:root{
  --ink:#0b1f18; --green:#0e5a42; --lime:#c9f36a; --cream:#f5f2e8;
  --paper:#fffdf7; --card:#ffffff; --line:#d8d8cd; --red:#b83b2e;
  --muted:#64716b; --blue:#1f6feb; --amber:#9a6700;
  --shadow:0 1px 2px rgba(11,31,24,.06),0 8px 28px -12px rgba(11,31,24,.18);
  /* Restrained radius scale shared with the public site (see docs/DESIGN_PRINCIPLES.md). */
  --radius-chip:8px; --radius-btn:10px; --radius:16px; --radius-panel:18px;
  --nav-h:68px; --gutter:max(28px,calc(50% - 562px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 20px)}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
/* ---------- top nav (persistent chrome) ---------- */
.topnav{position:sticky;top:0;z-index:60;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--gutter);border-bottom:1px solid var(--line);background:rgba(255,253,247,.93);
  -webkit-backdrop-filter:blur(12px) saturate(1.4);backdrop-filter:blur(12px) saturate(1.4)}
.brand{font-weight:900;letter-spacing:.18em;text-decoration:none;color:var(--ink)}
.navlinks{display:flex;gap:20px;align-items:center}
.navlinks a{text-decoration:none;font-size:14px;color:var(--ink)}
.demo-badge{font-size:11px;font-weight:800;letter-spacing:.08em;background:var(--ink);
  color:#fff;padding:6px 12px;border-radius:var(--radius-chip)}
/* ---------- lead gate ---------- */
.gate{min-height:calc(100vh - 68px);display:flex;align-items:flex-start;justify-content:center;
  padding:56px 20px 80px;background:
  radial-gradient(900px 320px at 20% 0%,#eef7e4 0%,transparent 60%),
  radial-gradient(800px 300px at 90% 10%,#f3ecff 0%,transparent 55%),var(--paper)}
.gate[hidden]{display:none}
.gate-card{max-width:640px;width:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:40px}
.gate-card h1{font-size:clamp(30px,4.5vw,44px);letter-spacing:-.04em;line-height:1.05;margin:10px 0 12px}
/* ---------- demo layout ---------- */
main{max-width:1180px;margin:auto;padding:0 28px 70px}
main[hidden]{display:none}
.demo-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding:48px 0 8px;flex-wrap:wrap}
.demo-head h1{font-size:clamp(34px,4.6vw,58px);letter-spacing:-.045em;line-height:1.02;margin:10px 0 14px;max-width:760px}
.access-chip{font-size:13px;background:#e9f7e4;border:1px solid #bfe3b4;color:var(--green);
  border-radius:var(--radius-chip);padding:8px 14px;font-weight:600;white-space:nowrap}
.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:850;color:var(--green);margin:0}
.lede{color:#3c4d46;font-size:17px;max-width:720px}
/* ---------- KPI cards ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:26px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow)}
.card .label{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.card .value{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em;margin-top:6px;line-height:1.1;overflow-wrap:anywhere}
.card .sub{font-size:13px;color:var(--muted);margin-top:2px}
.card.accent{background:var(--ink);color:#fff;border-color:var(--ink)}
.card.accent .label,.card.accent .sub{color:#c9d4cd}
.card.danger .value{color:var(--red)}
.skeleton{color:var(--muted)}
/* ---------- panels ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;margin-top:20px}
.panel h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.03em;margin:6px 0 10px}
.panel h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:22px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.breadcrumb{font-size:13px;color:var(--muted);background:var(--cream);border:1px solid var(--line);
  border-radius:var(--radius-chip);padding:6px 14px}
.muted{color:var(--muted)}
.good{color:var(--green);font-weight:700}
.bad{color:var(--red);font-weight:700}
/* ---------- drilldown ---------- */
.drill-layout{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(420px,1.6fr);gap:26px}
.row{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0;min-width:0}
.kv{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.kv .t{font-weight:800;overflow-wrap:anywhere;min-width:0}
.kv .v{font-weight:800;white-space:nowrap;flex-shrink:0}
.drill-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.drill-head .v{white-space:nowrap;flex-shrink:0}
.blocker{overflow-wrap:anywhere}
.row.clickable{cursor:pointer;transition:border-color .15s,transform .15s}
.row.clickable:hover{border-color:var(--green);transform:translateY(-1px)}
.row.selected{border-color:var(--green);box-shadow:0 0 0 2px rgba(14,90,66,.15)}
.drill{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:10px 0}
.bar{height:7px;background:#e7e4d8;border-radius:10px;margin-top:8px;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,#e8a13d,#c96a1e);border-radius:10px}
.supplier{border-left:3px solid var(--blue);padding:6px 0 6px 12px;margin-top:10px;font-size:14px}
.chip{display:inline-block;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-chip);
  padding:5px 12px;font-size:12px;font-weight:700;margin:0 8px 8px 0}
.chip button{border:0;background:none;color:var(--red);font-weight:800;cursor:pointer;margin-left:6px;padding:0}
/* ---------- simulator ---------- */
.callout{border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--cream)}
.sim-row{display:flex;gap:8px;align-items:center;margin-top:10px;flex-wrap:wrap}
.sim-row input{width:150px}
/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
label.full{display:block;margin-top:12px}
label{font-size:13px;font-weight:700;color:#3c4d46}
input,textarea,select{width:100%;background:#fff;border:1px solid var(--line);color:var(--ink);
  border-radius:8px;padding:11px 12px;font:inherit;font-weight:400;margin-top:6px}
input:focus,textarea:focus,select:focus{outline:2px solid rgba(14,90,66,.35);border-color:var(--green)}
textarea{min-height:76px;resize:vertical}
button{background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:var(--radius-btn);
  padding:12px 20px;font:inherit;font-weight:750;cursor:pointer;margin-top:14px}
button:hover{background:var(--green);border-color:var(--green)}
button.secondary{background:#fff;color:var(--ink)}
button.small{padding:7px 12px;font-size:13px;margin-top:8px}
button:disabled{opacity:.55;cursor:wait}
.error{color:var(--red);font-weight:600;font-size:14px}
.privacy{font-size:12px;color:var(--muted)}
#formStatus{margin-left:12px;font-size:14px}
/* ---------- footer (terminal assurance bar, seen at document end) ---------- */
footer{display:flex;align-items:center;justify-content:space-between;
  gap:26px;padding:14px var(--gutter);background:var(--ink);color:#c7d6ce;
  border-top:1px solid #1d3a30;font-size:12.5px;line-height:1.45}
footer p{margin:0}
footer .muted{color:#a9bcb3}
/* ---------- responsive ---------- */
@media(max-width:860px){
  .drill-layout{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .gate-card{padding:26px}
  .navlinks a{display:none}
  .panel{padding:20px}
  .topnav,footer{padding-left:20px;padding-right:20px}
  footer{gap:14px;font-size:11.5px}
  footer p:not(.muted){display:none}
}