:root {
    --ink: #172033;
    --muted: #586579;
    --paper: #f4f1ea;
    --surface: #fffdf8;
    --line: #d4cdbf;
    --blue: #084c8d;
    --blue-soft: #e5f1fb;
    --amber: #b65700;
    --amber-soft: #fff0d2;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
body { margin: 0; overflow-x: hidden; background: #fff; color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
a { color: var(--blue); }
.shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.project-header { padding: 1.5rem 0 2rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.back-link { display: inline-block; margin-bottom: 1.5rem; color: var(--blue); font-weight: 750; text-decoration: none; }
.eyebrow { margin: 0 0 .55rem; color: var(--amber); font-family: var(--mono); font-size: .76rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.project-header .eyebrow { color: var(--amber); }
.title-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; }
.title-row > *, .overview > *, .method > * { min-width: 0; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: .5rem; font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -.04em; line-height: 1; }
h2 { margin-bottom: 1rem; font-size: clamp(1.75rem, 4vw, 2.7rem); letter-spacing: -.035em; line-height: 1.08; }
h3 { line-height: 1.15; }
.lede { max-width: 800px; margin: 0; color: var(--muted); font-size: 1.08rem; }
.project-badges { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: flex-end; }
.project-badges span { max-width: 100%; padding: .4rem .65rem; border: 1px solid #b9cce0; border-radius: .35rem; background: var(--blue-soft); font-size: .84rem; font-weight: 750; overflow-wrap: anywhere; }
.source-boundary { max-width: 900px; margin: 1.5rem 0 0; padding: .8rem 1rem; border-left: 4px solid var(--blue); background: #f2f5f8; color: var(--muted); overflow-wrap: anywhere; }
.overview, .method { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 2rem; padding: 2.75rem 0; border-bottom: 1px solid var(--line); }
.overview > div > p:not(.eyebrow), .method-copy > p { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.source-timeline { padding: .8rem 1rem; border-left: 4px solid var(--amber); background: var(--amber-soft); }
.overview-action { display: inline-block; margin-top: .35rem; padding: .75rem 1rem; border-radius: .5rem; background: var(--blue); color: white; font-weight: 850; text-decoration: none; }
.run-facts, .validation-card { margin: 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface); }
.run-facts div + div, .validation-card dl div + div { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
dt { color: var(--muted); font-size: .72rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
dd { margin: .2rem 0 0; font-weight: 800; overflow-wrap: anywhere; }
.method-copy ol { max-width: 760px; padding-left: 1.3rem; }
.method-copy li + li { margin-top: .8rem; }
.validation-card { border-top: 6px solid var(--blue); }
.validation-card h3 { margin-bottom: 1.25rem; }
.validation-card dl { margin: 0 0 1.25rem; }
.validation-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.parcel-section { padding: 3rem 0; }
.section-heading { display: flex; gap: 2rem; align-items: end; justify-content: space-between; margin-bottom: 2rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 340px; margin-bottom: .3rem; color: var(--muted); text-align: right; }
.parcel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.parcel-card { overflow: hidden; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface); }
.visual-link { display: block; aspect-ratio: 920 / 770; overflow: hidden; border-bottom: 1px solid var(--line); background: #e8e5de; }
.visual-link img { width: 100%; height: 100%; display: block; object-fit: contain; object-position: center; transition: transform .2s ease; }
.visual-link:hover img { transform: scale(1.015); }
.parcel-body { padding: 1.35rem; }
.rank { margin-bottom: .35rem; color: var(--amber); font-family: var(--mono); font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.parcel-body h3 { margin-bottom: .35rem; font-size: 1.35rem; }
.owner { min-height: 2.9rem; margin-bottom: 1rem; color: var(--muted); }
.parcel-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1rem; }
.parcel-metrics div { padding: .85rem; border-radius: .7rem; background: var(--blue-soft); }
.parcel-metrics div:nth-child(2) { background: var(--amber-soft); }
.parcel-metrics strong, .parcel-metrics span { display: block; }
.parcel-metrics strong { color: var(--blue); font-size: 1.4rem; line-height: 1.1; }
.parcel-metrics div:nth-child(2) strong { color: var(--amber); }
.parcel-metrics span { margin-top: .25rem; color: var(--muted); font-size: .75rem; }
.source-native-header { background: var(--surface); }
.source-native-header h1 { max-width: 900px; font-size: clamp(2.2rem, 5vw, 3.5rem); overflow-wrap: anywhere; }
.source-native-grid { grid-template-columns: 1fr; }
.source-native-card { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); }
.source-native-visual { height: 100%; min-height: 390px; aspect-ratio: auto; border-right: 1px solid var(--line); border-bottom: 0; }
.evidence-pair { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1rem; }
.evidence-pair div { padding: .85rem; border-radius: .7rem; background: var(--blue-soft); }
.evidence-pair div:nth-child(2) { background: #eceff3; }
.evidence-pair span, .evidence-pair strong { display: block; }
.evidence-pair span { margin-bottom: .3rem; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.evidence-pair strong { overflow-wrap: anywhere; }
.status-note { padding: .8rem 1rem; border-left: 4px solid var(--amber); background: var(--amber-soft); color: #573116; }
.map-links, .next-links { display: flex; flex-wrap: wrap; gap: .55rem 1rem; }
.map-links a { font-family: var(--mono); font-size: .8rem; font-weight: 800; }
details { border-top: 1px solid var(--line); }
summary { cursor: pointer; padding: 1rem 0; color: var(--blue); font-weight: 800; }
summary:focus-visible, a:focus-visible { outline: 3px solid #ffad21; outline-offset: 3px; }
.evidence-list { margin: 0 0 1rem; padding: 1rem; background: #f4f6f8; }
.evidence-list div + div { margin-top: .7rem; }
.evidence-list dd { font-family: var(--mono); font-size: .82rem; }
.detail-link { display: inline-block; margin-top: .5rem; font-weight: 850; }
.technical-details { margin: 0 0 4.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); }
.technical-details > summary { padding: 1.25rem 1.5rem; font-size: 1.05rem; }
.technical-details .method { margin: 0 1.5rem; padding: 1rem 0 2rem; border-bottom: 0; }
.technical-details .technical-control { border-top: 1px solid var(--line); }
.technical-details figure { margin: 1.25rem 0 0; }
.technical-details figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: .75rem; background: white; }
.next-step { margin-bottom: 3rem; padding: 1.5rem; border: 1px solid #b9cce0; border-radius: .5rem; background: var(--blue-soft); }
.next-step p { max-width: 880px; }
.next-step a { font-weight: 850; }
.guided-step { margin-top: 2rem; padding: 1.5rem; border: 2px solid var(--blue); border-radius: .75rem; background: var(--blue-soft); }
.guided-step h2 { margin-bottom: .6rem; }
.guided-step p:not(.eyebrow) { max-width: 850px; }
footer { padding: 2rem 0; border-top: 1px solid var(--line); background: #e7e1d5; }
footer .shell { display: flex; gap: 1.5rem; justify-content: space-between; }

@media (max-width: 780px) {
    .title-row, .overview, .method, .parcel-grid, .source-native-card { grid-template-columns: 1fr; }
    .source-native-visual { min-height: 300px; border-right: 0; border-bottom: 1px solid var(--line); }
    .project-badges { justify-content: flex-start; }
    .back-link { margin-bottom: 2rem; }
    .section-heading { display: block; }
    .section-heading > p { text-align: left; }
}

@media (max-width: 430px) {
    .shell { width: min(100% - 1rem, 1180px); }
    .project-header { padding-top: 1rem; }
    .source-native-header .title-row,
    .source-native-header .project-badges,
    .source-native-header .source-boundary { width: 100%; }
    .source-native-header .lede,
    .source-native-header .source-boundary,
    .source-native-header .project-badges span,
    .source-native-header h1 { max-width: calc(100vw - 2rem); overflow: hidden; overflow-wrap: anywhere; }
    .source-native-header .project-badges span { min-width: 0; white-space: normal; }
    .source-native-header .lede { font-size: 1rem; }
    .overview, .method, .parcel-section { padding: 3rem 0; }
    .parcel-body { padding: 1rem; }
    .project-badges span { border-radius: .7rem; }
    .evidence-pair { grid-template-columns: 1fr; }
    footer .shell { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    .visual-link img { transition: none; }
}