:root {
  --paper: #f7f4ed;
  --paper-deep: #eee8dc;
  --ink: #132238;
  --ink-soft: #405069;
  --ink-faint: #6d7888;
  --blue: #1a5fb4;
  --blue-deep: #0f477f;
  --green: #136f63;
  --coral: #c84b31;
  --yellow: #f2c14e;
  --line: rgba(19, 34, 56, 0.2);
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --content: 72rem;
  --gutter: clamp(1.1rem, 4vw, 3.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
::selection { background: var(--yellow); color: var(--ink); }

.site-header,
.site-footer {
  max-width: var(--content);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.site-header { border-bottom: 1px solid var(--ink); }
.wordmark { text-decoration: none; font-family: var(--serif); line-height: 0.9; font-size: 1.05rem; }
.wordmark span, .wordmark strong { display: block; }
.wordmark strong { color: var(--blue); font-style: italic; font-weight: 500; }
.site-header nav, .site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.site-header nav a, .site-footer nav a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.site-header nav a:hover, .site-header nav a:focus-visible,
.site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--blue); border-color: currentColor; }

main { padding: 0 var(--gutter); }
main > section { max-width: var(--content); margin: 0 auto; }
.hero {
  min-height: 44rem;
  padding: clamp(4rem, 9vw, 7.5rem) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(19rem, 0.65fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
  border-bottom: 1px solid var(--ink);
}
.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin-top: 0; }
.hero h1 {
  max-width: 13ch;
  margin-bottom: 1.75rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 7.2vw, 6.6rem);
  font-weight: 450;
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.hero h1 em { display: block; color: var(--blue); font-weight: 350; }
.hero__lede { max-width: 46rem; color: var(--ink-soft); font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
.hero__actions { margin-top: 2rem; display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.4rem; }
.microcopy { max-width: 48ch; margin-top: 1.4rem; color: var(--ink-faint); font-family: var(--mono); font-size: 0.7rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.3rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease, color 150ms ease;
}
.button--primary { background: var(--ink); color: white; box-shadow: 4px 4px 0 var(--yellow); }
.button--primary:hover, .button--primary:focus-visible { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--yellow); }
.button--secondary { background: var(--blue); border-color: var(--blue); color: white; box-shadow: 4px 4px 0 var(--ink); }
.button--quiet { border: 0; border-bottom: 1px solid var(--ink); padding-inline: 0; }

.audit-ticket {
  position: relative;
  background: white;
  border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 var(--paper-deep);
}
.audit-ticket::before, .audit-ticket::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 50%;
  transform: translateX(-50%);
}
.audit-ticket::before { top: -0.58rem; }
.audit-ticket::after { bottom: -0.58rem; }
.audit-ticket__top, .audit-ticket__price, .audit-ticket dl, .audit-ticket__stamp { padding: 1rem 1.25rem; }
.audit-ticket__top { display: flex; justify-content: space-between; background: var(--ink); color: white; font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; }
.audit-ticket__price { border-bottom: 1px dashed var(--ink); }
.audit-ticket__price span { display: block; color: var(--ink-faint); font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; }
.audit-ticket__price strong { display: block; margin-top: 0.25rem; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1; }
.audit-ticket dl { margin: 0; }
.audit-ticket dl div { display: grid; grid-template-columns: 5rem 1fr; gap: 0.8rem; padding: 0.65rem 0; border-bottom: 1px solid var(--line); }
.audit-ticket dt { color: var(--ink-faint); font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; }
.audit-ticket dd { margin: 0; font-size: 0.88rem; }
.audit-ticket__stamp { color: var(--green); font-family: var(--mono); font-size: 0.7rem; font-weight: 500; text-align: center; text-transform: uppercase; border-top: 1px dashed var(--ink); }

.section { padding: clamp(4.5rem, 8vw, 7.5rem) 0; border-bottom: 1px solid var(--ink); }
.section__heading { max-width: 45rem; margin-bottom: 3rem; }
.section__heading h2, .tool-callout h2, .evidence h2, .operator h2, .closing h2 {
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 450;
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.section__heading > p:last-child, .tool-callout p, .evidence p, .operator p, .closing p { color: var(--ink-soft); }
.deliverables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.deliverables article { padding: 1.5rem; border: 1px solid var(--line); background: white; }
.deliverables__mark { color: var(--coral); font-family: var(--mono); font-size: 0.72rem; }
.deliverables h3 { margin: 2rem 0 0.75rem; font-family: var(--serif); font-size: 1.5rem; }
.deliverables p { color: var(--ink-soft); font-size: 0.95rem; }

.tool-callout { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; background: var(--yellow); padding-inline: clamp(1.5rem, 4vw, 3rem); }
.tool-callout h2 { max-width: 20ch; }
.tool-callout p:last-child { max-width: 55ch; }
.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.process li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; }
.process li > span { display: grid; width: 2.5rem; height: 2.5rem; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-family: var(--mono); }
.process h3 { margin-bottom: 0.45rem; font-family: var(--serif); font-size: 1.35rem; }
.process p { margin-top: 0; color: var(--ink-soft); font-size: 0.95rem; }

.evidence { display: grid; grid-template-columns: minmax(11rem, 0.4fr) 1fr; gap: 3rem; align-items: center; }
.evidence__number { color: var(--blue); font-family: var(--serif); font-size: clamp(7rem, 18vw, 13rem); font-weight: 350; line-height: 0.75; letter-spacing: -0.06em; }
.evidence p:last-child { max-width: 58ch; }
.boundaries__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.boundaries__grid > div { background: var(--paper); padding: clamp(1.5rem, 4vw, 3rem); }
.boundaries__grid h3 { font-family: var(--serif); font-size: 1.7rem; }
.boundaries__grid ul { margin: 0; padding-left: 1.2rem; }
.boundaries__grid li + li { margin-top: 0.75rem; }
.boundaries__grid > div:last-child h3 { color: var(--coral); }

.operator { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; padding: 0; background: var(--ink); }
.operator > div { background: var(--paper); padding: clamp(2.5rem, 6vw, 5rem); }
.operator__action { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.operator__action .button { margin-top: 1.2rem; }
.faq details { border-top: 1px solid var(--ink); padding: 1.3rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--ink); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; font-family: var(--serif); font-size: 1.25rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-family: var(--mono); }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 60ch; color: var(--ink-soft); }
.closing { padding: clamp(5rem, 10vw, 9rem) 0; text-align: center; }
.closing h2 { font-size: clamp(3rem, 8vw, 7rem); }
.closing p { max-width: 50ch; margin: 0 auto 2rem; }

.site-footer { border-top: 1px solid var(--ink); padding-block: 2rem 6rem; }
.site-footer > div { display: flex; flex-direction: column; }
.site-footer strong { font-family: var(--serif); font-size: 1.15rem; }
.site-footer span { color: var(--ink-faint); font-family: var(--mono); font-size: 0.65rem; }
.sticky-cta { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 20; padding: 0.8rem 1rem; background: var(--ink); color: white; border: 1px solid white; box-shadow: 4px 4px 0 var(--yellow); font-family: var(--mono); font-size: 0.72rem; text-decoration: none; text-transform: uppercase; }
.sticky-cta span { color: var(--yellow); }

/* Unmul health check */
.breadcrumbs { max-width: var(--content); margin: 1.3rem auto 0; font-family: var(--mono); font-size: 0.68rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--ink-faint); }
.article-hero { padding: clamp(4rem, 8vw, 7rem) 0 3.5rem; border-bottom: 1px solid var(--ink); }
.article-hero h1 { max-width: 16ch; margin-bottom: 1.4rem; font-family: var(--serif); font-size: clamp(3rem, 7vw, 6rem); font-weight: 450; line-height: 0.96; letter-spacing: -0.035em; }
.article-hero__lede { max-width: 55ch; color: var(--ink-soft); font-size: 1.15rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 0.7rem 1.5rem; margin-top: 2rem; color: var(--ink-faint); font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; }
.source-note { margin-top: 2rem; padding: 1rem 1.2rem; border-left: 4px solid var(--blue); background: white; color: var(--ink-soft); font-size: 0.9rem; }
.source-note a { color: var(--blue-deep); }
.health-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.38fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.health-form { counter-reset: check; }
.health-form fieldset { margin: 0; padding: 1.5rem 0; border: 0; border-top: 1px solid var(--ink); }
.health-form fieldset:last-of-type { border-bottom: 1px solid var(--ink); }
.health-form legend { width: 100%; margin-bottom: 1rem; padding: 0; font-family: var(--serif); font-size: 1.25rem; font-weight: 500; }
.health-form legend::before { counter-increment: check; content: counter(check, decimal-leading-zero) " "; color: var(--coral); font-family: var(--mono); font-size: 0.7rem; vertical-align: 0.2em; }
.health-form fieldset > p { margin: -0.5rem 0 1rem; color: var(--ink-soft); font-size: 0.9rem; }
.answer-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.answer-row label { position: relative; }
.answer-row input { position: absolute; opacity: 0; pointer-events: none; }
.answer-row span { display: inline-flex; padding: 0.55rem 0.8rem; border: 1px solid var(--line); background: white; cursor: pointer; font-family: var(--mono); font-size: 0.7rem; }
.answer-row input:focus-visible + span { outline: 3px solid var(--yellow); outline-offset: 2px; }
.answer-row input:checked + span { border-color: var(--ink); background: var(--ink); color: white; }
.score-card { position: sticky; top: 1rem; padding: 1.4rem; border: 1px solid var(--ink); background: white; box-shadow: 8px 8px 0 var(--paper-deep); }
.score-card__value { display: flex; align-items: baseline; gap: 0.25rem; margin: 1rem 0; }
.score-card__value strong { color: var(--blue); font-family: var(--serif); font-size: 5rem; font-weight: 400; line-height: 0.8; }
.score-card__value span { font-family: var(--mono); }
.score-card__progress { height: 0.5rem; background: var(--paper-deep); overflow: hidden; }
.score-card__progress span { display: block; width: 0; height: 100%; background: var(--green); transition: width 180ms ease; }
.score-card__status { min-height: 4.8rem; color: var(--ink-soft); font-size: 0.9rem; }
.score-card__actions { display: grid; gap: 0.7rem; }
.score-card button { width: 100%; cursor: pointer; }
.button[disabled] { cursor: not-allowed; opacity: 0.45; box-shadow: none; transform: none; }
.priority-list { margin: 1rem 0 0; padding-left: 1.2rem; font-size: 0.88rem; }
.priority-list li + li { margin-top: 0.5rem; }
.check-explainer { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.check-explainer article { padding: 1.2rem; background: white; border-left: 3px solid var(--blue); }
.check-explainer h3 { font-family: var(--serif); font-size: 1.25rem; }
.check-explainer p { color: var(--ink-soft); font-size: 0.9rem; }

@media (max-width: 800px) {
  .site-header { align-items: flex-start; }
  .site-header nav { max-width: 15rem; justify-content: flex-end; }
  .hero, .health-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .audit-ticket { max-width: 28rem; }
  .deliverables, .process { grid-template-columns: 1fr; }
  .tool-callout { grid-template-columns: 1fr; align-items: start; }
  .evidence { grid-template-columns: 1fr; }
  .evidence__number { font-size: 8rem; }
  .operator, .boundaries__grid { grid-template-columns: 1fr; }
  .score-card { position: static; }
}
@media (max-width: 540px) {
  body { font-size: 16px; }
  .site-header { flex-direction: column; }
  .site-header nav { justify-content: flex-start; max-width: none; }
  .site-header nav a { font-size: 0.62rem; }
  .hero h1 { font-size: clamp(2.7rem, 15vw, 4.2rem); }
  .hero__actions .button { width: 100%; }
  .check-explainer { grid-template-columns: 1fr; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}
@media print {
  .site-header, .site-footer, .sticky-cta, .score-card__actions, .button { display: none !important; }
  body { background: white; color: black; font-size: 11pt; }
  main { padding: 0; }
  .health-layout { display: block; }
  .score-card { position: static; margin-bottom: 1.5rem; box-shadow: none; break-inside: avoid; }
  .health-form fieldset { break-inside: avoid; }
}

/* --- Content cluster: hub, prose articles, and calculators --- */
.prose { max-width: 44rem; }
.prose h2 { margin-top: 3rem; font-family: var(--serif); font-size: clamp(1.9rem, 3.5vw, 2.6rem); font-weight: 450; letter-spacing: -0.02em; }
.prose h3 { margin-top: 2.2rem; font-family: var(--serif); font-size: 1.35rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li + li { margin-top: 0.5rem; }
.prose a { color: var(--blue-deep); }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.85rem; }
.prose th, .prose td { padding: 0.55rem 0.6rem; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--paper-deep); font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; }
.callout { margin: 2rem 0; padding: 1.1rem 1.3rem; border: 1px solid var(--ink); background: white; box-shadow: 5px 5px 0 var(--paper-deep); }
.callout p:last-child { margin-bottom: 0; }
.callout--warn { border-left: 5px solid var(--coral); }
.callout--ok { border-left: 5px solid var(--green); }

.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.hub-card { display: flex; flex-direction: column; padding: 1.6rem; border: 1px solid var(--ink); background: white; text-decoration: none; box-shadow: 6px 6px 0 var(--paper-deep); transition: transform 140ms ease, box-shadow 140ms ease; }
.hub-card:hover, .hub-card:focus-visible { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--yellow); }
.hub-card__tag { color: var(--coral); font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; }
.hub-card h3 { margin: 1rem 0 0.6rem; font-family: var(--serif); font-size: 1.5rem; }
.hub-card p { margin: 0 0 1rem; color: var(--ink-soft); font-size: 0.92rem; }
.hub-card__meta { margin-top: auto; color: var(--ink-faint); font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; }

.tool { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.42fr); gap: clamp(1.8rem, 4vw, 3.5rem); align-items: start; }
.tool__panel { padding: 1.4rem; border: 1px solid var(--ink); background: white; }
.tool__panel + .tool__panel { margin-top: 1.5rem; }
.tool__panel h3 { margin-top: 0; font-family: var(--serif); font-size: 1.3rem; }
.tool label { display: block; font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; color: var(--ink-faint); }
.tool input[type="number"], .tool input[type="text"], .tool select, .tool textarea {
  width: 100%; margin-top: 0.35rem; padding: 0.5rem 0.6rem; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-family: var(--mono); font-size: 0.85rem;
}
.tool textarea { min-height: 12rem; font-family: var(--mono); font-size: 0.8rem; line-height: 1.6; resize: vertical; }
.tool input:focus-visible, .tool select:focus-visible, .tool textarea:focus-visible { outline: 3px solid var(--yellow); outline-offset: 1px; }
.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 1rem; }
.pair-row { display: grid; grid-template-columns: 1fr 7rem; gap: 1rem; align-items: end; padding: 0.9rem 0; border-top: 1px solid var(--line); }
.pair-row:first-of-type { border-top: 0; }
.pair-row p { margin: 0; font-size: 0.9rem; }
.pair-row small { display: block; margin-top: 0.2rem; color: var(--ink-faint); font-family: var(--mono); font-size: 0.66rem; }
.matrix-wrap { overflow-x: auto; margin: 1.2rem 0; }
.matrix { border-collapse: collapse; width: 100%; min-width: 24rem; font-family: var(--mono); font-size: 0.76rem; }
.matrix th, .matrix td { padding: 0.4rem 0.55rem; border: 1px solid var(--line); text-align: right; white-space: nowrap; }
.matrix th { background: var(--paper-deep); text-align: left; text-transform: uppercase; font-size: 0.64rem; }
.matrix td.is-best { background: rgba(19, 111, 99, 0.12); font-weight: 500; }
.matrix input { width: 5.5rem; padding: 0.3rem 0.4rem; border: 1px solid var(--line); background: var(--paper); font-family: var(--mono); font-size: 0.76rem; text-align: right; }
.readout { padding: 1.3rem; border: 1px solid var(--ink); background: white; box-shadow: 8px 8px 0 var(--paper-deep); }
.readout dl { margin: 1rem 0 0; }
.readout dl div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.readout dt { color: var(--ink-faint); font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; }
.readout dd { margin: 0; font-family: var(--mono); font-size: 0.85rem; }
.readout__verdict { margin: 1rem 0 0; padding: 0.7rem 0.85rem; font-family: var(--mono); font-size: 0.74rem; }
.readout__verdict[data-state="ok"] { background: rgba(19, 111, 99, 0.12); color: var(--green); }
.readout__verdict[data-state="warn"] { background: rgba(200, 75, 49, 0.12); color: var(--coral); }
.readout__verdict[data-state="idle"] { background: var(--paper-deep); color: var(--ink-faint); }
.readout .button { width: 100%; margin-top: 1rem; cursor: pointer; }
.result-list { margin: 1.2rem 0 0; padding: 0; list-style: none; }
.result-list li { padding: 0.9rem 0; border-top: 1px solid var(--line); }
.result-list h4 { margin: 0 0 0.35rem; font-family: var(--serif); font-size: 1.15rem; }
.result-list p { margin: 0.3rem 0; color: var(--ink-soft); font-size: 0.88rem; }
.result-list .tagline { color: var(--coral); font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; }
.result-list blockquote { margin: 0 0 0.6rem; padding-left: 0.8rem; border-left: 3px solid var(--ink); font-style: italic; }
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.related a { display: block; padding: 1.1rem; border: 1px solid var(--line); background: white; text-decoration: none; font-size: 0.92rem; }
.related a:hover, .related a:focus-visible { border-color: var(--ink); box-shadow: 4px 4px 0 var(--yellow); }
.related span { display: block; margin-bottom: 0.4rem; color: var(--ink-faint); font-family: var(--mono); font-size: 0.64rem; text-transform: uppercase; }
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.steps > li { position: relative; padding: 0 0 1.6rem 3rem; }
.steps > li::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-family: var(--mono); font-size: 0.8rem; }
.steps h3 { margin: 0.2rem 0 0.5rem; font-family: var(--serif); font-size: 1.25rem; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 0.93rem; }
.formula { display: block; overflow-x: auto; margin: 1rem 0; padding: 0.9rem 1rem; background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 0.8rem; }

@media (max-width: 900px) {
  .tool { grid-template-columns: 1fr; }
  .readout { position: static; }
}
@media (max-width: 800px) {
  .hub-grid, .related { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .pair-row { grid-template-columns: 1fr; align-items: start; }
}