:root {
  --ink: #172126;
  --muted: #56646b;
  --paper: #f6f7f5;
  --white: #ffffff;
  --line: #d6ddda;
  --green: #146b58;
  --green-dark: #0d493d;
  --signal: #d6a634;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
.site-header {
  min-height: 72px;
  padding: 0 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 245, 0.96);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 650; }
nav a { text-decoration: none; }
.nav-cta { border-bottom: 2px solid var(--green); }
.hero {
  min-height: min(720px, calc(100vh - 72px));
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 32px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: 56px;
}
.hero-copy { max-width: 720px; }
.eyebrow { margin: 0 0 12px; color: var(--green); font-size: 13px; font-weight: 800; text-transform: uppercase; }
h1, h2, h3, p { letter-spacing: 0; }
h1 { margin: 0; max-width: 780px; font-size: clamp(48px, 7vw, 88px); line-height: 0.98; font-weight: 780; }
.lead { margin: 28px 0 0; max-width: 720px; font-size: clamp(20px, 2vw, 27px); line-height: 1.42; color: #35434a; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  min-height: 46px;
  padding: 12px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-weight: 750;
  text-decoration: none;
}
.button.primary { border-color: var(--green); color: var(--white); background: var(--green); }
.button.primary:hover { background: var(--green-dark); }
.button.secondary { background: transparent; }
.availability { margin-top: 18px; color: var(--muted); font-size: 14px; }
.hero-mark { display: grid; place-items: center; }
.hero-mark img { width: min(100%, 390px); aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; }
.band { padding: 84px max(5vw, calc((100vw - var(--max)) / 2)); }
.problem { background: var(--white); }
.section-heading { max-width: 820px; margin-bottom: 42px; }
.section-heading.narrow { max-width: 760px; }
h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.08; }
.section-heading > p:last-child { margin-top: 18px; color: var(--muted); font-size: 18px; }
.three-column { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.three-column article { min-height: 230px; padding: 30px; background: var(--white); }
.step { color: var(--green); font-weight: 850; font-variant-numeric: tabular-nums; }
h3 { margin: 34px 0 10px; font-size: 23px; }
.three-column p, .boundary-list p { color: var(--muted); }
.pilot { background: #e8eeeb; }
.pilot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.pilot-grid > div { padding: 32px; border-left: 4px solid var(--green); background: var(--white); }
.pilot-grid h3 { margin-top: 0; }
ul { margin: 18px 0 0; padding-left: 20px; }
li { margin: 10px 0; }
.pilot-flow { margin-top: 28px; padding-top: 30px; border-top: 1px solid #bac8c2; }
.pilot-flow h3 { margin: 0 0 22px; }
.pilot-flow ol { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; list-style: none; background: #bac8c2; }
.pilot-flow li { margin: 0; min-height: 150px; padding: 24px; display: flex; flex-direction: column; gap: 12px; background: #f7f9f8; }
.pilot-flow strong { color: var(--green); font-size: 15px; text-transform: uppercase; }
.pilot-flow span { color: var(--muted); }
.boundaries { background: var(--paper); }
.boundary-list { max-width: 900px; border-top: 1px solid var(--line); }
.boundary-list p { margin: 0; padding: 22px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
.boundary-list strong { color: var(--ink); }
.evidence { background: #edf1ef; }
.evidence-ladder {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}
.evidence-ladder li { margin: 0; min-height: 250px; padding: 30px; background: var(--white); }
.evidence-ladder li > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.evidence-ladder h3 { margin: 36px 0 10px; }
.evidence-ladder p { margin: 0; color: var(--muted); }
.level { color: var(--green); font-size: 13px; font-weight: 850; text-transform: uppercase; }
.status { padding: 5px 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 12px; font-weight: 750; }
.complete .status { border-color: #99c4b8; color: var(--green-dark); background: #e6f2ee; }
.next .status { border-color: #dbc37d; color: #654c0b; background: #fbf3d8; }
.boundary .status { color: #4f5a60; background: #eef0f1; }
.cta { display: flex; align-items: end; justify-content: space-between; gap: 36px; color: var(--white); background: var(--ink); }
.cta h2 { max-width: 760px; font-size: clamp(32px, 4vw, 50px); }
.cta .eyebrow { color: #80c9b6; }
.button.light { flex: 0 0 auto; border-color: var(--white); color: var(--ink); background: var(--white); }
footer { padding: 30px 5vw; display: flex; justify-content: space-between; color: var(--muted); font-size: 14px; }
footer div { display: flex; gap: 10px; }
footer strong { color: var(--ink); }

@media (max-width: 760px) {
  .site-header { padding: 0 20px; }
  nav a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; padding: 54px 20px 48px; grid-template-columns: 1fr; gap: 28px; }
  h1 { font-size: clamp(44px, 14vw, 64px); }
  .hero-mark { order: -1; justify-content: start; }
  .hero-mark img { width: 120px; }
  .band { padding: 64px 20px; }
  .three-column, .pilot-grid, .pilot-flow ol, .evidence-ladder { grid-template-columns: 1fr; }
  .pilot-flow li { min-height: 0; }
  .three-column article { min-height: 0; }
  .cta, footer { align-items: flex-start; flex-direction: column; }
  footer { gap: 8px; }
}