/* GridPulse — shared amber/SCADA theme for /live and the /data SEO pages.
   The bespoke landing (index.html) keeps its own inline styles; everything
   else pulls from here so the look stays consistent in one place. */
:root{
  --bg:#0b0a08; --bg2:#100d0a; --panel:#15110c; --panel2:#1b1610;
  --line:#2c261e; --line2:#3a3327;
  --ink:#f3ede1; --muted:#9c9181; --faint:#6c6354;
  --amber:#ffb02e; --amber-2:#ff8a00; --glow:rgba(255,176,46,.45);
  --pos:#7bd88f; --neg:#ff6048;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --sans:'IBM Plex Sans',system-ui,sans-serif;
  --display:'Archivo',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink); font-family:var(--sans);
  font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(255,176,46,.10), transparent 60%),
    radial-gradient(700px 400px at 5% 0%, rgba(255,138,0,.06), transparent 55%);
  overflow-x:hidden;
}
body::after{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:9; opacity:.5;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.18) 2px 3px);
  mix-blend-mode:multiply;
}
.wrap{max-width:1120px; margin:0 auto; padding:0 28px}
.narrow{max-width:820px}
a{color:inherit}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes ping{0%{r:3; opacity:.7}100%{r:16; opacity:0}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes rv{to{opacity:1; transform:none}}
.rv{opacity:0; transform:translateY(14px); animation:rv .7s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.13s}.d3{animation-delay:.22s}.d4{animation-delay:.33s}

/* ticker */
.ticker{border-bottom:1px solid var(--line); background:var(--bg2); overflow:hidden; position:relative; z-index:2}
.ticker::before,.ticker::after{content:""; position:absolute; top:0; bottom:0; width:60px; z-index:3}
.ticker::before{left:0; background:linear-gradient(90deg,var(--bg2),transparent)}
.ticker::after{right:0; background:linear-gradient(270deg,var(--bg2),transparent)}
.ticker-track{display:inline-flex; gap:42px; padding:10px 0; white-space:nowrap; animation:marquee 40s linear infinite; font-family:var(--mono); font-size:13px}
.ticker:hover .ticker-track{animation-play-state:paused}
.tk{display:inline-flex; align-items:baseline; gap:9px}
.tk b{color:var(--faint); font-weight:500; letter-spacing:.05em}
.tk span{color:var(--ink); font-weight:600}
.tk i{color:var(--muted); font-style:normal; font-size:11px}

/* nav */
nav{display:flex; align-items:center; justify-content:space-between; padding:22px 0; position:relative; z-index:2}
.brand{font-family:var(--display); font-weight:900; font-size:21px; letter-spacing:-.02em; display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink)}
.brand .dot{width:9px; height:9px; border-radius:50%; background:var(--amber); box-shadow:0 0 12px var(--glow); animation:pulse 2s ease-in-out infinite}
.brand i{color:var(--amber); font-style:normal}
.navlinks{font-family:var(--mono); font-size:13px; display:flex; align-items:center}
.navlinks a{color:var(--muted); text-decoration:none; margin-left:24px}
.navlinks a:hover{color:var(--amber)}
.navlinks a.navbtn{color:var(--ink); border:1px solid var(--line2); border-radius:8px; padding:8px 15px}
.navlinks a.navbtn:hover{border-color:var(--amber); color:var(--amber)}

/* eyebrow / kicker / headings */
.eyebrow{font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--amber); margin:0 0 18px; display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.eyebrow::before{content:""; width:26px; height:1px; background:var(--amber); display:inline-block}
.eyebrow a{color:var(--muted); text-decoration:none}
.eyebrow a:hover{color:var(--amber)}
h1.page{font-family:var(--display); font-weight:900; font-size:clamp(32px,4.6vw,52px); line-height:1.0; letter-spacing:-.03em; margin:0 0 18px}
h1.page .hl{color:var(--amber); text-shadow:0 0 30px var(--glow)}
.lede{font-size:18px; color:var(--muted); max-width:60ch; margin:0 0 26px}
.lede b{color:var(--ink); font-weight:500}
.kicker{font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--faint); margin:0 0 22px; display:flex; align-items:center; gap:12px}
.kicker .n{color:var(--amber)}

/* buttons */
.cta{display:flex; gap:12px; flex-wrap:wrap}
.btn{font-family:var(--mono); font-size:14px; font-weight:600; text-decoration:none; padding:13px 20px; border-radius:9px; display:inline-flex; align-items:center; gap:9px; transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, color .15s ease}
.btn.primary{background:var(--amber); color:#1a1206; box-shadow:0 0 0 1px var(--amber), 0 8px 30px -8px var(--glow)}
.btn.primary:hover{transform:translateY(-2px); box-shadow:0 0 0 1px var(--amber), 0 14px 34px -8px var(--glow)}
.btn.ghost{color:var(--ink); border:1px solid var(--line2); background:rgba(255,255,255,.01)}
.btn.ghost:hover{border-color:var(--amber); color:var(--amber)}

/* sections */
section.band{border-top:1px solid var(--line); padding:48px 0}
section.band:first-of-type{border-top:0}

/* stat tiles */
.stats{display:grid; grid-template-columns:repeat(6,1fr); gap:12px}
.stat{border:1px solid var(--line); border-radius:12px; background:var(--panel); padding:16px 16px 14px; position:relative; overflow:hidden}
.stat .lbl{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--faint); display:flex; align-items:center; gap:7px}
.stat .lbl .d{width:6px; height:6px; border-radius:50%; background:var(--amber); box-shadow:0 0 8px var(--glow); animation:pulse 1.8s infinite}
.stat .v{font-family:var(--mono); font-weight:600; font-size:25px; color:var(--ink); margin-top:9px; letter-spacing:-.01em}
.stat .u{font-family:var(--mono); font-size:11px; color:var(--muted); margin-top:2px}

/* scope / chart (live sample) */
.scope{border:1px solid var(--line2); border-radius:14px; background:linear-gradient(180deg,var(--panel),var(--bg2)); padding:16px; position:relative; box-shadow:0 30px 60px -30px #000, inset 0 0 0 1px rgba(255,176,46,.04)}
.scope-head{display:flex; align-items:center; justify-content:space-between; font-family:var(--mono); font-size:12px; color:var(--muted); padding:2px 6px 12px}
.scope-head .live{display:flex; align-items:center; gap:7px; color:var(--amber)}
.scope-head .live .d{width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 10px var(--glow); animation:pulse 1.6s infinite}
.scope-body{position:relative; border-radius:9px; overflow:hidden; background:
    linear-gradient(rgba(255,176,46,.05) 1px, transparent 1px) 0 0/100% 25%,
    linear-gradient(90deg, rgba(255,176,46,.05) 1px, transparent 1px) 0 0/8.5% 100%,
    var(--bg)}
svg.chart{display:block; width:100%; height:auto}
.chart .line{fill:none; stroke:var(--amber); stroke-width:2.2; stroke-linejoin:round; stroke-linecap:round; filter:drop-shadow(0 0 6px var(--glow))}
.chart .line.alt{stroke:var(--pos); filter:drop-shadow(0 0 6px rgba(123,216,143,.4))}
.chart .line.draw{stroke-dasharray:1; stroke-dashoffset:1; animation:draw 1.7s cubic-bezier(.6,.02,.2,1) forwards}
.chart .end{fill:var(--amber); filter:drop-shadow(0 0 8px var(--amber))}
.chart .endpulse{fill:none; stroke:var(--amber); opacity:.6; animation:ping 1.8s ease-out infinite}
.chart .axis{fill:var(--faint); font-family:var(--mono); font-size:11px}
.scope-foot{display:flex; align-items:flex-end; justify-content:space-between; padding:14px 6px 4px}
.reading .big{font-family:var(--mono); font-weight:600; font-size:28px; color:var(--ink); letter-spacing:-.01em}
.reading .lbl{font-family:var(--mono); font-size:11px; color:var(--faint); letter-spacing:.08em; text-transform:uppercase}
.scope-foot .meta{font-family:var(--mono); font-size:11px; color:var(--muted); text-align:right}
.charts{display:grid; grid-template-columns:1fr 1fr; gap:16px}

/* terminal / code */
.term{border:1px solid var(--line2); border-radius:12px; overflow:hidden; background:var(--panel); box-shadow:0 24px 50px -28px #000}
.term-bar{display:flex; align-items:center; gap:8px; padding:11px 14px; border-bottom:1px solid var(--line); background:var(--bg2)}
.term-bar .b{width:11px; height:11px; border-radius:50%; background:var(--line2)}
.term-bar .t{font-family:var(--mono); font-size:12px; color:var(--faint); margin-left:8px}
pre.code{margin:0; padding:20px 22px; font-family:var(--mono); font-size:13.5px; line-height:1.85; color:var(--ink); overflow-x:auto}
.code .p{color:var(--amber)}
.code .c{color:var(--faint)}
.code .s{color:var(--pos)}

/* prose (SEO article body) */
.prose{max-width:70ch}
.prose h2{font-family:var(--display); font-weight:800; font-size:24px; letter-spacing:-.01em; margin:34px 0 12px}
.prose h3{font-family:var(--display); font-weight:700; font-size:18px; margin:24px 0 8px}
.prose p{color:var(--muted); margin:0 0 14px}
.prose strong{color:var(--ink); font-weight:600}
.prose ul{list-style:none; padding:0; margin:0 0 16px; font-size:15px; color:var(--muted)}
.prose li{padding:7px 0 7px 22px; position:relative; border-top:1px solid var(--line)}
.prose li:first-child{border-top:0}
.prose li::before{content:"›"; color:var(--amber); position:absolute; left:2px}
.prose code{font-family:var(--mono); font-size:.92em; color:var(--amber); background:var(--panel); border:1px solid var(--line); border-radius:5px; padding:1px 6px}

/* coverage chips */
.isos{display:flex; flex-wrap:wrap; gap:10px}
.iso{font-family:var(--mono); font-size:13px; color:var(--muted); border:1px solid var(--line2); border-radius:8px; padding:9px 15px; display:inline-flex; align-items:center; gap:9px; background:var(--panel); text-decoration:none}
.iso:hover{border-color:var(--amber); color:var(--ink)}
.iso.on{color:var(--ink); border-color:var(--amber)}
.iso.on::before{content:""; width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 10px var(--glow); animation:pulse 1.8s infinite}
.iso i{color:var(--amber); font-style:normal; font-size:10px; letter-spacing:.08em; text-transform:uppercase}

/* callout */
.callout{border:1px solid var(--line2); border-left:3px solid var(--amber); border-radius:10px; background:var(--panel); padding:18px 20px; font-size:14.5px; color:var(--muted)}
.callout b{color:var(--ink)}

/* related links */
.related{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.rel{border:1px solid var(--line); border-radius:11px; background:var(--panel); padding:16px; text-decoration:none; display:block; transition:border-color .15s ease, transform .15s ease}
.rel:hover{border-color:var(--amber); transform:translateY(-3px)}
.rel .k{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--faint)}
.rel .t{font-family:var(--display); font-weight:700; font-size:15px; margin-top:6px; color:var(--ink)}

/* CTA band */
.ctaband{border:1px solid var(--amber); border-radius:14px; background:linear-gradient(180deg,var(--panel2),var(--panel)); box-shadow:0 0 0 1px var(--amber), 0 30px 60px -34px var(--glow); padding:30px; display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap}
.ctaband h3{font-family:var(--display); font-weight:800; font-size:23px; margin:0 0 6px}
.ctaband p{margin:0; color:var(--muted); font-size:14.5px}

/* footer */
.foot{border-top:1px solid var(--line); padding:34px 0 60px; color:var(--faint); font-family:var(--mono); font-size:12.5px; display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap}
.foot a{color:var(--muted); text-decoration:none}
.foot a:hover{color:var(--amber)}
.foot .links a{margin-left:18px}

/* timeframe / segmented tabs (shared by live dashboard + SEO pages) */
.gp-tabs{display:inline-flex; gap:4px; font-family:var(--mono); font-size:11px}
.gp-tab{cursor:pointer; border:1px solid var(--line2); background:transparent; color:var(--muted); border-radius:7px; padding:5px 10px; letter-spacing:.06em; transition:color .15s, background .15s, border-color .15s}
.gp-tab:hover{color:var(--ink); border-color:var(--faint)}
.gp-tab.on{color:#1a1206; background:var(--amber); border-color:var(--amber)}

/* uPlot — sit charts on a plain panel and theme to the amber SCADA look */
.scope-body.plain{background:var(--bg)}
.scope-body .uplot{width:100%}
.uplot{font-family:var(--mono)}
.u-cursor-x,.u-cursor-y{border-color:rgba(255,176,46,.45) !important}
.u-cursor-pt{border-color:var(--amber) !important}
.u-select{background:rgba(255,176,46,.10)}

/* hover tooltip (value at cursor) for uPlot charts */
.u-tip{position:absolute; z-index:10; pointer-events:none; display:none; background:rgba(16,13,10,.97); border:1px solid var(--amber); border-radius:8px; padding:7px 9px; font-family:var(--mono); font-size:11px; line-height:1.55; color:var(--ink); white-space:nowrap; box-shadow:0 8px 22px -8px #000}
.u-tip-t{color:var(--faint); margin-bottom:3px}
.u-tip-r{display:flex; align-items:center; gap:6px}
.u-tip-r i{width:8px; height:8px; border-radius:2px; display:inline-block; flex:0 0 auto}
.u-tip-r b{margin-left:auto; padding-left:14px; color:var(--ink); font-weight:600}

/* chart legends (fuel mix + ISO compare) */
.legend{display:flex; flex-wrap:wrap; gap:6px 14px; font-family:var(--mono); font-size:11px; color:var(--muted); justify-content:flex-end; max-width:62%}
.legend .lg{display:inline-flex; align-items:center; gap:6px}
.legend .lg i{width:9px; height:9px; border-radius:2px; display:inline-block; flex:0 0 auto}
.legend .lg b{color:var(--ink); font-weight:600}
#cmp_legend .lg{cursor:pointer}
#cmp_legend .lg:not(.on){opacity:.4}

@media(max-width:880px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .charts{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .foot .links a{margin-left:0; margin-right:18px}
  .legend{max-width:100%; justify-content:flex-start}
}
@media(max-width:520px){ .stats{grid-template-columns:repeat(2,1fr)} }