/* The home page (Concept B, "the engineering drawing"): a light ground, a pipe long section that
   ages as you watch, the budget slopegraph, a pinned scroll story, the model chain, the run's title
   block and the security route. Loaded after site.css on index.html only. No inline styles: every
   colour and size the drawings need is a class here; scripts set only positions and widths. */

.home{
  --muted-dark:#A9BCC1;--faint-dark:#7F969C;--text-dark:#F2F6F5;--subtle-dark:#C9D6D8;
  --r-low:#4E8F94;--r-med:#D9A441;--r-high:#E4572E;--r-vhigh:#8E1F10;
  --max:1240px;
  background:var(--ground);color:var(--ink)
}
.home h1,.home h2{font-family:var(--display);font-stretch:118%;font-weight:700;letter-spacing:-.03em;line-height:1.02;margin:0;text-wrap:balance}
.home h1{font-size:clamp(44px,7.4vw,104px)}
.home h2{font-size:clamp(30px,4.2vw,54px)}
.home h3{font-size:19px;line-height:1.3;margin:0}
.home p{margin:0}
.home .mono{font-family:var(--mono)}
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Hero */
.hero-b{padding:clamp(40px,6vw,80px) 0 0}
.hero-top{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:48px;align-items:end}
.hero-top .label{margin-bottom:18px}
.hero-b h1 .b{color:var(--burst-text)}
.hero-side{display:flex;flex-direction:column;gap:24px;padding-bottom:10px}
.hero-side > p:first-child{font-size:19px;color:var(--muted)}
.cred{display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.5;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
.cred svg{flex:none;color:var(--ink)}
@media (max-width:900px){.hero-top{grid-template-columns:1fr;gap:24px}}

/* The drawing sheet: a long section of one street */
.sheet{margin:48px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.sheet-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;padding:20px 24px 0}
.sheet-title{display:flex;flex-direction:column;gap:6px}
.sheet-title strong{font-size:16px}
.year{display:flex;align-items:baseline;gap:12px}
.year b{font:700 64px/.9 var(--display);font-stretch:118%;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.year .state{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:4px 8px;border-radius:4px;background:var(--accent-soft);color:#08403D}
.year .state.fc{background:#FBEEDC;color:#9A4A06}
.ls-scroll{overflow-x:auto;padding:8px 0 0}
.ls{min-width:860px;width:100%;height:auto}
.ls text{font-family:var(--mono)}
.ls .seg{transition:fill .5s ease,opacity .5s ease}
.ls .ring{transform-box:fill-box;transform-origin:center}
.ls .pop{animation:pop 1.2s ease-out forwards}
@keyframes pop{0%{transform:scale(.2);opacity:1}100%{transform:scale(2.4);opacity:0}}
.controls{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:center;padding:12px 24px 20px;border-top:1px solid var(--line-soft)}
.play{width:48px;height:48px;border-radius:50%;border:1px solid var(--ink);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.play:hover{background:var(--ink);color:#fff}
.play .ic-play{display:none}
.play.paused .ic-play{display:inline}
.play.paused .ic-pause{display:none}
.scrub{display:flex;flex-direction:column;gap:4px;min-width:0}
.scrub input[type=range]{width:100%;appearance:none;-webkit-appearance:none;height:28px;background:transparent;cursor:pointer;margin:0}
.scrub input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--ink) 0 var(--today),repeating-linear-gradient(90deg,#9A4A06 0 6px,transparent 6px 10px) var(--today) 100%)}
.scrub input[type=range]::-moz-range-track{height:4px;background:var(--line)}
.scrub input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--burst);border:3px solid #fff;margin-top:-9px;box-shadow:0 0 0 1px var(--ink)}
.scrub input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--burst);border:3px solid #fff}
.ticks{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--muted)}
.sheet-foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 24px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line-soft);background:#FAFBFB}
.key{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.key i,.slope-foot i{display:inline-block;width:18px;height:8px;border-radius:2px;margin-right:6px;vertical-align:1px}
.slope-foot i{width:12px;height:12px;border-radius:3px;vertical-align:-2px}
.k-low{background:var(--r-low)}.k-med{background:var(--r-med)}.k-high{background:var(--r-high)}.k-vhigh{background:var(--r-vhigh)}
.k-forecast{background:repeating-linear-gradient(90deg,#9A4A06 0 4px,transparent 4px 7px)}
.k-ink{background:var(--ink)}.k-burst{background:var(--burst)}

/* Sections */
.band{padding:clamp(72px,10vw,140px) 0}
.band.white{background:var(--surface)}
.band.flush{padding-bottom:0}
/* Sections below the first screen are laid out and painted only as they come near it (P18); the
   pinned story keeps its normal layout so its sticky window is never cut off. */
.band:not(#how),.home #pricing,.home #demo{content-visibility:auto;contain-intrinsic-size:auto 900px}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:end;margin-bottom:48px}
.head p{color:var(--muted);font-size:18px}
@media (max-width:860px){.head{grid-template-columns:1fr;gap:16px}}

/* Slopegraph: the same mains ranked by age and by risk */
.slope{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px}
.slope svg{width:100%;height:auto;overflow:visible}
.slope text{font-family:var(--mono);font-size:13px}
.slope .lnk{fill:none;stroke-width:2;transition:stroke .2s,stroke-width .2s,opacity .2s}
.slope g.row{cursor:pointer}
.slope.focus .lnk{opacity:.18}
.slope.focus .lnk.hl{opacity:1;stroke-width:3}
.slope-foot{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:16px}
.slope-scroll{overflow-x:auto}
.slope-scroll svg{min-width:620px}

/* The pinned story: a product window that follows the four steps */
.story{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:64px}
.stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 96px);align-self:start;height:min(560px,70vh)}
.window{height:100%;background:var(--ink-deep);border-radius:16px;border:1px solid var(--ink-deep);overflow:hidden;display:flex;flex-direction:column;color:var(--text-dark)}
.chrome{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line-dark);font:12px var(--mono);color:var(--faint-dark)}
.chrome i{width:9px;height:9px;border-radius:50%;background:#1E4550}
.chrome span{margin-left:10px}
.scene{position:relative;flex:1}
.pane{position:absolute;inset:0;padding:28px;display:flex;flex-direction:column;gap:16px;opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease;pointer-events:none}
.pane.on{opacity:1;transform:none;pointer-events:auto}
.pane .label{color:var(--muted-dark)}
.file{display:flex;align-items:center;gap:16px;padding:16px;border:1px dashed #3B6470;border-radius:12px}
.file .ic{width:40px;height:48px;border-radius:4px;border:1.5px solid var(--subtle-dark);position:relative;flex:none}
.file .ic::after{content:"GPKG";position:absolute;bottom:6px;left:0;right:0;text-align:center;font:500 9px var(--mono);color:var(--subtle-dark)}
.file-body{flex:1;min-width:0}
.file b{display:block;font:500 15px var(--mono)}
.file span{font-size:13px;color:var(--muted-dark)}
.prog{height:6px;border-radius:3px;background:var(--line-dark);overflow:hidden}
.prog.mt{margin-top:10px}
.prog i{display:block;height:100%;width:0;background:var(--burst)}
.pane.on .prog i{animation:fill 2.2s cubic-bezier(.3,.6,.2,1) forwards}
@keyframes fill{to{width:100%}}
.rows{font:13px/1.9 var(--mono);color:var(--subtle-dark);display:flex;flex-direction:column}
.rows div{display:grid;grid-template-columns:1.2fr .7fr .6fr .7fr .5fr;gap:8px;border-bottom:1px solid var(--line-dark);opacity:0}
.pane.on .rows div{animation:row .3s ease forwards}
@keyframes row{to{opacity:1}}
.mapgrid{display:grid;grid-template-columns:minmax(0,1fr) 80px minmax(0,1fr);gap:0 8px;align-items:center}
.mapgrid .f{height:40px;border-radius:8px;display:flex;align-items:center;padding:0 12px;font:500 13px var(--mono);margin:5px 0}
.mapgrid .src{border:1px solid var(--line-dark);color:var(--subtle-dark)}
.mapgrid .dst{background:#123B45;color:var(--text-dark);justify-content:space-between;font-family:var(--sans)}
.mapgrid .dst em{font-style:normal;color:#7FD1B9;opacity:0;transition:opacity .3s}
.mapgrid svg{grid-row:1/6;grid-column:2;height:100%;width:80px}
.mapgrid path{fill:none;stroke:#7FD1B9;stroke-width:1.5;stroke-dasharray:120;stroke-dashoffset:120}
.pane.on .mapgrid path{transition:stroke-dashoffset .5s ease}
.matched-note{font:13px var(--mono);color:#7FD1B9}
.log{font:13px/1.8 var(--mono);color:var(--subtle-dark);display:flex;flex-direction:column}
.log div{opacity:0}
.log .ok{color:#7FD1B9}
.log .k{color:var(--faint-dark)}
.rank{display:flex;flex-direction:column;gap:10px}
.rank div{display:grid;grid-template-columns:110px minmax(0,1fr) 44px;gap:12px;align-items:center;font:13px var(--mono)}
.rank div span:nth-child(2){height:8px;border-radius:4px;background:var(--line-dark);overflow:hidden}
.rank div span:nth-child(2) i{display:block;height:100%;width:0;background:var(--burst);transition:width .9s cubic-bezier(.3,.6,.2,1)}
.rank div b{font-weight:500;text-align:right}
.exports{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.exports span{font:500 12px var(--mono);border:1px solid #3B6470;border-radius:6px;padding:6px 10px;color:var(--subtle-dark)}
.story-steps{display:flex;flex-direction:column}
.stp{min-height:70vh;display:flex;flex-direction:column;justify-content:center;gap:14px;border-top:1px solid var(--line);padding:32px 0;opacity:.38;transition:opacity .4s}
.stp.on{opacity:1}
.stp .n{font:500 13px var(--mono);color:var(--burst-text)}
.stp h3{font:700 clamp(26px,3vw,36px)/1.1 var(--display);font-stretch:112%;letter-spacing:-.02em}
.stp p{color:var(--muted);font-size:18px;max-width:440px}
@media (max-width:900px){
  .story{grid-template-columns:1fr;gap:0}
  .stage{top:calc(env(safe-area-inset-top,0px) + 8px);height:340px;z-index:2}
  .stp{min-height:60vh}
  .pane{padding:18px;gap:12px}
}

/* The model chain: LoF + CoF -> risk -> works planner -> composite */
.chain{--c-card:#fff;--c-bd:#CAD4D3;--c-tx:#0E2830;--c-mu:#475B61;--c-fa:#7F969C;--c-ln:#9FB1B0;--c-flow:#F06A3A;--c-soft:#EDF1F0;position:relative}
.chain-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);grid-template-rows:auto auto;column-gap:56px;row-gap:20px;align-items:center}
.chain-node{background:var(--c-card);border:1px solid var(--c-bd);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px;color:var(--c-tx);transition:border-color .3s,box-shadow .3s;min-width:0}
.chain-node.lit{border-color:var(--c-flow);box-shadow:0 0 0 3px rgba(240,106,58,.18)}
.chain-node .k{font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--c-fa);display:flex;justify-content:space-between;gap:8px}
.chain-node h3{font:700 19px/1.15 var(--display);font-stretch:112%;letter-spacing:-.01em;margin:0;color:var(--c-tx)}
.chain-node p{margin:0;font-size:14px;line-height:1.5;color:var(--c-mu)}
.chain-node .io{font:12px/1.5 var(--mono);color:var(--c-fa);border-top:1px solid var(--c-bd);padding-top:8px}
.chain-node .io b{color:var(--c-tx);font-weight:500}
.n-lof{grid-column:1;grid-row:1}.n-cof{grid-column:1;grid-row:2}
.n-risk{grid-column:2;grid-row:1/3}.n-plan{grid-column:3;grid-row:1/3}.n-comp{grid-column:4;grid-row:1/3}
.chain-wires{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:visible}
.chain-wires path{fill:none;stroke:var(--c-ln);stroke-width:1.5}
.chain-wires path.flow{stroke:var(--c-flow);stroke-dasharray:3 9;opacity:.85;animation:chainflow 1.1s linear infinite}
.chain-wires circle{fill:var(--c-flow)}
@keyframes chainflow{to{stroke-dashoffset:-12}}
.chain.idle .chain-wires path.flow,.chain.idle .matrix i.hot{animation-play-state:paused}
.mini{height:64px;border-radius:8px;background:var(--c-soft);position:relative;overflow:hidden;color:var(--c-tx)}
.mini svg{width:100%;height:100%}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:12px;padding:3px 8px;border-radius:999px;border:1px solid var(--c-bd);color:var(--c-mu)}
.matrix{max-width:280px;width:100%;display:grid;grid-template-columns:repeat(4,1fr);gap:3px;padding:6px;background:var(--c-soft);border-radius:8px}
.matrix i{aspect-ratio:1.6;border-radius:3px;opacity:.9}
.matrix i.hot{outline:2px solid var(--c-tx);outline-offset:1px;animation:hot 2.4s ease-in-out infinite}
@keyframes hot{50%{outline-color:transparent}}
.scen{display:flex;flex-direction:column;gap:6px;padding:8px 10px;background:var(--c-soft);border-radius:8px;font:12px var(--mono);color:var(--c-mu)}
.scen div{white-space:nowrap;display:grid;grid-template-columns:44px minmax(0,1fr) 52px;gap:8px;align-items:center}
.scen span.bar{height:6px;border-radius:3px;background:var(--c-bd);overflow:hidden}
.scen span.bar i{display:block;height:100%;background:var(--c-tx);border-radius:3px}
.scen div.on{color:var(--c-tx)}
.scen div.on span.bar i{background:var(--c-flow)}
.w34{width:34%}.w62{width:62%}.w86{width:86%}
.lanes{padding:8px 10px;background:var(--c-soft);border-radius:8px;display:flex;flex-direction:column;gap:7px;position:relative;font:11px var(--mono);color:var(--c-mu)}
.lane{display:grid;grid-template-columns:62px minmax(0,1fr);gap:8px;align-items:center}
.lane .track{position:relative;height:8px;border-radius:4px;background:rgba(202,212,211,.6)}
.lane .track i{position:absolute;top:0;height:100%;width:16%;border-radius:4px;background:var(--c-tx);transition:left .9s cubic-bezier(.3,.6,.2,1)}
.l14{left:14%}.l34{left:34%}.l70{left:70%}.l80{left:80%}
.trench{position:absolute;top:4px;bottom:4px;left:calc(80px + (100% - 90px) * .52);width:calc((100% - 90px) * .16);border:1.5px dashed var(--c-flow);border-radius:6px;opacity:0;transition:opacity .5s}
.lanes.merged .trench{opacity:1}
.chain-foot{margin-top:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;font-size:14px;color:var(--c-mu)}
.rpeq{display:inline-flex;align-items:center;gap:10px;color:var(--c-tx);font-size:14px}
.rpeq svg{flex:none}
@media (max-width:900px){
  .chain-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:none;column-gap:16px;row-gap:44px}
  .n-lof{grid-column:1;grid-row:1}.n-cof{grid-column:2;grid-row:1}
  .n-risk,.n-plan,.n-comp{grid-column:1/-1;grid-row:auto}
  .n-risk{grid-row:2}.n-plan{grid-row:3}.n-comp{grid-row:4}
}
@media (max-width:520px){.chain-node{padding:14px}.chain-node h3{font-size:17px}}

/* Built by engineers: the run's title block and four principles, each with a working demo */
.eng{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:start}
.eng figure{margin:0}
.tb{border:1.5px solid var(--ink);border-radius:4px;background:var(--surface);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative;overflow:hidden}
.tb > div{border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px;min-width:0}
.tb > div.r{border-right:0}.tb > div.b{border-bottom:0}
.tb .s2{grid-column:span 2}.tb .s3{grid-column:span 3}
.tb .l{font:500 10.5px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tb .v{font:500 14px/1.4 var(--mono);color:var(--ink);overflow-wrap:anywhere}
.tb .v.big{font:700 22px/1.15 var(--display);font-stretch:112%;letter-spacing:-.01em}
.tb .ok{color:var(--accent)}
.tb .sig{font:600 16px/1.3 var(--sans);color:var(--ink)}
.tb .stampcell{align-items:center;justify-content:center}
.stamp{font:700 15px/1 var(--mono);letter-spacing:.14em;color:var(--accent);border:2px solid var(--accent);border-radius:6px;padding:8px 10px;transform:rotate(-7deg);display:inline-block;text-align:center}
.stamp small{display:block;font:500 9.5px/1.3 var(--mono);letter-spacing:.08em;margin-top:4px}
.tb.pre .stamp{opacity:0;transform:rotate(-7deg) scale(1.6)}
.tb.go .stamp{transition:opacity .25s ease .9s,transform .45s cubic-bezier(.2,1.6,.4,1) .9s}
.tb .tick{display:inline-block;transition:opacity .3s}
.tb.pre .tick{opacity:0}
.tb-cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--muted)}
.prin{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.prin article{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.prin h3{font:700 20px/1.2 var(--display);font-stretch:112%;margin:0 0 4px}
.prin p{color:var(--muted);font-size:15px}
.pdemo{font:12px/1.6 var(--mono);color:var(--muted);background:var(--ground);border-radius:8px;padding:10px;min-height:64px;display:flex;flex-direction:column;justify-content:center;gap:4px}
.pdemo.pad{padding-bottom:22px}
.pdemo b{font-weight:500;color:var(--ink)}
.pdemo .m{color:var(--accent)}
.bt{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;align-items:end;height:52px}
.bt div{display:flex;gap:3px;align-items:end;height:100%;position:relative}
.bt i{flex:1;border-radius:2px 2px 0 0;height:0;transition:height .8s cubic-bezier(.3,.6,.2,1)}
.bt i.p{background:var(--line)}.bt i.o{background:var(--ink)}
.bt span{position:absolute;bottom:-17px;left:0;right:0;text-align:center;font-size:10px}
.fx{display:grid;grid-template-columns:52px minmax(0,1fr);gap:4px 6px;align-items:center;font-size:11px}
.fx span.bar{height:6px;border-radius:3px;background:var(--line-soft);overflow:hidden}
.fx span.bar i{display:block;height:100%;width:0;background:var(--burst);transition:width .8s cubic-bezier(.3,.6,.2,1)}
.pin{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--ink);border-radius:999px;padding:2px 8px;color:var(--ink);align-self:flex-start}
@media (max-width:980px){.eng{grid-template-columns:1fr;gap:40px}}
@media (max-width:560px){.tb{grid-template-columns:1fr}.tb .s2,.tb .s3{grid-column:auto}.tb > div{border-right:0;border-bottom:1px solid var(--ink)}.tb > div:last-child{border-bottom:0}.tb .stampcell{align-items:flex-start;padding:14px 12px}.prin article{grid-template-columns:1fr}.pdemo{max-width:240px}}

/* Security: the route your data takes */
.route{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px}
.route-scroll{overflow-x:auto}
.route svg{width:100%;height:auto;min-width:640px}
.route text{font-family:var(--sans);font-size:14px;fill:var(--ink)}
.route .sub{font-family:var(--mono);font-size:11px;fill:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:32px;border-top:1px solid var(--line)}
.fact{padding:20px 24px 20px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.fact + .fact{padding-left:24px;border-left:1px solid var(--line)}
.fact:nth-child(3n+1){padding-left:0;border-left:0}
.fact p{color:var(--muted);font-size:15px}
.route-link{display:inline-block;margin-top:24px;font-weight:600}
@media (max-width:860px){.facts{grid-template-columns:1fr}.fact,.fact + .fact{padding-left:0;border-left:0}}

/* Pricing and the demo request keep site.css's tiers and form, on the light ground */
.home #pricing{padding:clamp(72px,10vw,140px) 0}
.home #demo{padding:0 var(--gutter) clamp(72px,10vw,140px)}

@media (prefers-reduced-motion:reduce){
  .home *,.home *::before,.home *::after{animation:none!important;transition:none!important}
  .rows div,.log div{opacity:1!important}
  .pane.on .prog i{width:100%}
  .tb.pre .stamp,.tb.pre .tick{opacity:1;transform:rotate(-7deg)}
}