:root {
  --home-shell: 78rem;
  --home-strong: #0b2319;
  --home-strong-2: #153d2b;
  --home-gold: #a16207;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; overflow-x: hidden; }
.shell { width: min(var(--home-shell), calc(100% - 2.5rem)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 200; top: .75rem; left: .75rem; transform: translateY(-160%); padding: .75rem 1rem; border-radius: .55rem; background: var(--ja-ink); color: var(--ja-surface); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 100; top: 0; }
.site-bar { min-height: 4.7rem; display: flex; align-items: center; gap: 1rem; }
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: .75rem; color: var(--ja-ink); text-decoration: none; }
.brand img { width: 2.35rem; height: 2.35rem; flex: 0 0 auto; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: .96rem; line-height: 1.15; }
.brand small { margin-top: .2rem; color: var(--ja-ink-soft); font: 650 .62rem/1.1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: .25rem; }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: .55rem .85rem; border-radius: .55rem; color: var(--ja-ink-muted); font-size: .86rem; font-weight: 650; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ja-action); background: var(--ja-green-100); }
.theme-button { min-width: 44px; min-height: 44px; border: 1px solid var(--ja-border-strong); border-radius: .55rem; background: var(--ja-surface); color: var(--ja-ink); }

.eyebrow { margin: 0; color: var(--ja-green-700); font: 750 .72rem/1.25 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.hero { min-height: calc(100svh - 4.7rem); display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(25rem, .98fr); align-items: center; gap: clamp(2.5rem, 6vw, 6rem); padding-block: clamp(4.5rem, 9vw, 7rem); }
.hero h1 { max-width: 10ch; margin: 1.2rem 0 1.4rem; font-size: clamp(3.15rem, 6.6vw, 6.3rem); line-height: .94; letter-spacing: -.065em; }
.hero h1 span { display: block; color: var(--ja-green-700); }
.hero .lede { max-width: 39rem; margin: 0; color: var(--ja-ink-muted); font-size: clamp(1.02rem, 1.5vw, 1.2rem); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .75rem 1.15rem; border: 1px solid var(--ja-border-strong); border-radius: .65rem; background: var(--ja-surface); color: var(--ja-ink); font-weight: 750; text-decoration: none; }
.button:hover { transform: translateY(-1px); border-color: var(--ja-green-500); color: var(--ja-action); }
.button.primary { border-color: var(--ja-action); background: var(--ja-action); color: #fff; }
.button.primary:hover { background: var(--ja-action-hover); color: #fff; }
.button:disabled { opacity: .58; cursor: wait; transform: none; }
.hero-note { margin: 1.15rem 0 0; color: var(--ja-ink-soft); font: 600 .72rem/1.6 var(--mono); }

.hero-visual { position: relative; min-height: 35rem; overflow: hidden; border: 1px solid rgba(159, 213, 179, .3); border-radius: 2rem; padding: clamp(1.3rem, 3vw, 2.3rem); background: linear-gradient(145deg, var(--home-strong), var(--home-strong-2)); box-shadow: 0 32px 90px rgba(11, 35, 25, .2); color: #f4faf6; }
.hero-visual::before { content: ""; position: absolute; width: 22rem; height: 22rem; right: -9rem; top: -8rem; border-radius: 50%; background: rgba(109, 187, 141, .16); }
.visual-window { position: relative; z-index: 1; min-height: 28rem; display: grid; align-content: space-between; border: 1px solid rgba(200, 232, 211, .2); border-radius: 1.25rem; padding: 1.2rem; background: rgba(255, 255, 255, .055); }
.window-bar { display: flex; align-items: center; gap: .42rem; color: #c8e8d3; font: 650 .67rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.window-bar i { width: .55rem; height: .55rem; border-radius: 50%; background: #9fd5b3; box-shadow: 1rem 0 #d7b36a, 2rem 0 #d6877f; margin-right: 2rem; }
.visual-window img { width: min(100%, 24rem); max-height: 18rem; margin: 1.5rem auto; object-fit: contain; filter: saturate(.82); }
.visual-caption { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.25rem; }
.visual-caption p { max-width: 23rem; margin: 0; color: #c8e8d3; font-size: .84rem; line-height: 1.55; }
.visual-caption strong { font: 600 1.55rem/1 var(--serif); }
.float-card { position: absolute; z-index: 3; min-width: 11rem; padding: .9rem 1rem; border: 1px solid rgba(200, 232, 211, .45); border-radius: .85rem; background: rgba(244, 250, 246, .96); color: var(--home-strong); box-shadow: 0 18px 48px rgba(2, 16, 9, .28); }
.float-card span, .float-card strong, .float-card small { display: block; }
.float-card span { color: var(--ja-green-700); font: 750 .62rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.float-card strong { margin-top: .35rem; font-size: 1.05rem; }
.float-card small { margin-top: .22rem; color: #53665a; font-size: .71rem; }
.float-top { top: 6%; right: 2%; }
.float-bottom { right: 3%; bottom: 5%; }

.truth-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--ja-border); background: rgba(255, 255, 255, .62); }
.truth-strip article { min-height: 8rem; padding: 1.4rem clamp(1rem, 2.6vw, 2rem); border-right: 1px solid var(--ja-border); }
.truth-strip article:last-child { border-right: 0; }
.truth-strip strong, .truth-strip span { display: block; }
.truth-strip strong { font-size: .92rem; }
.truth-strip span { margin-top: .45rem; color: var(--ja-ink-muted); font-size: .82rem; line-height: 1.55; }

.section { padding-block: clamp(4.5rem, 8vw, 7.5rem); }
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head h2 { margin: .85rem 0 1rem; font-size: clamp(2.35rem, 4.5vw, 4.2rem); line-height: 1; letter-spacing: -.055em; }
.section-head p { max-width: 43rem; margin: 0; color: var(--ja-ink-muted); font-size: 1rem; line-height: 1.7; }
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.outcome-card { min-height: 16rem; padding: 1.5rem; border: 1px solid var(--ja-border); border-radius: 1rem; background: var(--ja-surface); box-shadow: var(--ja-shadow-sm); }
.outcome-card .number { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: 50%; background: var(--ja-green-100); color: var(--ja-green-800); font: 750 .8rem/1 var(--mono); }
.outcome-card h3 { margin: 2rem 0 .75rem; font-size: 1.55rem; line-height: 1.08; }
.outcome-card p { margin: 0; color: var(--ja-ink-muted); line-height: 1.65; }

.demo-section { border-block: 1px solid var(--ja-border); background: rgba(255, 255, 255, .55); }
.demo-shell { display: grid; grid-template-columns: minmax(15rem, .68fr) minmax(0, 1.32fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.demo-intro { position: sticky; top: 6.4rem; }
.demo-intro h2 { margin: .85rem 0 1rem; font-size: clamp(2.5rem, 4.5vw, 4.5rem); line-height: .98; }
.demo-intro p { color: var(--ja-ink-muted); line-height: 1.7; }
.demo-flow { display: grid; gap: .65rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.demo-flow li { display: grid; grid-template-columns: 2.1rem 1fr; gap: .75rem; align-items: start; color: var(--ja-ink-muted); font-size: .86rem; }
.demo-flow b { width: 2.1rem; height: 2.1rem; display: grid; place-items: center; border-radius: .55rem; background: var(--ja-green-100); color: var(--ja-green-800); font: 750 .72rem/1 var(--mono); }
.demo-flow strong { display: block; color: var(--ja-ink); }
.demo-panel { min-width: 0; overflow: hidden; border: 1px solid var(--ja-border); border-radius: 1.2rem; background: var(--ja-surface); box-shadow: var(--ja-shadow-md); }
.demo-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.35rem; border-bottom: 1px solid var(--ja-border); background: var(--ja-surface-subtle); }
.demo-panel-head strong, .demo-panel-head span { display: block; }
.demo-panel-head span { margin-top: .25rem; color: var(--ja-ink-soft); font: 600 .67rem/1.3 var(--mono); }
.demo-body { padding: clamp(1.2rem, 3vw, 2rem); }
.demo-empty { min-height: 25rem; display: grid; place-items: center; padding: 2rem; border: 1px dashed var(--ja-green-400); border-radius: .85rem; text-align: center; background: linear-gradient(135deg, rgba(229, 244, 234, .68), rgba(255, 255, 255, .95)); }
.demo-empty[hidden] { display: none; }
.demo-empty img { width: min(100%, 15rem); max-height: 10rem; }
.demo-empty h3 { margin: 1.25rem 0 .5rem; font-size: 1.45rem; }
.demo-empty p { max-width: 27rem; margin: 0 auto 1.3rem; color: var(--ja-ink-muted); }
.demo-status { min-height: 1.5rem; margin: 0 0 1rem; color: var(--ja-ink-muted); font: 600 .75rem/1.45 var(--mono); }
.demo-error { margin-bottom: 1rem; padding: .9rem 1rem; border-left: 3px solid var(--ja-red); border-radius: 0 .55rem .55rem 0; background: var(--ja-red-soft); color: var(--ja-red); }
.demo-summary[hidden], .demo-error:empty { display: none; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .65rem; }
.metric { min-height: 7rem; padding: 1rem; border: 1px solid var(--ja-border); border-top: 3px solid var(--ja-green-700); border-radius: .7rem; background: var(--ja-surface-subtle); }
.metric span, .metric strong { display: block; }
.metric span { color: var(--ja-ink-muted); font-size: .72rem; }
.metric strong { margin-top: .65rem; font: 700 clamp(1.5rem, 3vw, 2.15rem)/1 var(--mono); }
.findings { margin-top: 1rem; padding: 1.15rem; border-radius: .75rem; background: var(--home-strong); color: #f4faf6; }
.findings h3 { margin: 0 0 .75rem; font-size: 1.25rem; }
.findings ul { margin: 0; padding-left: 1.2rem; color: #d8eadf; }
.findings li + li { margin-top: .5rem; }
.sheet-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; margin-top: 1rem; }
.sheet-card { min-width: 0; padding: 1rem; border: 1px solid var(--ja-border); border-radius: .7rem; background: var(--ja-surface); }
.sheet-card h4 { margin: 0 0 .55rem; font-size: .95rem; }
.sheet-card p { margin: .25rem 0; color: var(--ja-ink-muted); font-size: .76rem; overflow-wrap: anywhere; }
.demo-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.demo-actions button { min-height: 44px; padding: .65rem .85rem; border: 1px solid var(--ja-border-strong); border-radius: .55rem; background: var(--ja-surface); color: var(--ja-ink); font-weight: 650; }
.technical-details { margin-top: 1rem; border-top: 1px solid var(--ja-border); padding-top: 1rem; }
.technical-details > summary { min-height: 44px; display: flex; align-items: center; font-weight: 750; }
.technical-output { min-width: 0; }
.technical-output .sheet { padding: 1rem; }
.technical-output .tablewrap { max-width: 100%; overflow-x: auto; }
.technical-output table { width: 100%; border-collapse: collapse; font-size: .76rem; }
.technical-output th, .technical-output td { padding: .5rem .65rem; border-bottom: 1px solid var(--ja-border); white-space: nowrap; text-align: left; }
.technical-output .badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.technical-output .badge { display: inline-flex; padding: .25rem .55rem; border: 1px solid var(--ja-border); border-radius: 999px; font-size: .69rem; }
.technical-output .callout { margin: .65rem 0; padding: .75rem; border-left: 3px solid var(--ja-amber); background: var(--ja-amber-soft); }
.technical-output .callout.bad { border-left-color: var(--ja-red); background: var(--ja-red-soft); }

.boundary { display: grid; grid-template-columns: .84fr 1.16fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; padding: clamp(2rem, 5vw, 4.5rem); border-radius: 1.5rem; background: linear-gradient(145deg, var(--home-strong), var(--home-strong-2)); color: #f4faf6; box-shadow: 0 28px 72px rgba(11, 35, 25, .18); }
.boundary img { width: min(100%, 22rem); margin-inline: auto; max-height: 17rem; object-fit: contain; }
.boundary h2 { margin: .7rem 0 1rem; color: #fff; font-size: clamp(2.2rem, 4vw, 3.7rem); line-height: 1; }
.boundary > div > p { color: #c8e8d3; line-height: 1.7; }
.lane-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: 1.4rem; }
.lane { padding: 1rem; border: 1px solid rgba(200, 232, 211, .25); border-radius: .8rem; background: rgba(255, 255, 255, .06); }
.lane strong { display: block; color: #fff; }
.lane p { margin: .5rem 0 0; color: #c8e8d3; font-size: .82rem; line-height: 1.55; }
.boundary .button { margin-top: 1.4rem; border-color: #c8e8d3; background: #f4faf6; color: var(--home-strong); }

.related-workflows { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: clamp(1.25rem, 4vw, 3rem); margin-block: clamp(2rem, 5vw, 4rem) 0; padding: clamp(1.25rem, 3vw, 1.8rem); border: 1px solid var(--ja-border); border-left: 4px solid var(--ja-green-500); border-radius: 1rem; background: var(--ja-surface-subtle); }
.related-workflows-copy { min-width: 0; }
.related-workflows-copy h2 { max-width: 34ch; margin: .45rem 0 .55rem; color: var(--ja-ink); font-size: clamp(1.35rem, 2.5vw, 2rem); line-height: 1.12; }
.related-workflows-copy > p:last-child { max-width: 57rem; margin: 0; color: var(--ja-ink-muted); font-size: .86rem; line-height: 1.6; }
.related-workflows .button { flex: 0 0 auto; }

.final-cta { text-align: center; }
.final-cta img { width: min(100%, 15rem); max-height: 10rem; object-fit: contain; }
.final-cta h2 { max-width: 13ch; margin: 1rem auto; font-size: clamp(2.4rem, 4.8vw, 4.5rem); line-height: 1; }
.final-cta p { max-width: 39rem; margin: 0 auto; color: var(--ja-ink-muted); line-height: 1.7; }
.final-cta .hero-actions { justify-content: center; }

.site-footer { border-top: 1px solid var(--ja-border); padding-block: 2rem 3rem; }
.footer-row { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; color: var(--ja-ink-muted); font-size: .78rem; }
.footer-row p { max-width: 45rem; margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }

.evidence-hero { display: grid; grid-template-columns: minmax(0, .96fr) minmax(26rem, .78fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.evidence-hero h1 { max-width: 12ch; margin: 1rem 0 1.25rem; font-size: clamp(3rem, 5.7vw, 5.5rem); line-height: .95; letter-spacing: -.06em; }
.evidence-hero .lede { max-width: 43rem; margin: 0; color: var(--ja-ink-muted); font-size: clamp(1rem, 1.4vw, 1.12rem); line-height: 1.72; }
.evidence-truth { max-width: 42rem; margin: 1.1rem 0 0; padding-left: 1rem; border-left: 3px solid var(--ja-green-500); color: var(--ja-ink); font-weight: 700; line-height: 1.6; }
.evidence-note { margin: .85rem 0 0; color: var(--ja-ink-soft); font: 650 .7rem/1.4 var(--mono); letter-spacing: .02em; }

.test-receipt { position: relative; min-width: 0; overflow: hidden; padding: clamp(1.4rem, 3vw, 2.2rem); border: 1px solid rgba(200, 232, 211, .3); border-radius: 1.45rem; background: linear-gradient(145deg, var(--home-strong), var(--home-strong-2)); box-shadow: 0 26px 70px rgba(11, 35, 25, .2); color: #f4faf6; }
.test-receipt::before { content: ""; position: absolute; width: 18rem; height: 18rem; top: -10rem; right: -7rem; border-radius: 50%; background: rgba(109, 187, 141, .14); }
.receipt-head { position: relative; z-index: 1; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.receipt-head .eyebrow { color: #9fd5b3; }
.receipt-head strong { display: block; margin-top: .45rem; color: #fff; font: 600 clamp(1.4rem, 2.5vw, 2rem)/1.1 var(--serif); }
.receipt-badge { display: inline-flex; min-height: 34px; align-items: center; padding: .35rem .65rem; border: 1px solid rgba(200, 232, 211, .3); border-radius: 999px; background: rgba(255, 255, 255, .08); color: #d8eadf; font: 700 .65rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.test-receipt dl { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; margin: 1.6rem 0 0; }
.test-receipt dl > div { min-width: 0; padding: .9rem; border: 1px solid rgba(200, 232, 211, .2); border-radius: .75rem; background: rgba(255, 255, 255, .055); }
.test-receipt dt { color: #9fd5b3; font: 700 .65rem/1.25 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.test-receipt dd { margin: .65rem 0 0; }
.test-receipt dd strong, .test-receipt dd span { display: block; }
.test-receipt dd strong { color: #fff; font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.1; }
.test-receipt dd span { margin-top: .3rem; color: #c8e8d3; font-size: .72rem; line-height: 1.4; }
.receipt-foot { position: relative; z-index: 1; min-height: 9rem; display: grid; grid-template-columns: minmax(9rem, .65fr) minmax(0, 1fr); align-items: end; gap: 1rem; margin-top: 1rem; }
.receipt-foot img { width: min(100%, 12rem); height: auto; max-height: 9rem; object-fit: contain; }
.receipt-foot p { margin: 0; color: #c8e8d3; font-size: .79rem; line-height: 1.6; }

.evidence-section { padding-block: clamp(3.5rem, 7vw, 6.5rem); border-top: 1px solid var(--ja-border); }
.evidence-section-head { max-width: 49rem; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.evidence-section-head.compact { margin-bottom: 1.5rem; }
.evidence-section-head h2 { margin: .8rem 0 1rem; font-size: clamp(2.3rem, 4.4vw, 4rem); line-height: 1; letter-spacing: -.05em; }
.evidence-section-head p:last-child { max-width: 45rem; margin: 0; color: var(--ja-ink-muted); line-height: 1.7; }
.proof-story { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; margin: 0; padding: 0; list-style: none; }
.proof-step { position: relative; min-width: 0; min-height: 18rem; display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: 1rem; align-content: start; padding: 1.4rem; border: 1px solid var(--ja-border); border-radius: 1rem; background: var(--ja-surface); box-shadow: var(--ja-shadow-sm); }
.proof-number { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: .7rem; background: var(--ja-green-100); color: var(--ja-green-800); font: 750 .75rem/1 var(--mono); }
.proof-kicker { margin: .15rem 0 0; color: var(--ja-green-700); font: 750 .67rem/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.proof-step h3 { margin: 1.6rem 0 .75rem; font-size: clamp(1.4rem, 2vw, 1.75rem); line-height: 1.05; }
.proof-step p:last-child { margin: 0; color: var(--ja-ink-muted); font-size: .9rem; line-height: 1.68; }

.proof-boundary { display: grid; grid-template-columns: minmax(16rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; padding: clamp(1.7rem, 4vw, 3.2rem); border-radius: 1.35rem; background: linear-gradient(145deg, var(--home-strong), var(--home-strong-2)); box-shadow: 0 24px 68px rgba(11, 35, 25, .18); color: #f4faf6; }
.boundary-copy .eyebrow { color: #9fd5b3; }
.boundary-copy h2 { margin: .75rem 0 1rem; color: #fff; font-size: clamp(2.2rem, 4vw, 3.7rem); line-height: 1; }
.boundary-copy > p:last-child { margin: 0; color: #c8e8d3; line-height: 1.7; }
.boundary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.boundary-panel { min-width: 0; padding: 1.15rem; border: 1px solid rgba(200, 232, 211, .22); border-radius: .85rem; background: rgba(255, 255, 255, .055); }
.boundary-panel.boundary-proven { border-color: rgba(159, 213, 179, .55); background: rgba(109, 187, 141, .11); }
.boundary-label { margin: 0; color: #fff; font-weight: 800; }
.boundary-panel ul { margin: 1rem 0 0; padding-left: 1.15rem; color: #d8eadf; font-size: .85rem; line-height: 1.65; }
.boundary-panel li + li { margin-top: .65rem; }

.evidence-technical { padding-bottom: clamp(4rem, 8vw, 7rem); }
.evidence-library { overflow: hidden; border: 1px solid var(--ja-border); border-radius: 1rem; background: var(--ja-surface); box-shadow: var(--ja-shadow-sm); }
.evidence-library > summary { min-height: 72px; display: flex; align-items: center; padding: 1rem 1.25rem; color: var(--ja-ink); }
.evidence-library > summary::marker { color: var(--ja-green-700); }
.evidence-library > summary span, .evidence-library > summary strong, .evidence-library > summary small { display: block; }
.evidence-library > summary strong { font-size: 1rem; }
.evidence-library > summary small { margin-top: .3rem; color: var(--ja-ink-muted); font-size: .78rem; line-height: 1.45; }
.evidence-library[open] > summary { border-bottom: 1px solid var(--ja-border); background: var(--ja-surface-subtle); }
.evidence-library:not([open]) > .document-list { display: none; }
.document-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.document-list a { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--ja-border); color: var(--ja-ink); text-decoration: none; }
.document-list a:nth-child(odd) { border-right: 1px solid var(--ja-border); }
.document-list a:nth-last-child(-n+2) { border-bottom: 0; }
.document-list a:hover { background: var(--ja-green-100); color: var(--ja-ink); }
.document-list a span, .document-list a strong, .document-list a small { display: block; }
.document-list a small { margin-top: .3rem; color: var(--ja-ink-muted); font-size: .76rem; line-height: 1.45; }
.document-list a b { flex: 0 0 auto; color: var(--ja-green-700); font-size: .78rem; }
.evidence-footer-link { min-height: 44px; display: inline-flex; align-items: center; font-weight: 750; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero h1 { max-width: 11ch; }
  .hero-visual { width: min(100%, 46rem); }
  .demo-shell { grid-template-columns: 1fr; }
  .demo-intro { position: static; }
  .boundary { grid-template-columns: 1fr; }
  .boundary img { display: none; }
  .evidence-hero { grid-template-columns: 1fr; }
  .test-receipt { width: min(100%, 46rem); }
  .proof-boundary { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { width: min(100%, calc(100% - 1.5rem)); }
  .site-bar { flex-wrap: wrap; padding-block: .65rem; }
  .brand { max-width: calc(100% - 3.5rem); }
  .brand strong { font-size: .86rem; }
  .site-nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  .site-nav a { flex: 0 0 auto; }
  .theme-button { margin-left: auto; }
  .hero { padding-block: 3.6rem 4.2rem; gap: 3rem; }
  .hero h1 { max-width: none; font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero-visual { min-height: 30rem; border-radius: 1.35rem; }
  .float-card { min-width: 9.5rem; padding: .75rem .8rem; }
  .truth-strip, .outcome-grid { grid-template-columns: 1fr; }
  .truth-strip article { min-height: 0; border-right: 0; border-bottom: 1px solid var(--ja-border); }
  .truth-strip article:last-child { border-bottom: 0; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .sheet-grid, .lane-grid { grid-template-columns: 1fr; }
  .demo-panel-head { align-items: flex-start; flex-direction: column; }
  .evidence-hero { padding-block: 3.25rem 4rem; }
  .evidence-hero h1 { max-width: none; font-size: clamp(2.8rem, 13vw, 4.3rem); }
  .test-receipt dl, .proof-story, .boundary-grid, .document-list { grid-template-columns: 1fr; }
  .test-receipt dl > div { display: grid; grid-template-columns: minmax(7rem, .65fr) minmax(0, 1fr); align-items: center; gap: 1rem; }
  .test-receipt dd { margin: 0; }
  .receipt-foot { min-height: 7rem; grid-template-columns: minmax(7rem, .45fr) minmax(0, 1fr); }
  .receipt-foot img { max-height: 7rem; }
  .proof-step { min-height: 0; }
  .document-list a, .document-list a:nth-child(odd), .document-list a:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--ja-border); }
  .document-list a:last-child { border-bottom: 0; }
  .related-workflows { grid-template-columns: 1fr; }
  .related-workflows .button { justify-self: start; }
}

@media (max-width: 430px) {
  .hero-visual { min-height: 27rem; padding: .8rem; }
  .visual-window { min-height: 24rem; }
  .visual-caption strong { font-size: 1.25rem; }
  .float-top { top: 3%; right: 1%; }
  .float-bottom { right: 1%; bottom: 2%; }
  .related-workflows { width: min(100%, calc(100% - 1rem)); }
  .related-workflows .button { width: 100%; }
}

@media (max-height: 430px) and (orientation: landscape) {
  .site-header { position: relative; }
  .hero { min-height: auto; padding-block: 2rem; }
  .hero-visual { min-height: 22rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .button:hover { transform: none; }
}