/* I43: scoped shared-infrastructure views; accepted shared styles unchanged. */
.infra-intro {margin:20px 0 18px;text-align:center}
.infra-intro h1 {font-size:clamp(24px,3.6vw,36px)}
.infra-intro>p:last-child {max-width:800px;margin:10px auto 0;color:var(--muted);font-size:15px}
.infra-overview {margin:0 auto;scroll-margin-top:70px;width:min(100%,calc((100dvh - 100px)*1.7768))}
.infra-art {position:relative;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#061326;box-shadow:0 18px 55px #0005}
.infra-art img {display:block;width:100%;height:auto}
.infra-hotspot {position:absolute;left:2%;width:96%;border:2px solid transparent;border-radius:12px}
.infra-hotspot:hover,.infra-hotspot:focus-visible {border-color:var(--gold-l);background:#d4af3714;outline-offset:-2px}
.infra-foundation {top:64%;height:33%}.infra-setup {top:38%;height:24%}.infra-outputs {top:12%;height:25%}
.infra-topics {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 24px}
.infra-topics a {display:flex;flex-direction:column;gap:5px;min-width:0;padding:16px;border:1px solid var(--line-s);border-top:3px solid var(--line-s);border-radius:12px;background:var(--card);color:var(--text);text-decoration:none}
.infra-topics a:hover {border-color:var(--line)}
.infra-topics [aria-current="page"] {border-color:var(--gold);background:linear-gradient(180deg,#d4af3714,var(--panel))}
.infra-topics small {font-size:10.5px;font-weight:800;color:var(--gold-l);letter-spacing:.06em}
.infra-topics b {font-size:16px;line-height:1.3;color:var(--cream)}
.infra-topics span {font-size:12px;color:var(--muted)}
.infra-details {scroll-margin-top:76px;padding:24px;border:1px solid var(--line-s);border-radius:16px;background:linear-gradient(140deg,#151e2c,#10141c)}
.infra-details:focus {outline:none}.infra-details:focus-visible{outline:2px solid var(--gold)}
.infra-details h2 {font-size:clamp(23px,3vw,30px);line-height:1.2;margin:4px 0 10px}
.infra-details h3 {font-size:17px;margin:0 0 10px}
.infra-card h3 {font-size:14px;color:var(--cream);margin:0 0 5px}
.infra-lede {max-width:850px;font-size:16px;margin:0 0 22px;color:#c7cfde}
.infra-section {margin-top:26px}
.infra-grid {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.infra-card {min-width:0;padding:16px;border:1px solid var(--line-s);border-radius:12px;background:#18202e}
.infra-card p {font-size:13px;color:#b1bbcd;margin:0}
.infra-card small {display:block;margin:8px 0 0;color:var(--muted);font-size:12px}
.infra-card a {display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700}
.infra-example {margin-top:24px;padding:20px;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;background:#d4af3707}
.infra-example>p {margin:8px 0;color:#c7cfde}
.infra-example .fd-kick {font-size:10.5px;color:var(--gold-l);text-transform:none}
.infra-example h3 {margin-top:4px}
.infra-split {display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.infra-split>section {padding:16px;border:1px solid var(--line-s);border-radius:12px;background:#151d29}
.infra-split p {margin:0;color:#b1bbcd;font-size:13px}
.infra-links {display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px}
.infra-links a {font-size:12.5px;font-weight:700}
.infra-note {padding:12px 14px;border-radius:10px;background:#65adff0b;color:#b5c7de;font-size:13px;margin-top:18px}
.infra-blueprint {display:grid;grid-template-columns:1fr 1fr;gap:0 22px;margin:10px 0 0}
.infra-blueprint div {padding:12px 0;border-top:1px solid var(--line-s)}
.infra-blueprint dt {font-weight:800;color:var(--gold-l);font-size:12px;margin:0 0 5px}
.infra-blueprint dd {margin:0;color:#c7cfde;font-size:13px}
.infra-checks {border-top:1px solid var(--line-s);margin-top:18px;padding-top:12px}
.infra-checks summary {cursor:pointer;color:var(--gold-l);font-weight:700;font-size:13px;padding:4px 0}
.infra-checks li {margin:8px 0;color:#c7cfde;font-size:13px}
.infra-output-list {display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.infra-output-list .infra-card:last-child {grid-column:1/-1}
.infra-return {display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:22px;font-size:13px;font-weight:700}
.fd-foot {text-transform:none}
@media(max-width:760px){.infra-grid{grid-template-columns:1fr 1fr}.infra-details{padding:18px}}
@media(max-width:560px){.infra-topics,.infra-grid,.infra-split,.infra-output-list,.infra-blueprint{grid-template-columns:1fr}.infra-topics{gap:8px}.infra-topics a{padding:12px}.infra-topics span{display:none}.infra-details{padding:16px}.infra-example{padding:16px}.infra-intro>p:last-child{font-size:14px}.infra-output-list .infra-card:last-child{grid-column:auto}.infra-topics small{font-size:10px}}
@media(prefers-reduced-motion:no-preference){.infra-topics a,.infra-hotspot{transition:border-color .15s,background .15s}}