/* Restored architecture interactions, using the current product design system. */
.h-site{--bed-bg:var(--h-bg);--bed-surface:var(--h-surface);--bed-surface-2:var(--honua-surface-2);--bed-text:var(--h-ink);--bed-text-dim:var(--h-muted);--bed-text-faint:var(--h-muted);--bed-rule:var(--h-line);--bed-teal:var(--honua-teal);--bed-teal-bright:var(--h-accent);--bed-blue:var(--h-teal);--bed-amber:var(--honua-amber-bright)}
.arch-masthead {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 40px;
}

.arch-masthead-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 26px 0 20px;
  border-bottom: 1px solid var(--bed-rule);
}

.arch-brand { flex: 0 0 auto; }
.arch-brand img { width: 44px; height: 44px; }

.arch-identity {
  display: flex;
  min-width: 300px;
  flex-direction: column;
  gap: 2px;
}

.arch-identity h1 {
  margin: 0;
  color: var(--bed-text);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.arch-identity h1 span { color: var(--bed-text-dim); font-weight: 400; }

.arch-identity p {
  margin: 0;
  color: var(--bed-text-faint);
  font: 10.5px/1.45 "Geist Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.arch-page {
  --arch-violet: #c9a8f0;
  --arch-violet-soft: rgba(201, 168, 240, 0.14);
  min-height: 70vh;
}

.arch-page .teal { color: var(--honua-teal); }
.arch-page :where(button, a) { -webkit-tap-highlight-color: transparent; }

.arch-intro {
  position: relative;
  isolation: isolate;
  max-width: 1280px;
  margin: 0 auto;
  padding: 74px 48px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, .7fr);
  gap: 56px;
  align-items: end;
  border-bottom: 1px solid var(--bed-rule);
}

.arch-intro .hex-bg {
  z-index: -1;
  opacity: .38;
  mask-image: linear-gradient(90deg, #000, transparent 82%);
}

.arch-intro-copy h1 {
  max-width: 800px;
  margin: 18px 0 16px;
  font-size: clamp(46px, 6vw, 72px);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.045em;
}

.arch-lede {
  max-width: 780px;
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 17px;
  line-height: 1.65;
}

.arch-status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.arch-boundary {
  padding: 22px 22px 24px;
  border: 1px solid rgba(217, 130, 74, .32);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(217, 130, 74, .08), transparent 58%),
    var(--bed-surface);
  box-shadow: 0 22px 54px rgba(0, 0, 0, .28);
}

.arch-boundary strong {
  display: block;
  margin-top: 9px;
  color: var(--bed-text);
  font-size: 17px;
}

.arch-boundary p {
  margin: 8px 0 14px;
  color: var(--bed-text-dim);
  font-size: 13px;
  line-height: 1.6;
}

.arch-boundary a,
.arch-link-row a,
.arch-agent-card a,
.arch-step-details a {
  color: var(--bed-teal-bright);
  font-family: "Geist Mono", monospace;
  font-size: 11.5px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.arch-kicker,
.arch-cloud-label {
  color: var(--bed-teal);
  font-family: "Geist Mono", monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  line-height: 1.35;
  text-transform: uppercase;
}

.arch-nav-wrap {
  margin-left: auto;
}

.arch-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bed-rule) transparent;
}

.arch-tabs button,
.arch-edition-controls button,
.arch-step-controls button,
.arch-play,
.arch-action {
  appearance: none;
  border: 1px solid var(--bed-rule);
  border-radius: 7px;
  background: var(--bed-surface);
  color: var(--bed-text-dim);
  font: 12px/1.2 "Geist Mono", monospace;
  cursor: pointer;
}

.arch-tabs button {
  flex: 0 0 auto;
  padding: 8px 14px;
  white-space: nowrap;
}

.arch-tabs button:hover,
.arch-tabs button[aria-selected="true"] {
  border-color: var(--bed-teal);
  background: var(--bed-surface-2);
  color: var(--bed-teal-bright);
}

.arch-panel {
  max-width: 1340px;
  margin: 0 auto;
  padding: 28px 40px 80px;
  scroll-margin-top: 24px;
}

.arch-panel[hidden],
.arch-capability-card[hidden],
.arch-step-details > [hidden] {
  display: none;
}

.arch-panel:focus { outline: 0; }

.arch-panel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .52fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--bed-rule);
}

.arch-panel-head h2 {
  max-width: 800px;
  margin: 6px 0 7px;
  font-size: clamp(22px, 2.7vw, 34px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.025em;
}

.arch-panel-head p {
  max-width: 760px;
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 12.5px;
  line-height: 1.55;
}

.arch-proof-stat {
  padding: 0 0 0 20px;
  border-left: 1px solid var(--bed-rule);
  color: var(--bed-text-dim);
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  line-height: 1.5;
}

.arch-proof-number {
  display: block;
  color: var(--bed-teal-bright);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.03em;
}

.arch-proof-stat small {
  display: block;
  margin-top: 7px;
  color: var(--bed-text-faint);
  font-size: 10px;
}

.arch-platform-stats {
  display: flex;
  align-items: baseline;
  gap: 12px 24px;
  flex-wrap: wrap;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--bed-rule);
  color: var(--bed-text-dim);
  font: 11.5px/1.45 "Geist Mono", monospace;
}

.arch-platform-stats strong {
  color: var(--bed-text);
  font-size: 16px;
  font-weight: 600;
}

.arch-platform-stats span:first-child strong { color: var(--bed-teal-bright); }

.arch-platform-stats a {
  margin-left: auto;
  color: var(--bed-teal-bright);
  font-size: 10.5px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.arch-status-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--bed-rule);
  border-radius: 10px;
  background: var(--bed-surface);
  color: var(--bed-text-dim);
  font-family: "Geist Mono", monospace;
  font-size: 10.5px;
}

.arch-status-stack > span {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px;
  align-items: center;
}

.arch-trace {
  position: relative;
  overflow: hidden;
  padding: 16px 20px;
  border: 1px solid var(--bed-teal);
  border-radius: 12px;
  background:
    linear-gradient(90deg, rgba(58, 160, 136, .1), transparent 56%),
    var(--bed-surface);
}

.arch-trace-head,
.arch-stepper-head,
.arch-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.arch-trace-head strong,
.arch-stepper-head h3,
.arch-section-title h3 {
  display: block;
  margin: 5px 0 0;
  color: var(--bed-text);
  font-size: 18px;
  font-weight: 600;
}

.arch-trace-head > div { min-width: 0; flex: 1 1 auto; }

.arch-trace-head h2 {
  margin: 5px 0 4px;
  color: var(--bed-text);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.25;
}

.arch-trace-head p {
  max-width: 850px;
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 12.5px;
  line-height: 1.5;
}

.arch-trace-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid rgba(58, 160, 136, .24);
}

.arch-trace-label strong {
  color: var(--bed-text);
  font-size: 12.5px;
  font-weight: 500;
}

.arch-action {
  flex: 0 0 auto;
  padding: 10px 14px;
  border-color: var(--bed-teal);
  background: var(--bed-surface-2);
  color: var(--bed-teal-bright);
}

.arch-action:hover,
.arch-action[data-tracing="true"] {
  background: var(--bed-surface-3);
}

.arch-request-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.arch-request-flow li {
  position: relative;
  min-height: 108px;
  padding: 13px 12px;
  border: 1px solid var(--bed-rule);
  border-radius: 8px;
  background: var(--bed-bg);
  transition: border-color .2s, background .2s, box-shadow .2s, opacity .2s;
}

.arch-request-flow li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -9px;
  z-index: 2;
  width: 18px;
  color: var(--bed-rule);
  text-align: center;
  transform: translateY(-50%);
}

.arch-request-flow li strong {
  display: block;
  margin: 8px 0 5px;
  color: var(--bed-text);
  font-size: 13px;
}

.arch-request-flow li > span:last-child {
  display: block;
  color: var(--bed-text-faint);
  font-size: 11.5px;
  line-height: 1.45;
}

.arch-node-index {
  color: var(--bed-blue);
  font: 10px/1 "Geist Mono", monospace;
  letter-spacing: .12em;
}

.arch-request-flow li.is-active {
  border-color: var(--bed-teal-bright);
  background: var(--bed-surface-2);
  box-shadow: 0 0 0 4px rgba(95, 196, 166, .1), 0 0 28px rgba(95, 196, 166, .18);
}

.arch-request-flow li.is-complete {
  border-color: rgba(58, 160, 136, .55);
}

.arch-request-flow li.is-complete .arch-node-index { color: var(--bed-teal-bright); }

.arch-trace-status {
  min-height: 18px;
  margin: 12px 0 0;
  color: var(--bed-text-faint);
  font: 10.5px/1.5 "Geist Mono", monospace;
}

.arch-runtime-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.arch-layer-card,
.arch-agent-card,
.arch-note-card,
.arch-guardrails article,
.arch-cloud-status article {
  padding: 16px;
  border: 1px solid var(--bed-rule);
  border-radius: 10px;
  background: var(--bed-surface);
}

.arch-layer-card {
  position: relative;
  overflow: hidden;
}

.arch-layer-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--bed-blue);
}

.arch-layer-runtime::before { background: var(--bed-teal); }
.arch-layer-data::before { background: var(--bed-amber); }

.arch-layer-card h3,
.arch-agent-card h3,
.arch-note-card h3,
.arch-cloud-status h3 {
  margin: 8px 0 7px;
  color: var(--bed-text);
  font-size: 17px;
  font-weight: 600;
}

.arch-layer-card p,
.arch-agent-card p,
.arch-note-card p,
.arch-guardrails p,
.arch-cloud-status p {
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 13px;
  line-height: 1.55;
}

.arch-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 15px;
}

.arch-chip-row span {
  padding: 4px 8px;
  border: 1px solid var(--bed-rule);
  border-radius: 5px;
  background: var(--bed-bg);
  color: var(--bed-text-dim);
  font: 10.5px/1.3 "Geist Mono", monospace;
}

.arch-editions {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--bed-rule);
}

.arch-edition-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.arch-edition-controls button {
  padding: 8px 11px;
}

.arch-edition-controls button:hover,
.arch-edition-controls button[aria-pressed="true"] {
  border-color: var(--bed-teal);
  color: var(--bed-teal-bright);
}

.arch-edition-description {
  min-height: 20px;
  margin: 12px 0 17px;
  color: var(--bed-text-dim);
  font-size: 13px;
}

.arch-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.arch-capability-card {
  display: flex;
  min-height: 156px;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--bed-rule);
  border-radius: 9px;
  background: var(--bed-surface);
}

.arch-capability-card h4,
.arch-step-details h4 {
  margin: 12px 0 6px;
  color: var(--bed-text);
  font-size: 15px;
  font-weight: 600;
}

.arch-capability-card p,
.arch-step-details p {
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 12.5px;
  line-height: 1.55;
}

.arch-tier {
  margin-top: auto;
  padding-top: 14px;
  color: var(--bed-text-faint);
  font: 10px/1 "Geist Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.arch-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 18px;
}

.arch-migration-map {
  display: grid;
  grid-template-columns: 1fr minmax(170px, .34fr) 1fr;
  gap: 12px;
  align-items: stretch;
  padding: 20px;
  border: 1px solid var(--bed-rule);
  border-radius: 11px;
  background: var(--bed-surface);
}

.arch-system {
  display: flex;
  min-height: 145px;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  border: 1px solid var(--bed-rule);
  border-radius: 9px;
  background: var(--bed-bg);
}

.arch-system strong {
  margin: 8px 0 5px;
  color: var(--bed-text);
  font-size: 18px;
}

.arch-system > span:last-child {
  color: var(--bed-text-dim);
  font-size: 12.5px;
  line-height: 1.5;
}

.arch-system-bridge {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bed-teal-bright);
  font: 10.5px/1.5 "Geist Mono", monospace;
  text-align: center;
  text-transform: uppercase;
}

.arch-side-by-side {
  grid-column: 1 / -1;
  padding: 9px 14px;
  border-radius: 6px;
  background: rgba(95, 161, 204, .08);
  color: var(--bed-blue-bright);
  font: 10.5px/1.5 "Geist Mono", monospace;
  text-align: center;
}

.arch-stepper {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--bed-rule);
  border-radius: 11px;
  background: var(--bed-surface);
}

.arch-play {
  padding: 8px 12px;
}

.arch-play:hover:not(:disabled),
.arch-play[data-playing="true"] {
  border-color: var(--bed-teal);
  color: var(--bed-teal-bright);
}

.arch-play:disabled {
  cursor: not-allowed;
  opacity: .46;
}

.arch-step-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  margin-top: 20px;
}

.arch-step-controls button {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  text-align: left;
}

.arch-step-controls button span {
  color: var(--bed-text-faint);
  font-size: 9.5px;
}

.arch-step-controls button:hover,
.arch-step-controls button[aria-selected="true"] {
  border-color: var(--bed-teal);
  background: var(--bed-surface-2);
  color: var(--bed-text);
}

.arch-step-controls button[aria-selected="true"] span { color: var(--bed-teal-bright); }

.arch-step-details {
  margin-top: 10px;
}

.arch-step-details > article {
  min-height: 166px;
  padding: 24px;
  border: 1px solid var(--bed-rule);
  border-radius: 9px;
  background:
    linear-gradient(110deg, rgba(58, 160, 136, .07), transparent 60%),
    var(--bed-bg);
}

.arch-step-details h4 {
  margin-top: 10px;
  font-size: 18px;
}

.arch-step-details p {
  max-width: 820px;
  font-size: 13px;
}

.arch-step-details code {
  display: inline-block;
  max-width: 100%;
  margin-top: 14px;
  padding: 8px 10px;
  overflow-wrap: anywhere;
  border: 1px solid var(--bed-rule);
  border-radius: 6px;
  background: var(--bed-surface);
  color: var(--bed-teal-bright);
  font: 11.5px/1.5 "Geist Mono", monospace;
}

.arch-step-details a { display: inline-block; margin-top: 14px; }

.arch-three-up,
.arch-guardrails {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.arch-note-card {
  display: flex;
  min-height: 170px;
  flex-direction: column;
  align-items: flex-start;
}

.arch-panel-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px solid rgba(217, 130, 74, .26);
  border-radius: 10px;
  background: rgba(217, 130, 74, .045);
}

.arch-panel-cta strong {
  display: block;
  margin-top: 5px;
  color: var(--bed-text);
  font-size: 16px;
}

.arch-panel-cta p {
  max-width: 740px;
  margin: 3px 0 0;
  color: var(--bed-text-dim);
  font-size: 12.5px;
}

.arch-panel-cta .btn { flex: 0 0 auto; }

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

.arch-agent-card {
  min-height: 220px;
  padding: 18px;
}

.arch-agent-card h3 { font-size: 21px; }
.arch-agent-card a { display: inline-block; margin-top: 17px; }

.arch-mini-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 18px;
  font: 10.5px/1.4 "Geist Mono", monospace;
}

.arch-mini-flow span {
  padding: 6px 8px;
  border: 1px solid var(--bed-rule);
  border-radius: 5px;
  background: var(--bed-bg);
  color: var(--bed-text);
}

.arch-mini-flow i {
  color: var(--bed-teal);
  font-style: normal;
}

.arch-guardrails article strong {
  display: block;
  margin: 7px 0 5px;
  color: var(--bed-text);
  font-size: 15px;
}

.arch-deployment {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1.15fr) 32px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--bed-rule);
  border-radius: 11px;
  background:
    radial-gradient(circle at 50% 50%, rgba(58, 160, 136, .09), transparent 45%),
    var(--bed-surface);
}

.arch-deploy-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.arch-cloud-label {
  min-height: 30px;
  padding: 0 4px;
  color: var(--bed-blue);
}

.arch-deploy-primary .arch-cloud-label { color: var(--bed-teal); }

.arch-deploy-box {
  display: flex;
  min-height: 102px;
  flex-direction: column;
  justify-content: center;
  padding: 15px;
  border: 1px solid var(--bed-rule);
  border-radius: 8px;
  background: var(--bed-bg);
}

.arch-deploy-box strong {
  color: var(--bed-text);
  font-size: 13px;
}

.arch-deploy-box span {
  margin-top: 5px;
  color: var(--bed-text-faint);
  font-size: 11.5px;
  line-height: 1.45;
}

.arch-deploy-accent {
  border-color: var(--bed-teal);
  background: var(--bed-surface-2);
  box-shadow: 0 0 0 4px rgba(58, 160, 136, .07);
}

.arch-deploy-arrow {
  color: var(--bed-teal);
  font-family: "Geist Mono", monospace;
  text-align: center;
}

.arch-cloud-status {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.arch-cloud-status article {
  display: flex;
  min-height: 160px;
  flex-direction: column;
  align-items: flex-start;
}

.arch-bottom-cta {
  max-width: 1340px;
  margin: 0 auto;
  padding: 82px 48px 94px;
  border-top: 1px solid var(--bed-rule);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(58, 160, 136, .14), transparent 55%);
}

.arch-bottom-cta h2 {
  margin: 13px 0 12px;
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -.035em;
}

.arch-bottom-cta h2 span { color: inherit; }

.arch-bottom-cta p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--bed-text-dim);
  font-size: 14.5px;
}

.arch-bottom-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 25px;
}

#overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

/* The id selector above outranks `.arch-panel[hidden]`, so without this the
   overview panel stayed rendered behind every other tab and the tab strip
   looked inert. Keep the hidden guard at id-level specificity. */
#overview[hidden] {
  display: none;
}

#overview > .arch-panel-head { grid-row: 1; }
#overview > .arch-platform-stats { grid-row: 1; }
#overview > .arch-trace { grid-row: 4; }
#overview > .arch-runtime-grid { grid-row: 5; }
#overview > .arch-editions { display: contents; }

#overview .arch-section-title {
  grid-row: 2;
  justify-content: flex-start;
  gap: 18px;
}

#overview .arch-section-title > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

#overview .arch-section-title h3 {
  margin: 0;
  color: var(--bed-text-dim);
  font-size: 13px;
  font-weight: 400;
}

#overview .arch-edition-description {
  grid-row: 3;
  margin: 8px 0 18px;
}

#overview .arch-capability-grid {
  grid-row: 6;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--bed-rule);
}

#overview .arch-link-row { grid-row: 7; }

@media (max-width: 1100px) {
  .arch-masthead { padding-right: 32px; padding-left: 32px; }
  .arch-masthead-inner { flex-wrap: wrap; }

  .arch-intro,
  .arch-panel,
  .arch-bottom-cta {
    padding-right: 32px;
    padding-left: 32px;
  }

  .arch-nav-wrap { width: 100%; margin-left: 60px; }
  .arch-request-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .arch-request-flow li:not(:last-child)::after { content: none; }
  .arch-capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch-cloud-status { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .arch-intro,
  .arch-panel-head {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .arch-intro { padding-top: 54px; }
  .arch-boundary { max-width: 680px; }
  .arch-nav-wrap { margin-left: 0; }
  .arch-runtime-grid { grid-template-columns: 1fr; }
  .arch-step-controls { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .arch-agent-grid { grid-template-columns: 1fr; }

  .arch-deployment {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .arch-deploy-arrow { transform: rotate(90deg); }
  .arch-cloud-label { min-height: 0; margin-top: 4px; }
}

@media (max-width: 720px) {
  .arch-masthead { padding-right: 18px; padding-left: 18px; }
  .arch-masthead-inner { align-items: flex-start; gap: 12px; padding-top: 18px; }
  .arch-brand img { width: 40px; height: 40px; }
  .arch-identity { min-width: 0; flex: 1 1 calc(100% - 52px); }
  .arch-identity h1 span { display: block; }
  .arch-identity p { margin-top: 2px; font-size: 9px; letter-spacing: .07em; }

  .arch-intro,
  .arch-panel,
  .arch-bottom-cta {
    padding-right: 18px;
    padding-left: 18px;
  }

  .arch-intro { padding-top: 40px; padding-bottom: 38px; }
  .arch-intro-copy h1 { font-size: 45px; }
  .arch-lede { font-size: 15px; }
  .arch-nav-wrap { width: 100%; padding: 0; }
  .arch-tabs button { padding: 9px 12px; font-size: 11px; }
  .arch-panel { padding-top: 38px; padding-bottom: 58px; }
  .arch-panel-head { margin-bottom: 22px; }
  .arch-panel-head h2 { font-size: 33px; }
  .arch-request-flow { grid-template-columns: 1fr; }
  .arch-trace-head,
  .arch-stepper-head,
  .arch-section-title,
  .arch-panel-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .arch-action,
  .arch-panel-cta .btn { width: 100%; }
  .arch-capability-grid,
  .arch-three-up,
  .arch-guardrails,
  .arch-cloud-status { grid-template-columns: 1fr; }
  .arch-migration-map { grid-template-columns: 1fr; }
  .arch-system-bridge { min-height: 36px; }
  .arch-side-by-side { grid-column: auto; }
  .arch-stepper { padding: 16px; }
  .arch-step-controls { grid-template-columns: 1fr 1fr; }
  .arch-step-details > article { min-height: 0; padding: 20px; }
  .arch-mini-flow { align-items: stretch; flex-direction: column; }
  .arch-mini-flow i { transform: rotate(90deg); text-align: center; }
  .arch-deployment { padding: 16px; }
  .arch-bottom-cta { padding-top: 60px; padding-bottom: 70px; }
}

@media (prefers-reduced-motion: no-preference) {
  .arch-request-flow li.is-active {
    animation: arch-node-pulse .7s ease-in-out;
  }
}

@keyframes arch-node-pulse {
  0% { transform: translateY(0); }
  45% { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

.h-site .arch-page{padding:36px 0 64px;max-width:1240px}
.h-site .arch-hero{padding-block:64px 36px}
.h-site .arch-tabs{width:100%;display:flex;flex-wrap:wrap;padding:8px;gap:6px;border:1px solid var(--h-line);border-radius:8px;background:var(--h-surface)}
.h-site .arch-tabs button{border:0;min-height:44px;font-family:HonuaSans,Arial,sans-serif;font-size:13px;padding:12px 16px;flex:1 1 auto}
.h-site .arch-tabs button[aria-selected=true]{background:var(--h-accent);color:var(--h-dark)}
.h-site .arch-panel{animation:none}
.h-site .arch-panel h2{font-size:clamp(26px,3vw,39px);line-height:1.2}
.h-site .arch-panel h3{font-size:22px;line-height:1.25}
.h-site .arch-panel p{line-height:1.7}
.h-site .arch-action{min-height:44px;color:var(--h-ink);background:var(--h-surface);border:1px solid var(--h-line)}
.h-site .arch-kicker{font:11px/1.6 HonuaMono,monospace;color:var(--h-teal)}
.h-site .arch-chip-row span{font:12px/1.6 HonuaSans,sans-serif}
.h-site .arch-page .arch-muted,.h-site .arch-page .note{font-size:13px;color:var(--h-muted)}
.h-site .arch-reference{padding-bottom:44px}
.h-site .arch-panel .h-panel-bottom{margin-top:40px}
.h-site .arch-panel a{color:var(--h-accent)}
.h-site .arch-panel li{line-height:1.6}
.h-site .arch-page ul,.h-site .arch-page ol{padding-left:0}
.h-site .arch-trace-status{margin-top:15px;font-size:12px}
.h-site .arch-request-flow li strong{font-size:15px}
.h-site .arch-request-flow li>span:last-child{font-size:12px}
.h-site .arch-layer-card,.h-site .arch-agent-card,.h-site .arch-note-card,.h-site .arch-guardrails article,.h-site .arch-cloud-status article{padding:23px;border-radius:8px}
@media(max-width:720px){.h-site .arch-tabs button{flex:1 1 30%;padding:10px 8px}.h-site .arch-request-flow{grid-template-columns:1fr}.h-site .arch-runtime-grid{grid-template-columns:1fr}.h-site .arch-page{padding-top:24px}.h-site .arch-trace-head{flex-wrap:wrap}.h-site .arch-panel h2{font-size:28px}}
.h-site .arch-nav-wrap.h-wrap{width:min(1240px,calc(100% - 96px));min-width:0;margin-inline:auto}
.h-site .arch-panel div{min-width:0}
.h-site .arch-status-stack>span{white-space:normal;max-width:100%;overflow-wrap:anywhere}
@media(max-width:760px){.h-site .arch-nav-wrap.h-wrap{width:calc(100% - 40px)}}
.h-site .arch-status-stack>span{display:block}
.h-site .evidence-badge{display:inline-block;font:10px/1.6 HonuaMono,monospace;border:1px solid var(--h-line);border-radius:3px;padding:1px 6px;margin-right:6px;color:var(--h-teal)}

/* One deployment view: compare operating models without hiding the choices. */
.h-site #deployment{padding-inline:0}
.deployment-section{margin-top:38px}
.deployment-section>h3,.deployment-section-head{margin-bottom:20px}
.deployment-section-head p{max-width:780px;margin-top:10px;color:var(--h-muted);font-size:15px}
.deployment-runtime-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.deployment-runtime{border:1px solid var(--h-line);background:var(--h-surface);padding:24px;min-width:0;scroll-margin-top:110px}
.deployment-runtime .h-kicker{font-size:10px;margin-bottom:15px;letter-spacing:.07em}
.deployment-runtime h4{font-size:25px;line-height:1.16;letter-spacing:-.025em}
.deployment-runtime p{font-size:14px;color:var(--h-muted);margin-top:13px;min-height:72px}
.deployment-runtime dl{display:grid;grid-template-columns:1fr;gap:2px;margin-top:20px;padding-top:15px;border-top:1px solid var(--h-line);font-size:13px}
.deployment-runtime dt{color:var(--h-muted);font-size:11px;margin-top:9px}
.deployment-runtime dt:first-child{margin-top:0}
.deployment-runtime dd{margin:0;line-height:1.5}
.deployment-blueprint{border:1px solid var(--h-line);background:var(--h-surface);padding:26px}
.deployment-lane{display:grid;grid-template-columns:140px minmax(0,1fr);gap:22px;align-items:center}
.deployment-lane+.deployment-lane{margin-top:20px}
.deployment-lane .h-kicker{margin:0;font-size:10px}
.h-site .deployment-lane ol{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:0;padding:0}
.h-site .deployment-lane li{position:relative;border:1px solid var(--h-line);padding:14px 10px;text-align:center;font-size:13px;line-height:1.5;display:flex;justify-content:center;align-items:center}
.deployment-lane li:not(:last-child)::after{content:'→';position:absolute;right:-19px;color:var(--h-teal)}
.deployment-state{border-top:1px solid var(--h-line);margin-top:26px;padding-top:20px}
.deployment-state strong{display:block;font-size:15px;margin-bottom:8px}
.deployment-state p{font-size:13px;color:var(--h-muted);max-width:920px}
.deployment-table-wrap{border:1px solid var(--h-line)}
.deployment-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px;text-align:left}
.deployment-table th,.deployment-table td{padding:15px 20px;border-bottom:1px solid var(--h-line);vertical-align:top;line-height:1.5;overflow-wrap:anywhere}
.deployment-table thead{background:var(--h-surface)}
.deployment-table th{font-weight:550;color:var(--h-ink)}
.deployment-table th:first-child{width:29%}
.deployment-table tbody th{color:var(--h-muted);font-weight:400}
.deployment-table tbody tr:last-child>*{border-bottom:0}
.h-site .deployment-scope{font-size:13px;color:var(--h-muted);margin-top:16px;max-width:960px}
.deployment-reference{border:1px solid var(--h-line);margin-top:12px;background:var(--h-surface)}
.deployment-reference summary{cursor:pointer;padding:20px 24px;font-size:16px;font-weight:500;line-height:1.5}
.deployment-reference summary span{display:inline-block;font-size:13px;font-weight:400;color:var(--h-muted);margin-left:14px}
.deployment-reference[open] summary{border-bottom:1px solid var(--h-line)}
.deployment-reference summary:focus-visible{outline:2px solid var(--h-teal);outline-offset:3px}
.deployment-reference-body{padding:24px}
.deployment-reference-body .arch-deployment{margin:0}
.deployment-reference-body .arch-status-stack{margin-top:24px}
@media(max-width:1000px){.deployment-runtime{padding:20px}.deployment-runtime h4{font-size:22px}.deployment-lane{grid-template-columns:1fr;gap:12px}.deployment-lane+.deployment-lane{margin-top:26px}}
@media(max-width:720px){.deployment-runtime-grid{grid-template-columns:1fr}.deployment-runtime p{min-height:0}.deployment-runtime dl{grid-template-columns:88px 1fr;align-items:baseline;gap:8px}.deployment-runtime dt{margin:0}.deployment-blueprint{padding:20px}.h-site .deployment-lane ol{grid-template-columns:1fr 1fr;gap:12px}.h-site .deployment-lane li{font-size:13px;padding:14px 8px}.deployment-lane li:not(:last-child)::after{content:none}.deployment-table{font-size:13px}.deployment-table th,.deployment-table td{padding:12px 10px}.deployment-reference summary{padding:18px}.deployment-reference summary span{display:block;margin:5px 0 0 17px}.deployment-reference-body{padding:18px}.deployment-section{margin-top:30px}}
@media print{.deployment-runtime-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.deployment-reference{break-inside:avoid}.deployment-runtime,.deployment-blueprint{background:transparent}}

/* Keep each interface distinct and show the complete provider catalog. */
#overview .arch-runtime-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#overview .arch-layer-data { grid-column: 1 / -1; }
#overview .arch-source-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
#overview .arch-source-group { min-width: 0; padding: 18px; border: 1px solid var(--bed-rule); border-radius: 5px; background: var(--bed-bg); }
#overview .arch-source-group h4, #overview .arch-supporting-state h4 { margin: 0 0 14px; font-size: 14px; line-height: 1.5; letter-spacing: 0; }
#overview .arch-source-group h4 small { display: inline-block; margin-left: 10px; color: var(--bed-amber); font-size: 11px; font-weight: 500; }
#overview .arch-source-group .arch-chip-row, #overview .arch-supporting-state .arch-chip-row { margin-top: 0; }
#overview .arch-source-detail { margin-top: 18px; font-size: 13px; }
#overview .arch-source-detail a { color: var(--bed-teal-bright); text-decoration: underline; text-underline-offset: 4px; }
#overview .arch-supporting-state { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--bed-rule); }
@media (max-width: 760px) {
  #overview .arch-runtime-grid, #overview .arch-source-groups { grid-template-columns: minmax(0, 1fr); }
}