/* ============================================================
   case-study.css — supplemental styles for case study pages
   Layered on top of ../styles.css
   ============================================================ */

/* BREADCRUMB */
.breadcrumb {
  padding: 16px var(--gutter);
  background: var(--paper);
  max-width: var(--max-w);
  margin: 0 auto;
}

.breadcrumb-inner {
  font-size: 12px;
  color: var(--ink-40);
  font-family: var(--ff-body);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb-inner a {
  color: var(--ink-40);
  transition: color 0.15s;
}

.breadcrumb-inner a:hover { color: var(--ink); }

.breadcrumb-sep {
  color: var(--ink-20);
  font-size: 10px;
}

.breadcrumb-current {
  color: var(--ink-60);
}

.page-eyebrow-row {
  padding: 0 var(--gutter) 0;
  max-width: var(--max-w);
  margin: 0 auto 0;
}

/* CASE STUDY HERO */
.cs-hero {
  padding: clamp(48px, 7vw, 100px) var(--gutter) clamp(60px, 8vw, 110px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.cs-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.cs-hero-text {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.cs-hero-title {
  font-family: var(--ff-display);
  font-size: clamp(36px, 5.5vw, 80px);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.cs-hero-title em {
  font-style: italic;
  font-weight: 300;
}

.cs-hero-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--ink-60);
  max-width: 60ch;
  line-height: 1.75;
}

/* QUICK STAT ROW */
.cs-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}

.cs-hero-stat {
  padding: 20px 16px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-hero-stat:last-child { border-right: none; }

.cs-stat-num {
  font-family: var(--ff-mono);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
}

.cs-stat-label {
  font-family: var(--ff-mono);
  font-size: 9px;
  color: var(--ink-40);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.4;
}

.cs-hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* HERO VISUAL — PIN COMPOSITE */
.cs-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.cs-pin-composite {
  position: relative;
  width: 100%;
  max-width: 360px;
}

.cs-pin-main {
  background: #fff;
  padding: 8px;
  box-shadow: 0 8px 40px rgba(26,24,20,0.14), 0 2px 8px rgba(26,24,20,0.08);
  transform: rotate(-1deg);
  width: 100%;
}

.cs-pin-main img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

.cs-pin-mini {
  position: absolute;
  background: #fff;
  padding: 6px;
  box-shadow: 0 4px 20px rgba(26,24,20,0.12);
  width: 140px;
}

.cs-pin-mini img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
}

.cs-pin-mini-1 {
  bottom: -20px;
  right: -20px;
  transform: rotate(2.5deg);
  z-index: 2;
}

.cs-pin-mini-2 {
  bottom: -30px;
  left: -16px;
  transform: rotate(-2deg);
  z-index: 2;
}

.cs-hero-caption {
  text-align: center;
  font-size: 12px;
  font-style: italic;
  color: var(--ink-40);
  margin-top: clamp(20px, 3vw, 40px);
  line-height: 1.6;
}

/* CLIENT CONTEXT */
.cs-context {
  background: var(--paper-2);
  padding: clamp(60px, 8vw, 110px) var(--gutter);
}

.cs-context-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.cs-context-headline {
  font-family: var(--ff-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-style: italic;
  position: sticky;
  top: 100px;
}

.cs-context-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cs-context-body p {
  font-size: 16px;
  color: var(--ink-60);
  line-height: 1.8;
}

.cs-fact-strip {
  margin-top: 32px;
  border: 1px solid var(--line);
  padding: 14px 16px;
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--ink-40);
  letter-spacing: 0.1em;
  line-height: 1.8;
}

/* CHALLENGE */
.cs-challenge {
  padding: clamp(60px, 8vw, 110px) var(--gutter);
  background: var(--whisper);
}

.cs-challenge-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-challenge-headline {
  font-family: var(--ff-display);
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-style: italic;
  max-width: 22ch;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.cs-challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.cs-challenge-col {
  padding: 32px;
  border-left: 1px solid var(--line);
}

.cs-challenge-col:first-child { border-left: none; padding-left: 0; }

.cs-challenge-num {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--clay);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}

.cs-challenge-col h3 {
  font-family: var(--ff-display);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 14px;
}

.cs-challenge-col p {
  font-size: 14px;
  color: var(--ink-60);
  line-height: 1.75;
}

/* STRATEGY */
.cs-strategy {
  background: var(--moss);
  color: var(--paper);
  padding: clamp(80px, 10vw, 140px) var(--gutter);
}

.cs-strategy-inner {
  max-width: 980px;
  margin: 0 auto;
}

.cs-strategy-inner .eyebrow {
  color: rgba(246,242,234,0.55);
  margin-bottom: 20px;
  display: block;
}

.cs-strategy-headline {
  font-family: var(--ff-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--paper);
  margin-bottom: clamp(48px, 6vw, 80px);
  font-style: italic;
  max-width: 26ch;
}

.cs-funnel-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(246,242,234,0.15);
  margin-bottom: 32px;
}

.cs-funnel-stage {
  background: rgba(0,0,0,0.18);
  padding: clamp(20px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cs-stage-num {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: rgba(246,242,234,0.5);
  letter-spacing: 0.12em;
}

.cs-stage-name {
  font-family: var(--ff-display);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 400;
  color: var(--paper);
  letter-spacing: -0.015em;
}

.cs-stage-body {
  font-size: 13px;
  color: rgba(246,242,234,0.7);
  line-height: 1.7;
}

.cs-tracking-callout {
  border: 1px solid rgba(246,242,234,0.2);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cs-tracking-code {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: rgba(246,242,234,0.6);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.cs-tracking-body {
  font-size: 13px;
  color: rgba(246,242,234,0.65);
  line-height: 1.7;
}

/* RESULTS — BIG NUMBERS */
.cs-results {
  padding: clamp(80px, 10vw, 140px) var(--gutter);
  background: var(--paper);
}

.cs-results-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-results-headline {
  font-family: var(--ff-display);
  font-size: clamp(32px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.cs-results-headline em {
  font-style: italic;
  font-weight: 300;
}

.cs-numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.cs-number-card {
  background: var(--whisper);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cs-big-num {
  font-family: var(--ff-display);
  font-size: clamp(32px, 4.5vw, 60px);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.0;
  letter-spacing: -0.03em;
}

.cs-num-label {
  font-family: var(--ff-display);
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.cs-num-sub {
  font-size: 12px;
  color: var(--ink-40);
  font-family: var(--ff-body);
  line-height: 1.5;
}

/* FUNNEL WATERFALL */
.cs-funnel-waterfall {
  margin-bottom: clamp(32px, 4vw, 56px);
}

.cs-funnel-waterfall-title {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--ink-40);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: block;
}

.funnel-row {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 4px;
}

.funnel-label {
  font-family: var(--ff-body);
  font-size: 13px;
  color: var(--ink-60);
  width: 160px;
  flex-shrink: 0;
}

.funnel-bar-wrap {
  flex: 1;
  background: var(--paper-2);
  height: 36px;
  position: relative;
  overflow: visible;
}

.funnel-bar {
  height: 100%;
  background: var(--clay);
  opacity: 0.85;
  display: flex;
  align-items: center;
  padding-right: 10px;
  justify-content: flex-end;
  transition: opacity 0.2s;
}

.funnel-bar:hover { opacity: 1; }

.funnel-count {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--paper);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.funnel-count-outside {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--clay);
  margin-left: 10px;
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.funnel-row-note {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--ink-40);
  width: 160px;
  text-align: right;
  padding-right: 8px;
  flex-shrink: 0;
}

.funnel-caption {
  font-size: 13px;
  font-style: italic;
  color: var(--ink-60);
  margin-top: 16px;
  max-width: 70ch;
  line-height: 1.7;
}

/* PROFIT FRAMING */
.cs-profit-callout {
  border: 1px solid var(--line);
  padding: clamp(28px, 3.5vw, 40px);
  background: var(--whisper);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cs-profit-quote {
  font-family: var(--ff-display);
  font-size: clamp(17px, 2vw, 22px);
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: -0.015em;
}

.cs-profit-footnote {
  font-size: 11px;
  color: var(--ink-40);
  line-height: 1.6;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ANALYSIS */
.cs-analysis {
  padding: clamp(80px, 10vw, 140px) var(--gutter);
  background: var(--paper-2);
}

.cs-analysis-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.cs-analysis-headline {
  font-family: var(--ff-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-style: italic;
  position: sticky;
  top: 100px;
}

.cs-analysis-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cs-analysis-point {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.cs-analysis-point:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cs-analysis-num {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--clay);
  letter-spacing: 0.1em;
  padding-top: 4px;
  flex-shrink: 0;
  width: 20px;
}

.cs-analysis-point-body p {
  font-size: 16px;
  color: var(--ink-60);
  line-height: 1.8;
}

.cs-analysis-point-body strong {
  color: var(--ink);
  font-weight: 500;
}

/* CONVERSION BRIDGE */
.cs-bridge {
  padding: clamp(80px, 10vw, 140px) var(--gutter);
  background: var(--paper);
}

.cs-bridge-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.cs-bridge-headline {
  font-family: var(--ff-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: clamp(32px, 4vw, 52px);
  font-style: italic;
}

.cs-bridge-prose {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.cs-bridge-prose p {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-60);
  line-height: 1.85;
}

/* CTA BAND — within bridge */
.cs-cta-band {
  background: var(--moss);
  padding: clamp(32px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  text-align: center;
}

.cs-cta-band-headline {
  font-family: var(--ff-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  color: var(--paper);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-style: italic;
}

.cs-cta-band-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cs-cta-trust {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: rgba(246,242,234,0.5);
  letter-spacing: 0.06em;
}

/* RELATED CASE STUDIES */
.cs-related {
  padding: clamp(60px, 8vw, 100px) var(--gutter);
  background: var(--paper-2);
}

.cs-related-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: clamp(32px, 4vw, 56px);
}

.cs-related-card {
  background: var(--whisper);
  border: 1px solid var(--line);
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow 0.2s;
}

.cs-related-card:hover {
  box-shadow: 0 6px 28px rgba(26,24,20,0.07);
}

.cs-related-category {
  font-family: var(--ff-mono);
  font-size: 9px;
  color: var(--clay);
  letter-spacing: 0.15em;
}

.cs-related-roas {
  font-family: var(--ff-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 400;
  color: var(--ink);
  line-height: 0.9;
  letter-spacing: -0.035em;
}

.cs-related-card h3 {
  font-family: var(--ff-display);
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.cs-related-link {
  font-size: 13px;
  color: var(--clay);
  font-weight: 500;
  transition: gap 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

.cs-related-link:hover { gap: 8px; }

/* SOURCE DISCLOSURE */
.cs-source-disclosure {
  padding: 24px var(--gutter);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}

.cs-source-disclosure-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-source-disclosure p {
  font-size: 11px;
  color: var(--ink-40);
  line-height: 1.7;
  font-family: var(--ff-body);
}

/* CASE STUDIES INDEX */
.cs-index-hero {
  padding: clamp(80px, 10vw, 130px) var(--gutter) clamp(60px, 8vw, 100px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.cs-index-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.cs-index-headline {
  font-family: var(--ff-display);
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 400;
  line-height: 0.97;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: 24px;
}

.cs-index-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--ink-60);
  max-width: 50ch;
  line-height: 1.7;
}

.cs-index-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) var(--gutter);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.cs-index-card {
  background: var(--whisper);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.cs-index-card:hover {
  box-shadow: 0 8px 36px rgba(26,24,20,0.09);
}

.cs-index-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.cs-index-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.cs-index-card:hover .cs-index-card-image img {
  transform: scale(1.04);
}

.cs-index-card-body {
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.cs-index-roas {
  font-family: var(--ff-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 400;
  color: var(--ink);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.cs-index-card h2 {
  font-family: var(--ff-display);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.cs-index-card p {
  font-size: 14px;
  color: var(--ink-60);
  line-height: 1.65;
}

.cs-index-card-link {
  font-size: 13px;
  color: var(--clay);
  font-weight: 500;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.15s;
}

.cs-index-card:hover .cs-index-card-link { gap: 8px; }

/* MONTHLY TRAJECTORY CHART */
.cs-trajectory {
  margin-bottom: clamp(40px, 5vw, 64px);
}

.cs-trajectory-title {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--ink-40);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.cs-trajectory-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 200px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 0 2px;
  background: var(--whisper);
}

.traj-bar {
  flex: 1;
  background: var(--clay);
  opacity: 0.75;
  min-height: 4px;
  transition: opacity 0.2s;
}

.traj-bar:hover { opacity: 1; }

.traj-bar.traj-peak {
  background: var(--clay);
  opacity: 1;
}

.traj-bar.traj-dip {
  background: var(--moss);
  opacity: 0.35;
}

.traj-bar.traj-partial {
  opacity: 0.5;
}

.traj-month-labels {
  display: flex;
  gap: 3px;
  padding: 6px 2px 0;
  margin-bottom: 8px;
}

.traj-label {
  flex: 1;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 8px;
  color: var(--ink-40);
  line-height: 1.3;
}

/* SHOPIFY CROSS-REFERENCE */
.cs-shopify-crossref {
  margin: clamp(40px, 5vw, 64px) 0;
  border: 1px solid var(--line);
  padding: clamp(28px, 3.5vw, 44px);
  background: var(--whisper);
}

.cs-crossref-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  margin-bottom: 0;
}

.cs-crossref-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.cs-crossref-label {
  font-family: var(--ff-mono);
  font-size: 9px;
  color: var(--clay);
  letter-spacing: 0.15em;
  display: block;
}

.cs-crossref-col-num {
  font-family: var(--ff-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.0;
  letter-spacing: -0.03em;
}

.cs-crossref-col p {
  font-size: 13px;
  color: var(--ink-60);
  line-height: 1.75;
}

.cs-crossref-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cs-crossref-col ul li {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--ink-60);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.cs-crossref-col ul li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--clay);
}

.cs-crossref-quote {
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.6vw, 20px);
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: -0.015em;
  margin: 28px 0 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .cs-hero-inner {
    grid-template-columns: 1fr;
  }

  .cs-hero-visual {
    order: -1;
  }

  .cs-hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .cs-hero-stat:nth-child(2) { border-right: none; }
  .cs-hero-stat:nth-child(3) { border-top: 1px solid var(--line); }
  .cs-hero-stat:nth-child(4) { border-top: 1px solid var(--line); border-right: none; }

  .cs-context-inner { grid-template-columns: 1fr; }
  .cs-context-headline { position: static; }

  .cs-challenge-grid { grid-template-columns: 1fr; }
  .cs-challenge-col { border-left: none; border-top: 1px solid var(--line); padding-left: 0; }
  .cs-challenge-col:first-child { border-top: none; }

  .cs-funnel-stages { grid-template-columns: 1fr 1fr; }

  .cs-numbers-grid { grid-template-columns: repeat(2, 1fr); }

  .cs-analysis-inner { grid-template-columns: 1fr; }
  .cs-analysis-headline { position: static; }

  .cs-related-grid { grid-template-columns: 1fr; }

  .cs-index-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .cs-hero-stats { grid-template-columns: repeat(2, 1fr); }
  .cs-funnel-stages { grid-template-columns: 1fr; }
  .cs-numbers-grid { grid-template-columns: 1fr 1fr; }
  .funnel-label { width: 100px; font-size: 11px; }
  .cs-hero-ctas { flex-direction: column; }
  .cs-cta-band-actions { flex-direction: column; width: 100%; }
  .cs-cta-band-actions .btn { width: 100%; justify-content: center; }
  .cs-pin-mini { display: none; }
  .cs-crossref-grid { grid-template-columns: 1fr; }
  .traj-label { font-size: 7px; }
}