/* Project narratives inherit the site's Apple-inspired visual system. */
.case-study {
  --case-section-space: 112px;
  --case-gap: 48px;
  --case-blue-soft: #edf5ff;
  --case-diagram-line: #bfc4cc;
  --case-on-dark-muted: #c9c9ce;
  --case-on-dark-line: #535356;
  --case-on-dark-accent: #a8c8eb;
  --case-radius: var(--site-radius);
  color: var(--site-ink);
  font-size: 17px;
  line-height: 1.8;
}
.case-study :where(h1, h2, h3, p, figure, dl, dd, ol) { margin: 0; }
.case-study :where(h1, h2, h3) { text-wrap: balance; }
.case-wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.case-hero { padding-top: 36px; }
.case-back { display: inline-flex; min-height: 44px; align-items: center; color: var(--site-muted); font-size: 14px; text-decoration: none; }
.case-back:hover { color: var(--site-blue); }
.case-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: var(--case-gap); padding: 54px 0 72px; }
.case-hero h1 { font-size: clamp(42px, 4.6vw, 66px); line-height: 1.15; font-weight: 650; letter-spacing: -.03em; }
.case-project-name { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 28px !important; font-size: 23px; font-weight: 600; color: var(--site-blue); }
.case-inline-status { color: var(--site-muted); font-size: 13px; font-weight: 400; }
.case-lead { margin-top: 18px !important; max-width: 33em; color: var(--site-ink-soft); font-size: 19px; line-height: 1.9; }
.case-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 28px; margin-top: 30px; }
.case-actions .site-button { min-height: 46px; }
.case-hero-diagram { padding: 26px 12px 26px 24px; }
.case-overview-svg { display: block; width: 100%; height: auto; }
.case-hero-diagram figcaption { text-align: center; color: var(--site-muted); font-size: 14px; line-height: 1.8; margin-top: 18px; }
.case-context { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 28px; border-top: 1px solid var(--site-line); padding: 28px 0 32px; }
.case-context dt { font-size: 13px; color: var(--site-muted); margin-bottom: 8px; }
.case-context dd { font-size: 16px; font-weight: 500; }
.case-status { display: inline-flex; align-items: center; gap: 9px; color: var(--site-blue); }
.case-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.case-section-nav { position: sticky; top: 68px; z-index: 20; background: var(--site-white); border-block: 1px solid var(--site-line-hair); }
.case-section-nav > div { display: flex; gap: 32px; overflow-x: auto; scrollbar-width: thin; }
.case-section-nav a { flex: none; display: inline-flex; align-items: center; min-height: 56px; color: var(--site-ink-soft); font-size: 14px; text-decoration: none; }
.case-section-nav a:hover, .case-section-nav a:focus-visible { color: var(--site-blue); }
.case-section { padding-block: var(--case-section-space); scroll-margin-top: 150px; }
.case-section-soft { background: var(--site-ice); }
.case-section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: var(--case-gap); align-items: start; margin-bottom: 52px; }
.case-section-heading h2, .case-contact h2 { font-size: clamp(32px, 3.5vw, 48px); font-weight: 650; line-height: 1.25; letter-spacing: -.025em; }
.case-section-heading > p { padding-top: 4px; font-size: 18px; line-height: 1.9; color: var(--site-ink-soft); max-width: 38em; }
.case-challenges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.case-challenges article { padding-top: 24px; border-top: 1px solid var(--site-line); }
.case-challenges h3 { font-size: 21px; line-height: 1.45; margin-bottom: 16px; }
.case-challenges p { color: var(--site-ink-soft); font-size: 16px; }
.case-thesis { padding-top: 76px; font-size: 25px; line-height: 1.7; color: var(--site-muted); }
.case-thesis strong { color: var(--site-ink); font-weight: 550; }
.case-figure { padding: 32px; background: var(--site-white); border: 1px solid var(--site-line); border-radius: var(--case-radius); }
.case-figure + .case-figure { margin-top: 40px; }
.case-figure-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.case-figure-heading h3 { font-size: 23px; line-height: 1.5; font-weight: 600; }
.case-scroll-hint { display: none; font-size: 12px; color: var(--site-muted); white-space: nowrap; }
.case-diagram-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; scrollbar-color: var(--case-diagram-line) transparent; padding-bottom: 8px; }
.case-diagram-scroll:focus-visible { outline: 2px solid var(--site-blue); outline-offset: 5px; }
.case-figure > figcaption { margin-top: 24px; color: var(--site-muted); font-size: 14px; line-height: 1.85; max-width: 75ch; }
.case-diagram-scroll .svgfig { display: block; width: 100%; min-width: 800px; height: auto; }
.case-diagram-scroll .arch5, .case-diagram-scroll .journey, .case-diagram-scroll .bp, .case-diagram-scroll .flow { min-width: 900px; }
.case-diagram-scroll :where(.node__i, .jstage__i, .bpb__id b, .fn b) { font-variant-numeric: tabular-nums; }
.case-diagram-scroll .nodes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.case-diagram-scroll .node { padding: 20px 16px; border-top: 2px solid var(--site-blue); background: var(--site-ice); position: relative; }
.case-diagram-scroll .node::after { content: ""; position: absolute; left: 50%; bottom: -26px; width: 1px; height: 26px; background: var(--case-diagram-line); }
.case-diagram-scroll .node__i { display: block; font-size: 12px; color: var(--site-muted); }
.case-diagram-scroll .node__t { font-weight: 600; font-size: 19px; margin-top: 6px; }
.case-diagram-scroll .node__role { display: block; font-size: 12px; color: var(--site-blue); margin-top: 6px; }
.case-diagram-scroll .node__flow { font-size: 13px; color: var(--site-ink-soft); margin-top: 14px; line-height: 1.8; }
.case-diagram-scroll .core { position: relative; margin-top: 26px; padding: 24px; background: var(--case-blue-soft); border: 1px solid var(--site-line); text-align: center; }
.case-diagram-scroll .core__t { color: var(--site-blue); font-size: 21px; font-weight: 600; }
.case-diagram-scroll .core__d { max-width: 68em; margin: 10px auto 0; font-size: 14px; }
.case-diagram-scroll .outs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; text-align: center; font-size: 14px; }
.case-diagram-scroll .outs > div { padding: 14px; border-bottom: 1px solid var(--site-line); }
.case-diagram-scroll .journey { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.case-diagram-scroll .jstage { padding: 16px 12px; border-top: 2px solid var(--site-line); background: var(--site-ice); }
.case-diagram-scroll .jstage--ai { border-color: var(--site-blue); }
.case-diagram-scroll .jstage__i { font-size: 12px; color: var(--site-muted); }
.case-diagram-scroll .jstage__t { margin-top: 8px; font-size: 19px; font-weight: 600; }
.case-diagram-scroll .jchips { display: grid; gap: 9px; margin-top: 18px; }
.case-diagram-scroll .jc { padding-top: 8px; border-top: 1px solid var(--site-line); font-size: 12px; line-height: 1.7; }
.case-diagram-scroll .jc--a { color: var(--site-blue); }
.case-diagram-scroll .jc--h { font-weight: 600; }
.case-diagram-scroll .jlegend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 22px; font-size: 12px; color: var(--site-ink-soft); }
.case-diagram-scroll .jlegend :where(i, em) { font-style: normal; }
.case-diagram-scroll .jlegend .l-a { color: var(--site-blue); }
.case-diagram-scroll .jlegend em { display: block; width: 100%; color: var(--site-muted); }
.case-diagram-scroll .bp__bands { display: grid; gap: 0; }
.case-diagram-scroll .bpb { display: grid; grid-template-columns: 90px 1fr; gap: 20px; padding: 22px; background: var(--site-ice); }
.case-diagram-scroll .bpb__id { display: flex; flex-direction: column; font-size: 15px; font-weight: 600; }
.case-diagram-scroll .bpb__id b { color: var(--site-blue); font-size: 12px; font-weight: 500; }
.case-diagram-scroll .bpb__body { min-width: 0; }
.case-diagram-scroll .bprow { display: grid; gap: 10px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-diagram-scroll .bprow--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.case-diagram-scroll .bpbox { padding: 11px 10px; background: var(--site-white); border: 1px solid var(--site-line); }
.case-diagram-scroll .bpbox span { display: block; font-size: 13px; font-weight: 600; }
.case-diagram-scroll .bpbox em { display: block; color: var(--site-muted); font-size: 12px; font-style: normal; line-height: 1.6; margin-top: 4px; }
.case-diagram-scroll .bpbox--a { background: var(--case-blue-soft); color: var(--site-blue); }
.case-diagram-scroll .bpchain { display: flex; align-items: center; gap: 10px; }
.case-diagram-scroll .bpchain .bpbox { flex: 1; }
.case-diagram-scroll .bpchain i { color: var(--site-muted); font-style: normal; }
.case-diagram-scroll .bpflow { display: flex; justify-content: center; align-items: center; gap: 12px; padding: 10px; font-size: 12px; color: var(--site-muted); }
.case-diagram-scroll .bpflow i { display: block; width: 1px; height: 18px; background: var(--case-diagram-line); }
.case-diagram-scroll .bp__guard { padding: 16px 22px; background: var(--case-blue-soft); color: var(--site-ink-soft); font-size: 13px; }
.case-diagram-scroll .bp__guard b { color: var(--site-blue); }
.case-architecture-principles { display: grid; grid-template-columns: 1fr 1fr; gap: var(--case-gap); margin-top: 36px; }
.case-architecture-principles h3 { font-size: 20px; margin-bottom: 12px; }
.case-architecture-principles p { font-size: 16px; color: var(--site-ink-soft); }
.case-comparison { margin-bottom: 48px; }
.case-comparison > div { display: grid; grid-template-columns: 1fr 1fr; gap: var(--case-gap); border-bottom: 1px solid var(--site-line); padding: 18px 0; }
.case-comparison p { font-size: 16px; color: var(--site-muted); }
.case-comparison p + p { color: var(--site-ink); }
.case-comparison .case-comparison-head { font-size: 14px; font-weight: 600; padding-top: 0; }
.case-comparison-head span + span { color: var(--site-blue); }
.case-value { background: var(--site-ink); color: var(--site-white); }
.case-value .case-section-heading > p { color: var(--case-on-dark-muted); }
.case-value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 64px; }
.case-value-grid article { padding-top: 24px; border-top: 1px solid var(--case-on-dark-line); }
.case-value-grid span { color: var(--case-on-dark-accent); font-size: 14px; }
.case-value-grid h3 { font-size: 24px; line-height: 1.5; margin: 12px 0; }
.case-value-grid p { color: var(--case-on-dark-muted); font-size: 16px; max-width: 33em; }
.case-diagram-scroll .flow { display: grid; gap: 8px; }
.case-diagram-scroll .flow__band { display: grid; grid-template-columns: 100px 1fr; gap: 24px; align-items: center; padding: 20px; background: var(--site-ice); }
.case-diagram-scroll .flow__lab b { display: block; font-size: 17px; }
.case-diagram-scroll .flow__lab span { display: block; color: var(--site-muted); font-size: 12px; }
.case-diagram-scroll .flow__row { display: flex; align-items: center; gap: 12px; }
.case-diagram-scroll .fn { flex: 1; padding: 12px 14px; background: var(--site-white); border: 1px solid var(--site-line); }
.case-diagram-scroll .fn b { display: block; color: var(--site-blue); font-size: 12px; font-weight: 500; }
.case-diagram-scroll .fn span { display: block; font-size: 13px; }
.case-diagram-scroll .fn__arw { width: 16px; height: 1px; background: var(--case-diagram-line); position: relative; }
.case-diagram-scroll .fn__arw::after { content: ""; position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--case-diagram-line); border-right: 1px solid var(--case-diagram-line); transform: rotate(45deg); }
.case-diagram-scroll .flow__turn { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 12px; color: var(--site-muted); }
.case-diagram-scroll .flow__turn i { display: block; width: 1px; height: 18px; background: var(--case-diagram-line); }
.case-roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; padding: 0; margin-top: 52px !important; list-style: none; counter-reset: phase; }
.case-roadmap li { padding-top: 24px; border-top: 1px solid var(--site-line); counter-increment: phase; }
.case-roadmap li::before { content: "0" counter(phase); display: block; font-variant-numeric: tabular-nums; font-size: 30px; font-weight: 600; color: var(--site-ink); margin-bottom: 20px; }
.case-roadmap li > span { font-size: 13px; color: var(--site-muted); }
.case-roadmap li:first-child > span { color: var(--site-blue); }
.case-roadmap h3 { font-size: 23px; margin: 8px 0 14px; }
.case-roadmap p { font-size: 16px; color: var(--site-ink-soft); }
.case-disclosure { margin-top: 44px !important; padding-top: 24px; border-top: 1px solid var(--site-line); font-size: 13px; color: var(--site-muted); }
.case-contact { text-align: center; background: var(--site-ice); }
.case-contact > div > p { margin-top: 24px; color: var(--site-ink-soft); font-size: 19px; }
.case-contact .case-actions { justify-content: center; }
@media (max-width: 1040px) {
  .case-study { --case-section-space: 80px; --case-gap: 32px; }
  .case-hero-grid { padding-block: 40px 56px; }
  .case-hero-diagram { padding-inline: 0; }
  .case-section-heading h2, .case-contact h2 { font-size: 36px; }
  .case-scroll-hint { display: inline; }
  .case-figure-heading { flex-direction: column; gap: 8px; }
}
@media (max-width: 760px) {
  .case-study { --case-section-space: 64px; --case-gap: 28px; }
  .case-wrap { width: calc(100% - 40px); }
  .case-hero { padding-top: 20px; }
  .case-hero-grid { grid-template-columns: 1fr; padding: 30px 0 32px; gap: 32px; }
  .case-hero h1 { font-size: 44px; }
  .case-project-name { font-size: 21px; margin-top: 24px !important; }
  .case-lead { font-size: 17px; line-height: 1.85; }
  .case-hero-diagram { max-width: 520px; margin-inline: auto !important; padding-block: 12px; }
  .case-context { grid-template-columns: 1fr 1fr; gap: 22px; }
  .case-context > div:nth-child(2) { grid-row: 2; grid-column: 1 / -1; }
  .case-context dd { font-size: 14px; }
  .case-section-nav > div { gap: 24px; }
  .case-section-nav a { min-height: 50px; font-size: 13px; }
  .case-section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .case-section-heading h2, .case-contact h2 { font-size: 34px; }
  .case-section-heading > p { font-size: 16px; padding-top: 0; }
  .case-challenges, .case-roadmap, .case-value-grid, .case-architecture-principles { grid-template-columns: 1fr; gap: 28px; }
  .case-thesis { padding-top: 44px; font-size: 21px; }
  .case-figure { padding: 22px 18px; border-radius: var(--site-radius); }
  .case-figure + .case-figure { margin-top: 28px; }
  .case-figure-heading h3 { font-size: 20px; }
  .case-figure > figcaption { font-size: 13px; }
  .case-comparison > div { gap: 22px; }
  .case-comparison p { font-size: 14px; }
  .case-value-grid h3 { font-size: 23px; }
  .case-roadmap { margin-top: 32px !important; }
  .case-contact > div > p { font-size: 17px; }
  .case-contact > div > p br { display: none; }
}
@media (max-width: 560px) {
  .case-hero h1 { font-size: clamp(30px, 9vw, 37px); }
  .case-section-heading h2, .case-contact h2 { font-size: 31px; }
  .case-context { gap: 18px; }
  .case-actions { gap: 16px 22px; }
  .case-hero .case-actions { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .case-study *, .case-study *::before, .case-study *::after { scroll-behavior: auto !important; }
}