/* Scoped to this one page. Deliberately NOT another dark "product" theme
   like rag-case-study.css — this one reads as a technical report handed
   to a client after an audit, not a software interface. Warm paper
   background, near-black text, thin hairlines/grid, mono finding IDs and
   severity tags. No display webfont load — system serif for headings
   (document gravitas, zero extra network request), Inter for body,
   system mono for IDs/labels/evidence quotes. */

:root {
  --bg: #F7F4ED;
  --surface: #FFFFFF;
  --surface-raised: #FBF9F3;
  --line: rgba(23, 23, 23, 0.13);
  --line-strong: rgba(23, 23, 23, 0.22);

  --text: #171717;
  --text-secondary: #55524A;
  --text-muted: #8A8578;

  --accent: #E56B2F;
  --accent-soft: rgba(229, 107, 47, 0.10);
  --accent-soft-strong: rgba(229, 107, 47, 0.22);

  --blue: #3478D4;
  --blue-soft: rgba(52, 120, 212, 0.10);

  --p0: #C1401D;
  --p0-soft: rgba(193, 64, 29, 0.10);
  --p1: #E56B2F;
  --p1-soft: rgba(229, 107, 47, 0.10);
  --p2: #3478D4;
  --p2-soft: rgba(52, 120, 212, 0.10);

  --radius-sm: 4px;
  --radius: 8px;

  --font-serif: 'Iowan Old Style', 'Palatino Linotype', 'Georgia', 'Times New Roman', serif;
  --font: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;

  --container: 760px;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%;
}
/* Faint corner-frame grid ticks, not a full ruled page — a suggestion of
   graph paper/blueprint margins without competing with the text. */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 42px, 42px 100%;
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(to bottom, black, black 220px, transparent 420px);
  mask-image: linear-gradient(to bottom, black, black 220px, transparent 420px);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 64px 24px 110px; position: relative; z-index: 1; }

/* ── Header / doc identity ──────────────────────────────────────────────── */
.back-link { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); margin-bottom: 30px; }
.back-link:hover { color: var(--text-secondary); }

.doc-id {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); display: flex; gap: 10px; align-items: center; margin-bottom: 14px;
}
.doc-id .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

h1 {
  font-family: var(--font-serif); font-weight: 600; font-size: 34px;
  letter-spacing: -0.005em; margin: 0 0 12px; color: var(--text); text-wrap: balance;
}
.lede { font-size: 16px; color: var(--text-secondary); max-width: 62ch; margin: 0 0 22px; }
p { margin: 0 0 14px; color: var(--text-secondary); max-width: 68ch; }
code {
  font-family: var(--font-mono); font-size: 0.88em; color: var(--text);
  background: var(--surface-raised); border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px;
}

/* ── Intake summary chips ───────────────────────────────────────────────── */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 6px; }
.chip {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-size: 12.5px; color: var(--text-secondary);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 3px; padding: 6px 11px;
}
.chip b { font-family: var(--font-mono); color: var(--text); font-weight: 600; }

/* ── Numbered sections ──────────────────────────────────────────────────── */
section.sec { margin-top: 54px; }
section.sec:first-of-type { margin-top: 46px; }
.sec-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; border-bottom: 1px solid var(--line-strong); padding-bottom: 10px; }
.sec-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); flex-shrink: 0; }
.sec-head h2 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; margin: 0; color: var(--text); }

/* ── Flow / responsibility map ──────────────────────────────────────────── */
.flow-map { display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px 0; margin: 6px 0 4px; }
.flow-node {
  position: relative;
  font-size: 13px; color: var(--text);
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); padding: 10px 14px; white-space: nowrap;
}
.flow-node .sub { display: block; font-family: var(--font-mono); font-size: 10.5px; color: var(--text-muted); margin-top: 2px; }
.flow-arrow { color: var(--text-muted); padding: 0 10px; font-size: 14px; flex-shrink: 0; align-self: center; }
/* Flagged node = a finding lives here. Small numbered tag pinned to the
   corner, colored by severity — reads as an exhibit annotation, not a
   UI badge. */
.flow-node.flagged { border-color: var(--p1); background: var(--p1-soft); padding-right: 30px; }
.flow-node.flagged.p0 { border-color: var(--p0); background: var(--p0-soft); }
.flow-node.flagged.p2 { border-color: var(--p2); background: var(--p2-soft); }
.flow-tag {
  position: absolute; top: -9px; right: -9px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600; color: #fff;
  background: var(--p1); border-radius: 50%; width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
}
.flow-node.p0 .flow-tag { background: var(--p0); }
.flow-node.p2 .flow-tag { background: var(--p2); }

.flow-branch-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0; }
.flow-branch-row .flow-node { flex: 1 1 200px; }

.flow-connector { text-align: center; color: var(--text-muted); font-size: 15px; line-height: 1; margin: 2px 0; }

.map-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.map-legend span { display: inline-flex; align-items: center; gap: 5px; }
.map-legend .sw { width: 9px; height: 9px; border-radius: 50%; }
.map-legend .sw.p0 { background: var(--p0); } .map-legend .sw.p1 { background: var(--p1); } .map-legend .sw.p2 { background: var(--p2); }

/* ── Methodology checklist ──────────────────────────────────────────────── */
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin: 6px 0 4px; }
.method-item { display: flex; gap: 10px; align-items: baseline; font-size: 13.5px; color: var(--text-secondary); padding: 9px 0; border-bottom: 1px solid var(--line); }
.method-item .k { font-family: var(--font-mono); font-size: 11px; color: var(--accent); flex-shrink: 0; }
@media (max-width: 620px) { .method-grid { grid-template-columns: 1fr; } }

/* ── Findings ───────────────────────────────────────────────────────────── */
.finding { border: 1px solid var(--line-strong); border-left-width: 3px; border-radius: var(--radius-sm); background: var(--surface); padding: 16px 18px; margin-bottom: 14px; }
.finding.p0 { border-left-color: var(--p0); }
.finding.p1 { border-left-color: var(--p1); }
.finding.p2 { border-left-color: var(--p2); }
.finding-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.finding-id { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.sev {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: 0.03em;
  border-radius: 3px; padding: 2px 7px; color: #fff;
}
.sev.p0 { background: var(--p0); } .sev.p1 { background: var(--p1); } .sev.p2 { background: var(--p2); }
.finding h3 { font-family: var(--font); font-size: 15px; font-weight: 600; margin: 0; color: var(--text); }
.finding p { font-size: 13.5px; margin: 0 0 10px; }
.finding p:last-child { margin-bottom: 0; }
.evidence {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--text-secondary);
  background: var(--surface-raised); border: 1px solid var(--line); border-radius: 3px;
  padding: 8px 11px; margin: 0 0 10px; white-space: pre-wrap;
}
.evidence::before { content: 'EVIDENCE  '; color: var(--text-muted); letter-spacing: 0.06em; }

/* ── Exhibit (real, lightly-redacted blueprint excerpt) ─────────────────── */
.exhibit { border: 1px solid var(--line-strong); background: var(--surface-raised); border-radius: var(--radius-sm); padding: 14px 16px 12px; margin: -2px 0 14px; }
.exhibit-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.exhibit-body { font-family: var(--font-mono); font-size: 11.5px; line-height: 1.55; color: var(--text); margin: 0 0 8px; overflow-x: auto; white-space: pre; }
.exhibit-caption { font-size: 11.5px; color: var(--text-muted); margin: 0; max-width: none; }

/* ── Risk table ─────────────────────────────────────────────────────────── */
.risk-table { width: 100%; border-collapse: collapse; margin: 6px 0 4px; font-size: 13px; }
.risk-table th { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line-strong); }
.risk-table td { padding: 10px 10px; border-bottom: 1px solid var(--line); color: var(--text-secondary); vertical-align: top; }
.risk-table td:first-child { font-family: var(--font-mono); font-size: 11.5px; color: var(--text); white-space: nowrap; }
.risk-table tr:last-child td { border-bottom: none; }
@media (max-width: 620px) {
  .risk-table, .risk-table thead, .risk-table tbody, .risk-table th, .risk-table td, .risk-table tr { display: block; }
  .risk-table thead { display: none; }
  .risk-table tr { border-bottom: 1px solid var(--line-strong); padding: 10px 0; }
  .risk-table td { border-bottom: none; padding: 3px 0; }
}

/* ── Fix plan tiers ─────────────────────────────────────────────────────── */
.tier { margin-bottom: 18px; }
.tier-label { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.tier-label .n { color: var(--accent); }
.tier ul { margin: 0; padding-left: 20px; }
.tier li { font-size: 13.5px; color: var(--text-secondary); margin-bottom: 6px; }

/* ── Deliverable mock ───────────────────────────────────────────────────── */
.doc-mock {
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(23,23,23,0.05);
}
.doc-mock .doc-mock-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line-strong); padding-bottom: 10px; margin-bottom: 12px; }
.doc-mock .doc-mock-head h3 { font-family: var(--font-serif); font-size: 16px; margin: 0; color: var(--text); }
.doc-mock .doc-mock-head span { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.doc-mock-row { display: flex; justify-content: space-between; gap: 12px; font-size: 12.5px; padding: 7px 0; border-bottom: 1px dashed var(--line); color: var(--text-secondary); }
.doc-mock-row:last-child { border-bottom: none; }
.doc-mock-row .sev { flex-shrink: 0; }

/* ── Bridge / two-path close ────────────────────────────────────────────── */
.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 6px 0 0; }
.path-card { border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 16px 18px; background: var(--surface); }
.path-card .tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 6px; }
.path-card h3 { font-family: var(--font); font-size: 14.5px; font-weight: 600; margin: 0 0 6px; color: var(--text); }
.path-card p { font-size: 13px; margin: 0; }
.path-card.rebuild { border-color: var(--accent-soft-strong); background: var(--accent-soft); }
.path-card.rebuild .tag { color: var(--accent); }
@media (max-width: 620px) { .paths { grid-template-columns: 1fr; } }

.cta-line { margin-top: 40px; font-size: 13.5px; color: var(--text-muted); }

@media (max-width: 640px) {
  .wrap { padding: 44px 18px 90px; }
  h1 { font-size: 26px; }
}