/* =====================================================================
   CASE STUDY — PAGE-SPECIFIC STYLES
   extends styles.css — do not duplicate tokens defined there
===================================================================== */

/* ── Hero ── */
.cs-hero {
  padding: 80px 0 88px;
  background: var(--paper-bright);
  position: relative;
  overflow: hidden;
}
.cs-hero__glyph {
  position: absolute;
  right: -180px; top: -120px;
  width: 680px; height: 680px;
  opacity: 0.055;
  pointer-events: none;
}
.cs-hero__inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; gap: 28px;
}
.cs-hero__breadcrumb {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.cs-hero__back {
  font-family: var(--mono);
  font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-muted); text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color var(--dur-fast) var(--ease-out);
  border-bottom: none;
}
.cs-hero__back:hover { color: var(--teal-deep); border-bottom: none; }
.cs-hero__sep { color: var(--paper-shadow); font-family: var(--mono); font-size: 11px; }
.cs-hero__title {
  font-family: var(--serif);
  font-size: clamp(40px, 5.2vw, 76px);
  line-height: 1.03; letter-spacing: -0.025em;
  color: var(--ink); font-weight: 400; margin: 0;
  max-width: 18ch;
}
.cs-hero__title em { font-style: italic; color: var(--teal-deep); }
.cs-hero__sub {
  font-family: var(--sans);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.55; color: var(--ink-soft);
  max-width: 58ch; margin: 0;
}
.cs-hero__actions {
  display: flex; gap: 20px; align-items: center;
  flex-wrap: wrap; margin-top: 8px;
}
.cs-hero__meta {
  display: flex; flex-wrap: wrap; gap: 0;
  margin-top: 48px; padding-top: 28px;
  border-top: 1px solid var(--line);
}
.cs-meta__item {
  padding: 0 28px 0 0;
  margin-right: 28px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 5px;
}
.cs-meta__item:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.cs-meta__label {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted);
}
.cs-meta__value {
  font-family: var(--sans); font-size: 14px;
  font-weight: 500; color: var(--ink);
}

/* ── Metric wall ── */
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; border-top: 1px solid rgba(244,239,229,0.15);
}
.metric {
  padding: 40px 28px 0 0;
  border-right: 1px solid rgba(244,239,229,0.1);
  display: flex; flex-direction: column; gap: 16px;
}
.metric + .metric { padding-left: 28px; }
.metric:last-child { border-right: none; padding-right: 0; }
.metric__num {
  font-family: var(--serif);
  font-size: clamp(56px, 5.5vw, 88px);
  line-height: 1; letter-spacing: -0.03em;
  color: var(--paper);
  display: flex; align-items: baseline; gap: 3px;
}
.metric__unit { font-size: 0.4em; color: rgba(244,239,229,0.58); letter-spacing: -0.02em; }
.metric__note {
  font-family: var(--sans); font-size: 14px;
  line-height: 1.5; color: rgba(244,239,229,0.62); max-width: 22ch;
}

/* ── Client context ── */
.cs-context {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 64px; align-items: start;
}
.cs-context__body { display: flex; flex-direction: column; gap: 20px; }
.cs-context__lede {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(20px, 2vw, 27px); line-height: 1.35;
  color: var(--ink); font-weight: 400; max-width: 40ch; margin: 0;
}
.cs-context__text {
  font-family: var(--sans); font-size: 16px;
  line-height: 1.65; color: var(--ink-soft); margin: 0; max-width: 56ch;
}
.cs-facts {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r2); padding: 24px 28px;
  box-shadow: var(--elev-card);
  display: flex; flex-direction: column;
}
.cs-facts__row {
  display: flex; flex-direction: column; gap: 5px;
  padding: 15px 0; border-bottom: 1px solid var(--line);
}
.cs-facts__row:first-child { padding-top: 0; }
.cs-facts__row:last-child { border-bottom: none; padding-bottom: 0; }
.cs-facts__label {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted);
}
.cs-facts__value {
  font-family: var(--sans); font-size: 14.5px;
  font-weight: 500; color: var(--ink); margin: 0;
}

/* ── Problem bullets ── */
.problem-bullets { display: flex; flex-direction: column; gap: 0; }
.problem-bullet {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px solid rgba(244,239,229,0.08);
  font-family: var(--sans); font-size: 16px;
  line-height: 1.55; color: rgba(244,239,229,0.76);
}
.problem-bullet:first-child { border-top: 1px solid rgba(244,239,229,0.12); }
.problem-bullet__num {
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--amber); flex-shrink: 0; padding-top: 2px; width: 24px;
}

/* ── Cost callout ── */
.cost-callout {
  padding: 26px 32px;
  border-left: 3px solid rgba(224,142,60,0.6);
  border-radius: 0 var(--r2) var(--r2) 0;
  background: rgba(224,142,60,0.05);
  border-top: 1px solid rgba(224,142,60,0.08);
  border-right: 1px solid rgba(224,142,60,0.08);
  border-bottom: 1px solid rgba(224,142,60,0.08);
}
.cost-callout p {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(18px, 1.8vw, 24px); line-height: 1.45;
  color: rgba(244,239,229,0.88); margin: 0; max-width: 66ch;
}

/* ── Objective list ── */
.objective-list { display: flex; flex-direction: column; max-width: 680px; }
.objective-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 20px 0; border-bottom: 1px solid var(--line);
  font-family: var(--sans); font-size: 16px;
  line-height: 1.55; color: var(--ink-soft);
}
.objective-item:first-child { border-top: 1px solid var(--ink); }
.objective-item__num {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber-deep); flex-shrink: 0; padding-top: 3px; min-width: 26px;
}

/* ── Solution 2x2 grid ── */
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.solution-card {
  background: var(--paper-bright);
  border: 1px solid var(--line); border-radius: var(--r2);
  padding: 30px 28px 32px;
  display: flex; flex-direction: column; gap: 16px;
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow   var(--dur-base) var(--ease-out),
              transform    var(--dur-base) var(--ease-out);
}
.solution-card:hover {
  border-color: var(--ink); box-shadow: var(--elev-card); transform: translateY(-2px);
}
.solution-card__num {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted);
}
.solution-card__title {
  font-family: var(--serif);
  font-size: clamp(23px, 2.2vw, 30px); line-height: 1.12;
  letter-spacing: -0.02em; color: var(--ink); font-weight: 400; margin: 0;
}
.solution-card__body {
  font-family: var(--sans); font-size: 15.5px;
  line-height: 1.6; color: var(--ink-soft); margin: 0; flex: 1;
}
.solution-card__outcome {
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-deep);
  padding-top: 16px; margin-top: auto;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px;
}
.solution-card__outcome::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); flex-shrink: 0;
}

/* ── Before / After ── */
.before-after { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.ba-col-head {
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center;
}
.ba-col-head--after { border-left: 1px solid var(--line); }
.ba-col-badge {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px;
}
.ba-col-badge--before {
  background: rgba(140,47,47,0.07); color: #8C2F2F;
  border: 1px solid rgba(140,47,47,0.15);
}
.ba-col-badge--after {
  background: rgba(43,111,106,0.07); color: var(--teal-deep);
  border: 1px solid rgba(43,111,106,0.15);
}
.ba-row { display: contents; }
.ba-cell {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 24px; border-bottom: 1px solid var(--line);
  font-family: var(--sans); font-size: 15.5px;
  line-height: 1.5; color: var(--ink-soft);
}
.ba-cell--after { border-left: 1px solid var(--line); }
.ba-icon { font-size: 12px; flex-shrink: 0; padding-top: 3px; }
.ba-icon--before { color: #8C2F2F; }
.ba-icon--after  { color: var(--teal); }

/* ── Results list ── */
.results-list { display: flex; flex-direction: column; max-width: 720px; }
.results-item {
  display: flex; gap: 24px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid rgba(244,239,229,0.08);
}
.results-item:first-child { border-top: 1px solid rgba(244,239,229,0.12); }
.results-item__num {
  font-family: var(--serif);
  font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1; letter-spacing: -0.02em;
  color: var(--amber); flex-shrink: 0; min-width: 88px;
}
.results-item__text {
  font-family: var(--sans); font-size: 16px;
  line-height: 1.55; color: rgba(244,239,229,0.72);
}

/* ── Testimonial ── */
.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r2);
  padding: 36px 38px;
  display: flex; flex-direction: column; gap: 28px;
  box-shadow: var(--elev-card);
}
.testimonial__quote {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(21px, 2.2vw, 30px); line-height: 1.28;
  letter-spacing: -0.01em; color: var(--ink);
  font-weight: 400; margin: 0;
}
.testimonial__quote em { color: var(--teal-deep); font-style: normal; }
.testimonial__cite {
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 20px; border-top: 1px solid var(--line);
}
.testimonial__name {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink);
}
.testimonial__role {
  font-family: var(--sans); font-size: 13.5px; color: var(--ink-muted);
}

/* ── Why it worked ── */
.why-body {
  display: flex; flex-direction: column; gap: 18px;
  max-width: 760px;
}
.why-lede {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(20px, 2vw, 26px); line-height: 1.4;
  color: var(--ink); max-width: 52ch; margin: 0;
}
.why-text {
  font-family: var(--sans); font-size: 16px;
  line-height: 1.65; color: var(--ink-soft); margin: 0; max-width: 68ch;
}
.why-callout {
  margin-top: 8px; padding: 22px 28px;
  border-left: 2px solid var(--amber);
  background: var(--paper); border-radius: 0 var(--r2) var(--r2) 0;
}
.why-callout p {
  font-family: var(--sans); font-size: 15.5px;
  line-height: 1.6; color: var(--ink-soft); margin: 0;
}

/* ── Who this is for ── */
.who-list { display: flex; flex-direction: column; max-width: 640px; }
.who-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  font-family: var(--sans); font-size: 16px;
  line-height: 1.5; color: var(--ink-soft);
}
.who-item:first-child { border-top: 1px solid var(--line); }
.who-tick {
  font-family: var(--mono); font-weight: 500;
  color: var(--teal); flex-shrink: 0; padding-top: 2px;
}

/* ── Offer section ── */
.offer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.offer-list { display: flex; flex-direction: column; margin-top: 24px; }
.offer-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 15px 0; border-bottom: 1px solid rgba(244,239,229,0.08);
  font-family: var(--sans); font-size: 15.5px;
  line-height: 1.5; color: rgba(244,239,229,0.72);
}
.offer-item:first-child { border-top: 1px solid rgba(244,239,229,0.12); }
.offer-item__arrow { color: var(--amber); flex-shrink: 0; padding-top: 2px; }

/* ── Steps ── */
.steps-list { display: flex; flex-direction: column; max-width: 580px; }
.step {
  display: flex; gap: 24px; align-items: flex-start;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.step:first-child { border-top: 1px solid var(--line); }
.step__num {
  font-family: var(--serif);
  font-size: clamp(32px, 3vw, 44px); line-height: 1;
  letter-spacing: -0.02em; color: var(--amber);
  flex-shrink: 0; padding-top: 2px; min-width: 44px;
}
.step__body { display: flex; flex-direction: column; gap: 5px; padding-top: 4px; }
.step__title {
  font-family: var(--sans); font-size: 16px;
  font-weight: 600; color: var(--ink); margin: 0;
}
.step__text {
  font-family: var(--sans); font-size: 15px;
  line-height: 1.55; color: var(--ink-soft); margin: 0;
}

/* ── Callout placement variants ── */
.cost-callout--spaced { margin-top: 56px; max-width: 720px; }
.cost-callout--narrow { margin-top: 52px; max-width: 660px; }

/* ── Testimonial width ── */
.testimonial-card--wide { max-width: 800px; }
.testimonial__quote p { margin: 0 0 18px; }
.testimonial__quote p:last-child { margin: 0; }

/* ── Offer section labels ── */
.offer-review-label {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(244,239,229,0.45); margin: 36px 0 0;
}
.offer-next-label {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(244,239,229,0.45); margin: 0;
}
.offer-cta { margin-top: 40px; }
.offer-grid .section__title { margin-top: 18px; }
.offer-grid .section__sub { margin-top: 18px; }

/* ── Steps on dark background ── */
.section--ink .steps-list { max-width: none; }
.section--ink .step { border-bottom-color: rgba(244,239,229,0.1); }
.section--ink .step:first-child { border-top-color: rgba(244,239,229,0.12); }
.section--ink .step__title { color: var(--paper); }
.section--ink .step__text { color: rgba(244,239,229,0.65); }

/* ── Responsive ── */
@media (max-width: 960px) {
  .cs-context       { grid-template-columns: 1fr; gap: 32px; }
  .solution-grid    { grid-template-columns: 1fr; }
  .before-after          { grid-template-columns: 1fr; }
  .ba-col-head--after,
  .ba-cell--after        { border-left: none; }
  .ba-col-head--after    { border-top: 1px solid var(--line); }
  .metrics-grid     { grid-template-columns: 1fr 1fr; }
  .metric           { border-right: none; padding-right: 0; }
  .metric + .metric { padding-left: 0; }
  .offer-grid       { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .cs-hero__meta {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .cs-meta__item { border-right: none; margin-right: 0; padding-right: 0; }
  .metrics-grid  { grid-template-columns: 1fr 1fr; }
}