/* warmctl blog: the landing's header, colors and footer, plus long-form type,
   tables, code and the animated figures. */
:root{
  color-scheme:dark;
  --bg:#000;
  --panel:#0a0a0a;
  --line:#1f1f1f;
  --line-2:#2e2e2e;
  --text:#ededed;
  --muted:#a1a1a1;
  --dim:#666;
  --faint:#3d3d3d;
  --ok:#6dbb9a;
  --blue:#7aa7d9;
  --violet:#a08fd6;
  --teal:#5f9fae;
  --slate:#5b6577;
  --amber:#d9a35b;
  --nebius-green:#e0ff4f;
  --nebius-violet:#614efa;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Geist',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
::selection{background:#ededed;color:#000}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font:inherit;color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 32px}
@media (max-width:640px){.wrap{padding:0 16px}}
.mono{font-family:var(--mono)}

/* header: same as the landing */
header{position:sticky;top:0;z-index:10;background:rgba(0,0,0,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.02em;font-size:16px;text-decoration:none}
.logo i{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle,#fff 0 3px,transparent 3.5px);border:1px solid var(--muted)}
header nav{display:flex;align-items:center;gap:28px;font-size:13.5px;color:var(--dim)}
header nav a{text-decoration:none;transition:color .15s}
header nav a:hover,header nav a[aria-current]{color:var(--text)}
@media (max-width:720px){header nav > a:not(.btn){display:none}}
header nav a.gh{display:inline-flex;align-items:center;gap:7px}
header nav a.gh svg{flex:none}
@media (max-width:720px){header nav > a.gh{display:inline-flex}header nav a.gh span{display:none}}
.contacts{position:relative}
.contacts-btn{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;transition:color .15s}
.contacts-btn:hover,.contacts.open .contacts-btn{color:var(--text)}
.pop{position:absolute;right:0;top:calc(100% + 14px);min-width:270px;background:#0a0a0a;border:1px solid var(--line-2);border-radius:10px;padding:6px;box-shadow:0 24px 60px -24px rgba(0,0,0,.9);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s}
.pop::before{content:"";position:absolute;left:0;right:0;top:-15px;height:15px}
.contacts.open .pop{opacity:1;visibility:visible;transform:none}
@media (hover:hover){.contacts:hover .pop{opacity:1;visibility:visible;transform:none}}
header nav .pop a{display:flex;align-items:baseline;gap:12px;padding:10px 12px;border-radius:7px;color:var(--text);font-size:13.5px}
header nav .pop a:hover{background:#161616}
.pop a span{width:68px;flex:none;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
@media (max-width:720px){.contacts{position:static}.pop{left:16px;right:16px;top:64px;min-width:0}}
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:8px;font:500 14px var(--sans);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn-w{background:#ededed;color:#000}
.btn-w:hover{background:#fff}
header .btn{height:34px;padding:0 14px;font-size:13px}

footer{margin-top:96px;border-top:1px solid var(--line);padding:24px 0 40px;font-size:12.5px;color:var(--dim)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer .mono{font-size:12px}
footer a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line-2);transition:border-color .15s}
footer a:hover{border-color:var(--muted)}

.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}

/* blog index */
.b-intro{padding:88px 0 40px;border-bottom:1px solid var(--line)}
@media (max-width:640px){.b-intro{padding:56px 0 32px}}
.b-intro h1{font-size:clamp(38px,5vw,56px);line-height:1.02;letter-spacing:-.045em;margin:18px 0 18px;font-weight:600}
.b-intro h1 em{font-style:normal;color:var(--faint)}
.b-intro p{font-size:17px;color:var(--muted);margin:0;max-width:560px}
.posts{list-style:none;margin:0;padding:0}
.posts li{border-bottom:1px solid var(--line)}
.post-card{display:grid;grid-template-columns:180px 1fr 200px;gap:32px;padding:36px 0;text-decoration:none;align-items:start}
@media (max-width:860px){.post-card{grid-template-columns:1fr;gap:12px;padding:28px 0}}
.post-card .meta{font:12px var(--mono);color:var(--dim);line-height:1.9}
.post-card h2{margin:0 0 10px;font-size:26px;line-height:1.15;letter-spacing:-.03em;font-weight:600;transition:color .15s}
.post-card p{margin:0;color:var(--muted);font-size:15px;max-width:560px}
.post-card:hover h2{color:#fff}
.post-card .stat{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:linear-gradient(180deg,var(--panel),transparent)}
.post-card .stat b{display:block;font-size:34px;font-weight:600;letter-spacing:-.04em;color:var(--ok);line-height:1.1}
.post-card .stat span{font:12px var(--mono);color:var(--dim)}
.tag{display:inline-block;margin:0 6px 6px 0;padding:2px 8px;border:1px solid var(--line-2);border-radius:999px;font:11px var(--mono);color:var(--muted)}

/* article */
.post{max-width:760px;margin:0 auto}
.post-head{padding:72px 0 36px}
@media (max-width:640px){.post-head{padding:48px 0 28px}}
.post-head h1{font-size:clamp(34px,4.6vw,52px);line-height:1.04;letter-spacing:-.045em;margin:18px 0 20px;font-weight:600}
.post-head h1 em{font-style:normal;color:var(--faint)}
.post-head .dek{font-size:19px;line-height:1.5;color:var(--muted);margin:0 0 26px;letter-spacing:-.01em}
.byline{display:flex;gap:18px;flex-wrap:wrap;font:12px var(--mono);color:var(--dim);padding-top:18px;border-top:1px solid var(--line)}
.byline b{font-weight:400;color:var(--muted)}
.post h2{font-size:28px;line-height:1.15;letter-spacing:-.03em;margin:72px 0 18px;font-weight:600}
.post h2 .n{display:block;font:12px var(--mono);letter-spacing:.1em;color:var(--dim);margin-bottom:12px}
.post h3{font-size:19px;letter-spacing:-.02em;margin:40px 0 10px;font-weight:600}
.post p,.post li{font-size:17px;line-height:1.72;color:#c9c9c9}
.post p b,.post li b{color:var(--text);font-weight:500}
.post a{color:var(--nebius-green);text-decoration:none;border-bottom:1px solid rgba(224,255,79,.35);transition:border-color .15s,color .15s}
.post a:hover{border-color:var(--nebius-green)}
.post ul,.post ol{padding-left:22px}
.post li{margin:6px 0}
.post code{font:14px var(--mono);color:var(--text);background:#111;border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.post hr{border:0;border-top:1px solid var(--line);margin:56px 0}
.lede{font-size:21px!important;line-height:1.6!important;color:var(--text)!important;letter-spacing:-.01em}

.code{display:flex;align-items:flex-start;gap:12px;margin:22px 0;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.code pre{flex:1;margin:0;font:13.5px/1.65 var(--mono);color:var(--text);overflow-x:auto;white-space:pre;scrollbar-width:none}
.code pre::-webkit-scrollbar{display:none}
.code .p{color:var(--dim);user-select:none}
.code .c{color:var(--dim)}
.code .g{color:var(--ok)}

.tbl{margin:24px 0;border:1px solid var(--line);border-radius:12px;overflow-x:auto}
.tbl table{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th{font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:400;background:var(--panel)}
.tbl tr:last-child td{border-bottom:0}
.tbl td{color:#c9c9c9}
.tbl td.num{font-family:var(--mono);font-size:13px;text-align:right}
.tbl th.num{text-align:right}
.tbl td b{color:var(--text);font-weight:500}
.tbl td .ok{color:var(--ok)}

.callout{display:flex;gap:12px;align-items:baseline;margin:26px 0;padding:14px 18px;border:1px dashed var(--line-2);border-radius:10px;font-size:15px;color:var(--muted)}
.callout::before{content:'';flex:none;width:6px;height:6px;border-radius:50%;background:var(--blue);transform:translateY(-2px)}
.callout b{color:var(--text);font-weight:500}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:14px;margin:32px 0;overflow:hidden;background:linear-gradient(180deg,var(--panel),transparent 80%)}
.kpis div{padding:18px 20px;font-size:12.5px;color:var(--dim);min-width:0}
.kpis div+div{border-left:1px solid var(--line)}
.kpis b{display:block;font-size:28px;font-weight:600;letter-spacing:-.04em;color:var(--text);line-height:1.15}
.kpis b.g{color:var(--ok)}
@media (max-width:720px){.kpis{grid-template-columns:1fr 1fr}.kpis div:nth-child(3){border-left:0}.kpis div:nth-child(n+3){border-top:1px solid var(--line)}}

/* figures: wider than the text column */
figure.fig{margin:36px -120px;padding:0}
@media (max-width:1040px){figure.fig{margin:32px 0}}
.fig .frame{border:1px solid var(--line);border-radius:16px;background:var(--bg);padding:26px 28px;overflow:hidden}
@media (max-width:640px){.fig .frame{padding:18px 14px;border-radius:12px}}
.fig .frame-cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font:12px var(--mono);color:var(--dim);margin-bottom:20px}
.fig .frame-cap b{font-weight:400;color:var(--muted)}
.fig figcaption{margin:12px 4px 0;font-size:13.5px;color:var(--dim);line-height:1.6}
.fig svg{display:block;width:100%;height:auto;overflow:visible}
.fig svg text{font-family:var(--mono)}
.fig svg .sans{font-family:var(--sans)}

/* legend */
.legend{display:flex;gap:18px;flex-wrap:wrap;font:12px var(--mono);color:var(--muted);margin:0 0 16px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:7px;transform:translateY(1px)}

/* the snapshot figure: what warmctl freezes */
.snap{display:grid;grid-template-columns:1fr 64px 1fr;align-items:center;gap:0}
@media (max-width:720px){.snap{grid-template-columns:1fr;gap:18px}.snap .arrow{transform:rotate(90deg);justify-self:center}}
.layer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel);margin:8px 0;font-size:14px}
.layer span{font:12px var(--mono);color:var(--dim);white-space:nowrap}
.layer i{flex:none;width:8px;height:8px;border-radius:2px}
.layer .nm{display:flex;align-items:center;gap:10px}
.engine .layer{animation:hum 3.2s ease-in-out infinite}
.engine .layer:nth-child(2){animation-delay:.2s}.engine .layer:nth-child(3){animation-delay:.4s}.engine .layer:nth-child(4){animation-delay:.6s}.engine .layer:nth-child(5){animation-delay:.8s}
@keyframes hum{50%{border-color:var(--line-2)}}
.arrow{height:2px;background:linear-gradient(90deg,transparent,var(--muted));position:relative;margin:0 10px}
.arrow::after{content:'';position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left:7px solid var(--muted);border-right:0}
.oci{border:1px solid var(--line-2);border-radius:14px;padding:16px;background:linear-gradient(180deg,#0d0d0d,transparent)}
.oci-h{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--muted);margin-bottom:12px}
.blobs{display:grid;grid-template-columns:repeat(16,1fr);gap:4px}
.blobs i{aspect-ratio:1;border-radius:2px;background:var(--line-2);opacity:.25;transform:scale(.6);transition:opacity .35s,transform .35s,background .35s}
.in .blobs i{opacity:1;transform:none}
.oci-f{display:flex;justify-content:space-between;font:11px var(--mono);color:var(--dim);margin-top:12px}

/* stage flow: pieces move along a lane */
.lane{position:relative;height:86px;margin:6px 0}
.lane .node{position:absolute;top:50%;transform:translateY(-50%);width:170px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);font-size:14px;z-index:1}
.lane .node span{display:block;font:11.5px var(--mono);color:var(--dim);margin-top:2px}
.lane .node.l{left:0}.lane .node.m{left:calc(50% - 85px)}.lane .node.r{right:0}
.lane .track{position:absolute;top:50%;height:1px;background:var(--line-2)}
.lane .track.a{left:170px;right:calc(50% + 85px)}
.lane .track.b{left:calc(50% + 85px);right:170px}
.lane .track.full{left:170px;right:170px}
.lane .track i{position:absolute;top:-4px;width:9px;height:9px;border-radius:2px;opacity:0}
.in .lane .track i{animation:fly 2.4s linear infinite}
@keyframes fly{0%{left:0;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:calc(100% - 9px);opacity:0}}
.lane .track i:nth-child(2){animation-delay:.4s}.lane .track i:nth-child(3){animation-delay:.8s}.lane .track i:nth-child(4){animation-delay:1.2s}.lane .track i:nth-child(5){animation-delay:1.6s}.lane .track i:nth-child(6){animation-delay:2s}
.lane .lbl{position:absolute;top:calc(50% + 12px);font:11.5px var(--mono);color:var(--muted);white-space:nowrap}
.lane .lbl.a{left:calc(170px + 14px)}.lane .lbl.b{left:calc(50% + 85px + 14px)}.lane .lbl.full{left:calc(170px + 14px)}
@media (max-width:720px){.lane{height:auto;display:grid;gap:10px}.lane .node{position:static;transform:none;width:auto}.lane .track,.lane .lbl{display:none}}

/* nodes: three replicas coming up */
.nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:720px){.nodes{grid-template-columns:1fr}}
.nd{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--panel)}
.nd-h{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--muted);margin-bottom:14px}
.nd-h b{font-weight:400;color:var(--dim);transition:color .3s}
.nd.done .nd-h b{color:var(--ok)}
.gpus{display:grid;grid-template-columns:repeat(8,1fr);gap:5px;margin-bottom:14px}
.gpus i{aspect-ratio:1;border-radius:3px;border:1px solid var(--line-2);background:transparent;transition:background .4s,border-color .4s}
.nd.done .gpus i{background:var(--ok);border-color:var(--ok)}
.bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--ok)}
.nd-f{display:flex;justify-content:space-between;font:11.5px var(--mono);color:var(--dim);margin-top:10px}
.nd-f b{font-weight:400;color:var(--text)}

/* svg charts */
.ax{stroke:var(--line);stroke-width:1}
.ax-t{fill:var(--dim);font-size:11px}
.lbl-t{fill:var(--muted);font-size:12px}
.val-t{fill:var(--text);font-size:12px}
.grow{transform-box:fill-box;transform-origin:left center;transform:scaleX(0);transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.in .grow{transform:none}
.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 2.2s cubic-bezier(.3,.6,.2,1)}
.in .draw{stroke-dashoffset:0}
.fade{opacity:0;transition:opacity .6s .9s}
.in .fade{opacity:1}

.share-cta{margin:56px 0 0;padding:26px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),transparent)}
.share-cta h3{margin:0 0 8px}
.share-cta p{margin:0 0 18px;font-size:15px}
.share-cta .row{display:flex;gap:10px;flex-wrap:wrap}
.btn-o{border-color:var(--line-2);color:var(--text)}
.btn-o:hover{border-color:var(--muted)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.grow{transform:none}.draw{stroke-dashoffset:0}.fade{opacity:1}}

/* brand words in titles: Nebius lime, warmctl in Nebius violet */
.nb{color:var(--nebius-green)}
.wc{color:var(--nebius-violet)}

/* buttons inside an article keep their own colors */
.post a.btn{border-bottom-width:1px}
.post a.btn-w{color:#000;border-color:transparent}
.post a.btn-o{color:var(--text);border-color:var(--line-2)}
.post a.btn-o:hover{border-color:var(--muted)}

/* key phrases: a Nebius lime marker sweeps in, as on the Nebius blog */
mark.hl{color:inherit;background:linear-gradient(var(--nebius-green),var(--nebius-green)) no-repeat 0 0/0% 100%;padding:.04em .16em;margin:0 -.04em;border-radius:3px;-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background-size .9s cubic-bezier(.6,.05,.25,1),color .35s .35s}
mark.hl.on{background-size:100% 100%;color:#052b42}
mark.hl b{color:inherit}
@media (prefers-reduced-motion:reduce){mark.hl{background-size:100% 100%;color:#052b42}}

/* data flowing along a path, once its figure is in view */
.flow{stroke-dashoffset:0;opacity:0}
.in .flow{opacity:1;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-30}}