/* C: an inspectable four-node chain. No text is hidden for an entrance effect. */
.home-v5 [data-architecture] .access-chain {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 48px 0 28px;
  padding: 0;
  list-style: none;
}
.home-v5 [data-architecture] .access-chain li {
  position: relative;
  display: block;
  min-width: 0;
  padding: 0 24px 0 0;
}
.home-v5 [data-architecture] .node-number {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--brand);
  border-radius: 50%;
  background: var(--surface);
  color: var(--brand);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.home-v5 [data-architecture] .access-chain li:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 19px;
  right: 0;
  left: 40px;
  width: auto;
  height: 1px;
  background: var(--brand);
  transform-origin: left;
}
.home-v5 [data-architecture] .access-chain li:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 16px;
  right: 12px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--brand);
  border-right: 1px solid var(--brand);
  transform: rotate(45deg);
}
.home-v5 [data-architecture] .access-chain h3 {
  margin: 18px 0 8px;
  font-size: 20px;
  line-height: 1.3;
}
.home-v5 [data-architecture].architecture-enhanced .access-chain h3 { margin: 8px 0 0; }
.home-v5 [data-architecture] .access-chain p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}
.home-v5 [data-architecture] .connection-node {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: 100%;
  margin: 0;
  padding: 9px 0;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-weight: inherit;
  line-height: inherit;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: .24em;
  cursor: pointer;
}
.home-v5 [data-architecture] .connection-node:hover,
.home-v5 [data-architecture] .connection-node[aria-pressed='true'] {
  color: var(--brand);
  text-decoration-color: currentColor;
}
.home-v5 [data-architecture] li.is-current .node-number {
  background: var(--brand);
  color: var(--surface);
}
.home-v5 [data-architecture-toolbar] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.home-v5 [data-architecture-toolbar]:empty { display: none; }
.home-v5 .architecture-hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}
.home-v5 .architecture-reset {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 0;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--brand);
  font: inherit;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: .22em;
  cursor: pointer;
}
.home-v5 [data-architecture] :is(.connection-node, .architecture-reset):focus-visible {
  outline: 3px solid var(--focus, var(--brand));
  outline-offset: 4px;
  box-shadow: 0 0 0 6px var(--surface);
}
.home-v5 .architecture-detail {
  margin-top: 20px;
  padding: 26px 0 28px;
  border-top: 1px solid var(--border);
}
.home-v5 .architecture-detail h3 {
  margin: 0 0 10px;
  font-size: 23px;
  line-height: 1.3;
}
.home-v5 .architecture-detail p {
  max-width: 84ch;
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}
.home-v5 .architecture-detail [data-demo-note] + [data-demo-note],
.home-v5 .architecture-detail [data-architecture-overview] + [data-demo-note] { margin-top: 28px; }
.home-v5 .architecture-enhanced .architecture-detail {
  min-height: 150px;
  margin-top: 12px;
}
.home-v5 .architecture-enhanced .architecture-detail [data-demo-note] { margin-top: 0; }
.home-v5 [data-architecture] [hidden] { display: none !important; }

@media (prefers-reduced-motion: no-preference) {
  .home-v5 [data-architecture].is-architecture-playing .access-chain li:not(:last-child)::after {
    animation: architecture-c-draw-x 420ms var(--ease-enter, cubic-bezier(.22,1,.36,1)) both;
  }
  .home-v5 [data-architecture].is-architecture-playing .access-chain li:nth-child(2)::after { animation-delay: 505ms; }
  .home-v5 [data-architecture].is-architecture-playing .access-chain li:nth-child(3)::after { animation-delay: 1010ms; }
  .home-v5 [data-architecture].is-architecture-playing .node-number { animation: architecture-c-confirm 180ms var(--ease-ui, ease-out) both; }
  .home-v5 [data-architecture].is-architecture-playing li:nth-child(2) .node-number { animation-delay: 420ms; }
  .home-v5 [data-architecture].is-architecture-playing li:nth-child(3) .node-number { animation-delay: 925ms; }
  .home-v5 [data-architecture].is-architecture-playing li:nth-child(4) .node-number { animation-delay: 1430ms; }
}
@keyframes architecture-c-draw-x { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes architecture-c-draw-y { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes architecture-c-confirm {
  0%, 100% { box-shadow: 0 0 0 0 transparent; }
  50% { box-shadow: 0 0 0 4px var(--surface-secondary); }
}
@media (max-width: 1000px) and (min-width: 861px) {
  .home-v5 [data-architecture] .access-chain h3 { font-size: 17px; }
}
@media (max-width: 860px) {
  .home-v5 [data-architecture] .access-chain { grid-template-columns: 1fr; margin: 34px 0 8px; }
  .home-v5 [data-architecture] .access-chain li {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    column-gap: 20px;
    padding: 0 0 30px;
  }
  .home-v5 [data-architecture] .node-number { grid-column: 1; grid-row: 1 / span 2; }
  .home-v5 [data-architecture] .access-chain h3 { grid-column: 2; margin: 7px 0 6px; }
  .home-v5 [data-architecture].architecture-enhanced .access-chain h3 { margin: -2px 0 0; }
  .home-v5 [data-architecture] .access-chain p { grid-column: 2; }
  .home-v5 [data-architecture] .access-chain li:not(:last-child)::after {
    top: 40px;
    right: auto;
    left: 19px;
    width: 1px;
    height: calc(100% - 40px);
    transform-origin: top;
  }
  .home-v5 [data-architecture] .access-chain li:not(:last-child)::before {
    top: auto;
    right: auto;
    bottom: 12px;
    left: 16px;
    transform: rotate(135deg);
  }
  .home-v5 .architecture-enhanced .architecture-detail { min-height: 160px; }
}
@media (max-width: 860px) and (prefers-reduced-motion: no-preference) {
  .home-v5 [data-architecture].is-architecture-playing .access-chain li:not(:last-child)::after { animation-name: architecture-c-draw-y; }
}
@media (max-width: 540px) {
  .home-v5 [data-architecture] .access-chain h3 { font-size: 19px; }
  .home-v5 .architecture-detail { padding-block: 22px; }
  .home-v5 .architecture-detail h3 { font-size: 21px; }
  .home-v5 .architecture-enhanced .architecture-detail { min-height: 220px; }
}
@media (prefers-reduced-motion: reduce) {
  .home-v5 [data-architecture], .home-v5 [data-architecture] *,
  .home-v5 [data-architecture] *::before, .home-v5 [data-architecture] *::after {
    animation: none !important;
    transition: none !important;
  }
}