:root {
  --ink: #16231d;
  --paper: #f5f0e2;
  --paper-deep: #e8dfcc;
  --gum: #1f5044;
  --gum-dark: #143c34;
  --clay: #a83f2c;
  --sky: #b7d7d2;
  --sun: #e8bd58;
  --line: rgba(22, 35, 29, .24);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 48rem);
  z-index: -1;
}
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--clay); outline-offset: 4px; }
button { font: inherit; }
img, svg { max-width: 100%; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
}
.skip-link:focus { top: 1rem; }

.site-header {
  width: min(calc(100% - 2rem), var(--max));
  margin: 1rem auto 0;
  border: 1px solid var(--ink);
  background: rgba(245, 240, 226, .95);
}
.masthead {
  min-height: 5.2rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.2rem;
  padding: .8rem;
}
.brand {
  display: grid;
  grid-template-columns: 3.4rem auto;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  line-height: 1.1;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  background: var(--gum);
  color: white;
  border-radius: 50%;
  font-weight: 900;
  letter-spacing: -.08em;
}
.brand strong { display: block; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.brand small { display: block; margin-top: .3rem; color: rgba(22,35,29,.72); }
.header-note {
  justify-self: center;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .15em;
}
.menu-button {
  display: none;
  border: 1px solid var(--ink);
  background: transparent;
  padding: .65rem .85rem;
  font-weight: 800;
}
.site-nav {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--ink);
  overflow-x: auto;
}
.site-nav a {
  flex: 1 0 auto;
  padding: .72rem .85rem;
  border-right: 1px solid var(--ink);
  text-align: center;
  text-decoration: none;
  font-size: .78rem;
  font-weight: 800;
}
.site-nav a:last-child { border-right: 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--sun); }
.site-nav .nav-cta { background: var(--clay); color: white; }

main { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto 4rem; }
.field-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(17rem, .58fr);
  border: 1px solid var(--ink);
  border-top: 0;
  background: var(--paper);
}
.hero-copy { padding: clamp(3rem, 8vw, 7.8rem) clamp(1.4rem, 6vw, 6.4rem); }
.kicker {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: 0 0 1.2rem;
  color: var(--gum);
  text-transform: uppercase;
  letter-spacing: .17em;
  font-size: .72rem;
  font-weight: 900;
}
.kicker::before { content: ""; width: 2.6rem; border-top: 3px solid var(--clay); }
h1, h2, h3, p { margin-top: 0; }
h1, .display {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 7vw, 7.2rem);
  line-height: .91;
  letter-spacing: -.058em;
  font-weight: 500;
}
.lede { max-width: 62ch; font-size: clamp(1.08rem, 2vw, 1.38rem); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.2rem; margin-top: 2.2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: .75rem 1.1rem;
  border: 1px solid var(--ink);
  background: var(--clay);
  color: white;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 5px 5px 0 var(--ink);
}
.button:hover { transform: translate(2px,2px); box-shadow: 3px 3px 0 var(--ink); }
.text-link { font-weight: 900; }
.field-index {
  display: grid;
  align-content: space-between;
  padding: 1.4rem;
  border-left: 1px solid var(--ink);
  background: var(--gum-dark);
  color: white;
}
.index-code { font-size: clamp(4rem, 9vw, 8rem); line-height: .8; color: var(--sky); font-weight: 900; letter-spacing: -.09em; }
.field-index dl { margin: 3rem 0 0; }
.field-index div { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: .8rem 0; border-top: 1px solid rgba(255,255,255,.28); }
.field-index dt { color: var(--sky); font-size: .7rem; text-transform: uppercase; letter-spacing: .13em; }
.field-index dd { margin: 0; text-align: right; font-weight: 800; }

.section { padding: clamp(3rem, 7vw, 7rem) clamp(1.2rem, 5vw, 5rem); border: 1px solid var(--ink); border-top: 0; }
.section-head { display: grid; grid-template-columns: minmax(10rem,.55fr) 1.45fr; gap: clamp(2rem,7vw,7rem); margin-bottom: 3rem; }
.section-head h2, .section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.2vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.045em;
  font-weight: 500;
}
.section-head .intro { max-width: 62ch; font-size: 1.12rem; }
.signal-grid, .route-grid, .source-grid, .fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.signal, .route-card, .source-card, .fact {
  min-width: 0;
  padding: clamp(1.35rem, 3vw, 2.5rem);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: rgba(255,255,255,.22);
}
.signal .number, .route-card .number, .fact .label { color: var(--clay); font-size: .72rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.signal h3, .route-card h3, .source-card h3 { margin: .8rem 0; font-size: 1.25rem; line-height: 1.2; }
.signal p, .route-card p, .source-card p { margin-bottom: 0; }
.route-card a, .source-card a { font-weight: 900; }
.source-grid { grid-template-columns: repeat(2, 1fr); }
.source-card { display: grid; align-content: start; gap: .65rem; text-decoration: none; }
.source-card:hover { background: var(--sky); }
.source-card .domain { color: var(--gum); font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; }
.fact-grid { grid-template-columns: repeat(4, 1fr); }
.fact strong { display: block; margin-top: .5rem; font-size: 1.2rem; }

.ink-band { background: var(--ink); color: white; }
.ink-band .kicker { color: var(--sky); }
.ink-band .section-head h2 { color: var(--paper); }
.ledger { display: grid; border: 1px solid rgba(255,255,255,.45); }
.ledger-row { display: grid; grid-template-columns: minmax(7rem,.45fr) 1.55fr; gap: 1.4rem; padding: 1.2rem; border-bottom: 1px solid rgba(255,255,255,.28); }
.ledger-row:last-child { border-bottom: 0; }
.ledger-row b { color: var(--sky); text-transform: uppercase; letter-spacing: .1em; font-size: .76rem; }
.ledger-row p { margin: 0; }

.note {
  padding: 1.4rem;
  border-left: 8px solid var(--clay);
  background: var(--paper-deep);
}
.note > :last-child { margin-bottom: 0; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.checklist li { position: relative; padding: .8rem .8rem .8rem 2.7rem; border: 1px solid var(--line); background: rgba(255,255,255,.25); }
.checklist li::before { content: "AU"; position: absolute; left: .7rem; top: .82rem; color: var(--gum); font-size: .68rem; font-weight: 900; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 7rem); }
.step-list { counter-reset: steps; display: grid; gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.step { counter-increment: steps; display: grid; grid-template-columns: 4.4rem 1fr; gap: 1rem; padding: 1.5rem; background: var(--paper); }
.step::before { content: "0" counter(steps); color: var(--clay); font-size: 1.35rem; font-weight: 900; }
.step h3 { margin-bottom: .4rem; }
.step p { margin-bottom: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--ink); }
table { width: 100%; border-collapse: collapse; min-width: 680px; background: rgba(255,255,255,.22); }
th, td { padding: 1rem; text-align: left; vertical-align: top; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
th { background: var(--gum-dark); color: white; }
tr:last-child td { border-bottom: 0; }
th:last-child, td:last-child { border-right: 0; }

.contact-panel { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem,7vw,7rem); background: var(--sun); }
.contact-panel h2 { max-width: 13ch; }
.contact-links { display: grid; align-content: center; gap: .8rem; }
.contact-links a { font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 900; overflow-wrap: anywhere; }

.site-footer {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto 1rem;
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 2rem;
  padding: 2.2rem;
  border: 1px solid var(--ink);
  background: var(--gum-dark);
  color: white;
}
.site-footer h2 { font-family: Georgia, serif; font-size: 1.6rem; }
.site-footer nav { display: grid; align-content: start; gap: .4rem; }
.site-footer small { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.76); }
.legal-copy { max-width: 850px; }
.legal-copy h2 { margin-top: 2.6rem; font-size: clamp(1.7rem,3vw,2.6rem); }

@media (max-width: 900px) {
  .header-note { display: none; }
  .menu-button { display: inline-block; }
  .site-nav { display: none; flex-direction: column; }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a { text-align: left; border-right: 0; border-bottom: 1px solid var(--ink); }
  .site-nav a:last-child { border-bottom: 0; }
  .field-hero, .contact-panel { grid-template-columns: 1fr; }
  .field-index { border-left: 0; border-top: 1px solid var(--ink); }
  .section-head { grid-template-columns: 1fr; gap: 1rem; }
  .signal-grid, .route-grid { grid-template-columns: repeat(2, 1fr); }
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .site-header, main, .site-footer { width: calc(100% - 1rem); }
  .masthead { grid-template-columns: 1fr auto; }
  .brand { grid-template-columns: 2.8rem auto; }
  .brand-mark { width: 2.8rem; height: 2.8rem; }
  h1, .display { font-size: clamp(2.7rem,15vw,4.6rem); }
  .signal-grid, .route-grid, .source-grid, .fact-grid, .two-column, .site-footer { grid-template-columns: 1fr; }
  .field-index div { grid-template-columns: 1fr; gap: .2rem; }
  .field-index dd { text-align: left; }
  .ledger-row, .step { grid-template-columns: 1fr; }
  .site-footer small { grid-column: 1; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Approved rendered QA fixes — 2026-10-15 */
.ink-band .source-card .domain{color:#b7d7d2}