/* ============================================================
   coocBoard — "The Composing Canvas"
   Post-AGI / human-agency type on a continuous drafting board.
   Strictly monochrome. No classic serif. No italics.
   ============================================================ */

:root {
  --ink:        #0f0f0f;
  --ink-soft:   #2c2c2c;
  --paper:      #fcfcfb;
  --muted:      #6c6c6c;
  --rule:       #e4e4e0;
  --rule-ink:   #161616;
  --marker:     #ececec;   /* dry-erase highlight — grayscale, not a hue */
  --grid:       #dcdcd8;   /* canvas dots on paper */
  --grid-dark:  #262626;   /* canvas dots inside the inverted panel */

  --max:        46rem;     /* board column */
  --max-wide:   66rem;     /* header / footer chrome */
  --lattice:    22px;

  --display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --sans:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 4.75rem;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(circle, var(--grid) 1px, transparent 1px);
  background-size: var(--lattice) var(--lattice);
  background-position: 0 0;
  font-family: var(--sans);
  font-size: clamp(1rem, 0.97rem + 0.18vw, 1.06rem);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
strong {
  font-weight: 600;
  letter-spacing: -0.003em;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--rule-ink);
}

/* ---- emphasis: NO italics. dry-erase marker swipe. ---- */
em {
  font-style: normal;
  background: linear-gradient(transparent 56%, var(--marker) 56%);
  padding: 0 0.12em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
/* lit cell — the strongest inline phrase becomes an activated board cell */
.cell {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.9em;
  background: var(--ink);
  color: var(--paper);
  padding: 0.02em 0.34em;
  border-radius: 2px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.wrap--wide { max-width: var(--max-wide); }

main { padding-block: clamp(1.75rem, 4vw, 3rem); padding-inline: 1.1rem; }

/* ---------- header (canvas toolbar) ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 3.5rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.wordmark::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--ink);
  border-radius: 1px;
}
.wordmark span { color: var(--muted); }

.nav { display: flex; gap: 1.4rem; }
.nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  background: none;
  border: 1px solid var(--rule-ink);
  border-radius: 4px;
  color: var(--ink);
  cursor: pointer;
}
.nav-toggle svg { display: block; }
.nav-toggle .x { display: none; }
.site-head.is-open .nav-toggle .bars { display: none; }
.site-head.is-open .nav-toggle .x { display: block; }

@media (max-width: 660px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 10px 20px rgba(15, 15, 15, 0.07);
    padding: 0.25rem 1.4rem 0.85rem;
  }
  .site-head.is-open .nav { display: flex; }
  .nav a {
    padding: 0.7rem 0.1rem;
    font-size: 0.86rem;
    border-top: 1px solid var(--rule);
  }
}

/* ---------- placed-module panels ---------- */

.hero .wrap,
.section .wrap,
.closing .wrap {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  margin-top: -1px;                 /* butt-join into one continuous assembly */
  padding-block: clamp(2rem, 4.5vw, 3rem);
  padding-inline: clamp(1.4rem, 4vw, 2.5rem);
}
.hero .wrap { margin-top: 0; }

/* corner alignment ticks — only on the two macro panels (hero + stack) */
.hero .wrap::before,
.section--invert .wrap::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 12px; height: 12px;
  border-top: 1.5px solid var(--ink);
  border-left: 1.5px solid var(--ink);
}
.hero .wrap::after,
.section--invert .wrap::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 12px; height: 12px;
  border-bottom: 1.5px solid var(--ink);
  border-right: 1.5px solid var(--ink);
}
.section--invert .wrap::before { border-color: #f4f4f2; }
.section--invert .wrap::after  { border-color: #f4f4f2; }

/* ---------- hero ---------- */

.hero .wrap { padding-block: clamp(2.75rem, 6vw, 4rem); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.34rem 0.7rem;
  margin: 0 0 1.7rem;
}
.status__dot {
  flex: none;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 1px;               /* square cursor-presence node */
  background: var(--ink);
  animation: status-pulse 2.2s ease-in-out infinite;
}
@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.3; transform: scale(0.62); }
}
@media (prefers-reduced-motion: reduce) {
  .status__dot { animation: none; }
}

.hero__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.9rem, 7.5vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
}
.lede {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.18rem, 1.05rem + 0.6vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 2rem;
  max-width: 40rem;
}

.frame {
  list-style: none;
  margin: 0;
  padding: 1.3rem 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 0.7rem;
}
.frame li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.96rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.frame__tag {
  flex: none;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.12rem 0.45rem;
  color: var(--ink);
}
.frame li:last-child .frame__tag {   /* "But" = lit cell */
  background: var(--ink);
  color: var(--paper);
}

/* ---------- generic section ---------- */

.section__label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.1rem;
}
.section__label .num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.1rem 0.42rem;
}
.section__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.6rem, 1.25rem + 1.6vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 1.6rem;
  max-width: 30ch;
}

.prose p { margin: 0 0 1.05rem; max-width: 60ch; }
.prose p:last-child { margin-bottom: 0; }
.muted { color: var(--muted); }

/* ---------- problem cards ---------- */

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.card {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  column-gap: 1rem;
  align-items: start;
}
.card:first-child { border-top: none; padding-top: 0.25rem; }
.card__index {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.08rem 0.4rem;
  margin: 0.2rem 0 0;
}
.card__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--sans);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
.card__body {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  color: var(--ink-soft);
  max-width: 56ch;
}

/* ---------- definition grids (snapped sub-board of cells) ---------- */

.defs {
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.def {
  padding: 1.25rem 1.5rem 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.defs .def:nth-child(odd)  { border-right: 1px solid var(--rule); padding-right: 1.5rem; }
.defs .def:nth-child(even) { padding-left: 1.5rem; }
.def dt {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.12rem 0.45rem;
  margin: 0 0 0.6rem;
}
.def dd { margin: 0; color: var(--ink-soft); font-size: 0.97rem; line-height: 1.5; }

@media (max-width: 640px) {
  .defs { grid-template-columns: 1fr; }
  .defs .def:nth-child(odd) { border-right: none; padding-right: 0; }
  .defs .def:nth-child(even) { padding-left: 0; }
}

/* ---------- inverted panel (dark / zoomed canvas) ---------- */

.section--invert .wrap {
  background-color: #0f0f0f;
  background-image: radial-gradient(circle, var(--grid-dark) 1px, transparent 1px);
  background-size: var(--lattice) var(--lattice);
  border-color: #333;
  color: #f4f4f2;
}
.section--invert .section__label { color: #9a9a9a; }
.section--invert .section__label .num { color: #f4f4f2; border-color: #4a4a4a; }
.section--invert .section__title { color: #f4f4f2; }
.section--invert .prose p { color: #cfcfcf; }
.section--invert .prose strong { color: #f4f4f2; text-decoration-color: #f4f4f2; }
.section--invert em { background: linear-gradient(transparent 56%, rgba(244,244,242,0.16) 56%); }
.section--invert .cell { background: var(--paper); color: var(--ink); }

/* ---------- the compute -> outcome node graph ---------- */

.stack {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.5rem;
  margin: 0.7rem 0 2.4rem;
}
.stack::before {                 /* the connector wire */
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: #3a3a3a;
  z-index: 0;
}
.stack > * { position: relative; z-index: 1; }
.chip {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  padding: 0.4rem 0.7rem;
  border: 1px solid #4a4a4a;
  border-radius: 2px;
  white-space: nowrap;
  color: #f4f4f2;
  background: #0f0f0f;          /* masks the wire behind each node */
}
.chip--key {                     /* the resolved hub */
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
  font-weight: 500;
  box-shadow: 0 0 0 3px #2a2a2a;
}
.chip--out {                     /* the target node */
  border-color: var(--paper);
  border-width: 1.5px;
  font-weight: 500;
}
.op { font-family: var(--mono); font-size: 0.85rem; color: #8c8c8c; background: #0f0f0f; padding: 0 0.1rem; }

@media (max-width: 600px) {
  .stack { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .stack::before { left: 0.6rem; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
}

.defs--invert { border-top-color: #333; }
.defs--invert .def { border-bottom-color: #333; }
.defs--invert .def:nth-child(odd) { border-right-color: #333; }
.defs--invert .def dt { color: #f4f4f2; border-color: #4a4a4a; }
.defs--invert .def dd { color: #cfcfcf; }

/* ---------- how-it-works features ---------- */

.feature { padding: 1.5rem 0; border-top: 1px solid var(--rule); }
.feature:first-of-type { border-top: none; padding-top: 0.5rem; }
.feature__title {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.55rem;
}
.feature__body { margin: 0; color: var(--ink-soft); max-width: 60ch; }
.reasons { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.6rem; max-width: 60ch; }
.reasons li { color: var(--ink-soft); font-size: 0.96rem; }
.reasons__k {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.1rem 0.42rem;
  margin-right: 0.6rem;
}

/* ---------- arc steps ---------- */

.steps { list-style: none; counter-reset: step; margin: 0.5rem 0 1.5rem; padding: 0; display: grid; gap: 0; }
.step {
  counter-increment: step;
  padding: 1.4rem 0 1.4rem 3.4rem;
  border-top: 1px solid var(--rule);
  position: relative;
}
.step:first-child { border-top: none; }
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.1rem 0.4rem;
}
.step__k { font-family: var(--sans); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; margin: 0 0 0.4rem; }
.step__body { margin: 0; color: var(--ink-soft); max-width: 58ch; }

/* ---------- bullets ---------- */

.bullets { margin: 0.2rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.75rem; max-width: 60ch; }
.bullets li { color: var(--ink-soft); padding-left: 1.1rem; position: relative; }
.bullets li::before { content: "—"; position: absolute; left: 0; color: var(--muted); }

/* ---------- research note (pinned reference, dog-eared) ---------- */

.note {
  position: relative;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule-ink);
}
.note::after {                   /* folded corner */
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 0; height: 0;
  border-top: 16px solid var(--rule-ink);
  border-left: 16px solid transparent;
}
.note__label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.85rem;
}
.note p { margin: 0 0 0.85rem; color: var(--ink-soft); max-width: 64ch; }
.note p:last-child { margin-bottom: 0; }
.note a { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }

/* ---------- closing (board at rest) ---------- */

.closing .wrap { padding-block: clamp(3rem, 7vw, 4.5rem); text-align: center; }
.closing__mark { margin: 0 0 1.6rem; color: var(--ink); }
.closing__line {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.05rem + 0.8vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.005em;
  margin: 0 auto;
  max-width: 36rem;
  color: var(--ink);
}

/* ---------- footer (canvas status bar) ---------- */

.site-foot { border-top: 1px solid var(--rule); background: var(--paper); }
.site-foot__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  min-height: 2.75rem;
  padding-block: 0.8rem;
}
.site-foot__copy {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0;
}
.site-foot__links { list-style: none; display: flex; gap: 1.25rem; margin: 0; padding: 0; }
.site-foot__links a { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); text-decoration: none; }
.site-foot__links a:hover { color: var(--ink); }

/* ---------- evidence / references ---------- */

.refs { margin: 0.5rem 0 0; display: grid; gap: 0; }
.ref-group { padding: 1.5rem 0; border-top: 1px solid var(--rule); }
.ref-group:first-child { border-top: none; padding-top: 0.5rem; }
.ref-group__label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.ref-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.15rem; }
.ref { display: grid; gap: 0.3rem; }
.ref__src { margin: 0; font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.ref__src a {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--rule-ink);
}
.ref__src a:hover { text-decoration-color: var(--ink); }
.ref__meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.ref__note { margin: 0.1rem 0 0; color: var(--ink-soft); font-size: 0.94rem; line-height: 1.5; max-width: 66ch; }

/* ---------- blog / post ---------- */

.post .wrap {
  position: relative;
  max-width: 44rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  margin-block: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(1.9rem, 5vw, 3.5rem);
}
.post__kicker {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
.post__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 1.5rem + 2.4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.post__dek {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.28rem);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}
.post__meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.post__body > p,
.post__body > ul li {
  font-size: clamp(1rem, 0.98rem + 0.15vw, 1.075rem);
  line-height: 1.7;
  color: var(--ink-soft);
}
.post__body > p { margin: 0 0 1.15rem; }
.post__body > h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 2.5rem 0 0.9rem;
}
.post__body strong { color: var(--ink); font-weight: 600; text-decoration: none; }
.post__body ul { margin: 0 0 1.15rem; padding-left: 1.15rem; }
.post__body ul li { margin-bottom: 0.55rem; }
.post__body blockquote {
  margin: 1.7rem 0;
  padding: 0.1rem 0 0.1rem 1.2rem;
  border-left: 2px solid var(--ink);
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.18rem, 1.05rem + 0.6vw, 1.5rem);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.post__note {
  margin: 2.2rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 60ch;
}
.post__back {
  display: inline-block;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
}
.post__back:hover { color: var(--ink); }

/* ---------- questions ---------- */

.starter {
  position: relative;
  margin: 0 0 2.5rem;
  padding: 1.4rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule-ink);
}
.starter__label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.95rem;
}
.starter ol { margin: 0; padding-left: 1.4rem; display: grid; gap: 0.6rem; }
.starter li { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.5; }
.starter li strong { color: var(--ink); font-weight: 600; }

.qset { margin: 0 0 0.5rem; }
.q { padding: 1.25rem 0; border-top: 1px solid var(--rule); }
.qset .q:first-child { border-top: none; padding-top: 0.4rem; }
.q__text {
  position: relative;
  padding-left: 2.6rem;
  margin: 0 0 0.5rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1rem, 0.98rem + 0.15vw, 1.08rem);
  line-height: 1.55;
  color: var(--ink);
}
.q__n {
  position: absolute;
  left: 0;
  top: 0.18rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink);
  border: 1px solid var(--rule-ink);
  border-radius: 2px;
  padding: 0.1rem 0.4rem;
}
.q__why {
  margin: 0 0 0 2.6rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
  max-width: 62ch;
}
.q__answer {
  margin: 0.75rem 0 0 2.6rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--ink);
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.65;
}