:root{color-scheme:dark}

        :root {
            --bg: #030303;
            --surface: #0a0a0a;
            --text: #e2e8f0;
            --secondary: #8f9ba8;
            --accent: #00ff94;
            --accent-dim: rgba(0, 255, 148, 0.1);
            --border: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 255, 255, 0.1);
            --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; scroll-padding-top: 72px; }
        body {
            background: var(--bg); color: var(--text);
            font-family: var(--font-sans); font-weight: 300; line-height: 1.75;
            overflow-x: hidden; -webkit-font-smoothing: antialiased;
        }
        ::selection { background: var(--accent); color: #000; }
        a { color: inherit; text-decoration: none; }
        .mono { font-family: var(--font-mono); }
        .skip-link { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--accent); color: #000; padding: 10px 18px; font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
        .skip-link:focus { left: 0; }
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

        .page { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; padding: 60px 24px 40px; }
        .breadcrumb { font-family: var(--font-mono); font-size: 11px; color: var(--secondary); letter-spacing: 0.08em; margin-bottom: 34px; }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .here { color: #fff; }
        .breadcrumb .sep { margin: 0 8px; color: rgba(0,255,148,0.5); }

        .kicker {
            display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px;
            padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(0,255,148,0.2);
            background: var(--accent-dim); color: var(--accent);
            font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
        }
        h1 { font-size: clamp(2.6rem, 8vw, 4.4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.04; color: #fff; margin-bottom: 20px; }
        .byline { font-family: var(--font-mono); font-size: 13px; color: var(--secondary); letter-spacing: 0.04em; margin-bottom: 30px; }
        .byline a { color: var(--accent); border-bottom: 1px solid rgba(0,255,148,0.3); }
        .lede { font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--text); line-height: 1.5; margin-bottom: 34px; }
        .lede strong { color: #fff; font-weight: 600; }

        .definition {
            border: 1px solid var(--border-strong); border-left: 3px solid var(--accent);
            border-radius: 0 12px 12px 0; background: linear-gradient(to right, rgba(0,255,148,0.05), transparent);
            padding: 24px 28px; margin: 0 0 40px;
        }
        .definition .term { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
        .definition p { color: var(--text); font-size: 1.08rem; margin: 0; }
        .definition strong { color: #fff; font-weight: 600; }

        section { margin-bottom: 8px; }
        h2 { font-size: clamp(1.5rem, 3.6vw, 2rem); font-weight: 700; letter-spacing: -0.02em; color: #fff; margin: 56px 0 8px; scroll-margin-top: 72px; }
        .sector { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
        .sector .status { color: var(--secondary); }
        p { color: var(--secondary); margin-bottom: 18px; font-size: 1.04rem; }
        p strong { color: var(--text); font-weight: 600; }
        p em { color: #fff; font-style: normal; font-weight: 400; }

        blockquote {
            margin: 30px 0; padding: 22px 28px; border-left: 2px solid var(--accent);
            background: linear-gradient(to right, rgba(0,255,148,0.05), transparent);
            border-radius: 0 10px 10px 0; font-size: 1.25rem; color: #fff; font-weight: 400; line-height: 1.5;
        }
        blockquote .q2 { display: block; margin-top: 10px; color: var(--accent); }

        .divider { display: flex; align-items: center; gap: 16px; margin: 60px 0 8px; }
        .divider .line { flex: 1; height: 1px; background: var(--border); }
        .divider .label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.25em; color: rgba(143,155,168,0.5); }

        .faq { margin-top: 12px; }
        .faq details { border-bottom: 1px solid var(--border); padding: 4px 0; }
        .faq summary { list-style: none; cursor: pointer; padding: 20px 0; font-size: 1.1rem; font-weight: 400; color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
        .faq summary::-webkit-details-marker { display: none; }
        .faq summary .plus { font-family: var(--font-mono); color: var(--accent); flex: none; transition: transform .25s; }
        .faq details[open] summary .plus { transform: rotate(45deg); }
        .faq details p { color: var(--secondary); padding: 0 0 22px; font-size: 1.02rem; margin: 0; }

        .author {
            display: flex; gap: 18px; align-items: flex-start; margin: 56px 0 0;
            padding: 26px; border: 1px solid var(--border-strong); border-radius: 14px; background: var(--surface);
        }
        .author .avatar { width: 54px; height: 54px; flex: none; border-radius: 50%; object-fit: cover; border: 1px solid rgba(0,255,148,0.3); display: block; }
        .author .name { color: #fff; font-weight: 600; font-size: 1.05rem; }
        .author .role { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent); margin: 4px 0 10px; }
        .author .bio { color: var(--secondary); font-size: 0.96rem; margin: 0; }
        .author .bio a { color: var(--text); border-bottom: 1px solid rgba(255,255,255,0.2); }

        .cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 40px 0 0; }
        .btn { font-family: var(--font-mono); font-size: 13px; padding: 12px 22px; border-radius: 8px; border: 1px solid var(--border-strong); color: var(--text); transition: all .25s; }
        .btn:hover { border-color: var(--accent); color: var(--accent); }
        .btn-primary { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }
        .btn-primary:hover { background: #00e086; color: #000; }

        .site-footer { border-top: 1px solid var(--border); margin-top: 70px; padding: 40px 24px; text-align: center; }
        .site-footer .links { display: flex; flex-wrap: wrap; justify-content: center; gap: 22px; font-family: var(--font-mono); font-size: 12px; color: var(--secondary); margin-bottom: 18px; }
        .site-footer .links a:hover { color: var(--accent); }
        .site-footer .copy { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--secondary); }
    
        .cite-box{margin-top:56px;border:1px solid var(--border);border-radius:14px;padding:26px 28px;background:rgba(255,255,255,.02)}
        .cite-box .cb-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--accent);margin-bottom:14px}
        .cite-box pre{font-family:var(--font-mono);font-size:13px;line-height:1.6;color:var(--secondary);white-space:pre-wrap;word-break:break-word;margin:0 0 16px}
        .cite-box button{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;padding:9px 18px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--accent);cursor:pointer}
        .cite-box button:hover{border-color:var(--accent)}
    

:root{--line:var(--border-strong);--surface2:#101010;--warn:#ffb02e;--danger:#ff5d5d}
.card h2{font-size:1.05rem;font-weight:600;letter-spacing:.02em;color:#fff;margin:0 0 4px}
.lede b{color:#fff;font-weight:600}
.tool-api-note{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:.72rem;color:var(--secondary);letter-spacing:.02em}
.tool-api-note a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,255,148,.45)}
.tool-related{margin-top:24px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.tool-related .tr-label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;color:var(--accent);margin-bottom:10px}
.tool-related .tr-links{display:flex;flex-wrap:wrap;gap:9px 18px}
.tool-related a{font-family:var(--font-mono);font-size:.74rem;color:var(--text);border-bottom:1px solid rgba(0,255,148,.3)}
.tool-related a:hover{color:var(--accent)}

.lede b{color:var(--text);font-weight: 400}
.hint{font-size:.82rem;color:var(--secondary);margin-bottom:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 22px 18px;margin-bottom:18px}
.sliderline{display:grid;grid-template-columns:1fr 130px;gap:16px;align-items:center;margin:2px 0 14px}
.slabel{font-family:var(--font-mono);font-size:.78rem;color:var(--text);margin-top:6px}
.slabel small{color:var(--secondary);font-weight:300;display:block;font-family:var(--font-sans);font-size:.76rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--accent) var(--fill,50%),#1c2128 var(--fill,50%));cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 0 12px rgba(0,255,148,.35)}
.sliderval{font-family:var(--font-mono);font-size:.88rem;color:var(--accent);text-align:right;white-space:nowrap}
select,input[type=number]{background:var(--surface2);border:1px solid var(--line);color:var(--text);font-family:var(--font-mono);font-size:.78rem;border-radius:8px;padding:8px 10px}
input[type=number]{width:96px;text-align:right}
.inline{display:flex;gap:14px;flex-wrap:wrap;align-items:center;font-family:var(--font-mono);font-size:.76rem;color:var(--secondary)}
.inline label{display:flex;gap:8px;align-items:center}
.result{background:linear-gradient(180deg,rgba(0,255,148,.05),transparent 55%),var(--surface);border:1px solid rgba(0,255,148,.22);border-radius:16px;padding:28px 26px 22px;margin:26px 0 18px}
.label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--secondary)}
.bignum{font-family:var(--font-mono);font-size:clamp(2.1rem,7vw,3.2rem);font-weight:700;letter-spacing:-.03em;color:var(--accent);line-height:1.15;margin:4px 0 6px}
.bignum.warn{color:var(--warn)}.bignum.danger{color:var(--danger)}
.sub2{font-size:.9rem;color:var(--secondary);margin-bottom:14px}
.bars{margin-top:8px}
.bar{display:grid;grid-template-columns:150px 1fr 110px;gap:12px;align-items:center;margin:8px 0;font-family:var(--font-mono);font-size:.73rem}
.bar .n{color:var(--secondary)}
.track{height:10px;border-radius:5px;background:#151a20;overflow:hidden}
.fill{height:100%;border-radius:5px;background:var(--accent);transition:width .3s}
.bar.bad .fill{background:var(--danger)}
.bar.mid .fill{background:var(--warn)}
.bar .v{text-align:right;color:var(--text)}
.minis{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.mini{background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.mini .val{font-family:var(--font-mono);font-size:1.15rem;font-weight:600;color:#fff;margin-top:2px}
.recs{margin-top:4px}
.rec{display:flex;gap:10px;font-size:.88rem;color:var(--secondary);padding:7px 0;border-top:1px solid var(--line)}
.rec:first-child{border-top:0}
.rec::before{content:'>';color:var(--accent);flex:none}
.rec b{color:var(--text);font-weight: 400}
.rec b.good{color:var(--accent)}.rec b.warn{color:var(--warn)}.rec b.bad{color:var(--danger)}
.footer{margin-top:42px;padding-top:20px;border-top:1px solid var(--line);font-size:.85rem;color:var(--secondary)}
.footer a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,255,148,.45)}
@media(max-width:640px){.bar{grid-template-columns:96px 1fr 92px}.minis{grid-template-columns:1fr}}

/* stable digits: dynamic numbers must not change width while a slider moves */
.sliderval,.bignum,.sub2,.formula,.bar .v,.bar b,.cbar .v,.wrow .v,.mini .val,.secs,input[type=number]{font-variant-numeric:tabular-nums}
/* typography: balanced headings, orphan-free copy */
h1,h2,h3{text-wrap:balance}
@supports not (-webkit-touch-callout: none){
p,.lede{text-wrap:pretty}
}
/* selection + caret in brand accent (embeds have no site partials, so this
   lives here too) */
::selection{background:var(--accent);color:#030303}
input,select,textarea{caret-color:var(--accent)}
/* section anchors: brief accent underline on arrival (mirrors the blog) */
@keyframes tool-target-flash{0%{text-decoration-color:var(--accent)}100%{text-decoration-color:transparent}}
h2[id]:target{text-decoration-line:underline;text-decoration-thickness:2px;text-underline-offset:8px;text-decoration-color:transparent;animation:tool-target-flash .6s ease-out}
@media(prefers-reduced-motion:reduce){h2[id]:target{text-decoration-color:var(--accent)}}
/* breathing glow on the main-result card (the [data-odo] KPI container).
   Only pseudo-element opacity animates - compositor-friendly, no layout or
   paint work on the card itself. Reduced motion: the kill-switch in FIX_CSS
   stops the animation and the static mid-cycle shadow below remains. */
.result{position:relative}
.result::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;box-shadow:0 0 30px var(--accent-dim);opacity:.55}
@keyframes result-breathe{0%,100%{opacity:.15}50%{opacity:.95}}
.result:has([data-odo])::after{animation:result-breathe 4.5s ease-in-out infinite}
/* higher-contrast preference: lift muted text, strengthen borders, drop the
   translucent text colors */
@media(prefers-contrast:more){
:root{--secondary:#c2cbd6;--border:rgba(255,255,255,.16);--border-strong:rgba(255,255,255,.28)}
.divider .label{color:var(--secondary)}
.site-footer .copy{color:var(--secondary)}
.breadcrumb .sep{color:var(--accent)}
.bar .n,.wrow .n,.cbar .n{color:var(--secondary)}
}


/* readable measure for descriptive copy */
.page p,.page .lede{max-width:70ch}
/* editable price rows (.bar with inputs): stack on small screens instead of
   squeezing into the 96px/1fr/92px result-bar grid */
@media(max-width:640px){
.bar:has(.inline){grid-template-columns:minmax(0,1fr);gap:6px 0;margin:14px 0}
.bar:has(.inline)>*{min-width:0}
.bar:has(.inline)>div:empty{display:none}
.bar:has(.inline) .inline{display:flex;flex-wrap:nowrap;gap:10px;width:100%}
.bar:has(.inline) .inline input[type=number]{flex:1 1 60px;width:auto;min-width:0}
}
/* 16px form controls on small screens  -  anything smaller makes iOS Safari
   zoom the page on focus */
@media(max-width:820px){select,input[type=number],input[type=text]{font-size:16px!important}}
/* touch screens: 26px slider thumb + taller transparent hit area */
@media(hover:none) and (pointer:coarse){
input[type=range]{height:26px;padding:11px 0;background-clip:content-box}
input[type=range]::-webkit-slider-thumb{width:26px;height:26px}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
}
/* motion kill-switch */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}