/* semantic.training: the Semantic Lounge on the page, Jackson Square underneath (brand guide SL-01..SL-13).
   site.css is the house stylesheet, shared with michaelcarducci.com; everything the Lounge adds lives here. */

/* ---------- brand: the graph mark stands in for the canopy (SL-04) ---------- */
.brand.lounge .gmark{width:44px;height:44px;flex:none}
.gmark .ge path{stroke:var(--light);stroke-width:1.6;fill:none;opacity:.85}
.gmark .gt{stroke:var(--teal);stroke-width:1.8;fill:none}
.gmark .gr{stroke:var(--red);stroke-width:2.4;fill:none}
.gmark .gh{fill:var(--light);opacity:.16}
.gmark .gl{fill:var(--light)}
.gmark .gn{fill:var(--light);opacity:.9}
.brand.lounge .nm b{font-size:1.3rem}
.brand.lounge .nm b .dot{color:var(--teal)}
.brand.lounge .nm i{font-family:var(--mono);font-style:normal;font-size:.72rem;letter-spacing:.02em}

/* night / paper switch */
.mode{font:500 .8rem var(--mono);letter-spacing:.06em;text-transform:lowercase;background:none;border:1px solid var(--rule);color:var(--fog);border-radius:999px;padding:4px 12px;cursor:pointer}
.mode:hover{color:var(--lace);border-color:var(--fog)}
.mode .to-night{display:none}
.paper .mode .to-paper{display:none}
.paper .mode .to-night{display:inline}

/* ---------- the lit graph ---------- */
.litgraph{display:block;width:100%;height:100%}
.litgraph .e-lit{stroke:var(--light)}
.litgraph .e-dim{stroke:var(--fog)}
.litgraph .e-teal{stroke:var(--teal);opacity:.9}
.litgraph .e-red{stroke:var(--red)}
.litgraph .n-lit{fill:var(--light)}
.litgraph .n-dim{fill:none;stroke:var(--fog);opacity:.45}
.paper .litgraph .halo{display:none}                   /* SL-12: no glow on paper; ink weight does the lighting */
.paper .litgraph rect{opacity:.35}

/* ---------- hero ---------- */
.lhero{position:relative;min-height:min(78vh,640px);display:grid;align-items:center;padding:48px 0 56px;overflow:hidden;isolation:isolate}
.lhero .lgraph{position:absolute;inset:0;z-index:-1;mask-image:linear-gradient(90deg,#000 80%,transparent),linear-gradient(180deg,transparent,#000 12%,#000 85%,transparent);mask-composite:intersect;-webkit-mask-composite:source-in}
.lhero .lgraph::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--street) 0%,color-mix(in srgb,var(--street) 78%,transparent) 42%,transparent 78%)}
.lhero .copy{max-width:640px;display:grid;gap:18px;justify-items:start}
.lhero h1{font-family:var(--display);font-weight:400;font-size:clamp(2.8rem,8vw,5.6rem);line-height:1;margin:6px 0 0;letter-spacing:-.01em}
.lhero h1 em{color:var(--teal)}
.lhero .lede{font-size:1.12rem;color:var(--lace);opacity:.86}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.next{display:inline-flex;gap:10px;align-items:baseline;text-decoration:none;font-size:.9rem;color:var(--lace);border-top:1px dotted var(--light);padding-top:10px;margin-top:8px}
.next:hover{color:var(--light)}
@media (max-width:760px){
  .lhero{min-height:0;padding-top:24px;align-items:end}
  .lhero .lgraph{opacity:.55}
  .lhero .lgraph::after{background:linear-gradient(180deg,transparent 0%,color-mix(in srgb,var(--street) 70%,transparent) 45%,var(--street) 100%)}
  .lhero .copy{padding-top:160px}
}

/* ---------- the talk: one big player ---------- */
.feature-talk .lede{margin-bottom:0}
.vid.big{margin-top:26px;display:grid;gap:12px}
.vid.big .vtitle{font-size:clamp(1.6rem,4.4vw,3rem)}
.vid.big .vtag{font-size:.72rem}
.vid.big .vplay{width:64px;height:64px}
.vid.big .vplay::after{border-width:10px 0 10px 17px}
.vfoot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;align-items:baseline}

/* ---------- workshops and links ---------- */
.go{color:var(--teal);text-decoration:none;font-weight:600}
.go:hover{text-decoration:underline;text-underline-offset:4px}
.ws .meta .go{font-family:var(--body);font-size:.9rem;margin-top:6px}
.ws [hidden],.dates2 li[hidden]{display:none}
.dates2 li.is-ws .d{color:var(--teal)}
.block{padding-block:56px 8px}

/* ---------- the book band ---------- */
.bookband{position:relative;isolation:isolate}
.bookband .lgraph{position:absolute;inset:0 0 auto;height:220px;z-index:-1;opacity:.5;pointer-events:none;mask-image:linear-gradient(180deg,#000 30%,transparent)}
.bookband .blurb{color:var(--fog);margin:14px 0 0;max-width:60ch}
.ch1{margin-top:24px;padding:20px 22px;border:1px solid var(--rule);border-left:2px solid var(--light);background:var(--balcony);display:grid;gap:8px;justify-items:start;max-width:560px}
.ch1t{font-family:var(--display);font-size:1.7rem;line-height:1.1;margin:0}
.ch1d{margin:0 0 6px;color:var(--fog)}

/* ---------- reading progress ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:50;pointer-events:none}
.progress i{display:block;height:100%;background:var(--light);transform-origin:0 50%;transform:scaleX(0)}
body:not(.p-blueprint) .progress{display:none}

/* ================= the reader ================= */
.reader{--measure:66ch;padding-bottom:40px}
.opener{max-width:var(--measure);margin:40px auto 0;display:grid;gap:10px}
.book-line{font-family:var(--mono);font-size:.78rem;color:var(--fog);margin:0;letter-spacing:.02em}
.book-line a{color:var(--lace);text-decoration:none}
.book-line a:hover{text-decoration:underline}
.book-line span,.byline span{color:var(--light);padding-inline:4px}
.chnum{font-family:var(--display);font-size:clamp(5rem,16vw,9rem);line-height:.8;color:var(--light);margin:26px 0 0}
.opener h1{font-family:var(--display);font-weight:400;font-size:clamp(2.6rem,7vw,4.4rem);line-height:1.02;margin:0}
.opener h1 em{color:var(--teal)}
.byline{font-family:var(--mono);font-size:.76rem;color:var(--fog);margin:4px 0 0}
.toc{border-top:1px dotted var(--light);border-bottom:1px dotted var(--light);margin-top:22px;padding:14px 0}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.toc a{text-decoration:none;color:var(--fog)}
.toc a:hover{color:var(--lace)}
.reader-tools{display:flex;gap:10px}
.tool{font:500 .78rem var(--mono);background:none;border:1px solid var(--rule);color:var(--fog);border-radius:999px;padding:5px 12px;cursor:pointer}
.tool:hover{color:var(--lace);border-color:var(--fog)}

.text{max-width:var(--measure);margin:36px auto 0;font-size:1.14rem;line-height:1.78;hyphens:auto;-webkit-hyphens:auto;text-rendering:optimizeLegibility;font-kerning:normal}
.text > p{margin:0 0 1.15em}
.text > p:first-child::first-letter{font-family:var(--display);float:left;font-size:4.1em;line-height:.86;padding:.06em .1em 0 0;color:var(--light)}
.text h2{font-family:var(--display);font-weight:400;font-size:clamp(1.6rem,3.6vw,2.1rem);line-height:1.15;margin:2.2em 0 .7em;scroll-margin-top:24px;text-wrap:balance}
.text h2 em{color:inherit}
.text h2.summary{padding-top:1.2em;border-top:1px dotted var(--light)}
.text em{font-style:italic}
.text a{color:inherit}
.text sup{line-height:0}
.footnote-ref{text-decoration:none;color:var(--light)!important;font-family:var(--mono);font-size:.72em;padding:0 1px}
.footnote-ref sup{font-size:1em;vertical-align:super}
.footnote-ref:hover{text-decoration:underline}

/* pull quotes: the chapter's load-bearing lines */
.text .pull{font-family:var(--display);font-size:clamp(1.45rem,3vw,1.85rem);line-height:1.28;margin:1.3em 0 1.4em;padding:.1em 0 .1em 22px;border-left:2px solid var(--light);text-wrap:balance}
.text .beat{text-align:center;font-family:var(--display);font-size:1.5rem;margin:1.2em 0 1.4em}
.text .beat::before,.text .beat::after{content:"·";color:var(--light);padding-inline:14px}
.text .reveal-run{margin:1.6em 0 1.8em;padding:1.2em 0;border-block:1px solid var(--rule);text-align:center;font-family:var(--display);font-size:1.5rem;line-height:1.45}
.text .reveal-run p{margin:0}
.text .reveal-run em{color:var(--teal)}
.text .reveal{color:var(--red)}
.text blockquote.cite{margin:1.6em 0;padding:18px 22px;background:var(--balcony);border-left:2px solid var(--teal);font-size:1rem;line-height:1.65}
.text blockquote.cite p{margin:0 0 .8em}
.text blockquote.cite p:last-child{margin:0}
.text blockquote.cite strong{font-weight:600}
.text pre.code{font-family:var(--mono);font-size:.92rem;line-height:1.5;background:var(--balcony);border:1px solid var(--rule);padding:14px 18px;margin:0 0 1.15em;overflow-x:auto;hyphens:none}

/* figures: the manuscript art is black line on transparent, so it always sits on lace paper */
.text .fig{margin:2em 0;display:grid;gap:10px}
.text .fig img{width:100%;height:auto;background:#FBF8F2;border:1px solid var(--rule);padding:clamp(12px,3vw,26px);border-radius:2px}
.text .fig:first-of-type img{max-width:440px;justify-self:center}
.text .fig figcaption{font-family:var(--mono);font-size:.76rem;line-height:1.5;color:var(--fog)}
.text .fig figcaption::before{content:"fig. ";color:var(--light)}
.paper .text .fig img{background:#FFFDF8}
@media (prefers-color-scheme: dark){:root:not(.paper) .text .fig img{filter:brightness(.93)}}

/* endnotes */
.notes{border-top:1px solid var(--rule);margin-top:3em;padding-top:.6em;font-size:.86rem;line-height:1.6;color:var(--fog)}
.notes h2{font-size:1.3rem!important;margin-top:.6em!important}
.notes ol{padding-left:1.4em;margin:0}
.notes li{margin-bottom:.7em;scroll-margin-top:24px}
.notes li:target{color:var(--lace)}
.notes p{margin:0}
.notes a{color:var(--teal);word-break:break-word}
.notes .footnote-back{text-decoration:none;margin-left:6px;color:var(--light)}

/* footnote popover */
.fnpop{position:absolute;z-index:60;background:var(--balcony-2);color:var(--lace);border:1px solid var(--rule);border-top:2px solid var(--light);padding:14px 16px 12px;font-size:.88rem;line-height:1.55;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.fnpop .n{font-family:var(--mono);color:var(--light);margin-right:8px}
.fnpop p{display:inline;margin:0}
.fnpop a{color:var(--teal);word-break:break-word}
.fnpop .all{display:block;margin-top:8px;font-family:var(--mono);font-size:.72rem;text-decoration:none}

.after{max-width:var(--measure);margin:3.4em auto 0;padding-top:28px;border-top:1px dotted var(--light);display:grid;gap:10px}
.after h2{margin:0;font-size:clamp(1.8rem,4vw,2.4rem)}
.after h2 em{color:var(--teal)}
.after p{margin:0;color:var(--fog)}
.after .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}
@media (max-width:640px){.text{font-size:1.06rem;line-height:1.72}.text .pull{font-size:1.35rem}}

/* ---------- print: always paper ---------- */
@media print{
  :root{--street:#fff;--balcony:#F6F2EA;--balcony-2:#F6F2EA;--lace:#16181D;--fog:#44474d;--rule:#ccc;--teal:#127A75;--red:#B8321F;--light:#7A5C1C}
  body{padding:0;font-size:10.5pt}
  .site-head,footer.site,.progress,.reader-tools,.toc,.after .row,.skip,.fnpop{display:none!important}
  .opener{margin-top:0}
  .text{font-size:10.5pt;line-height:1.55;max-width:none}
  .text h2{break-after:avoid}
  .text .fig,.text .pull,.text blockquote,.reveal-run{break-inside:avoid}
  .text a{text-decoration:none}
  .footnote-ref{color:#7A5C1C!important}
  @page{margin:22mm 20mm}
}
@media (max-width:600px){
  .vid.big .vcopy{right:8%;top:10%}
  .vid.big .vtitle{font-size:1.5rem}
  .vid.big .vplay{width:46px;height:46px;bottom:9%}
  .vid.big .vplay::after{border-width:7px 0 7px 12px}
}

/* ---------- chapter figures drawn in the house diagram grammar (fig. D1 / SL-12 on paper) ---------- */
.text .fig.drawn{background:var(--balcony);border:1px solid var(--rule);padding:clamp(10px,3vw,26px);border-radius:2px}
.text .fig.drawn .scroll{overflow-x:auto}
.figsvg{display:block;width:100%;height:auto;min-width:500px;font-family:var(--body)}
.figsvg .f-ink{fill:none;stroke:var(--lace);stroke-width:1.8}
.figsvg .f-ink-fill{fill:var(--lace)}
.figsvg .f-teal{fill:none;stroke:var(--teal);stroke-width:2;stroke-dasharray:7 5}
.figsvg .f-teal-fill{fill:var(--teal)}
.figsvg .f-node{fill:var(--street);stroke:var(--light);stroke-width:1.8}
.figsvg .f-box{fill:var(--street);stroke:var(--lace);stroke-width:1.4}
.figsvg .f-rule{stroke:var(--light);stroke-width:1;stroke-dasharray:1 4;stroke-linecap:round}
.figsvg .f-doc{fill:var(--street);stroke:var(--light);stroke-width:1.5;stroke-linejoin:round}
.figsvg .f-docline{fill:none;stroke:var(--light);stroke-width:1.3}
.figsvg .f-lab{fill:var(--lace);font-size:15px;font-weight:500}
.figsvg .f-note{fill:var(--fog);font-family:var(--mono);font-size:12px}
.figsvg .f-mono{fill:var(--fog);font-family:var(--mono);font-size:12.5px}
.figsvg .f-mono-teal{fill:var(--teal)}