@font-face{font-family:'Newsreader';font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/newsreader-latin-opsz-normal.6e4f2958c3.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:200 800;font-display:swap;src:url(/assets/fonts/newsreader-latin-wght-italic.48bc8861b9.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Atkinson Hyperlegible Next';font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/atkinson-hyperlegible-next-latin-wght-normal.18b2a1a39a.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Atkinson Hyperlegible Mono';font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/atkinson-hyperlegible-mono-latin-wght-normal.2706b1ee4f.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/*
 * OutFigure public site.
 * Paper and night, one signal color. The signal marks what a learner showed on
 * their own; help is drawn with a stripe pattern and always carries a label, so
 * color is never the only cue. No scripts: every interaction is CSS.
 * @font-face rules are prepended at build time with hashed font URLs.
 */

:root {
  color-scheme: light dark;

  --paper: #f4f0e6;
  --paper-raised: #fbf8f1;
  --paper-sunken: #ebe5d8;
  --ink: #15130f;
  --ink-2: #47423a;
  --ink-3: #635d54;
  --rule: #d9d1c1;
  --rule-strong: #aaa190;

  --night: #16140f;
  --night-raised: #221f19;
  --night-rule: #3b362d;
  --night-ink: #f3ede1;
  --night-ink-2: #cbc3b4;
  --night-ink-3: #a39b8e;

  --signal: #d8461f;
  --signal-ink: #b03818;
  --signal-bright: #ff8058;
  --signal-wash: #f6ddd1;
  --good: #1f6a45;

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .1 0 0 0 0 .1 0 0 0 0 .09 0 0 0 .045 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");

  --font-display: 'Newsreader', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --font-ui: 'Atkinson Hyperlegible Next', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Atkinson Hyperlegible Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  --page: 78rem;
  --measure: 40rem;
  --gutter: clamp(1.1rem, 4.5vw, 3rem);
  --radius: 10px;
  --focus: 0 0 0 3px var(--paper), 0 0 0 5px var(--signal-ink);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12110e;
    --paper-raised: #1b1915;
    --paper-sunken: #0c0b09;
    --ink: #eee8dc;
    --ink-2: #cdc5b6;
    --ink-3: #aaa294;
    --rule: #332f28;
    --rule-strong: #5b5448;

    --night: #1d1a15;
    --night-raised: #27241e;
    --night-rule: #413c33;

    --signal: #ff6a3d;
    --signal-ink: #ff8c66;
    --signal-bright: #ff8c66;
    --signal-wash: #34201a;
    --good: #7fd1a4;

    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .93 0 0 0 0 .9 0 0 0 0 .85 0 0 0 .03 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background-color: var(--paper);
  background-image: var(--grain);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 450;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p,
ul,
ol,
dl,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: var(--signal-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-thickness: 2px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 3px;
}

main:focus {
  outline: none;
  box-shadow: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 20;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.lede {
  max-width: 46ch;
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink-2);
}

/* ---------- Buttons, links, tags, stamps ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  padding: 0.65rem 1.25rem;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 160ms var(--ease),
    background-color 160ms var(--ease);
}

.button:hover {
  transform: translateY(-1px);
}

.button--small {
  min-height: 2.3rem;
  padding: 0.4rem 1rem;
  font-size: 0.9375rem;
}

.button,
.button--signal {
  background: var(--signal-ink);
  color: var(--paper);
}

.button--ghost {
  background: transparent;
  border-color: var(--night-ink-2);
  color: var(--night-ink);
}

.button--ghost-ink {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.button--light {
  background: var(--paper-raised);
  color: var(--ink);
}

.button--outline-light {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}

.text-link {
  font-weight: 700;
}

.text-link--arrow::after {
  content: ' →';
}

.tag {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.stamp {
  display: inline-block;
  padding: 0.08rem 0.5rem;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1.6;
}

.stamp--built,
.stamp--supported,
.stamp--observed {
  color: var(--ink);
}

.stamp--planned,
.stamp--insufficient,
.stamp--missing {
  color: var(--ink-3);
  border-style: dashed;
}

.stamp--limited {
  color: var(--signal-ink);
  border-style: dotted;
}

.stamp--unsupported {
  color: var(--ink-3);
}

/* ---------- Masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
}

.masthead__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.25rem;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}

.nav {
  margin-left: auto;
}

.nav ul {
  display: flex;
  gap: 0.25rem 1.35rem;
}

.nav a {
  display: inline-block;
  padding-block: 0.35rem;
  color: var(--ink-2);
  font-size: 0.9688rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav a:hover {
  color: var(--ink);
}

.nav a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--signal);
}

@media (max-width: 52rem) {
  .masthead {
    position: static;
  }

  .masthead__inner {
    flex-wrap: wrap;
    row-gap: 0;
    padding-block: 0.5rem 0;
  }

  .masthead__cta {
    margin-left: auto;
  }

  .nav {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
  }

  .nav ul {
    flex-wrap: wrap;
    column-gap: 1.1rem;
    padding-bottom: 0.35rem;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 7rem);
  background-color: var(--night);
  background-image:
    radial-gradient(38rem 30rem at 82% 35%, rgba(216, 70, 31, 0.2), transparent 70%),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size:
    auto,
    100% 2.5rem;
  color: var(--night-ink);
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

@media (min-width: 62rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.hero .eyebrow {
  color: var(--night-ink-3);
}

.hero__title {
  max-width: 14ch;
  font-size: clamp(2.7rem, 6.3vw, 5.4rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero__title em {
  font-style: italic;
  color: var(--signal-bright);
}

.hero__lede {
  max-width: 34ch;
  margin-top: 1.6rem;
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  line-height: 1.45;
  color: var(--night-ink-2);
}

.hero__for {
  margin-top: 1.4rem;
  font-size: 0.9375rem;
  color: var(--night-ink-3);
}

/* The split: one topic, two views */

.split {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--night-rule);
  border-radius: calc(var(--radius) * 1.4);
  background: var(--night-raised);
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);
  color: var(--night-ink);
}

.split__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--night-rule);
  color: var(--night-ink-3);
}

.split__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--night-ink);
}

.split__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 1rem;
  align-items: center;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--night-rule);
}

.split__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--night-ink-3);
}

.split__figure {
  grid-column: 2;
  grid-row: 2 / span 2;
  text-align: right;
  font-size: 0.9375rem;
  color: var(--night-ink-2);
}

.split__numerals {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.4rem);
  line-height: 1;
  color: var(--night-ink);
}

.split__row--own .split__numerals {
  color: var(--signal-bright);
}

.split__detail {
  font-size: 0.875rem;
  color: var(--night-ink-3);
}

.split__detail .stamp {
  color: var(--night-ink-2);
}

.split__next {
  padding-top: 1.1rem;
}

.split__outcome {
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
}

.split__outcome strong {
  font-weight: 600;
  color: var(--signal-bright);
}

.dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--night-ink-2);
}

.dot {
  display: inline-block;
  flex: none;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.dot--correct {
  background-color: currentColor;
}

/* Help hatches a dot: a correct answer stays mostly filled, a wrong one mostly empty. */
.dot--helped {
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 3px,
    var(--night-raised) 3px 4.5px
  );
}

.dot--wrong.dot--helped {
  background-image: repeating-linear-gradient(
    135deg,
    currentColor 0 1.25px,
    transparent 1.25px 4.5px
  );
}

.dot--own {
  color: var(--signal-bright);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.1rem;
  font-size: 0.8125rem;
  color: var(--night-ink-3);
}

.legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend .dot {
  width: 0.85rem;
  height: 0.85rem;
  color: var(--night-ink-2);
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(3.75rem, 8vw, 6.5rem);
}

.section--sunken {
  background-color: var(--paper-sunken);
}

.section--night {
  background-color: var(--night);
  color: var(--night-ink);
}

.section__head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section__label {
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.section__number {
  margin-right: 0.5rem;
  color: var(--signal-ink);
}

.section__title {
  max-width: 24ch;
  font-size: clamp(1.9rem, 3.8vw, 3.1rem);
}

.section__intro {
  max-width: var(--measure);
  font-size: 1.125rem;
  color: var(--ink-2);
}

.section__intro + * {
  margin-top: 1.75rem;
}

.section__note {
  max-width: var(--measure);
  margin-top: 1.5rem;
  font-size: 0.9375rem;
  color: var(--ink-3);
}

.section--night .section__label,
.section--night .section__note {
  color: var(--night-ink-3);
}

.section--night .section__number {
  color: var(--signal-bright);
}

.section--night .section__intro {
  color: var(--night-ink-2);
}

.section--night a {
  color: var(--signal-bright);
}

.subhead {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.columns {
  display: grid;
  gap: 1.5rem 3rem;
}

@media (min-width: 48rem) {
  .columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .columns--code {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.plain-list {
  display: grid;
  gap: 0.7rem;
  max-width: var(--measure);
}

.plain-list li {
  position: relative;
  padding-left: 1.25rem;
}

.plain-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.45rem;
  height: 2px;
  background: var(--signal);
}

.boundaries {
  display: grid;
  gap: 0.6rem 2.5rem;
}

@media (min-width: 44rem) {
  .boundaries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.boundaries li {
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--rule-strong);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.boundaries li::before {
  content: 'Not ';
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal-ink);
  vertical-align: 0.2em;
}

.boundaries--pending li::before {
  content: none;
}

.status {
  display: grid;
  gap: 0.75rem;
  max-width: var(--measure);
  color: var(--ink-2);
}

.status__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

/* ---------- Page header (inner pages) ---------- */

.page-header {
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--rule);
}

.page-header__title {
  max-width: 18ch;
  margin-bottom: 1.4rem;
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}

.not-found__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.5rem;
}

/* ---------- Home: cards, steps, offers, principles, roadmap, CTA ---------- */

.cards {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 48rem) {
  .cards--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
}

.card__title {
  margin-bottom: 0.6rem;
  font-size: 1.45rem;
}

.card p {
  color: var(--ink-2);
}

.steps {
  display: grid;
  gap: 1.75rem;
  counter-reset: step;
}

@media (min-width: 40rem) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 66rem) {
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.step {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.35rem 1.25rem 1.25rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.step__index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--signal-ink);
}

.step__title {
  font-size: 1.6rem;
}

.step p:not([class]) {
  color: var(--ink-2);
}

.step__result {
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--rule-strong);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink);
}

.reveal {
  display: grid;
  gap: 0.6rem;
  max-width: 48rem;
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--signal);
  background: var(--paper-raised);
}

.reveal__kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.reveal__text {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.3;
}

.offers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

@media (min-width: 56rem) {
  .offers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.offer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.offer__title {
  font-size: 1.6rem;
}

.offer p {
  color: var(--ink-2);
}

.offer__snippet {
  margin-top: auto;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-rule);
  color: var(--night-ink);
  font-size: 0.875rem;
  /* Keep the snippet's own line breaks; wrap at spaces on narrow cards, never scroll. */
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.principles {
  display: grid;
  gap: 2rem 2.5rem;
}

@media (min-width: 44rem) {
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 70rem) {
  .principles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.principle {
  padding-top: 1.25rem;
  border-top: 1px solid var(--night-rule);
}

.principle__title {
  margin-bottom: 0.6rem;
  font-size: 1.55rem;
  font-style: italic;
}

.principle p {
  color: var(--night-ink-2);
}

.roadmap {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 48rem) {
  .roadmap {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.roadmap__item {
  position: relative;
  padding-top: 1.6rem;
  border-top: 2px solid var(--rule-strong);
  color: var(--ink-2);
}

.roadmap__item::before {
  content: '';
  position: absolute;
  top: -0.6rem;
  left: 0;
  width: 1.05rem;
  height: 1.05rem;
  border: 2px solid var(--signal);
  border-radius: 50%;
  background: var(--paper);
}

.roadmap__item--now::before {
  background: var(--signal);
}

.roadmap__item--next::before {
  background: linear-gradient(90deg, var(--signal) 50%, var(--paper) 50%);
}

.roadmap__item--goal::before {
  border-style: dashed;
}

.roadmap__when {
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.cta {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
  background: var(--signal-ink);
  color: var(--paper);
}

.cta__title {
  max-width: 20ch;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  font-weight: 400;
}

.cta__text {
  max-width: 44ch;
  margin-top: 1rem;
  font-size: 1.2rem;
}

.cta .button--outline-light {
  color: var(--paper);
}

/* ---------- Demo ---------- */

.demo-nav {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-raised);
}

.demo-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  padding-block: 0.85rem;
}

.demo-nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
  text-decoration: none;
}

.demo-nav__list a:hover {
  color: var(--ink);
}

.demo-nav__list span {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border: 1.5px solid var(--signal);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--signal-ink);
}

.demo-step {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.demo-step--sunken {
  background: var(--paper-sunken);
}

.demo-step__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 64rem) {
  .demo-step__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 4rem;
    align-items: start;
  }

  .demo-step__story {
    position: sticky;
    top: 6rem;
  }
}

.demo-step__number {
  margin-bottom: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-ink);
}

.demo-step__title {
  margin-bottom: 1rem;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
}

.demo-step__story > p:not([class]) {
  max-width: 38ch;
  color: var(--ink-2);
}

.demo-step__story > p + p {
  margin-top: 1rem;
}

.demo-step__aside {
  padding-left: 0.9rem;
  border-left: 3px solid var(--signal);
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
}

.demo-step__panel {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.panel {
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  box-shadow: 0 18px 50px -34px rgba(21, 19, 15, 0.45);
}

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.panel__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.panel__meta {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.panel__body {
  padding: 0.5rem 1.25rem 1.25rem;
}

.panel .table-wrap {
  margin: 0;
  border-top: 0;
}

.result {
  font-weight: 700;
  white-space: nowrap;
}

.result--right {
  color: var(--good);
}

.result--wrong {
  color: var(--signal-ink);
}

.result--right::before {
  content: '✓ ';
}

.result--wrong::before {
  content: '✗ ';
}

.counts {
  font-weight: 700;
}

.counts--yes::before {
  content: '';
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--signal);
  vertical-align: 0.05em;
}

.counts--no {
  color: var(--ink-3);
  font-weight: 400;
}

.counts__why {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.states {
  display: grid;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .states {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.state {
  padding: 1.1rem 1.25rem 1.25rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.state__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}

.state__topic {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.state__figure {
  margin-block: 0.75rem 0.85rem;
  color: var(--ink-2);
}

.state__numerals {
  margin-right: 0.3rem;
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--signal-ink);
}

.state__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--rule-strong);
  font-size: 0.875rem;
}

.state__facts dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.state__facts dd {
  margin: 0;
}

.plan {
  display: grid;
}

.plan__check {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--rule);
}

.plan__check:last-child {
  border-bottom: 0;
}

.plan__rank {
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--signal-ink);
}

.plan__topic {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.plan__reason {
  margin-top: 0.25rem;
  font-size: 0.9688rem;
  color: var(--ink-2);
}

.plan__reason strong {
  color: var(--ink);
}

.plan__items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.item-chip {
  padding: 0.12rem 0.55rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.item-chip code {
  color: var(--ink);
}

.item-chip--new {
  border-color: var(--signal);
  background: var(--signal-wash);
  color: var(--ink-2);
}

.followups {
  display: grid;
}

.followup {
  padding-block: 1rem;
  border-bottom: 1px solid var(--rule);
}

.followup:last-child {
  border-bottom: 0;
}

.followup__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.followup__topic {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.followup__detail {
  margin-top: 0.35rem;
  color: var(--ink-2);
}

/* ---------- Product ---------- */

.flow {
  display: grid;
  gap: 1rem;
}

@media (min-width: 64rem) {
  .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }
}

.flow__item {
  position: relative;
  padding: 1.25rem;
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
}

@media (min-width: 64rem) {
  .flow__item + .flow__item {
    border-left: 0;
  }

  .flow__item:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
  }

  .flow__item:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
  }

  .flow__item:not(:last-child)::after {
    content: '→';
    position: absolute;
    top: 1.1rem;
    right: -0.55rem;
    z-index: 1;
    padding-inline: 0.15rem;
    background: var(--paper);
    color: var(--signal-ink);
    font-weight: 700;
  }
}

@media (max-width: 63.99rem) {
  .flow__item {
    border-radius: var(--radius);
  }
}

.flow__item--accent {
  border-color: var(--signal);
  background: var(--signal-wash);
}

.flow__name {
  margin-bottom: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.flow__item p:not(.flow__name) {
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* ---------- Tables and code ---------- */

.table-wrap {
  margin-block: 0.5rem 1rem;
  overflow-x: auto;
  border-top: 2px solid var(--ink);
}

.table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table--fields {
  min-width: 46rem;
}

.table--log {
  min-width: 34rem;
  font-size: 0.875rem;
}

.table th,
.table td {
  padding: 0.65rem 1rem 0.65rem 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.section--sunken .table th,
.section--sunken .table td {
  border-bottom-color: var(--rule-strong);
}

.table thead th {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.table tbody th {
  font-weight: 700;
}

.table--fields td:last-child,
.table--routes td:last-child,
.table--errors td:last-child,
.table--readiness td:last-child {
  color: var(--ink-2);
}

.table--log td:first-child {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  white-space: nowrap;
  color: var(--ink-3);
}

@media (max-width: 40rem) {
  .table--stack {
    min-width: 0;
  }

  .table--stack thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .table--stack,
  .table--stack tbody,
  .table--stack tr,
  .table--stack th,
  .table--stack td {
    display: block;
  }

  .table--stack tr {
    padding-block: 0.85rem;
    border-bottom: 1px solid var(--rule);
  }

  .table--stack th,
  .table--stack td,
  .section--sunken .table--stack th,
  .section--sunken .table--stack td {
    padding: 0.1rem 0;
    border-bottom: 0;
  }

  .table--stack th code {
    overflow-wrap: anywhere;
  }

  .table--stack td[data-label]::before {
    content: attr(data-label);
    display: block;
    margin-top: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-3);
  }

  .table--routes tr {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 0.75rem;
    align-items: baseline;
  }

  .table--routes td:first-child::before {
    content: none;
  }

  .table--routes td:nth-child(n + 3) {
    grid-column: 1 / -1;
  }

  /* One answer on a phone: topic and time, then result and help, then whether it counts. */
  .table--log tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      'topic when'
      'result help'
      'counts counts';
    gap: 0.15rem 0.75rem;
    align-items: baseline;
  }

  .table--log th {
    grid-area: topic;
  }

  .table--log td:nth-child(1) {
    grid-area: when;
    text-align: right;
  }

  .table--log td:nth-child(3) {
    grid-area: result;
  }

  .table--log td:nth-child(4) {
    grid-area: help;
    text-align: right;
    color: var(--ink-2);
  }

  .table--log td:nth-child(5) {
    grid-area: counts;
  }

  .table--log td[data-label]::before {
    content: none;
  }

  .table--log td:nth-child(4)::before {
    content: 'Help: ';
    display: inline;
    margin: 0;
    font-family: var(--font-ui);
    font-size: inherit;
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink-3);
  }
}

.type {
  color: var(--ink-2);
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}

.method {
  padding: 0.08rem 0.4rem;
  border: 1px solid currentColor;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.method--get {
  color: var(--ink-2);
}

.method--post {
  color: var(--signal-ink);
}

.code {
  margin: 0;
  min-width: 0;
}

.code__label {
  overflow-wrap: anywhere;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.code pre {
  margin: 0;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-rule);
  color: var(--night-ink);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.definitions {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1rem;
}

.definitions dt {
  font-weight: 700;
}

.definitions dd {
  margin: 0.15rem 0 0;
  color: var(--ink-2);
}

.definitions--grid {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  gap: 1rem 2.25rem;
}

.section__intro code,
.section__note code,
.definitions code,
.plain-list code {
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  background: var(--paper-sunken);
}

.section--sunken .section__intro code,
.section--sunken .definitions code,
.section--sunken .plain-list code {
  background: var(--paper-raised);
}

/* ---------- Evidence ---------- */

.claims {
  display: grid;
  gap: 1rem;
}

.claim {
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.claim__wording {
  max-width: 60ch;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.35;
}

.claim__details {
  margin-top: 0.85rem;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.claim__details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.claim__id {
  margin-left: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-3);
}

.claim__limits {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.claim__limits li {
  padding-left: 1rem;
  border-left: 2px solid var(--rule-strong);
}

.claim__source {
  margin-top: 0.6rem;
  overflow-wrap: anywhere;
  color: var(--ink-3);
}

.levels {
  display: grid;
  gap: 0;
  max-width: 44rem;
}

.levels__item {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 0.25rem 1.5rem;
  padding: 0.85rem 0 0.85rem 1.4rem;
  border-left: 2px solid var(--rule-strong);
  color: var(--ink-3);
}

@media (max-width: 40rem) {
  .levels__item {
    grid-template-columns: minmax(0, 1fr);
  }
}

.levels__item--reached {
  border-left-color: var(--signal);
  color: var(--ink);
}

.levels__name {
  font-weight: 700;
}

.levels__marker {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-ink);
}

/* ---------- Security ---------- */

.controls {
  display: grid;
  gap: 2rem 1.25rem;
}

@media (min-width: 44rem) {
  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 68rem) {
  .controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.control {
  padding-top: 1.1rem;
  border-top: 2px solid var(--ink);
}

.control__title {
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
}

.control p {
  color: var(--ink-2);
}

/* ---------- Company ---------- */

.founder {
  display: grid;
  align-content: start;
  gap: 0.25rem;
}

@media (min-width: 48rem) {
  .columns--founder {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  }
}

.founder__name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
}

.founder__role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.quote {
  max-width: 52rem;
  padding-left: 1.5rem;
  border-left: 4px solid var(--signal);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  line-height: 1.4;
}

.contact-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
}

.contact-list__label {
  min-width: 8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.contact-list a {
  font-size: 1.25rem;
  font-weight: 700;
}

/* ---------- Footer ---------- */

.colophon {
  padding-block: 3rem;
  background: var(--night);
  color: var(--night-ink-2);
}

.colophon__inner {
  display: grid;
  gap: 1.5rem 3rem;
}

@media (min-width: 52rem) {
  .colophon__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}

.colophon__name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  color: var(--night-ink);
}

.colophon__tagline {
  margin-top: 0.25rem;
  color: var(--night-ink-3);
}

.colophon__nav,
.colophon__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}

.colophon a {
  color: var(--night-ink);
  text-decoration: none;
}

.colophon a:hover {
  text-decoration: underline;
}

.colophon__contact a {
  color: var(--signal-bright);
  font-weight: 700;
}

.colophon__note {
  grid-column: 1 / -1;
  padding-top: 1.25rem;
  border-top: 1px solid var(--night-rule);
  font-size: 0.875rem;
  color: var(--night-ink-3);
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .hero__copy > *,
  .page-header .wrap > * {
    animation: rise 700ms var(--ease) both;
  }

  .hero__copy > :nth-child(2),
  .page-header .wrap > :nth-child(2) {
    animation-delay: 80ms;
  }

  .hero__copy > :nth-child(3),
  .page-header .wrap > :nth-child(3) {
    animation-delay: 160ms;
  }

  .hero__copy > :nth-child(4),
  .page-header .wrap > :nth-child(4) {
    animation-delay: 240ms;
  }

  .hero__copy > :nth-child(5) {
    animation-delay: 320ms;
  }

  .split {
    animation: rise 800ms var(--ease) 160ms both;
  }

  .split__row .dot {
    animation: pop 360ms cubic-bezier(0.3, 1.6, 0.5, 1) both;
  }

  .split__row .dot:nth-child(1) {
    animation-delay: 520ms;
  }
  .split__row .dot:nth-child(2) {
    animation-delay: 600ms;
  }
  .split__row .dot:nth-child(3) {
    animation-delay: 680ms;
  }
  .split__row .dot:nth-child(4) {
    animation-delay: 760ms;
  }
  .split__row .dot:nth-child(5) {
    animation-delay: 840ms;
  }
  .split__row .dot:nth-child(6) {
    animation-delay: 920ms;
  }
  .split__row .dot:nth-child(7) {
    animation-delay: 1000ms;
  }
  .split__row .dot:nth-child(8) {
    animation-delay: 1080ms;
  }

  .split__row--own .dot {
    animation-delay: 1250ms;
  }

  .split__row--own .split__figure,
  .split__row--own .split__detail {
    animation: rise 520ms var(--ease) 1350ms both;
  }

  .split__next {
    animation: rise 620ms var(--ease) 1650ms both;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.3);
  }
  to {
    opacity: 1;
    transform: none;
  }
}