/* ==========================================================================
   Saddl Case Study 04: Marketplace Returns Diagnostic
   Route: /resources/case-studies/marketplace-returns-diagnostic/
   Design System: Saddl Design Kit Tokens & Standards
   ========================================================================== */

:root {
  --cs-paper: #F5F3ED;
  --cs-ink: #28332D;
  --cs-forest: #26352E;
  --cs-terracotta: #BC452F;
  --cs-terracotta-bright: var(--cs-terracotta);
  --cs-sage: #819582;
  --cs-pale: #E4EADC;
  --cs-muted: #536457;
  --cs-mist: #D4DFD5;
  --cs-rule: #C9C9BD;
  --cs-peach: #E7B494;
  --cs-stone: #ECE9DF;
  --cs-soft: #ECE9DF;
  --cs-bluegrey: #E2E7E5;
  --cs-amber: #E7B494;
  --cs-display: var(--saddl-font-display, 'Barlow Condensed', 'Arial Narrow', sans-serif);
  --cs-body: var(--saddl-font-body, 'Manrope', Arial, sans-serif);
  --cs-read: min(760px, calc(100% - 48px));
  --cs-wide: min(1080px, calc(100% - 48px));
}

/* ── PROGRESS BAR ── */
#progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--cs-terracotta);
  width: 0%;
  z-index: 999;
  transition: width 0.1s linear;
}

/* ── SHELL & CONTAINER ── */
.cs-returns-diagnostic .wrap {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
  padding-bottom: 60px;
}

.cs-returns-diagnostic .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 12px;
  padding-block: 22px 14px;
  color: var(--cs-muted);
  font-size: 0.9375rem;
}

.cs-returns-diagnostic .breadcrumbs a {
  color: var(--cs-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.cs-returns-diagnostic .breadcrumbs a:hover {
  color: var(--cs-forest);
  text-decoration: underline;
}

.cs-returns-diagnostic .breadcrumbs span[aria-current="page"] {
  color: var(--cs-ink);
  font-weight: 600;
}

.cs-returns-diagnostic .breadcrumb-tag {
  background: var(--cs-sage);
  color: #fff;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-left: 6px;
}

/* ── SERIES STRIP ── */
.cs-returns-diagnostic .series-strip {
  background: var(--cs-stone);
  border-radius: 8px;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  border-left: 4px solid var(--cs-sage);
  margin-bottom: 36px;
}

.cs-returns-diagnostic .ss-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-forest);
  flex-shrink: 0;
}

.cs-returns-diagnostic .ss-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.cs-returns-diagnostic .ss-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--cs-muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--cs-rule);
  background: #fff;
  transition: all 0.15s ease;
}

.cs-returns-diagnostic .ss-link:hover {
  color: var(--cs-forest);
  border-color: var(--cs-forest);
}

.cs-returns-diagnostic .ss-link.active {
  background: var(--cs-forest);
  color: #fff;
  border-color: var(--cs-forest);
}

/* ── HERO HEADER ── */
.cs-returns-diagnostic .hero-header {
  padding: 10px 0 28px;
}

.cs-returns-diagnostic .hero-kicker {
  font-family: var(--cs-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-terracotta);
  margin-bottom: 14px;
}

.cs-returns-diagnostic .hero-header h1 {
  font-family: var(--cs-display);
  font-size: clamp(34px, 5.5vw, 56px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--cs-forest);
  max-width: 920px;
  margin-bottom: 18px;
}

.cs-returns-diagnostic .hero-support {
  font-size: clamp(17px, 2.4vw, 20px);
  color: var(--cs-muted);
  line-height: 1.5;
  max-width: 780px;
  margin-bottom: 28px;
}

/* ── HERO 4-CELL GRID ── */
.cs-returns-diagnostic .hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}

.cs-returns-diagnostic .hero-cell {
  padding: 24px 20px;
  border-radius: var(--saddl-radius-md, 12px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--cs-rule);
}

.cs-returns-diagnostic .hero-cell.terracotta {
  background: var(--cs-terracotta);
  color: #fff;
  border-color: var(--cs-terracotta);
}

.cs-returns-diagnostic .hero-cell.amber {
  background: var(--cs-stone);
  color: var(--cs-forest);
  border-color: var(--cs-rule);
}

.cs-returns-diagnostic .hero-cell.mist {
  background: var(--cs-pale);
  color: var(--cs-forest);
  border-color: var(--cs-rule);
}

.cs-returns-diagnostic .hero-cell.peach {
  background: var(--cs-peach);
  color: var(--cs-forest);
  border-color: var(--cs-rule);
}

.cs-returns-diagnostic .hero-cell .num {
  font-family: var(--cs-display);
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.cs-returns-diagnostic .hero-cell .lbl {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.9;
}

.cs-returns-diagnostic .hero-cell .sub {
  font-size: 12.5px;
  opacity: 0.8;
  margin-top: 2px;
  line-height: 1.4;
}

/* ── HERO BOTTOM CONTEXT BAR ── */
.cs-returns-diagnostic .hero-bottom {
  background: var(--cs-forest);
  color: var(--cs-mist);
  border-radius: var(--saddl-radius-md, 12px);
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 44px;
}

.cs-returns-diagnostic .hb-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cs-returns-diagnostic .hb-stat .hb-num {
  font-family: var(--cs-display);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.01em;
}

.cs-returns-diagnostic .hb-stat .hb-lbl {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cs-mist);
  opacity: 0.85;
}

/* ── AEO BLOCK (Direct Answer) ── */
.cs-returns-diagnostic .aeo-block {
  max-width: var(--cs-read);
  margin: 0 auto 48px;
  background: var(--cs-pale);
  border-left: 4px solid var(--cs-forest);
  border-radius: 0 var(--saddl-radius-md, 12px) var(--saddl-radius-md, 12px) 0;
  padding: 24px 28px;
}

.cs-returns-diagnostic .aeo-label {
  font-family: var(--cs-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-forest);
  margin-bottom: 8px;
}

.cs-returns-diagnostic .aeo-block p {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cs-ink);
  margin: 0;
}

/* ── BODY CONTENT ── */
.cs-returns-diagnostic .body-content {
  max-width: var(--cs-read);
  margin: 0 auto 36px;
}

.cs-returns-diagnostic .body-content h2 {
  font-family: var(--cs-display);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--cs-forest);
  margin: 48px 0 18px;
}

.cs-returns-diagnostic .body-content h3 {
  font-family: var(--cs-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  color: var(--cs-ink);
  margin: 32px 0 12px;
}

.cs-returns-diagnostic .body-content p {
  font-size: 16px;
  color: var(--cs-ink);
  line-height: 1.8;
  margin-bottom: 20px;
}

.cs-returns-diagnostic .body-content p:last-child {
  margin-bottom: 0;
}

.cs-returns-diagnostic .wide-section {
  max-width: var(--cs-wide);
  margin: 0 auto 48px;
}

/* ── MARKETPLACE SPLIT CARDS ── */
.cs-returns-diagnostic .mp-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
}

.cs-returns-diagnostic .mp-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-radius: 8px;
}

.cs-returns-diagnostic .mp-card.amazon {
  background: var(--cs-forest);
  color: #fff;
}

.cs-returns-diagnostic .mp-card.noon {
  background: var(--cs-soft);
  color: var(--cs-ink);
  border: 1px solid var(--cs-rule);
}

.cs-returns-diagnostic .mp-card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
}

.cs-returns-diagnostic .mp-card .mp-num {
  font-family: var(--cs-display);
  font-size: clamp(44px, 6vw, 64px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.cs-returns-diagnostic .mp-card.amazon .mp-num {
  color: #F8CBB0;
}

.cs-returns-diagnostic .mp-card.noon .mp-num {
  color: #B5741E;
}

.cs-returns-diagnostic .mp-card .mp-rate {
  font-family: var(--cs-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}

.cs-returns-diagnostic .mp-card .mp-note {
  font-size: 13px;
  line-height: 1.55;
  color: var(--cs-muted);
  margin-top: 4px;
}

.cs-returns-diagnostic .mp-evidence {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.cs-returns-diagnostic .mp-evidence-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
  opacity: 0.75;
}

.cs-returns-diagnostic .mp-ev-item {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}

.cs-returns-diagnostic .mp-card.amazon .mp-ev-item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cs-peach);
  flex-shrink: 0;
}

.cs-returns-diagnostic .mp-card.noon .mp-ev-item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #B5741E;
  flex-shrink: 0;
}

.cs-returns-diagnostic .mp-split-head {
  font-family: var(--cs-display);
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  color: var(--cs-forest);
  margin: 16px 0 6px;
  letter-spacing: 0.01em;
}

.cs-returns-diagnostic .mp-split-sub {
  font-size: 13.5px;
  color: var(--cs-muted);
  text-align: center;
  margin-top: 4px;
}

/* ── DISPOSITION BLOCK ── */
.cs-returns-diagnostic .disp-block {
  background: var(--cs-soft);
  border: 1px solid var(--cs-rule);
  border-radius: 10px;
  padding: 30px;
  margin: 28px 0;
}

.cs-returns-diagnostic .disp-header {
  margin-bottom: 22px;
}

.cs-returns-diagnostic .disp-header .disp-num {
  font-family: var(--cs-display);
  font-size: clamp(48px, 6vw, 64px);
  font-weight: 600;
  color: var(--cs-forest);
  line-height: 1;
  margin-bottom: 6px;
}

.cs-returns-diagnostic .disp-header .disp-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-forest);
}

.cs-returns-diagnostic .disp-header .disp-sub {
  font-size: 13.5px;
  color: var(--cs-muted);
  margin-top: 4px;
}

.cs-returns-diagnostic .disp-bars {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cs-returns-diagnostic .disp-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-returns-diagnostic .disp-row-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.cs-returns-diagnostic .disp-row-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--cs-ink);
}

.cs-returns-diagnostic .disp-row-pct {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--cs-display);
  color: var(--cs-forest);
}

.cs-returns-diagnostic .disp-track {
  height: 8px;
  background: var(--cs-rule);
  border-radius: 4px;
  overflow: hidden;
}

.cs-returns-diagnostic .disp-fill {
  height: 100%;
  border-radius: 4px;
}

.cs-returns-diagnostic .disp-fill.sellable { background: #4D6B53; }
.cs-returns-diagnostic .disp-fill.restocked { background: #819582; }
.cs-returns-diagnostic .disp-fill.defective { background: var(--cs-terracotta); }
.cs-returns-diagnostic .disp-fill.cust-damaged { background: var(--cs-amber); }
.cs-returns-diagnostic .disp-fill.carrier { background: var(--cs-peach); }
.cs-returns-diagnostic .disp-fill.unknown { background: var(--cs-rule); }

.cs-returns-diagnostic .disp-note {
  font-size: 12px;
  color: var(--cs-muted);
  margin-top: 18px;
  font-style: italic;
}

/* ── DATA TABLE ── */
.cs-returns-diagnostic .data-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--cs-rule);
  border-radius: 8px;
}

.cs-returns-diagnostic table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.cs-returns-diagnostic table.data-table th {
  background: var(--cs-forest);
  color: #fff;
  font-family: var(--cs-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 18px;
  text-align: left;
}

.cs-returns-diagnostic table.data-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--cs-rule);
  color: var(--cs-ink);
  vertical-align: middle;
}

.cs-returns-diagnostic table.data-table tr:last-child td {
  border-bottom: none;
}

.cs-returns-diagnostic table.data-table tr:nth-child(even) td {
  background: var(--cs-soft);
}

.cs-returns-diagnostic table.data-table .num-col {
  text-align: right;
  font-weight: 600;
  font-family: var(--cs-display);
  font-size: 17px;
}

.cs-returns-diagnostic table.data-table .badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
}

.cs-returns-diagnostic table.data-table .badge.quality { background: var(--cs-terracotta); color: #fff; }
.cs-returns-diagnostic table.data-table .badge.compat { background: #B5741E; color: #fff; }
.cs-returns-diagnostic table.data-table .badge.unwanted { background: var(--cs-mist); color: var(--cs-forest); }
.cs-returns-diagnostic table.data-table .badge.unknown { background: var(--cs-rule); color: var(--cs-ink); }
.cs-returns-diagnostic table.data-table .badge.other { background: var(--cs-soft); color: var(--cs-muted); border: 1px solid var(--cs-rule); }

/* ── SKU SPOTLIGHT ── */
.cs-returns-diagnostic .sku-spotlight {
  background: var(--cs-forest);
  color: #fff;
  border-radius: 12px;
  padding: 36px 40px;
  margin: 32px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.cs-returns-diagnostic .sku-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-mist);
  margin-bottom: 14px;
}

.cs-returns-diagnostic .sku-funnel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-returns-diagnostic .sku-step {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
}

.cs-returns-diagnostic .sku-step .sku-num {
  font-family: var(--cs-display);
  font-size: 28px;
  font-weight: 600;
  color: #F8CBB0;
  line-height: 1;
}

.cs-returns-diagnostic .sku-step .sku-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cs-returns-diagnostic .sku-rate {
  padding: 16px;
  background: var(--cs-terracotta);
  border-radius: 6px;
  text-align: center;
  margin-top: 10px;
}

.cs-returns-diagnostic .sku-rate .sku-rate-num {
  font-family: var(--cs-display);
  font-size: 44px;
  font-weight: 600;
  color: #fff;
  line-height: 1;
}

.cs-returns-diagnostic .sku-rate .sku-rate-lbl {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cs-returns-diagnostic .sku-cost {
  font-size: 13.5px;
  color: var(--cs-mist);
  margin-top: 12px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
}

.cs-returns-diagnostic .sku-reasons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.cs-returns-diagnostic .sku-reason-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
}

.cs-returns-diagnostic .sku-reason-name {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.cs-returns-diagnostic .sku-reason-count {
  font-family: var(--cs-display);
  font-size: 20px;
  font-weight: 600;
  color: #F8CBB0;
}

/* ── CUSTOMER FEEDBACK BLOCK ── */
.cs-returns-diagnostic .customer-signal {
  max-width: var(--cs-read);
  margin: 0 auto 40px;
}

.cs-returns-diagnostic .signal-inner {
  border: 1px solid var(--cs-rule);
  border-radius: 10px;
  padding: 28px;
  background: var(--cs-soft);
}

.cs-returns-diagnostic .signal-label {
  font-family: var(--cs-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-forest);
  margin-bottom: 12px;
}

.cs-returns-diagnostic blockquote.customer-quote {
  font-family: var(--cs-display);
  font-size: clamp(20px, 3.5vw, 26px);
  font-weight: 600;
  color: var(--cs-forest);
  line-height: 1.3;
  margin-bottom: 14px;
  border-left: 4px solid var(--cs-terracotta);
  padding-left: 18px;
}

.cs-returns-diagnostic .signal-context {
  font-size: 14.5px;
  color: var(--cs-muted);
  line-height: 1.65;
}

/* ── THREE-LEVEL FRAMEWORK ── */
.cs-returns-diagnostic .level-framework {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 28px 0;
}

.cs-returns-diagnostic .level-card {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-returns-diagnostic .level-card:first-child {
  background: var(--cs-forest);
  color: #fff;
  border-radius: 10px 10px 0 0;
}

.cs-returns-diagnostic .level-card:nth-child(2) {
  background: var(--cs-stone);
  color: var(--cs-ink);
}

.cs-returns-diagnostic .level-card:last-child {
  background: var(--cs-pale);
  color: var(--cs-ink);
  border-radius: 0 0 10px 10px;
}

.cs-returns-diagnostic .level-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
}

.cs-returns-diagnostic .level-title {
  font-family: var(--cs-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
}

.cs-returns-diagnostic .level-card:first-child .level-title { color: #F8CBB0; }
.cs-returns-diagnostic .level-card:nth-child(2) .level-title { color: #B5741E; }
.cs-returns-diagnostic .level-card:last-child .level-title { color: var(--cs-forest); }

.cs-returns-diagnostic .level-question {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
  opacity: 0.85;
}

.cs-returns-diagnostic .level-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.cs-returns-diagnostic .level-item {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 20px;
}

.cs-returns-diagnostic .level-card:first-child .level-item {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.cs-returns-diagnostic .level-card:nth-child(2) .level-item {
  background: rgba(0, 0, 0, 0.07);
  color: var(--cs-ink);
}

.cs-returns-diagnostic .level-card:last-child .level-item {
  background: #fff;
  color: var(--cs-forest);
  border: 1px solid var(--cs-rule);
}

.cs-returns-diagnostic .level-connector {
  text-align: center;
  font-size: 22px;
  color: var(--cs-rule);
  line-height: 1;
  margin: -2px 0;
  z-index: 1;
  position: relative;
}

/* ── DECISION ROUTES GRID ── */
.cs-returns-diagnostic .decision-routes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 6px;
  border-radius: 8px;
  overflow: hidden;
  margin: 24px 0;
}

.cs-returns-diagnostic .dr-cell {
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-radius: 6px;
}

.cs-returns-diagnostic .dr-cell:nth-child(1) { background: var(--cs-terracotta); color: #fff; }
.cs-returns-diagnostic .dr-cell:nth-child(2) { background: var(--cs-amber); color: #fff; }
.cs-returns-diagnostic .dr-cell:nth-child(3) { background: var(--cs-forest); color: #fff; }
.cs-returns-diagnostic .dr-cell:nth-child(4) { background: var(--cs-stone); color: var(--cs-ink); }
.cs-returns-diagnostic .dr-cell:nth-child(5) { background: var(--cs-mist); color: var(--cs-forest); }

.cs-returns-diagnostic .dr-cell-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.cs-returns-diagnostic .dr-cell-title {
  font-family: var(--cs-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.15;
}

.cs-returns-diagnostic .dr-cell-q {
  font-size: 12px;
  opacity: 0.85;
  line-height: 1.45;
  margin-top: 4px;
}

/* ── ADVERTISING CALLOUT ── */
.cs-returns-diagnostic .adv-callout {
  background: var(--cs-soft);
  border: 1px solid var(--cs-rule);
  border-radius: 8px;
  padding: 26px;
  margin: 32px 0;
  border-top: 4px solid var(--cs-amber);
}

.cs-returns-diagnostic .adv-callout-head {
  font-family: var(--cs-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--cs-forest);
  margin-bottom: 10px;
}

.cs-returns-diagnostic .adv-callout p {
  font-size: 15px;
  color: var(--cs-ink);
  line-height: 1.65;
}

.cs-returns-diagnostic .adv-callout .adv-note {
  font-size: 13.5px;
  color: var(--cs-muted);
  margin-top: 12px;
}

/* ── PROFITABILITY STACK ── */
.cs-returns-diagnostic .profit-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 24px 0;
}

.cs-returns-diagnostic .ps-row {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  font-size: 14px;
  border-radius: 6px;
  font-weight: 600;
}

.cs-returns-diagnostic .ps-row:nth-child(1) { background: var(--cs-pale); color: var(--cs-forest); }
.cs-returns-diagnostic .ps-row:nth-child(2) { background: var(--cs-mist); color: var(--cs-forest); }
.cs-returns-diagnostic .ps-row:nth-child(3) { background: var(--cs-stone); color: var(--cs-ink); }
.cs-returns-diagnostic .ps-row:nth-child(4) { background: var(--cs-amber); color: #fff; }
.cs-returns-diagnostic .ps-row:nth-child(5) { background: var(--cs-forest); color: #fff; }

/* ── ESTABLISHED / DID NOT ESTABLISH GRID ── */
.cs-returns-diagnostic .established-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-radius: 10px;
  margin: 28px 0;
}

.cs-returns-diagnostic .est-panel {
  padding: 28px;
  border-radius: 8px;
  border: 1px solid var(--cs-rule);
}

.cs-returns-diagnostic .est-panel.did {
  background: var(--cs-pale);
}

.cs-returns-diagnostic .est-panel.didnot {
  background: var(--cs-stone);
}

.cs-returns-diagnostic .est-panel-head {
  font-family: var(--cs-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--cs-forest);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.cs-returns-diagnostic .est-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
}

.cs-returns-diagnostic .est-list li {
  font-size: 14px;
  color: var(--cs-ink);
  line-height: 1.55;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.cs-returns-diagnostic .est-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

.cs-returns-diagnostic .est-panel.did .est-list li::before { background: var(--cs-forest); }
.cs-returns-diagnostic .est-panel.didnot .est-list li::before { background: var(--cs-terracotta); }

/* ── SADDL WORKFLOW CHAIN ── */
.cs-returns-diagnostic .workflow-container {
  max-width: var(--cs-wide);
  margin: 0 auto 48px;
}

.cs-returns-diagnostic .workflow-inner {
  background: var(--cs-forest);
  border-radius: 12px;
  padding: 36px 40px;
  color: #fff;
}

.cs-returns-diagnostic .workflow-head {
  font-family: var(--cs-display);
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.cs-returns-diagnostic .workflow-sub {
  font-size: 14px;
  color: var(--cs-mist);
  margin-bottom: 30px;
  opacity: 0.85;
}

.cs-returns-diagnostic .workflow-chain {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cs-returns-diagnostic .wf-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px 0;
}

.cs-returns-diagnostic .wf-step + .wf-step {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cs-returns-diagnostic .wf-dot-col {
  flex-shrink: 0;
  width: 32px;
}

.cs-returns-diagnostic .wf-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--cs-body);
}

.cs-returns-diagnostic .wf-step.highlight .wf-dot {
  background: #F8CBB0;
  border-color: #F8CBB0;
  color: var(--cs-forest);
}

.cs-returns-diagnostic .wf-body {
  flex: 1;
  padding-top: 4px;
}

.cs-returns-diagnostic .wf-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.cs-returns-diagnostic .wf-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.55;
}

.cs-returns-diagnostic .wf-step.highlight .wf-title {
  color: #F8CBB0;
}

/* ── 6-ITEM CHECKLIST ── */
.cs-returns-diagnostic ol.checklist {
  list-style: none;
  counter-reset: item;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  margin: 24px 0;
}

.cs-returns-diagnostic ol.checklist li {
  counter-increment: item;
  display: flex;
  gap: 18px;
  padding: 20px 22px;
  background: var(--cs-soft);
  border: 1px solid var(--cs-rule);
  border-radius: 8px;
  align-items: flex-start;
}

.cs-returns-diagnostic ol.checklist li::before {
  content: counter(item, decimal-leading-zero);
  font-family: var(--cs-display);
  font-size: 18px;
  color: var(--cs-terracotta);
  font-weight: 600;
  flex-shrink: 0;
  min-width: 24px;
  line-height: 1.2;
}

.cs-returns-diagnostic .checklist-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-returns-diagnostic .checklist-content b {
  font-size: 15px;
  font-weight: 700;
  color: var(--cs-forest);
}

.cs-returns-diagnostic .checklist-content em {
  font-size: 14px;
  color: var(--cs-muted);
  font-style: normal;
  line-height: 1.55;
}

/* ── SIGNAL BLOCKS ── */
.cs-returns-diagnostic .signal {
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 24px 0;
  border-left: 4px solid var(--cs-rule);
}

.cs-returns-diagnostic .signal.forest {
  border-left-color: var(--cs-forest);
  background: var(--cs-pale);
}

.cs-returns-diagnostic .signal.amber {
  border-left-color: var(--cs-amber);
  background: var(--cs-soft);
}

.cs-returns-diagnostic .signal.terracotta {
  border-left-color: var(--cs-terracotta);
  background: var(--cs-soft);
}

.cs-returns-diagnostic .signal-title {
  font-family: var(--cs-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.cs-returns-diagnostic .signal.forest .signal-title { color: var(--cs-forest); }
.cs-returns-diagnostic .signal.amber .signal-title { color: #B5741E; }
.cs-returns-diagnostic .signal.terracotta .signal-title { color: var(--cs-terracotta); }

.cs-returns-diagnostic .signal p {
  font-size: 14.5px;
  color: var(--cs-ink);
  line-height: 1.65;
  margin: 0;
}

/* ── FAQ ACCORDION ── */
.cs-returns-diagnostic .faq-section {
  max-width: var(--cs-read);
  margin: 0 auto 48px;
}

.cs-returns-diagnostic .faq-section h2 {
  font-family: var(--cs-display);
  font-size: clamp(24px, 3.5vw, 32px);
  font-weight: 600;
  color: var(--cs-forest);
  margin-bottom: 22px;
}

.cs-returns-diagnostic .faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-returns-diagnostic details.faq-item {
  border-radius: 8px;
  background: var(--cs-soft);
  border: 1px solid var(--cs-rule);
  overflow: hidden;
}

.cs-returns-diagnostic summary.faq-q {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--cs-forest);
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.cs-returns-diagnostic summary.faq-q::-webkit-details-marker {
  display: none;
}

.cs-returns-diagnostic summary.faq-q::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--cs-muted);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.cs-returns-diagnostic details[open] summary.faq-q::after {
  content: "−";
}

.cs-returns-diagnostic .faq-a {
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: var(--cs-muted);
  line-height: 1.7;
}

/* ── CTA SECTION ── */
.cs-returns-diagnostic .cta-section {
  max-width: var(--cs-wide);
  margin: 0 auto 48px;
}

.cs-returns-diagnostic .cta-inner {
  background: var(--cs-forest);
  border-radius: 12px;
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  color: #fff;
}

.cs-returns-diagnostic .cta-tagline {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-mist);
  margin-bottom: 12px;
}

.cs-returns-diagnostic .cta-inner h2 {
  font-family: var(--cs-display);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 12px;
}

.cs-returns-diagnostic .cta-inner p {
  font-size: 15px;
  color: var(--cs-mist);
  line-height: 1.6;
  opacity: 0.85;
  max-width: 520px;
}

.cs-returns-diagnostic .cta-btn {
  display: inline-block;
  background: var(--cs-terracotta);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 30px;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease;
}

.cs-returns-diagnostic .cta-btn:hover {
  background: var(--cs-terracotta-bright);
}

/* ── RELATED RESOURCES ── */
.cs-returns-diagnostic .related {
  max-width: var(--cs-wide);
  margin: 0 auto 48px;
}

.cs-returns-diagnostic .related h2 {
  font-family: var(--cs-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--cs-forest);
  margin-bottom: 18px;
}

.cs-returns-diagnostic .related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cs-returns-diagnostic .rel-card {
  background: var(--cs-soft);
  border-radius: 8px;
  padding: 24px 20px;
  text-decoration: none;
  border: 1px solid var(--cs-rule);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s ease;
}

.cs-returns-diagnostic .rel-card:hover {
  border-color: var(--cs-forest);
}

.cs-returns-diagnostic .rel-type {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-forest);
}

.cs-returns-diagnostic .rel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--cs-forest);
  line-height: 1.35;
  flex: 1;
}

.cs-returns-diagnostic .rel-desc {
  font-size: 13px;
  color: var(--cs-muted);
  line-height: 1.5;
}

/* ── DATA NOTE ── */
.cs-returns-diagnostic .data-note {
  max-width: var(--cs-read);
  margin: 0 auto 56px;
  padding: 22px 26px;
  background: var(--cs-stone);
  border-radius: 8px;
  border-left: 4px solid var(--cs-muted);
}

.cs-returns-diagnostic .data-note-label {
  font-family: var(--cs-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-forest);
  margin-bottom: 8px;
}

.cs-returns-diagnostic .data-note p {
  font-size: 13px;
  color: var(--cs-muted);
  line-height: 1.65;
  margin-bottom: 8px;
}

.cs-returns-diagnostic .data-note p:last-child {
  margin-bottom: 0;
}

/* ── RESPONSIVE RULES ── */
@media (max-width: 900px) {
  .cs-returns-diagnostic .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cs-returns-diagnostic .sku-spotlight {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .established-grid {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .related-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .cs-returns-diagnostic .hero-grid {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .hero-bottom {
    flex-direction: column;
    gap: 16px;
  }
  .cs-returns-diagnostic .mp-split {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .cta-inner {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .related-grid {
    grid-template-columns: 1fr;
  }
  .cs-returns-diagnostic .series-strip {
    flex-direction: column;
    align-items: flex-start;
  }
}