/* Public professional center. Owners: foundation/tokens, navigation, reference
   collections, planning tools and source-linked guides. No runtime overrides. */
:root {
  --ink: #18312b;
  --muted: #5b6c63;
  --line: #dce3dc;
  --paper: #f4f6f2;
  --accent: #1b604b;
  --surface: #fff;
  --danger: #9d332c;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
  font-size: 16px;
  line-height: 1.6;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: var(--accent);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}
button:hover,
.button:hover {
  filter: brightness(0.94);
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid #c48b28;
  outline-offset: 4px;
}
.secondary {
  background: #fff;
  color: var(--ink);
  border-color: #b7c7bb;
}
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 36px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -1.5px;
  max-width: 800px;
}
h2 {
  font-size: 27px;
  line-height: 1.25;
  letter-spacing: -0.6px;
}
h3 {
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.3px;
}
p + p {
  margin-top: 14px;
}
[hidden] {
  display: none !important;
}
.skip {
  position: absolute;
  top: -100px;
  left: 20px;
  background: #fff;
  padding: 12px;
  z-index: 10;
}
.skip:focus {
  top: 8px;
}
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 82px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}
.brand {
  font-weight: 850;
  font-size: 20px;
  letter-spacing: -0.7px;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.brand b {
  color: var(--accent);
}
nav {
  display: flex;
  align-items: center;
  gap: 23px;
}
nav a {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
}
nav .workspace-link {
  padding: 7px 11px;
  background: #eaf0e9;
  border-radius: 4px;
  color: var(--accent);
}
.eyebrow,
.entry-code {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 740px;
  margin-top: 18px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 24px;
}
.center-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 70px;
  padding: 55px 0 45px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.center-intro h1 {
  max-width: 620px;
}
.intro-index {
  border: 1px solid var(--line);
  padding: 24px 26px;
  background: #fff;
  border-radius: 6px;
}
.intro-index h2 {
  font-size: 15px;
  margin-bottom: 12px;
}
.intro-index a {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.intro-index a:last-child {
  border: 0;
}
.intro-index strong {
  font-size: 29px;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  min-width: 45px;
}
.intro-index a span:last-child {
  margin-left: auto;
}
.section {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 24px;
}
.section-heading a {
  font-size: 13px;
  white-space: nowrap;
}
.section-heading p:not(.eyebrow) {
  font-size: 14px;
  color: var(--muted);
}
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.entry-grid article {
  padding: 25px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.entry-grid h3 a {
  color: var(--ink);
  text-decoration: none;
}
.entry-grid p:not(.entry-code) {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}
.entry-action {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
}
.tool-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.tool-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1.7fr) minmax(150px, 1fr) 20px;
  gap: 20px;
  align-items: center;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}
.tool-list li:last-child .tool-link {
  border-bottom: 0;
}
.tool-link h2,
.tool-link h3 {
  font-size: 20px;
  line-height: 1.35;
}
.tool-link p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}
.tool-index {
  font-size: 12px;
  color: var(--muted);
  align-self: start;
  padding-top: 4px;
}
.tool-output {
  font-size: 12px;
  color: var(--muted);
}
.tool-arrow {
  font-size: 22px;
  color: var(--accent);
}
.working-section {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 65px;
}
.working-section > div > p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15px;
  max-width: 600px;
}
.working-section .button {
  margin-top: 22px;
}
.work-sequence > div {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 3px 17px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.work-sequence > div:last-child {
  border-bottom: 0;
}
.work-sequence span {
  font-size: 11px;
  color: var(--muted);
  grid-row: span 2;
  padding-top: 4px;
}
.work-sequence h3 {
  font-size: 16px;
}
.work-sequence p {
  font-size: 13px;
  color: var(--muted);
}
.strategy-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 35px;
}
.strategy-link h2 {
  font-size: 22px;
}
.strategy-link p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}
.strategy-link > a {
  flex-shrink: 0;
  font-size: 14px;
}
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: #edf1e9;
}
.footer-inner {
  padding-top: 30px;
  padding-bottom: 30px;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}
.footer-inner .brand {
  font-size: 16px;
}
.page-intro {
  padding: 42px 0 30px;
}
.page-intro p:not(.lead):not(.eyebrow) {
  font-size: 13px;
  color: var(--muted);
  margin-top: 15px;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 25px;
}
.crumb + .page-intro {
  padding-top: 25px;
}
.article {
  max-width: 850px;
  padding: 35px 0;
}
.article h1 {
  font-size: 36px;
  margin-bottom: 25px;
}
.article h2 {
  font-size: 23px;
  margin: 30px 0 15px;
}
.article p,
.article li {
  font-size: 16px;
  line-height: 1.8;
}
.article li {
  margin-bottom: 12px;
}
.source {
  font-size: 12px;
  color: var(--muted);
  padding: 28px 0;
  overflow-wrap: anywhere;
}
.reference-filters {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 0 0 24px;
}
.reference-filters p {
  font-size: 12px;
  color: var(--muted);
  padding: 10px 0;
}
.reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 35px;
}
.reference-entry {
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 20px;
  min-width: 0;
}
.reference-entry:target {
  background: #e8efe3;
  outline: 10px solid #e8efe3;
}
.reference-entry h2 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 10px;
}
.reference-entry p:not(.entry-code) {
  font-size: 14px;
  color: var(--muted);
}
.reference-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 15px;
}
.reference-entry .entry-code {
  margin-bottom: 7px;
}
.compare-choice {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  white-space: nowrap;
  padding-top: 4px;
}
.compare-choice input {
  width: 16px;
  min-height: 0;
  height: 16px;
  margin: 0;
  flex: none;
}
.reference-entry details {
  margin-top: 17px;
  font-size: 13px;
}
.reference-entry summary {
  cursor: pointer;
  color: var(--accent);
}
.reference-entry details ul {
  padding-left: 20px;
  columns: 2;
  column-gap: 25px;
  margin-bottom: 0;
}
.reference-entry details li {
  break-inside: avoid;
  margin-bottom: 7px;
  font-size: 12px;
}
.comparison-panel {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 24px;
}
.comparison-panel h2 {
  font-size: 20px;
  margin-bottom: 20px;
}
.comparison-panel table {
  font-size: 13px;
}
.comparison-panel td {
  min-width: 170px;
  max-width: 280px;
}
.comparison-panel th {
  min-width: 100px;
}
.comparison-panel .table-wrap {
  margin: 0;
}
label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
}
input,
select,
textarea {
  font: inherit;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid #b9c8bd;
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  padding: 9px 11px;
  min-height: 42px;
}
textarea {
  resize: vertical;
}
.workspace {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 22px;
}
.fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.field {
  min-width: 0;
}
.wide {
  grid-column: 1/-1;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 23px 0 0;
}
.status {
  font-size: 13px;
  color: var(--accent);
  margin-top: 18px;
}
.status:empty {
  display: none;
}
.status.error {
  color: var(--danger);
}
.note {
  font-size: 13px;
  color: var(--muted);
  max-width: 850px;
}
.note.section {
  border: 0;
  padding: 0 0 25px;
}
.media-row {
  padding: 22px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  margin: 0 0 20px;
}
.media-row:first-child {
  padding-top: 5px;
}
.media-row legend {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 0;
}
.row-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 20px;
}
.row-head .field {
  flex: 1;
}
.media-fields {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 20px;
  background: #eef3e9;
  margin: 24px 0;
}
.result-grid dt {
  font-size: 12px;
  color: var(--muted);
}
.result-grid dd {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin: 7px 0 0;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}
.result-grid dd.text-value {
  font-size: 19px;
}
.table-wrap,
.table-scroll {
  overflow: auto;
  margin: 22px 0;
  max-width: 100%;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}
th {
  text-align: left;
  font-weight: 600;
  background: #edf2e9;
  white-space: nowrap;
}
td,
th {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
td {
  font-variant-numeric: tabular-nums;
}
.output-text {
  font-size: 15px;
  padding: 20px;
  background: #eef3e9;
  overflow-wrap: anywhere;
  margin-top: 22px;
}
.experiment-preview {
  padding-top: 24px;
  max-width: 800px;
}
.experiment-preview h2 {
  font-size: 23px;
  margin-bottom: 20px;
}
.experiment-preview h3 {
  font-size: 16px;
  margin-top: 20px;
}
.experiment-preview p {
  margin-top: 7px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
@media (max-width: 1000px) {
  .wrap {
    padding: 0 26px;
  }
  nav {
    gap: 15px;
  }
  .header-inner {
    gap: 20px;
  }
  .brand {
    font-size: 17px;
  }
  .center-intro {
    gap: 30px;
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, 1fr);
  }
  h1 {
    font-size: 36px;
  }
  .entry-grid {
    gap: 16px;
  }
  .entry-grid article {
    padding: 20px;
  }
  .entry-grid h3 {
    font-size: 18px;
  }
  .working-section {
    gap: 35px;
  }
  .fields,
  .media-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tool-link {
    grid-template-columns: 25px minmax(0, 1fr) 160px 15px;
    gap: 16px;
  }
  .reference-filters {
    grid-template-columns: 1.5fr 1fr;
  }
  .reference-filters p {
    grid-column: 1/-1;
    padding: 0;
  }
  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .header-inner {
    flex-wrap: wrap;
    padding-top: 18px;
    padding-bottom: 15px;
  }
  .header-inner nav {
    width: 100%;
    justify-content: space-between;
  }
  .footer-inner {
    flex-wrap: wrap;
  }
}
@media (max-width: 620px) {
  .wrap {
    padding: 0 18px;
  }
  .header-inner {
    gap: 13px;
    padding-top: 16px;
    padding-bottom: 14px;
  }
  .brand {
    font-size: 18px;
  }
  nav {
    gap: 15px;
    flex-wrap: wrap;
  }
  .header-inner nav {
    justify-content: flex-start;
  }
  nav a {
    font-size: 12px;
  }
  .center-intro {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 32px 0;
  }
  .center-intro h1,
  h1 {
    font-size: 32px;
    letter-spacing: -1px;
  }
  .lead {
    font-size: 17px;
    margin-top: 15px;
  }
  .actions {
    margin-top: 20px;
  }
  .actions .button {
    font-size: 13px;
  }
  .intro-index {
    padding: 18px 20px;
  }
  .intro-index a {
    padding: 10px 0;
  }
  .intro-index strong {
    font-size: 25px;
  }
  .section {
    padding: 30px 0;
  }
  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
  }
  h2 {
    font-size: 25px;
  }
  .entry-grid,
  .working-section,
  .reference-grid {
    grid-template-columns: 1fr;
  }
  .entry-grid {
    gap: 13px;
  }
  .entry-grid article {
    padding: 21px;
  }
  .entry-grid h3 {
    font-size: 20px;
  }
  .working-section {
    gap: 25px;
  }
  .tool-link {
    grid-template-columns: 24px minmax(0, 1fr) 18px;
    gap: 12px;
    padding: 20px 0;
  }
  .tool-link h2,
  .tool-link h3 {
    font-size: 19px;
  }
  .tool-output {
    grid-column: 2;
    font-size: 11px;
  }
  .tool-arrow {
    grid-column: 3;
    grid-row: 1;
  }
  .tool-index {
    grid-row: span 2;
  }
  .tool-link p {
    font-size: 13px;
  }
  .strategy-link {
    align-items: start;
    flex-direction: column;
    gap: 18px;
  }
  .footer-inner {
    align-items: start;
    flex-direction: column;
    gap: 12px;
    padding-top: 25px;
    padding-bottom: 25px;
  }
  .page-intro {
    padding: 30px 0 24px;
  }
  .crumb {
    margin-top: 20px;
  }
  .article {
    padding-top: 25px;
  }
  .article h1 {
    font-size: 30px;
  }
  .article h2 {
    font-size: 22px;
  }
  .reference-filters {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 18px;
  }
  .reference-heading {
    gap: 12px;
  }
  .reference-entry h2 {
    font-size: 21px;
  }
  .compare-choice {
    font-size: 11px;
  }
  .reference-entry details ul {
    columns: 1;
  }
  .comparison-panel {
    padding: 17px;
  }
  .workspace {
    padding: 18px;
  }
  .fields,
  .media-fields {
    grid-template-columns: 1fr 1fr;
    gap: 16px 12px;
  }
  .fields > .field.wide {
    grid-column: 1/-1;
  }
  .fields label {
    font-size: 12px;
  }
  .row-head {
    gap: 12px;
  }
  .row-head button {
    font-size: 11px;
    padding: 8px 10px;
  }
  .form-actions {
    gap: 8px;
  }
  .form-actions button {
    font-size: 12px;
  }
  .result-grid {
    padding: 17px;
    gap: 18px 13px;
  }
  .result-grid dd {
    font-size: 24px;
  }
  .result-grid dd.text-value {
    font-size: 17px;
  }
  td,
  th {
    padding: 10px 12px;
  }
  .article table {
    display: block;
    overflow: auto;
  }
  .tool-list {
    border-top: 1px solid var(--line);
  }
}