@font-face{font-family:'Instrument Sans';src:url(/fonts/instrument-sans-latin-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url(/fonts/instrument-sans-latin-500-normal.woff2) format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url(/fonts/instrument-sans-latin-600-normal.woff2) format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url(/fonts/instrument-sans-latin-700-normal.woff2) format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(/fonts/jetbrains-mono-latin-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(/fonts/jetbrains-mono-latin-500-normal.woff2) format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Sans Fallback';src:local('Arial'),local('ArialMT');font-weight:400 500;size-adjust:102.7%;ascent-override:94.45%;descent-override:24.34%;line-gap-override:0%}
@font-face{font-family:'Instrument Sans Fallback';src:local('Arial Bold'),local('Arial-BoldMT');font-weight:600 700;size-adjust:98.44%;ascent-override:98.54%;descent-override:25.4%;line-gap-override:0%}
/* Instrument design system — zacharymcgeary.com */
:root {
  --field: #EDF0F2;
  --surface: #FFFFFF;
  --ink: #1B2026;
  --ink-muted: #4E5862;
  --rule: #C5CDD4;
  --signal: #2446C4;
  --on-signal: #FFFFFF;
  --signal-soft: #DDE3F8;
  --bronze: #8A5A1E;
  --base: #A9B1B8;
  --sans: 'Instrument Sans', 'Instrument Sans Fallback', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1120px;
  --read: 680px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --field: #14181D;
    --surface: #1B2026;
    --ink: #E8ECEF;
    --ink-muted: #A7B0B8;
    --rule: #333B44;
    --signal: #8AA4FF;
    --on-signal: #14181D;
    --signal-soft: #243052;
    --base: #4E5862;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--field); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.6;
  text-rendering: optimizeLegibility; font-kerning: normal; -webkit-font-smoothing: antialiased;
}
@media (min-width: 1024px) { body { font-size: 18px; } }
a { color: var(--signal); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
img, svg { display: block; max-width: 100%; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.num { font-family: var(--mono); font-size: 0.92em; letter-spacing: -0.01em; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); background: var(--field); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--ink-muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { font-weight: 600; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 18px; border-radius: 4px; font-weight: 600; font-size: 15px; text-decoration: none;
  background: var(--signal); color: var(--on-signal); border: 1px solid var(--signal);
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--field); }
.btn.quiet { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn.quiet:hover { border-color: var(--ink); background: transparent; color: var(--ink); }
.nav .btn { color: var(--on-signal); }
.menu-toggle { display: none; }
@media (max-width: 860px) {
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--field);
    flex-direction: column; align-items: flex-start; padding: 16px 24px 24px; border-bottom: 1px solid var(--rule); gap: 14px; }
  .nav.open { display: flex; }
  .menu-toggle { display: inline-flex; align-items: center; background: none; border: 1px solid var(--rule); color: var(--ink);
    border-radius: 4px; min-height: 44px; padding: 0 14px; font: inherit; font-size: 15px; }
}

/* Type */
h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(36px, 4.4vw + 12px, 76px); line-height: 1.03; letter-spacing: -0.028em; }
h2 { font-size: clamp(28px, 1.9vw + 16px, 42px); line-height: 1.1; letter-spacing: -0.024em; }
h3 { font-size: clamp(19px, 0.4vw + 15px, 22px); line-height: 1.25; letter-spacing: -0.012em; }
p { margin: 0; text-wrap: pretty; }
.lead { font-size: clamp(18px, 0.5vw + 14px, 21px); line-height: 1.55; color: var(--ink); max-width: 31em; }
.muted { color: var(--ink-muted); }
.small { font-size: 15px; }
.eyebrow, .step .label {
  font-family: var(--mono); font-size: 13px; font-weight: 500; line-height: 1.4;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--signal);
}
.signal { color: var(--signal); }
.nw { white-space: nowrap; }

/* Sections */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--rule); }
.hero { padding: 56px 0 40px; }
.hero h1 { margin: 20px 0 24px; max-width: 15.5em; }
.hero .lead { margin-bottom: 32px; }
.hero .btn { min-height: 48px; padding: 0 22px; font-size: 16px; }
@media (min-width: 861px) {
  section { padding: 96px 0; }
  .hero { padding: 112px 0 64px; }
  .hero h1 { margin: 24px 0 28px; }
  .hero .lead { margin-bottom: 40px; }
}
.ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.section-head { max-width: var(--read); margin-bottom: 44px; }
.section-head h2 { margin-bottom: 16px; }
.stack > * + * { margin-top: 16px; }
.prose { max-width: var(--read); }
.prose > * + * { margin-top: 18px; }
.prose h2 { margin-top: 48px; }
.prose h3 { margin-top: 32px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0; }
.prose li + li { margin-top: 8px; }

/* Scale motif */
.scale { margin-top: 48px; color: var(--base); }
.scale .needle { fill: var(--signal); }

/* Grids and cards */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.grid-3 { gap: 40px; }
.step { border-top: 1px solid var(--ink); padding-top: 18px; }
.step h3 { margin: 14px 0 10px; }
.card {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.card .meta { font-family: var(--mono); font-size: 13px; letter-spacing: 0.01em; color: var(--ink-muted); white-space: nowrap; }
.card.quiet { background: transparent; border-style: dashed; }
.card p { color: var(--ink-muted); font-size: 16px; line-height: 1.55; }
.card .go { margin-top: auto; padding-top: 8px; font-weight: 600; font-size: 15px; text-decoration: none; }
.card.primary { border-color: var(--signal); box-shadow: inset 0 3px 0 var(--signal); }
.ways { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) { .ways { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .ways { grid-template-columns: 1fr; } }

/* Tables */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 14px 18px; border-bottom: 1px solid var(--rule); }
th { font-size: 14px; font-weight: 600; color: var(--ink-muted); border-bottom-color: var(--ink); }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; white-space: nowrap; }
td strong { display: block; }
td .q { color: var(--ink-muted); }

/* Callouts */
.band { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 32px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 22px 0 28px; font-size: 16px; }
.facts div { display: flex; flex-direction: column; }
.facts .k { font-size: 14px; color: var(--ink-muted); }
.facts .v { font-family: var(--mono); font-size: 16px; }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.split > .stack:last-child { max-width: 36em; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 28px; } }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--rule); position: relative; }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 21px; width: 12px; height: 2px; background: var(--signal); }

/* Forms */
.form { display: flex; flex-wrap: wrap; gap: 10px; max-width: 520px; }
.form label { position: absolute; left: -999px; }
.form input[type=email] {
  flex: 1 1 260px; min-height: 44px; padding: 0 14px; font: inherit; font-size: 16px;
  border: 1px solid var(--rule); border-radius: 4px; background: var(--surface); color: var(--ink);
}
.form input[type=email]:focus { outline: 2px solid var(--signal); outline-offset: 1px; }
.note { font-size: 14px; color: var(--ink-muted); margin-top: 10px; }

/* Closing CTA and footer */
.closing { text-align: left; }
.closing .band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.closing h2 { font-size: clamp(24px, 2.6vw, 30px); }
.site-footer { border-top: 1px solid var(--rule); padding: 36px 0 48px; font-size: 15px; color: var(--ink-muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer a { color: var(--ink-muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }

/* Readiness check and calculator */
.qset { border: 0; margin: 0; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.qset legend { font-weight: 600; font-size: 18px; padding: 0; margin-bottom: 12px; }
.qset .hint { font-size: 15px; color: var(--ink-muted); margin: -6px 0 12px; }
.opts { display: grid; gap: 8px; }
.opt { display: flex; gap: 12px; align-items: flex-start; background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 12px 14px; cursor: pointer; font-size: 16px; }
.opt input { margin-top: 4px; accent-color: var(--signal); width: 18px; height: 18px; flex: none; }
.opt:has(input:checked) { border-color: var(--signal); box-shadow: inset 3px 0 0 var(--signal); }
.result { margin-top: 36px; background: var(--surface); border: 1px solid var(--signal); border-radius: 4px; padding: 28px; scroll-margin-top: 90px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
@media (max-width: 620px) { .fields { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 15px; font-weight: 600; }
.field span.help { font-weight: 400; color: var(--ink-muted); font-size: 14px; }
.field input { min-height: 44px; padding: 0 12px; font: inherit; font-weight: 400; font-family: var(--mono); font-size: 16px; border: 1px solid var(--rule); border-radius: 4px; background: var(--surface); color: var(--ink); }
.field input:focus { outline: 2px solid var(--signal); outline-offset: 1px; }
.card .k { display: block; }
#calc-result { margin-top: 32px; scroll-margin-top: 90px; }

/* Intake capture after the check and calculator */
.intake { margin-top: 24px; background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 28px; }
.intake .check { display: flex; gap: 10px; align-items: center; margin-top: 16px; font-size: 15px; }
.intake .check input { width: 18px; height: 18px; accent-color: var(--signal); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.intake .field input { font-family: inherit; }

/* Briefings */
.figure { margin: 28px 0 0; }
.figure img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 4px; }
.figure figcaption { font-family: var(--mono); font-size: 12.5px; color: var(--ink-muted); margin-top: 10px; }
.prose [id] { scroll-margin-top: 96px; }
.briefing-list { list-style: none; padding: 0 !important; }
.briefing-list a { display: block; padding: 20px 0; border-top: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.briefing-list a:hover strong { color: var(--signal); }
.briefing-list .eyebrow { display: block; margin-bottom: 6px; }
.briefing-list strong { display: block; font-size: 21px; line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; }
.briefing-list .muted { display: block; margin-top: 4px; }
article .band .form { margin-top: 20px; }
.prose > :first-child { margin-top: 0; }
.prose .briefing-list { margin-top: 20px; }

/* Monday exercise */
.monday { background: var(--surface); border-block: 1px solid var(--rule); }
.monday h2 { margin-top: 8px; }
.monday-steps { list-style: none; counter-reset: step; padding-left: 0 !important; margin-top: 28px !important; display: grid; gap: 0; }
.monday-steps li { counter-increment: step; position: relative; padding: 16px 0 16px 52px; border-top: 1px solid var(--rule); margin: 0 !important; }
.monday-steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 19px; font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--signal); }
.monday-steps li.key { background: var(--signal-soft); margin-inline: -16px !important; padding-left: 68px; padding-right: 16px; border-radius: 4px; border-top-color: transparent; }
.monday-steps li.key::before { left: 16px; }
.monday-steps li.key + li { border-top-color: transparent; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.monday .download { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-top: 24px; }
.monday .download .note { margin-top: 0; flex: 1 1 240px; }
.hero h1 .signal { display: block; text-wrap: balance; }

/* Survey benchmark bars */
.sb { display: grid; gap: 8px; margin-top: 14px; }
.sb-row { display: grid; grid-template-columns: minmax(0, 11em) minmax(0, 1fr) 3.2em; gap: 12px; align-items: center; font-size: 15px; }
.sb-l { color: var(--ink-muted); }
.sb-row.me .sb-l { color: var(--ink); }
.sb-bar { height: 12px; background: var(--field); border-radius: 3px; overflow: hidden; }
.sb-bar i { display: block; height: 100%; background: var(--rule); }
.sb-row.me .sb-bar i { background: var(--signal); }
.sb-n { font-family: var(--mono); font-size: 13px; text-align: right; color: var(--ink-muted); }

/* Proof of Work mark */
.pow-mast{display:flex;align-items:center;gap:12px}
.pow-mark{width:32px;height:25px;flex:none}
.pow-mark .t{fill:var(--ink)}.pow-mark .l{fill:var(--base)}.pow-mark .w{fill:var(--signal)}