@font-face {
  font-family: Inter;
  src: url('/fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
:root {
  color-scheme: light dark;
  --paper: #f8f9f4;
  --ink: #172d26;
  --muted: #58665f;
  --line: #d7dfd4;
  --lime: #d1f28a;
  --lime-line: #91b454;
  --lime-soft: #cfee9c;
  --lime-tint: #eef7d9;
  --green: #326644;
  --white: #fff;
  --surface: #edf1e6;
  --surface-2: #e9efdf;
  --surface-line: #d5ddce;
  --tile: #f8faf4;
  --tile-line: #bdcbb4;
  --tile-ink: #456141;
  --warn: #97623b;
  --connector: #8b9b7c;
  --art-bg-1: #e1e8d5;
  --art-bg-2: #dce5db;
  --art-bg-3: #e7e6d6;
  --art-ink: #496339;
  --art-ink-2: #2d4e3e;
  --alt-bg: #172d26;
  --alt-fg: #f8f9f4;
  --on-lime: #172d26;
  --on-lime-muted: #445238;
  --button-hover: #2e493b;
  --focus: #597c10;
  --shadow: #172d2614;
  --radius: 22px;
}
/* Dark theme: follows the system preference unless the reader chose a theme with the header switch. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e1814;
    --ink: #e6eee4;
    --muted: #a3b3a8;
    --line: #26382f;
    --lime: #d1f28a;
    --lime-line: #7da34a;
    --lime-soft: #3c5a25;
    --lime-tint: #1f3019;
    --green: #9ccf82;
    --white: #152119;
    --surface: #142019;
    --surface-2: #192820;
    --surface-line: #2b3f34;
    --tile: #1a2a22;
    --tile-line: #3b5044;
    --tile-ink: #bcd6b3;
    --warn: #e2a66f;
    --connector: #5b7061;
    --art-bg-1: #1d2d24;
    --art-bg-2: #1b2a23;
    --art-bg-3: #212820;
    --art-ink: #bcd6b3;
    --art-ink-2: #d2e3d2;
    --alt-bg: #13221b;
    --alt-fg: #e6eee4;
    --on-lime: #172d26;
    --on-lime-muted: #3a4a34;
    --button-hover: #cfdccb;
    --focus: #b6e26a;
    --shadow: #00000066;
  }
}
:root[data-theme="dark"] {
  --paper: #0e1814;
  --ink: #e6eee4;
  --muted: #a3b3a8;
  --line: #26382f;
  --lime: #d1f28a;
  --lime-line: #7da34a;
  --lime-soft: #3c5a25;
  --lime-tint: #1f3019;
  --green: #9ccf82;
  --white: #152119;
  --surface: #142019;
  --surface-2: #192820;
  --surface-line: #2b3f34;
  --tile: #1a2a22;
  --tile-line: #3b5044;
  --tile-ink: #bcd6b3;
  --warn: #e2a66f;
  --connector: #5b7061;
  --art-bg-1: #1d2d24;
  --art-bg-2: #1b2a23;
  --art-bg-3: #212820;
  --art-ink: #bcd6b3;
  --art-ink-2: #d2e3d2;
  --alt-bg: #13221b;
  --alt-fg: #e6eee4;
  --on-lime: #172d26;
  --on-lime-muted: #3a4a34;
  --button-hover: #cfdccb;
  --focus: #b6e26a;
  --shadow: #00000066;
}
:root[data-theme="dark"] {
  color-scheme: dark;
}
:root[data-theme="light"] {
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: auto;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.65;
}
::selection {
  background: var(--lime);
  color: var(--on-lime);
}
.contact-section ::selection {
  background: var(--on-lime);
  color: var(--lime);
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button,
input,
summary {
  font: inherit;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 5px;
  border-radius: 3px;
}
img,
svg {
  max-width: 100%;
  display: block;
}
p,
h1,
h2,
h3,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.045em;
  font-weight: 570;
  text-wrap: balance;
}
h1 {
  overflow-wrap: anywhere;
  hyphens: auto;
  font-size: clamp(3rem, 6.4vw, 5.8rem);
}
h2 {
  font-size: clamp(2.15rem, 3.6vw, 3.25rem);
}
h3 {
  font-size: 1.32rem;
  letter-spacing: -0.025em;
  line-height: 1.3;
}
p {
  text-wrap: pretty;
}
p + p {
  margin-top: 1rem;
}
.wrap {
  width: min(1240px, calc(100% - 96px));
  margin-inline: auto;
}
.section {
  padding-block: 110px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-200%);
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
}
.skip-link:focus {
  transform: none;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-height: 116px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 29px;
  font-weight: 610;
  line-height: 1.1;
  letter-spacing: -1.3px;
  flex-shrink: 0;
}
.brand-by {
  display: block;
  font-size: 10px;
  letter-spacing: 0.04em;
  font-weight: 550;
  line-height: 1.8;
  margin-top: 4px;
}
.brand-mark {
  flex-shrink: 0;
}
/* Logo detail follows color-scheme: lime on the dark light-theme plate, --on-lime on the pale dark-theme plate. */
@supports (color: light-dark(#000, #fff)) {
  .brand-mark path { stroke: light-dark(var(--lime), var(--on-lime)); }
  .brand-mark circle { fill: light-dark(var(--lime), var(--on-lime)); }
}
.brand-mark.small {
  width: 34px;
  height: 34px;
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 13px;
  font-weight: 530;
}
.main-nav a,
.header-contact {
  text-decoration: none;
  white-space: nowrap;
  padding-block: 12px;
}
.header-end {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 540;
}
.language-menu {
  position: relative;
  z-index: 10;
}
.language-trigger {
  anchor-name: --language-trigger;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
}
.language-menu nav {
  /* Native popovers supply light-dismiss, Escape and focus restoration. */
  position: fixed;
  inset: auto;
  margin: 0;
  right: max(18px, calc((100vw - 1240px) / 2));
  top: 88px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px var(--shadow);
  border-radius: 12px;
  padding: 8px;
  min-width: 160px;
  max-width: calc(100vw - 36px);
  max-height: calc(100dvh - 100px);
  overflow: auto;
}
@supports (top: anchor(bottom)) {
  .language-menu nav {
    position-anchor: --language-trigger;
    top: anchor(bottom);
    right: anchor(right);
  }
}
.language-menu nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
}
.language-menu a:hover,
.language-menu a[aria-current] {
  background: var(--surface-2);
}
.header-contact {
  border-bottom: 1px solid var(--ink);
}
.arrow {
  display: inline-block;
  margin-left: 8px;
  font-size: 1.12em;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.88fr);
  gap: 72px;
  padding-top: 82px;
  padding-bottom: 104px;
  align-items: center;
}
.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.12em;
  line-height: 1.6;
  margin-bottom: 27px;
}
.kicker > span {
  display: block;
  width: 6px;
  height: 6px;
  background: var(--green);
  flex-shrink: 0;
  border-radius: 50%;
}
.hero h1 {
  max-width: 12ch;
  margin-bottom: 26px;
}
.lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 48ch;
}
.hero-actions {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px;
  border-radius: 9px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 620;
  line-height: 1.5;
  min-height: 54px;
}
.button-primary,
.button-dark {
  background: var(--ink);
  color: var(--paper);
}
.button:hover {
  background: var(--button-hover);
  box-shadow: 0 3px 0 var(--shadow);
}
.text-link {
  font-size: 13px;
  font-weight: 580;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
}
.audience {
  font-size: 13px;
  max-width: 60ch;
  color: var(--muted);
  margin-top: 22px;
}
.stage {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 20px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.stage > span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}
.flow-card {
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  padding: 27px;
  box-shadow: 0 16px 40px #24443405;
}
.flow-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 9px;
  color: var(--muted);
  margin-bottom: 36px;
}
.flow-symbol {
  font-size: 27px;
}
.flow-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 10px;
  margin-bottom: 12px;
}
.flow-label > span {
  color: var(--muted);
}
.flow-label strong {
  font-weight: 580;
}
.record-strip {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}
.record-strip > span {
  display: grid;
  place-items: center;
  aspect-ratio: 1/1.22;
  border: 1px solid var(--tile-line);
  background: var(--tile);
  border-radius: 7px;
  font:
    400 19px ui-monospace,
    monospace;
  color: var(--tile-ink);
}
.record-strip .empty {
  background: transparent;
  border-style: dashed;
  color: var(--warn);
}
.record-strip .filled {
  background: var(--lime);
  border-color: var(--lime-line);
  font-weight: 650;
  color: var(--on-lime);
}
.flow-connector {
  position: relative;
  min-height: 97px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-size: 10px;
  color: var(--muted);
}
.vertical-line {
  height: 18px;
  border-left: 1px dashed var(--connector);
}
.flow-connector > span:last-child {
  font-size: 18px;
  line-height: 1.4;
}
.flow-finding {
  border-top: 1px solid var(--surface-line);
  margin-top: 29px;
  padding-top: 22px;
  display: flex;
  gap: 13px;
  align-items: center;
  font-size: 13px;
  font-weight: 540;
  line-height: 1.6;
}
.flow-finding > span {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  background: var(--lime);
  border-radius: 50%;
  font-weight: 650;
  color: var(--on-lime);
}
.flow-card figcaption {
  margin-top: 11px;
  font-size: 9px;
  color: var(--muted);
}
.offer {
  border-top: 1px solid var(--line);
}
.split-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 110px;
  align-items: start;
}
.split-heading h2 {
  max-width: 17ch;
}
.split-heading p {
  color: var(--muted);
  font-size: 15px;
}
.offer-name {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--lime-line);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 620;
  margin-bottom: 14px;
}
.muted {
  color: var(--muted);
}
.small-copy {
  font-size: 12px !important;
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 52px;
  gap: 34px;
}
.check-card {
  border-top: 1px solid var(--line);
  padding-top: 25px;
}
.number {
  display: block;
  font-size: 11px;
  color: var(--green);
  margin-bottom: 28px;
  font-variant-numeric: tabular-nums;
}
.check-card h3 {
  margin-bottom: 12px;
}
.check-card p {
  font-size: 13px;
  color: var(--muted);
  max-width: 35ch;
}
.example-section {
  background: var(--alt-bg);
  color: var(--alt-fg);
}
.example-section a:focus-visible,
.example-section [tabindex]:focus-visible {
  outline-color: var(--lime);
}
.example-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
}
.kicker-light {
  color: #c4d3c7;
}
.kicker-light > span {
  background: var(--lime);
}
.example-heading h2 {
  font-size: clamp(2.6rem, 4.5vw, 4rem);
}
.synthetic-label {
  font-size: 10px;
  border: 1px solid #52695d;
  padding: 7px 12px;
  border-radius: 30px;
  flex-shrink: 0;
  margin-bottom: 4px;
}
.example-intro {
  font-size: 16px;
  color: #c7d4cb;
  max-width: 77ch;
  margin-top: 24px;
}
.example-table-wrap {
  position: relative;
  margin-top: 36px;
  overflow-x: auto;
  border: 1px solid #466053;
  border-radius: 12px;
  background: #1c342b;
}
.data-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
  white-space: nowrap;
  text-align: left;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.data-table caption {
  padding: 20px 24px;
  text-align: left;
  font-size: 12px;
  color: #c7d4cb;
  white-space: normal;
  line-height: 1.7;
  background: #20392f;
}
.data-table th,
.data-table td {
  padding: 14px 24px;
  border-top: 1px solid #395346;
}
.data-table thead th {
  color: #c7d4cb;
  font-size: 11px;
  font-weight: 530;
}
.data-table tbody th {
  font-weight: 450;
  font-family: ui-monospace, monospace;
}
.data-table td:nth-child(2) {
  font-family: ui-monospace, monospace;
  color: #c7d4cb;
}
.data-table .mismatch-row {
  background: #2d4530;
}
.data-table .mismatch-row td,
.data-table .mismatch-row th {
  border-top-color: #6e854e;
}
.status {
  font-size: 11px;
  color: #c7d4cb;
}
.status.mismatch {
  color: var(--lime);
  font-weight: 600;
}
.missing-value {
  color: var(--lime);
  font-weight: 700;
}
.offset-note {
  font-size: 12px;
  color: #bbc9be;
  margin-top: 14px;
}
.finding {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  margin-top: 36px;
  max-width: 870px;
}
.finding-icon {
  color: var(--lime);
  font-size: 43px;
  line-height: 1;
}
.finding h3 {
  color: var(--lime);
  margin-bottom: 12px;
}
.finding p {
  font-size: 14px;
  line-height: 1.8;
  color: #d9e2d8;
}
.finding .example-limit {
  font-size: 12px;
  color: #bbc9be;
}
.inline-links {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 20px;
  font-size: 12px;
}
.method h2 {
  max-width: 20ch;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 44px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}
.steps li {
  display: block;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.step-number {
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 11px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--green);
}
.steps h3 {
  margin-bottom: 8px;
}
.steps p {
  margin-top: 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 36ch;
}
.notes-section {
  background: var(--surface);
  border-block: 1px solid var(--line);
}
.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 44px;
}
.note-card {
  border: 1px solid var(--surface-line);
  background: var(--paper);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.note-art {
  height: 175px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--art-bg-1);
  color: var(--art-ink);
  font-family: ui-monospace, monospace;
}
.note-art-1 > span {
  font-size: 34px;
  border: 1px solid var(--lime-line);
  padding: 5px 15px;
  border-radius: 10px;
}
.note-art-1 .unknown {
  border-style: dashed;
  color: var(--ink);
  background: var(--lime-soft);
}
.note-art-2 {
  background: var(--art-bg-2);
  gap: 17px;
}
.note-art-2 > span {
  font-size: 26px;
  color: var(--art-ink-2);
}
.note-art-2 small {
  font-size: 11px;
  display: block;
  text-align: center;
  margin-top: 9px;
  color: var(--art-ink);
}
.note-art-3 {
  background: var(--art-bg-3);
}
.mini-checklist {
  display: grid;
  gap: 7px;
  transform: rotate(-4deg);
  background: var(--tile);
  border: 1px solid var(--tile-line);
  border-radius: 9px;
  padding: 15px 27px;
  font-size: 16px;
}
.note-card-copy {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.note-meta {
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 17px;
}
.note-card h3 {
  font-size: 21px;
  margin-bottom: 13px;
}
.note-card h3 a {
  text-decoration: none;
}
.note-card h3 a:hover {
  text-decoration: underline;
}
.note-card p {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 20px;
}
.note-card .text-link {
  margin-top: auto;
  align-self: start;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 110px;
}
.about h2 {
  max-width: 17ch;
  margin-bottom: 26px;
}
.about-intro p:not(.kicker) {
  font-size: 14px;
}
.faq > h3 {
  margin-bottom: 26px;
}
.faq details {
  border-top: 1px solid var(--line);
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 540;
  font-size: 13px;
  padding: 21px 0;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary > span {
  font-size: 22px;
  font-weight: 350;
}
.faq details[open] summary > span {
  transform: rotate(45deg);
}
.faq details p {
  font-size: 13px;
  color: var(--muted);
  padding: 0 22px 24px 0;
}
.contact-section {
  background: var(--lime);
  color: var(--on-lime);
}
.contact .button {
  background: var(--on-lime);
  color: var(--lime);
}
.contact .button:hover {
  background: #2e493b;
}
.contact {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
  padding-block: 75px;
  align-items: center;
}
.contact h2 {
  max-width: 21ch;
}
.contact p:not(.kicker) {
  font-size: 14px;
}
.contact .button {
  margin-top: 25px;
}
.contact .contact-note {
  font-size: 11px !important;
  max-width: 40ch;
  margin-top: 16px;
  color: var(--on-lime-muted);
}
.footer {
  padding-block: 55px 25px;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 35px;
}
.footer-main p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 17px;
}
.footer-links {
  display: flex;
  align-items: start;
  gap: 30px;
  font-size: 11px;
  padding-top: 7px;
}
.footer-small {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 45px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 9px;
  color: var(--muted);
}
.footer-small p {
  max-width: 78ch;
}
.footer-small > span {
  flex-shrink: 0;
}
.article {
  max-width: 950px;
  padding-block: 35px 100px;
}
.back-link {
  text-decoration: none;
  color: var(--muted);
  margin-bottom: 54px;
}
.article-heading {
  border-bottom: 1px solid var(--line);
  padding-bottom: 35px;
}
.article h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.75rem);
  max-width: 18ch;
  margin-bottom: 24px;
}
.article .lead {
  max-width: 65ch;
}
.article-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 25px;
}
.prose {
  max-width: 740px;
  padding-top: 35px;
  line-height: 1.9;
}
.prose h2 {
  font-size: 28px;
  margin: 38px 0 18px;
}
.prose h3 {
  margin: 26px 0 14px;
}
.prose ul,
.prose ol {
  padding-left: 24px;
}
.prose li + li {
  margin-top: 9px;
}
.prose p {
  margin-bottom: 18px;
}
.prose code {
  background: var(--surface-2);
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}
.prose pre {
  background: var(--ink);
  color: var(--paper);
  border-radius: 12px;
  padding: 22px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.8;
}
.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.callout {
  padding: 22px 26px;
  background: var(--surface-2);
  border: 1px solid var(--surface-line);
  border-radius: 12px;
  margin: 26px 0;
}
.callout p:last-child {
  margin-bottom: 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 24px 0;
}
.prose th,
.prose td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 12px 8px;
}
.prose .sources {
  font-size: 13px;
}
.prose .next-note {
  border-top: 1px solid var(--line);
  margin-top: 38px;
  padding-top: 22px;
}
@media (min-width: 1500px) {
  .hero {
    gap: 100px;
  }
}
@media (max-width: 1150px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .main-nav {
    gap: 18px;
  }
  .header-end {
    gap: 16px;
  }
  .header-contact {
    display: none;
  }
  .hero {
    gap: 45px;
  }
  .split-heading,
  .about {
    gap: 60px;
  }
  .steps {
    gap: 24px;
  }
  .contact {
    gap: 60px;
  }
  .flow-card {
    padding: 22px;
  }
  .note-card-copy {
    padding: 22px;
  }
  .data-table th,
  .data-table td {
    padding: 14px 20px;
  }
}
@media (max-width: 820px) {
  .site-header {
    flex-wrap: wrap;
    padding-top: 25px;
    gap: 18px;
  }
  .brand {
    font-size: 27px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    border-top: 1px solid var(--line);
    gap: 18px;
    overflow-x: auto;
    font-size: 12px;
  }
  .header-end {
    margin-left: auto;
  }
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 42px;
    padding-top: 54px;
    padding-bottom: 66px;
  }
  .hero h1 {
    max-width: 14ch;
    font-size: clamp(3.4rem, 9vw, 5.2rem);
  }
  .hero-visual {
    max-width: 530px;
    width: 100%;
  }
  .flow-card {
    padding: 28px;
  }
  .flow-top {
    margin-bottom: 22px;
  }
  .flow-connector {
    min-height: 74px;
  }
  .record-strip > span {
    aspect-ratio: 1/1;
  }
  .section {
    padding-block: 72px;
  }
  .split-heading {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .split-heading h2 {
    max-width: 24ch;
  }
  .split-heading > p {
    max-width: 55ch;
  }
  .check-grid {
    gap: 24px;
  }
  .check-card h3 {
    font-size: 18px;
  }
  .example-heading {
    display: block;
  }
  .synthetic-label {
    display: inline-block;
    margin-top: 25px;
  }
  .example-intro {
    font-size: 15px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .method h2,
  .about h2 {
    max-width: 24ch;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 30px;
  }
  .steps li {
    padding: 22px 0;
  }
  .steps li:last-child {
    padding-bottom: 0;
  }
  .notes-grid {
    gap: 16px;
  }
  .note-card-copy {
    padding: 19px;
  }
  .note-card h3 {
    font-size: 18px;
  }
  .note-art {
    height: 140px;
    gap: 7px;
  }
  .note-art-1 > span {
    font-size: 26px;
    padding: 4px 9px;
  }
  .note-art-2 > span {
    font-size: 17px;
  }
  .mini-checklist {
    padding: 12px 15px;
    font-size: 13px;
  }
  .contact {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 60px;
  }
  .contact p {
    max-width: 55ch;
  }
  .footer-main {
    display: block;
  }
  .footer-links {
    margin-top: 24px;
    flex-wrap: wrap;
    gap: 18px 26px;
  }
  .footer-small {
    margin-top: 30px;
  }
  .article {
    padding-top: 25px;
  }
  .back-link {
    margin-bottom: 36px;
  }
}
@media (max-width: 540px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .site-header {
    padding-top: 22px;
    gap: 17px;
  }
  .brand {
    font-size: 25px;
    gap: 9px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
  .brand-by {
    font-size: 9px;
  }
  .header-end {
    font-size: 11px;
  }
  .main-nav {
    font-size: 11px;
    gap: 23px;
    justify-content: start;
  }
  .main-nav a {
    padding-block: 11px;
  }
  .hero {
    padding-top: 43px;
  }
  .hero h1 {
    font-size: 3.2rem;
  }
  .kicker {
    font-size: 9px;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
  }
  .lead {
    font-size: 15px;
  }
  .hero-actions {
    gap: 12px 20px;
    margin-top: 25px;
  }
  .button {
    font-size: 12px;
    padding: 15px 17px;
    gap: 20px;
  }
  .text-link {
    font-size: 12px;
  }
  .hero-visual {
    margin-top: 6px;
  }
  .flow-card {
    padding: 22px;
  }
  .flow-label {
    font-size: 9px;
  }
  .flow-top {
    font-size: 8px;
  }
  .record-strip {
    gap: 5px;
  }
  .record-strip > span {
    font-size: 17px;
  }
  .flow-finding {
    font-size: 12px;
  }
  .stage {
    font-size: 9px;
  }
  .section {
    padding-block: 60px;
  }
  h2 {
    font-size: 2.25rem;
  }
  .check-grid {
    grid-template-columns: 1fr;
    margin-top: 34px;
    gap: 25px;
  }
  .check-card {
    position: relative;
    padding: 22px 0 0 46px;
  }
  .number {
    position: absolute;
    top: 24px;
    left: 0;
  }
  .check-card p {
    max-width: none;
  }
  .check-card h3 {
    font-size: 21px;
  }
  .example-heading h2 {
    font-size: 2.65rem;
  }
  .example-intro {
    font-size: 14px;
  }
  .data-table caption {
    padding: 16px 20px;
    font-size: 10px;
  }
  .finding {
    grid-template-columns: 30px 1fr;
    gap: 12px;
  }
  .finding-icon {
    font-size: 30px;
  }
  .finding p {
    font-size: 13px;
  }
  .inline-links {
    gap: 15px;
  }
  .steps h3 {
    font-size: 21px;
  }
  .notes-grid {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 30px;
  }
  .note-art {
    height: 180px;
  }
  .note-art-1 > span {
    font-size: 35px;
    padding: 6px 17px;
  }
  .note-art-2 {
    gap: 40px;
  }
  .note-art-2 > span {
    font-size: 29px;
  }
  .mini-checklist {
    font-size: 17px;
    padding: 16px 35px;
  }
  .note-card-copy {
    padding: 25px;
  }
  .note-card h3 {
    font-size: 23px;
  }
  .note-card p {
    font-size: 13px;
  }
  .about-intro p:not(.kicker) {
    font-size: 13px;
  }
  .contact h2 {
    font-size: 2.3rem;
  }
  .footer {
    padding-top: 40px;
  }
  .footer-small {
    flex-direction: column;
    gap: 12px;
  }
  .article h1 {
    font-size: 2.8rem;
  }
  .prose {
    font-size: 14px;
  }
  .prose h2 {
    font-size: 25px;
  }
  .prose table {
    font-size: 11px;
  }
  .prose th,
  .prose td {
    padding: 10px 4px;
  }
  .callout {
    padding: 18px;
  }
  .article-meta {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

.contact-address {
  margin-top: 1rem;
  overflow-wrap: anywhere;
  font-size: 0.875rem;
}

/* Snapshot offer, trigger strip and portfolio example (2026-09-12) */
.record-strip.strip-6 {
  grid-template-columns: repeat(6, 1fr);
}
.record-strip.strip-7 {
  grid-template-columns: repeat(7, 1fr);
}
.trigger {
  margin-top: 6px;
}
.trigger-inner {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-left: 4px solid var(--lime);
  border-radius: 14px;
  padding: 18px 22px;
  background: var(--white);
}
.trigger-badge {
  font:
    600 13px ui-monospace,
    monospace;
  color: var(--green);
  white-space: nowrap;
  padding-top: 3px;
}
.trigger p {
  margin: 0;
  font-size: 15px;
  max-width: 72ch;
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 44px 0 0;
}
.spec {
  margin: 0;
  padding: 24px 24px 26px;
  border: 1px solid var(--surface-line);
  border-radius: 16px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.spec dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0;
}
.spec dd {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.spec-lead {
  margin: 0;
  font-size: 21px;
  font-weight: 640;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--ink);
  text-wrap: balance;
}
.spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.spec-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.spec-list li::before {
  content: "✓";
  flex: none;
  width: 14px;
  color: var(--green);
  font-weight: 700;
}
.spec-excluded .spec-list li::before {
  content: "—";
  color: var(--warn);
}
.spec-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.spec-price {
  background: var(--lime-tint);
  border-color: var(--lime-line);
}
.spec-price .spec-lead {
  font-size: 36px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.spec-price .spec-lead small {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 8px;
  color: var(--green);
}
.offer-next {
  margin-top: 36px;
  font-size: 14px;
  color: var(--muted);
  max-width: 70ch;
  border-left: 2px solid var(--lime);
  padding-left: 16px;
}
.portfolio-table th,
.portfolio-table td {
  white-space: nowrap;
}
.portfolio-table td:nth-child(2) {
  font-family: inherit;
}
.portfolio-table td:nth-child(3) {
  font-family: ui-monospace, monospace;
}
@media (max-width: 820px) {
  .spec-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .trigger-inner {
    flex-direction: column;
    gap: 8px;
  }
}
@media (max-width: 540px) {
  .spec-grid {
    grid-template-columns: 1fr;
  }
  .record-strip.strip-6 {
    grid-template-columns: repeat(6, 1fr);
  }
  .record-strip.strip-7 {
    grid-template-columns: repeat(7, 1fr);
  }
}
.prose .example-table-wrap {
  color: var(--alt-fg);
  margin: 26px 0 10px;
}
.prose .offset-note {
  color: var(--muted);
  margin-bottom: 28px;
}
.prose .data-table {
  min-width: 640px;
}
.contact .kicker {
  color: var(--on-lime-muted);
}
.contact .kicker > span {
  background: var(--on-lime);
}
.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  cursor: pointer;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12px;
  font-weight: 560;
}
.theme-toggle[hidden] {
  display: none;
}
.theme-toggle:hover {
  background: var(--surface-2);
}
.theme-toggle .theme-icon {
  font-size: 14px;
  line-height: 1;
  color: var(--green);
}
@media (max-width: 540px) {
  .theme-toggle {
    padding: 8px 10px;
  }
  .theme-toggle .theme-name {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}