/* ── The Productivity Mystery Lab ─────────────────────────── */

.prod-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 0 64px;
}

.prod-section {
  padding: 56px 56px 48px;
}
.prod-hero {
  padding: 100px 56px 48px;
}

.prod-title {
  margin: 12px 0 18px;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.prod-kicker {
  font-family: "Newsreader", serif;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 18px 0 22px;
  max-width: 70ch;
}

.prod-prose {
  font-family: "Newsreader", serif;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink);
  max-width: 72ch;
  margin: 8px 0 28px;
}

.prod-dateline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-dim);
  border: 1px solid var(--ink-dim);
  margin: 22px 0 12px;
}
.prod-dateline > div {
  background: var(--paper);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.prod-dateline .label {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.prod-dateline .value {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink);
}

/* ── Charts ─────────────────────────────────────────────────── */
.prod-chart-wrap {
  margin: 18px 0 22px;
}
.prod-chart-title {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 10px;
}
.prod-chart-wrap svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--paper);
  border: 1px solid var(--ink-dim);
}

.prod-tooltip {
  position: absolute;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink-dim);
  padding: 6px 10px;
  font-size: 11px;
  pointer-events: none;
  z-index: 30;
  font-family: "DM Mono", ui-monospace, monospace;
  letter-spacing: 0.04em;
}
#prod-headline-wrap {
  position: relative;
}

/* ── Plain-language readout ────────────────────────────────── */
.prod-readout {
  max-width: 760px;
  padding: 18px 22px;
  border-left: 2px solid var(--accent);
  background: var(--paper-2);
  margin: 18px 0 22px;
}
.prod-readout-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.prod-readout p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}
.prod-readout strong { color: var(--ink); font-weight: 500; }
.prod-readout em { color: var(--ink); font-style: italic; }

/* ── Hypothesis matrix ─────────────────────────────────────── */
.prod-matrix {
  background: var(--paper);
  border: 1px solid var(--ink-dim);
  padding: 18px 22px;
  display: grid;
  gap: 1px;
}
.prod-matrix-row {
  display: grid;
  grid-template-columns: 220px repeat(4, 1fr) 130px;
  gap: 1px;
  background: var(--ink-dim);
}
.prod-matrix-row > div {
  background: var(--paper);
  padding: 12px 14px;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 11px;
}
.prod-matrix-row.head > div {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: var(--paper-2);
}
.prod-matrix-row.head > div:first-child {
  background: var(--paper-2);
}
.prod-matrix-cell {
  text-align: center;
}
.prod-matrix-cell.fits {
  background: color-mix(in oklab, var(--accent) 28%, var(--paper)) !important;
  color: var(--paper);
}
.prod-matrix-cell.partial {
  background: color-mix(in oklab, #d4b970 35%, var(--paper)) !important;
  color: var(--ink);
}
.prod-matrix-cell.fails {
  color: var(--ink-dim);
}
.prod-matrix-cell.global {
  background: color-mix(in oklab, var(--accent) 28%, var(--paper)) !important;
  color: var(--paper);
}
.prod-matrix-verdict {
  grid-column: 1 / -1;
  font-family: "Newsreader", serif !important;
  font-size: 13.5px !important;
  line-height: 1.5;
  color: var(--ink-soft);
  background: var(--paper) !important;
  font-style: italic;
  padding: 8px 14px 14px !important;
}

/* ── AI grid ────────────────────────────────────────────────── */
.prod-ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ink-dim);
  border: 1px solid var(--ink-dim);
}
.prod-ai-tile {
  background: var(--paper);
  padding: 18px 22px;
}
.prod-ai-tile h4 {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 10px;
}
.prod-ai-tile.fact { border-left: 2px solid var(--accent); }
.prod-ai-tile ul { list-style: none; padding: 0; margin: 0; }
.prod-ai-tile li {
  font-family: "Newsreader", serif;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
  padding: 6px 0;
  border-top: 1px solid var(--ink-dim);
}
.prod-ai-tile li:first-child { border-top: 0; }
.prod-ai-tile li strong { color: var(--accent); font-weight: 500; }
.prod-ai-tile .interp-side {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink);
  margin-bottom: 4px;
}
.prod-ai-tile .interp-forecast {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}
.prod-ai-tile .interp-logic {
  font-family: "Newsreader", serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* ── Receipts ───────────────────────────────────────────────── */
.prod-receipts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-dim);
  border: 1px solid var(--ink-dim);
}
.prod-receipt {
  background: var(--paper);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.prod-receipt-label {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.prod-receipt-value {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
}
.prod-receipt-sub {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  color: var(--ink-soft);
}

/* ── Methodology grid ───────────────────────────────────────── */
.prod-method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 36px;
  margin-top: 14px;
}
.prod-method-grid .method-head,
.prod-method-head {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.prod-method-grid p {
  font-family: "Newsreader", serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.prod-method-grid code {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--accent);
}

.prod-readinglist {
  margin-top: 22px;
}
.prod-readinglist ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.prod-readinglist li {
  font-size: 11px;
  margin-bottom: 4px;
}
.prod-readinglist a {
  border-bottom: 1px solid var(--ink-dim);
  color: var(--ink-soft);
}
.prod-readinglist a:hover { color: var(--accent); border-color: var(--accent); }

.prod-caveats {
  margin-top: 28px;
  border-top: 1px solid var(--ink-dim);
  padding-top: 22px;
}
.prod-caveat-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.prod-caveats ul {
  margin: 0;
  padding-left: 22px;
  list-style: square;
}
.prod-caveats li {
  font-family: "Newsreader", serif;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.prod-caveats em { font-style: italic; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .prod-section { padding: 48px 36px; }
  .prod-hero { padding: 88px 36px 40px; }
  .prod-receipts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .prod-matrix-row { grid-template-columns: 160px repeat(4, 1fr) 100px; font-size: 10px; }
  .prod-ai-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .prod-section { padding: 36px 20px; }
  .prod-hero { padding: 72px 20px 32px; }
  .prod-dateline { grid-template-columns: 1fr 1fr; }
  .prod-method-grid { grid-template-columns: 1fr; }
  .prod-receipts { grid-template-columns: 1fr 1fr; }
  .prod-matrix-row { grid-template-columns: 1fr; }
  .prod-matrix-row.head { display: none; }
  .prod-matrix-cell { display: none; }
  .prod-matrix-row > div:first-child { background: var(--paper-2); font-weight: 500; }
}