/* Reading-first editorial system for DOCUMENTED NORTH.
   Kept as the final stylesheet so older dossier-specific rules remain compatible. */
:root {
  --paper: #f5f2eb;
  --paper-raised: #fffdf8;
  --ink: #202421;
  --muted: #666c66;
  --line: #d8d3c9;
  --accent: #8b4b35;
  --accent-soft: #eaded5;
  --forest: #34443e;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
  --shell: 1340px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
body::selection { background: var(--accent-soft); color: var(--ink); }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-shell { width: min(100%, var(--shell)); margin-inline: auto; padding-inline: clamp(20px, 4.4vw, 64px); }

/* One quiet navigation system; on small screens it becomes a single scrollable row. */
.site-top { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.site-top .brand { flex: 0 0 auto; color: var(--ink); font-size: .94rem; font-weight: 800; letter-spacing: .025em; text-decoration: none; white-space: nowrap; }
.site-top nav { display: flex; flex-wrap: nowrap; align-items: center; gap: clamp(12px, 2.15vw, 30px); overflow-x: auto; scrollbar-width: none; font-size: .68rem; letter-spacing: .105em; text-transform: uppercase; }
.site-top nav::-webkit-scrollbar { display: none; }
.site-top nav a { flex: 0 0 auto; padding: 12px 0; color: #4b514c; text-decoration: none; border-bottom: 1px solid transparent; }
.site-top nav a:hover, .site-top nav a[aria-current="page"] { color: var(--accent); border-color: currentColor; }
.eyebrow, .kicker { margin: 0 0 14px !important; color: var(--muted); font-size: .64rem !important; line-height: 1.4; letter-spacing: .14em; text-transform: uppercase; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.lede { max-width: 65ch; font-size: clamp(1.02rem, 1.4vw, 1.16rem); line-height: 1.72; }
.small { color: var(--muted); font-size: .84rem; }
.section { padding: clamp(36px, 5.4vw, 72px) 0; border-bottom: 1px solid var(--line); }
.section h2 { max-width: 24ch; margin: 8px 0 20px; font: 500 clamp(2rem, 4vw, 3.5rem)/1.06 var(--serif); letter-spacing: -.035em; }
.section h3 { letter-spacing: -.015em; }
.section > p:not(.kicker), .thread-intro > p:not(.eyebrow), .archive-hero > p:not(.eyebrow) { max-width: 72ch; }
footer { padding: 30px 0 42px; color: var(--muted); font-size: .72rem; line-height: 1.8; letter-spacing: .025em; }
.button-link { display: inline-flex; align-items: center; gap: 20px; padding: 13px 17px; background: var(--forest); color: #fffdf8; font-size: .84rem; font-weight: 700; text-decoration: none; }
.button-link:hover { background: var(--accent); color: #fff; }
.text-link { color: var(--ink); font-size: .84rem; font-weight: 700; }

/* Home: one confident entry, one properly captioned image, then a deliberate reading path. */
.home-hero { min-height: 0; display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 72px); align-items: center; width: auto; margin: 0; padding: clamp(42px, 6vw, 76px) 0 clamp(48px, 6.6vw, 84px); overflow: visible; color: var(--ink); }
.home-hero::before, .home-hero::after { content: none; }
.home-intro { max-width: 620px; }
.home-hero h1, .thread-intro h1, .archive-hero h1, .research-hero h1, .case-hero h1 { margin: 10px 0 20px; color: var(--ink); font: 500 clamp(2.65rem, 5.35vw, 5.5rem)/.99 var(--serif); letter-spacing: -.045em; text-wrap: balance; }
.home-hero h1 { max-width: 12ch; }
.home-hero h1 em, .archive-hero h1 em, .research-hero h1 em { color: var(--accent); font-weight: 400; }
.home-hero .lede { max-width: 55ch; margin: 0; color: #444a45; }
.home-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 15px 22px; margin-top: 25px; }
.home-hero-image { position: relative; min-width: 0; margin: 0; background: #d5d0c5; }
.home-hero-image img { width: 100%; height: clamp(300px, 39vw, 520px); object-fit: cover; object-position: center 44%; }
.home-hero-image figcaption { display: grid; gap: 4px; padding: 12px 14px 14px; background: var(--paper-raised); color: #3b443e; font-size: .68rem; line-height: 1.45; }
.home-hero-image figcaption span:first-child { color: #783c28; font-size: .59rem; letter-spacing: .1em; }
.home-feature { padding-top: clamp(32px, 4vw, 50px); }
.feature-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 16px; }
.feature-heading .kicker { margin-bottom: 0 !important; }
.feature-note { max-width: 50ch; color: var(--muted); font-size: .8rem; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); gap: clamp(22px, 4vw, 60px); padding: 0; border: 0; background: transparent; }
.feature-main, .feature-side { padding: 0; background: transparent; }
.feature-main h2 { margin: 0 0 14px; font: 500 clamp(2rem, 3.2vw, 3rem)/1.04 var(--serif); letter-spacing: -.035em; }
.feature-main h3 { max-width: 22ch; margin: 0 0 14px; font: 500 clamp(1.9rem, 3vw, 2.7rem)/1.08 var(--serif); }
.feature-main p, .feature-side p { max-width: 65ch; margin: 0 0 16px; color: #444a45; font-size: .97rem; line-height: 1.7; }
.feature-main > a, .feature-side > p a { font-size: .82rem; font-weight: 700; }
.feature-side { align-self: stretch; padding: 17px 0 0 22px; border-left: 2px solid var(--accent); }
.feature-side .eyebrow { margin-bottom: 10px !important; }
.home-explore { border-bottom: 0; }
.home-explore-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 18px; border-top: 1px solid var(--line); }
.home-explore-links a { min-height: 0; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr; gap: 6px 12px; padding: 18px 4px 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.home-explore-links a:hover { color: var(--accent); }
.home-explore-links span { grid-column: 1/-1; color: var(--accent); font-size: .62rem; letter-spacing: .12em; }
.home-explore-links b { font: 500 1.25rem/1.2 var(--serif); }
.home-explore-links small { max-width: 34ch; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.home-explore-links i { grid-column: 2; grid-row: 2/4; align-self: center; color: var(--accent); font-size: 1.2rem; font-style: normal; }

/* A repeated editorial row for the latest four source-checked files, not four generic cards. */
.v54-next-cases { padding-block: clamp(34px, 5vw, 64px); }
.recent-heading { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 20px; }
.recent-heading h2 { margin: 5px 0 10px; font: 500 clamp(2rem, 3.4vw, 3rem)/1.05 var(--serif); }
.recent-heading .lede { max-width: 58ch; margin: 0; color: #4c524d; font-size: .91rem; }
.recent-heading > a { flex: 0 0 auto; color: var(--accent); font-size: .79rem; font-weight: 700; }
.case-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--line); }
.case-card.research-card { min-height: 0; display: grid; grid-template-columns: minmax(130px, .7fr) minmax(0, 1.3fr); gap: 17px; align-items: center; padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); text-decoration: none; transition: color .18s; }
.case-card.research-card::before { content: none; }
.research-thumb { position: relative; display: block; overflow: hidden; background: #dedbd2; aspect-ratio: 4/3; }
.research-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.research-thumb img[src$=".svg"] { object-fit: contain; padding: 6px; background: #e4e1d8; }
.research-thumb > span { position: absolute; left: 7px; bottom: 7px; padding: 4px 6px; background: rgba(32,36,33,.9); color: white; font-size: .52rem; line-height: 1.2; letter-spacing: .07em; text-transform: uppercase; }
.case-card.research-card:hover { color: var(--accent); }
.case-card.research-card:hover .research-thumb img { transform: scale(1.025); }
.research-card-copy { display: grid; gap: 7px; align-content: center; }
.research-card-copy small { color: var(--muted); font-size: .56rem; line-height: 1.45; letter-spacing: .09em; }
.research-card-copy strong { font: 500 clamp(1.2rem, 1.6vw, 1.6rem)/1.13 var(--serif); }
.research-card-summary { color: #4f5550; font-size: .78rem; line-height: 1.5; }
.next-case-status { color: var(--accent); font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }

/* Archive: images and summaries form a scannable catalogue, while infrequent filters stay tucked away. */
.archive-hero { padding: clamp(42px, 5.4vw, 70px) 0 27px; border-bottom: 1px solid var(--line); }
.archive-hero h1 { max-width: 14ch; font-size: clamp(2.55rem, 5.2vw, 5.1rem); }
.archive-hero > p:not(.eyebrow) { max-width: 67ch; margin: 0; color: #4b514c; line-height: 1.68; }
.archive-controls { display: grid; grid-template-columns: minmax(240px, 1.6fr) minmax(155px, .8fr) minmax(190px, 1fr) auto; gap: 12px; align-items: end; padding: 18px 0 12px; }
.archive-field { min-width: 0; display: grid; gap: 6px; color: #555b56; font-size: .59rem; letter-spacing: .1em; text-transform: uppercase; }
.archive-tools { display: contents; }
.archive-controls input, .archive-controls select { width: 100%; min-width: 0; height: 45px; padding: 9px 11px; border: 1px solid #bdb8ae; border-radius: 0; background: var(--paper-raised); color: var(--ink); font: 400 .88rem var(--sans); letter-spacing: normal; text-transform: none; }
.archive-controls input::placeholder { color: #777d77; opacity: 1; }
.archive-advanced { position: relative; min-width: 132px; align-self: end; }
.archive-advanced > summary { min-height: 45px; display: flex; align-items: center; padding: 0 10px; border-bottom: 1px solid var(--line); color: var(--accent); cursor: pointer; font-size: .72rem; font-weight: 700; list-style: none; }
.archive-advanced > summary::-webkit-details-marker { display: none; }
.archive-advanced > summary::after { content: "+"; margin-left: auto; font-size: 1rem; }
.archive-advanced[open] > summary::after { content: "−"; }
.archive-advanced .archive-field { position: absolute; z-index: 5; top: calc(100% + 4px); right: 0; width: min(280px, 75vw); padding: 13px; border: 1px solid var(--line); background: var(--paper-raised); box-shadow: 0 8px 24px #20242118; }
#archive-count { margin: 6px 0 0; padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.archive-list { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); background: transparent; }
.archive-item { min-width: 0; min-height: 0; display: grid; grid-template-columns: 178px minmax(0, 1fr); gap: clamp(15px, 2.4vw, 30px); padding: 16px 0; border-bottom: 1px solid var(--line); background: transparent; transition: background .18s; }
.archive-item:hover { background: #fffdf870; }
.archive-thumb { position: relative; display: block; height: 124px; overflow: hidden; background: #dfdcd4; }
.archive-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .22s; }
.archive-thumb img[src$=".svg"] { object-fit: contain; padding: 7px; background: #e4e1d8; }
.archive-item:hover .archive-thumb img { transform: scale(1.025); }
.archive-thumb > span { position: absolute; left: 6px; bottom: 6px; max-width: calc(100% - 12px); padding: 4px 6px; background: rgba(32,36,33,.9); color: #fff; font-size: .51rem; line-height: 1.15; letter-spacing: .06em; text-transform: uppercase; }
.archive-copy { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; grid-template-rows: auto auto 1fr auto; align-content: center; gap: 4px 18px; padding: 0; }
.archive-copy > small { grid-column: 1/-1; color: var(--muted); font-size: .57rem; line-height: 1.4; letter-spacing: .08em; }
.archive-copy h2 { grid-column: 1/-1; margin: 0; font: 500 clamp(1.18rem, 1.8vw, 1.6rem)/1.13 var(--serif); letter-spacing: -.015em; }
.archive-copy p { grid-column: 1; align-self: start; margin: 2px 0 0; color: #4d534e; font-size: .78rem; line-height: 1.48; }
.archive-copy .badges { grid-column: 2; grid-row: 3/5; display: flex; flex-wrap: wrap; align-content: start; justify-content: end; gap: 5px; margin: 2px 0 0; }
.archive-copy .badges span { padding: 4px 6px; border: 1px solid #cbc6bc; color: #626862; font-size: .49rem; line-height: 1.2; letter-spacing: .045em; }
.archive-copy > a { grid-column: 1; grid-row: 4; align-self: end; justify-self: start; margin: 2px 0 0; color: var(--accent); font-size: .72rem; font-weight: 700; white-space: nowrap; }
.archive-help { max-width: 72ch; margin: 10px 0 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.archive-item[hidden] { display: none !important; }

/* Research update: clear sections, calm card treatment, a useful contents rail. */
.research-hero { min-height: 0; display: grid; grid-template-columns: minmax(0,1.3fr) minmax(240px,.55fr); gap: clamp(24px,5vw,68px); align-items: end; padding: clamp(44px, 6vw, 76px) 0 37px; border-bottom: 1px solid var(--line); }
.research-hero h1 { max-width: 15ch; margin: 9px 0 18px; font-size: clamp(2.45rem, 5vw, 4.9rem); line-height: 1.02; letter-spacing: -.04em; }
.research-hero .lede { max-width: 68ch; margin: 0; color: #454b46; font-size: .98rem; line-height: 1.68; }
.research-score { padding: 15px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.research-score span { color: var(--muted); font-size: .59rem; letter-spacing: .12em; }
.research-score b { display: block; margin: 6px 0; font: 500 2.2rem/1.08 var(--serif); letter-spacing: -.03em; }
.research-score p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.research-nav { position: relative; display: flex; flex-wrap: wrap; gap: 7px 19px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.research-nav span { color: var(--muted); font-size: .59rem; letter-spacing: .1em; text-transform: uppercase; }
.research-nav a { color: var(--accent); font-size: .72rem; font-weight: 700; text-decoration: none; }
.research-nav a:hover { text-decoration: underline; }
.research-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-bottom: 1px solid var(--line); }
.research-strip > div { padding: 14px 17px; border-right: 1px solid var(--line); }
.research-strip > div:first-child { padding-left: 0; }
.research-strip > div:last-child { border-right: 0; }
.research-strip b { display: block; margin-bottom: 4px; font-size: .59rem; letter-spacing: .08em; }
.research-strip span { color: var(--muted); font-size: .71rem; line-height: 1.4; }
.research-model { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0 22px; border: 0; background: transparent; }
.research-model article { min-height: 0; padding: 17px 0; border-top: 1px solid var(--line); background: transparent; }
.research-model article > b { color: var(--accent); font-size: .58rem; letter-spacing: .09em; }
.research-model h3 { margin: 16px 0 8px; font: 500 1.35rem/1.15 var(--serif); }
.research-model p { margin: 0; color: #515751; font-size: .82rem; line-height: 1.58; }
.finding-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 24px; }
.finding-card { min-height: 0; display: flex; flex-direction: column; padding: 19px 0; border: 0; border-top: 1px solid var(--line); background: transparent; }
.finding-card.documented, .finding-card.context, .finding-card.conflict { border-top-width: 1px; border-top-color: var(--line); }
.finding-status { color: var(--accent); font-size: .56rem; letter-spacing: .09em; }
.finding-card h3 { margin: 14px 0 9px; font: 500 1.33rem/1.16 var(--serif); }
.finding-card p { margin: 0; color: #4d534e; font-size: .82rem; line-height: 1.6; }
.finding-card a { align-self: start; margin-top: 12px; color: var(--accent); font-size: .73rem; font-weight: 700; }
.research-timeline { max-width: 100%; margin: 0; border-top-color: var(--line); }
.research-timeline li { grid-template-columns: minmax(100px, .3fr) 1fr; gap: 20px; padding: 13px 0; }
.research-timeline li span { color: var(--accent); font-size: .72rem; }
.research-timeline li p { color: #424843; font-size: .84rem; line-height: 1.55; }
.research-gallery { grid-template-columns: repeat(12,minmax(0,1fr)); gap: 10px; }
.research-gallery figure { grid-column: span 6; background: #e3dfd6; color: var(--ink); }
.research-gallery img { height: 270px; filter: none; object-fit: cover; }
.research-gallery figcaption { padding: 13px 15px; }
.research-gallery figcaption b { font: 500 1.15rem/1.15 var(--serif); }
.research-gallery figcaption span { color: var(--accent); font-size: .53rem; }
.research-gallery figcaption p { color: #4d534e; }
.research-gallery figcaption a { color: var(--accent); }
.open-leads { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 22px; }
.open-leads article { min-height: 0; padding: 17px 0; border: 0; border-top: 1px solid var(--line); }
.open-leads span { color: var(--accent); font-size: .55rem; }
.open-leads h3 { margin: 11px 0 7px; font: 500 1.25rem/1.15 var(--serif); }
.open-leads p { margin: 0; color: #4d534e; font-size: .8rem; line-height: 1.52; }
.node-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0 8px; }
.node-grid span { padding: 10px 8px; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; font-size: .73rem; }
.research-callout { margin-top: 22px; padding: 18px 0; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.research-callout h3 { font: 500 1.45rem/1.15 var(--serif); }
.research-callout a { color: var(--accent); }

/* Dossiers: clear visual lead, then one predictable reading sequence. */
.case-page { background: var(--paper); }
.case-page::before, .case-page::after { content: none !important; display: none !important; }
.case-hero { min-height: 0; padding: clamp(42px, 5.3vw, 68px) 0 34px; border-bottom: 1px solid var(--line); }
.case-hero.with-image { overflow: visible; margin: 0; padding-inline: 0; color: var(--ink); }
.case-hero.with-image::before, .case-hero.with-image::after { content: none; }
.case-hero h1 { max-width: 16ch; margin: 9px 0 14px; font-size: clamp(2.35rem, 5vw, 4.8rem); line-height: 1.02; letter-spacing: -.04em; }
.case-hero .eyebrow, .case-hero.with-image .eyebrow, .case-hero.with-image .hero-aside .label { color: var(--muted); }
.case-hero .strap { max-width: 62ch; margin: 0; color: #4b514c; font-size: 1.05rem; line-height: 1.58; }
.hero-aside { padding: 17px 0; border-top-color: var(--line); border-bottom-color: var(--line); }
.hero-aside .label { color: var(--accent); }
.hero-aside strong { font: 500 clamp(1.5rem,2.4vw,2.45rem)/1.1 var(--serif); }
.hero-aside div { border-color: var(--line); }
.hero-credit { color: var(--muted); font-size: .58rem; }
.research-dossier-page { --case-accent: var(--accent); background: var(--paper); color: var(--ink); }
.research-dossier-page .case-hero.research-hero { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(280px,.88fr); gap: clamp(24px,4.5vw,60px); align-items: center; min-height: 0; padding: clamp(38px,5vw,64px) 0 28px; }
.research-dossier-page .research-hero-copy { min-width: 0; }
.research-dossier-page .research-hero h1 { max-width: 13ch; margin: 8px 0 14px; font: 500 clamp(2.35rem,4.7vw,4.65rem)/1.02 var(--serif); letter-spacing: -.04em; overflow-wrap: normal; }
.research-dossier-page .research-hero .strap { max-width: 58ch; margin: 0; color: #454b46; font-size: 1rem; line-height: 1.6; }
.research-dossier-page .research-finding { max-width: 700px; margin-top: 20px; padding: 15px 17px; border: 0; border-left: 3px solid var(--case-accent); background: var(--accent-soft); color: var(--ink); font-size: .82rem; line-height: 1.55; }
.research-dossier-page .research-finding b { margin-bottom: 6px; color: var(--accent); font: 600 .56rem var(--sans); letter-spacing: .1em; }
.research-dossier-page .research-finding span { font-size: .94rem; line-height: 1.3; }
.research-dossier-page .research-finding p { margin: 7px 0 0; color: #3f4540; font-size: .81rem; }
.research-hero-figure { align-self: center; min-width: 0; margin: 0; border: 1px solid var(--line); background: #e4e1d8; }
.research-hero-figure img { width: 100%; aspect-ratio: 1.45/1; object-fit: cover; background: #e4e1d8; }
.research-hero-figure img[src$=".svg"] { object-fit: contain; padding: clamp(8px,1.5vw,18px); }
.research-hero-figure figcaption { display: grid; gap: 4px; padding: 11px 13px 12px; color: #515751; font: 400 .66rem/1.45 var(--sans); letter-spacing: normal; }
.research-hero-figure figcaption b { color: var(--accent); font-size: .54rem; letter-spacing: .09em; }
.research-hero-figure figcaption small { color: var(--muted); font-size: .57rem; }
.research-hero-figure a { color: var(--accent); }
.research-dossier-page .research-notice { grid-template-columns: 1fr 1.2fr 1.5fr; gap: 12px 22px; max-width: 1120px; margin: 0; padding: 14px 0; border-top: 0; border-bottom: 1px solid var(--line); color: #4b514c; font-size: .73rem; line-height: 1.5; }
.research-dossier-page .research-notice strong { color: var(--accent); font-size: .55rem; }
.research-toc { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line); }
.research-toc strong { margin-right: 2px; color: var(--muted); font-size: .56rem; letter-spacing: .09em; text-transform: uppercase; }
.research-toc a { color: var(--accent); font-size: .69rem; text-decoration: none; }
.research-toc a:hover { text-decoration: underline; }
.research-dossier-page .research-section { padding-block: clamp(30px,4vw,52px); border-top: 0; }
.research-dossier-page .section h2 { max-width: 22ch; margin: 5px 0 16px; font: 500 clamp(1.8rem,3.4vw,2.8rem)/1.08 var(--serif); letter-spacing: -.03em; }
.research-dossier-page .research-section > p:not(.kicker):not(.research-limit), .research-dossier-page .research-prose { max-width: 70ch; color: #393f3a; font-size: .94rem; line-height: 1.78; }
.research-dossier-page .research-narrative { max-width: 1120px; }
.research-ledger { display: block; margin: 17px 0 0; border: 0; border-top: 1px solid var(--line); background: transparent; }
.research-dossier-page .research-ledger li { grid-template-columns: minmax(150px,.34fr) minmax(0,1fr); gap: 10px 22px; padding: 13px 5px; border-bottom: 1px solid var(--line); background: transparent; }
.research-dossier-page .research-ledger p { max-width: 72ch; margin: 0; color: #3f4540; font-size: .83rem; line-height: 1.62; }
.research-status { font-size: .55rem; letter-spacing: .08em; }
.research-status.documented { color: #385b45; }
.research-status.open { color: #8b5a24; }
.research-status.context { color: #655c76; }
.research-dossier-page .research-visual-grid.expanded { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 16px; border: 0; background: transparent; }
.research-dossier-page .research-visual-card { min-width: 0; border: 1px solid var(--line); background: var(--paper-raised); }
.research-dossier-page .research-visual-grid img { width: 100%; aspect-ratio: 16/9; object-fit: contain; padding: 8px; background: #202421; }
.research-dossier-page .research-visual-card figcaption { display: grid; gap: 5px; padding: 11px 13px; color: #444a45; font: 400 .75rem/1.5 var(--sans); letter-spacing: normal; }
.research-dossier-page .research-visual-card figcaption b { color: var(--accent); font-size: .53rem; letter-spacing: .08em; }
.research-dossier-page .research-visual-card figcaption small { color: var(--muted); font-size: .59rem; }
.research-dossier-page .research-visual-card a { color: var(--accent); }
.research-dossier-page .research-sources { grid-template-columns: 1fr; gap: 0; margin-top: 15px; border: 0; border-top: 1px solid var(--line); background: transparent; }
.research-dossier-page .research-sources li { min-height: 0; padding: 14px 8px 14px 48px; border-bottom: 1px solid var(--line); background: transparent; }
.research-dossier-page .research-sources li::before { left: 9px; top: 15px; color: var(--accent); }
.research-dossier-page .research-source-type { margin-bottom: 4px; font-size: .53rem; }
.research-dossier-page .research-sources a { font-size: .82rem; }
.research-dossier-page .research-sources p { margin: 5px 0 0; font-size: .72rem; line-height: 1.5; }
.research-limit { margin: 14px 0 0; padding: 12px 14px; border-left: 2px solid var(--accent); background: #ede8df; color: #434943; font-size: .8rem; line-height: 1.58; }
.research-dossier-page .research-close { padding-bottom: 35px; }
.research-dossier-page .dn-share[data-placement="top"] { display: none; }
.research-dossier-page footer { border-top: 1px solid var(--line); }

/* Older full dossiers retain their evidence modules, but share the same calm type and spacing. */
.case-grid { grid-template-columns: minmax(0,1fr) 270px; gap: clamp(26px,5vw,64px); }
.facts-list, .questions, .method-grid { gap: 0 20px; border: 0; background: transparent; }
.fact, .question, .method-card { min-height: 0; padding: 17px 0; border-top: 1px solid var(--line); background: transparent; }
.fact b, .method-card b { margin-bottom: 12px; color: var(--accent); }
.fact p, .question p, .method-card p { color: #4d534e; font-size: .84rem; line-height: 1.6; }
.claim-row { grid-template-columns: minmax(200px,.9fr) minmax(130px,.45fr) minmax(260px,1.25fr); gap: 16px; padding: 15px 0; }
.claim-row h3 { font: 500 1.15rem/1.2 var(--serif); }
.claim-row p { color: #4d534e; font-size: .83rem; line-height: 1.58; }
.claim-status { border-color: #c9c2b8; color: var(--accent); font-size: .55rem; }
.timeline { max-width: 100%; border-top-color: var(--line); }
.timeline li { grid-template-columns: minmax(110px,.3fr) 1fr; gap: 18px; padding: 13px 0; }
.timeline .when { color: var(--accent); }
.timeline .what { color: #424843; font-size: .84rem; }
.questions { grid-template-columns: repeat(2,minmax(0,1fr)); }
.question span { color: var(--accent); font-size: .57rem; }
.question p { margin: 13px 0 0; }
.visual-record { gap: 10px; }
.media-card, .media-card.wide, .media-card.tall { grid-column: span 6; background: #242a27; }
.media-card img, .media-card.tall img { height: 300px; filter: none; }
.media-card figcaption { padding: 12px 14px 15px; }
.media-meta { font-size: .52rem; }
.media-card figcaption p { font-size: .76rem; }
.connection-list { gap: 0 20px; }
.connection-card { padding: 14px 0; border: 0; border-top: 1px solid var(--line); background: transparent; }
.connection-card:hover { transform: none; }
.connection-card strong { margin: 14px 0 6px; font: 500 1.22rem/1.2 var(--serif); }
.connection-card p { font-size: .78rem; }
.source-stack { max-width: 100%; border-top-color: var(--line); }
.source-link { grid-template-columns: minmax(100px,.3fr) minmax(0,1fr) minmax(120px,.55fr); gap: 16px; padding: 13px 0; }
.source-link span { font-size: .56rem; }
.source-link strong { font-size: .83rem; }
.source-link small { font-size: .68rem; }
.editorial-state { grid-template-columns: 1fr 1fr; padding: 22px; background: var(--forest); }
.thread-intro { padding: clamp(42px,5vw,68px) 0 22px; }
.thread-intro h1 { max-width: 12ch; }
.thread-intro .lede { max-width: 68ch; color: #484e49; font-size: .96rem; }
.rule-note { max-width: 900px; padding: 14px 17px; border-left: 3px solid var(--accent); background: #ece7de; color: #3e443f; font-size: .79rem; line-height: 1.5; }
.research-callout { display: flex; align-items: center; justify-content: space-between; gap: 18px; max-width: 980px; margin: 20px 0 0; padding: 15px 0 0; border-top: 1px solid var(--line); background: transparent; }
.research-callout h3 { margin: 0 0 6px; font: 500 1.25rem/1.2 var(--serif); }
.research-callout p { max-width: 68ch; margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.5; }
.research-callout > a { flex: 0 0 auto; padding: 0; background: transparent; color: var(--accent); font-size: .74rem; }
.thread-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 10px 0; color: var(--muted); font-size: .61rem; }
.network-map, .ledger-details { margin-top: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.network-map > summary, .ledger-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; color: var(--accent); cursor: pointer; font-size: .77rem; font-weight: 700; list-style: none; }
.network-map > summary::-webkit-details-marker, .ledger-details > summary::-webkit-details-marker { display: none; }
.network-map > summary::after, .ledger-details > summary::after { content: "+"; font-size: 1.12rem; font-weight: 400; }
.network-map[open] > summary::after, .ledger-details[open] > summary::after { content: "−"; }
.thread-canvas-wrap { margin: 10px 0 22px; padding: 10px; border: 0; background: #202623; }
.thread-canvas { height: min(66vw, 620px); min-height: 390px; }
.edge-table { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 22px; border-top: 0; }
.edge-card { padding: 14px 0; border: 0; border-top: 1px solid var(--line); }
.edge-card small { color: var(--accent); font-size: .54rem; line-height: 1.4; }
.edge-card h3 { margin: 8px 0 5px; font: 500 1.12rem/1.2 var(--serif); }
.edge-card p { color: #4d534e; font-size: .75rem; line-height: 1.52; }
.v46-deep-dive, .v52-hessdalen-callout { max-width: none !important; margin: clamp(30px,4.5vw,55px) 0 !important; padding: clamp(20px,3vw,32px) !important; border: 1px solid var(--line) !important; background: var(--paper-raised) !important; color: var(--ink) !important; }
.v46-deep-dive h2, .v52-hessdalen-callout h2 { max-width: 20ch; font: 500 clamp(1.8rem,3.4vw,3rem)/1.06 var(--serif) !important; letter-spacing: -.03em; }
.v52-hessdalen-callout .v52-mini { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.v52-hessdalen-callout .v52-mini img { width: 100%; aspect-ratio: 16/9; object-fit: contain; background: #202421; }

@media (max-width: 900px) {
  .site-shell { padding-inline: clamp(20px,4vw,38px); }
  .home-hero { grid-template-columns: minmax(0,1fr) minmax(0,.9fr); gap: 28px; }
  .home-hero-image img { height: 360px; }
  .archive-controls { grid-template-columns: minmax(180px,1.4fr) minmax(140px,.8fr) minmax(160px,1fr); }
  .archive-advanced { grid-column: 1/-1; justify-self: start; min-width: 160px; }
  .research-dossier-page .research-hero h1 { font-size: clamp(2.2rem,4.5vw,3.7rem); }
  .case-grid { grid-template-columns: 1fr; }
  .case-grid aside { max-width: 100%; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  .site-shell { padding-inline: 19px; }
  .site-top { display: grid; grid-template-columns: 1fr; min-height: 0; gap: 4px; padding: 14px 0 0; }
  .site-top nav { width: calc(100% + 38px); margin-inline: -19px; padding: 0 19px; gap: 17px; }
  .site-top nav a { padding: 10px 0 12px; font-size: .61rem; }
  .home-hero { grid-template-columns: 1fr; gap: 24px; padding: 38px 0 44px; }
  .home-hero h1, .thread-intro h1, .archive-hero h1 { font-size: clamp(2.55rem, 12vw, 4.1rem); }
  .home-hero .lede { font-size: .96rem; }
  .home-hero-image img { height: min(68vw, 365px); min-height: 230px; }
  .home-actions { gap: 13px 18px; }
  .feature-grid { grid-template-columns: 1fr; gap: 18px; }
  .feature-side { padding: 12px 0 0; border-left: 0; border-top: 2px solid var(--accent); }
  .home-explore-links { grid-template-columns: 1fr; gap: 0; }
  .recent-heading { align-items: start; flex-direction: column; gap: 8px; }
  .case-cards { grid-template-columns: 1fr; }
  .case-card.research-card { grid-template-columns: minmax(100px,.68fr) minmax(0,1.32fr); gap: 12px; }
  .research-thumb { aspect-ratio: 1.2/1; }
  .research-card-copy strong { font-size: 1.14rem; }
  .research-card-summary { font-size: .71rem; }
  .archive-hero { padding-top: 34px; }
  .archive-controls { grid-template-columns: 1fr 1fr; gap: 10px; }
  .archive-search { grid-column: 1/-1; }
  .archive-advanced { grid-column: 1/-1; justify-self: stretch; }
  .archive-advanced > summary { min-height: 38px; }
  .archive-item { grid-template-columns: 112px minmax(0,1fr); gap: 12px; padding: 13px 0; }
  .archive-thumb { height: 100px; }
  .archive-copy { grid-template-columns: 1fr; grid-template-rows: auto auto auto auto auto; gap: 4px; }
  .archive-copy > small, .archive-copy h2, .archive-copy p, .archive-copy .badges, .archive-copy > a { grid-column: 1; grid-row: auto; justify-self: start; }
  .archive-copy h2 { font-size: 1.12rem; }
  .archive-copy p { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 3; -webkit-box-orient: vertical; font-size: .7rem; }
  .archive-copy .badges { justify-content: start; margin: 2px 0 0; }
  .archive-copy .badges span { font-size: .45rem; }
  .archive-copy > a { margin: 2px 0 0; }
  .research-hero { grid-template-columns: 1fr; gap: 16px; padding-top: 37px; }
  .research-hero h1 { font-size: clamp(2.3rem,11vw,3.6rem); }
  .research-score b { font-size: 1.8rem; }
  .research-nav { gap: 8px 13px; }
  .research-nav span { width: 100%; }
  .research-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .research-strip > div { padding: 12px 10px; border-bottom: 1px solid var(--line); }
  .research-strip > div:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--line); }
  .research-strip > div:nth-child(even) { border-right: 0; }
  .research-model, .finding-grid, .open-leads { grid-template-columns: 1fr; }
  .research-gallery figure { grid-column: 1/-1; }
  .research-gallery img { height: auto; max-height: 300px; }
  .node-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .research-timeline li { grid-template-columns: 90px 1fr; gap: 12px; }
  .research-dossier-page .case-hero.research-hero { grid-template-columns: 1fr; gap: 18px; padding-top: 32px; }
  .research-dossier-page .research-hero h1 { max-width: 15ch; font-size: clamp(2.15rem,10.5vw,3.4rem); }
  .research-hero-figure { grid-row: 2; }
  .research-hero-figure img { aspect-ratio: 16/10; }
  .research-dossier-page .research-notice { grid-template-columns: 1fr; gap: 5px; padding: 12px 0; }
  .research-toc { gap: 9px 15px; }
  .research-dossier-page .research-ledger li { grid-template-columns: 1fr; gap: 5px; }
  .research-dossier-page .research-visual-grid.expanded { grid-template-columns: 1fr; }
  .research-visual-grid figure { grid-column: 1/-1; }
  .research-visual-grid img { height: auto; max-height: 300px; }
  .questions, .method-grid, .editorial-state, .edge-table { grid-template-columns: 1fr; }
  .media-card, .media-card.wide, .media-card.tall { grid-column: 1/-1; }
  .media-card img, .media-card.tall img { height: auto; max-height: 340px; }
  .claim-row { grid-template-columns: 1fr; gap: 8px; }
  .claim-row p { grid-column: 1; }
  .source-link { grid-template-columns: 1fr; gap: 5px; }
  .thread-intro { padding-top: 36px; }
  .research-callout { align-items: start; flex-direction: column; }
  .thread-canvas { height: 560px; min-height: 0; }
  .thread-node { min-width: 67px; max-width: 105px; padding: 5px 6px; font-size: .49rem; }
  .v52-hessdalen-callout .v52-mini { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* The legacy deep-dive hub now shares the archive's calmer visual language. */
.deep-dive-body { background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); }
.dd-wrap { width: min(100%, var(--shell)); margin: 0 auto; padding: 0 clamp(20px,4.4vw,64px); }
.dd-top { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); background: transparent; }
.dd-brand { color: var(--ink); font-size: .94rem; font-weight: 800; letter-spacing: .025em; text-decoration: none; }
.dd-nav { display: flex; flex-wrap: nowrap; gap: clamp(12px,2vw,28px); overflow-x: auto; scrollbar-width: none; }
.dd-nav a { padding: 12px 0; border-bottom: 1px solid transparent; color: #4b514c; font-size: .68rem; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; white-space: nowrap; }
.dd-nav a:hover { border-color: var(--accent); color: var(--accent); }
.dd-hero { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(250px,.7fr); gap: clamp(28px,5vw,70px); align-items: center; max-width: none; margin: 0; padding: clamp(42px,6vw,76px) 0; background: transparent; color: var(--ink); }
.dd-kicker { margin: 0 0 12px; color: var(--accent); font-size: .62rem; letter-spacing: .13em; }
.dd-hero h1 { max-width: 15ch; margin: 0 0 17px; font: 500 clamp(2.6rem,5.4vw,5rem)/.99 var(--serif); letter-spacing: -.045em; text-wrap: balance; }
.dd-deck { max-width: 64ch; margin: 0; color: #454b46; font-size: 1.02rem; line-height: 1.7; }
.dd-finding { max-width: 760px; margin-top: 18px; padding: 13px 16px; border: 0; border-left: 3px solid var(--accent); background: #ece7de; color: #3e443f; font-size: .78rem; line-height: 1.55; }
.dd-finding b { display: block; margin-bottom: 3px; color: var(--accent); font-size: .55rem; letter-spacing: .09em; }
.dd-statusbar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.dd-chip { padding: 5px 8px; border: 1px solid var(--line); background: var(--paper-raised); color: #434943; font-size: .54rem; letter-spacing: .06em; }
.dd-card { padding: 20px; border: 1px solid var(--line); background: var(--paper-raised); box-shadow: none; }
.dd-card .dd-tag { color: var(--accent); font-size: .56rem; letter-spacing: .1em; }
.dd-card h3 { margin: 12px 0 8px; font: 500 1.6rem/1.15 var(--serif); }
.dd-card p { margin: 8px 0 0; color: #4d534e; font-size: .8rem; line-height: 1.6; }
.dd-section { max-width: none; margin: 0; padding: clamp(34px,5vw,64px) 0; border-top: 1px solid var(--line); background: transparent; color: var(--ink); }
.dd-head { display: grid; grid-template-columns: minmax(130px,.42fr) minmax(0,1fr); gap: 22px; margin-bottom: 22px; }
.dd-head h2 { margin: 0 0 9px; font: 500 clamp(2rem,3.5vw,3.2rem)/1.04 var(--serif); letter-spacing: -.035em; }
.dd-head p:not(.dd-kicker) { max-width: 72ch; margin: 0; color: #4d534e; font-size: .9rem; line-height: 1.65; }
.dd-hub-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.dd-hub-card { min-width: 0; display: flex; flex-direction: column; padding: 0 0 15px; border: 1px solid var(--line); background: var(--paper-raised); color: var(--ink); text-decoration: none; }
.dd-hub-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: #dedbd2; }
.dd-hub-card small { margin: 13px 14px 0; color: var(--accent); font-size: .53rem; letter-spacing: .08em; }
.dd-hub-card h2 { margin: 7px 14px 8px; font: 500 1.35rem/1.12 var(--serif); }
.dd-hub-card p { margin: 0 14px 12px; color: #4d534e; font-size: .76rem; line-height: 1.55; }
.dd-hub-card span { margin: auto 14px 0; color: var(--accent); font-size: .62rem; letter-spacing: .06em; }
.dd-hub-card:hover { border-color: #b7a89d; color: var(--accent); }
.dd-rule { margin-top: 20px; padding: 13px 15px; border-left: 3px solid var(--accent); background: #ece7de; color: #414741; font-size: .77rem; line-height: 1.55; }
.dd-rule small { display: block; margin-bottom: 4px; color: var(--accent); font-size: .53rem; letter-spacing: .1em; }
.dd-footer { display: flex; justify-content: space-between; gap: 18px; padding: 25px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: .66rem; }
.deep-dive-collection { margin-top: 0; }
.collection-details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.collection-details > summary { padding: 14px 0; color: var(--accent); cursor: pointer; font-size: .77rem; font-weight: 700; list-style-position: inside; }
.collection-details[open] > summary { border-bottom: 1px solid var(--line); }
.saved-research-details { margin: 26px 0 8px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.saved-research-details > summary { padding: 15px 0; color: var(--accent); cursor: pointer; font-size: .78rem; font-weight: 700; list-style-position: inside; }
.saved-research-details[open] > summary { border-bottom: 1px solid var(--line); }
.saved-research-v51 { margin: 0; padding: 18px 0 24px; background: transparent; color: var(--ink); }
.saved-research-v51 > h2 { margin: 8px 0 12px; font: 500 2rem/1.1 var(--serif); }
.saved-research-v51 > p { max-width: 72ch; color: #4d534e; font-size: .86rem; line-height: 1.65; }
.saved-research-v51 h3 { margin: 23px 0 8px; color: var(--ink); font: 500 1.3rem/1.2 var(--serif); }
.saved-research-v51 li { margin: 7px 0; color: #4d534e; font-size: .79rem; line-height: 1.55; }
.saved-research-v51 a { color: var(--accent); }

@media (max-width: 900px) {
  .dd-hub-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .dd-head { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 680px) {
  .dd-wrap { padding-inline: 19px; }
  .dd-top { align-items: start; flex-direction: column; gap: 4px; padding-top: 14px; }
  .dd-nav { width: calc(100% + 38px); margin-inline: -19px; padding: 0 19px; gap: 17px; }
  .dd-nav a { padding: 10px 0 12px; font-size: .61rem; }
  .dd-hero { grid-template-columns: 1fr; gap: 20px; padding: 36px 0 42px; }
  .dd-hero h1 { font-size: clamp(2.5rem,11.5vw,3.9rem); }
  .dd-hub-grid { grid-template-columns: 1fr; }
  .dd-hub-card { display: grid; grid-template-columns: 112px minmax(0,1fr); grid-template-rows: auto auto 1fr auto; column-gap: 12px; padding: 0 0 12px; }
  .dd-hub-card img { grid-column: 1; grid-row: 1/5; height: 100%; min-height: 135px; aspect-ratio: auto; }
  .dd-hub-card small { grid-column: 2; margin: 11px 11px 0 0; font-size: .47rem; }
  .dd-hub-card h2 { grid-column: 2; margin: 5px 11px 4px 0; font-size: 1.15rem; }
  .dd-hub-card p { grid-column: 2; margin: 0 11px 6px 0; font-size: .68rem; }
  .dd-hub-card span { grid-column: 2; margin: 4px 11px 0 0; font-size: .53rem; }
  .dd-footer { flex-direction: column; gap: 4px; }
  .saved-research-details > summary { padding: 13px 0; }
}