/* Cases from the record (/cases, /cases/<slug>). Stage colours follow SYSTEM.md section 2. */

/* ── Motif ───────────────────────────────────────────────────────────── */
.case-motif { display: block; width: 100%; height: auto; overflow: visible; }
.case-motif .m-line { fill: none; stroke: color-mix(in srgb, var(--stage, var(--line-strong)) 70%, var(--line-strong)); stroke-width: 1.4; }
.case-motif .m-broken { fill: none; stroke: var(--line-strong); stroke-width: 1.4; stroke-dasharray: 4 4; mask: linear-gradient(#000, #000); opacity: .55; }
.case-motif .m-broken { stroke-dashoffset: 0; }
.case-motif .m-dot { fill: var(--surface); stroke: var(--stage, var(--ink-mute)); stroke-width: 1.4; }
.case-motif .m-dot-faded { stroke: var(--line-strong); opacity: .6; }
.case-motif .m-bar { fill: var(--tf-gold-wash); stroke: var(--emphasis); stroke-width: 1.2; }
.case-motif .m-bar-weak { fill: none; stroke: var(--line-strong); stroke-dasharray: 3 3; }
.case-motif .m-strong { stroke: var(--emphasis); }
.case-motif .m-dot-strong { stroke: var(--emphasis); }
.case-motif .m-tick { fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
/* A broken path stops short: draw only its upper half. */
.case-motif.tone-warning .m-broken, .case-motif.tone-contrast .m-broken { stroke-dasharray: 4 4 4 4 4 4 0 200; }

/* ── Index ───────────────────────────────────────────────────────────── */
.cases-hero { display: grid; grid-template-columns: var(--cols); column-gap: var(--gap); row-gap: 1.5rem; align-items: end; padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem); }
.cases-hero > div { grid-column: 1 / -1; min-width: 0; }
@media (min-width: 64rem) { .cases-hero > div:first-child { grid-column: 1 / span 6; } .cases-hero > div:last-child { grid-column: 8 / span 5; } }
.cases-hero h1 { font-size: clamp(2.5rem, 1.3rem + 4.4vw, 4.25rem); }
.cases-hero .lead { color: var(--ink); margin-bottom: 1rem; }
.cases-hero p:not(.lead):not(.eyebrow) { color: var(--ink-soft); }

.cases-index { padding-bottom: var(--space-section); }
.case-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
@media (min-width: 46rem) { .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 72rem) { .case-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } .case-grid > li { grid-column: span 2; } .case-grid > li:nth-child(1), .case-grid > li:nth-child(2), .case-grid > li:nth-child(6), .case-grid > li:nth-child(7) { grid-column: span 3; } }
.case-card > a { position: relative; display: flex; flex-direction: column; height: 100%; padding: 1.5rem 1.5rem 1.35rem; border: 1px solid var(--line); border-top: 3px solid var(--stage); border-radius: var(--r-s); background: var(--surface); color: var(--ink); text-decoration: none; box-shadow: 0 14px 30px -26px color-mix(in srgb, var(--ink) 45%, transparent); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.case-card > a:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--stage) 40%, var(--line)); box-shadow: 0 22px 40px -28px color-mix(in srgb, var(--ink) 55%, transparent); }
.case-card > a:focus-visible { outline: 2px solid var(--tf-focus); outline-offset: 3px; }
.case-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.case-card .case-motif { width: 7.5rem; }
.case-num { color: var(--stage-text); font: 400 2rem / 1 var(--serif); }
.case-meta { color: var(--ink-mute); font: 600 .75rem / 1.4 var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.case-card h2 { margin: .5rem 0 .75rem; font-size: clamp(1.35rem, 1.15rem + .7vw, 1.75rem); line-height: 1.2; }
.case-teaser { color: var(--ink-soft); font-size: .9375rem; }
.case-step { display: inline-flex; align-self: flex-start; align-items: center; gap: .45rem; margin-top: 1.1rem; padding: .2rem .7rem .2rem .2rem; border-radius: 100px; background: var(--stage-wash); color: var(--stage-text); font: 600 .75rem / 1.4 var(--sans); letter-spacing: .05em; text-transform: uppercase; }
.case-step span { padding: .15rem .55rem; border-radius: 100px; background: var(--surface); color: var(--ink-mute); font-weight: 500; letter-spacing: .03em; text-transform: none; }
.case-more { margin-top: auto; padding-top: 1.25rem; color: var(--link); font: 600 .875rem / 1.4 var(--sans); }
.case-legend { display: grid; grid-template-columns: 1fr; gap: .75rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
@media (min-width: 52rem) { .case-legend { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.case-legend p { display: flex; align-items: center; gap: .85rem; color: var(--ink-mute); font-size: .875rem; }
.case-legend .case-motif { flex: none; width: 4.5rem; --stage: var(--stage-prepare); }

/* ── Case page ───────────────────────────────────────────────────────── */
.case-hero { display: grid; grid-template-columns: var(--cols); column-gap: var(--gap); row-gap: 2rem; align-items: center; padding-block: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 3vw, 2.5rem); }
.case-hero > div { grid-column: 1 / -1; min-width: 0; }
@media (min-width: 64rem) { .case-hero > div:first-child { grid-column: 1 / span 7; } .case-hero > div:last-child { grid-column: 9 / span 4; } }
.case-hero .eyebrow a { color: inherit; text-decoration: none; } .case-hero .eyebrow a:hover { text-decoration: underline; }
.case-short { margin: 1rem 0 .4rem; color: var(--stage-text); font: 600 .9375rem / 1.4 var(--sans); }
.case-hero h1 { font-size: clamp(2.25rem, 1.3rem + 3.6vw, 3.75rem); line-height: 1.08; }
.case-hero .lead { margin-top: 1.25rem; color: var(--ink); }
.case-hero-art { padding: clamp(1.25rem, 3vw, 2.25rem); border: 1px solid var(--line); border-radius: var(--r-m, 10px); background: radial-gradient(ellipse 70% 60% at 50% 70%, color-mix(in srgb, var(--tf-gold-wash) 85%, transparent) 0, transparent 70%), var(--surface); }
.case-hero-art .case-motif { max-width: 18rem; margin-inline: auto; }

.case-glance { display: grid; grid-template-columns: 1fr; gap: 1px; margin-block: clamp(1rem, 2vw, 1.5rem) clamp(2.5rem, 5vw, 4rem); border: 1px solid var(--line); border-radius: var(--r-s); background: var(--line); overflow: hidden; }
@media (min-width: 46rem) { .case-glance { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.case-glance > div { display: flex; flex-direction: column; gap: .4rem; padding: 1.4rem 1.5rem; background: var(--surface); }
.case-glance strong { color: var(--heading); font: 400 clamp(2rem, 1.6rem + 1.4vw, 2.75rem) / 1 var(--serif); }
.case-glance span { color: var(--ink-soft); font-size: .875rem; }

.case-body { display: grid; grid-template-columns: var(--cols); column-gap: var(--gap); row-gap: 2.5rem; padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.case-body > * { grid-column: 1 / -1; min-width: 0; }
@media (min-width: 64rem) { .case-story { grid-column: 1 / span 5 !important; } .case-timeline { grid-column: 7 / span 6 !important; } }
.case-body h2, .case-record h2, .case-sources h2, .case-caution h2 { margin-bottom: 1rem; font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem); }
.case-story p { color: var(--ink-soft); } .case-story p + p { margin-top: 1rem; }
.case-timeline { position: relative; margin: 0; padding: 0 0 0 1.5rem; list-style: none; }
.case-timeline::before { content: ""; position: absolute; left: .3rem; top: .4rem; bottom: .4rem; width: 1px; background: linear-gradient(var(--line-strong), color-mix(in srgb, var(--stage) 70%, var(--line-strong))); }
.case-timeline li { position: relative; display: grid; grid-template-columns: 1fr; gap: .2rem; padding-bottom: 1.1rem; }
@media (min-width: 40rem) { .case-timeline li { grid-template-columns: 9.5rem 1fr; gap: 1rem; } }
.case-timeline li::before { content: ""; position: absolute; left: -1.5rem; top: .35rem; width: .65rem; height: .65rem; border: 1.5px solid var(--stage); border-radius: 50%; background: var(--canvas); }
.case-timeline li:last-child::before { background: var(--stage); }
.case-timeline time { color: var(--stage-text); font: 600 .8125rem / 1.5 var(--sans); }
.case-timeline p { color: var(--ink-soft); font-size: .9375rem; }

.case-record { padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.case-record ol { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
@media (min-width: 52rem) { .case-record ol { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.case-record li { position: relative; padding: 1.4rem 1.5rem 1.4rem 4.25rem; border: 1px solid var(--line); border-radius: var(--r-s); background: var(--surface); }
.rec-n { position: absolute; left: 1.4rem; top: 1.3rem; color: var(--stage-text); font: 400 1.6rem / 1 var(--serif); }
.case-record h3 { margin-bottom: .45rem; font-size: 1.125rem; }
.case-record p { color: var(--ink-soft); font-size: .9375rem; }

.case-speaks { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-block: clamp(1rem, 3vw, 2rem) clamp(2.5rem, 5vw, 4rem); }
@media (min-width: 64rem) { .case-speaks { grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; } }
.speaks-card { padding: clamp(1.5rem, 4vw, 2.5rem); border-left: 3px solid var(--stage); border-radius: 0 var(--r-s) var(--r-s) 0; background: linear-gradient(100deg, var(--stage-wash), color-mix(in srgb, var(--stage-wash) 35%, var(--surface))); }
.speaks-text { margin: .85rem 0 1.25rem; color: var(--ink); font: 400 clamp(1.25rem, 1.05rem + .8vw, 1.6rem) / 1.4 var(--serif); }
.case-caution h2 { font-size: 1.125rem; } .case-caution p { color: var(--ink-mute); font-size: .875rem; }

.case-sources { padding-block: clamp(2rem, 4vw, 3rem); border-top: 1px solid var(--line); }
.case-sources ol { margin: 0; padding-left: 1.25rem; }
.case-sources li { margin-bottom: .6rem; color: var(--ink-mute); font-size: .875rem; }
.case-sources a { color: var(--link); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--link) 35%, transparent); text-underline-offset: 3px; }
.case-method { margin-top: 1.25rem; color: var(--ink-mute); font-size: .8125rem; }

.case-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-block: 1.5rem var(--space-section); border-top: 1px solid var(--line); }
@media (min-width: 52rem) { .case-nav { grid-template-columns: 1fr auto 1fr; align-items: center; } }
.case-nav a { display: flex; flex-direction: column; gap: .2rem; color: var(--ink); font: 400 1.125rem / 1.3 var(--serif); text-decoration: none; }
.case-nav a span { color: var(--ink-mute); font: 600 .75rem / 1.4 var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.case-nav a:last-child { text-align: right; align-items: flex-end; }
.case-nav .case-nav-all { grid-column: 1 / -1; order: 3; color: var(--link); font: 600 .875rem / 1.4 var(--sans); text-align: center; align-items: center; }
@media (min-width: 52rem) { .case-nav .case-nav-all { grid-column: auto; order: 0; } }

@media (prefers-reduced-motion: reduce) { .case-card > a { transition: none; } .case-card > a:hover { transform: none; } }

/* Evidence in context — October 2026 elevation. */
.cases-hero h1 { font-size: clamp(2.35rem, 1.2rem + 3.6vw, 3.8rem); line-height: 1.12; }
.cases-hero-links { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; margin-top: 1.5rem; }
.cases-hero-links a { font-size: .9rem; font-weight: 600; text-underline-offset: .25em; }
.cases-reading { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem 3rem; padding: clamp(1.5rem, 4vw, 2.5rem); margin-block: 1.5rem 2rem; background: var(--deep); color: var(--deep-ink); border-radius: var(--r-m); }
.cases-reading .eyebrow { color: var(--deep-emphasis); }
.cases-reading h2 { color: var(--deep-ink); font-size: clamp(1.65rem, 2.4vw, 2.2rem); line-height: 1.2; }
.cases-reading p:not(.eyebrow) { color: var(--deep-ink); font-size: .95rem; }
.cases-reading p + p { margin-top: 1rem; }
.cases-reading a { color: var(--deep-emphasis); text-underline-offset: .25em; }
.cases-pattern-nav { display: grid; gap: 1rem; padding-block: .5rem 4rem; }
.cases-pattern-nav > a { position: relative; display: grid; grid-template-columns: 2rem 1fr; align-content: start; column-gap: .6rem; padding: 1.25rem 1.5rem 1.25rem 1.2rem; border-top: 1px solid var(--line-strong); color: var(--ink); text-decoration: none; }
.cases-pattern-nav > a > span:first-child { color: var(--emphasis-text); font: 400 1.6rem / 1.2 var(--serif); }
.cases-pattern-nav strong { font-size: .95rem; }
.cases-pattern-nav p { grid-column: 2; margin-top: .5rem; color: var(--ink-soft); font-size: .875rem; }
.cases-pattern-nav .pattern-arrow { grid-column: 2; color: var(--link); margin-top: .6rem; }
.cases-pattern-nav > a:hover { background: var(--surface); }
.cases-section-heading { max-width: 48rem; margin-bottom: 2.25rem; }
.cases-section-heading h2 { font-size: clamp(1.9rem, 1.25rem + 2vw, 2.8rem); line-height: 1.16; }
.cases-section-heading > p:last-child { margin-top: 1rem; color: var(--ink-soft); }
.case-pattern { margin-top: 3rem; scroll-margin-top: 6rem; }
.case-pattern-heading { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.2rem; }
.case-pattern-heading > span { color: var(--emphasis-text); font: 400 1.8rem / 1.2 var(--serif); }
.case-pattern-heading h3 { font-size: clamp(1.25rem, 1rem + .75vw, 1.7rem); }
.case-pattern-heading p { color: var(--ink-mute); font-size: .9rem; margin-top: .35rem; }
.case-card h4 { margin: .5rem 0 .75rem; font: 400 clamp(1.35rem, 1.15rem + .7vw, 1.75rem) / 1.2 var(--serif); color: var(--heading); }
.case-step { flex-wrap: wrap; border-radius: var(--r-s); letter-spacing: .025em; }
.cases-worked { padding-block: 3rem var(--space-section); border-top: 1px solid var(--line); scroll-margin-top: 6rem; }
.cases-worked-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
.cases-worked-card { display: flex; flex-direction: column; padding: clamp(1.4rem, 3vw, 2rem); background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: var(--r-s); color: var(--ink); text-decoration: none; }
.cases-worked-card h3 { margin-block: .8rem; font-size: clamp(1.35rem, 1.15rem + .7vw, 1.7rem); line-height: 1.25; }
.cases-worked-card > p:not(.case-meta) { color: var(--ink-soft); font-size: .95rem; }
.cases-worked-card .worked-detail { padding-top: 1.25rem; font-size: .8rem !important; font-weight: 600; color: var(--accent) !important; }
.cases-worked-card:hover { border-color: var(--accent); }
.cases-worked-note { margin-top: 1.25rem; color: var(--ink-mute); font-size: .875rem; max-width: 70ch; }
.cases-book { display: grid; gap: 1.5rem 3rem; margin-bottom: var(--space-section); padding: clamp(1.5rem, 4vw, 3rem); background: var(--tf-gold-wash); border-top: 2px solid var(--emphasis); border-radius: 0 0 var(--r-m) var(--r-m); }
.cases-book h2 { font-size: clamp(1.75rem, 1.35rem + 1.7vw, 2.6rem); line-height: 1.2; }
.cases-book p:not(.eyebrow) { color: var(--ink-soft); }
.cases-book a { display: inline-block; margin-top: 1rem; font-size: .95rem; font-weight: 600; text-underline-offset: .25em; }
.case-application { padding: clamp(1.5rem, 4vw, 2.5rem); margin-bottom: 2rem; background: var(--tf-indigo-wash); border-radius: var(--r-m); }
.case-application header { max-width: 56rem; }
.case-application h2 { font-size: clamp(1.6rem, 1.15rem + 1.7vw, 2.35rem); line-height: 1.2; }
.case-application-grid { display: grid; gap: 1.5rem 2.5rem; margin-top: 1.75rem; }
.case-application-grid h3 { font: 600 .95rem / 1.4 var(--sans); margin-bottom: .6rem; }
.case-application-grid p { font-size: .95rem; color: var(--ink-soft); }
.case-inference-note { padding-top: 1.25rem; margin-top: 1.5rem; border-top: 1px solid var(--line-strong); color: var(--ink-mute); font-size: .85rem; }
.case-inference-note a { color: var(--link); text-underline-offset: .25em; }
.case-next-reading { display: grid; gap: 1.25rem; padding-block: 1rem 3rem; }
.case-next-reading > a { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--r-s); background: var(--surface); color: var(--ink); text-decoration: none; }
.case-next-reading h2 { font-size: 1.6rem; line-height: 1.2; margin-bottom: .8rem; }
.case-next-reading p:not(.eyebrow) { color: var(--ink-soft); font-size: .9rem; }
.case-next-reading > a > span { display: inline-block; margin-top: 1rem; color: var(--link); font-size: .9rem; font-weight: 600; }
.case-next-reading > a:hover { border-color: var(--accent); }
#record { scroll-margin-top: 6rem; }
@media (min-width: 46rem) {
  .cases-reading, .cases-book { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .cases-worked-grid, .case-application-grid, .case-next-reading { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 60rem) { .cases-pattern-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 72rem) {
  .case-pattern .case-grid > li { grid-column: span 3; }
  .case-pattern .case-grid:has(> li:nth-child(3)) > li { grid-column: span 2; }
}
@media (max-width: 30rem) { .case-card > a { padding: 1.2rem; } .case-step { font-size: .7rem; } }