/* Case atlas · 2026-10-14
   Rails: one 1160px column; chapter fields are full-bleed and carry the column inside them (S3).
   Inset: clamp(20px, 3.5vw, 40px) inside every panel and card (S2). Intro blocks span the column (S1).
   Palette: UChicago identity colors as dark chapter fields with pastel washes; maroon carries actions. */
*{box-sizing:border-box}
body{margin:0;background:#f7f5f1;color:#302b29;font:16px/1.55 system-ui,-apple-system,sans-serif}
.atlas{--col:1160px;--inset:clamp(20px,3.5vw,40px);--gutter:var(--harper-page-gutter,48px);--maroon:#800000;--maroon-deep:#641c2d}
.atlas .inner{max-width:var(--col);margin-inline:auto;padding-inline:var(--gutter);width:100%}
.atlas h1,.atlas h2,.atlas h3,.atlas h4{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.15;margin:0}
.atlas h1{font-size:clamp(32px,4vw,46px);margin:8px 0 12px}
.atlas h2{font-size:clamp(26px,3vw,36px);margin:8px 0 12px}
.atlas h3{font-size:22px}
.atlas p{margin:0 0 12px}
.atlas .lede{font-size:18px;line-height:1.5;margin-bottom:20px}
.atlas .eyebrow{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin:0 0 6px;opacity:.85}
.atlas a{color:var(--maroon);text-underline-offset:4px}
.atlas :focus-visible{outline:3px solid #fff;outline-offset:3px;box-shadow:0 0 0 6px var(--maroon)}
.atlas .fine{font-size:12px;color:#6a625d;padding-block:12px 32px}

/* identity colors: field (dark), field-ink (text on field), wash (pastel), ink (text on wash), line */
.wine{--field:#4b1020;--field-ink:#fff5e6;--wash:#f4e8e9;--ink:#4b1020;--line:#d9aeb0}
.lake{--field:#244f63;--field-ink:#f3f8fa;--wash:#d6e9ee;--ink:#002a3a;--line:#9cc7d3}
.ivy{--field:#355a44;--field-ink:#f3f7ee;--wash:#e7edde;--ink:#284734;--line:#b9cda0}
.plum{--field:#50334f;--field-ink:#f8f1f7;--wash:#e8e2e9;--ink:#41273b;--line:#bfaec3}
.terra{--field:#8a3d1c;--field-ink:#fff4ec;--wash:#faead6;--ink:#7a2f12;--line:#efc39b}
.gold{--field:#735321;--field-ink:#fff8e8;--wash:#fbf0d1;--ink:#5c4300;--line:#e9d28a}
.stone{--field:#3a3a3a;--field-ink:#f5f3ef;--wash:#f2f1ee;--ink:#302b29;--line:#d9d9d9}

/* chapters: full-bleed fields; the column sits inside */
.chapter{padding-block:clamp(36px,5vw,64px)}
.chapter.wine{padding-block:clamp(28px,3.5vw,44px)}
.chapter.cream{background:#f7f5f1}
.chapter.wine,.chapter.ink,.chapter.field,.chapter.field-deep{background:var(--field);color:var(--field-ink)}
.chapter.ink{--field:#1f2a30;--field-ink:#f3f6f7}
.chapter.field-deep{background:color-mix(in srgb,var(--field) 82%,#000)}
.chapter.wine a,.chapter.ink a,.chapter.field a,.chapter.field-deep a{color:var(--field-ink)}
.chapter.wash{background:var(--wash);color:var(--ink)}
.chapter.wash a{color:var(--ink)}
.chapter+.chapter{border-top:1px solid rgba(0,0,0,.06)}

/* L0 · intent search */
.intent{margin-top:24px;max-width:none}
.intent label{display:block;font-size:14px;margin-bottom:8px;opacity:.9}
.intent input{width:100%;min-height:52px;padding:12px 16px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:rgba(255,255,255,.08);color:inherit;font:inherit}
.intent input::placeholder{color:rgba(255,245,230,.6)}
.intent input:focus-visible{outline:3px solid #fff;outline-offset:2px;box-shadow:none;background:rgba(255,255,255,.14)}
.intent-results{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.intent-results li a{display:block;padding:12px 16px;border:1px solid rgba(255,255,255,.3);border-radius:6px;text-decoration:none;background:rgba(255,255,255,.06)}
.intent-results li a strong{display:block;font-weight:600}
.intent-results li a span{font-size:13px;opacity:.85}
.intent-results li.none{opacity:.8;font-size:14px;padding:6px 0}

/* L0 · buckets (the eye-lock row) */
.path{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;margin:4px 0 18px;color:#5c544e}
.path a{text-decoration:none;font-weight:600}
#path-detail:empty{display:none}
#path-detail::before{content:"/ ";opacity:.6}
.buckets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.bucket{min-width:0}
.atlas .bucket-face{position:relative;display:block;height:100%;padding:var(--inset);background:var(--field);color:var(--field-ink);border-radius:12px;text-decoration:none;border:1px solid transparent;transition:transform .15s,box-shadow .15s}
.bucket-face:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.14)}
.bucket-face[aria-expanded=true]{box-shadow:inset 0 0 0 3px #fff,0 0 0 1px var(--field)}
.bucket-icon{position:absolute;top:var(--inset);right:var(--inset);font:34px/1 Georgia,serif;opacity:.9}
.bucket-face h3{margin:0 44px 8px 0;font-size:26px}
.bucket-face p{margin:0 0 20px;font-size:15px;opacity:.92}
.bucket-count{font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;opacity:.9}

/* L0 · nests (nesting doll: the bucket opens below the row, parent stays visible) */
.nest{margin-top:16px;background:var(--wash);color:var(--ink);border-top:4px solid var(--field);padding-block:clamp(24px,3vw,40px)}
.nest[hidden]{display:none}
.nest h3{font-size:24px;margin-bottom:16px}
.doors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.atlas .door{position:relative;display:block;padding:var(--inset);background:#fff;color:var(--ink);border:1px solid var(--line);border-left:5px solid var(--field);border-radius:8px;text-decoration:none;transition:transform .15s}
.door:hover{transform:translateY(-2px)}
.door-icon{position:absolute;top:var(--inset);right:var(--inset);font:26px/1 Georgia,serif;color:var(--field)}
.door h4{font-size:22px;margin:0 36px 6px 0}
.door p{margin:0 0 14px;font-size:14px}
.door-path{display:block;font-size:12px;margin-bottom:12px;color:#5c544e}
.door strong{font-size:13px;color:var(--maroon)}

/* L0 · journey + notebook */
.journey{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:8px 0 28px}
.atlas .journey-tile{display:grid;gap:4px;padding:var(--inset);border:1px solid rgba(255,255,255,.25);border-radius:10px;background:rgba(255,255,255,.06);text-decoration:none;min-height:150px}
.journey-tile .num{font:italic 400 30px/1 Georgia,serif;opacity:.8}
.journey-tile strong{font-size:20px;font-weight:600}
.journey-tile span:last-child{font-size:14px;opacity:.88}
.notebook{padding:var(--inset);background:rgba(255,255,255,.08);border-radius:10px;border:1px solid rgba(255,255,255,.2);display:grid;grid-template-columns:1.3fr 1fr;gap:12px 32px;align-items:start}
.notebook .eyebrow,.notebook h3,.notebook>p{grid-column:1}
.notebook-links{grid-column:2;grid-row:1/4;display:grid;gap:10px;align-content:center}
.notebook-links a{padding:12px 16px;border:1px solid rgba(255,255,255,.3);border-radius:6px;text-decoration:none;font-weight:600}

/* L0 · previously covered */
.covered{list-style:none;margin:8px 0 16px;padding:0;border-top:1px solid #ddd6ce}
.covered-row{display:grid;grid-template-columns:120px 1fr auto;gap:8px 24px;padding:18px 0;border-bottom:1px solid #ddd6ce;align-items:start}
.covered-row time{font-size:13px;color:#5c544e;padding-top:3px}
.covered-row a{font-weight:600;font-size:17px}
.covered-row p{margin:4px 0;font-size:14px;color:#4a4542}
.covered-source{font-size:12px;color:#6a625d}
.chip{display:inline-block;padding:5px 10px;border-radius:4px;background:var(--wash);color:var(--ink);border:1px solid var(--line);font-size:12px;font-weight:700;white-space:nowrap}
.covered-foot{font-size:14px}
.atlas-foot .inner{display:flex;flex-wrap:wrap;gap:12px 28px;padding-block:20px 36px;border-top:1px solid #ddd6ce;font-size:14px}

/* guide · chapter 01 */
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin-bottom:22px;opacity:.9}
.crumbs a{text-decoration:none}
.crumbs span[aria-current]{font-weight:700}
.journey-pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.journey-pills a{display:inline-flex;gap:8px;align-items:center;min-height:40px;padding:6px 14px;border:1px solid rgba(255,255,255,.35);border-radius:999px;text-decoration:none;font-size:14px;font-weight:600}
.journey-pills a span{font:italic 400 15px/1 Georgia,serif;opacity:.8}
.journey-pills a[aria-current]{background:#fff;color:var(--field)}
.guide .question{font-size:22px;line-height:1.35;margin:0 0 22px;opacity:.95}
.cues{padding:var(--inset);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:10px}
.cues h2{font:600 13px/1.4 system-ui;letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px}
.cues ul{margin:0;padding-left:20px;font-size:16px}
.cues li{margin:4px 0}

/* guide · chapter 02: one diagram grammar for all ten */
.case-tree{margin:20px 0 0}
.case-tree figcaption{width:fit-content;max-width:100%;margin:auto;background:var(--field);color:var(--field-ink);padding:12px 24px;border-radius:24px;text-align:center;font-weight:600}
.case-tree ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;margin:0;padding:36px 0 0;position:relative}
.case-tree ol:before{content:'';position:absolute;top:0;height:18px;left:50%;border-left:2px solid var(--field)}
.case-tree ol:after{content:'';position:absolute;top:18px;left:16.66%;right:16.66%;border-top:2px solid var(--field)}
.case-tree li{position:relative;padding:var(--inset);background:#fff;border-top:4px solid var(--field);border-radius:8px}
.case-tree li:before{content:'';position:absolute;top:-18px;left:50%;height:15px;border-left:2px solid var(--field)}
.case-tree .step{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--field)}
.case-tree h3{font-size:20px;margin:6px 0 4px}
.case-tree strong{font-size:13px;color:var(--field)}
.case-tree p{font-size:14px;margin:8px 0 0}
.equation{margin:24px 0 0;padding:14px var(--inset);background:#fff;border-left:4px solid var(--field);border-radius:0 6px 6px 0;font-weight:600;font-size:15px;color:var(--ink)}

/* guide · chapter 03: scratch sheet */
.example{padding:var(--inset);background:#fff;border:1px solid #e6e0d8;border-radius:8px;margin:8px 0 16px}
.example-label{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#6a625d;margin-bottom:6px}
.scratch{padding:var(--inset);background:#fffdf8;border:1px solid #e6e0d8;border-radius:8px;background-image:repeating-linear-gradient(transparent 0 31px,#ece6dc 31px 32px);background-origin:content-box}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:28px 220px 1fr;gap:12px;align-items:baseline;padding:0;line-height:32px;transition:background .2s}
.steps li::before{counter-increment:s;content:counter(s);font:italic 400 18px/32px Georgia,serif;color:var(--field)}
.step-label{font-size:14px;color:#5c544e}
.step-calc{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;font-weight:600;color:var(--ink);overflow-wrap:anywhere}
.scratch.live .steps li{opacity:.35}
.scratch.live .steps li.lit{opacity:1;background:var(--wash)}
.scratch-controls{display:flex;gap:16px;align-items:center;margin-top:12px;flex-wrap:wrap}
.next-step,.timer-start{min-height:44px;padding:8px 18px;border-radius:4px;font:600 15px system-ui;cursor:pointer;background:var(--maroon);color:#fff;border:1px solid var(--maroon)}
.next-step:hover,.timer-start:hover{background:var(--maroon-deep)}
.scratch-status{font-size:13px;color:#5c544e}
.insight{margin:18px 0 0;font-size:17px}
.intuition{margin-top:24px;padding:var(--inset);background:var(--wash);color:var(--ink);border-radius:8px;border:1px solid var(--line)}
.intuition h3{font:600 13px/1.4 system-ui;letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px}
.intuition p{margin:0;font-size:16px}

/* guide · chapter 04: three buckets + timer */
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:8px 0 22px}
.three>div{padding:var(--inset);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:8px}
.three p{margin:0;font-size:16px}
.timer{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.timer-start{background:#fff;color:var(--field);border-color:#fff}
.timer-start:hover{background:#f1ebe6}
.timer-face{font:italic 400 34px/1 Georgia,serif;min-width:70px}
.timer-cue{font-size:14px;opacity:.9}
.say{margin:0 0 12px;padding:var(--inset);border-left:4px solid #fff;background:rgba(255,255,255,.06);font-size:18px;font-style:italic}
.trap{font-size:15px;opacity:.92}
.log-link{font-size:14px}

/* guide · special sauce + terms */
.stories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:8px 0 28px}
.atlas .story{display:grid;gap:6px;padding:var(--inset);background:#fff;border:1px solid #e6e0d8;border-left:5px solid var(--field);border-radius:8px;text-decoration:none;color:#302b29}
.story strong{font:400 24px Georgia,serif}
.story p{margin:0;font-size:15px}
.story span:last-child{font-size:13px;color:var(--maroon);font-weight:600}
.terms-title{font-size:20px;margin-bottom:12px}
.terms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0}
.terms>div{padding:var(--inset);background:var(--wash);border:1px solid var(--line);border-radius:8px}
.terms dt{font-size:15px;font-weight:700;color:var(--ink)}
.terms dd{font-size:13px;margin:6px 0 0}
.case-next .inner{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;padding-block:24px 8px;border-top:1px solid #ddd6ce;font-size:14px}
.case-next .eyebrow{margin:0}

@media(max-width:900px){
 .buckets,.doors,.journey,.three,.terms{grid-template-columns:repeat(2,minmax(0,1fr))}
 .notebook{grid-template-columns:1fr}.notebook-links{grid-column:1;grid-row:auto}
 .steps li{grid-template-columns:24px 1fr}.steps li .step-calc{grid-column:2}
 .covered-row{grid-template-columns:100px 1fr}.covered-row .chip{grid-column:2;justify-self:start}
}
@media(max-width:600px){
 .buckets,.doors,.journey,.three,.terms,.stories,.case-tree ol{grid-template-columns:1fr}
 .case-tree ol{padding-top:22px}.case-tree ol:after,.case-tree li:before{display:none}
 .bucket-face h3{font-size:22px}.bucket-icon{font-size:28px}
 .journey-tile{min-height:0}
 .covered-row{grid-template-columns:1fr}.covered-row time{padding:0}
 .steps li{line-height:1.5;padding:8px 0}.scratch{background-image:none}
 .atlas h1{font-size:30px}
}
@media(prefers-reduced-motion:reduce){.bucket-face,.door,.steps li{transition:none}.bucket-face:hover,.door:hover{transform:none}}

/* Market-entry refinement: scoped to this guide; shared Harper chrome stays intact. */
.atlas.market-entry-guide{--inset:24px;--gutter:32px}
.market-entry-guide .case-tree ol,.market-entry-guide .three,.market-entry-guide .terms,.market-entry-guide .stories{gap:16px}
.atlas.market-entry-guide .equation{margin:24px 0 0}
.atlas.market-entry-guide .example{margin:8px 0 16px}
.atlas.market-entry-guide .insight{margin:20px 0 0}
.atlas.market-entry-guide .terms-title{margin:0 0 16px}
.market-entry-guide .terms dd{font-size:15px;line-height:1.5}
.market-entry-guide .terms details{margin-top:16px;border-top:1px solid var(--line)}
.market-entry-guide .terms summary{min-height:44px;padding:12px 0;cursor:pointer;font-size:14px;font-weight:600;color:var(--ink)}
.atlas.market-entry-guide .terms details p{margin:0;padding:4px 0 0;font-size:14px}
.market-entry-guide .journey-pills a{min-height:44px}
.market-entry-guide .case-tree li,.market-entry-guide .terms>div,.market-entry-guide .three>div{min-width:0}
@media(max-width:900px){.market-entry-guide .case-tree ol,.market-entry-guide .three,.market-entry-guide .terms{grid-template-columns:1fr}.market-entry-guide .case-tree ol:after,.market-entry-guide .case-tree li:before{display:none}}
@media(max-width:600px){.atlas.market-entry-guide{--inset:20px;--gutter:20px}.market-entry-guide .journey-pills{display:grid;grid-template-columns:1fr 1fr}.market-entry-guide .journey-pills a{justify-content:center;padding-inline:8px}}

@media(min-width:761px) and (max-width:1099px){body:has(.market-entry-guide) .harper-ribbon-inner{gap:10px}body:has(.market-entry-guide) .harper-links>a,body:has(.market-entry-guide) .harper-menu>a{padding-left:8px;padding-right:8px;font-size:12px}}