/* InstructionalEngineer.com – one stylesheet, no web fonts */
:root{
  --bg:#0b111c;--bg2:#0e1625;--surface:#131d2f;--surface2:#18253a;--line:#23314a;--line2:#2e3f5c;
  --text:#e6ebf3;--muted:#a7b3c6;--dim:#8391a7;
  --accent:#7ea6e3;--accent-2:#a9c4ef;--accent-deep:#4a74b3;--accent-ink:#0a1220;
  --ai:#6cc3b5;--ai-bg:rgba(108,195,181,.12);--warm:#e2b56f;
  --control:#647a9e;--radius:14px;--radius-s:9px;--wrap:1180px;--read:740px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Code","SF Mono",Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 var(--font);text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-2);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#fff}
h1,h2,h3{line-height:1.2;letter-spacing:-.015em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2rem,4.4vw,3.2rem);font-weight:780}
h2{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:740}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}
.mono{font-family:var(--mono)}
/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(11,17,28,.86);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;font-weight:760;letter-spacing:-.01em;font-size:1.06rem;margin-right:auto}
.brand svg{width:34px;height:34px;flex:none}
.brand b{color:var(--accent);font-weight:760}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.96rem;font-weight:560}
.nav a:hover,.nav a[aria-current=page]{color:var(--text);background:var(--surface)}
.nav a.cta{background:var(--accent);color:var(--accent-ink);font-weight:700;margin-left:6px}
.nav a.cta:hover{background:var(--accent-2)}
.menu-btn{display:none;background:var(--surface);border:1px solid var(--control);color:var(--text);border-radius:9px;padding:8px 14px;font:inherit;font-size:.95rem}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--bg2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .nav a.cta{margin:8px 0 0;text-align:center}
}
/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid var(--line2);color:var(--text);text-decoration:none;font-weight:650;background:var(--surface);font-size:1rem;cursor:pointer;font-family:inherit}
.btn:hover{border-color:var(--accent);color:#fff}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{background:var(--accent-2);border-color:var(--accent-2);color:var(--accent-ink)}
/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:
  radial-gradient(900px 500px at 85% -10%,rgba(126,166,227,.16),transparent 60%),
  radial-gradient(700px 400px at -10% 110%,rgba(108,195,181,.08),transparent 60%),var(--bg)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(126,166,227,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,166,227,.06) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000 10%,transparent 90%);-webkit-mask-image:linear-gradient(180deg,#000 10%,transparent 90%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.eyebrow{font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.lead{font-size:1.18rem;color:var(--muted);max-width:36em}
.hero .lead{font-size:1.22rem}
.proof{display:flex;flex-wrap:wrap;gap:10px 22px;margin:30px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.93rem}
.proof li{display:flex;align-items:center;gap:8px}
.proof li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
@media (max-width:960px){.hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px}}
.hero-img{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line2);box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.hero-img img{display:block;width:100%}
/* blueprint diagram */
.blueprint{background:linear-gradient(180deg,#101a2b,#0d1524);border:1px solid var(--line2);border-radius:18px;padding:18px;box-shadow:0 40px 90px -40px rgba(0,0,0,.8)}
.blueprint svg{display:block;width:100%;height:auto}
.blueprint .cap{font-family:var(--mono);font-size:.78rem;color:var(--dim);display:flex;justify-content:space-between;margin-top:8px;min-height:1.4em}
.bp-node{cursor:pointer}
.bp-node rect{fill:#142036;stroke:#3a5582;stroke-width:1.2;transition:stroke .2s,fill .2s}
.bp-node text{fill:#c9d6ea;font:600 13px var(--font)}
.bp-node .sub{fill:#7f8ea6;font:500 10.5px var(--mono)}
.bp-node:hover rect,.bp-node.on rect,.bp-node:focus rect{stroke:var(--accent-2);fill:#18284a}
.bp-node.ai rect{stroke:#4d9c90}
.bp-node.ai:hover rect,.bp-node.ai.on rect{stroke:var(--ai);fill:#132f30}
.bp-flow{fill:none;stroke:#3a5582;stroke-width:1.4;stroke-dasharray:5 6;animation:flow 1.6s linear 12}
.bp-flow.ai{stroke:#3f8e83}
@keyframes flow{to{stroke-dashoffset:-22}}
.bp-pulse{fill:var(--ai);opacity:.55;animation:pulse 2.4s ease-in-out 8;transform-origin:center;transform-box:fill-box}
@keyframes pulse{50%{opacity:.15;transform:scale(1.6)}}
/* sections */
.section{padding:84px 0;border-bottom:1px solid var(--line)}
.section.alt{background:var(--bg2)}
.section h2{max-width:22em}
.intro{color:var(--muted);font-size:1.1rem;max-width:44em;margin-bottom:34px}
.kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;display:block}
.kicker.ai{color:var(--ai)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.grid.g3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.grid.g2{grid-template-columns:repeat(auto-fill,minmax(420px,1fr))}
@media (max-width:520px){.grid.g2,.grid.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;color:var(--text);text-decoration:none;display:block;transition:border-color .2s,transform .2s}
a.card:hover{border-color:var(--line2);transform:translateY(-2px);color:var(--text)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.card .ico{width:40px;height:40px;border-radius:10px;background:rgba(126,166,227,.1);display:grid;place-items:center;margin-bottom:16px;color:var(--accent)}
.card .ico svg{width:22px;height:22px}
.card .more{display:inline-block;margin-top:14px;font-weight:650;color:var(--accent-2);font-size:.94rem}
.card.has-img{padding:0;overflow:hidden;display:flex;flex-direction:column}
.card .thumb{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--surface2)}
.card .card-b{padding:18px 20px 20px}
.card .tag{font-size:.78rem;color:var(--dim);font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px;display:flex;gap:8px;align-items:center}
.badge-ai{display:inline-flex;align-items:center;gap:5px;color:var(--ai);background:var(--ai-bg);border-radius:6px;padding:1px 7px;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.art-ph{aspect-ratio:16/9;display:block;background:var(--surface2)}
.art-ph svg{display:block;width:100%;height:100%}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));counter-reset:s}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.steps li::before{content:"0" counter(s);font-family:var(--mono);color:var(--accent);font-size:.85rem;display:block;margin-bottom:10px}
.steps strong{display:block;margin-bottom:6px;font-size:1.05rem}
.steps span{color:var(--muted);font-size:.96rem}
/* clients */
.clients{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:20px 0 0}
.clients{gap:8px 0}
.clients li{color:var(--muted);font-size:.95rem;padding:0 14px 0 0;margin-right:14px;border-right:1px solid var(--line2)}
.clients li:last-child{border:0}
/* CTA band */
.cta-band{padding:72px 0;background:radial-gradient(600px 300px at 80% 0,rgba(126,166,227,.14),transparent 70%),var(--bg2)}
.cta-band .box{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-band h2{margin:0 0 8px}
.cta-band p{color:var(--muted);margin:0;max-width:38em}
/* widgets */
.widget{background:var(--surface);border:1px solid var(--line2);border-radius:18px;padding:26px;margin:32px 0}
.widget h3{margin:0 0 6px}
.widget .w-note{color:var(--dim);font-size:.86rem;margin:14px 0 0}
.widget label{display:block;font-size:.92rem;color:var(--muted);margin:0 0 6px;font-weight:560}
.widget .row{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:18px}
.widget input[type=number],.widget input[type=text],.widget select{width:100%;background:var(--bg);border:1px solid var(--control);color:var(--text);border-radius:9px;padding:10px 12px;font:inherit;font-size:1rem}
.widget input[type=range]{width:100%;accent-color:var(--accent)}
.widget input[type=color]{width:52px;height:40px;border:1px solid var(--line2);border-radius:8px;background:var(--bg);padding:2px}
.out{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-top:22px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat b{display:block;font-size:1.6rem;letter-spacing:-.02em;line-height:1.15}
.stat span{color:var(--dim);font-size:.84rem}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{background:var(--bg);color:var(--muted);border:1px solid var(--control);border-radius:9px;padding:9px 13px;font:inherit;font-size:.92rem;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:650}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0}
.tabs button{background:var(--bg);color:var(--muted);border:1px solid var(--control);border-radius:999px;padding:9px 16px;font:inherit;font-size:.95rem;cursor:pointer;display:flex;gap:8px;align-items:center}
.tabs button .n{font-family:var(--mono);font-size:.78rem;color:var(--dim)}
.tabs button[aria-selected=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:650}
.tabs button[aria-selected=true] .n{color:var(--accent-ink)}
.panel{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.panel[hidden]{display:none}
.panel .pc{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px}
.panel .pc h4{margin:0 0 8px;font-size:.82rem;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.panel .pc.ai{border-color:#2b5a55}
.panel .pc.ai h4{color:var(--ai)}
.panel ul{margin:0;padding-left:18px;color:var(--muted);font-size:.95rem}
.panel li{margin:3px 0}
.result{margin-top:18px;background:var(--bg);border:1px solid var(--line2);border-left:3px solid var(--accent);border-radius:10px;padding:16px 18px}
.result h4{margin:0 0 6px}
.result p{margin:0;color:var(--muted)}
.swatch{border-radius:12px;padding:18px;border:1px solid var(--line);font-size:1.1rem}
.pf{display:inline-block;font-family:var(--mono);font-size:.78rem;padding:2px 8px;border-radius:6px;margin:3px 6px 0 0}
.pf.ok{background:rgba(12,163,12,.16);color:#7fd17f}
.pf.no{background:rgba(208,59,59,.18);color:#f19a9a}
.timeline{display:grid;grid-template-columns:repeat(9,1fr);gap:6px;margin-top:20px;position:relative}
.timeline button{background:var(--bg);border:1px solid var(--control);color:var(--muted);border-radius:10px;padding:10px 4px;font:600 .88rem var(--mono);cursor:pointer}
.timeline button[aria-selected=true]{border-color:var(--accent);color:var(--text);background:#16253f}
.timeline button.ai[aria-selected=true]{border-color:var(--ai);background:#12302f}
@media (max-width:700px){.timeline{grid-template-columns:repeat(3,1fr)}}
/* breadcrumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:20px 0 0;margin:0;font-size:.88rem;color:var(--dim)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line2)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--text)}
/* page head */
.page-head{padding:36px 20px 30px}
.page-head p{color:var(--muted);font-size:1.12rem;max-width:44em}
/* article */
.article{max-width:var(--read);margin:0 auto;padding:22px 20px 64px}
.article header h1{font-size:clamp(1.9rem,3.6vw,2.6rem)}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--dim);font-size:.9rem;margin:0 0 26px;align-items:center}
.meta a{color:var(--muted)}
.article .hero-img{margin:0 0 30px}
.article h2{margin-top:1.9em;font-size:1.6rem}
.article h3{margin-top:1.5em}
.article p,.article li{color:#d6deea}
.article ul,.article ol{padding-left:1.3em;margin:0 0 1.1em}
.article li{margin:.3em 0}
.article .answer{background:var(--surface);border:1px solid var(--line2);border-left:3px solid var(--accent);border-radius:12px;padding:18px 20px}
.article .answer strong{color:var(--text)}
.article blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent-deep);color:var(--muted)}
.article blockquote h3{margin-top:.4em}
.table-wrap{overflow-x:auto;margin:1.4em 0;clear:both}
.article table{width:100%;border-collapse:collapse;font-size:.95rem}
.article th,.article td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article thead th{color:var(--text);background:var(--surface);font-size:.88rem}
.article code{font-family:var(--mono);font-size:.88em;background:var(--surface);padding:2px 6px;border-radius:5px}
.article pre{background:#0a0f19;border:1px solid var(--line);border-radius:12px;padding:16px;overflow-x:auto;font-size:.88rem;line-height:1.5}
.article pre code{background:none;padding:0}
.side-img{float:right;width:240px;margin:6px 0 18px 28px}
.side-img img{display:block;width:100%;border-radius:12px;border:1px solid var(--line)}
.side-img figcaption{font-size:.8rem;color:var(--dim);margin-top:8px}
@media (max-width:640px){.side-img{float:none;width:min(260px,80%);margin:20px auto}}
.end-cta{margin-top:44px;background:linear-gradient(135deg,#15233b,#121d30);border:1px solid var(--line2);border-radius:16px;padding:24px 26px;color:var(--muted)}
.end-cta strong{color:var(--text);display:block;font-size:1.15rem;margin-bottom:6px}
.end-cta .btns{margin-top:16px}
.back{margin-top:30px}
.related{margin-top:48px}
.related .h{font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.rel-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media (max-width:560px){.rel-grid{grid-template-columns:1fr}}
.card.mini h3{font-size:.98rem;margin:0}
.card.mini .card-b{padding:14px 16px}
/* charts */
.chart{margin:2em 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 20px 14px}
.chart figcaption strong{display:block;font-size:1.04rem;color:var(--text)}
.chart-sub{color:var(--dim);font-size:.9rem;margin:4px 0 0}
.chart-legend{list-style:none;display:flex;flex-wrap:wrap;gap:6px 16px;padding:0;margin:12px 0 0;font-size:.86rem;color:var(--muted)}
.chart-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:7px;vertical-align:-1px}
.chart-plot{margin-top:10px;position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart .grid{stroke:#223049;stroke-width:1}
.chart .axis{stroke:#3a4a66;stroke-width:1}
.chart .tick,.chart .lab{fill:#93a1b7;font:12px var(--font)}
.chart .val{fill:#dfe6f1;font:600 12px var(--font)}
.chart .line{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .dot{stroke:var(--surface);stroke-width:2}
.chart .mark{cursor:default;transition:opacity .15s}
.chart svg .mark:hover{opacity:1}
.chart-src{font-size:.8rem;color:var(--dim);margin:10px 0 4px}
.chart-table summary{cursor:pointer;font-size:.84rem;color:var(--accent-2);margin-top:6px}
.chart-table table{font-size:.86rem}
.tip{position:fixed;z-index:80;pointer-events:none;background:#0a0f19;border:1px solid var(--line2);color:var(--text);font-size:.84rem;padding:7px 10px;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.5);max-width:min(260px,calc(100vw - 16px));opacity:0;transition:opacity .12s}
.tip.show{opacity:1}
/* blog index */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 10px}
.filters button,.filters a{background:var(--surface);color:var(--muted);border:1px solid var(--control);border-radius:999px;padding:7px 14px;font:inherit;font-size:.9rem;cursor:pointer;text-decoration:none}
.filters button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:650}
.search{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--control);color:var(--text);border-radius:10px;padding:11px 14px;font:inherit}
.post-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));margin:26px 0 70px}
.post-grid .card h3{font-size:1.04rem}
.count{color:var(--dim);font-size:.9rem;margin-top:8px}
.cat-tiles{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));margin-top:10px}
.cat-tile{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--text);display:flex;gap:12px;align-items:center}
.cat-tile:hover{border-color:var(--line2);color:#fff}
.cat-tile svg{width:28px;height:28px;color:var(--accent);flex:none}
.cat-tile small{display:block;color:var(--dim)}
/* services */
.svc{display:grid;gap:24px;grid-template-columns:1.4fr 1fr;align-items:start}
@media (max-width:860px){.svc{grid-template-columns:1fr}}
.svc-aside{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:90px}
.svc-aside ul{padding-left:18px;color:var(--muted);margin:0}
.prose h2{margin-top:1.6em}
.prose p,.prose li{color:#d6deea}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:650}
.faq p{color:var(--muted);margin:10px 0 0}
/* form */
.form{display:grid;gap:16px;max-width:640px}
.form label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}
.form input,.form textarea,.form select{width:100%;background:var(--surface);border:1px solid var(--control);color:var(--text);border-radius:10px;padding:12px 14px;font:inherit}
.form textarea{min-height:150px;resize:vertical}
.form .two{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media (max-width:560px){.form .two{grid-template-columns:1fr}}
/* footer */
.site-foot{background:#080d16;border-top:1px solid var(--line);padding:56px 0 30px;color:var(--dim);font-size:.94rem}
.foot-grid{display:grid;gap:32px;grid-template-columns:2fr 1fr 1fr 1fr}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}
.site-foot h2{font-size:.8rem;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:6px 0}
.site-foot a{color:var(--dim);text-decoration:none}
.site-foot a:hover{color:var(--text)}
.copy{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:.86rem}
.notfound{padding:100px 20px;text-align:center}
.notfound .code{font-family:var(--mono);color:var(--accent);font-size:1rem;letter-spacing:.2em}

::placeholder{color:#9aa7bb;opacity:1}
@media (max-height:820px){.svc-aside{position:static}}
.chart,.widget,.end-cta,.related,.article pre{clear:both}
.chart .m-only{display:none}
@media (max-width:620px){.chart .d-only{display:none}.chart .m-only{display:block}}
.bp-list{display:none;list-style:none;margin:0;padding:0;counter-reset:b}
.bp-list li{counter-increment:b;padding:10px 0 10px 40px;position:relative;border-bottom:1px solid var(--line);color:var(--muted);font-size:.93rem}
.bp-list li::before{content:counter(b);position:absolute;left:0;top:10px;width:26px;height:26px;border-radius:50%;border:1px solid var(--control);display:grid;place-items:center;font:600 .78rem var(--mono);color:var(--accent)}
.bp-list li.ai::before{border-color:var(--ai);color:var(--ai)}
.bp-list b{color:var(--text);display:block}
@media (max-width:700px){#bp,.blueprint .cap{display:none}.bp-list{display:block}}
.client-strip{border-bottom:1px solid var(--line);background:var(--bg2);padding:18px 0}
.client-strip .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
.client-strip .lbl{font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.client-strip .clients{margin:0}
.card.dashed{border-style:dashed;border-color:var(--control);background:transparent}
.author-box{margin-top:30px;display:flex;gap:16px;align-items:center;border-top:1px solid var(--line);padding-top:22px;color:var(--muted);font-size:.95rem}
.author-box svg{width:44px;height:44px;flex:none}
.no-results{color:var(--muted);padding:20px 0 60px}
.bp-node text{font-size:14.5px}.bp-node .sub{font-size:11.5px}
.form .opt{color:var(--dim);font-weight:400;font-size:.85rem}
.form .hp{position:absolute;left:-5000px}

.chart .ref{stroke:#93a1b7;stroke-width:1.2;stroke-dasharray:4 4}
@media (max-width:620px){.chart{padding:16px 14px 12px}}
.article .chart-legend{padding:0;margin:12px 0 0}.article .chart-legend li{margin:0}
.chart svg:hover .mark:not(.hit){opacity:.55}.chart svg .mark:hover,.chart svg .col:hover .mark{opacity:1}
@media (max-width:620px){#service-finder .seg button{flex:1 1 100%;text-align:left}}