/* ═══════════════════════════════════════════════════════════════════
   BOEING WATCH — SHARED DESIGN SYSTEM
   Warm archival paper palette. Cream / oxblood / burnt amber.
   Loaded by /methodology, /corrections, /about, /sources.
   The front page (/index.html) keeps its design inline.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #F0EBE0;
  --bg-rail:   #E8E2D2;
  --bg-row:    #E0D9C5;
  --bg-row-hi: #DAD2BD;
  --ink:       #1B1814;
  --ink-dim:   #5A554C;
  --ink-faint: #8E867A;
  --line:      #C9C0A8;
  --line-soft: #DBD3BD;
  --amber:     #B8651A;
  --amber-dim: #C99355;
  --amber-bg:  #F0E0C8;
  --red:       #9B1C1C;
  --red-dim:   #C4847E;
  --red-bg:    #EBD4D0;
  --green:     #2E5C28;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'tnum' 1;
}

/* Paper grain — same as front page */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1000;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 24px; }

a { color: var(--amber); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { color: var(--ink); }

/* ─── TOPBAR ───────────────────────────────────── */
.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 12px 18px;
  background: var(--bg-rail);
  border: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--ink-dim);
}
.topbar a { text-decoration: none; color: var(--ink-dim); }
.topbar a:hover { color: var(--amber); }
.topbar-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-decoration: none;
}
.topbar-mid { text-align: center; }
.topbar-mid .station { color: var(--ink-dim); }
.topbar-right { display: flex; gap: 16px; align-items: center; }

.topbar-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar-nav a[aria-current="page"] { color: var(--amber); }

/* ─── PAGE HEAD ─────────────────────────────────── */
.page-head {
  padding: 36px 32px 28px;
  background: var(--bg-rail);
  border: 1px solid var(--line);
  margin-bottom: 24px;
}
.page-head .kicker {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-head h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: 0.05em;
  color: var(--ink);
  font-weight: 400;
}
.page-head .lede {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-dim);
  margin-top: 18px;
  max-width: 680px;
}
.page-head .lede strong {
  font-style: normal;
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--ink);
  font-weight: 500;
}
.page-meta {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.page-meta span strong { color: var(--ink-dim); font-weight: 500; }

/* ─── SECTION ───────────────────────────────────── */
.section {
  background: var(--bg-rail);
  border: 1px solid var(--line);
  padding: 28px 32px;
  margin-bottom: 24px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 18px;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--ink);
  font-weight: 400;
}
.section-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}
.section-meta {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ─── PROSE ─────────────────────────────────────── */
.prose {
  font-family: 'EB Garamond', serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  max-width: 720px;
}
.prose + .prose { margin-top: 14px; }
.prose p + p { margin-top: 14px; }
.prose strong {
  font-weight: 500;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink);
}
.prose em { color: var(--ink-dim); }
.prose a { color: var(--amber); }
.prose ul, .prose ol {
  margin: 12px 0 12px 22px;
}
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--ink-faint); }

.mono {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--ink-dim);
}
.mono strong { color: var(--ink); font-weight: 500; }

/* ─── DEFINITION LIST ───────────────────────────── */
.deflist {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px 24px;
  font-size: 12px;
  margin: 6px 0 4px;
}
.deflist dt {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 3px;
}
.deflist dd {
  font-family: 'EB Garamond', serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
}
.deflist dd a { color: var(--amber); }

/* ─── CALLOUT BOX ───────────────────────────────── */
.callout {
  border-left: 3px solid var(--amber);
  padding: 12px 16px;
  background: var(--bg);
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ink-dim);
  margin: 16px 0;
  max-width: 720px;
}
.callout strong {
  font-family: 'DM Mono', monospace;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink);
  font-weight: 500;
}

/* ─── EMPTY STATE ───────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 56px 24px;
  background: var(--bg);
  border: 1px dashed var(--line);
}
.empty-state .glyph {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 84px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.empty-state .empty-label {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.empty-state .empty-note {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 15px;
  color: var(--ink-dim);
  max-width: 520px;
  margin: 0 auto;
}

/* ─── TOC (table of contents) ───────────────────── */
.toc {
  background: var(--bg);
  border: 1px solid var(--line-soft);
  padding: 18px 22px;
  margin-bottom: 24px;
}
.toc-label {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.toc ol { list-style: none; counter-reset: toc; padding: 0; }
.toc ol li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 4px 0;
  font-size: 13px;
}
.toc ol li::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  color: var(--amber);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.toc ol li a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid transparent;
}
.toc ol li a:hover { color: var(--amber); border-bottom-color: var(--line); }

/* ─── SOURCES LIST (mirrors index.html) ─────────── */
.src-list { list-style: none; counter-reset: src; margin: 0; padding: 0; }
.src-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.55;
}
.src-list li:last-child { border-bottom: none; }
.src-list li::before {
  counter-increment: src;
  content: '[' counter(src) ']';
  color: var(--amber);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.src-list li .src-meta {
  font-family: 'EB Garamond', serif;
  font-size: 15px;
  color: var(--ink);
}
.src-list li .src-meta a {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  word-break: break-word;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
}
.src-list li .src-meta a:hover { color: var(--ink); }
.src-list li .src-pub {
  font-style: italic;
  color: var(--ink-dim);
}

/* ─── FOOTER ───────────────────────────────────── */
footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
footer a { color: var(--ink-dim); text-decoration: none; border-bottom: 1px solid var(--line); }
footer a:hover { color: var(--amber); }

/* ─── RESPONSIVE ───────────────────────────────── */
@media (max-width: 720px) {
  .wrap { padding: 14px; }
  .topbar { grid-template-columns: 1fr; gap: 8px; padding: 10px 14px; }
  .topbar-mid, .topbar-right { justify-content: flex-start; text-align: left; }
  .page-head { padding: 24px 20px; }
  .page-head h1 { font-size: 40px; }
  .section { padding: 22px 20px; }
  .section-head { flex-wrap: wrap; gap: 6px; }
  .prose { font-size: 16px; }
  .deflist { grid-template-columns: 1fr; gap: 4px 0; }
  .deflist dt { padding-top: 10px; }
}