.subpage-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 132px 0 64px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.subpage-hero::before {
  content: none;
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.05;
  background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.breadcrumb {
  margin: 0 0 28px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #71899d;
  font-size: .76rem;
}

.breadcrumb a {
  color: var(--muted-bright);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--cyan-bright); }

.subpage-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
  gap: 56px;
}

.subpage-hero h1 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 3.75rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.subpage-hero h1 span { color: var(--cyan-bright); }

.subpage-lead {
  max-width: 730px;
  margin: 24px 0;
  color: var(--muted-bright);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-proof {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  border-top: 1px solid var(--line);
}

.hero-proof-head {
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 700 .6rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.05em;
  font-size: 0.6875rem;
  gap: 16px;
  flex-wrap: wrap;
}

.proof-live { display: inline-flex; align-items: center; gap: 7px; color: #83ad9d; }
.proof-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: none;
}
.proof-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.proof-list li {
  padding: 16px 0;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 11px;
  border-bottom: 1px solid var(--line);
}
.proof-list li:last-child { border-bottom: 0; }
.proof-list b {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 0;
  background: transparent;
  color: var(--green);
  font-size: 0.75rem;
}
.proof-list span { display: flex; flex-direction: column; }
.proof-list strong {
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 600;
}
.proof-list small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

.page-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}
.page-section:nth-of-type(even) {
  background: var(--ink);
}
.page-section h2, .conversion-band h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.625rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.16;
}
.section-intro {
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 1fr .84fr;
  align-items: start;
  gap: 56px;
}
.section-intro > p { margin: 0; color: var(--muted); line-height: 1.8; }
.section-intro.single { max-width: 760px; display: block; }
.section-intro.single > p { margin-top: 20px; }

.architecture-flow {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  gap: 28px;
  list-style: none;
}

.architecture-step {
  position: relative;
  min-height: 0;
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--ink-soft);
}

.architecture-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -22px;
  color: var(--cyan);
  font: 700 1rem ui-monospace, monospace;
}

.step-number {
  color: var(--muted);
  font: 700 .59rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
  font-size: 0.75rem;
}
.architecture-step h3 {
  margin: 20px 0 10px;
  font-size: 1rem;
  line-height: 1.3;
}
.architecture-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.65;
}
.architecture-step.highlight { border-color: rgba(37,183,232,.4); background: linear-gradient(145deg, #10283e, #0a1a2b); }

.mode-grid, .control-grid, .resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 48px;
}

.mode-card, .control-card, .resource-card {
  padding: 28px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  border-top: 1px solid var(--line);
  min-height: 0;
  box-shadow: none;
}

.mode-card {
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.mode-label {
  width: fit-content;
  padding: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--cyan-bright);
  font: 750 .62rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}
.mode-card h3, .control-card h3, .resource-card h3 {
  margin: 16px 0 12px;
  font-size: 1.375rem;
  letter-spacing: -.02em;
}
.mode-card > p, .control-card p, .resource-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}
.mode-card ul {
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
  border: 0;
}
.mode-card li {
  position: relative;
  margin-top: 9px;
  padding-left: 21px;
  color: var(--muted-bright);
  font-size: 0.875rem;
}
.mode-card li::before { content: "+"; position: absolute; left: 0; color: var(--green); font-weight: 800; }

.control-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 48px;
}
.control-card {
  min-height: 0;
}
.control-index {
  color: var(--cyan);
  font: 700 .62rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}
.control-card h3 {
  margin-top: 16px;
}
.scope-note {
  margin-top: 24px;
  padding: 20px 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted-bright);
  font-size: 0.875rem;
  line-height: 1.7;
  border-left: 2px solid var(--orange);
}
.scope-note strong { color: var(--orange); }
.scope-note a { color: var(--cyan-bright); text-underline-offset: 3px; }
.scope-note a:hover { color: var(--text); }

.assurance-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
}
.assurance-item {
  min-height: 0;
  padding: 24px;
  border-right: 1px solid var(--line);
}
.assurance-item:last-child { border-right: 0; }
.assurance-item small {
  color: var(--muted);
  font: 700 .58rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}
.assurance-item strong { margin-top: 16px; display: block; font-size: 1.02rem; line-height: 1.35; }

.trust-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
}
.trust-table th, .trust-table td { padding: 20px 22px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.trust-table tr:last-child td, .trust-table tr:last-child th { border-bottom: 0; }
.trust-table th {
  background: rgba(255,255,255,.025);
  color: var(--muted-bright);
  font: 700 .62rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}
.trust-table td {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.67;
}
.trust-table td:first-child { color: var(--text); font-weight: 700; }
.trust-table tbody th {
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  letter-spacing: 0;
  line-height: 1.67;
}
.trust-table caption {
  padding: 0 0 14px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
  text-align: left;
  caption-side: top;
}
.support-table { margin-top: 28px; }
.status-pill {
  width: fit-content;
  padding: 5px 9px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(37,183,232,.2);
  border-radius: 6px;
  background: rgba(37,183,232,.07);
  color: var(--cyan-bright);
  font-size: 0.8125rem;
  font-weight: 700;
  white-space: normal;
}
.status-pill.planned { border-color: rgba(255,184,92,.2); background: rgba(255,184,92,.07); color: var(--orange); }

.responsibility-grid {
  display: grid;
  grid-template-columns: .62fr 1fr 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0b1929;
}
.responsibility-grid > div { padding: 18px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: .79rem; line-height: 1.6; }
.responsibility-grid > div:nth-child(3n) { border-right: 0; }
.responsibility-grid > div:nth-last-child(-n+3) { border-bottom: 0; }
.responsibility-grid .table-head { background: rgba(255,255,255,.025); color: #6f899c; font: 700 .59rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; }
.responsibility-grid .row-title { color: var(--text); font-weight: 700; }

.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.support-card {
  padding: 28px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  border-top: 1px solid var(--line);
  min-height: 0;
  box-shadow: none;
}
.support-card h3 { margin: 0 0 13px; font-size: 1.25rem; }
.support-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}
.support-card a { color: var(--cyan-bright); }
.support-card .text-link { margin-top: 24px; display: inline-flex; }

.resource-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.resource-card {
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.resource-card .text-link {
  margin-top: 0;
  padding-top: 20px;
}
.resource-meta {
  margin-top: 16px;
  color: var(--muted);
  font: 700 .6rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 650;
}

.conversion-band {
  padding: 64px 0;
  background: var(--ink-deep);
}
.conversion-band-inner {
  padding: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.conversion-band p:not(.kicker) { max-width: 650px; margin: 17px 0 0; color: var(--muted); line-height: 1.75; }

.plain-footer-note { color: #6f899c; font-size: .7rem; }

@media (max-width: 1050px) {
  .subpage-hero-grid {
    grid-template-columns: 1fr .72fr;
    gap: 32px;
  }
  .architecture-flow { grid-template-columns: repeat(3, 1fr); }
  .architecture-step:not(:last-child)::after { display: none; }
  .control-grid, .resource-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  .subpage-hero {
    padding: 114px 0 48px;
  }
  .subpage-hero-grid, .section-intro, .conversion-band-inner { grid-template-columns: 1fr; }
  .hero-proof { margin-top: 12px; }
  .page-section {
    padding: 56px 0;
  }
  .section-intro { gap: 20px; margin-bottom: 38px; }
  .architecture-flow, .mode-grid, .control-grid, .resource-grid, .support-grid { grid-template-columns: 1fr; }
  .assurance-bar { grid-template-columns: 1fr 1fr; }
  .assurance-item:nth-child(2) { border-right: 0; }
  .assurance-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .responsibility-grid { grid-template-columns: 1fr; }
  .responsibility-grid .table-head { display: none; }
  .responsibility-grid > div { border-right: 0; }
  .responsibility-grid > div:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .responsibility-grid > div:last-child { border-bottom: 0; }
  .responsibility-grid .row-title { padding-bottom: 7px; border-bottom: 0; background: rgba(255,255,255,.025); }
  .trust-table { display: block; overflow-x: auto; }
  .conversion-band-inner {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    gap: 32px;
  }
}
.subpage-hero-grid > *, .section-intro > *, .conversion-band-inner > *, .control-grid > *, .resource-grid > * { min-width: 0; }
.breadcrumb { flex-wrap: wrap; }
@media (max-width: 780px) {
  .trust-table { width: 100%; }
  .trust-table th, .trust-table td { min-width: 150px; }
  .conversion-band { padding: 48px 0; }
}

@media (max-width: 520px) {
  .subpage-hero h1 {
    font-size: clamp(2.25rem, 9.7vw, 2.5rem);
    font-weight: 650;
    line-height: 1.12;
    letter-spacing: -0.035em;
  }
  .assurance-bar { grid-template-columns: 1fr; }
  .assurance-item, .assurance-item:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .assurance-item:last-child { border-bottom: 0; }
  .mode-card, .control-card, .resource-card, .support-card {
    padding: 24px 0;
  }
}