/* Kalvera Energy Technologies, site styles (Blueprint direction).
   Shared by every page. Page-specific CSS belongs in a <style> block in that page.
   Tokens: --paper --paper-2 --ink --ink-soft --hair --rule --grid-* --red --red-ink --on-ink --duo-* --hatch
   (light default, dark via prefers-color-scheme, and explicit [data-theme]). */
:root{
  --paper:#F3F0E8; --paper-2:#EAE5D9; --ink:#142B6F; --ink-soft:#4A5A8A; --stream-heavy:#4A5A8A; --hair:#C9C3B5;
  --rule:rgba(20,43,111,.085); --grid-minor:rgba(20,43,111,.055); --grid-major:rgba(20,43,111,.11);
  --red:#E0412B; --red-ink:#B83220; --on-ink:#F3F0E8;
  --duo-lo:#142B6F; --duo-hi:#F3F0E8;
  --hatch:rgba(20,43,111,.55);
  --gap:24px; --pad:clamp(16px,3vw,40px); --strip:26px;
  --ease:cubic-bezier(.65,0,.35,1);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme]){
    --paper:#0D1A3D; --paper-2:#112352; --ink:#E8ECF7; --ink-soft:#A3B0D6; --stream-heavy:#7D8BC2; --hair:#2C3F78;
    --rule:rgba(130,160,235,.12); --grid-minor:rgba(130,160,235,.07); --grid-major:rgba(130,160,235,.14);
    --red:#FF6A4D; --red-ink:#FF8166; --on-ink:#0D1A3D;
    --duo-lo:#081230; --duo-hi:#A9BDF0; --hatch:rgba(200,214,245,.55);
    color-scheme:dark;
  }
}
:root[data-theme="light"]{
  --paper:#F3F0E8; --paper-2:#EAE5D9; --ink:#142B6F; --ink-soft:#4A5A8A; --stream-heavy:#4A5A8A; --hair:#C9C3B5;
  --rule:rgba(20,43,111,.085); --grid-minor:rgba(20,43,111,.055); --grid-major:rgba(20,43,111,.11);
  --red:#E0412B; --red-ink:#B83220; --on-ink:#F3F0E8;
  --duo-lo:#142B6F; --duo-hi:#F3F0E8; --hatch:rgba(20,43,111,.55);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#0D1A3D; --paper-2:#112352; --ink:#E8ECF7; --ink-soft:#A3B0D6; --stream-heavy:#7D8BC2; --hair:#2C3F78;
  --rule:rgba(130,160,235,.12); --grid-minor:rgba(130,160,235,.07); --grid-major:rgba(130,160,235,.14);
  --red:#FF6A4D; --red-ink:#FF8166; --on-ink:#0D1A3D;
  --duo-lo:#081230; --duo-hi:#A9BDF0; --hatch:rgba(200,214,245,.55);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 "IBM Plex Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;transition:background-color .3s,color .3s}
img,svg{display:block;max-width:100%}
a{color:inherit}
p{margin:0}
h1,h2,h3{margin:0;font-family:"IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:.005em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--on-ink);padding:10px 14px;font:500 13px "IBM Plex Mono",monospace;text-decoration:none}
.skip:focus{top:12px}

.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:500}
.soft{color:var(--ink-soft)}

/* ---------- Drawing sheet ---------- */
.sheet{position:relative;margin:14px;border:1.5px solid var(--ink);outline:1px solid var(--hair);outline-offset:5px;background:var(--paper)}
.sheet__body{position:relative;margin-inline:var(--strip);border-inline:1px solid var(--ink)}
.rules{position:absolute;inset:0;z-index:0;pointer-events:none}
.rules .wrap{height:100%}
.rules .g12>i{border-inline:1px solid var(--rule);height:100%}
.wrap{max-width:1320px;margin-inline:auto;padding-inline:var(--pad)}
.g12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap)}
main{position:relative;z-index:1}

.ruler{position:relative;z-index:1;height:24px;border-bottom:1px solid var(--ink)}
.ruler--b{border-bottom:0;border-top:1px solid var(--ink)}
.ruler .g12{height:100%}
.ruler span{display:flex;align-items:center;justify-content:center;font:500 10px "IBM Plex Mono",monospace;color:var(--ink-soft);letter-spacing:.06em;position:relative}
.ruler span::before,.ruler span::after{content:"";position:absolute;bottom:0;width:1px;height:6px;background:var(--ink-soft)}
.ruler--b span::before,.ruler--b span::after{bottom:auto;top:0}
.ruler span::before{left:0}.ruler span::after{right:0}

.sec{position:relative;padding-block:clamp(64px,8vw,112px);border-top:1px solid var(--ink)}
.zone{position:absolute;top:0;bottom:0;width:var(--strip);display:flex;align-items:center;justify-content:center;font:500 11px "IBM Plex Mono",monospace;color:var(--ink-soft)}
.zone::before{content:"";position:absolute;top:-1px;left:0;right:0;border-top:1px solid var(--ink)}
.zone--l{left:calc(-1 * var(--strip) - 1px)}
.zone--r{right:calc(-1 * var(--strip) - 1px)}

/* ---------- Title-block header ---------- */
.tb{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1.5px solid var(--ink)}
.tb__meta{display:flex;height:28px;overflow:hidden;border-bottom:1px solid var(--hair);transition:height .25s var(--ease),border-color .25s}
.tb.is-compact .tb__meta{height:0;border-bottom-color:transparent}
.tb__meta>span{display:flex;align-items:center;gap:6px;padding:0 14px;border-right:1px solid var(--hair);font:400 11px "IBM Plex Mono",monospace;letter-spacing:.06em;color:var(--ink-soft);white-space:nowrap;text-transform:uppercase}
.tb__meta b{font-weight:500;color:var(--ink)}
.tb__meta .grow{flex:1;border-right:0}
.tb__meta .end{border-right:0;border-left:1px solid var(--hair)}
.tb__main{display:grid;grid-template-columns:auto 1fr auto auto;height:64px}
.brand{display:flex;align-items:center;gap:12px;padding:0 22px 0 18px;border-right:1px solid var(--ink);text-decoration:none}
.brand svg{width:30px;height:30px;flex:none}
.brand__name{display:flex;flex-direction:column;line-height:1}
.brand__name b{font:600 23px/1 "IBM Plex Sans Condensed",sans-serif;letter-spacing:.2em}
.brand__name small{font:500 8.5px/1 "IBM Plex Mono",monospace;letter-spacing:.2em;color:var(--ink-soft);margin-top:5px}
.nav{display:flex;align-items:stretch}
.nav ul{display:flex;list-style:none;margin:0;padding:0 8px;align-items:stretch}
.nav li{display:flex}
.nav a{display:flex;align-items:center;padding:0 13px;font:500 14.5px/1 "IBM Plex Sans Condensed",sans-serif;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;position:relative;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:16px;height:1.5px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav a:hover::after,.nav a.is-active::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--ink)}
.nav .nav__cta{display:none}
.tb__btn{display:flex;align-items:center;justify-content:center;gap:8px;min-width:64px;padding:0 16px;background:none;border:0;border-left:1px solid var(--ink);cursor:pointer;font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.tb__btn:hover{background:var(--paper-2)}
.tb__btn svg{width:20px;height:20px}
.tb__menu{display:none}
.tb__cta{display:flex;align-items:center;gap:12px;padding:0 24px;background:var(--ink);color:var(--on-ink);text-decoration:none;font:500 12.5px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;border-left:1px solid var(--ink);transition:background-color .2s}
.tb__cta i{width:8px;height:8px;background:var(--red);display:block}
.tb__cta:hover{background:color-mix(in srgb,var(--ink) 86%,var(--red))}

/* ---------- Common parts ---------- */
.btn{display:inline-flex;align-items:center;gap:14px;padding:15px 20px;border:1.5px solid var(--ink);font:500 13px/1 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s;cursor:pointer}
.btn--p{background:var(--ink);color:var(--on-ink)}
.btn--s{background:transparent;color:var(--ink)}
.btn:hover{transform:translate(-3px,-3px);box-shadow:3px 3px 0 var(--red)}
.btn .arr{width:18px;height:10px;flex:none}
.balloon{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1.5px solid var(--ink);border-radius:50%;font:500 12px/1 "IBM Plex Mono",monospace;flex:none;background:var(--paper)}
.sq{display:inline-block;width:8px;height:8px;background:var(--red);flex:none}

.sh{grid-column:1/-1;margin-bottom:clamp(36px,4vw,56px)}
.sh__meta{display:flex;align-items:center;gap:14px;padding-bottom:14px;border-bottom:1.5px solid var(--ink);position:relative}
.sh__meta::after{content:"";position:absolute;right:0;bottom:-6px;width:1.5px;height:11px;background:var(--ink)}
.sh__meta::before{content:"";position:absolute;left:0;bottom:-6px;width:1.5px;height:11px;background:var(--ink)}
/* Sheet-noise refs ("Detail J", "Table D-1") are hidden site-wide; the title block carries the sheet info. */
.sh__ref{display:none}
.sh h2{margin-top:26px;font:600 clamp(30px,3vw,46px)/1.02 "IBM Plex Sans Condensed","IBM Plex Sans",sans-serif;text-transform:none;letter-spacing:-.01em;max-width:28ch}
.lead{font-size:clamp(17px,1.35vw,19px);line-height:1.6;color:var(--ink-soft);max-width:52ch}

.fig{margin:0;border:1.5px solid var(--ink);background:var(--paper);position:relative}
.fig__bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:9px 14px;border-bottom:1px solid var(--ink);font:500 11px/1.3 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.fig__bar .r{margin-left:auto;color:var(--ink-soft);font-weight:400}
.fig__cap{padding:10px 14px;border-top:1px solid var(--hair);font:400 12px/1.5 "IBM Plex Mono",monospace;color:var(--ink-soft);letter-spacing:.02em}
.canvas{background-color:var(--paper);background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid-minor) 1px,transparent 1px),linear-gradient(90deg,var(--grid-minor) 1px,transparent 1px);background-size:80px 80px,80px 80px,16px 16px,16px 16px;background-position:-1px -1px}

/* SVG drafting styles */
.dw{color:var(--ink);overflow:visible}
.dw .d,.dw .ln{fill:none;stroke:var(--ink);stroke-width:1.7;stroke-linejoin:round}
.dw .thin{stroke-width:1}
.dw .col{stroke-width:2.2}
.dw .vessel{stroke-width:1.9}
.dw .pipe{stroke-width:2.4}
.dw .hid{fill:none;stroke:var(--ink-soft);stroke-width:1;stroke-dasharray:5 4}
.dw .dim{fill:none;stroke:var(--ink-soft);stroke-width:.9}
.dw .lead{fill:none;stroke:var(--ink);stroke-width:1}
.dw .dot{fill:var(--ink)}
.dw .bal{fill:var(--paper);stroke:var(--ink);stroke-width:1.5}
.dw .bal-t{font:500 13px "IBM Plex Mono",monospace;fill:var(--ink)}
.dw .t{font:500 12.5px "IBM Plex Mono",monospace;fill:var(--ink);letter-spacing:.04em}
.dw .ts{font:400 11px "IBM Plex Mono",monospace;fill:var(--ink-soft);letter-spacing:.04em}
.dw .tag{font:500 13px "IBM Plex Mono",monospace;fill:var(--ink);letter-spacing:.06em}
.dw .stream{font:500 12.5px "IBM Plex Mono",monospace;fill:var(--red-ink);letter-spacing:.06em}
.dw .iso-dim{font:500 11px "IBM Plex Mono",monospace;fill:var(--ink-soft);letter-spacing:.1em}
.dw .fillp{fill:var(--paper)}
.dw .ink-fill{fill:var(--ink)}
.dw .hatch-line{stroke:var(--hatch);stroke-width:1}
.dw .flame{fill:none;stroke:var(--red);stroke-width:1.4}
.dw .flow{fill:none;stroke:var(--red);stroke-width:2.4;stroke-dasharray:9 13;stroke-linecap:butt}
.dw .arrow-fill{fill:var(--ink)}
.dw .inst{fill:var(--paper);stroke:var(--ink);stroke-width:1.2}
.dw .inst-t{font:500 9.5px "IBM Plex Mono",monospace;fill:var(--ink);letter-spacing:.02em}
.dw .sig{fill:none;stroke:var(--ink-soft);stroke-width:1;stroke-dasharray:3 3}
.dw [data-item]{transition:opacity .25s}
.dw [data-item] .d{transition:stroke .2s}
.dw.has-hl [data-item]:not(.hl){opacity:.35}
.dw [data-item].hl .d,.dw [data-item].hl .bal{stroke:var(--red)}

/* draw-on (JS only) */
.js .drawable .d{stroke-dasharray:1 1;stroke-dashoffset:1;transition:stroke-dashoffset var(--dur,1.1s) var(--ease) var(--d,0s),stroke .2s}
.js .drawable.in .d{stroke-dashoffset:0}
.js .drawable--fast .d,.js #pid .d{transition-duration:calc(var(--dur,1.1s) * .7);transition-delay:calc(var(--d,0s) * .38)}
.js .drawable--fast .f,.js .drawable--fast .flow,.js .drawable--fast .b,.js #pid .f,.js #pid .flow,.js #pid .b{transition-delay:calc(var(--d,0s) * .38)}
.js .drawable .f{opacity:0;transition:opacity .5s linear var(--d,0s)}
.js .drawable.in .f{opacity:1}
.js .drawable .b{transform:scale(0);transform-box:fill-box;transform-origin:center;transition:transform .32s cubic-bezier(.2,0,0,1) var(--d,0s)}
.js .drawable.in .b{transform:scale(1)}
.js .drawable .flow{opacity:0;transition:opacity .6s linear var(--d,0s)}
.js .drawable.in .flow{opacity:1}
.drawable.in .flow,.no-js-flow .flow{animation:flow 1.15s linear infinite}
html:not(.js) .flow{animation:flow 1.15s linear infinite}
@keyframes flow{to{stroke-dashoffset:-22}}
.js .rv{opacity:0;transform:translateY(10px);transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1)}
.js .rv.in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.hero{border-top:0;padding-block:clamp(40px,5vw,72px) clamp(48px,5vw,80px)}
.hero__copy{grid-column:1/span 4;display:flex;flex-direction:column;padding-top:8px}
.eyebrow{display:flex;gap:10px;align-items:flex-start;color:var(--ink-soft);line-height:1.5}
.eyebrow .sq{margin-top:4px}
.hero h1{margin-top:28px;font-size:clamp(42px,4.1vw,66px);line-height:.93;letter-spacing:-.005em}
.hero h1 em{font-style:normal;color:var(--red-ink);position:relative}
.hero .lead{margin-top:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__line{margin-top:auto;padding-top:28px;font:500 11.5px/1.6 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
.hero__line::before{content:"";display:block;margin-bottom:12px;border-top:1px solid var(--ink)}
.hero__fig{grid-column:5/span 8}
.hero__fig .canvas{position:relative}
.pid-scroll{overflow:hidden}
.pid{width:100%;height:auto}
.fig__hint{display:none}
.sched{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}
.sched li{display:flex;gap:10px;align-items:center;padding:10px 12px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);font:400 11px/1.35 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase;cursor:default;transition:background-color .15s}
.sched li:nth-child(4n){border-right:0}
.sched li:hover,.sched li.hl{background:var(--paper-2)}
.sched li.hl .balloon{border-color:var(--red);color:var(--red-ink)}
.sched .balloon{width:24px;height:24px;font-size:11px}
.sched b{display:block;font-weight:500}
.sched span span{color:var(--ink-soft)}
.sched li.legend{gap:8px;flex-wrap:wrap;color:var(--ink-soft)}
.sched li.legend svg{width:30px;height:8px}

/* ---------- Triad strip: Problem → Solution → Opportunity ---------- */
.triad{border-top:1.5px solid var(--ink);padding:0;background:var(--paper-2)}
.triad .g12{position:relative}
.triad__item{grid-column:span 4;padding:28px 0;position:relative}
.triad__item+.triad__item::before{content:"";position:absolute;left:calc(var(--gap) / -2);top:0;bottom:0;border-left:1px solid var(--ink)}
.triad__head{display:flex;align-items:baseline;gap:14px}
.triad__n{font:600 40px/1 "IBM Plex Sans Condensed",sans-serif;letter-spacing:-.01em}
.triad__item:first-child .triad__n{color:var(--red-ink)}
.triad__k{font:500 12px/1 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.triad__item p{margin-top:12px;font-size:17px;line-height:1.45;color:var(--ink);max-width:34ch}

/* ---------- Problem ---------- */
.prob__body{grid-column:1/span 5}
.prob__body .lead+.lead{margin-top:18px}
.prob__fig{grid-column:7/span 6;align-self:start}
.blend{--bp:26px;padding:34px var(--bp) var(--bp)}
.blend__bar-top{margin:-34px calc(-1 * var(--bp)) 30px}
.blend__cap{margin:24px calc(-1 * var(--bp)) calc(-1 * var(--bp))}
.dimln{position:relative;height:30px;display:flex;align-items:flex-end;justify-content:center}
.dimln span{position:relative;z-index:1;font:500 11.5px/1 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;background:var(--paper);padding:0 8px;margin-bottom:-6px}
.dimln::before{content:"";position:absolute;left:0;right:0;bottom:0;border-top:1px solid var(--ink-soft)}
.dimln i{position:absolute;bottom:-5px;width:0;height:0;border-block:5px solid transparent}
.dimln i:first-of-type{left:0;border-right:10px solid var(--ink-soft)}
.dimln i:last-of-type{right:0;border-left:10px solid var(--ink-soft)}
.dimln--top{margin-left:60%;margin-bottom:12px}
.dimln--top span{color:var(--red-ink)}
.dimln--bot{margin-top:14px;align-items:flex-start}
.dimln--bot::before{top:0;bottom:auto}
.dimln--bot i{top:-5px;bottom:auto}
.dimln--bot span{margin:-6px 0 0}
.ext{position:absolute;top:30px;height:calc(100% - 30px);border-left:1px solid var(--ink-soft)}
.bar{position:relative;display:flex;height:84px;border:1.5px solid var(--ink)}
.seg{position:relative;display:flex;align-items:flex-end;padding:10px;font:500 11px/1.2 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;overflow:hidden;transition:flex-grow 1.4s var(--ease) .3s}
.seg span{background:var(--paper);padding:3px 6px;position:relative;z-index:1;white-space:nowrap}
.seg--heavy{flex:60 1 0;background-image:repeating-linear-gradient(45deg,var(--hatch) 0 1px,transparent 1px 6px),repeating-linear-gradient(-45deg,var(--hatch) 0 1px,transparent 1px 6px)}
.seg--dil{flex:40 1 0;border-left:1.5px solid var(--red);background-image:repeating-linear-gradient(45deg,color-mix(in srgb,var(--red) 55%,transparent) 0 1px,transparent 1px 12px)}
.js .blend:not(.in) .seg--heavy{flex-grow:100}
.js .blend:not(.in) .seg--dil{flex-grow:0}
.blend__legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font:400 11px/1.4 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft)}
.blend__legend span{display:flex;align-items:center;gap:8px}
.blend__legend i{width:22px;height:14px;border:1px solid var(--ink)}
.notes{grid-column:1/-1;margin-top:clamp(48px,6vw,80px)}
.notes__h{display:flex;gap:12px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.notes ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);column-gap:var(--gap)}
.notes li{padding:24px 0 0;display:grid;grid-template-columns:40px 1fr;column-gap:14px}
.flag{width:36px;height:32px;position:relative;display:flex;align-items:flex-end;justify-content:center;font:500 12px/1 "IBM Plex Mono",monospace;padding-bottom:6px}
.flag svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.flag svg path{fill:none;stroke:var(--ink);stroke-width:1.5}
.notes h3{font-size:22px;line-height:1.1}
.notes p{margin-top:8px;color:var(--ink-soft);font-size:15.5px}

/* ---------- Technology ---------- */
.tech__intro{grid-column:1/span 6}
.tech__aside{grid-column:8/span 5;align-self:end;font:400 12px/1.6 "IBM Plex Mono",monospace;color:var(--ink-soft);border-left:1.5px solid var(--red);padding-left:16px;letter-spacing:.02em}
.steps{grid-column:1/-1;list-style:none;margin:clamp(40px,5vw,64px) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);column-gap:var(--gap);counter-reset:s}
.step{display:flex;flex-direction:column;cursor:default}
.step__fig{position:relative;aspect-ratio:240/150;border:1.5px solid var(--ink)}
.step__fig svg{width:100%;height:100%}
.step:not(:last-child) .step__fig::after{content:"";position:absolute;top:50%;left:100%;width:calc(var(--gap) + 1.5px);height:2.4px;margin-top:-1.2px;background:var(--ink)}
.step:not(:last-child) .step__fig::before{content:"";position:absolute;top:50%;left:100%;width:calc(var(--gap) + 1.5px);height:2.4px;margin-top:-1.2px;z-index:1;background:repeating-linear-gradient(90deg,var(--red) 0 9px,transparent 9px 22px);animation:dashx 1.15s linear infinite}
@keyframes dashx{to{background-position:22px 0}}
.step__n{display:flex;align-items:center;gap:12px;margin-top:22px;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.step__n h3{font-size:24px;line-height:1}
.step p{margin-top:14px;color:var(--ink-soft);font-size:15.5px}
.step__ref{margin-top:auto;padding-top:18px}
.step__ref a{font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--ink-soft);border-bottom:1px solid var(--hair);padding-bottom:2px}
.step__ref a:hover{color:var(--red-ink);border-color:var(--red)}
.step:hover .step__fig,.step:focus-within .step__fig{background:var(--paper-2)}
.footnote{grid-column:1/-1;margin-top:34px;display:flex;gap:10px;align-items:baseline;font:400 12px/1.5 "IBM Plex Mono",monospace;color:var(--ink-soft);letter-spacing:.02em}

/* ---------- Comparison ---------- */
.cmp{grid-column:1/-1}
.spec{width:100%;border-collapse:collapse;border:1.5px solid var(--ink);background:var(--paper)}
.spec caption{caption-side:top;text-align:left;padding:0 0 12px;font:400 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.spec th,.spec td{text-align:left;vertical-align:top;padding:20px 22px;border-bottom:1px solid var(--hair)}
.spec thead th{font:500 11.5px/1.4 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;border-bottom:1.5px solid var(--ink);padding-block:14px;background:var(--paper)}
.spec thead th.khu{background:var(--paper-2);box-shadow:inset 0 3px 0 var(--red)}
.spec tbody th{font:600 20px/1.15 "IBM Plex Sans Condensed",sans-serif;text-transform:uppercase;width:22%}
.spec tbody th small{display:block;font:400 11px "IBM Plex Mono",monospace;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:6px}
.spec td{font-size:16px;color:var(--ink-soft);width:39%;border-left:1px solid var(--hair)}
.spec td.khu{background:var(--paper-2);color:var(--ink);font-weight:500;position:relative}
.spec td.khu::before{content:"";position:absolute;left:-1px;top:22px;width:3px;height:18px;background:var(--red)}
.spec tbody tr:last-child>*{border-bottom:0}
.spec .lbl{display:none}

/* ---------- Markets ---------- */
.mkt{grid-column:span 6;border:1.5px solid var(--ink);display:flex;flex-direction:column;background:var(--paper)}
.mkt__bar{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--ink);font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.mkt__bar span:last-child{color:var(--ink-soft);font-weight:400}
.mkt__body{display:grid;grid-template-columns:1fr minmax(150px,38%);gap:20px;padding:28px 26px 30px;flex:1}
.mkt h3{font-size:clamp(26px,2.3vw,34px);line-height:1}
.mkt p{margin-top:16px;color:var(--ink-soft)}
.mkt__art{align-self:center}
.mkt__art svg{width:100%;height:auto}
.mkt__link{display:flex;align-items:center;justify-content:space-between;padding:16px 26px;border-top:1px solid var(--ink);font:500 12px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;transition:background-color .15s}
.mkt__link:hover{background:var(--paper-2)}
.mkt__link svg{width:22px;height:10px;transition:transform .2s var(--ease)}
.mkt__link:hover svg{transform:translateX(5px)}

/* ---------- Modular ---------- */
.mod__iso{grid-column:1/span 7;grid-row:span 2}
.mod__iso .canvas{padding:18px 10px 6px}
.iso{width:100%;height:auto}
.iso-legend{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ink)}
.iso-legend li{padding:10px 12px;border-right:1px solid var(--hair);font:400 10.5px/1.35 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft)}
.iso-legend li:last-child{border-right:0}
.iso-legend b{display:block;color:var(--ink);font-weight:500;font-size:12px}
.mod__text{grid-column:9/span 4}
.mod__photo{grid-column:9/span 4;align-self:end;margin-top:32px}
.duo{position:relative;isolation:isolate;overflow:hidden;background:var(--duo-lo)}
.duo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.28) brightness(1.06);mix-blend-mode:screen}
.duo::after{content:"";position:absolute;inset:0;background:var(--duo-hi);mix-blend-mode:multiply;pointer-events:none}
.mod__photo .duo{aspect-ratio:3/2}
.crop{position:absolute;width:16px;height:16px;z-index:2;pointer-events:none}
.crop::before,.crop::after{content:"";position:absolute;background:var(--ink)}
.crop::before{width:16px;height:1px}.crop::after{width:1px;height:16px}
.crop.tl{top:-9px;left:-9px}.crop.tr{top:-9px;right:-9px;transform:scaleX(-1)}
.crop.bl{bottom:-9px;left:-9px;transform:scaleY(-1)}.crop.br{bottom:-9px;right:-9px;transform:scale(-1)}
.crop.tl::before,.crop.tl::after{top:0;left:0}
.crop.tr::before,.crop.tr::after,.crop.bl::before,.crop.bl::after,.crop.br::before,.crop.br::after{top:0;left:0}

.stages{grid-column:1/-1;margin-top:clamp(56px,7vw,96px)}
.stages__brackets{display:grid;grid-template-columns:repeat(5,1fr);margin-bottom:22px}
.brk{position:relative;padding-top:14px;border-top:1px solid var(--ink-soft);font:500 11px/1.4 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-align:center;margin-inline:10px}
.brk::before,.brk::after{content:"";position:absolute;top:-1px;width:1px;height:10px;background:var(--ink-soft)}
.brk::before{left:0}.brk::after{right:0}
.brk--us{grid-column:1/span 3}
.brk--field{grid-column:4/span 2;color:var(--red-ink)}
.brk span{position:absolute;top:-8px;left:50%;transform:translateX(-50%);background:var(--paper);padding:0 10px;white-space:nowrap}
.stages__track{position:relative}
.stages ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr)}
.rail{position:absolute;left:10%;right:10%;top:22px;height:1.5px;background:var(--ink);transform-origin:left;transition:transform 1.4s var(--ease) .2s}
.js .stages:not(.in) .rail{transform:scaleX(0)}
.rail i{position:absolute;top:-4px;left:0;width:10px;height:10px;background:var(--red);animation:ride 6s var(--ease) infinite 1.6s;opacity:0}
.stages.in .rail i{opacity:1}
@keyframes ride{0%{left:0}85%,100%{left:calc(100% - 10px)}}
.stages li{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative}
.node{width:46px;height:46px;border:1.5px solid var(--ink);background:var(--paper);display:flex;align-items:center;justify-content:center;font:500 13px "IBM Plex Mono",monospace;position:relative;z-index:1;transform:rotate(45deg)}
.node span{transform:rotate(-45deg)}
.stages li h3{margin-top:18px;font-size:22px;line-height:1}
.stages li p{margin-top:6px;font:400 11px "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- Projects band ---------- */
.band{padding-block:clamp(56px,6vw,88px)}
.band__fig{grid-column:1/-1;margin:0;position:relative}
.band__frame{position:relative}
.band__frame::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(90deg,rgba(243,240,232,.72),transparent 60%)}
.band .duo{aspect-ratio:16/9;max-height:680px;width:100%}
.band__text{position:absolute;top:clamp(20px,3.4vw,52px);left:clamp(20px,3.4vw,52px);max-width:min(560px,52%);z-index:3;color:var(--ink)}
.band__text h2{font-size:clamp(32px,3.8vw,58px);line-height:.96;margin-top:14px}
.band__text p{margin-top:16px;font-size:16.5px;max-width:42ch;color:var(--ink)}
.band__text .mono{display:inline-flex;gap:10px;align-items:center}
:root[data-theme="dark"] .band__text,:root[data-theme="dark"] .band__text p{color:#E8ECF7;text-shadow:0 1px 0 rgba(13,26,61,.6)}
:root[data-theme="dark"] .band__frame::before{background:linear-gradient(90deg,rgba(13,26,61,.78),transparent 60%)}
@media (prefers-color-scheme: dark){
  :root:not([data-theme]) .band__text,:root:not([data-theme]) .band__text p{color:#E8ECF7;text-shadow:0 1px 0 rgba(13,26,61,.6)}
  :root:not([data-theme]) .band__frame::before{background:linear-gradient(90deg,rgba(13,26,61,.78),transparent 60%)}
}
.band__cap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:12px;font:400 11.5px "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- About ---------- */
.about__text{grid-column:1/span 6}
.about__text .lead{margin-top:0}
.about__q{grid-column:8/span 5;align-self:start}
.quote{margin:0;border:1.5px solid var(--ink)}
.quote blockquote{margin:0;padding:30px 28px 26px;font:500 clamp(23px,2vw,29px)/1.22 "IBM Plex Sans Condensed",sans-serif;position:relative}
.quote blockquote::before{content:"“";position:absolute;left:24px;top:-6px;font:600 64px/1 "IBM Plex Sans Condensed",sans-serif;color:var(--red);background:var(--paper);padding:0 6px;transform:translateY(-22px)}
.quote figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 28px;border-top:1px solid var(--ink);font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.quote figcaption span:last-child{color:var(--ink-soft);font-weight:400}
.span{margin-top:42px}
.span__ends{display:flex;justify-content:space-between;font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.span__line{position:relative;height:22px;margin-top:8px}
.span__line::before{content:"";position:absolute;left:0;right:0;top:10px;border-top:1px solid var(--ink-soft)}
.span__line i{position:absolute;top:5px;width:0;height:0;border-block:5px solid transparent}
.span__line i:first-child{left:0;border-right:10px solid var(--ink-soft)}
.span__line i:last-child{right:0;border-left:10px solid var(--ink-soft)}
.span__who{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.span__who span{border:1px solid var(--ink);padding:6px 10px;font:500 11px "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase}

/* ---------- Pathways ---------- */
.paths{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);border:1.5px solid var(--ink);list-style:none;margin:0;padding:0}
.paths li{display:flex}
.paths li+li{border-left:1px solid var(--ink)}
.paths a{flex:1;display:flex;flex-direction:column;justify-content:flex-start;gap:14px;padding:22px 22px 24px;text-decoration:none;position:relative;transition:background-color .15s}
.paths a:hover{background:var(--paper-2)}
.paths .mono{color:var(--ink-soft);font-weight:400}
.paths h3{font-size:30px;line-height:1;padding-top:26px}
.paths p{color:var(--ink-soft);font-size:15.5px;line-height:1.5}
.paths a>.mono:first-child{display:none} /* AUD-0x ids: sheet noise */
.paths .go{position:absolute;top:18px;right:18px;width:34px;height:34px;border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;transition:background-color .15s,transform .2s var(--ease)}
.paths .go svg{width:16px;height:16px}
.paths a:hover .go{background:var(--ink);color:var(--on-ink);transform:translate(3px,-3px)}

/* ---------- Contact ---------- */
.contact__text{grid-column:1/span 5}
.contact__text h2{font-size:clamp(44px,5.4vw,84px);line-height:.92;margin-top:26px}
.contact__text .lead{margin-top:26px}
.nda{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:10px 14px;border:1.5px solid var(--red);color:var(--red-ink)}
.contact__form{grid-column:7/span 6}
.form{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}
.fld{display:flex;flex-direction:column;padding:12px 16px 14px;border-bottom:1px solid var(--hair)}
.fld:nth-child(odd):not(.wide){border-right:1px solid var(--hair)}
.fld.wide{grid-column:1/-1}
.fld label{font:500 10.5px "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.fld input,.fld select,.fld textarea{margin-top:6px;border:0;border-bottom:1px solid transparent;background:transparent;padding:4px 0;font-size:16px;outline:none;border-radius:0}
.fld select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(-45deg,transparent 50%,var(--ink) 50%);background-position:calc(100% - 10px) 55%,calc(100% - 5px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.fld select option{background:var(--paper);color:var(--ink)}
.fld textarea{resize:vertical;min-height:96px}
.fld:focus-within{background:var(--paper-2)}
.fld:focus-within label{color:var(--red-ink)}
.fld input:focus-visible,.fld select:focus-visible,.fld textarea:focus-visible{outline:none;border-bottom-color:var(--red)}
.form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px}
.form__foot p{font:400 11.5px/1.5 "IBM Plex Mono",monospace;color:var(--ink-soft);max-width:36ch}
.form__status{grid-column:1/-1;padding:0 16px 16px;font:500 12px/1.5 "IBM Plex Mono",monospace;letter-spacing:.04em;color:var(--ink)}
.form__status:empty{display:none}

/* ---------- Footer title block ---------- */
.tbf{border-top:1.5px solid var(--ink);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,3fr) minmax(0,5fr)}
.tbf>div{border-right:1px solid var(--ink)}
.tbf>div:last-child{border-right:0}
.cell{padding:9px 14px;border-bottom:1px solid var(--hair)}
.cell:last-child{border-bottom:0}
.cell small{display:block;font:400 9.5px "IBM Plex Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.cell b,.cell span,.cell a{font:500 12.5px/1.4 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase}
.revs{width:100%;border-collapse:collapse;font:400 11px "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase}
.revs th,.revs td{text-align:left;padding:7px 14px;border-bottom:1px solid var(--hair)}
.revs th{font-weight:500;font-size:10px;color:var(--ink-soft);letter-spacing:.1em}
.revs tr:last-child td{border-bottom:0}
.revs td:first-child,.revs th:first-child{width:56px;border-right:1px solid var(--hair);text-align:center}
.tbf__brand{display:flex;flex-direction:column;justify-content:space-between}
.tbf__brand .brand{border:0;padding:16px 14px}
.tbf__brand p{padding:0 14px 14px;font-size:13px;color:var(--ink-soft)}
.tbf__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.tbf__grid .cell{border-right:1px solid var(--hair)}
.tbf__grid .cell:nth-child(4n){border-right:0}
.tbf__grid .t2{grid-column:span 4}
.tbf__grid .t2 b{font:600 17px/1.2 "IBM Plex Sans Condensed",sans-serif;letter-spacing:.04em}
.tbf__links{display:flex;gap:18px;flex-wrap:wrap}
.tbf__links a{text-decoration:none;border-bottom:1px solid var(--hair)}
.tbf__links a:hover{border-color:var(--red)}
.small{grid-column:1/-1;border-top:1px solid var(--ink);padding:10px 14px;font:400 11px/1.5 "IBM Plex Mono",monospace;color:var(--ink-soft);display:flex;justify-content:space-between;gap:6px 16px;flex-wrap:wrap;letter-spacing:.02em}
.small .small__legal{flex-basis:100%;max-width:120ch}

/* ---------- Responsive ---------- */
@media (max-width:1240px){
  .nav{display:none}
  .tb__main{grid-template-columns:auto 1fr auto auto auto}
  .tb__menu{display:flex;grid-column:4}
  .tb__main>.tb__btn--theme{grid-column:3}
  .tb__cta{grid-column:5}
  .tb.is-open .nav{display:block;position:absolute;left:-1.5px;right:-1.5px;top:100%;background:var(--paper);border:1.5px solid var(--ink);border-top:0;max-height:calc(100vh - 92px);overflow:auto}
  .tb.is-open .nav ul{flex-direction:column;padding:0}
  .tb.is-open .nav li{border-top:1px solid var(--hair)}
  .tb.is-open .nav a{flex:1;padding:18px 22px;font-size:18px;justify-content:space-between}
  .tb.is-open .nav a::after{display:none}
  .tb.is-open .nav a::before{content:attr(data-n);order:2;font:400 11px "IBM Plex Mono",monospace;color:var(--ink-soft)}
  .tb.is-open .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--red);background:var(--paper-2)}
}
@media (max-width:1180px){
  .hero__copy{grid-column:1/-1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap)}
  .hero__copy>*{grid-column:1/-1}
  .hero h1{grid-column:1/span 8;font-size:clamp(44px,7vw,80px)}
  .hero .lead{grid-column:1/span 7}
  .cta-row{grid-column:1/span 7}
  .hero__line{margin-top:28px}
  .hero__fig{grid-column:1/-1;margin-top:44px}
  .prob__body{grid-column:1/span 6}
  .prob__fig{grid-column:7/span 6}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:48px}
  .step:nth-child(2) .step__fig::after,.step:nth-child(2) .step__fig::before{display:none}
  .tech__intro{grid-column:1/span 7}
  .tech__aside{grid-column:8/span 5}
  .mod__iso{grid-column:1/-1;grid-row:auto}
  .mod__text{grid-column:1/span 6;margin-top:40px}
  .mod__photo{grid-column:7/span 6;margin-top:40px}
  .about__text{grid-column:1/span 7}
  .about__q{grid-column:1/span 8;margin-top:44px}
  .paths{grid-template-columns:repeat(2,1fr)}
  .paths li:nth-child(3){border-left:0}
  .paths li:nth-child(n+3){border-top:1px solid var(--ink)}
  .contact__text{grid-column:1/span 6}
  .contact__form{grid-column:1/-1;margin-top:44px}
  .tbf{grid-template-columns:1fr 1fr}
  .tbf>div:nth-child(2){border-right:0}
  .tbf>div:nth-child(3){grid-column:1/-1;border-top:1px solid var(--ink)}
}
@media (max-width:960px){
  .prob__body,.prob__fig{grid-column:1/-1}
  .prob__fig{margin-top:40px}
  .notes ol{grid-template-columns:1fr}
  .tech__intro,.tech__aside{grid-column:1/-1}
  .tech__aside{margin-top:24px}
  .mkt{grid-column:1/-1}
  .mkt+.mkt{margin-top:24px}
  .sched{grid-template-columns:repeat(2,1fr)}
  .sched li:nth-child(4n){border-right:1px solid var(--hair)}
  .sched li:nth-child(2n){border-right:0}
}
@media (max-width:760px){
  :root{--gap:16px;--strip:0px}
  .sheet{margin:8px;outline-offset:3px}
  .sheet__body{border-inline:0}
  .zone{display:none}
  .g12{grid-template-columns:repeat(4,minmax(0,1fr))}
  .rules .g12>i:nth-child(n+5){display:none}
  .ruler span:nth-child(n+5){display:none}
  .tb__meta>span:not(.keep){display:none}
  .tb__meta .keep.grow{flex:1}
  .tb__main{height:58px;grid-template-columns:1fr auto auto}
  .brand{border-right:0;padding:0 12px}
  .brand__name b{font-size:21px}
  .tb__cta{display:none}
  .tb__btn{min-width:54px;padding:0 12px}
  .tb__menu .lbl{display:none}
  .tb.is-open .nav .nav__cta{display:block}
  .tb.is-open .nav .nav__cta a{background:var(--ink);color:var(--on-ink);font:500 13px "IBM Plex Mono",monospace;letter-spacing:.08em}
  .tb.is-open .nav .nav__cta a::before{content:none}
  .hero h1,.hero .lead,.cta-row,.hero__line{grid-column:1/-1;grid-row:auto}
  .hero h1{font-size:clamp(40px,11.5vw,56px);margin-top:22px}
  .hero__fig{margin-top:36px}
  .pid-scroll{overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .pid{width:900px;max-width:none}
  .fig__hint{display:flex;align-items:center;gap:8px;padding:8px 14px;border-bottom:1px solid var(--hair);font:500 10.5px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--red-ink)}
  .fig__bar .r{display:none}
  .fig__bar{font-size:10px}
  .sched{grid-template-columns:1fr 1fr}
  .sched li{padding:9px 10px;gap:8px}
  .sh h2{font-size:clamp(28px,8vw,38px)}
  .triad__item{grid-column:1/-1;padding:20px 0}
  .triad__item::before{display:none}
  .triad__item+.triad__item{border-top:1px solid var(--ink)}
  .triad__n{font-size:32px}
  .blend{--bp:14px}
  .dimln--top{margin-left:40%}
  .seg span{font-size:10px;padding:2px 4px}
  .steps{grid-template-columns:1fr;row-gap:44px}
  .step .step__fig::after,.step .step__fig::before{display:none}
  .spec,.spec tbody,.spec tr,.spec th,.spec td,.spec caption{display:block;width:auto!important}
  .spec caption{padding:12px 16px;border-bottom:1.5px solid var(--ink)}
  .spec thead{display:none}
  .spec tbody tr{border-bottom:1.5px solid var(--ink)}
  .spec tbody tr:last-child{border-bottom:0}
  .spec tbody th{padding:16px 16px 10px;border-bottom:1px solid var(--hair)}
  .spec td{border-left:0;padding:12px 16px 14px}
  .spec td.khu::before{top:14px}
  .spec .lbl{display:block;font:500 10.5px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
  .spec td.khu .lbl{color:var(--red-ink)}
  .mkt__body{grid-template-columns:1fr;padding:22px 18px}
  .mkt__art{max-width:240px;order:-1}
  .mkt__link{padding:16px 18px}
  .mkt__bar{padding:10px 14px}
  .iso-legend{grid-template-columns:1fr 1fr}
  .iso-legend li{border-bottom:1px solid var(--hair)}
  .iso-legend li:nth-child(2n){border-right:0}
  .mod__text,.mod__photo{grid-column:1/-1}
  .stages__brackets{display:none}
  .stages ol{grid-template-columns:1fr;row-gap:0}
  .rail{left:22px;right:auto;top:24px;bottom:24px;width:1.5px;height:auto;transform-origin:top}
  .js .stages:not(.in) .rail{transform:scaleY(0)}
  .rail i{left:-4px!important;animation-name:ridey}
  @keyframes ridey{0%{top:0}85%,100%{top:calc(100% - 10px)}}
  .stages li{flex-direction:row;text-align:left;gap:20px;padding:10px 0}
  .stages li h3{margin-top:0}
  .stages li>div{display:flex;flex-direction:column}
  .node{width:40px;height:40px;margin-left:3px}
  .band__text{position:static;max-width:none;margin-top:20px;color:var(--ink)!important}
  .band__text p{color:var(--ink-soft)!important}
  .band__text,.band__text p{text-shadow:none!important}
  .band__frame::before{display:none}
  .about__text,.about__q{grid-column:1/-1}
  .paths{grid-template-columns:1fr}
  .paths li+li{border-left:0;border-top:1px solid var(--ink)}
  .paths a{min-height:0}
  .paths h3{padding-top:28px;font-size:28px}
  .contact__text,.contact__form{grid-column:1/-1}
  .form{grid-template-columns:1fr}
  .fld:nth-child(odd):not(.wide){border-right:0}
  .tbf{grid-template-columns:1fr}
  .tbf>div{border-right:0;border-top:1px solid var(--ink)}
  .tbf>div:first-child{border-top:0}
  .tbf__grid{grid-template-columns:1fr 1fr}
  .tbf__grid .t2{grid-column:span 2}
  .tbf__grid .cell{border-right:0}
  .tbf__grid .cell:nth-child(even):not(.t2){border-right:1px solid var(--hair)}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js .drawable .d{stroke-dashoffset:0}
  .js .drawable .f,.js .drawable .flow,.js .rv{opacity:1;transform:none}
  .js .drawable .b{transform:none}
  .js .stages .rail{transform:none}
  .rail i{display:none}
  .js .blend .seg--heavy{flex-grow:60}.js .blend .seg--dil{flex-grow:40}
}

/* =====================================================================
   SITE ADDITIONS (multi-page build)
   ===================================================================== */

/* ---------- Layout helpers (inside .wrap.g12) ---------- */
.span-3{grid-column-end:span 3}.span-4{grid-column-end:span 4}.span-5{grid-column-end:span 5}.span-6{grid-column-end:span 6}
.span-7{grid-column-end:span 7}.span-8{grid-column-end:span 8}.span-12{grid-column:1/-1}
.start-1{grid-column-start:1}.start-5{grid-column-start:5}.start-6{grid-column-start:6}.start-7{grid-column-start:7}.start-8{grid-column-start:8}.start-9{grid-column-start:9}
.mt-s{margin-top:24px}.mt-m{margin-top:clamp(32px,4vw,48px)}.mt-l{margin-top:clamp(48px,6vw,80px)}
.sec--alt{background:var(--paper-2)}
.sec--tight{padding-block:clamp(44px,5vw,72px)}
.prose>*+*{margin-top:18px}
.prose p{color:var(--ink-soft)}
.prose h3{font-size:clamp(22px,1.9vw,28px);line-height:1.05;margin-top:36px}
.prose ul{margin:0;padding:0;list-style:none}
.prose ul li{position:relative;padding-left:22px;color:var(--ink-soft)}
.prose ul li+li{margin-top:8px}
.prose ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--red)}
.kicker{display:flex;gap:10px;align-items:center;color:var(--ink-soft)}

/* Text link with arrow: "Heavy Crude →" */
.more{display:inline-flex;align-items:center;gap:10px;min-height:44px;font:500 12px/1 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;border-bottom:1.5px solid var(--ink);padding-top:2px;transition:color .15s,border-color .15s}
.more svg{width:20px;height:10px;flex:none;transition:transform .2s var(--ease)}
.more:hover{color:var(--red-ink);border-color:var(--red)}
.more:hover svg{transform:translateX(4px)}
.more-row{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center}

/* ---------- Inner-page hero (title block) ---------- */
.ph{border-top:0;padding-block:clamp(28px,3.4vw,48px) clamp(48px,5.5vw,84px)}
.crumb{grid-column:1/-1;display:flex;align-items:stretch;justify-content:space-between;gap:12px;flex-wrap:wrap;border:1px solid var(--ink);margin-bottom:clamp(36px,4.5vw,64px);font:500 11px/1 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.crumb ol{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.crumb li{display:flex;align-items:center;padding:10px 14px;border-right:1px solid var(--hair);color:var(--ink-soft)}
.crumb li:last-child{border-right:0}
.crumb li a{text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;min-height:24px}
.crumb li a:hover{color:var(--red-ink)}
.crumb li[aria-current]{color:var(--ink)}
.crumb li[aria-current]::before{content:"";width:8px;height:8px;background:var(--red);margin-right:10px}
/* The title block already shows DWG/sheet, so the breadcrumb's right half is hidden. */
.crumb__sheet{display:none}
.crumb__sheet b{color:var(--ink);font-weight:500}
.ph__copy{grid-column:1/span 7;display:flex;flex-direction:column}
.ph--wide .ph__copy{grid-column:1/span 9}
.ph h1{margin-top:24px;font-size:clamp(42px,5vw,76px);line-height:.93;letter-spacing:-.005em;max-width:16ch}
.ph h1 em{font-style:normal;color:var(--red-ink)}
/* The red half-headline belongs to home and contact only; inner pages set it in ink. */
body:not([data-sheet="1"]):not([data-sheet="8"]) .ph h1 em{color:inherit}
.ph .lead{margin-top:26px;max-width:52ch}
.ph .cta-row{margin-top:30px}
.ph__fig{grid-column:8/span 5;align-self:end}
.ph__spec{margin-top:36px;display:grid;grid-template-columns:auto 1fr;border-top:1px solid var(--ink);font:400 11.5px/1.5 "IBM Plex Mono",monospace;letter-spacing:.04em;text-transform:uppercase;max-width:520px}
.ph__spec dt,.ph__spec dd{margin:0;padding:8px 0;border-bottom:1px solid var(--hair)}
.ph__spec dt{color:var(--ink-soft);padding-right:18px}
.ph__spec dd{font-weight:500}

/* ---------- Tabs (figure tabs, segmented) ---------- */
.tabs{display:flex;gap:0;margin-left:auto;border:1px solid var(--ink)}
.tab{appearance:none;background:transparent;border:0;border-left:1px solid var(--ink);padding:7px 12px;min-height:32px;font:500 11px/1 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background-color .15s,color .15s}
.tab:first-child{border-left:0}
.tab:hover{color:var(--ink);background:var(--paper-2)}
.tab[aria-selected="true"]{background:var(--ink);color:var(--on-ink)}
.tab[aria-selected="true"] .sq{background:var(--red)}
.tab .sq{width:6px;height:6px;background:var(--hair)}
.tab:focus-visible{outline:2px solid var(--red);outline-offset:2px;position:relative;z-index:1}
.fig__bar--tabs{padding-block:6px}
[role="tabpanel"][hidden]{display:none!important}

/* ---------- 3D scene container ---------- */
/* Mount element. The 3D toolkit adds .b3d; .scene.b3d keeps our height. */
.scene,.scene.b3d{--scene-h:clamp(360px,42vw,600px);position:relative;height:var(--scene-h);min-height:280px;width:100%;overflow:hidden;border:1.5px solid var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid-minor) 1px,transparent 1px),linear-gradient(90deg,var(--grid-minor) 1px,transparent 1px);background-size:80px 80px,80px 80px,16px 16px,16px 16px;background-position:-1px -1px}
.scene--hero,.scene--hero.b3d{--scene-h:clamp(340px,34vw,500px)}
.scene--teaser,.scene--teaser.b3d{--scene-h:clamp(340px,34vw,500px)}
.scene--full,.scene--full.b3d{--scene-h:min(76vh,700px)}
.scene:empty::after{content:"Loading 3D view";position:absolute;inset:0;display:grid;place-items:center;font:500 11px "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
/* Figure wrapper: caption bar on top, scene, optional caption below */
.scene-fig{margin:0;border:1.5px solid var(--ink);background:var(--paper);position:relative}
.scene-fig>.scene,.fig>.scene,[role="tabpanel"]>.scene{border:0}
.scene__bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:9px 14px;border-bottom:1px solid var(--ink);font:500 11px/1.3 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.scene__bar .r{margin-left:auto;color:var(--ink-soft);font-weight:400}
.scene__bar .r a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hair)}
.scene__bar .r a:hover{color:var(--red-ink);border-color:var(--red)}
.scene-fig.is-failed,.scene.is-failed{display:none}
.scene-hint{display:flex;align-items:center;gap:8px;padding:8px 14px;border-top:1px solid var(--hair);font:400 11px/1.4 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- Cards ---------- */
.cards{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.cards--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{border:1.5px solid var(--ink);background:var(--paper);display:flex;flex-direction:column;min-width:0}
.card__bar{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--ink);font:500 11px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.card__bar span:last-child{color:var(--ink-soft);font-weight:400}
.card__body{padding:22px 22px 24px;flex:1}
.card__body h3{font-size:clamp(22px,1.8vw,27px);line-height:1.02}
.card__body p{margin-top:12px;color:var(--ink-soft);font-size:15.5px}
.card__art{border-bottom:1px solid var(--hair);background:var(--paper)}
.card__art svg{width:100%;height:auto}
.card__link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:12px 22px;border-top:1px solid var(--ink);font:500 12px "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;transition:background-color .15s}
.card__link:hover{background:var(--paper-2)}
.card__link svg{width:22px;height:10px;transition:transform .2s var(--ease)}
.card__link:hover svg{transform:translateX(5px)}

/* Key/value spec list (like a drawing's general notes block) */
.kv{display:grid;grid-template-columns:minmax(120px,auto) 1fr;margin:0;border-top:1.5px solid var(--ink);font-size:15.5px}
.kv dt,.kv dd{margin:0;padding:12px 0;border-bottom:1px solid var(--hair)}
.kv dt{font:500 11px/1.6 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);padding-right:20px}
.kv dd{color:var(--ink)}

/* Spec table helpers */
.spec--simple td{width:auto}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* Monogram roundel (leadership: never faces) */
.roundel{width:72px;height:72px;border:1.5px solid var(--ink);border-radius:50%;display:grid;place-items:center;font:600 22px/1 "IBM Plex Sans Condensed",sans-serif;letter-spacing:.08em;position:relative;background:var(--paper)}
.roundel::before{content:"";position:absolute;inset:5px;border:1px dashed var(--ink-soft);border-radius:50%}

/* Stamp */
/* Flat mono tag (no rotation) */
.stamp{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--red);color:var(--red-ink);font:500 11.5px/1.2 "IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}

/* ---------- Closing CTA band ---------- */
.cta-end__text{grid-column:1/span 7}
.cta-end__text h2{font-size:clamp(44px,5.4vw,84px);line-height:.92;margin-top:26px}
.cta-end__text .lead{margin-top:26px;max-width:52ch}
.cta-end__side{grid-column:9/span 4;align-self:end;display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.cta-end__side .btn{width:100%;justify-content:space-between}

/* ---------- Forms (extended) ---------- */
.fld{position:relative}
.fld label .req{color:var(--red-ink);margin-left:4px}
.fld .opt{color:var(--ink-soft);font-weight:400;text-transform:none;letter-spacing:.02em;margin-left:6px}
.fld input,.fld select,.fld textarea{min-height:34px}
.fld input::placeholder,.fld textarea::placeholder{color:color-mix(in srgb,var(--ink-soft) 70%,transparent)}
.fld__row{display:flex;gap:10px;align-items:flex-end}
.fld__row>input{flex:1;min-width:0}
.fld__row>select{flex:none;width:auto;padding-right:24px}
.fld__help{margin-top:4px;font:400 11px/1.45 "IBM Plex Mono",monospace;color:var(--ink-soft);letter-spacing:.02em}
.fld__err{display:none;margin-top:6px;font:500 11px/1.4 "IBM Plex Mono",monospace;letter-spacing:.04em;color:var(--red-ink)}
.fld.is-invalid{background:color-mix(in srgb,var(--red) 7%,transparent)}
.fld.is-invalid label{color:var(--red-ink)}
.fld.is-invalid input,.fld.is-invalid select,.fld.is-invalid textarea{border-bottom-color:var(--red)}
.fld.is-invalid .fld__err{display:flex;gap:6px;align-items:baseline}
.fld.is-invalid .fld__err::before{content:"!";display:inline-grid;place-items:center;width:14px;height:14px;flex:none;border:1px solid var(--red);font-size:9px;transform:translateY(2px)}
.form__group{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;border:0;margin:0;padding:0;min-width:0}
.form__group[hidden]{display:none}
fieldset.fld{border:0;border-bottom:1px solid var(--hair);margin:0;min-width:0}
fieldset.fld>legend{padding:0 0 10px;font:500 10.5px "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
fieldset.fld:focus-within{background:transparent}
.form__legend{grid-column:1/-1;display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--ink);background:var(--paper-2);font:500 11px/1.3 "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase}
.form__legend .r{margin-left:auto;color:var(--ink-soft);font-weight:400}
.form__group>.fld:nth-of-type(odd):not(.wide){border-right:1px solid var(--hair)}
.form__group>.fld:nth-of-type(even):not(.wide){border-right:0}

/* Segmented control (radio buttons styled as segments) */
.segs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1.5px solid var(--ink);margin:0;padding:0;min-width:0}
.segs legend{padding:0}
.segs label{position:relative;display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:64px;padding:12px 14px;border-left:1px solid var(--ink);cursor:pointer;transition:background-color .15s,color .15s}
.segs label:first-of-type{border-left:0}
.segs label:hover{background:var(--paper-2)}
.segs input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.segs b{font:600 18px/1.05 "IBM Plex Sans Condensed",sans-serif;text-transform:uppercase;letter-spacing:.02em}
.segs small{font:400 10.5px/1.3 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
.segs input:checked+span{color:var(--on-ink)}
.segs label:has(input:checked){background:var(--ink);color:var(--on-ink)}
.segs label:has(input:checked) small{color:color-mix(in srgb,var(--on-ink) 75%,transparent)}
.segs label:has(input:checked)::after{content:"";position:absolute;top:10px;right:10px;width:8px;height:8px;background:var(--red)}
.segs label:has(input:focus-visible){outline:2px solid var(--red);outline-offset:-4px}
.segs span{display:flex;flex-direction:column;gap:4px}

.fld .segs label,.fld .chips label,.fld:focus-within .segs label,.fld:focus-within .chips label,.fld .chk,.fld:focus-within .chk{color:var(--ink)}
.fld .segs label:has(input:checked),.fld .chips label:has(input:checked){color:var(--on-ink)}
.fld .chk{font:400 15.5px/1.45 "IBM Plex Sans",system-ui,sans-serif;letter-spacing:0;text-transform:none}
/* Checkboxes (chips and single) */
.chk{display:flex;align-items:flex-start;gap:12px;cursor:pointer;min-height:44px;padding:10px 0;font-size:15.5px}
.chk input{appearance:none;flex:none;width:20px;height:20px;margin:1px 0 0;border:1.5px solid var(--ink);background:var(--paper);display:grid;place-items:center;cursor:pointer}
.chk input::after{content:"";width:10px;height:10px;background:var(--red);transform:scale(0);transition:transform .15s var(--ease)}
.chk input:checked::after{transform:scale(1)}
.chk input:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.chk small{display:block;margin-top:2px;font:400 11px/1.45 "IBM Plex Mono",monospace;color:var(--ink-soft);letter-spacing:.02em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chips label{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:8px 12px;border:1px solid var(--ink);font:500 11px/1.2 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background-color .15s,color .15s}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips label::before{content:"";width:8px;height:8px;border:1px solid currentColor;flex:none}
.chips label:has(input:checked){background:var(--ink);color:var(--on-ink)}
.chips label:has(input:checked)::before{background:var(--red);border-color:var(--red)}
.chips label:has(input:focus-visible){outline:2px solid var(--red);outline-offset:2px}

/* Error summary */
.form__summary{grid-column:1/-1;margin:16px 16px 0;padding:12px 14px;border:1.5px solid var(--red);color:var(--red-ink);font:500 12px/1.5 "IBM Plex Mono",monospace;letter-spacing:.03em}
.form__summary[hidden]{display:none}
.form__summary a{color:inherit}

/* Transmittal receipt (form confirmation) */
.transmittal{border:1.5px solid var(--ink);background:var(--paper);position:relative}
.transmittal:focus{outline:none}
.transmittal__head{display:grid;grid-template-columns:1fr auto;border-bottom:1.5px solid var(--ink)}
.transmittal__head>div{padding:18px 20px}
.transmittal__head>div+div{border-left:1px solid var(--ink);display:flex;flex-direction:column;justify-content:center;align-items:flex-end;text-align:right}
.transmittal__head h2{font-size:clamp(28px,2.8vw,40px);line-height:.98;margin-top:10px}
.transmittal__ref{font:500 clamp(15px,1.4vw,19px)/1.2 "IBM Plex Mono",monospace;letter-spacing:.06em;color:var(--red-ink);margin-top:6px;white-space:nowrap}
.transmittal table{width:100%;border-collapse:collapse;font-size:15px}
.transmittal th,.transmittal td{text-align:left;vertical-align:top;padding:11px 20px;border-bottom:1px solid var(--hair)}
.transmittal th{width:34%;font:500 10.5px/1.6 "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);border-right:1px solid var(--hair)}
.transmittal td{overflow-wrap:anywhere}
.transmittal__foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:16px 20px}
.transmittal__foot p{font:400 11.5px/1.5 "IBM Plex Mono",monospace;color:var(--ink-soft);max-width:44ch}
.transmittal .stamp{margin-top:14px;background:var(--paper)}
.transmittal__acts{display:flex;flex-wrap:wrap;gap:10px}

@media (max-width:1180px){
  .ph__copy,.ph--wide .ph__copy{grid-column:1/-1}
  .ph__fig{grid-column:1/-1;margin-top:40px}
  .cta-end__text{grid-column:1/span 8}
  .cta-end__side{grid-column:1/span 6;margin-top:36px}
  .cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:1/-1}
  .start-5,.start-6,.start-7,.start-8,.start-9{grid-column-start:1}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .segs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .segs label:nth-of-type(3){border-left:0}
  .segs label:nth-of-type(n+3){border-top:1px solid var(--ink)}
}
@media (max-width:760px){
  .crumb{margin-bottom:28px}
  .crumb li{padding:10px 12px}
  .ph h1{font-size:clamp(38px,11vw,54px);margin-top:20px}
  .fig__bar--tabs{flex-wrap:wrap}
  .fig__bar--tabs .tabs{margin-left:0;width:100%}
  .fig__bar--tabs .tab{flex:1;justify-content:center;min-height:44px}
  .scene,.scene.b3d{--scene-h:clamp(320px,92vw,440px)}
  .scene--full,.scene--full.b3d{--scene-h:min(72vh,520px)}
  .scene--teaser,.scene--teaser.b3d{--scene-h:500px}
  .cards,.cards--2,.cards--4{grid-template-columns:1fr}
  .cta-end__text,.cta-end__side{grid-column:1/-1}
  .cta-end__text h2{font-size:clamp(40px,11vw,56px)}
  .form__group{grid-template-columns:1fr}
  .form__group>.fld:nth-of-type(odd):not(.wide){border-right:0}
  .segs label{min-height:60px;padding:10px 12px}
  .segs b{font-size:16px}
  .transmittal__head{grid-template-columns:1fr}
  .transmittal__head>div+div{border-left:0;border-top:1px solid var(--ink);align-items:flex-start;text-align:left}
  .transmittal th,.transmittal td{display:block;width:auto;border-right:0;padding:8px 16px}
  .transmittal th{padding-bottom:0;border-bottom:0}
  .more{min-height:44px}
}
@media print{
  .tb,.tbf .revs,.ruler,.rules,.zone,.skip{display:none!important}
  .js .rv,.js .drawable .f,.js .drawable .flow{opacity:1!important;transform:none!important}
  .js .drawable .d{stroke-dashoffset:0!important}
  .js .drawable .b{transform:none!important}
  .sheet{margin:0;outline:0}
}