@import url('https://fonts.googleapis.com/css2?family=Inconsolata:wght@500;700&family=Noto+Sans:wght@400;700;850&display=swap');

:root {
  --people: #7146e8;
  --system: #005bd8;
  --progress: #008864;
  --people-tint: #e9e0ff;
  --system-tint: #dcebff;
  --progress-tint: #d6f3e7;
  --ink: #11171d;
  --paper: #f4f0e6;
  --white: #ffffff;
  --muted: #48545f;
  --focus: #ffbf47;
  --line: 2px solid var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans', system-ui, sans-serif;
  font-size: 1.125rem;
  line-height: 1.5;
}
a { color: inherit; }

.hero,
.campaign-line,
.journey,
.evidence,
.audience,
.letter,
.closing {
  width: min(100%, 1360px);
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
}
.brand {
  grid-column: span 4;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: max-content;
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand img { width: 44px; height: 44px; }


main { overflow: visible; }
h1,
h2,
h3,
p { margin-top: 0; }
h1 {
  max-width: 980px;
  margin-bottom: 32px;
  font-size: clamp(2.5rem, 4.6vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
}
h2 {
  margin-bottom: 24px;
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}
h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
  line-height: 1.16;
  letter-spacing: -0.02em;
}
p { color: var(--muted); }
.descriptor,
.index {
  color: var(--ink);
  font-family: 'Inconsolata', ui-monospace, monospace;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero {
  min-height: auto;
  padding-top: 56px;
  padding-bottom: 56px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: center;
}
.hero-copy { grid-column: span 7; align-self: center; }
.lead { max-width: 740px; font-size: clamp(1.125rem, 1.6vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; align-items: stretch; gap: 16px; margin-top: 40px; }
.actions .button { min-height: 56px; text-align: center; }
.syntax-board {
  grid-column: 8 / -1;
  position: relative;
  min-height: 0;
  border: var(--line);
  background: var(--white);
  padding: 32px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}
.syntax-board h2 { max-width: 460px; font-size: clamp(1.5rem, 2vw, 2rem); }
.brand-diagram {
  display: block;
  width: min(100%, 208px);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  justify-self: center;
  align-self: center;
  margin: 16px 0;
}
.syntax-list {
  margin: 0;
  border-top: var(--line);
  display: grid;
}
.syntax-list div { display: grid; grid-template-columns: 118px 1fr; gap: 14px; padding: 14px 0; }
.syntax-list div + div { border-top: var(--line); }
.syntax-list dt { font-weight: 850; }
.syntax-list dd { margin: 0; color: var(--muted); }

.campaign-line {
  padding-top: 30px;
  padding-bottom: 30px;
  border-top: var(--line);
  border-bottom: var(--line);
}
.campaign-line p {
  margin: 0;
  color: var(--ink);
  font-weight: 850;
  font-size: clamp(1.5rem, 2.8vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.journey,
.evidence,
.audience,
.letter {
  padding-top: 64px;
  padding-bottom: 64px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.journey-head,
.evidence-copy,
.audience-head,
.letter-copy { grid-column: span 5; }
.journey-track {
  grid-column: 6 / -1;
  position: relative;
  display: grid;
  gap: 0;
  border: var(--line);
  background: var(--white);
}
.journey-track::before {
  content: "";
  position: absolute;
  left: 64px;
  top: 86px;
  bottom: 86px;
  width: 2px;
  background: var(--ink);
}
.node {
  position: relative;
  min-height: 176px;
  padding: 28px 28px 28px 130px;
}
.node + .node { border-top: var(--line); }
.node-shape { position: absolute; left: 36px; top: 36px; z-index: 2; }
.circle-shape { width: 58px; height: 58px; border-radius: 50%; background: var(--people); }
.square-shape { width: 58px; height: 58px; background: var(--system); }
.triangle-shape { width: 0; height: 0; border-left: 32px solid transparent; border-right: 32px solid transparent; border-bottom: 58px solid var(--progress); }
.index { display: block; margin-bottom: 10px; }
.node p { max-width: 520px; margin-bottom: 0; }
.people-node { background: var(--people-tint); }
.system-node { background: var(--system-tint); }
.progress-node { background: var(--progress-tint); }

.evidence-console {
  grid-column: 6 / -1;
  align-self: start;
  border: var(--line);
  background: var(--ink);
  padding: 32px;
  font-family: 'Inconsolata', ui-monospace, monospace;
}
.evidence-console p {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
}
.evidence-console p + p { margin-top: 18px; }
.dot { display: inline-block; width: 18px; height: 18px; margin-right: 12px; vertical-align: -2px; }
.people-dot { border-radius: 50%; background: var(--people); }
.system-dot { background: var(--system); }
.progress-dot { width: 0; height: 0; background: transparent; border-left: 11px solid transparent; border-right: 11px solid transparent; border-bottom: 19px solid var(--progress); }

.reader-paths {
  grid-column: 6 / -1;
  border: var(--line);
  background: var(--white);
}
.reader-paths article { padding: 28px; }
.reader-paths article + article { border-top: var(--line); }
.reader-paths p { max-width: 600px; margin-bottom: 0; }

.letter { align-items: start; }
.letter-copy .descriptor { color: var(--people); margin-bottom: 20px; }
.letter-copy h2 { font-size: clamp(2rem, 3.2vw, 3rem); line-height: 1.12; }
.letter-copy > p { max-width: 38rem; }
.letter-copy .button { margin-top: 8px; }
.letter-copy .letter-support-note { margin: 16px 0 0; font-size: .875rem; max-width: 34em; }
.letter-asks { grid-column: 7 / -1; border-top: 3px solid var(--people); padding-top: 24px; }
.letter-asks > h3 { margin-bottom: 24px; }
.letter-commitments { list-style: none; padding: 0; margin: 0; }
.letter-commitments li { padding: 20px 0; border-top: 1px solid #11171d26; }
.letter-commitments li:first-child { padding-top: 0; border-top: 0; }
.letter-commitments li:last-child { padding-bottom: 0; }
.letter-commitments h4 { margin: 0 0 8px; font-size: 1.125rem; line-height: 1.35; }
.letter-commitments p { margin: 0; font-size: 1rem; max-width: 36em; }

.closing { padding-top: 80px; padding-bottom: 100px; border-top: var(--line); }
.closing h2 { max-width: 900px; }


@media (max-width: 980px) {
  .hero,
  .journey,
  .evidence,
  .audience,
  .letter { grid-template-columns: 1fr; }
  .brand,
  .hero-copy,
  .syntax-board,
  .journey-head,
  .evidence-copy,
  .audience-head,
  .letter-copy,
  .journey-track,
  .evidence-console,
  .reader-paths,
  .letter-asks { grid-column: 1; }
  .letter { gap: 40px; }
  .hero { min-height: auto; }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .hero,
  .campaign-line,
  .journey,
  .evidence,
  .audience,
  .letter,
  .closing { padding-left: 20px; padding-right: 20px; }
  .hero { padding-top: 52px; }
  .actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .syntax-board,
  .evidence-console { padding: 22px; }
  .syntax-list div { grid-template-columns: 1fr; }
  .node { padding: 104px 22px 24px; }
  .journey-track::before { left: 52px; }
  .node-shape { left: 24px; }
}

/* Shared marketing navigation and footer. */
[id] { scroll-margin-top: 116px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.skip-link { position: fixed; top: 16px; left: 24px; z-index: 100; padding: 12px 20px; background: var(--white); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--paper); border-bottom: 1px solid #11171d26; }
.header-inner, .footer-inner { max-width: 1360px; margin: auto; padding: 0 48px; }
.header-inner { min-height: 104px; display: flex; align-items: center; gap: 32px; }
.brand { flex-shrink: 0; font-size: 1.5625rem; gap: 12px; }
.brand img { width: 56px; height: 56px; }
.header-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.header-nav a { display: inline-flex; align-items: center; min-height: 48px; font-size: 1rem; font-weight: 700; text-decoration: none; white-space: nowrap; }
.header-nav a:hover, .footer-nav a:hover { text-decoration: underline; text-underline-offset: 6px; }
.header-cta { background: var(--people); color: white; border-color: var(--people); }
.header-cta:hover { background: var(--ink); border-color: var(--ink); }
.site-footer { background: var(--people-tint); }
.footer-invitation { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 64px 0; border-bottom: 1px solid #11171d40; }
.footer-invitation h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.08; letter-spacing: -.055em; }
.footer-invitation .button { flex-shrink: 0; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 64px; padding: 56px 0 64px; }
.footer-brand .brand { margin-bottom: 24px; }
.footer-brand p { max-width: 380px; font-size: 1rem; color: var(--ink); }
.footer-brand p:last-child { color: var(--muted); margin-bottom: 0; }
.footer-content h3 { margin: 16px 0 20px; font-size: 1.125rem; }
.footer-nav { display: flex; flex-direction: column; align-items: flex-start; }
.footer-nav a { display: flex; align-items: center; min-height: 44px; font-size: 1rem; text-decoration: none; }
.footer-letter p { font-size: 1rem; color: var(--ink); }
.footer-letter a { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; font-size: 1rem; text-underline-offset: 5px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding: 24px 0; border-top: 1px solid #11171d40; font-size: 0.875rem; }
.footer-bottom p { margin: 0; color: var(--ink); }
.footer-bottom a { padding: 12px 0; text-underline-offset: 5px; }
@media (max-width: 1100px) {
  .header-inner { flex-wrap: wrap; gap: 8px 24px; padding-top: 16px; padding-bottom: 12px; }
  .header-cta { margin-left: auto; }
  .header-nav { order: 3; flex-basis: 100%; margin: 0; }
  [id] { scroll-margin-top: 164px; }
  .footer-content { gap: 32px; }
  .footer-invitation { align-items: flex-start; flex-direction: column; gap: 24px; }
}
@media (max-width: 640px) {
  .header-inner, .footer-inner { padding-left: 20px; padding-right: 20px; }
  .site-header { position: relative; }
  [id] { scroll-margin-top: 24px; }
  .header-inner { gap: 12px; }
  .header-inner .brand { font-size: 1.3125rem; }
  .header-inner .brand img { width: 44px; height: 44px; }
  .header-cta { gap: 8px; }
  .header-cta span { display: none; }
  .header-nav { gap: 24px; }
  .header-nav a { font-size: 0.875rem; }
  .footer-content { grid-template-columns: 1fr 1fr; gap: 24px; padding: 40px 0; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-invitation { padding: 48px 0; }
  .footer-bottom { gap: 12px 24px; }
}

.syntax-list { font-size: 0.9375rem; }
.syntax-list div { grid-template-columns: 88px 1fr; padding: 10px 0; }
@media (max-width: 560px) { .syntax-list div { grid-template-columns: 1fr; gap: 4px; } }

.footer-social { display: flex; flex-wrap: wrap; gap: 8px 32px; padding: 16px 0 24px; }
.footer-social a { display: inline-flex; align-items: center; min-height: 44px; font-size: 1rem; text-underline-offset: 5px; }

.toolkit { max-width: 1264px; margin: 0 auto 56px; padding: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: var(--system-tint); }
.toolkit h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 16px; }
.toolkit p { color: var(--ink); }
.toolkit code { font-family: 'Inconsolata', monospace; overflow-wrap: anywhere; }
.toolkit-install pre { padding: 20px; background: var(--ink); color: var(--white); white-space: pre-wrap; }
.toolkit-install p { font-size: 0.9375rem; margin-bottom: 0; }
@media (max-width: 1360px) { .toolkit { margin-left: 48px; margin-right: 48px; } }
@media (max-width: 800px) { .toolkit { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 560px) { .toolkit { margin-left: 20px; margin-right: 20px; padding: 24px; } }

.toolkit-packages { grid-column: 1 / -1; border-top: 1px solid #11171d40; padding-top: 20px; }
.toolkit-packages summary { cursor: pointer; font-weight: 700; padding: 12px 0; }
.toolkit-packages summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
.toolkit-packages ul { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; margin: 24px 0 0; }
.toolkit-packages a { display: inline-block; padding: 10px 0; font-family: 'Inconsolata', monospace; font-weight: 700; text-underline-offset: 4px; }
.toolkit-packages p { font-size: 1rem; margin: 0; }
@media (max-width: 640px) { .toolkit-packages ul { grid-template-columns: 1fr; } }

.reader-page { background: var(--paper); }
.reader-header { padding: 16px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #11171d26; }
.reader-header > a:last-child, .reader-end a { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 4px; font-size: 1rem; }
.reader-main { max-width: 1440px; padding: 32px; margin: auto; overflow: visible; }
.reader-heading { display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.reader-heading h1 { max-width: 680px; margin: 0 0 12px; font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: -.035em; }
.reader-heading p { font-size: 1rem; margin: 0; }
.reader-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }

.reader-help { font-size: 0.875rem; margin: 24px 0 16px; max-width: 900px; }
.pdf-reader { display: block; width: 100%; height: 78vh; min-height: 520px; border: 1px solid #11171d40; background: white; }
.reader-end { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin: 16px 0 0; }
@media (max-width: 980px) { .reader-heading { flex-direction: column; align-items: flex-start; } }
@media (max-width: 560px) { .reader-header { padding: 12px 20px; flex-wrap: wrap; gap: 4px 16px; } .reader-main { padding: 24px 20px; } .reader-actions { width: 100%; } .reader-actions .button { flex: 1; } .pdf-reader { min-height: 440px; height: 70vh; } }

.custom-viewer { margin-top: 32px; border: 1px solid #11171d40; background: #e5e7e9; }
.viewer-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 16px 20px; background: var(--white); border-bottom: 1px solid #11171d40; }
.viewer-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 0.9375rem; }
.viewer-controls button, .viewer-controls select { font: inherit; min-height: 44px; padding: 8px 12px; border: 1px solid var(--ink); color: var(--ink); background: white; }
.viewer-controls button { cursor: pointer; font-weight: 700; }
.viewer-controls button[aria-pressed="true"] { background: var(--people); color: white; }
.viewer-controls :disabled { opacity: .45; cursor: default; }
.viewer-controls :focus-visible, .page-stage:focus-visible, .page-text:focus-visible { outline: 3px solid var(--people); outline-offset: 3px; }
.viewer-status { padding: 12px 20px; margin: 0; color: var(--ink); font-size: 0.875rem; }
.page-stage { overflow: auto; max-height: 85vh; padding: 0 16px 24px; }
.pdf-page { width: max-content; min-width: 100%; }
.rendered-page { position: relative; margin: 0 auto; background: white; box-shadow: 0 3px 12px #11171d20; }
.rendered-page canvas { display: block; }
.page-text { max-width: 760px; background: white; margin: 0 auto 24px; padding: 32px; }
.page-text h2 { font-size: 1.5rem; }
.page-text p { color: var(--ink); margin-bottom: 8px; line-height: 1.65; }
[hidden] { display: none !important; }
@media(max-width:560px) { .viewer-toolbar { padding: 12px; } .viewer-controls { gap: 8px; font-size: 0.875rem; } .page-text { padding: 20px; } }

.letter-support { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; margin: 48px 0 24px; align-items: start; }
.signature-panel, .share-panel { padding: 32px; background: var(--people-tint); }
.share-panel { background: var(--system-tint); }
.letter-support h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.letter-support p { color: var(--ink); }
.signature-count { font-weight: 700; }
.letter-support label { display: block; font-weight: 700; margin-bottom: 8px; }
.letter-support input:not([type=checkbox]) { width: 100%; min-height: 48px; padding: 12px; border: 1px solid var(--ink); font: inherit; background: white; }
.letter-support .consent { display: flex; align-items: flex-start; gap: 12px; margin: 24px 0 16px; font-weight: 400; font-size: 1rem; }
.consent input { width: 24px; height: 24px; margin: 0; flex-shrink: 0; accent-color: var(--people); }
.signature-note { font-size: 0.875rem; line-height: 1.6; margin-top: 16px; }
.letter-support :is(input,button):focus-visible, .signature-data summary:focus-visible { outline: 3px solid var(--people); outline-offset: 4px; }
.signature-trap { position: absolute; left: -10000px; }
.share-actions, .share-links { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.share-links { margin: 20px 0; }
.share-links a { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 4px; }
.signature-data { max-width: 900px; margin: 24px 0 40px; }
.signature-data summary { cursor: pointer; padding: 12px 0; font-weight: 700; }
.signature-data p { font-size: 0.9375rem; }
.reader-heading { flex-wrap: wrap; }
.reader-actions { flex-shrink: 1; }
@media(max-width:800px) { .letter-support { grid-template-columns: 1fr; gap: 24px; } }
@media(max-width:560px) { .signature-panel, .share-panel { padding: 24px; } }

.letter-support .email-label { margin-top: 20px; }

/* PDF pages rendered from the source document, with a script-free reading path. */
.rendered-page > img { display: block; width: 100%; height: auto; }
.letter-fallback-page { padding: 16px; }
.letter-fallback-page > img { display: block; width: 100%; height: auto; }
.letter-fallback-page h2 { font-size: 1.25rem; }
.letter-fallback-page details { background: white; padding: 16px; }
.letter-fallback-page summary { cursor: pointer; min-height: 44px; }

/* HTML is the primary reading surface; the PDF is an optional companion. */
.reader-main { max-width: 824px; padding-top: 48px; }
.reader-heading { display: flex; flex-direction: column; align-items: stretch; gap: 28px; }
.reader-heading h1 { max-width: none; margin-bottom: 16px; }
.reader-actions { padding-bottom: 28px; border-bottom: 1px solid #11171d26; }
.page-text { width: 100%; max-width: none; margin: 28px 0 48px; padding: 0; background: transparent; overflow-wrap: anywhere; }
.page-text > p:first-child { margin: 0 0 28px; font-size: 1rem; color: var(--muted); }
.page-text h2 { font-size: 1.3125rem; margin: 36px 0 16px; }
.page-text p { margin: 0 0 20px; }
@media (max-width: 560px) { .reader-main { padding-top: 28px; } .reader-heading { gap: 24px; } .reader-actions { padding-bottom: 24px; } }
#zoom-status:empty { display: none; }
.viewer-ready { display: flex; flex-direction: column; height: calc(100dvh - 32px); min-height: 0; scroll-margin-top: 16px; }
.viewer-ready > :is(#viewer-controls-root, .viewer-status) { flex-shrink: 0; }
.viewer-ready .page-stage { flex: 1; min-height: 0; max-height: none; overscroll-behavior: contain; }
.viewer-ready .page-stage:focus-visible { outline-offset: -4px; }
.viewer-expanded { height: auto; }
.viewer-expanded .page-stage { flex: auto; max-height: 60dvh; }

@media (min-width: 1100px) {
  .reader-main.pdf-open { max-width: 1680px; display: grid; grid-template-columns: minmax(340px, 0.95fr) minmax(0, 1.05fr); column-gap: 40px; align-items: start; }
  .pdf-open > * { grid-column: 1; }
  .pdf-open > .custom-viewer { grid-column: 2; grid-row: 1 / 7; margin-top: 0; }
  .pdf-open > .viewer-ready:not(.viewer-expanded) { position: sticky; top: 16px; }
  .pdf-open .reader-heading { align-items: flex-start; }
  .pdf-open .reader-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .pdf-open .letter-support { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 16px; }
  .pdf-open > #viewer-portals { grid-column: 1 / -1; }
}

/* Reflow without hiding content when text size or spacing is increased. */
:is(main, section, article, aside, nav, header, footer, form, .header-inner, .footer-inner) > * { min-width: 0; }
h1, h2, h3, p, dt, dd, a, button, label, summary { overflow-wrap: anywhere; }
.header-nav { flex-wrap: wrap; }
.header-nav a { white-space: normal; }
.brand { max-width: 100%; flex-wrap: wrap; }
.brand img { flex-shrink: 0; }
@media(max-width:560px) {
  .footer-content { grid-template-columns: minmax(0,1fr); }
  .reader-actions { grid-template-columns: minmax(0,1fr); }
  .ui-control-group { flex-wrap: wrap; }
  .ui-control-group > .ui-button { flex-shrink: 1; }
}
@media(max-height:600px) { .site-header { position: relative; } }
@media(forced-colors:active) {
  .button, .ui-button, .ui-select-trigger, input, textarea { border-color: ButtonText; }
  :is(a,button,input,textarea,summary,[tabindex]):focus-visible { outline: 3px solid Highlight; box-shadow: none; }
}

/* Supplied master artwork: intrinsic proportions and built-in spacing. */
.brand img.master-lockup { width: 214px; height: auto; aspect-ratio: 427 / 88; max-width: 100%; flex-shrink: 1; }
@media (max-width: 600px) { .header-inner .brand img.master-lockup, .reader-header .brand img.master-lockup { width: 190px; height: auto; } }