/* ───────────────────────────────────────────
   Interactive research artefacts
   (personas, journey maps, flowcharts, empathy maps)
   Layered on top of y2k.css + case.css
─────────────────────────────────────────── */

.artefact {
  max-width: 1020px;
  margin: 0 auto 56px;
  padding: 0 44px;
}
.artefact-frame {
  background: var(--card);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 30px 30px 34px;
}
.artefact-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.artefact-kicker {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hot);
}
.artefact-hint {
  font-family: 'Caveat', cursive;
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--ink-muted);
  transform: rotate(-1.5deg);
}

/* ── PERSONA SWITCHER ── */
.persona {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
}
.persona-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.persona-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: none;
  background: var(--bg);
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  transition: background .2s, transform .2s, box-shadow .2s;
  font-family: inherit;
}
.persona-tab:hover { transform: translateX(3px); }
.persona-tab.active {
  background: var(--hot);
  box-shadow: 0 8px 20px rgba(232,67,147,.3);
}
.persona-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
}
.persona-tab.active .persona-avatar { background: #fff !important; color: var(--hot) !important; }
.persona-tab .pt-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink);
  line-height: 1.15;
  transition: color .2s;
}
.persona-tab .pt-role {
  font-size: .72rem;
  color: var(--ink-muted);
  transition: color .2s;
}
.persona-tab.active .pt-name,
.persona-tab.active .pt-role { color: #fff; }

.persona-detail { position: relative; min-height: 300px; }
.persona-panel { display: none; animation: fadeUp .4s ease; }
.persona-panel.active { display: block; }
@keyframes fadeUp { from { opacity:0; transform: translateY(10px);} to {opacity:1; transform:none;} }

.persona-quote {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--ink);
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.persona-quote .q-name { font-style: normal; font-weight: 600; color: var(--hot); }
.persona-context {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 22px;
}
.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
}
.persona-block h4 {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--hot);
  margin-bottom: 9px;
}
.persona-block ul { list-style: none; }
.persona-block li {
  font-size: .85rem;
  line-height: 1.45;
  color: var(--ink);
  padding: 5px 0 5px 16px;
  position: relative;
}
.persona-block li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--hot);
}

/* ── STAGE JOURNEY MAP ── */
.journey-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(150px, 1fr);
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 6px;
}
.journey-stage {
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  padding: 0;
  font-family: inherit;
  position: relative;
}
.js-top {
  padding: 14px 14px 16px;
  border-radius: 14px 14px 0 0;
  background: var(--bg);
  border-bottom: 3px solid var(--line);
  transition: background .25s, border-color .25s;
  height: 100%;
}
.journey-stage.active .js-top {
  background: linear-gradient(160deg, #FFE0EE, #FFC9E0);
  border-bottom-color: var(--hot);
}
.js-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--hot);
  color: #fff;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: .8rem;
  margin-bottom: 10px;
}
.js-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: .95rem;
  line-height: 1.2;
  color: var(--ink);
}
.js-arrow {
  position: absolute;
  right: -1px; top: 34px;
  color: var(--ink-muted);
  font-size: .9rem;
  z-index: 1;
}
.journey-stage:last-child .js-arrow { display: none; }

.journey-detail {
  margin-top: 18px;
  background: var(--bg);
  border-radius: 16px;
  padding: 24px 26px;
}
.journey-panel { display: none; animation: fadeUp .35s ease; }
.journey-panel.active { display: block; }
.journey-panel h4 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--hot);
  margin-bottom: 14px;
}
.journey-panel ul { list-style: none; columns: 2; column-gap: 32px; }
.journey-panel li {
  font-size: .88rem;
  line-height: 1.5;
  color: var(--ink);
  padding: 6px 0 6px 18px;
  position: relative;
  break-inside: avoid;
}
.journey-panel li::before {
  content: '✦';
  position: absolute; left: 0; top: 6px;
  color: var(--hot);
  font-size: .7rem;
}

/* ── FLOWCHART ── */
.flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
}
.flow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.flow-node {
  position: relative;
  padding: 14px 20px;
  border-radius: 12px;
  background: #EDE4FA;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: .85rem;
  color: #3A2B66;
  text-align: center;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.flow-node[data-note] { cursor: pointer; }
.flow-node[data-note]:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(89,50,180,.22);
  background: #E2D4F7;
}
.flow-node.terminal {
  background: #2A1B45;
  color: #fff;
  border-radius: 999px;
  padding: 12px 26px;
}
.flow-node.decision {
  background: #5932B4;
  color: #fff;
}
.flow-node.decision::after { content: ' ?'; }
.flow-connector {
  color: var(--ink-muted);
  font-size: 1.1rem;
  padding: 4px 0;
}
.flow-connector.down { transform: rotate(90deg); }
.flow-branch-label {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--hot);
  padding: 0 6px;
}
.flow-note-pop {
  margin-top: 18px;
  background: linear-gradient(160deg, #E5FBEF, #D6F5E4);
  border-radius: 14px;
  padding: 16px 20px;
  font-size: .88rem;
  line-height: 1.55;
  color: #1C5238;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 56px;
}
.flow-note-pop::before {
  content: '✎';
  font-size: 1rem;
  flex-shrink: 0;
  color: #2E8B57;
}
.flow-note-pop .placeholder { color: var(--ink-muted); font-style: italic; }

/* ── SWIMLANE JOURNEY MAP (with emotion curve) ── */
.swimlane { min-width: 640px; }
.swim-scroll { overflow-x: auto; padding-bottom: 6px; }
.swim-row {
  display: grid;
  grid-template-columns: 110px repeat(var(--stages), 1fr);
  gap: 8px;
  align-items: stretch;
}
.swim-row + .swim-row { margin-top: 8px; }
.swim-label {
  display: flex;
  align-items: center;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.swim-stage {
  border: none;
  cursor: pointer;
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: .82rem;
  line-height: 1.15;
  color: var(--ink);
  background: linear-gradient(160deg, #FFE0EE, #FFC9E0);
  border-radius: 12px;
  padding: 12px 10px;
  text-align: center;
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.swim-stage:hover { transform: translateY(-2px); }
.swim-stage.active { box-shadow: 0 8px 20px rgba(232,67,147,.32); filter: saturate(1.1); }
.swim-cell {
  background: var(--bg);
  border-radius: 10px;
  padding: 12px 12px;
  font-size: .8rem;
  line-height: 1.5;
  color: var(--ink);
  transition: background .2s, box-shadow .2s;
}
.swim-col-active { background: #FFEAF3; box-shadow: inset 0 0 0 1.5px rgba(232,67,147,.4); }

/* emotions row */
.swim-emotions .swim-track {
  grid-column: 2 / -1;
  position: relative;
  height: 86px;
}
.swim-emo {
  position: absolute;
  top: calc((1 - var(--lvl)) * 60px + 8px);
  transform: translateX(-50%);
  font-size: 1.5rem;
  z-index: 2;
  transition: top .3s;
}
.swim-curve {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
}
.swim-curve polyline {
  fill: none;
  stroke: var(--hot);
  stroke-width: 2;
  stroke-dasharray: 5 5;
  opacity: .55;
}

/* ── JOURNEY TIMELINE (clear, all stages visible) ── */
.jtimeline-scroll { overflow-x: auto; padding-bottom: 8px; }
.jtimeline { display: flex; min-width: min-content; }
.jt-stage { flex: 0 0 200px; display: flex; flex-direction: column; }
.jt-rail { position: relative; height: 46px; display: flex; align-items: center; justify-content: center; }
.jt-rail::before {
  content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 2px;
  background: repeating-linear-gradient(90deg, var(--hot) 0 8px, transparent 8px 14px);
  opacity: .4;
}
.jt-stage:first-child .jt-rail::before { left: 50%; }
.jt-stage:last-child .jt-rail::before { right: 50%; }
.jt-dot {
  position: relative; z-index: 1;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--hot); color: #fff;
  font-family: 'Fraunces', serif; font-weight: 600; font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(232,67,147,.34);
}
.jt-card {
  margin: 12px 8px 0;
  background: var(--bg);
  border-radius: 16px;
  padding: 16px 16px 18px;
  flex: 1;
  transition: transform .2s, box-shadow .2s;
}
.jt-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(232,67,147,.16); }
.jt-name {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 1rem;
  color: var(--ink); margin-bottom: 12px; line-height: 1.15;
}
.jt-list { list-style: none; }
.jt-list li {
  font-size: .82rem; line-height: 1.45; color: var(--ink-muted);
  padding: 5px 0 5px 15px; position: relative;
}
.jt-list li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--hot);
}

/* ── PAINS & GAINS ── */
.pg { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pg-col { background: var(--bg); border-radius: 18px; padding: 20px 20px 22px; }
.pg-pill {
  display: inline-block; font-family: 'Fraunces', serif; font-weight: 600;
  font-size: .9rem; letter-spacing: .06em; color: #fff;
  padding: 8px 22px; border-radius: 999px; margin-bottom: 6px;
}
.pg-col.pains .pg-pill { background: #E07A5F; }
.pg-col.gains .pg-pill { background: #5BA85C; }
.pg-q { font-size: .8rem; color: var(--ink-muted); margin: 8px 0 14px; line-height: 1.5; }
.pg-notes { display: flex; flex-wrap: wrap; gap: 8px; }
.pg-note {
  font-size: .78rem; line-height: 1.4; padding: 10px 12px; border-radius: 3px;
  width: calc(33.333% - 6px); min-height: 60px;
  box-shadow: 2px 3px 8px rgba(89,50,180,.1); transition: transform .18s;
}
.pg-note:hover { transform: scale(1.04) rotate(-1deg); z-index: 2; }
.pg-col.pains .pg-note { background: #F6C7B6; color: #5A2415; }
.pg-col.gains .pg-note { background: #B6DD9B; color: #234017; }

/* ── NOTES PANEL ── */
.notes-panel {
  background: linear-gradient(160deg, #E9F0E2, #DCE8D2);
  border-radius: 20px;
  padding: 32px 34px 34px;
  box-shadow: var(--shadow);
}
.notes-panel.notes-inline {
  margin-top: 16px;
  box-shadow: none;
  border-radius: 16px;
}
.notes-title {
  font-family: 'Fraunces', serif; font-weight: 600;
  font-size: 2rem; color: #2A331F; margin-bottom: 18px;
}
.notes-primary {
  font-size: .9rem; font-weight: 600; color: #2A331F; margin-bottom: 14px;
}
.notes-list { list-style: none; }
.notes-list li {
  font-size: .88rem; line-height: 1.6; color: #3B4A2C;
  padding: 7px 0 7px 18px; position: relative;
}
.notes-list li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 6px; height: 6px; border-radius: 50%; background: #5BA85C;
}

/* ── WIREFRAME GALLERY ── */
.wireframes {
  display: flex; gap: 30px; align-items: center; justify-content: center;
  flex-wrap: wrap;
}

/* ── FLOWCHART (SVG) ── */
.flowchart-scroll { padding-bottom: 6px; }
.flowchart { display: block; width: 100%; min-width: 0; max-width: 600px; margin: 0 auto; height: auto; }
.fc-box { fill: #FFE0EE; stroke: #E84393; stroke-width: 1.5; }
.fc-diamond { fill: #EDE4FA; stroke: #9B59B6; stroke-width: 1.5; }
.fc-term { fill: #2A1B45; }
.fc-label { font-family: 'DM Sans', sans-serif; font-weight: 500; font-size: 13px; fill: #6B1239; }
.fc-label.sm { font-size: 12px; }
.fc-term-label { fill: #fff; }
.fc-yn { font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 11px; fill: #9B59B6; }
.fc-edge { stroke: #B96A8E; stroke-width: 1.6; fill: none; }
.fc-edge-dash { stroke: #9B59B6; stroke-width: 1.5; fill: none; stroke-dasharray: 5 4; }
.fc-node { transition: opacity .2s; }
.fc-node:hover { opacity: .82; }

.fc-insights {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 24px;
}
.fc-insight {
  background: #DFF85A; color: #2A3300; border-radius: 4px; padding: 12px 14px;
  box-shadow: 3px 4px 10px rgba(89,50,180,.14);
}
.fci-step {
  font-size: .58rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: #5a7a00; margin-bottom: 6px;
}
.fci-step::before { content: '✎ '; }
.fci-text { font-size: .8rem; line-height: 1.4; }

@media(max-width:768px){
  .fc-insights { grid-template-columns: 1fr 1fr; }
}

/* ── EMPATHY MAP ── */
.empathy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.emp-quad {
  background: var(--bg);
  border-radius: 18px;
  padding: 20px 20px 22px;
  transition: transform .2s, box-shadow .2s;
}
.emp-quad:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(232,67,147,.14); }
.emp-pill {
  display: inline-block;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .08em;
  color: #fff;
  background: var(--hot);
  padding: 8px 22px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.emp-quad:nth-child(2) .emp-pill { background: #9B59B6; }
.emp-quad:nth-child(3) .emp-pill { background: #3A7BD5; }
.emp-quad:nth-child(4) .emp-pill { background: #E8924A; }
.emp-q {
  font-size: .8rem;
  color: var(--ink-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.emp-notes { display: flex; flex-wrap: wrap; gap: 8px; }
.emp-note {
  background: #FFF3B0;
  color: #4A3D00;
  font-size: .78rem;
  line-height: 1.4;
  padding: 10px 12px;
  border-radius: 3px;
  box-shadow: 2px 3px 8px rgba(89,50,180,.12);
  width: calc(33.333% - 6px);
  min-height: 64px;
  transition: transform .18s;
}
.emp-note:hover { transform: scale(1.04) rotate(-1deg); z-index: 2; }
.emp-feel { font-weight: 500; }

/* ── VERTICAL FLOW ── */
.vflow-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start; }
.vflow { display: flex; flex-direction: column; align-items: stretch; }
.vstep {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  border: none;
  width: 100%;
  text-align: left;
  background: var(--bg);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
  font-family: inherit;
  transition: background .2s, box-shadow .2s, transform .2s;
}
.vstep:hover { transform: translateX(3px); }
.vstep.active {
  background: linear-gradient(160deg, #FFE0EE, #FFC9E0);
  box-shadow: 0 8px 22px rgba(232,67,147,.26);
}
.vstep-badge {
  width: 30px; height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--hot);
  color: #fff;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
}
.vstep.decision .vstep-badge { border-radius: 8px; transform: rotate(45deg); background: #9B59B6; }
.vstep.decision .vstep-badge span { transform: rotate(-45deg); }
.vstep.terminal .vstep-badge { background: #2A1B45; }
.vstep-body { flex: 1; }
.vstep-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: .98rem;
  color: var(--ink);
  line-height: 1.2;
}
.vstep-branches { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.vbranch {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(155,89,182,.12);
  color: #7d3ca0;
}
.vstep-plus {
  flex-shrink: 0;
  color: var(--ink-muted);
  font-size: 1.1rem;
  transition: color .2s, transform .2s;
}
.vstep.active .vstep-plus { color: var(--hot); transform: rotate(90deg); }
.vflow-connector {
  width: 2px; height: 16px;
  background: repeating-linear-gradient(var(--ink-muted) 0 3px, transparent 3px 6px);
  margin: 2px 0 2px 30px;
  opacity: .5;
}
.vflow-detail {
  position: sticky;
  top: 90px;
  background: linear-gradient(160deg, #FFF6FA, #FFEAF3);
  border-radius: 18px;
  padding: 26px 26px 28px;
  box-shadow: var(--shadow);
}
.vflow-detail .vd-step {
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hot);
  margin-bottom: 8px;
}
.vflow-detail .vd-title {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.3rem;
  line-height: 1.2;
  margin-bottom: 12px;
}
.vflow-detail .vd-text {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink-muted);
}
.vflow-detail .vd-insight {
  margin-top: 16px;
  background: #DFF85A;
  color: #2A3300;
  font-size: .82rem;
  line-height: 1.5;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: 3px;
  box-shadow: 3px 4px 10px rgba(89,50,180,.14);
  display: none;
}
.vflow-detail .vd-insight.show { display: block; }
.vflow-detail .vd-insight::before { content: '✎ '; }

/* ── STAGE CARDS (distinct journey variant) ── */
.stagecards-scroll { overflow-x: auto; padding-bottom: 8px; }
.stagecards {
  display: flex;
  gap: 14px;
  min-width: min-content;
}
.scard {
  flex: 0 0 210px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(45,27,69,.12);
  border: 1.5px solid #EAE0F5;
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.scard:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(89,50,180,.2); }
.scard-mood { height: 6px; }
.scard-mood.good { background: #5BBF73; }
.scard-mood.ok   { background: #E8B84B; }
.scard-mood.low  { background: #E06A6A; }
.scard-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px 12px;
  background: linear-gradient(160deg, #5932B4, #3E2080);
}
.scard-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: #fff;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.scard-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: .95rem;
  color: #fff;
  flex: 1;
  line-height: 1.15;
}
.scard-emoji { font-size: 1.3rem; }
.scard-body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.scard-block .sc-label {
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #9B59B6;
  margin-bottom: 5px;
}
.scard-block .sc-text {
  font-size: .82rem;
  line-height: 1.45;
  color: var(--ink);
}

/* ── IMPACT / EFFORT MATRIX ── */
.matrix-wrap {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
}
.matrix-y {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.matrix-main { display: flex; flex-direction: column; gap: 10px; }
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
}
.quad {
  background: var(--bg);
  border-radius: 16px;
  padding: 18px 18px 20px;
  min-height: 150px;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.quad:hover { background: #FFEAF3; transform: translateY(-3px); box-shadow: 0 12px 26px rgba(232,67,147,.16); }
.quad-title {
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.quad.hi .quad-title { color: var(--hot); }
.sticky {
  display: inline-block;
  background: #DFF85A;
  color: #2A3300;
  font-size: .82rem;
  line-height: 1.4;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: 3px;
  box-shadow: 3px 4px 10px rgba(89,50,180,.16);
  transform: rotate(-1.5deg);
  margin: 0 8px 8px 0;
  transition: transform .2s;
}
.quad:hover .sticky { transform: rotate(0deg) scale(1.02); }
.matrix-x {
  text-align: center;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-left: 36px;
}

/* ── INSIGHT CARDS ── */
.insight-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.insight {
  background: var(--bg);
  border-radius: 16px;
  padding: 22px 20px;
  position: relative;
  transition: transform .2s, box-shadow .2s;
}
.insight:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(232,67,147,.16); }
.insight-num {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--hot);
  opacity: .35;
  margin-bottom: 8px;
}
.insight h4 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.3;
  color: var(--ink);
}

@media (max-width: 768px) {
  .artefact { padding: 0 20px; }
  .artefact-frame { padding: 22px 18px 26px; }
  .persona { grid-template-columns: 1fr; }
  .persona-tabs { flex-direction: row; overflow-x: auto; }
  .persona-tab { flex-shrink: 0; }
  .persona-tab .pt-role { display: none; }
  .persona-grid { grid-template-columns: 1fr; }
  .journey-panel ul { columns: 1; }
  .matrix-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .insight-row { grid-template-columns: 1fr; }
  /* stack the two-column artefacts so their sticky notes aren't crushed */
  .pg { grid-template-columns: 1fr; }
  .empathy { grid-template-columns: 1fr; }
  .pg-note, .emp-note { width: calc(50% - 4px); }
  .vflow-wrap { grid-template-columns: 1fr; gap: 18px; }
  .vflow-detail { position: static; }
}