/* Editorial cost-seg case-study page. Lifted from the hand-authored
   public/case-studies/timber-ridge.html design, decoupled from the app shell
   so it renders inside the public marketing chrome. Driven by engine data via
   <CaseStudyReport>. Tokens come from tokens.css + components.css. */

.cs-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}

.cs-sec {
  margin-bottom: 56px;
}
.cs-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ulv-terra-600);
  margin-bottom: 14px;
}
.cs-h2 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.12;
  margin: 0 0 10px;
}
.cs-lead {
  font-size: var(--type-body-lg);
  line-height: 1.6;
  color: var(--text-secondary);
  /* stop at the hero green-box right edge: (100% - grid gap) * 1.15/(1.15+0.85) */
  max-width: calc((100% - 24px) * 0.575);
}

/* HERO */
.cs-hero {
  background: var(--ulv-forest-800);
  color: var(--ulv-white);
  position: relative;
  overflow: hidden;
  margin-bottom: 48px;
}
.cs-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: center;
}
.cs-hero-copy {
  padding: 44px 44px 40px;
}
.cs-hero .cs-eyebrow {
  color: var(--ulv-forest-300);
}
.cs-hero h1 {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 0 0 14px;
}
.cs-hero .loc {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cs-hero-img {
  align-self: stretch;
  min-height: 320px;
  background: var(--ulv-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.cs-hero-img img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: contain;
}
.cs-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.cs-stat {
  padding: 18px 28px 4px 0;
  margin-right: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}
.cs-stat:last-child {
  border-right: 0;
}
.cs-stat .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.cs-stat .v {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--ulv-white);
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.cs-stat.is-hero .v {
  font-size: 30px;
  color: var(--ulv-terra-300);
}
.cs-hero-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}
.cs-hero-foot a {
  color: var(--ulv-white);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 1px;
  text-decoration: none;
}
.cs-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 9px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--ulv-white);
}

/* CARDS */
.cs-card {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
}
.cs-card h3 {
  font-size: var(--type-body-md);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
}
.cs-card .sub {
  font-size: var(--type-body-sm);
  color: var(--text-tertiary);
  margin-bottom: 20px;
}
.f-forest {
  background: var(--ulv-forest-800);
}
.f-forest-mid {
  background: var(--ulv-forest-500);
}
.f-terra {
  background: var(--ulv-terra-600);
}
.f-stone {
  background: var(--ulv-stone-300);
}

.cs-legend {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.cs-leg {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--type-body-sm);
  color: var(--text-secondary);
}
.cs-leg .dot {
  width: 10px;
  height: 10px;
  flex: none;
}
.cs-leg .lv {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.cs-callout {
  margin-top: auto;
  padding-top: 16px;
  font-size: var(--type-body-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}
.cs-callout strong {
  color: var(--ulv-terra-700);
  font-weight: 600;
}
.cs-method {
  font-size: var(--type-body-sm);
  color: var(--text-tertiary);
  line-height: 1.55;
  margin-top: 20px;
  max-width: 80ch;
}
.cs-method strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* runbar + charts */
.cs-runbar {
  background: var(--ulv-forest-800);
  color: var(--ulv-white);
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 26px 0 16px;
}
.cs-runbar .rb-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ulv-forest-300);
}
.cs-runbar .rb-pass {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}
.cs-runbar .rb-pass u-icon {
  color: var(--ulv-terra-300);
}
.cs-runbar .rb-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.cs-runbar .rb-stats > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cs-runbar .rb-stats .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.cs-runbar .rb-stats .v {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
}
.cs-runbar .rb-stats .v.is-accent {
  color: var(--ulv-terra-300);
}
.cs-chartrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.cs-cards2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cs-donut-wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 8px 0 16px;
}
.cs-donut {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  flex: none;
  position: relative;
}
.cs-donut .hole {
  position: absolute;
  inset: 34px;
  background: var(--surface-raised);
  border-radius: 50%;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}
.cs-donut .hv {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  color: var(--text-primary);
}
.cs-donut .hk {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.cs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
}
.cs-table td {
  padding: 9px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--type-body-md);
  color: var(--text-secondary);
}
.cs-table td.num {
  text-align: right;
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.cs-table td.muted {
  color: var(--text-tertiary);
}
.cs-table tr.total td {
  border-top: 2px solid var(--border-default);
  border-bottom: none;
  font-weight: 600;
  color: var(--text-primary);
  padding-top: 11px;
}
.cs-table tr.total td.num {
  color: var(--ulv-forest-700);
}
.cs-table tr:last-child td {
  border-bottom: none;
}
.cs-save {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding: 18px 22px;
  background: var(--ulv-forest-800);
  color: #fff;
}
.cs-save .lbl {
  font-size: var(--type-body-md);
  line-height: 1.4;
}
.cs-save .lbl strong {
  color: #fff;
}
.cs-save .amt {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 34px;
  line-height: 1;
  white-space: nowrap;
}
.cs-save .amt em {
  font-style: normal;
  font-weight: 300;
  font-size: 18px;
  color: #dc9270;
  margin-left: 4px;
}
.cs-comp-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}
.cs-comp-list span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  background: var(--ulv-stone-100);
  padding: 3px 7px;
}
.cs-pf-num {
  padding: 20px 22px;
  margin: 8px 0;
  color: #fff;
}
.cs-pf-num .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}
.cs-pf-num .v {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 34px;
  line-height: 1;
  margin-top: 6px;
}

/* CLOSE */
.cs-close {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
  padding-top: 26px;
  margin-top: 8px;
}
.cs-close .prep {
  font-size: var(--type-body-sm);
  color: var(--text-tertiary);
  line-height: 1.5;
}
.cs-close .prep strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 860px) {
  .cs-hero-inner {
    grid-template-columns: 1fr;
  }
  /* hero stacks single-column here, so the green box is full-width — drop the cap */
  .cs-lead {
    max-width: none;
  }
  .cs-hero-img {
    min-height: 220px;
    order: -1;
  }
  /* minmax(0,…) not bare 1fr: a `1fr` track takes its auto-minimum from the
     card's min-content (~382px), overflowing the section and scrolling the
     page sideways. minmax(0,1fr) lets the card shrink to fit. */
  .cs-chartrow,
  .cs-cards2 {
    grid-template-columns: minmax(0, 1fr);
  }
  .cs-card {
    min-width: 0;
  }
  .cs-hero h1 {
    font-size: 34px;
  }
}

/* Phone: the 3-up hero stat row can't fit 390px with `auto` columns —
   collapse to 2-up so it stops dragging the page sideways. */
@media (max-width: 520px) {
  .cs-stats {
    grid-template-columns: 1fr 1fr;
  }
  .cs-stat {
    min-width: 0;
    margin-right: 0;
    padding-right: 16px;
  }
  .cs-stat:nth-child(2n) {
    border-right: 0;
  }
  /* Donut (150px, flex:none) + legend side-by-side is a few px too wide on
     phones — stack the legend under the donut so it gets full card width. */
  .cs-donut-wrap {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .cs-donut {
    margin: 0 auto;
  }
  /* Stack the closing CTA so the two buttons share the row at full width
     instead of overflowing on narrow phones. */
  .cs-close {
    flex-direction: column;
    align-items: stretch;
  }
  .cs-close .row {
    flex-wrap: wrap;
  }
  .cs-close .row .btn {
    flex: 1 1 140px;
    justify-content: center;
  }
}