/* "Go deeper": the optional 3–5 minute case. Same visual language as the challenge layer. */
#cx.deep { background: rgba(8,9,10,.78); backdrop-filter: blur(6px) saturate(1.1); -webkit-backdrop-filter: blur(6px) saturate(1.1); }
.dx-card { width: min(1000px, 100%); }
.dx-offer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; padding: 16px 18px; border-radius: 16px; border: 1px dashed rgba(199,255,53,.35); background: rgba(199,255,53,.04); }
.dx-offer > div { display: flex; flex-direction: column; gap: 3px; }
.dx-offer .cx-tag { color: var(--lime); }
.dx-offer b { font: 600 16.5px var(--display); color: var(--text); }
.dx-offer span:not(.cx-tag) { font-size: 14px; color: var(--muted); line-height: 1.45; }
.dx-offer .cx-btn { flex: none; }
.cx-nextcard.deep { border-color: rgba(199,255,53,.4); background: rgba(199,255,53,.05); }
.cx-nextcard.deep .cx-tag { color: var(--lime); }

/* progress */
.dx-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.dx-badge { font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #0B0C08; background: var(--lime); padding: 4px 9px; border-radius: 999px; }
.dx-nav ol { display: flex; gap: 6px; margin: 0; padding: 0; list-style: none; flex-wrap: wrap; }
.dx-nav li { display: flex; align-items: center; gap: 6px; font: 500 11px var(--mono); letter-spacing: .04em; color: var(--subtle); padding: 3px 9px 3px 4px; border-radius: 999px; border: 1px solid var(--line); }
.dx-nav li span { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 10px; border: 1px solid var(--line); }
.dx-nav li em { font-style: normal; }
.dx-nav li.done { color: var(--muted); } .dx-nav li.done span { background: rgba(199,255,53,.15); border-color: rgba(199,255,53,.4); color: var(--lime); }
.dx-nav li.on { color: var(--text); border-color: rgba(199,255,53,.5); } .dx-nav li.on span { background: var(--lime); color: #0B0C08; border-color: var(--lime); }

/* the case */
.dx-company { font: 500 11.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--lav); }
.dx-card h2 { margin-top: 10px; }
.dx-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
.dx-facts > div { padding: 14px 16px; border-radius: 14px; background: rgba(244,245,240,.035); border: 1px solid var(--line); }
.dx-facts span { font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--lime); }
.dx-facts p { margin: 6px 0 0; font-size: 15px; line-height: 1.5; color: var(--text); }
.dx-people { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dx-person { display: flex; flex-direction: column; gap: 4px; padding: 14px; border-radius: 14px; border: 1px solid rgba(178,140,255,.25); background: rgba(127,58,237,.06); }
.dx-person b { font: 600 14.5px var(--display); color: var(--text); }
.dx-person span { font-size: 12.5px; color: var(--muted); }
.dx-person p { margin: 6px 0 0; font-size: 14px; line-height: 1.45; color: var(--text); font-style: italic; }
.dx-ku { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.dx-ku > div { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); }
.dx-ku h4 { margin: 0 0 8px; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--subtle); }
.dx-ku > div:first-child h4 { color: var(--lime); } .dx-ku > div:last-child h4 { color: var(--lav); }
.dx-ku ul { margin: 0; padding-left: 18px; display: grid; gap: 5px; }
.dx-ku li { font-size: 14.5px; line-height: 1.45; color: var(--text); }
.dx-moves { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dx-move { position: relative; display: flex; gap: 12px; align-items: flex-start; text-align: left; padding: 16px 34px 16px 14px; border-radius: 16px; border: 1px solid rgba(178,140,255,.32); background: rgba(127,58,237,.08); transition: border-color .2s, background .2s, transform .2s var(--ease); }
.dx-move:hover { border-color: rgba(199,255,53,.7); background: rgba(199,255,53,.06); transform: translateY(-1px); }
.dx-move b { display: block; font: 600 16px/1.25 var(--display); color: var(--text); }
.dx-move small { display: block; margin-top: 4px; font-size: 13.5px; line-height: 1.45; color: var(--muted); }
.dx-move .cx-arrow { position: absolute; right: 12px; top: 18px; font-style: normal; color: var(--muted); }

/* two leaders in action */
.dx-yours { display: inline-flex; align-items: center; gap: 8px; font: 500 12px var(--mono); letter-spacing: .06em; color: var(--muted); padding: 5px 12px 5px 6px; border-radius: 999px; border: 1px solid var(--line); }
.dx-yours .cx-letter { width: 24px; height: 24px; font-size: 11px; }
.dx-leaders { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dx-leader { padding: 16px; border-radius: 18px; border: 1px solid rgba(178,140,255,.28); background: rgba(127,58,237,.06); }
.dx-lh { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.dx-lh b { font: 600 17px var(--display); }
.dx-lean { margin-left: auto; font: 500 11px var(--mono); color: var(--lime); border: 1px solid rgba(199,255,53,.35); border-radius: 999px; padding: 3px 9px; }
.dx-moments { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.dx-moments li { position: relative; display: grid; grid-template-columns: 52px 1fr; gap: 10px; padding: 0 0 14px; }
.dx-moments li::before { content: ""; position: absolute; left: 25px; top: 24px; bottom: 0; width: 1px; background: rgba(178,140,255,.25); }
.dx-moments li:last-child::before { display: none; }
.dx-day { align-self: start; text-align: center; font: 600 10.5px var(--mono); letter-spacing: .04em; color: var(--lav); border: 1px solid rgba(178,140,255,.4); border-radius: 999px; padding: 3px 0; background: #120f1a; position: relative; z-index: 1; }
.dx-moments b { font: 600 13.5px var(--display); color: var(--text); }
.dx-moments p { margin: 3px 0 6px; font-size: 14.5px; line-height: 1.5; color: var(--text); opacity: .92; }
.dx-skill { display: inline-block; font: 500 10.5px var(--mono); color: var(--lime); border: 1px solid rgba(199,255,53,.3); border-radius: 999px; padding: 2px 8px; }
.dx-why { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dx-why > div { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: rgba(244,245,240,.03); }
.dx-why b { font: 600 15px var(--display); color: var(--text); }
.dx-why p { margin: 5px 0 0; font-size: 14px; line-height: 1.5; color: var(--muted); }

/* the turning point */
.dx-turn { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; padding: 20px; border-radius: 18px; border: 1px solid rgba(199,255,53,.35); background: linear-gradient(135deg, rgba(199,255,53,.09), rgba(14,15,17,.6) 60%); }
.dx-turn h2 { margin: 0 0 8px; }
.dx-day.big { font-size: 13px; padding: 8px 12px; color: #0B0C08; background: var(--lime); border-color: var(--lime); }
.dx-resp { display: flex; flex-wrap: wrap; gap: 8px; }
.dx-chip { padding: 11px 16px; border-radius: 999px; border: 1px solid rgba(178,140,255,.35); background: rgba(127,58,237,.08); font: 600 14.5px var(--body); color: var(--text); transition: border-color .2s, background .2s; }
.dx-chip:hover { border-color: rgba(199,255,53,.6); }
.dx-chip.on { border-color: var(--lime); background: rgba(199,255,53,.12); color: var(--lime); }
.dx-inv { margin-top: 18px; padding: 16px; border-radius: 16px; border: 1px solid var(--line); background: rgba(244,245,240,.03); animation: cxrise .45s var(--ease) both; }
.dx-inv[hidden] { display: none; }
.dx-ip { margin: 0 0 10px; font: 600 14.5px var(--display); color: var(--text); }
.dx-check { display: flex; gap: 10px; align-items: flex-start; padding: 7px 4px; font-size: 14.5px; line-height: 1.45; color: var(--text); cursor: pointer; }
.dx-check input { margin-top: 3px; accent-color: #C7FF35; width: 16px; height: 16px; flex: none; }
.dx-inv textarea { width: 100%; margin-top: 8px; background: #0E0F11; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; font: 14.5px/1.45 var(--body); resize: vertical; }
.cx-btn:disabled { opacity: .4; cursor: not-allowed; }

/* what changed */
.dx-adapt { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dx-ad { padding: 16px; border-radius: 16px; border: 1px solid rgba(178,140,255,.28); background: rgba(127,58,237,.06); }
.dx-ad p { margin: 0; font-size: 15px; line-height: 1.52; color: var(--text); }
.dx-ad .dx-shift { margin-top: 10px; font-size: 13.5px; color: var(--lime); }
.cx-insight.sm { font-size: clamp(18px, 1.9vw, 22px); margin-top: 22px; }
.dx-legend { display: flex; gap: 18px; font: 500 11px var(--mono); color: var(--muted); margin: -4px 0 10px; }
.dx-legend i, .dx-bar i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; }
.dx-legend span { display: inline-flex; align-items: center; gap: 7px; }
.ghost { border: 1.5px dashed rgba(244,245,240,.55); background: transparent; }
.solid { background: var(--lime); box-shadow: 0 0 12px rgba(199,255,53,.6); }
.dx-tracks { display: grid; gap: 4px; }
.dx-ends { display: grid; grid-template-columns: 240px 1fr 1fr; column-gap: 16px; font: 500 11px var(--mono); letter-spacing: .06em; color: var(--subtle); }
.dx-ends span:first-child { grid-column: 2; }
.dx-ends span:last-child { grid-column: 3; text-align: right; }
.dx-track { display: grid; grid-template-columns: 240px 1fr; gap: 16px; align-items: center; padding: 9px 0; border-top: 1px solid rgba(244,245,240,.06); }
.dx-tn b { display: block; font: 600 14px var(--display); color: var(--text); }
.dx-tn small { display: block; font-size: 12.5px; line-height: 1.4; color: var(--muted); margin-top: 2px; }
.dx-bar { position: relative; height: 22px; }
.dx-bar::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; transform: translateY(-50%); border-radius: 2px; background: linear-gradient(90deg, rgba(199,255,53,.35), rgba(244,245,240,.12) 50%, rgba(178,140,255,.4)); }
.dx-bar i { position: absolute; top: 50%; transform: translate(-50%, -50%); }
.dx-bar .ghost { left: var(--b); }
.dx-bar .solid { left: var(--b); }
.dx-tracks.in .dx-bar .solid { left: var(--a); animation: dxslide 1.2s .25s var(--ease) both; }
.dx-span { position: absolute; top: 50%; height: 6px; transform: translateY(-50%); border-radius: 6px; background: rgba(199,255,53,.22); opacity: 0; }
.dx-tracks.in .dx-span { opacity: 1; animation: cxfade .8s .8s both; }
@keyframes dxslide { from { left: var(--b); } }

/* takeaway */
.dx-reflect { margin-top: 20px; padding: 16px 18px; border-radius: 16px; border: 1px solid rgba(178,140,255,.35); background: rgba(127,58,237,.08); }
.dx-reflect span { font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--lav); }
.dx-reflect p { margin: 6px 0 0; font: 600 17px/1.4 var(--display); color: var(--text); }
.dx-fac { margin-top: 14px; border-radius: 14px; border: 1px solid var(--line); padding: 2px 16px; }
.dx-fac summary { cursor: pointer; padding: 12px 0; font: 600 14.5px var(--body); color: var(--text); }
.dx-fac summary::marker { color: var(--lime); }
.dx-fac ol { margin: 0 0 14px; padding: 0; list-style: none; display: grid; gap: 6px; }
.dx-fac li { display: grid; grid-template-columns: 60px 1fr; gap: 10px; font-size: 14.5px; line-height: 1.45; color: var(--text); }
.dx-fac li b { font: 600 12px var(--mono); color: var(--lime); padding-top: 2px; }

/* rail in the deeper case explains WHY each step connects */
body.dx-railing #cxRail { width: 400px; }
@media (min-width: 761px) { body.dx-railing #cxRail .cx-step small { max-width: 300px; } }

@media (max-width: 760px) {
  .dx-offer { flex-direction: column; align-items: flex-start; }
  .dx-facts, .dx-people, .dx-ku, .dx-moves, .dx-leaders, .dx-why, .dx-adapt { grid-template-columns: 1fr; }
  .dx-nav li em { display: none; }
  .dx-nav li { padding: 3px; }
  .dx-turn { grid-template-columns: 1fr; padding: 16px; }
  .dx-track, .dx-ends { grid-template-columns: 1fr; gap: 6px; }
  .dx-ends { grid-template-columns: 1fr 1fr; }
  .dx-ends span:first-child { grid-column: 1; } .dx-ends span:last-child { grid-column: 2; }
}

.cx-card:focus { outline: none; }