header {
  padding: 48px 40px 36px;
  max-width: 1020px;
  margin: 0 auto;
  border-bottom: 2px solid var(--ink);
}

main {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 40px 96px;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 0 52px;
  align-items: start;
  min-width: 0;
}

footer { max-width: 1020px; }

.toc {
  position: sticky;
  top: 56px;
  padding: 44px 0;
  grid-row: 1 / 99;
}

.toc-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 14px;
}

.toc a {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--ink3);
  text-decoration: none;
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--border);
  margin-bottom: 2px;
  transition: all .15s;
  line-height: 1.35;
}

.toc a:hover,
.toc a.active {
  color: var(--ink);
  border-left-color: var(--accent);
}

.toc .toc-num {
  color: var(--ink3);
  margin-right: 6px;
}

.content { padding: 44px 0; min-width: 0; }

section {
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}

section:last-child { border-bottom: none; }

.sec-label { margin-bottom: 10px; margin-top: 52px; }

section:first-child .sec-label { margin-top: 0; }

section h2 { margin-bottom: 16px; }

section h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 17px;
  margin: 32px 0 10px;
  color: var(--ink);
}

section p  { font-size: 15px; max-width: 800px; margin-bottom: 16px; }

section ul {
  font-size: 15px;
  color: var(--ink2);
  padding-left: 22px;
  margin-bottom: 12px;
}

section ul li { margin-bottom: 5px; line-height: 1.65; }

.two-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 26px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 20px 0;
}

.data-table th {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink3);
  padding: 8px 12px;
  border-bottom: 2px solid var(--ink);
  text-align: left;
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--ink2);
}

.data-table td:not(:first-child) { font-family: 'DM Mono', monospace; }

.data-table td.up   { color: var(--up);   font-weight: 500; }
.data-table td.down { color: var(--down); font-weight: 500; }

/* CAGR/YoY table: colored value cells */
.data-table td.val     { font-family: 'DM Mono', monospace; }
.data-table td.val.pos { color: var(--up);   font-weight: 500; }
.data-table td.val.neg { color: var(--down); font-weight: 500; }

/* Signal badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11.5px;
  font-family: 'DM Mono', monospace;
  white-space: nowrap;
}

/* Control group rows — muted italic */
.data-table tr.ctrl td { color: var(--ink3); font-style: italic; }
.data-table tr.ctrl td.val.pos,
.data-table tr.ctrl td.val.neg { color: var(--ink3); font-weight: 400; }

/* CN name inside first column — lighter weight */
.data-table .cn-name { color: var(--ink3); font-size: 12px; font-style: normal; }
.badge.up      { background: #e8f5e9; color: #2e7d32; }
.badge.down    { background: #fce4ec; color: #c62828; }
.badge.neutral { background: #f3f4f6; color: #555;    }

.code-block {
  background: #1a1814;
  color: #c5c0b4;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  line-height: 1.65;
  padding: 22px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 16px 0;
}

.code-block .comment { color: #5a6070;   }
.code-block .kw      { color: #c0392b;   }
.code-block .fn      { color: #457b9d;   }
.code-block .str     { color: #2d6a4f;   }

.phase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.phase-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 3px;
}

.phase-box .ph-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--ink3);
  margin-bottom: 6px;
}

.phase-box h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.phase-box p {
  font-size: 13px;
  color: var(--ink2);
  margin: 0;
}

.finding {
  border-left: 3px solid var(--accent2);
  padding: 14px 18px;
  margin: 14px 0;
  background: var(--surface);
}

.finding.key { border-left-color: var(--accent); }

.finding h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 5px;
}

.finding p {
  font-size: 14px;
  color: var(--ink2);
  margin: 0;
  line-height: 1.65;
}

.comment {
  color: grey;
  font-size: small;
  line-height: 1.5;
}

@media (max-width: 780px) {
  main { grid-template-columns: 1fr; }

  .toc { display: none; }

  header, main, footer { padding-left: 20px; padding-right: 20px; }

  .two-charts,
  .phase-grid { grid-template-columns: 1fr; }

  .cw      { height: 240px; }
  .cw.tall { height: 300px; }
}
/* ── Pareto Group Badges ──────────────────────────────────────────────────── */
.badge.group-a {
  background: #1d3557;
  color: #fff;
  border-color: #1d3557;
}

.badge.group-b {
  background: #457b9d;
  color: #fff;
  border-color: #457b9d;
}

.badge.spike {
  background: #d35400;
  color: #fff;
  border-color: #d35400;
}

/* Badge used inline in table cells */
.badge {
  display: inline-block;
  font-size: 11px;
  font-family: 'DM Mono', monospace;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid currentColor;
  white-space: nowrap;
  vertical-align: middle;
}

/* Spike rows in the EPA table */
tr.spike-row td {
  background: rgba(211, 84, 0, 0.04);
}

/* Pareto summary table */
.pareto-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 8px;
}

.pareto-table th,
.pareto-table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border, #d4cfc4);
  text-align: left;
}

.pareto-table th {
  font-weight: 600;
  background: var(--surface, #edeae0);
  font-size: 12px;
}

.pareto-note {
  font-size: 12px;
  color: var(--ink3, #8a8478);
  margin: 4px 0 10px;
  line-height: 1.6;
}

/* Badge colours for pareto summary box */
.badge-a { background: #1d3557; color: #fff; border-color: #1d3557; }
.badge-b { background: #457b9d; color: #fff; border-color: #457b9d; }
.badge-spike { background: #d35400; color: #fff; border-color: #d35400; }