/* Case study page. Extends the tokens and chrome in site.css. */

.case-page { --case-rule: rgba(25, 28, 31, .16); --case-rule-strong: rgba(25, 28, 31, .34); }
.case-article > section { padding: var(--section-space) var(--gutter); }
.case-heading { max-width: 1320px; margin-inline: auto; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; }
.case-heading .eyebrow { grid-column: 1 / 5; }
.case-heading h2 { grid-column: 1 / 8; max-width: 22ch; }
/* :not(.eyebrow) matters: the eyebrow is also a direct <p> child, and letting it
   inherit this graphite made it unreadable on the plum and graphite bands. */
.case-heading > p:not(.eyebrow) { grid-column: 8 / 13; max-width: 44ch; margin: 0; color: rgba(25, 28, 31, .7); font-size: clamp(1.0625rem, 1rem + .25vw, 1.25rem); }

.demo-chip {
  position: fixed;
  inset: auto auto 16px 16px;
  z-index: 30;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--plum);
  color: var(--ivory);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
html[dir="rtl"] .demo-chip { inset: auto 16px 16px auto; }
html[lang="ar"] .demo-chip { letter-spacing: 0; text-transform: none; }

/* 1. Case hero */
.case-hero { padding-block-start: 152px !important; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; max-width: 1384px; margin-inline: auto; }
.case-hero-copy { grid-column: 1 / 8; }
.case-hero h1 { margin-block: 24px 28px; max-width: 15ch; font-family: "Source Serif 4", Georgia, serif; font-size: clamp(2.5rem, 1.7rem + 3.4vw, 5rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 400; }
html[lang="ar"] .case-hero h1 { font-family: "IBM Plex Sans Arabic", Tahoma, sans-serif; font-weight: 600; letter-spacing: 0; line-height: 1.24; }
.case-lede { max-width: 58ch; font-size: clamp(1.125rem, 1.04rem + .35vw, 1.375rem); line-height: 1.5; }
.case-summary { max-width: 62ch; color: rgba(25, 28, 31, .72); }
.case-disclaimer { max-width: 60ch; margin-block-start: 28px; padding-inline-start: 16px; border-inline-start: 2px solid var(--copper); color: rgba(25, 28, 31, .66); font-size: 13px; }
html[dir="rtl"] .case-disclaimer { padding-inline-start: 16px; }

.case-facts { grid-column: 9 / 13; align-self: start; margin: 0; display: grid; gap: 0; border-block-start: 1px solid var(--case-rule-strong); }
.case-facts > div { padding-block: 16px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 12px; border-block-end: 1px solid var(--case-rule); }
.case-facts dt { color: rgba(25, 28, 31, .58); font-size: 12px; }
.case-facts dd { margin: 0; font-size: 14px; font-weight: 500; }

.case-outcomes { grid-column: 1 / 13; margin-block-start: 88px; display: grid; grid-template-columns: repeat(3, 1fr); border-block-start: 1px solid var(--case-rule-strong); }
.case-outcomes-label { grid-column: 1 / 4; margin: 0; padding-block: 14px; border-block-end: 1px solid var(--case-rule); color: rgba(25, 28, 31, .58); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
html[lang="ar"] .case-outcomes-label { letter-spacing: 0; text-transform: none; }
.case-outcome { padding: 32px 28px 32px 0; border-inline-end: 1px solid var(--case-rule); }
html[dir="rtl"] .case-outcome { padding: 32px 0 32px 28px; }
.case-outcome:last-child { border-inline-end: 0; }
.case-outcome:not(:first-of-type) { padding-inline-start: 28px; }
.case-outcome strong { display: block; font-family: "Source Serif 4", Georgia, serif; font-size: clamp(1.9rem, 1.2rem + 2.2vw, 3.1rem); line-height: 1; font-weight: 400; font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.02em; }
.case-outcome strong.is-negative { color: var(--copper); }
.case-outcome span { display: block; max-width: 26ch; margin-block-start: 18px; color: rgba(25, 28, 31, .74); font-size: 14px; }
.case-outcome small { display: block; max-width: 26ch; margin-block-start: 12px; color: rgba(25, 28, 31, .55); font-size: 12px; }
.has-js .case-outcome { opacity: 0; transform: translateY(24px); animation: case-arrive 520ms var(--ease-master) forwards; }
.has-js .case-outcome[data-outcome="0"] { animation-delay: 180ms; }
.has-js .case-outcome[data-outcome="1"] { animation-delay: 260ms; }
.has-js .case-outcome[data-outcome="2"] { animation-delay: 340ms; }
@keyframes case-arrive { to { opacity: 1; transform: none; } }

/* Shared ledger tables */
.ledger { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums lining-nums; font-size: 14px; }
.ledger th, .ledger td { padding-block: 13px; text-align: start; font-weight: 400; border-block-end: 1px solid var(--case-rule); vertical-align: top; }
.ledger thead th { padding-block: 0 10px; border-block-end: 1px solid var(--case-rule-strong); color: rgba(25, 28, 31, .58); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
html[lang="ar"] .ledger thead th { letter-spacing: 0; text-transform: none; }
.ledger tbody th { padding-inline-end: 20px; color: var(--graphite); }
.ledger td[dir="ltr"], .ledger th[dir="ltr"] { text-align: end; white-space: nowrap; }
.ledger .is-total th, .ledger .is-total td { border-block-end: 0; border-block-start: 1px solid var(--case-rule-strong); font-weight: 600; }
.ledger .is-negative { color: var(--copper); }
.ledger .is-tied { color: var(--mint); }
.ledger-invert th, .ledger-invert td { border-block-end-color: rgba(244, 240, 232, .16); }
.ledger-invert thead th { border-block-end-color: rgba(244, 240, 232, .34); color: rgba(244, 240, 232, .6); }
.ledger-invert tbody th { color: var(--ivory); }
.ledger-invert .is-negative { color: #e29a74; }

/* Wide ledgers scroll inside their own box so the page itself never scrolls
   horizontally at narrow widths. */
.table-scroll { overflow-x: auto; }
.case-panel-title { margin-block: 0 18px; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: rgba(25, 28, 31, .6); }
html[lang="ar"] .case-panel-title { letter-spacing: 0; text-transform: none; }
.case-note { max-width: 62ch; margin-block: 18px 0; color: rgba(25, 28, 31, .62); font-size: 13px; }
.case-note-invert { max-width: 74ch; color: rgba(244, 240, 232, .62); }
.case-panel-wide { max-width: 1320px; margin: 56px auto 0; }

/* 2. The starting problem */
.case-problem-grid { max-width: 1320px; margin: 76px auto 0; display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; }
.case-sources { margin: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--case-rule-strong); }
.case-sources li { padding-block: 14px; border-block-end: 1px solid var(--case-rule); font-size: 14px; }
.case-sources li::before { content: ""; display: inline-block; width: 14px; height: 1px; margin-inline-end: 12px; vertical-align: middle; background: var(--copper); }


/* 3. What Numen did */
.case-work { position: relative; background: var(--plum); color: var(--ivory); }
.case-work .case-heading h2 { max-width: 20ch; }
.case-work .case-panel-title { color: rgba(244, 240, 232, .6); }
.case-stages { max-width: 1320px; margin: 76px auto 0; padding: 0; list-style: none; position: relative; }
.case-stages::before { content: ""; position: absolute; inset: 12px auto 12px 15px; width: 1px; background: rgba(244, 240, 232, .22); }
html[dir="rtl"] .case-stages::before { inset: 12px 15px 12px auto; }
.case-stages li { position: relative; padding-block: 26px; padding-inline-start: 68px; display: grid; grid-template-columns: 1fr; border-block-end: 1px solid rgba(244, 240, 232, .16); }
.case-stages li:last-child { border-block-end: 0; }
.case-stages li > div { display: grid; grid-template-columns: 12ch 1fr; gap: 32px; align-items: baseline; }
.case-stage-index { position: absolute; inset-block-start: 30px; inset-inline-start: 0; width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid rgba(244, 240, 232, .34); border-radius: 50%; background: var(--plum); color: rgba(244, 240, 232, .72); font-size: 11px; font-variant-numeric: tabular-nums; }
.case-stages h3 { margin: 0; font-size: clamp(1.125rem, 1rem + .5vw, 1.5rem); }
.case-stages p { margin: 0; max-width: 58ch; color: rgba(244, 240, 232, .68); font-size: 15px; }
.has-js .case-stages li { opacity: 0; transform: translateY(20px); transition: opacity 260ms var(--ease-master), transform 520ms var(--ease-settle); }
.has-js .case-stages.is-visible li { opacity: 1; transform: none; }
.has-js .case-stages.is-visible li:nth-child(2) { transition-delay: 80ms; }
.has-js .case-stages.is-visible li:nth-child(3) { transition-delay: 160ms; }
.has-js .case-stages.is-visible li:nth-child(4) { transition-delay: 240ms; }
.has-js .case-stages.is-visible li:nth-child(5) { transition-delay: 320ms; }
.has-js .case-stages.is-visible li:nth-child(6) { transition-delay: 400ms; }
.case-tieout { max-width: 1320px; margin: 76px auto 0; padding: 32px; border: 1px solid rgba(244, 240, 232, .2); border-radius: var(--radius); }
.case-tieout .case-note { color: rgba(244, 240, 232, .62); }

/* 4. Reconciled receivables */
.case-receivables-grid { max-width: 1320px; margin: 76px auto 0; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.case-inline-stat { margin-block: 26px 0; display: flex; align-items: baseline; gap: 14px; }
.case-inline-stat b { font-family: "Source Serif 4", Georgia, serif; font-size: 2.25rem; font-weight: 400; font-variant-numeric: tabular-nums; }
.case-inline-stat span { color: rgba(25, 28, 31, .64); font-size: 13px; }
.case-concentration { padding: 40px; border: 1px solid var(--case-rule-strong); border-radius: var(--radius); background: rgba(33, 26, 45, .045); }
.case-concentration strong { display: block; font-family: "Source Serif 4", Georgia, serif; font-size: clamp(3.5rem, 2.4rem + 4vw, 6rem); line-height: .92; font-weight: 400; font-variant-numeric: tabular-nums lining-nums; }
.case-concentration span { display: block; max-width: 22ch; margin-block-start: 20px; font-size: clamp(1rem, .95rem + .2vw, 1.125rem); }
.case-concentration small { display: block; margin-block-start: 14px; color: rgba(25, 28, 31, .6); font-size: 13px; }
.ledger-accounts tbody th { font-weight: 500; }

/* 5. The decision window */
.case-window { background: var(--graphite); color: var(--ivory); }
.case-window .case-heading h2 { max-width: 24ch; }
.case-decision {
  width: 100%;
  max-width: 1320px;
  margin: 76px auto 0;
  padding: 32px;
  aspect-ratio: auto;
  background: var(--plum);
  border-color: rgba(244, 240, 232, .16);
  opacity: 1;
  animation: none;
}
/* The spec puts the decision-window cut at the inline-end top corner. site.css
   hard-codes the LTR (top-right) polygon, so RTL needs the mirrored geometry. */
html[dir="rtl"] .case-decision { clip-path: polygon(18px 0, 100% 0, 100% 100%, 0 100%, 0 18px); }
/* Keep head and owner text off the rounded corner and the cut. */
.case-decision .window-head, .case-decision .case-decision-owner { padding-inline: 6px; }
.has-js .case-decision { opacity: 0; }
.has-js .case-decision.is-visible { animation: window-open 900ms var(--ease-settle) forwards; }
.case-decision-metric { margin-block: 28px 8px; display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.case-decision-metric strong { color: var(--copper); font-family: "Source Serif 4", Georgia, serif; font-size: clamp(2.5rem, 1.6rem + 3.4vw, 4.5rem); line-height: 1; font-weight: 400; font-variant-numeric: tabular-nums lining-nums; }
.case-decision-metric span { max-width: 22ch; color: rgba(244, 240, 232, .6); font-size: 13px; }
.case-decision-rows { margin-block-start: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-decision-rows > div { padding-block-start: 20px; border-block-start: 1px solid rgba(244, 240, 232, .18); }
.case-decision-rows small { display: block; margin-block-end: 12px; color: rgba(244, 240, 232, .58); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
html[lang="ar"] .case-decision-rows small { letter-spacing: 0; text-transform: none; }
.case-decision-rows p { margin: 0; max-width: 40ch; font-size: 15px; line-height: 1.55; }
.case-decision-rows .is-recommended { padding: 20px 18px 18px; border: 1px solid var(--mint); border-radius: 14px; }
.case-decision-rows .is-recommended small { color: var(--mint); }
.case-figs { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.case-figs li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-block-end: 8px; border-block-end: 1px solid rgba(244, 240, 232, .12); }
.case-figs span { color: rgba(244, 240, 232, .6); font-size: 12px; }
.case-figs b { font-size: 14px; font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.case-decision-owner { margin-block-start: 28px; padding-block-start: 20px; display: flex; gap: 56px; flex-wrap: wrap; border-block-start: 1px solid rgba(244, 240, 232, .18); }
.case-decision-owner small { display: block; margin-block-end: 4px; color: rgba(244, 240, 232, .58); font-size: 11px; }
.case-decision-owner b { font-size: 15px; }

/* 6. Thirteen-week cash evidence */
.case-scenario { max-width: 1320px; margin: 56px auto 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.case-scenario-label { margin-inline-end: 8px; color: rgba(25, 28, 31, .58); font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
html[lang="ar"] .case-scenario-label { letter-spacing: 0; text-transform: none; }
.case-scenario button { min-height: 48px; padding-inline: 22px; border: 1px solid var(--case-rule-strong); border-radius: 999px; background: transparent; cursor: pointer; font-size: 14px; font-weight: 500; transition: background 120ms, color 120ms, border-color 120ms; }
html[lang="ar"] .case-scenario button { min-height: 52px; }
.case-scenario button[aria-pressed="true"] { border-color: var(--plum); background: var(--plum); color: var(--ivory); }
.case-scenario button:hover { border-color: var(--plum); }

.case-chart { max-width: 1320px; margin: 32px auto 0; }
.case-chart svg { width: 100%; height: auto; }
.chart-zero { stroke: rgba(25, 28, 31, .4); stroke-width: 1; stroke-dasharray: 4 4; }
.chart-zero-label, .chart-tick { fill: rgba(25, 28, 31, .55); font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 11px; font-variant-numeric: tabular-nums; }
.chart-tick { text-anchor: middle; }
.chart-marker { stroke: var(--copper); stroke-width: 1; stroke-dasharray: 3 4; }
.chart-line { fill: none; stroke: rgba(25, 28, 31, .22); stroke-width: 1; stroke-linejoin: round; stroke-linecap: round; transition: stroke 260ms, stroke-width 260ms; }
.chart-line.is-active { stroke: var(--plum); stroke-width: 2; }
.chart-point { fill: var(--mint); stroke: var(--plum); stroke-width: 2; opacity: 0; transition: opacity 260ms; }
.chart-point.is-active { opacity: 1; }
.case-chart figcaption { max-width: 68ch; margin-block-start: 20px; color: rgba(25, 28, 31, .64); font-size: 13px; }
.ledger-cash .is-window th, .ledger-cash .is-window td { background: rgba(185, 106, 61, .1); font-weight: 600; }
.ledger-cash td[data-column], .ledger-cash th[data-column] { transition: opacity 260ms; }
.case-cash[data-scenario="baseline"] .ledger-cash [data-column="recovery"],
.case-cash[data-scenario="recovery"] .ledger-cash [data-column="baseline"] { opacity: .42; }

/* 7. Duplicate supplier payments */
.case-duplicates { background: var(--plum); color: var(--ivory); }
.case-duplicates .case-heading > p:not(.eyebrow) { color: rgba(244, 240, 232, .68); }
.case-duplicates .case-heading h2 { max-width: 20ch; }
.case-duplicates-grid { max-width: 1320px; margin: 76px auto 0; display: grid; grid-template-columns: 1.5fr 1fr; gap: 64px; align-items: start; }
.case-dup-total { padding: 36px; border: 1px solid rgba(244, 240, 232, .22); border-radius: var(--radius); }
.case-dup-total strong { display: block; font-family: "Source Serif 4", Georgia, serif; font-size: clamp(2.25rem, 1.6rem + 2.4vw, 3.5rem); line-height: 1; font-weight: 400; font-variant-numeric: tabular-nums lining-nums; }
.case-dup-total span { display: block; max-width: 22ch; margin-block-start: 18px; color: rgba(244, 240, 232, .68); font-size: 14px; }
.case-duplicates .case-note-invert { max-width: 1320px; margin: 40px auto 0; }

/* 8. Before and after, plus limits */
.case-shift .case-heading h2 { max-width: 26ch; }
.ledger-shift { max-width: 1320px; margin: 76px auto 0; }
.ledger-shift thead th { width: 50%; }
.ledger-shift td { padding-inline-end: 32px; font-size: 15px; }
.ledger-shift td:last-child { padding-inline-end: 0; font-weight: 500; }
.case-limits { max-width: 1320px; margin: 64px auto 0; padding: 32px; border: 1px solid var(--case-rule-strong); border-radius: var(--radius); background: rgba(33, 26, 45, .045); }
.case-limits ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 48px; }
.case-limits li { padding-inline-start: 18px; border-inline-start: 1px solid var(--copper); color: rgba(25, 28, 31, .78); font-size: 14px; }

/* Close */
.case-close { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; background: var(--plum); color: var(--ivory); }
.case-close-copy { grid-column: 1 / 6; align-self: center; }
.case-close-copy h2 { max-width: 13ch; }
.case-close-copy > p { max-width: 44ch; color: rgba(244, 240, 232, .68); }
.case-close .call-panel { grid-column: 7 / 13; }
.case-back { grid-column: 1 / 6; width: fit-content; margin-block-start: 8px; min-height: 44px; display: inline-flex; align-items: center; color: rgba(244, 240, 232, .72); font-size: 14px; text-underline-offset: 5px; }

/* Tablet */
@media (max-width: 1023px) {
  .case-hero { padding-block-start: 128px !important; display: block; }
  .case-facts { margin-block-start: 48px; }
  .case-outcomes { margin-block-start: 56px; }
  .case-problem-grid, .case-receivables-grid, .case-duplicates-grid { gap: 40px; }
  .case-stages li > div { grid-template-columns: 1fr; gap: 10px; }
  .case-decision-rows { grid-template-columns: 1fr; }
  .case-close { display: block; }
  .case-close .call-panel { margin-block-start: 48px; }
}

/* Mobile */
@media (max-width: 639px) {
  .case-heading { display: block; }
  .case-heading h2, .case-heading > p { max-width: none; }
  .case-heading > p { margin-block-start: 20px; }
  .case-hero { padding-block-start: 104px !important; }
  .case-hero h1 { max-width: none; }
  .case-outcomes { display: block; border-block-start: 0; }
  .case-outcomes-label { border-block-start: 1px solid var(--case-rule-strong); }
  .case-outcome, .case-outcome:not(:first-of-type) { padding: 26px 0; border-inline-end: 0; border-block-end: 1px solid var(--case-rule); }
  .case-outcome span, .case-outcome small { max-width: none; }
  .case-problem-grid, .case-receivables-grid, .case-duplicates-grid { margin-block-start: 48px; display: block; }
  .case-panel + .case-panel, .case-concentration, .case-dup-total { margin-block-start: 40px; }
  .case-panel-wide, .case-tieout, .ledger-shift, .case-limits, .case-stages { margin-block-start: 48px; }
  .case-tieout, .case-limits, .case-concentration, .case-dup-total { padding: 22px; }
  .ledger { font-size: 13px; }
  .ledger-cash { font-size: 12px; }
  .ledger-cash th:nth-child(2), .ledger-cash td:nth-child(2) { display: none; }
  .ledger-accounts th:nth-child(4), .ledger-accounts td:nth-child(4) { display: none; }
  .case-stages li { padding-inline-start: 44px; }
  .case-stage-index { width: 26px; height: 26px; inset-block-start: 28px; }
  .case-stages::before { inset: 12px auto 12px 12px; }
  html[dir="rtl"] .case-stages::before { inset: 12px 12px 12px auto; }
  .case-decision, .case-close { padding: 22px; }
  .case-decision-rows .is-recommended { padding: 18px 14px 14px; }
  .case-limits ul { grid-template-columns: 1fr; }
  .case-scenario { margin-block-start: 40px; }
  .demo-chip { inset: auto auto 10px 10px; padding: 5px 11px; font-size: 10px; }
  html[dir="rtl"] .demo-chip { inset: auto 10px 10px auto; }
}

/* Reduced motion: every animated state resolves to its finished form. */
@media (prefers-reduced-motion: reduce) {
  .has-js .case-outcome, .has-js .case-stages li, .has-js .case-decision { opacity: 1; transform: none; animation: none; }
}
html.reduce-motion .case-outcome,
html.reduce-motion .case-stages li,
html.reduce-motion .case-decision { opacity: 1; transform: none; animation: none; }