67rem;
}

.dv2-relation strong {
  display: block;
  margin-top: 56px;
  font-size: 1.05rem;
}

.dv2-relation p {
  margin: 11px 0 0;
  color: var(--dv2-muted);
  font-size: .75rem;
  line-height: 1.62;
}

/* Tool preview and passport */
.dv2-tool-list {
  border-top: 1px solid var(--dv2-line-strong);
}

.dv2-tool-row {
  display: grid;
  grid-template-columns: 80px minmax(220px, .72fr) minmax(300px, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 126px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--dv2-line);
}

.dv2-tool-row > span {
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .68rem;
}

.dv2-tool-row strong {
  font-size: clamp(1.2rem, 2vw, 1.72rem);
  font-weight: 610;
  letter-spacing: -.025em;
}

.dv2-tool-row p {
  margin: 0;
  color: var(--dv2-copy);
  font-size: .82rem;
  line-height: 1.68;
}

.dv2-passport-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-passport-showcase__media {
  position: relative;
  min-height: 590px;
  overflow: hidden;
  background: #d8e2e5;
}

.dv2-passport-showcase__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.dv2-passport-showcase__media p {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  margin: 0;
  padding: 9px 11px;
  border-radius: 2px;
  background: rgba(7, 31, 49, .83);
  color: #dce7eb;
  font-size: .66rem;
}

.dv2-passport-showcase__data {
  display: flex;
  flex-direction: column;
  padding: clamp(32px, 4.3vw, 58px);
}

.dv2-status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dv2-status {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid var(--dv2-line-strong);
  border-radius: 2px;
  background: var(--dv2-surface-2);
  color: var(--dv2-ink-2);
  font-family: var(--dv2-mono);
  font-size: .65rem;
  font-weight: 720;
}

.dv2-status--attention {
  border-style: dashed;
  background: #f6f8f8;
}

.dv2-passport-showcase h3 {
  margin: 48px 0 18px;
  font-size: clamp(1.8rem, 3.4vw, 3.35rem);
  font-weight: 570;
  letter-spacing: -.048em;
  line-height: 1.06;
}

.dv2-passport-showcase__data > p {
  margin: 0;
  color: var(--dv2-copy);
  line-height: 1.78;
}

.dv2-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 38px 0 0;
  background: var(--dv2-line);
  border: 1px solid var(--dv2-line);
}

.dv2-meta-grid div {
  min-height: 90px;
  padding: 16px;
  background: var(--dv2-surface);
}

.dv2-meta-grid dt {
  color: var(--dv2-muted);
  font-size: .68rem;
}

.dv2-meta-grid dd {
  margin: 10px 0 0;
  color: var(--dv2-ink);
  font-size: .78rem;
  font-weight: 720;
  line-height: 1.55;
}

.dv2-passport-showcase .dv2-text-link { margin-top: auto; padding-top: 34px; }

/* Evidence contract */
.dv2-evidence-contract {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}

.dv2-evidence-contract__intro {
  position: sticky;
  top: 160px;
}

.dv2-evidence-contract__intro h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 4.2rem);
  font-weight: 560;
  letter-spacing: -.052em;
  line-height: 1.04;
}

.dv2-evidence-contract__intro p {
  margin: 22px 0 0;
  color: var(--dv2-copy);
  line-height: 1.8;
}

.dv2-gates { border-top: 1px solid var(--dv2-line-strong); }

.dv2-gate {
  display: grid;
  grid-template-columns: 72px minmax(180px, .48fr) 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--dv2-line);
}

.dv2-gate > span {
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .68rem;
}

.dv2-gate strong { font-size: 1rem; }
.dv2-gate p { margin: 0; color: var(--dv2-copy); font-size: .8rem; line-height: 1.66; }

.dv2-final {
  padding-block: clamp(90px, 10vw, 150px);
  border-top: 1px solid var(--dv2-line);
  background: var(--dv2-surface);
}

.dv2-final__inner { max-width: 940px; }
.dv2-final h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5.2vw, 5.25rem);
  font-weight: 560;
  letter-spacing: -.058em;
  line-height: 1.01;
}
.dv2-final p { max-width: 62ch; margin: 24px 0 0; color: var(--dv2-copy); line-height: 1.82; }

/* Subpage intro */
.dv2-page-intro {
  padding-block: clamp(68px, 8vw, 112px);
  border-bottom: 1px solid var(--dv2-line);
  background: var(--dv2-surface);
}

.dv2-page-intro__layout {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .58fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: end;
}

.dv2-page-intro h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 6.2vw, 6.4rem);
  font-weight: 560;
  letter-spacing: -.06em;
  line-height: .98;
}

.dv2-page-intro__side {
  padding-bottom: 6px;
}

.dv2-page-intro__side p {
  margin: 0;
  color: var(--dv2-copy);
  font-size: .94rem;
  line-height: 1.82;
}

.dv2-page-intro__side .dv2-note { margin-top: 24px; }

.dv2-breadcrumb {
  margin-bottom: 24px;
  color: var(--dv2-muted);
  font-size: .72rem;
}

.dv2-breadcrumb a { color: inherit; text-decoration: none; }
.dv2-breadcrumb span { margin-inline: 8px; }

/* Filters and search */
.dv2-filter-bar {
  display: grid;
  grid-template-columns: minmax(260px, .65fr) minmax(0, 1.35fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 34px;
  padding: 18px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-search {
  position: relative;
}

.dv2-search label {
  display: block;
  margin-bottom: 7px;
  color: var(--dv2-copy);
  font-size: .73rem;
  font-weight: 700;
}

.dv2-search input {
  width: 100%;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid var(--dv2-line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--dv2-ink);
  font-size: .87rem;
}

.dv2-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dv2-filter {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--dv2-line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--dv2-copy);
  cursor: pointer;
  font-size: .74rem;
  font-weight: 700;
}

.dv2-filter[aria-pressed="true"] {
  border-color: var(--dv2-ink);
  background: var(--dv2-ink);
  color: #fff;
}

.dv2-filter-status {
  margin: 0 0 18px;
  color: var(--dv2-muted);
  font-size: .75rem;
}

/* Materials */
.dv2-material-list { border-top: 1px solid var(--dv2-line-strong); }

.dv2-material {
  display: grid;
  grid-template-columns: 110px minmax(250px, .65fr) minmax(300px, 1fr) minmax(180px, .48fr);
  gap: 26px;
  align-items: start;
  padding: 30px 8px;
  border-bottom: 1px solid var(--dv2-line);
}

.dv2-material[hidden] { display: none !important; }

.dv2-material__code {
  color: var(--dv2-muted);
  font-family: var(--dv2-mono);
  font-size: .67rem;
  line-height: 1.55;
}

.dv2-material h2,
.dv2-material h3 {
  margin: 0;
  font-size: clamp(1.28rem, 2vw, 1.75rem);
  font-weight: 610;
  letter-spacing: -.028em;
}

.dv2-material__alias {
  display: block;
  margin-top: 8px;
  color: var(--dv2-muted);
  font-size: .72rem;
}

.dv2-material__summary { margin: 0; color: var(--dv2-copy); font-size: .83rem; line-height: 1.72; }

.dv2-material__meta { display: grid; gap: 10px; }
.dv2-material__meta span { color: var(--dv2-muted); font-size: .7rem; line-height: 1.55; }
.dv2-material__meta strong { display: block; color: var(--dv2-ink); font-size: .74rem; }

.dv2-passport-schema {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.dv2-schema-group {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-schema-group h3 { margin: 0; font-size: 1.1rem; }
.dv2-schema-group ul { margin: 22px 0 0; padding: 0; list-style: none; columns: 2; column-gap: 30px; }
.dv2-schema-group li { break-inside: avoid; margin: 0 0 10px; color: var(--dv2-copy); font-size: .78rem; line-height: 1.55; }

/* Barrier system */
.dv2-layer-stack {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  border: 1px solid var(--dv2-line-strong);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-layer {
  position: relative;
  min-height: 260px;
  padding: 24px 20px;
  border-left: 1px solid var(--dv2-line);
}

.dv2-layer:first-child { border-left: 0; background: #dfe8e7; }
.dv2-layer:nth-child(2) { background: #edf2f3; }
.dv2-layer:nth-child(3) { background: #e4ecee; }
.dv2-layer:nth-child(4) { background: #f3f6f7; }
.dv2-layer:nth-child(5) { background: #e9eff0; }

.dv2-layer span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .66rem; }
.dv2-layer strong { display: block; margin-top: 62px; font-size: 1.05rem; }
.dv2-layer p { margin: 13px 0 0; color: var(--dv2-copy); font-size: .75rem; line-height: 1.6; }

.dv2-function-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.dv2-function {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-function h3 { margin: 0; font-size: 1.04rem; }
.dv2-function p { margin: 34px 0 0; color: var(--dv2-copy); font-size: .76rem; line-height: 1.62; }
.dv2-function strong { display: block; margin-top: 15px; color: var(--dv2-muted); font-size: .68rem; line-height: 1.55; }

.dv2-workflow-groups { display: grid; gap: 14px; }

.dv2-workflow-group {
  display: grid;
  grid-template-columns: 210px repeat(4, minmax(0, 1fr));
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-workflow-group > h3 {
  margin: 0;
  padding: 26px;
  background: var(--dv2-ink);
  color: #f8fbfc;
  font-size: 1.05rem;
  font-weight: 600;
}

.dv2-workflow-group article {
  min-height: 170px;
  padding: 24px 18px;
  border-left: 1px solid var(--dv2-line);
}

.dv2-workflow-group article span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .65rem; }
.dv2-workflow-group article strong { display: block; margin-top: 34px; font-size: .92rem; }
.dv2-workflow-group article p { margin: 9px 0 0; color: var(--dv2-muted); font-size: .7rem; line-height: 1.55; }

/* Evidence and certification */
.dv2-logic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.dv2-logic {
  min-height: 174px;
  padding: 24px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-logic strong { display: block; font-size: 1.06rem; }
.dv2-logic p { margin: 24px 0 0; color: var(--dv2-copy); font-size: .78rem; line-height: 1.65; }

.dv2-evidence-dimensions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--dv2-line-strong);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-evidence-dimension {
  min-height: 250px;
  padding: 22px 18px;
  border-left: 1px solid var(--dv2-line);
}
.dv2-evidence-dimension:first-child { border-left: 0; }
.dv2-evidence-dimension span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .65rem; }
.dv2-evidence-dimension strong { display: block; margin-top: 54px; font-size: .98rem; }
.dv2-evidence-dimension p { margin: 13px 0 0; color: var(--dv2-copy); font-size: .72rem; line-height: 1.58; }

.dv2-cert-list { border-top: 1px solid var(--dv2-line-strong); }

.dv2-cert {
  display: grid;
  grid-template-columns: minmax(190px, .42fr) minmax(230px, .48fr) minmax(280px, .8fr) minmax(250px, .7fr);
  gap: 24px;
  padding: 28px 6px;
  border-bottom: 1px solid var(--dv2-line);
}

.dv2-cert h3 { margin: 0; font-size: 1rem; }
.dv2-cert p { margin: 0; color: var(--dv2-copy); font-size: .76rem; line-height: 1.62; }
.dv2-cert p strong { display: block; margin-bottom: 7px; color: var(--dv2-ink); }

.dv2-source-list { display: grid; gap: 10px; }
.dv2-source-list a {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) 1fr auto;
  gap: 20px;
  align-items: center;
  min-height: 72px;
  padding: 15px 18px;
  border: 1px solid var(--dv2-line);
  border-radius: 6px;
  background: var(--dv2-surface);
  color: var(--dv2-ink);
  text-decoration: none;
}
.dv2-source-list a:hover { border-color: var(--dv2-line-strong); background: #f8fafb; }
.dv2-source-list strong { font-size: .82rem; }
.dv2-source-list span { color: var(--dv2-copy); font-size: .75rem; line-height: 1.55; }
.dv2-source-list em { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .65rem; font-style: normal; }

/* Challenges / four domains */
.dv2-domain-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.dv2-domain-panel {
  display: grid;
  grid-template-columns: minmax(260px, .58fr) minmax(0, 1.42fr);
  min-height: 510px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-domain-panel[hidden] { display: none !important; }

.dv2-domain-panel__intro { padding: 34px; background: var(--dv2-surface-2); }
.dv2-domain-panel__intro h2 { margin: 0; font-size: clamp(1.9rem, 3.4vw, 3.25rem); font-weight: 570; letter-spacing: -.045em; }
.dv2-domain-panel__intro p { margin: 20px 0 0; color: var(--dv2-copy); line-height: 1.75; }

.dv2-domain-panel__issues { padding: 26px 34px; }
.dv2-domain-panel__issues h3 { margin: 0 0 22px; font-size: 1rem; }
.dv2-issue-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--dv2-line); border: 1px solid var(--dv2-line); }
.dv2-issue { min-height: 132px; padding: 18px; background: var(--dv2-surface); }
.dv2-issue strong { font-size: .82rem; }
.dv2-issue p { margin: 10px 0 0; color: var(--dv2-muted); font-size: .7rem; line-height: 1.55; }

.dv2-challenge-list { display: grid; gap: 14px; }
.dv2-challenge {
  display: grid;
  grid-template-columns: 110px minmax(240px, .62fr) minmax(300px, 1fr) 190px;
  gap: 24px;
  align-items: start;
  padding: 26px;
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}
.dv2-challenge > span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .66rem; }
.dv2-challenge h3 { margin: 0; font-size: 1.16rem; }
.dv2-challenge p { margin: 0; color: var(--dv2-copy); font-size: .77rem; line-height: 1.62; }
.dv2-challenge__state { display: grid; gap: 8px; }

/* Solutions */
.dv2-solution-feature {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}

.dv2-solution-feature__summary { padding: clamp(30px, 4vw, 52px); background: var(--dv2-surface-2); }
.dv2-solution-feature__summary h2 { margin: 44px 0 18px; font-size: clamp(1.9rem, 3.4vw, 3.2rem); font-weight: 570; letter-spacing: -.045em; line-height: 1.07; }
.dv2-solution-feature__summary p { margin: 0; color: var(--dv2-copy); line-height: 1.76; }
.dv2-solution-feature__details { padding: clamp(30px, 4vw, 52px); }
.dv2-solution-feature__details h3 { margin: 0 0 22px; font-size: 1rem; }

.dv2-detail-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.dv2-detail-group { min-height: 174px; padding: 18px; border: 1px solid var(--dv2-line); border-radius: 6px; }
.dv2-detail-group strong { display: block; font-size: .78rem; }
.dv2-detail-group p { margin: 15px 0 0; color: var(--dv2-muted); font-size: .72rem; line-height: 1.58; }

.dv2-solution-list { border-top: 1px solid var(--dv2-line-strong); }
.dv2-solution {
  display: grid;
  grid-template-columns: 110px minmax(250px, .78fr) minmax(250px, .72fr) minmax(240px, .6fr);
  gap: 26px;
  padding: 30px 8px;
  border-bottom: 1px solid var(--dv2-line);
}
.dv2-solution[hidden] { display: none !important; }
.dv2-solution > span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .66rem; }
.dv2-solution h3 { margin: 0; font-size: 1.12rem; }
.dv2-solution p { margin: 0; color: var(--dv2-copy); font-size: .77rem; line-height: 1.62; }

.dv2-review-chain {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dv2-surface);
}
.dv2-review-chain article { min-height: 190px; padding: 24px; border-left: 1px solid var(--dv2-line); }
.dv2-review-chain article:first-child { border-left: 0; }
.dv2-review-chain span { color: var(--dv2-muted); font-family: var(--dv2-mono); font-size: .65rem; }
.dv2-review-chain strong { display: block; margin-top: 48px; font-size: .94rem; }
.dv2-review-chain p { margin: 10px 0 0; color: var(--dv2-muted); font-size: .7rem; line-height: 1.55; }

/* Tools */
.dv2-tool-index {
  display: grid;
  grid-template-columns: minmax(210px, .36fr) minmax(0, 1.64fr);
  gap: 26px;
  align-items: start;
}

.dv2-tool-tabs {
  position: sticky;
  top: 154px;
  display: grid;
  gap: 8px;
}

.dv2-tool-tab {
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid var(--dv2-line);
  border-radius: 6px;
  background: var(--dv2-surface);
  color: var(--dv2-copy);
  cursor: pointer;
  text-align: left;
  font-size: .77rem;
  font-weight: 700;
}

.dv2-tool-tab[aria-selected="true"] {
  border-color: var(--dv2-ink);
  background: var(--dv2-ink);
  color: #fff;
}

.dv2-tool-panel {
  min-height: 660px;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--dv2-line);
  border-radius: 10px;
  background: var(--dv2-surface);
}

.dv2-tool-panel[hidden] { display: none !important; }
.dv2-tool-panel h2 { margin: 0; font-size: clamp(1.75rem, 3vw, 2.8rem); font-weight: 580; letter-spacing: -.04em; }
.dv2-tool-panel > p { max-width: 65ch; margin: 18px 0 0; color: var(--dv2-copy); line-height: 1.72; }

.dv2-tool-form { margin-top: 34px; }
.dv2-tool-form fieldset { margin: 0; padding: 0; border: 0; }
.dv2-tool-form legend { margin-bottom: 18px; color: var(--dv2-ink); font-size: .84rem; font-weight: 760; }

.dv2-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.dv2-field { display: grid; gap: 7px; }
.dv2-field--wide { grid-column: 1 / -1; }
.dv2-field label { color: var(--dv2-ink); font-size: .74rem; font-weight: 720; }
.dv2-field small { color: var(--dv2-muted); font-size: .68rem; line-height: 1.5; }

.dv2-field input,
.dv2-field select,
.dv2-field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--dv2-line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--dv2-ink);
  font-size: .83rem;
}

.dv2-field textarea { min-height: 118px; resize: vertical; line-height: 1.6; }
.dv2-field input::placeholder,
.dv2-field textarea::placeholder { color: #6f7f88; opacity: 1; }

.dv2-run {
  min-height: 46px;
  margin-top: 22px;
  padding: 0 18px;
  border: 1px solid var(--dv2-ink);
  border-radius: 4px;
  background: var(--dv2-ink);
  color: #fff;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 760;
}

.dv2-run:hover { background: var(--dv2-ink-2); }
.dv2-run:active { transform: translateY(1px); }

.dv2-result {
  min-height: 150px;
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--dv2-line);
  border-radius: 6px;
  background: var(--dv2-surface-2);
}

.dv2-result[data-state="empty"] { border-style: dashed; }
.dv2-result[data-state="error"] { border-color: var(--dv2-danger); background: #fbf5f5; }
.dv2-result h3 { margin: 0; font-size: 1rem; }
.dv2-result > p { margin: 12px 0 0; color: var(--dv2-copy); font-size: .77rem; line-height: 1.62; }
.dv2-result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.dv2-result-block { padding: 16px; border: 1px solid var(--dv2-line); border-radius: 6px; background: var(--dv2-surface); }
.dv2-result-block strong { display: block; font-size: .76rem; }
.dv2-result-block ul { margin: 12px 0 0; padding-left: 18px; }
.dv2-result-block li { margin: 7px 0; color: var(--dv2-copy); font-size: .72rem; line-height: 1.5; }

.dv2-claim-findings { display: grid; gap: 10px; margin-top: 18px; }
.dv2-finding { padding: 15px; border-left: 3px solid var(--dv2-danger); background: var(--dv2-surface); }
.dv2-finding strong { font-size: .77rem; }
.dv2-finding p { margin: 7px 0 0; color: var(--dv2-copy); font-size: .72rem; line-height: 1.55; }

.dv2-registry-empty {
  min-height: 240px;
  display: grid;
  place-items: center;
  margin-top: 28px;
  padding: 34px;
  border: 1px dashed var(--dv2-line-strong);
  border-radius: 6px;
  background: var(--dv2-surface-2);
  text-align: center;
}
.dv2-registry-empty strong { display: block; }
.dv2-registry-empty p { max-width: 54ch; margin: 12px auto 0; color: var(--dv2-copy); font-size: .77rem; line-height: 1.65; }

.dv2-disclosure {
  margin-top: 12px;
  border: 1px solid var(--dv2-line);
  border-radius: 6px;
  background: var(--dv2-surface);
}
.dv2-disclosure summary { padding: 16px 18px; cursor: pointer; font-size: .8rem; font-weight: 720; }
.dv2-disclosure__body { padding: 0 18px 18px; color: var(--dv2-copy); font-size: .76rem; line-height: 1.68; }

/* Responsive */
@media (max-width: 1120px) {
  :root { --dv2-shell: min(100% - 40px, 1080px); }
  .dv2-hero__grid { grid-template-columns: minmax(0, .92fr) minmax(400px, 1.08fr); }
  .dv2-principles__inner { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dv2-principle:nth-child(4) { border-left: 0; border-top: 1px solid var(--dv2-line); }
  .dv2-principle:nth-child(5) { border-top: 1px solid var(--dv2-line); }
  .dv2-relation { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dv2-relation article:nth-child(4) { border-left: 0; border-top: 1px solid var(--dv2-line); }
  .dv2-relation article:nth-child(5), .dv2-relation article:nth-child(6) { border-top: 1px solid var(--dv2-line); }
  .dv2-function-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-workflow-group { grid-template-columns: 180px repeat(2, minmax(0, 1fr)); }
  .dv2-workflow-group article:nth-of-type(3) { border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-workflow-group article:nth-of-type(4) { border-top: 1px solid var(--dv2-line); }
  .dv2-material { grid-template-columns: 90px minmax(220px, .65fr) minmax(260px, 1fr); }
  .dv2-material__meta { grid-column: 2 / -1; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dv2-cert { grid-template-columns: minmax(170px, .42fr) minmax(220px, .58fr) 1fr; }
  .dv2-cert > :last-child { grid-column: 2 / -1; }
  .dv2-challenge { grid-template-columns: 90px minmax(220px, .7fr) 1fr; }
  .dv2-challenge__state { grid-column: 2 / -1; grid-template-columns: repeat(3, max-content); }
}

@media (max-width: 860px) {
  :root { --dv2-shell: min(100% - 32px, 820px); }
  .dv2-local-nav { top: 64px; }
  .dv2-hero { min-height: auto; }
  .dv2-hero__grid { grid-template-columns: 1fr; }
  .dv2-hero__copy { padding: 72px 0 48px; }
  .dv2-hero h1 { max-width: 680px; font-size: clamp(2.8rem, 10vw, 5.2rem); }
  .dv2-hero__media { min-height: 420px; }
  .dv2-principles__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-principle:nth-child(3), .dv2-principle:nth-child(5) { border-left: 0; }
  .dv2-principle:nth-child(3) { border-top: 1px solid var(--dv2-line); }
  .dv2-principle:nth-child(4) { border-left: 1px solid var(--dv2-line); }
  .dv2-asset-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-asset, .dv2-asset:nth-child(n) { grid-column: span 1; }
  .dv2-domain-layout { grid-template-columns: 1fr; }
  .dv2-relation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-relation article:nth-child(odd) { border-left: 0; }
  .dv2-relation article:nth-child(n+3) { border-top: 1px solid var(--dv2-line); }
  .dv2-tool-row { grid-template-columns: 64px minmax(190px, .62fr) 1fr; }
  .dv2-tool-row .dv2-text-link { grid-column: 2 / -1; }
  .dv2-passport-showcase { grid-template-columns: 1fr; }
  .dv2-passport-showcase__media { min-height: 440px; }
  .dv2-evidence-contract { grid-template-columns: 1fr; }
  .dv2-evidence-contract__intro { position: static; }
  .dv2-page-intro__layout { grid-template-columns: 1fr; gap: 34px; }
  .dv2-filter-bar { grid-template-columns: 1fr; }
  .dv2-material { grid-template-columns: 80px 1fr; }
  .dv2-material__summary, .dv2-material__meta { grid-column: 2; }
  .dv2-material__meta { grid-template-columns: 1fr; }
  .dv2-layer-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-layer:nth-child(odd) { border-left: 0; }
  .dv2-layer:nth-child(n+3) { border-top: 1px solid var(--dv2-line); }
  .dv2-layer:last-child { grid-column: 1 / -1; }
  .dv2-workflow-group { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-workflow-group > h3 { grid-column: 1 / -1; }
  .dv2-workflow-group article:nth-of-type(odd) { border-left: 0; }
  .dv2-evidence-dimensions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-evidence-dimension:nth-child(odd) { border-left: 0; }
  .dv2-evidence-dimension:nth-child(n+3) { border-top: 1px solid var(--dv2-line); }
  .dv2-evidence-dimension:last-child { grid-column: 1 / -1; }
  .dv2-cert { grid-template-columns: minmax(170px, .42fr) 1fr; }
  .dv2-cert > :last-child { grid-column: 1 / -1; }
  .dv2-domain-panel { grid-template-columns: 1fr; }
  .dv2-challenge { grid-template-columns: 80px 1fr; }
  .dv2-challenge > p, .dv2-challenge__state { grid-column: 2; }
  .dv2-solution-feature { grid-template-columns: 1fr; }
  .dv2-solution { grid-template-columns: 80px 1fr; }
  .dv2-solution > p, .dv2-solution > div { grid-column: 2; }
  .dv2-review-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv2-review-chain article:nth-child(3) { border-left: 0; border-top: 1px solid var(--dv2-line); }
  .dv2-review-chain article:nth-child(4) { border-top: 1px solid var(--dv2-line); }
  .dv2-tool-index { grid-template-columns: 1fr; }
  .dv2-tool-tabs { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  :root { --dv2-shell: calc(100vw - 28px); }
  .dv2-local-nav__inner { min-height: 50px; gap: 20px; }
  .dv2-local-nav a[aria-current="page"]::after { bottom: -16px; }
  .dv2-hero__copy { padding-top: 58px; }
  .dv2-hero h1 { font-size: clamp(2.55rem, 13.2vw, 4rem); line-height: 1.01; }
  .dv2-hero__copy .dv2-lead { font-size: .93rem; }
  .dv2-hero__media { min-height: 300px; }
  .dv2-hero__caption { right: 10px; bottom: 10px; left: 10px; max-width: none; }
  .dv2-actions { align-items: stretch; }
  .dv2-actions .dv2-action { width: 100%; }
  .dv2-principles__inner { grid-template-columns: 1fr; }
  .dv2-principle, .dv2-principle:nth-child(n) { min-height: auto; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-principle:first-child { border-top: 0; }
  .dv2-section { padding-block: 68px; }
  .dv2-section__head h2 { font-size: clamp(2rem, 10vw, 3.2rem); }
  .dv2-asset-map { grid-template-columns: 1fr; }
  .dv2-asset { min-height: 240px; }
  .dv2-domain-lead { min-height: auto; }
  .dv2-domain-lead__media { min-height: 270px; }
  .dv2-relation { grid-template-columns: 1fr; }
  .dv2-relation article, .dv2-relation article:nth-child(n) { min-height: 160px; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-relation article:first-child { border-top: 0; }
  .dv2-relation article::after { display: none; }
  .dv2-relation strong { margin-top: 30px; }
  .dv2-tool-row { grid-template-columns: 46px 1fr; gap: 16px; padding-block: 24px; }
  .dv2-tool-row p, .dv2-tool-row .dv2-text-link { grid-column: 2; }
  .dv2-passport-showcase__media { min-height: 300px; }
  .dv2-passport-showcase__data { padding: 26px 20px; }
  .dv2-meta-grid { grid-template-columns: 1fr; }
  .dv2-gate { grid-template-columns: 48px 1fr; gap: 14px; }
  .dv2-gate p { grid-column: 2; }
  .dv2-page-intro { padding-block: 58px; }
  .dv2-page-intro h1 { font-size: clamp(2.65rem, 13vw, 4.2rem); }
  .dv2-filter-bar { padding: 14px; }
  .dv2-material { grid-template-columns: 1fr; gap: 12px; padding-block: 26px; }
  .dv2-material__summary, .dv2-material__meta { grid-column: 1; }
  .dv2-passport-schema, .dv2-logic-grid { grid-template-columns: 1fr; }
  .dv2-schema-group ul { columns: 1; }
  .dv2-layer-stack, .dv2-function-map { grid-template-columns: 1fr; }
  .dv2-layer, .dv2-layer:nth-child(n), .dv2-layer:last-child { grid-column: auto; min-height: 190px; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-layer:first-child { border-top: 0; }
  .dv2-layer strong { margin-top: 34px; }
  .dv2-workflow-group { grid-template-columns: 1fr; }
  .dv2-workflow-group > h3, .dv2-workflow-group article { grid-column: 1; }
  .dv2-workflow-group article, .dv2-workflow-group article:nth-of-type(n) { min-height: 130px; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-workflow-group article strong { margin-top: 22px; }
  .dv2-evidence-dimensions { grid-template-columns: 1fr; }
  .dv2-evidence-dimension, .dv2-evidence-dimension:nth-child(n), .dv2-evidence-dimension:last-child { grid-column: 1; min-height: 190px; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-evidence-dimension:first-child { border-top: 0; }
  .dv2-evidence-dimension strong { margin-top: 30px; }
  .dv2-cert { grid-template-columns: 1fr; gap: 14px; }
  .dv2-cert > :last-child { grid-column: 1; }
  .dv2-source-list a { grid-template-columns: 1fr; gap: 7px; }
  .dv2-domain-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 5px; scrollbar-width: thin; }
  .dv2-domain-panel__intro, .dv2-domain-panel__issues { padding: 24px 18px; }
  .dv2-issue-list { grid-template-columns: 1fr; }
  .dv2-challenge { grid-template-columns: 1fr; gap: 12px; padding: 22px 18px; }
  .dv2-challenge > p, .dv2-challenge__state { grid-column: 1; }
  .dv2-challenge__state { grid-template-columns: 1fr; }
  .dv2-detail-groups { grid-template-columns: 1fr; }
  .dv2-solution { grid-template-columns: 1fr; gap: 12px; }
  .dv2-solution > p, .dv2-solution > div { grid-column: 1; }
  .dv2-review-chain { grid-template-columns: 1fr; }
  .dv2-review-chain article, .dv2-review-chain article:nth-child(n) { min-height: 150px; border-top: 1px solid var(--dv2-line); border-left: 0; }
  .dv2-review-chain article:first-child { border-top: 0; }
  .dv2-review-chain strong { margin-top: 26px; }
  .dv2-tool-tabs { display: flex; overflow-x: auto; gap: 8px; padding-bottom: 5px; scrollbar-width: thin; }
  .dv2-tool-tab { flex: 0 0 190px; }
  .dv2-tool-panel { min-height: auto; padding: 24px 18px; }
  .dv2-field-grid, .dv2-result-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .dv2-action,
  .dv2-text-link::after,
  .dv2-run { transition: none !important; }
  .dv2-action:hover,
  .dv2-action:active,
  .dv2-text-link:hover::after,
  .dv2-run:active { transform: none !important; }
}

@media (forced-colors: active) {
  .dv2-status,
  .dv2-note,
  .dv2-filter,
  .dv2-tool-tab,
  .dv2-action,
  .dv2-run { forced-color-adjust: auto; }
}

/*
 * V2.0 component boundary.
 * The inherited V3 shell intentionally owns the global header and footer, but
 * its historical sitewide heading markers and liquid-glass submit buttons must
 * not leak into the Developer workspace. #main-content makes this boundary
 * explicit without altering shared assets used by the rest of the preview.
 */
html body.dv2-page #main-content h2 {
  width: auto !important;
  max-width: 100% !important;
  margin-right: 0 !important;
  color: var(--dv2-ink) !important;
  text-align: left !important;
  white-space: normal !important;
  overflow-wrap: break-word !important;
  word-break: normal !important;
}

html body.dv2-page #main-content h2::before {
  content: none !important;
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  min-width: 0 !important;
  margin: 0 !important;
  background: none !important;
  box-shadow: none !important;
  animation: none !important;
}

html body.dv2-page #main-content .dv2-hero h1 {
  font-size: clamp(3rem, 5.6vw, 5.85rem) !important;
  font-weight: 560 !important;
  letter-spacing: -.058em !important;
  line-height: .99 !important;
}

html body.dv2-page #main-content .dv2-page-intro h1 {
  font-size: clamp(3rem, 6.2vw, 6.4rem) !important;
  font-weight: 560 !important;
  letter-spacing: -.06em !important;
  line-height: .98 !important;
}

html body.dv2-page #main-content .dv2-section__head h2,
html body.dv2-page #main-content .dv2-evidence-contract__intro h2 {
  font-size: clamp(2.05rem, 4vw, 4.2rem) !important;
  font-weight: 560 !important;
  letter-spacing: -.052em !important;
  line-height: 1.04 !important;
}

html body.dv2-page #main-content .dv2-final h2 {
  font-size: clamp(2.5rem, 5.2vw, 5.25rem) !important;
  font-weight: 560 !important;
  letter-spacing: -.058em !important;
  line-height: 1.01 !important;
}

html body.dv2-page #main-content .dv2-domain-panel__intro h2,
html body.dv2-page #main-content .dv2-solution-feature__summary h2 {
  font-size: clamp(1.9rem, 3.4vw, 3.25rem) !important;
  font-weight: 570 !important;
  letter-spacing: -.045em !important;
  line-height: 1.07 !important;
}

html body.dv2-page #main-content .dv2-tool-panel h2 {
  font-size: clamp(1.75rem, 3vw, 2.8rem) !important;
  font-weight: 580 !important;
  letter-spacing: -.04em !important;
  line-height: 1.08 !important;
}

html body.dv2-page #main-content button.dv2-run {
  position: relative !important;
  isolation: auto !important;
  overflow: visible !important;
  min-width: 0 !important;
  min-height: 46px !important;
  padding: 0 18px !important;
  gap: 8px !important;
  border: 1px solid var(--dv2-ink) !important;
  border-radius: 4px !important;
  background: var(--dv2-ink) !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  font-family: var(--dv2-sans) !important;
  font-size: .82rem !important;
  line-height: 1 !important;
  font-weight: 760 !important;
  letter-spacing: 0 !important;
  text-shadow: none !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  transform: none !important;
  transition: background .18s ease, transform .18s ease !important;
}

html body.dv2-page #main-content button.dv2-run:hover {
  border-color: var(--dv2-ink-2) !important;
  background: var(--dv2-ink-2) !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  text-shadow: none !important;
  box-shadow: none !important;
  transform: none !important;
}

html body.dv2-page #main-content button.dv2-run:active {
  transform: translateY(1px) !important;
}

html body.dv2-page #main-content button.dv2-run:focus-visible {
  border-color: var(--dv2-ink) !important;
  background: var(--dv2-ink) !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  outline: 3px solid var(--dv2-focus) !important;
  outline-offset: 3px !important;
  text-shadow: none !important;
  box-shadow: none !important;
  transform: none !important;
}

@media (max-width: 620px) {
  html body.dv2-page #main-content .dv2-hero h1 {
    font-size: clamp(2.55rem, 13.2vw, 4rem) !important;
    line-height: 1.01 !important;
  }

  html body.dv2-page #main-content .dv2-page-intro h1 {
    font-size: clamp(2.65rem, 13vw, 4.2rem) !important;
  }

  html body.dv2-page #main-content .dv2-section__head h2,
  html body.dv2-page #main-content .dv2-evidence-contract__intro h2 {
    font-size: clamp(2rem, 10vw, 3.2rem) !important;
  }
}