/* ═══════════════════════════════════════════════════════════════════════
   /methodologie - RCT schema, Panel, Significativité, Limites, Whitepaper
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.meth-hero {
  padding-top: 96px;
  padding-bottom: 96px;
  border-top: none;
  text-align: left;
}
.meth-hero-inner {
  max-width: 980px;
}

/* ─── RCT schema ─────────────────────────────────────────────────────────── */
.rct-schema {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  margin-bottom: 32px;
}
.rct-col {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.rct-col-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.rct-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
}
.rct-tag.dim {
  color: var(--ink-3);
  background: var(--bg);
  border: 1px solid var(--line);
}
.rct-n {
  font-size: 12px;
  color: var(--ink-3);
}
.rct-people {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
  padding: 16px 0;
}
.dot-person {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--ink-4);
  opacity: 0.35;
}
.dot-person.on {
  background: var(--accent);
  opacity: 1;
}
.rct-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
}
.rct-col-foot {
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

.rct-arrow {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 0 0;
}
.rct-arrow-line {
  width: 1px;
  height: 24px;
  background: var(--line);
}
.rct-uplift {
  background: var(--ink);
  color: var(--bg);
  padding: 18px 32px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}
.rct-uplift .dim {
  font-size: 11px;
  color: color-mix(in oklab, var(--bg) 60%, transparent);
  letter-spacing: 0.04em;
}
.rct-uplift-val {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.rct-foot {
  margin: 24px 0 0;
  text-align: center;
  font-size: 11px;
  color: var(--ink-4);
}
@media (max-width: 900px) {
  .rct-schema { grid-template-columns: 1fr; }
}

/* ─── Panel stats ───────────────────────────────────────────────────────── */
.panel-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  overflow: hidden;
  margin-bottom: 32px;
}
.stat {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--accent);
}
.stat-label {
  font-size: 14px;
  color: var(--ink-2);
}
@media (max-width: 900px) {
  .panel-stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

.panel-checks {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.panel-checks-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}
.panel-checks ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.panel-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
}
.panel-checks .check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: inline-grid; place-items: center;
}
@media (max-width: 700px) {
  .panel-checks ul { grid-template-columns: 1fr; }
}

/* ─── Significativité card ──────────────────────────────────────────────── */
.sig-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sig-row {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1.3fr 0.8fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 28px;
  border-top: 1px solid var(--line);
}
.sig-row:first-child { border-top: none; }
.sig-label {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.sig-uplift {
  font-size: 22px;
  font-weight: 700;
  color: var(--positive);
  letter-spacing: -0.02em;
}
.sig-ci, .sig-p {
  font-size: 12px;
  color: var(--ink-3);
}
.sig-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
}
.sig-badge.good {
  background: color-mix(in oklab, var(--positive) 14%, transparent);
  color: var(--positive);
}
.sig-badge.neutral {
  background: var(--bg);
  color: var(--ink-3);
  border: 1px solid var(--line);
}
.sig-row:has(.sig-badge.neutral) .sig-uplift { color: var(--ink-3); }
.sig-note {
  margin: 18px 0 0;
  text-align: center;
  font-size: 11px;
  color: var(--ink-4);
}
@media (max-width: 900px) {
  .sig-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ── Calculateur Brand Lift ── */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}
.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-soft, var(--bg));
}
.calc-field { display: flex; flex-direction: column; gap: 9px; }
.calc-lbl { display: flex; justify-content: space-between; align-items: baseline; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.calc-lbl .mono { color: var(--ink); font-size: 15px; }
.calc-hint { font-size: 10.5px; color: var(--ink-4); text-transform: uppercase; letter-spacing: 0.03em; }
.calc-field input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px; border-radius: 999px;
  background: var(--line); outline: none; cursor: pointer;
}
.calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
  box-shadow: 0 1px 4px rgba(0,0,0,.25); cursor: pointer;
}
.calc-field input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg); cursor: pointer;
}
.calc-result {
  display: flex; flex-direction: column; gap: 18px;
  padding: 26px 28px; border-radius: 18px;
  border: 1px solid var(--line); background: var(--bg);
  transition: border-color .2s, background .2s;
}
.calc-result.ok { border-color: color-mix(in oklab, var(--positive) 45%, var(--line)); background: color-mix(in oklab, var(--positive) 6%, var(--bg)); }
.calc-verdict { display: flex; align-items: center; justify-content: space-between; }
.calc-uplift { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; color: var(--ink); }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.calc-grid > div { display: flex; flex-direction: column; gap: 3px; }
.calc-k { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-4); }
.calc-v { font-size: 16px; font-weight: 600; color: var(--ink); }
.calc-reco {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12.5px; line-height: 1.5; color: var(--ink-2);
}
@media (max-width: 900px) {
  .calc { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── Limites grid ──────────────────────────────────────────────────────── */
.limits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-card);
}
.limit {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.limit::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 28px;
  width: 36px;
  height: 1px;
  background: var(--negative);
}
.limit-num {
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  margin-top: 16px;
}
.limit-label {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}
.limit-body {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
}
@media (max-width: 700px) { .limits-grid { grid-template-columns: 1fr; } }

/* ─── Whitepaper card ───────────────────────────────────────────────────── */
.wp-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
}
.wp-cover {
  background: var(--ink);
  color: var(--bg);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  min-height: 480px;
}
.wp-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(400px 240px at 100% 0%, color-mix(in oklab, var(--accent) 30%, transparent), transparent 60%),
    radial-gradient(300px 200px at 0% 100%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%);
  pointer-events: none;
}
.wp-cover > * { position: relative; }
.wp-cover-band {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: color-mix(in oklab, var(--bg) 60%, transparent);
}
.wp-cover-title {
  display: flex;
  flex-direction: column;
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
  margin: 32px 0;
}
.wp-cover-em {
  color: var(--accent);
}
.wp-cover-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: color-mix(in oklab, var(--bg) 60%, transparent);
}
.wp-text {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.wp-title {
  font-size: clamp(28px, 3vw, 40px);
  margin: 8px 0 0;
}
.wp-sub {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
  max-width: 460px;
}
.wp-toc {
  list-style: none;
  padding: 14px 0;
  margin: 12px 0 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}
.wp-toc li {
  display: grid;
  grid-template-columns: 28px 1fr;
  font-size: 12px;
  color: var(--ink-2);
}
.wp-toc .mono { color: var(--ink-4); }
.wp-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 980px) {
  .wp-card { grid-template-columns: 1fr; }
  .wp-cover { min-height: 280px; padding: 36px; }
  .wp-cover-title { font-size: 36px; }
  .wp-text { padding: 36px; }
  .wp-toc { grid-template-columns: 1fr; }
}