:root {
  --ink: #092a31;
  --green: #118b70;
  --mint: #56e4b6;
  --cream: #f5f0e7;
  --paper: #fffdf7;
  --line: #ccd7d2;
  --muted: #566d72;
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--cream);
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
.shell { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }
.site-head { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid rgba(9,42,49,.15); }
.brand { font-size: 18px; font-weight: 800; text-decoration: none; letter-spacing: -.04em; }
.brand span { color: var(--green); }
.site-head nav { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 13px; }
.site-head nav a { text-decoration: none; }
.site-head nav a:hover { color: var(--ink); }
.hero { padding: 74px 0 58px; }
.eyebrow { color: var(--green); font: 700 11px/1.2 monospace; letter-spacing: .11em; }
h1 { max-width: 850px; margin: 18px 0 22px; font-size: clamp(44px, 7vw, 76px); line-height: .98; letter-spacing: -.065em; }
.lede { max-width: 760px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.65; }
main { padding-bottom: 64px; }
.paper { padding: clamp(28px, 6vw, 64px); background: var(--paper); border: 1px solid var(--line); box-shadow: 0 24px 70px rgba(9,42,49,.08); }
section + section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--line); }
h2 { margin: 0 0 18px; font-size: clamp(28px, 4vw, 40px); line-height: 1.08; letter-spacing: -.045em; }
h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -.025em; }
p, li, dd { color: #38575e; font-size: 16px; line-height: 1.72; }
ul, ol { padding-left: 22px; }
li + li { margin-top: 8px; }
.note { padding: 18px 20px; border-left: 4px solid var(--green); background: #eaf8f3; color: #21494c; line-height: 1.65; }
.warning { padding: 18px 20px; border: 1px solid #ddc99b; background: #fff5dc; color: #694f25; line-height: 1.65; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { padding: 22px; border: 1px solid var(--line); background: white; }
.card small { color: var(--green); font: 700 10px/1.3 monospace; letter-spacing: .08em; }
.card h3 { margin-top: 11px; }
.card p { margin: 0; font-size: 14px; }
.evidence-list { min-width: 0; display: grid; gap: 18px; }
.evidence { min-width: 0; padding: 24px; border: 1px solid var(--line); background: white; }
.evidence-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.evidence-head > * { min-width: 0; }
.evidence-id { color: var(--green); font: 700 11px/1.4 monospace; }
.evidence dl { margin: 16px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.evidence dt { color: #74898d; font: 700 9px/1.3 monospace; letter-spacing: .08em; }
.evidence dd { margin: 4px 0 0; color: var(--ink); font-size: 13px; font-weight: 700; line-height: 1.4; }
blockquote { margin: 18px 0 10px; padding: 18px 20px; border-left: 4px solid var(--green); background: #edf8f4; color: #183c42; font: 18px/1.6 Georgia, serif; }
.source { margin: 0; overflow-wrap: anywhere; color: #6c7f83; font: 12px/1.6 monospace; }
.status { padding: 6px 9px; border: 1px solid #a9cfc3; color: #226555; background: #eaf8f3; font: 700 9px/1.3 monospace; white-space: nowrap; }
.steps { counter-reset: step; display: grid; gap: 18px; }
.step { counter-increment: step; padding: 22px 22px 22px 72px; position: relative; border: 1px solid var(--line); background: white; }
.step::before { content: counter(step, decimal-leading-zero); position: absolute; left: 22px; top: 24px; color: var(--green); font: 700 13px/1 monospace; }
.cta { margin-top: 48px; padding: 30px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--ink); color: white; }
.cta h2 { margin: 0 0 8px; color: white; font-size: 30px; }
.cta p { margin: 0; color: #b4c5c7; font-size: 14px; }
.cta a { flex: 0 0 auto; padding: 14px 18px; background: var(--mint); color: var(--ink); font-weight: 800; text-decoration: none; }
footer { padding: 30px 0 46px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 24px; color: var(--muted); font-size: 12px; }
footer div { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 720px) {
  .site-head { align-items: flex-start; flex-direction: column; padding: 20px 0; }
  .hero { padding: 54px 0 42px; }
  .paper { width: 100%; padding: 28px 20px; }
  .grid, .evidence dl { grid-template-columns: 1fr; }
  .evidence-head, .cta { align-items: stretch; flex-direction: column; }
  .cta a { text-align: center; }
}