:root {
  color-scheme: light;
  --ink: #18201d;
  --muted: #66706b;
  --paper: #f4f0e7;
  --panel: rgba(255, 255, 255, 0.72);
  --line: #d2cabc;
  --signal: #0f6752;
  --signal-soft: #dcece5;
  --no-go: #9a3f2f;
  --no-go-soft: #f2ded8;
  --proxy: #76551b;
  --proxy-soft: #f2e8cf;
  --code: #202724;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 4%, rgba(15, 103, 82, 0.12), transparent 28rem),
    linear-gradient(180deg, #fbf8f1 0, var(--paper) 42rem);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--signal); text-underline-offset: 0.18em; }
a:hover { color: #084a3b; }

.shell { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }

header { padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--ink); font-weight: 760; letter-spacing: -0.03em; text-decoration: none; }
.nav-links { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.92rem; }

.hero { padding: 6rem 0 4rem; max-width: 850px; }
.eyebrow { color: var(--signal); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.035em; }
h1 { margin: 0.7rem 0 1.2rem; font-size: clamp(2.7rem, 8vw, 5.8rem); }
h2 { margin-top: 0; font-size: clamp(1.7rem, 4vw, 2.45rem); }
.lede { max-width: 720px; color: var(--muted); font-size: clamp(1.05rem, 2.1vw, 1.3rem); }

.status-row, .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.status, .card, .panel {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(43, 48, 45, 0.06);
}
.status { padding: 1.2rem; }
.status strong { display: block; margin-top: 0.25rem; font-size: 1.45rem; }
.label { color: var(--muted); font-size: 0.76rem; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; }

section { padding: 2.5rem 0; }
.card { padding: 1.45rem; }
.card p { color: var(--muted); }
.card .decision { color: var(--no-go); }
.tag { display: inline-block; padding: 0.25rem 0.58rem; border-radius: 999px; background: var(--signal-soft); color: var(--signal); font-size: 0.75rem; font-weight: 800; }
.tag.no-go { background: var(--no-go-soft); color: var(--no-go); }
.tag.proxy { background: var(--proxy-soft); color: var(--proxy); }

.panel { padding: clamp(1.3rem, 4vw, 2.2rem); }
.table-wrap { overflow-x: auto; }
.metrics { width: 100%; border-collapse: collapse; }
.metrics th, .metrics td { padding: 0.78rem 0.45rem; border-bottom: 1px solid var(--line); text-align: left; }
.metrics th { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.metrics td:last-child, .metrics th:last-child { text-align: right; }
.fail { color: var(--no-go); font-weight: 760; }
.pass { color: var(--signal); font-weight: 760; }
.boundary { padding-left: 1.2rem; color: var(--muted); }
.boundary li + li { margin-top: 0.5rem; }

pre { overflow-x: auto; padding: 1rem; border-radius: 0.75rem; background: var(--code); color: #ecf4ef; font-size: 0.84rem; }
code { font-family: "SFMono-Regular", Consolas, monospace; }
footer { margin-top: 4rem; padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }

@media (max-width: 760px) {
  .hero { padding-top: 4rem; }
  .status-row, .grid { grid-template-columns: 1fr; }
  nav { align-items: flex-start; }
  .nav-links { justify-content: flex-end; }
}