/* DevOps and Backend expertise pages: project-led infrastructure stories with crawlable HTML diagrams. Scoped to .infra-expertise. */
.infra-expertise{--infra-ink:#0f1d24;--infra-paper:#f4f3ee;--infra-mist:#e3ebec;--infra-text:#1f3039;--infra-muted:#4d6068;--infra-line:#b9c5c6;--infra-accent:#86cfe0;--infra-ours:#1f5468;--infra-ours-soft:#d7e9ee;--mono:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--infra-paper);color:var(--infra-text)}
.infra-backend{--infra-accent:#f2c45e;--infra-ours:#6a4c12;--infra-ours-soft:#f5e8c6}
.infra-expertise h1,.infra-expertise h2,.infra-expertise h3{font-weight:550;letter-spacing:-.05em}
.infra-expertise h1{font-size:clamp(46px,5vw,74px);line-height:1.04;margin:22px 0 0}
.infra-expertise h1 em{font-style:normal;color:var(--infra-accent)}
.infra-expertise h2{font-size:clamp(34px,3.7vw,52px);line-height:1.1}
.infra-expertise h3{font-size:clamp(22px,2vw,28px);line-height:1.2;letter-spacing:-.035em}
.infra-expertise p{line-height:1.75}
.infra-expertise .eyebrow{font-size:11px;letter-spacing:.13em}
.infra-expertise a:focus-visible,.infra-expertise button:focus-visible{outline:3px solid #9b6300;outline-offset:4px}
.infra-hero a:focus-visible,.infra-ink a:focus-visible,.infra-ink button:focus-visible{outline-color:var(--yellow)}

/* Hero */
.infra-hero{background:var(--infra-ink);color:#f3f4ef;background-image:linear-gradient(#ffffff0a 1px,transparent 1px),linear-gradient(90deg,#ffffff0a 1px,transparent 1px);background-size:44px 44px;overflow:hidden}
.infra-opening{display:grid;grid-template-columns:1fr 1.02fr;gap:64px;align-items:center;padding:64px 0 84px}
.infra-hero .eyebrow{color:#b5c4c9}
.infra-lead{font-size:18px;color:#c4d0d3;max-width:580px;margin-top:26px}
.infra-actions{display:flex;flex-wrap:wrap;gap:26px;align-items:center;margin-top:32px}
.infra-jump{font-size:14px;font-weight:700;min-height:44px;display:inline-flex;align-items:center;gap:10px}
.infra-jump:hover{color:var(--infra-accent)}
.infra-manifest{background:#09141a;border:1px solid #3f5560;border-radius:8px;box-shadow:0 30px 60px #0007;font-family:var(--mono);min-width:0}
.infra-manifest-bar{display:flex;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid #2f434d;font-size:11px;color:#8fa6ae;text-transform:uppercase;letter-spacing:.08em}
.infra-manifest-bar span:first-child:before{content:'';display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--infra-accent);margin-right:10px;box-shadow:0 0 0 4px #86cfe022}
.infra-manifest ol{list-style:none;margin:0;padding:8px 0}
.infra-manifest li+li{border-top:1px dashed #2f434d}
.infra-devops .infra-manifest a{display:grid;grid-template-columns:1fr;gap:6px 14px;padding:20px 22px;transition:background .15s}

.infra-manifest a:hover{background:#ffffff08}
.infra-manifest-name{font:700 17px/1.4 Manrope,Arial,sans-serif;letter-spacing:-.02em;color:#fff}
.infra-manifest-stack{font-size:13px;line-height:1.6;color:var(--infra-accent)}
.infra-manifest-note{font-size:12px;line-height:1.6;color:#9fb1b7}
.infra-manifest figcaption{padding:15px 22px;border-top:1px solid #2f434d;font:12px/1.6 Manrope,Arial,sans-serif;color:#9fb1b7}
.infra-hero-shot{position:relative;min-width:0;background:#e9e3cf;border-radius:8px;padding:26px 26px 20px;color:var(--infra-text);box-shadow:0 30px 60px #0007}
.infra-hero-shot img{width:100%;height:auto;max-height:330px;object-fit:contain}
.infra-hero-trace{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;font:11px/1.45 var(--mono);color:#4b3c16}
.infra-hero-trace li{position:relative;background:#f8f3e3;border:1px solid #c9b47a;border-radius:4px;padding:10px 10px 9px}
.infra-hero-trace span{display:block;font-weight:700;color:#8a6412;margin-bottom:4px}
.infra-hero-trace li+li:before{content:'→';position:absolute;left:-7px;top:50%;transform:translate(-50%,-50%);font-size:12px;color:#8a6412}
.infra-hero-shot figcaption{font-size:12px;line-height:1.6;color:#5d5236;margin-top:14px;padding-top:12px;border-top:1px solid #cdbf98}

/* Chapters */
.infra-chapter{padding:96px 0}
.infra-tight{padding-top:20px}
.infra-paper{background:var(--infra-paper)}
.infra-mist{background:var(--infra-mist)}
.infra-ink{background:var(--infra-ink);color:#f1f3ee}
.infra-ink .eyebrow{color:var(--infra-accent)}
.infra-heading{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;align-items:end;margin-bottom:46px}
.infra-heading .eyebrow{color:#53696f;margin-bottom:16px}
.infra-ink .infra-heading .eyebrow{color:var(--infra-accent)}
.infra-heading>p{font-size:17px;color:var(--infra-muted);max-width:560px}
.infra-ink .infra-heading>p{color:#bccace}
.infra-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:14px;font-weight:700;text-underline-offset:5px}
.infra-link:hover{text-decoration:underline}

/* Client projects remain inline in every reading mode. */
.infra-project{display:grid;grid-template-columns:1.12fr 1fr;gap:52px;align-items:start;padding:34px;background:#fbfaf6;border:1px solid var(--infra-line);border-radius:8px}
.infra-project+.infra-project{margin-top:26px}
.infra-project[hidden]{display:none}
.infra-project-art{display:grid;gap:18px;min-width:0}
.infra-shot{min-width:0;border-radius:6px;padding:22px 22px 14px;background:#e6ecee}
.infra-tone-rose .infra-shot{background:#f2e3e8}
.infra-tone-azure .infra-shot{background:#dcebf1}
.infra-tone-blue .infra-shot{background:#e1eaf6}
.infra-shot-gold{background:#f3ead0}
.infra-shot-blue{background:#e1e9f4}
.infra-shot img{width:100%;height:270px;object-fit:contain}
.infra-shot figcaption{font-size:12px;line-height:1.6;color:#4d5f66;margin-top:12px}
.infra-project-copy .eyebrow{color:#53696f}
.infra-project-copy h3{margin:16px 0 18px;font-size:clamp(26px,2.4vw,34px)}
.infra-project-copy>p{font-size:16px;color:var(--infra-muted)}
.infra-project-copy>p+p{margin-top:14px}
.infra-why{margin:24px 0 8px;border-left:3px solid var(--infra-ours);padding-left:18px}
.infra-why strong{display:block;font:11px/1.7 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--infra-ours);margin-bottom:6px}
.infra-why p{font-size:15px}

/* Diagrams */
.infra-diagram{border:1px dashed #9db0b5;border-radius:6px;padding:16px;background:#fff}
.infra-diagram-label{font:10px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:#5a6d73;margin-bottom:12px}
.infra-flow{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center}
.infra-node{border:1.5px solid var(--infra-ours);border-radius:5px;padding:12px 14px;background:var(--infra-ours-soft);min-width:0}
.infra-node-kind{display:block;font:700 10px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--infra-ours);margin-bottom:6px}
.infra-node ul{list-style:none;margin:0;padding:0;font-size:13px;line-height:1.55}
.infra-node li+li{margin-top:4px}
.infra-node li b{font:600 11px var(--mono);color:#43575d;margin-right:6px}
.infra-node-cloud{border-color:#c98b1d;background:#fbf0d9}
.infra-node-cloud .infra-node-kind{color:#8a5a00}
.infra-node-before{border-style:dashed;border-color:#8d9a9e;background:#f1f2ef}
.infra-node-before .infra-node-kind{color:#5d6a6e}
.infra-envs ul{display:grid;gap:6px}
.infra-envs li{border:1px solid #d7b064;background:#fff;border-radius:3px;padding:4px 8px;font:11px var(--mono)}
.infra-envs li+li{margin-top:0}
.infra-edge{font:10px/1.3 var(--mono);color:#5a6d73;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2px;max-width:76px}
.infra-edge:after{content:'→';font-size:20px;color:var(--infra-ours)}
.infra-diagram-frame{margin-top:12px;padding-top:10px;border-top:1px dotted #9db0b5;font:11px/1.5 var(--mono);color:#4f6268}

/* Release pipeline */
.infra-pipeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.infra-pipeline:before{content:'';position:absolute;left:0;right:0;top:19px;height:2px;background:linear-gradient(90deg,#3d5662,#3d5662)}
.infra-pipeline li{position:relative;padding:44px 20px 24px;border:1px solid #3d5662;border-radius:6px;background:#132830;transition:border-color .18s,background .18s,transform .18s}
.infra-pipeline li:before{content:'';position:absolute;top:12px;left:20px;width:14px;height:14px;border-radius:50%;background:var(--infra-ink);border:2px solid var(--infra-accent)}
.infra-pipeline h3{font-size:20px;margin:14px 0 12px}
.infra-pipeline p{font-size:14px;color:#bccace}
.infra-step{font:11px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--infra-accent)}
.infra-pipeline[data-running] li{opacity:1}
.infra-pipeline li.is-lit{opacity:1;border-color:var(--infra-accent);background:#183843;transform:translateY(-4px)}
.infra-pipeline li.is-lit:before{background:var(--infra-accent)}
.infra-test{display:grid;grid-template-columns:200px 1fr;gap:30px;align-items:baseline;margin-top:52px;padding-top:28px;border-top:1px solid #3d5662}
.infra-test p:last-child{font-size:18px;color:#cdd8db;max-width:820px}
.infra-test strong{display:block;font-size:clamp(22px,2.3vw,30px);font-weight:550;letter-spacing:-.035em;line-height:1.3;color:#fff;margin-bottom:8px}

/* Tables */
.infra-table{border-top:2px solid var(--infra-text)}
.infra-row{display:grid;grid-template-columns:1.05fr .85fr 1.5fr;gap:28px;padding:22px 0;border-bottom:1px solid var(--infra-line);font-size:15px;line-height:1.65;color:var(--infra-muted)}
.infra-row b{display:block;color:var(--infra-text);font-size:17px;letter-spacing:-.02em;margin-bottom:4px}
.infra-row-head{padding:14px 0;font:11px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:#53696f}
.infra-service{font:600 14px/1.6 var(--mono);color:var(--infra-ours)}
.infra-note{margin-top:20px;font-size:13px;color:#5a6d73;max-width:780px}
.infra-ink .infra-table{border-top-color:var(--infra-accent)}
.infra-ink .infra-row{border-bottom-color:#33505b;color:#bccace}
.infra-ink .infra-row b{color:#fff}
.infra-ink .infra-row-head{color:var(--infra-accent)}
.infra-table-decisions .infra-row{grid-template-columns:.6fr 1.6fr 1.1fr}
.infra-table-decisions .infra-row span:last-child{color:#e9eee9}

/* AI operations */
.infra-split{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:start}
.infra-split .eyebrow{color:#53696f;margin-bottom:16px}
.infra-body{font-size:17px;color:var(--infra-muted);margin:22px 0 26px;max-width:560px}
.infra-checklist{list-style:none;margin:0;padding:0;border-top:1px solid var(--infra-line)}
.infra-checklist li{padding:15px 0;border-bottom:1px solid var(--infra-line);font-size:15px;line-height:1.6;color:var(--infra-muted)}
.infra-checklist b{display:inline-block;min-width:104px;font:600 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--infra-ours)}
.infra-ai-proof{display:grid;gap:16px}
.infra-ai-proof article{background:#fbfaf6;border:1px solid var(--infra-line);border-radius:6px;padding:24px 26px 14px}
.infra-ai-proof article .eyebrow{margin-bottom:10px}
.infra-ai-proof article p:not(.eyebrow){font-size:15px;color:var(--infra-muted)}
.infra-related{font-size:14px;font-weight:700;padding:8px 2px;min-height:44px;display:inline-flex;align-items:center;gap:10px}
.infra-related:hover{text-decoration:underline;text-underline-offset:5px}

/* Deliverables and scope */
.infra-deliverables{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.infra-deliverables article{border-top:3px solid var(--infra-ours);padding-top:20px}
.infra-deliverables span{font:11px var(--mono);color:#53696f}
.infra-deliverables h3{font-size:22px;margin:16px 0 12px}
.infra-deliverables p{font-size:14px;color:var(--infra-muted)}
.infra-scope{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;margin-top:46px;padding:26px 30px;background:var(--infra-mist);border-radius:6px}
.infra-scope p{font-size:15px;color:var(--infra-muted)}
.infra-scope strong{color:var(--infra-text)}
.infra-scope-links{display:flex;flex-direction:column;align-items:flex-start}

/* Backend: contribution map */
.infra-map{background:#fff;border:1px solid var(--infra-line);border-radius:8px;padding:24px}
.infra-map-legend{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;margin-bottom:20px}
.infra-map-legend .infra-diagram-label{margin:0 0 0 auto}
.infra-key{display:inline-flex;align-items:center;gap:8px;font:11px var(--mono);color:#4a5b60}
.infra-key:before{content:'';width:22px;height:13px;border-radius:3px}
.infra-key-ours:before{border:1.5px solid var(--infra-ours);background:var(--infra-ours-soft)}
.infra-key-theirs:before{border:1.5px dashed #8d9a9e;background:#f1f2ef}
.infra-node-theirs{border-style:dashed;border-color:#8d9a9e;background:#f1f2ef}
.infra-node-theirs .infra-node-kind{color:#5d6a6e}
.infra-map-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:26px}
.infra-map-flow li{position:relative}
.infra-map-flow li+li:before{content:'→';position:absolute;left:-14px;top:50%;transform:translate(-50%,-50%);font-size:18px;color:var(--infra-ours)}
.infra-map-flow b,.infra-map-side b{display:block;font-size:16px;letter-spacing:-.02em;line-height:1.3}
.infra-map-flow small,.infra-map-side small{display:block;font-size:12.5px;line-height:1.5;color:#4f5f64;margin-top:6px}
.infra-map-side{list-style:none;margin:20px 0 0;padding:18px 0 0;border-top:1px dotted #b7a676;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.infra-evidence{display:grid;grid-template-columns:1fr 1.15fr;gap:52px;align-items:start;margin-top:52px}
.infra-evidence-reverse{grid-template-columns:1.15fr 1fr}
.infra-evidence .infra-shot img{height:360px}
.infra-decisions{display:grid;gap:22px}
.infra-decisions article{border-left:3px solid var(--infra-ours);padding-left:20px}
.infra-decisions article>span{font:11px var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--infra-ours)}
.infra-decisions h3{margin:8px 0 8px}
.infra-decisions p{font-size:15px;color:var(--infra-muted)}
.infra-attribution{background:#fbfaf6;border:1px solid var(--infra-line);border-radius:6px;padding:20px 22px}
.infra-attribution .eyebrow{color:#53696f;margin-bottom:8px}
.infra-attribution p:not(.eyebrow){font-size:15px;color:var(--infra-text)}

/* Backend: PRVNT hub */
.infra-map-hub{--infra-ours:#284c78;--infra-ours-soft:#dfe8f5}
.infra-hub{display:grid;grid-template-columns:1fr .9fr 1.05fr 1.25fr;gap:30px;align-items:center}
.infra-hub ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.infra-hub-roles li{border:1px solid #9fb1c7;border-radius:30px;padding:9px 14px;font-size:14px;font-weight:650;background:#f4f7fb}
.infra-hub-gate,.infra-hub-core{position:relative;border-radius:6px;padding:18px}
.infra-hub-gate{border:1.5px dashed var(--infra-ours);background:#fff}
.infra-hub-core{border:1.5px solid var(--infra-ours);background:var(--infra-ours-soft)}
.infra-hub-gate:before,.infra-hub-core:before,.infra-hub-sources:before{content:'→';position:absolute;left:-16px;top:50%;transform:translate(-50%,-50%);color:var(--infra-ours);font-size:18px}
.infra-hub-sources{position:relative}
.infra-hub-sources:before{content:'↔'}
.infra-hub-gate b,.infra-hub-core b{display:block;font-size:17px;letter-spacing:-.02em}
.infra-hub-gate small,.infra-hub-core small{display:block;font-size:12.5px;line-height:1.5;color:#4f5f64;margin-top:6px}
.infra-hub-sources li{border:1px solid #c3cfdc;border-radius:4px;padding:10px 12px;font-size:12.5px;line-height:1.45;color:#4f5f64;background:#fff}
.infra-hub-sources b{display:block;font-size:14px;color:var(--infra-text)}

/* Backend: more projects */
.infra-more{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.infra-more a{display:flex;flex-direction:column;padding:26px;background:#fbfaf6;border:1px solid var(--infra-line);border-radius:6px;transition:border-color .15s,transform .15s}
.infra-more a:hover{border-color:var(--infra-text);transform:translateY(-3px)}
.infra-more .eyebrow{font-size:10px;color:#53696f}
.infra-more h3{font-size:22px;margin:14px 0 12px}
.infra-more p{font-size:14px;color:var(--infra-muted);margin-bottom:16px}
.infra-more-cta{margin-top:auto;font-size:13px;font-weight:700}

@media(max-width:1060px){
 .infra-opening,.infra-heading,.infra-project,.infra-split,.infra-evidence,.infra-evidence-reverse{grid-template-columns:1fr;gap:36px}
 .infra-heading{align-items:start}
 .infra-pipeline{grid-template-columns:1fr 1fr}
 .infra-pipeline:before{display:none}
 .infra-deliverables{grid-template-columns:1fr 1fr}
 .infra-map-flow{grid-template-columns:1fr;gap:22px}
 .infra-map-flow li+li:before{content:'↓';left:50%;top:-11px}
 .infra-hub{grid-template-columns:1fr;gap:28px}
 .infra-hub-gate:before,.infra-hub-core:before,.infra-hub-sources:before{content:'↓';left:50%;top:-16px}
 .infra-hub-roles{grid-template-columns:1fr 1fr}
 .infra-evidence-reverse>figure{order:-1}
}
@media(max-width:700px){
 .infra-chapter{padding:64px 0}
 .infra-opening{padding:36px 0 56px}
 .infra-hero-trace{grid-template-columns:1fr 1fr}
 .infra-hero-trace li+li:before{display:none}
 .infra-project{padding:18px}
 .infra-flow{grid-template-columns:1fr}
 .infra-edge{max-width:none;flex-direction:row;justify-content:center}
 .infra-edge:after{content:'↓'}
 .infra-shot img,.infra-evidence .infra-shot img{height:auto;max-height:260px}
 .infra-pipeline,.infra-deliverables,.infra-more,.infra-map-side{grid-template-columns:1fr}
 .infra-row,.infra-table-decisions .infra-row{grid-template-columns:1fr;gap:6px}
 .infra-row-head{display:none}
 .infra-test,.infra-scope{grid-template-columns:1fr;gap:12px}
 .infra-map{padding:16px}
 .infra-map-legend .infra-diagram-label{margin:0}
 .infra-hub-roles{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
 .infra-pipeline li,.infra-more a,.infra-manifest a{transition:none}
 .infra-pipeline li.is-lit{transform:none}
}