/*
  Report Engine — render layer.
  A tokenized rebuild of the Yellow House field study's editorial vocabulary.
  Pairs with theme/tokens.css (palette + fonts). Every component reads only
  tokens, so a report re-themes by swapping the data-theme attribute. No charts.
*/

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);
  font-size:clamp(1rem,0.55vw + 0.9rem,1.12rem);
  line-height:1.72;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1}
.measure{max-width:var(--measure)}

h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.12;letter-spacing:-0.01em;margin:0}
.eyebrow{font-family:var(--mono);font-size:.72rem;font-weight:400;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-deep)}
p{margin:0 0 1.25em}
a{color:var(--accent-2)}
strong{font-weight:600}
em{font-style:italic}

/* ---- Cover ---- */
.cover{min-height:92vh;display:flex;flex-direction:column;justify-content:space-between;padding-top:clamp(2rem,7vh,5rem);padding-bottom:clamp(2rem,5vh,4rem);position:relative;overflow:hidden}
.cover-top{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}
.wordmark{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);line-height:1.7}
.cover-main{margin-top:auto}
.cover h1{font-size:clamp(2.3rem,5.6vw,4.4rem);font-weight:600;letter-spacing:-0.015em;line-height:1.04;margin:0.25em 0 0}
.cover h1 em{font-style:normal;color:var(--accent)}
.standfirst{font-family:var(--body);font-weight:400;font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.5;color:var(--ink-soft);max-width:46ch;margin-top:1.6rem}
.cover-meta{display:flex;gap:2.5rem;flex-wrap:wrap;margin-top:2.6rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft)}
.cover-meta b{display:block;color:var(--accent-deep);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.66rem;margin-bottom:.35em}

/* Optional decorative line-drawing slot (project motif). */
.hero-mark{position:absolute;right:-25%;top:2%;width:min(70vw,820px);height:auto;opacity:.92;pointer-events:none}
.hero-mark .stroke{fill:none;stroke:var(--accent);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
.hero-mark .wash{fill:var(--accent-wash);stroke:var(--accent);stroke-width:2.2}
@media(max-width:820px){.hero-mark{opacity:.16;top:auto;bottom:2%;right:-12%;width:90vw}}

/* ---- Contents ---- */
.contents{padding-block:clamp(3rem,8vh,6rem);border-top:1.5px solid var(--ink)}
.contents-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:2.2rem;gap:1rem;flex-wrap:wrap}
.toc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.toc li{border-bottom:1px solid var(--line)}
.toc a{display:grid;grid-template-columns:3.2rem 1fr auto;gap:1.2rem;align-items:baseline;padding:1.1rem 0;text-decoration:none;color:var(--ink);transition:color .2s,padding-left .2s}
.toc a:hover,.toc a:focus-visible{color:var(--accent-deep);padding-left:.5rem;outline:none}
.toc .n{font-family:var(--mono);font-size:.8rem;color:var(--accent-deep)}
.toc .t{font-family:var(--display);font-size:clamp(1.05rem,2vw,1.35rem);font-weight:600;letter-spacing:-0.01em}
.toc .g{font-family:var(--mono);font-size:.7rem;color:var(--taupe);text-align:right;letter-spacing:.04em}
@media(max-width:620px){.toc a{grid-template-columns:2.4rem 1fr}.toc .g{display:none}}

/* ---- Chapters ---- */
section.chapter{padding-block:clamp(3.5rem,10vh,8rem);border-top:1px solid var(--line);position:relative}
.chapter-head{display:flex;gap:1.4rem;align-items:flex-start;margin-bottom:2.4rem}
.marker{position:relative;flex:none;width:44px;height:40px;margin-top:.35rem;background:var(--accent);display:flex;align-items:center;justify-content:center}
.marker > span{font-family:var(--mono);font-weight:700;font-size:.82rem;color:var(--paper)}
/* House-roof variant (used by the Yellow House theme for fidelity). */
.marker.roofed{background:none}
.marker.roofed .roof{position:absolute;top:0;left:0;height:0;border-left:22px solid transparent;border-right:22px solid transparent;border-bottom:14px solid var(--accent)}
.marker.roofed .body{position:absolute;bottom:0;left:5px;right:5px;height:26px;background:var(--accent);display:flex;align-items:center;justify-content:center}
.chapter-titles .eyebrow{display:block;margin-bottom:.7rem}
.chapter-titles h2{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:600;max-width:none;line-height:1.1;text-wrap:balance}
.lede{font-family:var(--body);font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.5;font-weight:400;color:var(--ink-soft);max-width:62ch;margin:0 0 2rem}
.body-col{max-width:min(88ch,100%)}
.body-col h3{font-family:var(--display);font-size:1.1rem;font-weight:600;margin:2.4rem 0 .7rem;letter-spacing:-0.005em}

/* ---- Pull quote ---- */
.pull{margin:2.6rem 0;padding:1.2rem 1.5rem;border-left:3px solid var(--accent);background:var(--accent-wash);font-family:var(--display);font-style:normal;font-weight:500;font-size:clamp(1.15rem,2.2vw,1.6rem);line-height:1.34;letter-spacing:-0.005em;color:var(--ink);max-width:56ch}
.pull.alt{border-color:var(--accent-2);background:var(--accent-2-wash)}

/* ---- Stat tiles (primary figure) ---- */
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin:2.4rem 0}
.fig{background:var(--paper);padding:1.4rem 1.2rem}
.fig .num{font-family:var(--display);font-size:clamp(1.9rem,4vw,2.7rem);font-weight:500;line-height:1;letter-spacing:-0.02em;color:var(--ink)}
.fig .num.accent{color:var(--accent-deep)}
.fig .lab{font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--taupe);margin-top:.6rem;line-height:1.45}
.caption{font-family:var(--mono);font-size:.66rem;letter-spacing:.04em;color:var(--taupe);margin:.7rem 0 0;line-height:1.6}

/* ---- Screenshot evidence (Website Audit) ---- */
.shot{margin:2.4rem 0}
.shot img{display:block;width:100%;height:auto;border:1px solid var(--line)}
.shot figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.02em;color:var(--taupe);margin-top:.7rem;line-height:1.65;max-width:none}

/* ---- Flow / funnel (arrows allowed here, never in prose) ---- */
.flow{margin:2.8rem 0;padding:0;border:none;background:none}
.flow .flab{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--taupe);margin-bottom:1rem}
.flow .steps{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem .9rem}
.flow .step{font-family:var(--display);font-size:clamp(1rem,2.2vw,1.35rem);font-weight:600;color:var(--ink);letter-spacing:-0.01em}
.flow .arrow{color:var(--accent);font-size:1.2rem;line-height:1}
.flow .step.end{color:var(--accent-deep)}

/* ---- Cards (options / engines / segments / capabilities) ---- */
/* Separated bordered cards: empty grid cells read as background, never as grey boxes. */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px;margin:1.6rem 0}
.card{background:var(--paper);border:1px solid var(--line);padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.55rem}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:.6rem}
.card h3{font-family:var(--display);font-size:1.32rem;font-weight:600;margin:0;letter-spacing:-0.01em}
.pill{font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;padding:.32em .6em;white-space:nowrap;border:1px solid}
.pill.a{color:var(--accent-2);border-color:var(--accent-2);background:var(--accent-2-wash)}
.pill.b{color:var(--accent-deep);border-color:var(--accent);background:var(--accent-wash)}
.pill.c{color:var(--taupe);border-color:var(--line)}
.card .meta{font-family:var(--mono);font-size:.68rem;color:var(--ink-soft);letter-spacing:.03em}
.card .what{font-size:.98rem;line-height:1.58;color:var(--ink-soft);margin:.2rem 0 0}
.card .kv{font-size:.95rem;line-height:1.55;color:var(--ink);padding-top:.85rem;border-top:1px solid var(--line)}
.card .kv b{font-family:var(--mono);font-weight:400;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:.45em;color:var(--ink-soft)}
.card .kv.alt b{color:var(--accent-2)}
.card .kv.last{margin-top:auto}

/* ---- Numbered findings (risks / strengths / recommendations) ---- */
.read{list-style:none;margin:1rem 0 0;padding:0;counter-reset:r}
.read li{counter-increment:r;display:grid;grid-template-columns:2.6rem 1fr;gap:1.2rem;padding:1.5rem 0;border-top:1px solid var(--line);align-items:start}
.read li::before{content:counter(r,decimal-leading-zero);font-family:var(--mono);font-size:.8rem;color:var(--accent-deep);padding-top:.2rem}
.read.alt li::before{color:var(--accent-2)}
.read h3{font-family:var(--display);font-size:1.3rem;font-weight:600;margin:0 0 .35rem;letter-spacing:-0.01em}
.read p{margin:0;color:var(--ink-soft);font-size:.98rem;line-height:1.6}

/* ---- Roadmap timeline ---- */
.timeline{margin-top:1.5rem;border-top:1px solid var(--line)}
.phase{display:grid;grid-template-columns:11rem 1fr;gap:1.6rem;padding:2rem 0;border-bottom:1px solid var(--line)}
.phase .when{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--accent-deep);text-transform:uppercase;line-height:1.6}
.phase .when b{display:block;font-family:var(--display);font-size:1.5rem;font-weight:600;letter-spacing:-0.01em;text-transform:none;color:var(--ink);margin-top:.25rem}
.phase h3{font-family:var(--display);font-size:1.25rem;font-weight:600;margin:0 0 .7rem}
.phase ul{margin:0;padding-left:1.1rem;color:var(--ink-soft)}
.phase li{margin-bottom:.45rem;font-size:.96rem;line-height:1.55}
.phase.flag{background:var(--accent-wash);margin:0 calc(-1 * var(--gutter));padding-left:var(--gutter);padding-right:var(--gutter)}
@media(max-width:680px){.phase{grid-template-columns:1fr;gap:.7rem}}

/* ---- Severity heat table (Website Audit tactical lens) ---- */
.sev{width:100%;border-collapse:collapse;font-size:.92rem;margin:2rem 0}
.sev th,.sev td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.sev th{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--taupe);font-weight:400}
.sev .tag{font-family:var(--mono);font-size:.6rem;letter-spacing:.06em;text-transform:uppercase;padding:.2em .5em;border:1px solid;white-space:nowrap}
.sev .crit{color:var(--paper);background:var(--flag);border-color:var(--flag)}
.sev .high{color:var(--accent-deep);border-color:var(--accent);background:var(--accent-wash)}
.sev .med{color:var(--accent-2);border-color:var(--accent-2);background:var(--accent-2-wash)}
.sev .low{color:var(--taupe);border-color:var(--line)}
a.ev{color:inherit;text-decoration:none;border-bottom:1px dotted var(--accent);padding-bottom:1px}
a.ev:hover,a.ev:focus-visible{color:var(--accent-deep);border-bottom-style:solid;outline:none}

/* ---- Provenance labels (Data / Derived / Inference / Unverified / Founder input) ---- */
.prov{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;padding:.12em .45em;border:1px solid var(--line);color:var(--taupe);white-space:nowrap}
.prov.data{color:var(--accent-2);border-color:var(--accent-2)}
.prov.derived{color:var(--accent-deep);border-color:var(--accent)}
.prov.inference{color:var(--flag);border-color:var(--flag)}
.prov.check{color:var(--taupe);border-color:var(--taupe);border-style:dashed}
.prov.founder{color:var(--ink);border-color:var(--ink);background:var(--paper-2)} /* founders' stated plan, not evidence (rev. 3, 5 Sep 2026) */
.prov .on{opacity:.7}

/* ---- Mono caveat / method note ---- */
.note{font-family:var(--mono);font-size:.74rem;line-height:1.7;color:var(--taupe);letter-spacing:.02em;background:var(--paper-2);border:1px solid var(--line);padding:1.1rem 1.3rem;margin-top:2.4rem}

/* ---- Closing (inverted) ---- */
.closing{background:var(--ink);color:var(--paper);padding:clamp(4rem,12vh,8rem) 0}
.closing .eyebrow{color:var(--accent)}
.closing h2{color:var(--paper);font-size:clamp(1.7rem,4vw,2.8rem);font-weight:600;max-width:20ch;line-height:1.08;margin:.6rem 0 1.6rem}
.closing p{color:color-mix(in srgb, var(--paper) 78%, transparent);max-width:54ch}
.closing .pull{color:var(--paper);border-color:var(--accent);background:transparent}

/* ---- Colophon ---- */
.colophon{padding-block:3rem 4rem;border-top:1px solid var(--line)}
.colophon-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.6rem;font-family:var(--mono);font-size:.72rem;line-height:1.7;color:var(--ink-soft)}
.colophon-grid b{display:block;color:var(--accent-deep);letter-spacing:.14em;text-transform:uppercase;font-size:.64rem;font-weight:700;margin-bottom:.5em}

/* ---- Motion + print ---- */
@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}
}
@media print{
  body{background:#fff}
  .hero-mark,.reveal{opacity:1 !important;transform:none !important}
  section.chapter,.cover{page-break-inside:avoid}
}

/* ---- Provenance labels outside body text (rev. 2, 5 Sep 2026) ---- */
.fig .lab .prov{display:inline-block;margin-top:.5rem;font-size:.56rem}
.sev td .prov,.card .what .prov,.card .kv .prov,.caption .prov,figcaption .prov{display:inline-block;margin:.1rem .1rem 0 0;vertical-align:baseline}