/* Trackingplan blog. Shared by /blog and every /blog/<slug>; linked after site.css.
   Pages are generated by scripts/import-post.py from scripts/blog-templates/. */

/* reading progress: a thin accent line at the very top */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--accent);z-index:12;transition:width .1s linear}

/* header: the post's generated figure as background (like the home modals' hero), title over a fade to paper */
.post-hero{position:relative;height:clamp(300px,34vw,460px);border-bottom:1px solid var(--rule);overflow:hidden;background:var(--paper)}
.post-hero canvas.fig{position:absolute;inset:0;width:100%;height:100%;display:block}
.ph-top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;padding-top:24px}
.ph-top .cap{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:var(--paper);padding:5px 8px}
.ph-in{position:absolute;left:0;right:0;bottom:0;padding:150px 0 30px;background:linear-gradient(to top,var(--paper) 0%,rgba(255,255,255,.94) 42%,transparent 100%);pointer-events:none}
.ph-in .wrap>*{pointer-events:auto}
.ph-intro{padding-top:26px}
.ph-intro .byline{margin-top:26px;padding-bottom:6px}
@media (max-width:760px){.post-hero{height:min(72vw,360px)}.ph-in{padding-top:110px}}
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px}
.crumb a{color:inherit}
.crumb a:hover{color:var(--ink)}
.crumb .ar{color:var(--accent)}
.post-hero .meta{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.post-hero .meta .eyebrow{color:var(--accent-ink)}
.post-hero .meta time,.post-hero .meta .n{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-3)}
.post-hero .h1{font-size:clamp(32px,4.2vw,56px);margin-top:14px;max-width:22ch;text-align:left}
.ph-intro .lede{max-width:60ch}
.byline{display:flex;align-items:center;gap:14px;margin-top:36px;font-size:14px}
.byline img{width:38px;height:38px;border-radius:2px;object-fit:cover;filter:grayscale(1);display:block;border:1px solid var(--rule)}
.byline b{font-weight:500;display:block;color:var(--ink)}
.byline small{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);display:block;margin-top:2px}
.byline .rt{margin-left:auto;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink-3);white-space:nowrap}
.byline .rt::before{content:"■ ";color:var(--accent);font-size:8px;vertical-align:1px}
@media (max-width:760px){.byline{flex-wrap:wrap}.byline .rt{margin-left:52px;width:100%}}

/* layout: article on the left axis, table of contents in the right gutter */
.post-lay{display:grid;grid-template-columns:minmax(0,700px) 240px;gap:72px;padding:40px 32px 48px;justify-content:space-between;align-items:start}
@media (max-width:1000px){.post-lay{grid-template-columns:minmax(0,700px);gap:40px;padding-top:40px}.toc{order:-1}}

/* table of contents */
.toc{position:sticky;top:84px;font-size:13.5px}
.toc .eyebrow{margin-bottom:14px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--rule)}
.toc li a{display:flex;gap:10px;padding:6px 0 6px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--ink-3);line-height:1.4;transition:color .15s,border-color .15s}
.toc li a:hover{color:var(--ink)}
.toc li a.on{color:var(--ink);border-left-color:var(--accent)}
.toc li a i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-3);padding-top:2px;flex:0 0 auto}
.toc li a.on i{color:var(--accent-ink)}
.toc .card{margin-top:32px;border:1px solid var(--rule);padding:18px 18px 16px;display:grid;gap:10px}
.toc .card b{font-weight:500;font-size:15px;line-height:1.3;letter-spacing:-0.01em}
.toc .card p{font-size:13.5px;color:var(--ink-2);line-height:1.5}
.toc .card .btn{justify-self:start;padding:9px 14px;font-size:12.5px;margin-top:4px}
@media (max-width:1000px){.toc{position:static;border:1px solid var(--rule);padding:18px 20px}.toc ol{border-left:0;display:grid;gap:0}.toc li a{padding:5px 0;border-left:0;margin:0}.toc .card{display:none}}

/* article body: rich text from the CMS */
.prose{font-size:18px;line-height:1.65;color:var(--ink-2);counter-reset:sec fig;min-width:0}
.prose>*+*{margin-top:1.1em}
.prose strong{color:var(--ink);font-weight:500}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1.5px}
.prose a:hover{color:var(--accent-ink)}
.prose h2{font-size:clamp(24px,2.6vw,32px);line-height:1.15;color:var(--ink);margin-top:2.4em;padding-top:1.1em;border-top:1px solid var(--rule);counter-increment:sec;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline;text-wrap:balance}
.prose h2::before{content:counter(sec,decimal-leading-zero);font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--accent-ink);font-weight:500}
.prose h3{font-size:20px;line-height:1.3;color:var(--ink);margin-top:2em;font-weight:500}
.prose h2+*,.prose h3+*{margin-top:.75em}
.prose h2+h3{margin-top:1.2em}
.prose code{font-family:var(--mono);font-size:.85em;background:var(--code-bg);padding:1px 5px;border-radius:2px;color:var(--ink);overflow-wrap:anywhere}
.prose pre{font-family:var(--mono);font-size:13.5px;line-height:1.7;background:var(--code-bg);border:1px solid var(--rule);border-radius:3px;padding:18px 20px;overflow-x:auto;color:var(--ink-2)}
.prose pre code{background:none;padding:0;font-size:inherit;color:inherit}
.prose ul,.prose ol{list-style:none;margin-left:0;padding:0;display:grid;gap:.55em}
.prose li{position:relative;padding-left:24px}
.prose ul>li::before{content:"";position:absolute;left:3px;top:calc(.825em - 3px);width:6px;height:6px;background:var(--accent)}  /* a drawn square, centred on the first line: em resolves against the item's font size, not the marker's */
.prose ol{counter-reset:li}
.prose ol>li{counter-increment:li;padding-left:36px}
.prose ol>li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.41em;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--accent-ink);font-weight:500}
.prose li>p{margin:0}
.prose li>p+p,.prose li>ul,.prose li>ol{margin-top:.5em}
.prose blockquote{margin:1.6em 0;padding:18px 22px;border:1px solid var(--rule);border-left:3px solid var(--accent);background:repeating-linear-gradient(135deg,transparent 0 7px,var(--rule-soft) 7px 8px),var(--paper);color:var(--ink);font-size:17px;line-height:1.55}
.prose blockquote p+p{margin-top:.6em}
.prose hr{border:0;border-top:1px solid var(--rule);margin:2.6em 0}
.prose figure{margin:2em 0;counter-increment:fig}
.prose figure img{width:100%;height:auto;display:block;border:1px solid var(--rule);filter:grayscale(1) contrast(1.05)}
.prose figcaption{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-top:10px;line-height:1.5}
.prose figcaption::before{content:"fig. " counter(fig,decimal-leading-zero) " · ";color:var(--ink)}
.prose img{max-width:100%;height:auto}
.prose .tbl{overflow-x:auto;margin:2em 0;border:1px solid var(--rule);scrollbar-width:thin;scrollbar-color:var(--rule) transparent}
.prose table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px;line-height:1.45}
.prose th{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500;text-align:left;padding:12px 14px;border-bottom:1px solid var(--ink);background:var(--paper-2);white-space:nowrap}
.prose td{padding:12px 14px;border-bottom:1px solid var(--rule-soft);vertical-align:top;color:var(--ink-2)}
.prose tr:last-child td{border-bottom:0}
.prose td strong{color:var(--ink)}
.prose td code,.prose th code{font-size:12.5px}
@media (max-width:760px){.prose{font-size:17px}.prose h2{margin-top:2em}.prose blockquote{padding:14px 16px}}

/* end of the article: author card and share */
.post-end{margin-top:56px;border-top:1px solid var(--rule);padding-top:28px;display:grid;grid-template-columns:1fr auto;gap:24px 40px;align-items:start}
.author-card{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start}
.author-card img{width:52px;height:52px;object-fit:cover;border-radius:2px;filter:grayscale(1);display:block;border:1px solid var(--rule)}
.author-card b{font-weight:500;color:var(--ink);display:block}
.author-card small{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);display:block;margin-top:2px}
.author-card p{font-size:14.5px;color:var(--ink-2);margin-top:8px;line-height:1.5;max-width:52ch}
.share{display:flex;gap:8px;flex-wrap:wrap}
.share .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);width:100%;margin-bottom:2px}
.share a,.share button{font:inherit;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;border:1px solid var(--rule);padding:7px 10px;border-radius:2px;color:var(--ink-2);background:var(--paper);cursor:pointer;transition:border-color .15s,color .15s}
.share a:hover,.share button:hover{border-color:var(--ink);color:var(--ink)}
.share button.done{border-color:var(--accent);color:var(--accent-ink)}
@media (max-width:760px){.post-end{grid-template-columns:1fr}}

/* post list: /blog and "read next" */
.plist{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.plist li{border-bottom:1px solid var(--rule)}
.plist a{display:grid;grid-template-columns:220px 1fr;gap:36px;padding:32px 0;align-items:start}
.plist .thumb{position:relative;display:block;height:132px;border-color:var(--rule);transition:border-color .2s}
.plist a:hover .thumb{border-color:var(--ink)}
.plist .thumb .k{position:absolute;left:10px;bottom:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:var(--paper);padding:3px 6px}
.plist .meta{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink-3)}
.plist .meta .eyebrow{color:var(--accent-ink);font-size:11.5px}
.plist h3{font-size:clamp(21px,2.1vw,27px);line-height:1.18;margin-top:12px;letter-spacing:-0.02em;color:var(--ink);transition:color .15s}
.plist h3::after{content:" →";color:var(--accent);opacity:0;transition:opacity .15s}
.plist a:hover h3::after{opacity:1}
.plist p{color:var(--ink-2);margin-top:10px;font-size:15.5px;line-height:1.5;max-width:64ch}
.plist .by{margin-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}
.plist .by b{color:var(--ink);font-weight:500}
@media (max-width:760px){.plist a{grid-template-columns:1fr;gap:16px;padding:24px 0}.plist .thumb{height:110px}}

/* /blog header and list */
.blog-hero{height:auto;padding:64px 0 48px;isolation:isolate}
.blog-hero>.wrap{position:relative;z-index:1}
.blog-hero .meta{margin-top:40px}
.blog-hero .h1{max-width:16ch}
.blog-hero .lede{margin-top:20px}
.blog-list{padding:56px 0 96px}
.blog-list .head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:22px}
.blog-list .head .eyebrow{color:var(--ink)}
.blog-list .head .n{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink-3)}
.next{padding:64px 0 32px}
.next .head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:22px}
.next .head .eyebrow{color:var(--ink)}
.next .head a{font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.next .head a:hover{color:var(--ink)}

/* final CTA on blog pages keeps the home's section, only tighter */
.post .final{padding:104px 0}

/* pagination under a list */
.pager{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:28px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-3)}
.pager a{color:var(--ink);border:1px solid var(--rule);padding:8px 12px;border-radius:2px}
.pager a:hover{border-color:var(--ink)}
.pager .off{opacity:.35;padding:8px 12px}
.post-hero .meta a.eyebrow:hover,.byline b a:hover{color:var(--ink)}

/* category chips over a list */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:-6px 0 22px}
.chips a{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;border:1px solid var(--rule);padding:6px 10px;border-radius:2px;color:var(--ink-2);transition:border-color .15s,color .15s}
.chips a i{font-style:normal;color:var(--ink-3);margin-left:4px}
.chips a:hover{border-color:var(--ink);color:var(--ink)}
.chips a.on{border-color:var(--ink);color:var(--ink);background:var(--paper-2)}
/* the photos are black and white until the pointer is on them */
.byline img,.prose figure img,.author-card img{transition:filter .3s}
.byline img:hover,.prose figure:hover img,.author-card:hover img{filter:none}