@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("/fonts/newsreader-latin-opsz-normal.woff2") format("woff2-variations"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }

/* White, ink and three colours: A (the enzyme changed), B (its partner), the shared cofactor. */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --raised: #ffffff;
  --wash: #f6f7f9;
  --text: #0d1117;
  --muted: #4b5563;
  --faint: #6b7280;
  --line: rgba(13, 17, 23, 0.09);
  --line-hi: rgba(13, 17, 23, 0.2);
  --ink: #0d1117;
  --on-ink: #ffffff;
  --a: #e8590c;
  --b: #0f766e;
  --r: #4338ca;
  --ok: #067647;
  --bad: #b42318;
  --shadow: 0 1px 2px rgba(13, 17, 23, 0.04), 0 12px 32px -12px rgba(13, 17, 23, 0.12);
  --font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --gutter: clamp(16px, 5vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); color: var(--text); -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1.0625rem/1.65 var(--font-body); font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.018em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.7rem, 5.8vw, 4.7rem); line-height: 1.02; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); line-height: 1.1; }
h3 { font-size: 1.25rem; line-height: 1.3; }
p, ol, ul, dl, dd, figure { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--a); outline-offset: 3px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.wrap { max-width: 1200px; margin-inline: auto; padding-left: max(var(--gutter), env(safe-area-inset-left, 0px)); padding-right: max(var(--gutter), env(safe-area-inset-right, 0px)); }
.skip { position: absolute; inset-inline-start: -999px; top: 8px; }
.skip:focus { inset-inline-start: 16px; z-index: 30; background: var(--bg); padding: 8px 12px; border-radius: 8px; box-shadow: var(--shadow); }

.top { position: sticky; top: 0; z-index: 20; padding-top: env(safe-area-inset-top, 0px); background: rgba(255, 255, 255, 0.86); -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 28px; min-height: 66px; }
.mark { font-family: var(--font-display); font-weight: 500; font-size: 1.6rem; letter-spacing: -0.01em; text-decoration: none; }
.mark span { color: var(--a); }
.top nav { display: flex; gap: 26px; margin-inline-start: auto; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.top nav a:hover, .top nav a[aria-current] { color: var(--text); }
@media (max-width: 860px) { .top nav { display: none; } .top .btn { margin-inline-start: auto; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 24px; border-radius: 999px; background: var(--ink); color: var(--on-ink); border: 1px solid var(--ink); font: 500 0.98rem/1 var(--font-body); text-decoration: none; cursor: pointer; transition: transform 160ms ease, box-shadow 160ms ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -10px rgba(13, 17, 23, 0.5); }
.btn.quiet { background: transparent; color: var(--text); border-color: var(--line-hi); min-height: 40px; padding: 0 18px; }
.btn.quiet:hover { border-color: var(--text); box-shadow: none; }
.lk { text-decoration: underline; text-decoration-color: var(--line-hi); text-underline-offset: 5px; text-decoration-thickness: 1px; }
.lk:hover { text-decoration-color: var(--a); }

/* Hero */
.hero { padding-block: clamp(36px, 6vw, 88px) clamp(48px, 7vw, 96px); }
.hero-in { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: clamp(28px, 4.5vw, 64px); align-items: center; }
@media (max-width: 980px) { .hero-in { grid-template-columns: minmax(0, 1fr); } }
.stack { display: grid; gap: 22px; }
.lede { font-size: clamp(1.1rem, 1.45vw, 1.24rem); line-height: 1.55; color: var(--muted); max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 4px; }

.viz { display: grid; min-width: 0; border: 1px solid var(--line); border-radius: 22px; background: var(--raised); box-shadow: var(--shadow); overflow: hidden; }
.stage { position: relative; height: clamp(260px, 30vw, 380px); background-color: var(--wash); background-image: radial-gradient(circle, rgba(13, 17, 23, 0.09) 1px, transparent 1.3px); background-size: 22px 22px; border-bottom: 1px solid var(--line); }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.legend { position: absolute; inset-inline-start: 16px; inset-block-start: 14px; display: flex; flex-wrap: wrap; gap: 6px 14px; font: 400 0.78rem/1.3 var(--font-mono); color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend span::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; }
.legend .a { color: var(--a); } .legend .b { color: var(--b); } .legend .r { color: var(--r); }
.legend span > em { font-style: normal; color: var(--muted); }
.viz-panel { display: grid; gap: 14px; padding: clamp(16px, 2.4vw, 24px); }
.viz-q { font-size: 0.98rem; line-height: 1.45; }
.viz-panel .seg { justify-self: start; }
.gauges { display: grid; gap: 10px; }
.gauge { display: grid; grid-template-columns: minmax(0, 9.5rem) minmax(0, 1fr) 3.6rem; align-items: center; gap: 12px; font-size: 0.9rem; }
.gauge .gv { text-align: end; font-family: var(--font-mono); font-size: 0.92rem; }
.track { position: relative; height: 10px; border-radius: 999px; background: var(--wash); box-shadow: inset 0 0 0 1px var(--line); }
.track i { position: absolute; inset-block: 0; inset-inline-start: 0; width: calc(var(--v, 0.5) * 100%); border-radius: 999px; transition: width 900ms cubic-bezier(0.2, 0.7, 0.2, 1), background-color 300ms ease; }
.track b { position: absolute; inset-block: -5px; inset-inline-start: calc(0.8 / 1.3 * 100%); width: 2px; background: var(--text); border-radius: 1px; }
.gauge.a i { background: var(--a); }
.gauge.b i { background: var(--b); }
.gauge.b.low i { background: var(--bad); }
.gauge.b.low .gv { color: var(--bad); font-weight: 600; }
@media (max-width: 480px) { .gauge { grid-template-columns: minmax(0, 1fr) 3.4rem; } .gauge .track { grid-column: 1 / -1; grid-row: 2; } }
@media (prefers-reduced-motion: reduce) { .track i { transition: none; } }

.card { display: grid; gap: 16px; min-width: 0; padding: clamp(18px, 2.6vw, 28px); border: 1px solid var(--line); border-radius: 20px; background: var(--raised); box-shadow: var(--shadow); }
.fields { display: grid; grid-template-columns: 6.6rem minmax(0, 1fr); gap: 10px 16px; }
.fields dt { font: 400 0.8rem/1.6 var(--font-mono); color: var(--faint); }
.fields dd { font-size: 0.98rem; line-height: 1.5; min-width: 0; }
@media (max-width: 480px) { .fields { grid-template-columns: minmax(0, 1fr); gap: 2px; } .fields dd { margin-bottom: 10px; } }
.tbl { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 10px; border-bottom: 1px solid var(--line); text-align: end; white-space: nowrap; }
th:first-child, td:first-child { text-align: start; padding-inline-start: 0; white-space: normal; }
thead th { font-weight: 500; font-size: 0.82rem; color: var(--muted); }
td.low { color: var(--bad); font-weight: 600; }
td.low::after { content: " \25BE"; }
td.up { color: var(--ok); font-weight: 600; }
.verdict { font-weight: 600; line-height: 1.4; }
.verdict.bad { color: var(--bad); }
.verdict.ok { color: var(--ok); }
.note { font-size: 0.84rem; color: var(--faint); }

.sec { padding-block: clamp(60px, 8vw, 112px); border-top: 1px solid var(--line); }
.sec.wash { background: var(--wash); }
.head { display: grid; gap: 14px; max-width: 46rem; margin-bottom: clamp(28px, 4vw, 52px); }
.head p { color: var(--muted); font-size: 1.08rem; }
.split { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(24px, 5vw, 80px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }
.prose { display: grid; gap: 16px; max-width: 40rem; color: var(--muted); }
.prose strong { color: var(--text); font-weight: 500; }

.list { list-style: none; padding: 0; counter-reset: li; border-top: 1px solid var(--line); }
.list li { counter-increment: li; display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 12px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.list li::before { content: counter(li, decimal-leading-zero); font: 400 0.85rem/1.9 var(--font-mono); color: var(--a); }
.offer { margin-top: 22px; }

.path { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; counter-reset: p; }
@media (max-width: 900px) { .path { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .path { grid-template-columns: minmax(0, 1fr); } }
.path li { counter-increment: p; position: relative; display: grid; gap: 8px; align-content: start; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--raised); box-shadow: var(--shadow); min-width: 0; }
.path li::before { content: counter(p, decimal-leading-zero); font: 400 0.85rem/1 var(--font-mono); color: var(--a); }
.path h3 { font: 600 1rem/1.3 var(--font-body); }
.path p { color: var(--muted); font-size: 0.95rem; }

details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding-block: 12px; font-weight: 500; list-style: none; display: flex; align-items: center; gap: 10px; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; font-family: var(--font-mono); color: var(--a); width: 1ch; }
details[open] summary::before { content: "\2212"; }
details > :not(summary) { padding-bottom: 14px; color: var(--muted); font-size: 0.95rem; }
.more { margin-top: 22px; }

.cases { display: grid; border-top: 1px solid var(--line); }
.case-row { display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: 8px 36px; padding-block: 28px; border-bottom: 1px solid var(--line); }
@media (max-width: 720px) { .case-row { grid-template-columns: minmax(0, 1fr); } }
.case-row .big { font-family: var(--font-display); font-size: clamp(2.1rem, 3.8vw, 2.9rem); line-height: 1; letter-spacing: -0.02em; }
.case-row .body { display: grid; gap: 10px; min-width: 0; }
.case-row p { color: var(--muted); }
.case-row details { border: 0; }
.case-row summary { padding-block: 4px; font-size: 0.92rem; color: var(--text); }
.case-row details > :not(summary) { padding-top: 6px; padding-bottom: 0; }
.refs { display: grid; gap: 14px; margin-top: clamp(30px, 4vw, 48px); max-width: 46rem; color: var(--muted); }
.refs strong { color: var(--text); font-weight: 500; }

.goals { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .goals { grid-template-columns: minmax(0, 1fr); } }
.goals li { display: grid; gap: 8px; align-content: start; padding-top: 18px; border-top: 2px solid var(--line-hi); }
.goals li:nth-child(1) { border-top-color: var(--a); }
.goals li:nth-child(2) { border-top-color: var(--b); }
.goals li:nth-child(3) { border-top-color: var(--r); }
.goals h3 { font: 600 1rem/1.3 var(--font-body); }
.goals p { color: var(--muted); font-size: 0.97rem; }

.who .name { font-family: var(--font-display); font-size: 1.7rem; line-height: 1.2; }

.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 48rem; }
@media (max-width: 640px) { .form { grid-template-columns: minmax(0, 1fr); } }
.form label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); min-width: 0; }
.form .wide { grid-column: 1 / -1; }
.form input, .form textarea { width: 100%; font: 400 1rem/1.4 var(--font-body); color: var(--text); background: var(--bg); border: 1px solid var(--line-hi); border-radius: 12px; padding: 12px 13px; }
.form textarea { min-height: 104px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--a); outline-offset: 1px; }
.form .row { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.addr { font-family: var(--font-mono); font-size: 0.95rem; color: var(--muted); -webkit-user-select: all; user-select: all; }

.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-hi); border-radius: 999px; padding: 3px; gap: 3px; background: var(--bg); }
.seg button { min-height: 36px; padding: 0 16px; border-radius: 999px; border: 0; background: transparent; color: var(--muted); font: 500 0.92rem/1 var(--font-body); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--on-ink); }
.ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.ctl > span { font-size: 0.9rem; color: var(--muted); }
.gain { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.gain .v { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.1; }
.gain .d { color: var(--ok); font-weight: 600; }
.case { padding-block: clamp(40px, 6vw, 80px); }
.case + .case { border-top: 1px solid var(--line); }
.case .stack { max-width: 48rem; }

.foot { border-top: 1px solid var(--line); padding-block: 30px calc(30px + env(safe-area-inset-bottom, 0px)); color: var(--faint); font-size: 0.88rem; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }