/* Blueprint: cool dotted paper, navy ink, one orange signal colour, and an accent blue (--cobalt) sampled from the
   woodblock print of the sleeping cat in the contact band.
   Schibsted Grotesk for headings, Newsreader for reading, Martian Mono for labels and numbers. */

:root {
  --paper: #f2f5fa; --card: #ffffff; --ink: #0e1a2b; --body: #33425a; --soft: #6b7a92; --rule: #cfd8e6;
  --cobalt: #35527e; --cobalt-soft: #e3e9f3; --signal: #ff6433; --signal-soft: #fff3ee;
  --dot: #c3cfe2; --header: rgba(242, 245, 250, .88); --block: #0e1a2b; --on-block: #ffffff; --pre-ink: #d6e0f5; --code-ink: #26395a;
  --bad: #d4301a; --ok: #0c8a4d; --media: #151a24;
  --display: "Schibsted Grotesk", system-ui, sans-serif;
  --read: "Newsreader", Georgia, serif;
  --mono: "Martian Mono", ui-monospace, Menlo, monospace;
  --off: clamp(0px, 12vw, 11rem);   /* left offset of the reading column on a post */
  --chart-grid: #dbe2ee; --chart-text: #6b7a92; --chart-fill: rgba(53, 82, 126, .09);
  --chart-line: #35527e; --chart-dot: #fff; --chart-label: #0e1a2b;
}

/* dark theme: set by the toggle in the header (data-theme on <html>, remembered in localStorage) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #151515; --card: #1d1d1d; --ink: #f1f1f1; --body: #bdbdbd; --soft: #8b8b8b; --rule: #303030;
  --cobalt: #8fb0e6; --cobalt-soft: rgba(143, 176, 230, .15); --signal: #ff8a5c; --signal-soft: rgba(255, 138, 92, .12);
  --dot: #262626; --header: rgba(21, 21, 21, .86); --block: #262626; --on-block: #f1f1f1; --media: #0e0e0e; --pre-ink: #d6e0f5; --code-ink: #c5d6f3;
  --bad: #ff7a66; --ok: #4fd19a;
  --chart-grid: #303030; --chart-text: #8b8b8b; --chart-fill: rgba(143, 176, 230, .13); --chart-line: #8fb0e6; --chart-dot: #1d1d1d; --chart-label: #f1f1f1;
}
:root[data-theme="dark"] .demo, :root[data-theme="dark"] .hero { --accent-text: color-mix(in srgb, var(--accent) 45%, #ffffff); }
:root[data-theme="dark"] pre { background: #0d0d0d; border: 1px solid var(--rule); box-shadow: 6px 6px 0 var(--cobalt-soft); }
:root[data-theme="dark"] .hero-img img, :root[data-theme="dark"] .thumb img, :root[data-theme="dark"] .reach img { filter: brightness(.92); }
:root[data-theme="dark"] .btn:hover, :root[data-theme="dark"] .feature:hover, :root[data-theme="dark"] .totop { box-shadow: 4px 4px 0 var(--cobalt); }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  transition: background-color .35s ease, color .35s ease;
  margin: 0; color: var(--ink); font: 400 17px/1.6 var(--display); -webkit-font-smoothing: antialiased;
  background: radial-gradient(circle, var(--dot) 1px, transparent 1.2px) 0 0/22px 22px, var(--paper);
}
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }
::selection { background: var(--cobalt); color: #fff; }
.wrap, .bar, .hero-in { width: min(1160px, 100% - 48px); margin: 0 auto; }
[id] { scroll-margin-top: 92px; }

/* ---------------------------------------------------------------- header */
.site { position: sticky; top: 0; z-index: 9; background: var(--header); backdrop-filter: blur(14px); border-bottom: 1px solid var(--rule); }
.bar { display: flex; align-items: center; gap: 28px; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.mark { width: 30px; height: 30px; display: grid; place-items: center; font: 500 10px var(--mono); color: #fff; background: var(--cobalt); position: relative; }
.mark::after { content: ""; position: absolute; inset: -5px; border: 1px solid var(--cobalt); opacity: .35; }
.site nav { display: flex; gap: 26px; margin-left: auto; font: 400 12px var(--mono); }
.site nav a { text-decoration: none; color: var(--soft); padding: 6px 0; background: linear-gradient(var(--cobalt), var(--cobalt)) 0 100%/0 2px no-repeat; transition: background-size .25s ease, color .2s; }
.site nav a:hover, .site nav a.on { color: var(--ink); background-size: 100% 2px; }

.btn { display: inline-flex; align-items: center; gap: 10px; font: 500 12px var(--mono); text-decoration: none; padding: 13px 18px; border: 1px solid var(--ink); background: var(--card); transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--cobalt); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.contact { padding: 10px 14px; }
.theme { width: 38px; height: 38px; display: grid; place-items: center; padding: 0; border: 1px solid var(--rule); background: var(--card); color: var(--ink); cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s; }
.theme:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--cobalt); border-color: var(--ink); }
.theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s cubic-bezier(.3, 1.4, .5, 1); }
.theme:active svg { transform: rotate(40deg) scale(.85); }
.theme .moon, :root[data-theme="dark"] .theme .sun { display: none; }
:root[data-theme="dark"] .theme .moon { display: block; }

/* ---------------------------------------------------------------- home: hero */
.hero { --accent: var(--signal); --accent-text: var(--accent); padding: 60px 0 64px; border-bottom: 1px solid var(--rule); }
.hero.about { padding: 76px 0 84px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 72px; align-items: center; }
.hero.about .hero-in { align-items: start; }
.about-side { display: flex; flex-direction: column; gap: 40px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 26px; font: 400 11.5px var(--mono); color: var(--soft); text-transform: uppercase; letter-spacing: .12em; }
.kicker i { width: 9px; height: 9px; background: var(--signal); }
.hero h1 { margin: 0; font-size: clamp(1.8rem, 2.9vw, 2.45rem); line-height: 1.08; letter-spacing: -.045em; font-weight: 800; text-wrap: balance; }
.lede { margin: 24px 0 0; max-width: 34em; font: 400 1.38rem/1.55 var(--read); color: var(--body); }
.lede strong { font-weight: 600; color: var(--ink); }
.lede a { color: var(--ink); text-decoration-color: var(--cobalt); text-decoration-thickness: 2px; text-underline-offset: 4px; transition: color .2s; }
.lede a:hover { color: var(--cobalt); }
.lede + .lede { margin-top: 14px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 56px; border-top: 2px solid var(--ink); }
.stats a { display: flex; flex-direction: column; gap: 8px; padding: 22px 28px 4px; text-decoration: none; border-left: 1px dashed var(--rule); transition: background .25s; }
.stats a:nth-child(3n + 1) { padding-left: 0; border-left: 0; }
.stats a:nth-child(n + 4) { margin-top: 18px; padding-top: 22px; border-top: 1px dashed var(--rule); }
.stats b { font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.05; letter-spacing: -.04em; font-weight: 800; background: linear-gradient(var(--cobalt), var(--cobalt)) 0 100%/0 3px no-repeat; transition: background-size .3s; align-self: flex-start; padding-bottom: 3px; }
.stats a:hover b { background-size: 100% 3px; }
.stats span { font: 400 11.5px/1.6 var(--mono); color: var(--soft); max-width: 30em; }

.now { position: relative; background: var(--card); border: 1px solid var(--ink); padding: 22px 24px 8px; }
.now::before, .now::after { content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--signal); }
.now::before { top: -7px; left: -7px; border-right: 0; border-bottom: 0; }
.now::after { bottom: -7px; right: -7px; border-left: 0; border-top: 0; }
.now-k { margin: 0 0 14px; font: 500 10.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt); }
.now ul { list-style: none; margin: 0; padding: 0; }
.now li { padding: 13px 0; border-top: 1px dashed var(--rule); }
.now b { display: block; font-weight: 700; }
.now a { display: block; text-decoration: none; transition: transform .25s cubic-bezier(.2, .7, .2, 1); }
.now a b { display: inline; background: linear-gradient(var(--cobalt), var(--cobalt)) 0 100%/0 2px no-repeat; transition: background-size .3s; padding-bottom: 2px; }
.now a b::after { content: " \2192"; color: var(--cobalt); font-weight: 500; }
.now a span { display: block; }
.now a:hover { transform: translateX(4px); }
.now a:hover b { background-size: 100% 2px; }
.now span { font: 400 12px/1.55 var(--mono); color: var(--soft); }

/* ---------------------------------------------------------------- home: sections */
.sec { padding: 72px 0 0; }
.sec:last-of-type { padding-bottom: 96px; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 12px 48px; align-items: end; margin-bottom: 34px; padding-bottom: 18px; border-bottom: 2px solid var(--ink); }
.sec-head h2 { margin: 0; font-size: 2.2rem; line-height: 1.05; letter-spacing: -.04em; font-weight: 800; }
.sec-head p { margin: 0; font: 400 1.08rem/1.5 var(--read); color: var(--body); }

.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.feature { display: flex; flex-direction: column; text-decoration: none; background: var(--card); border: 1px solid var(--ink); transition: transform .2s, box-shadow .2s; }
.feature:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--cobalt); }
.media { display: flex; justify-content: center; align-items: center; gap: 14px; height: 300px; padding: 22px; background: var(--media); border-bottom: 1px solid var(--ink); }
.media img { flex: 0 1 auto; min-width: 0; width: auto; height: auto; max-height: 100%; max-width: calc(50% - 7px); image-rendering: pixelated; }
.feature-body { display: flex; flex-direction: column; gap: 12px; padding: 26px 28px 28px; flex: 1; }
.pm { display: flex; flex-wrap: wrap; gap: 6px 14px; font: 400 11px var(--mono); color: var(--soft); }
.pm em { font-style: normal; }
.pm em.live { color: var(--signal); }
.feature h3, .row h3 { margin: 0; font-size: 1.55rem; line-height: 1.12; letter-spacing: -.035em; font-weight: 800; }
.feature h3 span, .row h3 a { background: linear-gradient(var(--cobalt), var(--cobalt)) 0 100%/0 3px no-repeat; transition: background-size .3s; padding-bottom: 3px; text-decoration: none; }
.feature:hover h3 span, .row:hover h3 a { background-size: 100% 3px; }
.feature p, .row p { margin: 0; font: 400 1.08rem/1.55 var(--read); color: var(--body); }
.result { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--rule); font: 400 11.5px/1.6 var(--mono); color: var(--soft); }
.result b { color: var(--ink); font-weight: 500; }

.rows { margin-top: 28px; }
.row { display: grid; grid-template-columns: 190px minmax(0, 1fr) 240px; gap: 12px 36px; padding: 30px 0; border-top: 1px solid var(--rule); }
.row:last-child { border-bottom: 1px solid var(--rule); }
.row .row-side { display: flex; flex-direction: column; gap: 12px; }
.thumb { display: block; line-height: 0; border: 1px solid var(--ink); transition: transform .2s, box-shadow .2s; }
.thumb img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.row:hover .thumb { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--cobalt); }
.row .pm { flex-direction: row; gap: 4px 12px; }
.row .main { display: flex; flex-direction: column; gap: 10px; }
.row .result { margin: 0; padding: 4px 0 0 20px; border-top: 0; border-left: 1px dashed var(--rule); }

.pubs { list-style: none; margin: 0; padding: 0; counter-reset: pub; }
.pubs li { counter-increment: pub; display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 8px 36px; padding: 24px 0; border-top: 1px solid var(--rule); }
.pubs li:last-child { border-bottom: 1px solid var(--rule); }
.pubs li::before { content: "[" counter(pub) "]"; font: 500 11px var(--mono); color: var(--signal); padding-top: 6px; }
.pubs .t { font-weight: 700; font-size: 1.15rem; line-height: 1.3; letter-spacing: -.02em; }
.pubs .m { margin-top: 6px; font: 400 1.02rem/1.5 var(--read); color: var(--body); }
.pubs .l { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { font: 400 11px var(--mono); text-decoration: none; padding: 5px 10px; border: 1px solid var(--rule); background: var(--card); color: var(--body); transition: border-color .2s, color .2s; }
a.chip:hover { border-color: var(--cobalt); color: var(--cobalt); }

.cv { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.cv article { padding: 4px 26px 8px; border-left: 1px solid var(--rule); }
.cv article:first-child { padding-left: 0; border-left: 0; }
.cv .when { font: 500 11px var(--mono); color: var(--signal); }
.cv h3 { margin: 10px 0 2px; font-size: 1.3rem; letter-spacing: -.03em; font-weight: 800; }
.cv .role { margin: 0 0 10px; font: 400 12px var(--mono); color: var(--soft); }
.cv p { margin: 0; font: 400 1.05rem/1.55 var(--read); color: var(--body); }

.reach { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); background: var(--card); border: 1px solid var(--ink); box-shadow: 10px 10px 0 var(--cobalt); }
.reach img { display: block; width: 100%; height: 100%; min-height: 260px; object-fit: cover; border-right: 1px solid var(--ink); }
.reach > div { display: flex; flex-direction: column; justify-content: center; gap: 16px; padding: 40px 44px; }
.reach h2 { margin: 0; font-size: 2.2rem; line-height: 1.05; letter-spacing: -.04em; font-weight: 800; }
.reach p { margin: 0; font: 400 1.15rem/1.55 var(--read); color: var(--body); }
.reach .actions { margin-top: 6px; }

/* ---------------------------------------------------------------- project pages */
.demo { --accent: var(--signal); --accent-text: var(--accent); padding: 70px 0 96px; }
.demo > .wrap { width: min(1280px, 100% - 48px); }
.crumb { display: inline-block; margin: 0 0 30px; font: 400 11.5px var(--mono); color: var(--soft); text-decoration: none; }
.crumb:hover { color: var(--cobalt); }
.post-head { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 34px 64px; align-items: end; margin: 0 0 56px; }
.toc { grid-column: 1 / -1; }
.hero-img { position: relative; margin: 0 10px 10px 0; }
.hero-img img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid var(--ink); box-shadow: 10px 10px 0 var(--accent); }
.hero-img::before, .hero-img::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--ink); z-index: 1; }
.hero-img::before { top: -9px; left: -9px; border-right: 0; border-bottom: 0; }
.hero-img::after { top: -9px; right: -9px; border-left: 0; border-bottom: 0; }
.hero-img figcaption { margin-top: 20px; font-size: 10.5px; }
.eyebrow { display: inline-block; margin: 0 0 22px; padding: 6px 10px; font: 500 10.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #fff; background: var(--accent); }
.post-title { margin: 0; font-size: clamp(2.1rem, 4.4vw, 3.4rem); line-height: 1.04; letter-spacing: -.045em; font-weight: 800; text-wrap: balance; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 30px 0 0; padding-top: 16px; border-top: 1px solid var(--rule); font: 400 11.5px var(--mono); color: var(--soft); }
.meta span:first-child { color: var(--ink); }
.meta a { color: var(--cobalt); text-underline-offset: 4px; }
.toc { display: none; flex-wrap: wrap; gap: 6px; }

.post-grid { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 64px; align-items: start; }
.post-body { min-width: 0; }
.post-body > * { max-width: 44rem; }
.post-body > .fig, .post-body > .tablewrap.wide { max-width: 56rem; }
.post-body > .fig.wide { max-width: none; }

.side { position: sticky; top: 94px; max-height: calc(100vh - 118px); overflow: auto; scrollbar-width: none; padding: 4px 2px 8px 0; }
.side::-webkit-scrollbar { display: none; }
.js .side { opacity: 0; transform: translateX(-16px); transition: opacity .6s ease .15s, transform .6s cubic-bezier(.2, .7, .2, 1) .15s; }
.js .side.ready { opacity: 1; transform: none; }
.side-k { display: flex; justify-content: space-between; margin: 0 0 10px; font: 500 10.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--soft); }
.side-pct { color: var(--accent-text); letter-spacing: .04em; }
.side-bar { height: 2px; margin-bottom: 18px; background: var(--rule); }
.side-bar i { display: block; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s linear; }
.side-list { position: relative; list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 1px solid var(--rule); }
.side-list ol { list-style: none; margin: 0; padding: 0; }
.side-ind { position: absolute; left: -2px; top: 0; width: 3px; height: 24px; background: var(--accent); opacity: 0; transition: transform .45s cubic-bezier(.3, 1.2, .4, 1), height .3s ease, opacity .3s; }
.side-list a { display: flex; gap: 10px; padding: 7px 0; text-decoration: none; font-size: 14px; line-height: 1.35; font-weight: 500; color: var(--soft); transition: color .25s, transform .3s cubic-bezier(.2, .7, .2, 1); }
.side-list a:hover { color: var(--ink); transform: translateX(3px); }
.side-list a.on { color: var(--ink); font-weight: 700; }
.sn { flex: none; padding-top: 2px; font: 500 10.5px var(--mono); color: var(--rule); transition: color .25s; }
.side-list a.on .sn, .side-list a:hover .sn { color: var(--accent-text); }
.sub { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows .38s cubic-bezier(.2, .7, .2, 1), opacity .3s; }
.sub > ol { overflow: hidden; min-height: 0; padding-left: 27px; }
.open > .sub { grid-template-rows: 1fr; opacity: 1; }
.sub a { padding: 5px 0; font-size: 13px; font-weight: 400; }
.sub a.on { font-weight: 600; color: var(--accent-text); }
.side-top { display: inline-block; margin: 20px 0 0 14px; font: 400 11px var(--mono); color: var(--soft); text-decoration: none; transition: color .2s; }
.side-top::before { content: "\2191  "; }
.side-top:hover { color: var(--accent-text); }
.post-body p, .post-body li { font: 400 1.2rem/1.7 var(--read); color: var(--body); }
.post-body p { margin: 0 0 1.3rem; }
.post-body ul, .post-body ol { margin: 0 0 1.4rem; padding-left: 1.3rem; }
.post-body li { margin-bottom: .55rem; }
.post-body li::marker { color: var(--accent-text); font-family: var(--mono); font-size: .8em; }
.post-body a { color: var(--cobalt); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.post-body strong { color: var(--ink); font-weight: 500; }
.post-body h2 { position: relative; margin: 3.6rem 0 1.1rem; font-size: 1.95rem; line-height: 1.1; letter-spacing: -.04em; font-weight: 800; }
.post-body h3 { margin: 2.2rem 0 .6rem; font-size: 1.28rem; line-height: 1.2; letter-spacing: -.025em; font-weight: 700; }
.num { position: absolute; right: calc(100% + 26px); top: .6em; font: 500 11px var(--mono); color: var(--accent-text); letter-spacing: .1em; }

.tldr { position: relative; background: var(--card); border: 1px solid var(--ink); padding: 24px 28px 8px; margin-bottom: 3rem; }
.tldr::before { content: ""; position: absolute; top: -7px; left: -7px; width: 14px; height: 14px; border: 2px solid var(--accent); border-right: 0; border-bottom: 0; }
.tk { margin: 0 0 12px !important; font: 500 10.5px var(--mono) !important; letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt) !important; }
.tldr p { font-size: 1.13rem; line-height: 1.65; }

.fig { margin: 2.6rem 0; }
.post-body > .fig.text { max-width: 44rem; }
.plate { position: relative; background: var(--card); border: 1px solid var(--ink); padding: 26px; }
.plate::before, .plate::after { content: ""; position: absolute; width: 16px; height: 16px; border: 2px solid var(--cobalt); }
.plate::before { top: -8px; right: -8px; border-left: 0; border-bottom: 0; }
.plate::after { bottom: -8px; left: -8px; border-right: 0; border-top: 0; }
.plate svg { display: block; width: 100%; height: auto; }
figcaption { margin-top: 14px; max-width: 60rem; font: 400 12px/1.65 var(--mono); color: var(--soft); }
figcaption b { color: var(--cobalt); font-weight: 500; margin-right: 8px; }
figcaption code { font-size: 1em; }

.frames { display: grid; grid-template-columns: repeat(2, minmax(0, 360px)); justify-content: center; gap: 28px; }
.frame { background: var(--media); line-height: 0; }
.frame img { display: block; width: 100%; height: auto; image-rendering: pixelated; }
.frame.pad { padding: 16px; }
.cap { display: block; margin-top: 8px; font: 400 11px/1.4 var(--mono); color: var(--soft); text-align: center; }

.grids { display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-start; gap: 14px 18px; }
.g { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 0; }
.g img { max-height: 19rem; width: auto; max-width: 100%; height: auto; image-rendering: pixelated; }
.g.small { width: 10.5rem; }
.g.small img { max-height: 11rem; }
.n3 .g img { max-height: 15.5rem; }
.n4 .g img { max-height: 11.5rem; }
.g span { width: 0; min-width: 100%; font: 400 11px/1.5 var(--mono); color: var(--soft); text-align: center; }
.g span b { color: var(--ink); font-weight: 500; }
.g span b.bad { color: var(--bad); }
.g span b.ok { color: var(--ok); }
.to { align-self: center; padding-bottom: 2rem; color: var(--cobalt); font: 500 1.1rem var(--mono); }

.refs { padding-left: 2.2rem !important; counter-reset: ref; list-style: none; }
.refs li { position: relative; counter-increment: ref; font-size: 1.05rem !important; line-height: 1.6 !important; scroll-margin-top: 110px; }
.refs li::before { content: "[" counter(ref) "]"; position: absolute; left: -2.2rem; top: .2em; font: 500 11px var(--mono); color: var(--accent-text); }
.refs li:target { background: var(--cobalt-soft); box-shadow: -2.4rem 0 0 var(--cobalt-soft), .6rem 0 0 var(--cobalt-soft); }
.refs a { word-break: break-word; }
/* with / without player */
.cmp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; }
.cmp-h { display: flex; flex-direction: column; gap: 2px; margin: 0 0 12px !important; max-width: none !important; }
.cmp-h b { font: 700 1.15rem/1.2 var(--display); letter-spacing: -.02em; color: var(--ink); }
.cmp-h span { font: 400 11.5px/1.5 var(--mono); color: var(--soft); }
.cmp-screen { position: relative; line-height: 0; background: var(--media); border: 1px solid var(--ink); }
.cmp-screen canvas { display: block; width: 100%; aspect-ratio: 1; }
.cmp-badge { position: absolute; left: 10px; top: 10px; padding: 7px 10px; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #fff; opacity: 0; transform: translateY(-6px); transition: opacity .35s, transform .45s cubic-bezier(.3, 1.4, .5, 1); }
.cmp-side.done .cmp-badge, .cmp-side.up .cmp-badge { opacity: 1; transform: none; }
.cmp-side.up .cmp-badge { background: #0c7a44; }
.cmp-side.done .cmp-badge { background: #b3261e; }
.cmp-side.won .cmp-badge { background: #0c7a44; }
.cmp-stats { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 0 !important; max-width: none !important; font: 400 11.5px var(--mono) !important; color: var(--soft) !important; }
.cmp-stats b { color: var(--ink); font-weight: 500; font-size: 13px; }
.cmp-eff { flex-basis: 100%; min-height: 1.5em; }
.cmp-eff[data-kind="miss"] { color: var(--bad); } .cmp-eff[data-kind="hit"] { color: var(--ink); } .cmp-eff[data-kind="win"] { color: var(--ok); }
.cmp-k { margin: 16px 0 6px !important; font: 500 10.5px var(--mono) !important; letter-spacing: .1em; text-transform: uppercase; color: var(--soft) !important; }
.cmp-say { margin: 0 !important; min-height: 8.2em; max-width: none !important; padding-left: 14px; border-left: 2px solid var(--rule); font: italic 400 1.02rem/1.5 var(--read) !important; color: var(--body) !important; }
.cmp-ctrl { display: flex; align-items: center; gap: 10px; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--rule); }
.cmp-ctrl .btn { cursor: pointer; font-family: var(--mono); color: var(--ink); } .cmp-speed { min-width: 46px; justify-content: center; }
.cmp-ctrl .btn.primary { min-width: 92px; justify-content: center; color: var(--paper); }
.cmp-range { flex: 1; min-width: 80px; accent-color: var(--cobalt); }
.cmp-count { font: 400 11.5px var(--mono); color: var(--soft); white-space: nowrap; min-width: 9.5em; text-align: right; }
.cmp:not(.ready) .cmp-grid { opacity: .4; }

/* completed games: replay on the left, what the harness did on the right */
.game-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 34px; padding: 22px 20px 24px; border-top: 1px dashed var(--rule); }
.game .cmp-ctrl { flex-wrap: wrap; margin-top: 16px; padding-top: 14px; }
.game .cmp-range { flex-basis: 100%; order: 9; }
.game .cmp-count { margin-left: auto; }
.game .cmp-say { min-height: 9.5em; font-size: .98rem !important; }
.cmp-name { color: var(--ink); }
.cmp-side.miss .cmp-screen { outline: 3px solid var(--signal); outline-offset: 2px; }
.cmp-side.miss .cmp-eff { color: var(--signal); }
.game-notes h4 { margin: 0 0 6px; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); }
.game-notes h4:not(:first-child) { margin-top: 20px; }
.game-notes p, .game-notes li { margin: 0 !important; font: 400 1.02rem/1.55 var(--read) !important; color: var(--body); max-width: none; }
.game-notes ul { margin: 0 !important; padding-left: 1.1rem !important; }
.game-notes li { margin-bottom: 5px !important; }
.game-duck { margin-top: 10px !important; font: 400 11.5px/1.5 var(--mono) !important; color: var(--soft) !important; }
.game-note { margin-top: 12px !important; padding-left: 12px; border-left: 2px solid var(--signal); }
.game-notes .bars { margin-top: 4px; }
.game-notes .bars-key { flex-wrap: wrap; gap: 6px 8px; margin-top: 12px !important; font: 400 11.5px/1.5 var(--mono) !important; color: var(--soft) !important; }

/* scoreboard: every public game, one square per level */
.post-body > .board-wrap { max-width: none; }
.board-wrap { margin: 2rem 0; overflow-x: auto; background: var(--card); border: 1px solid var(--ink); box-shadow: 8px 8px 0 var(--cobalt-soft); }
.board { width: 100%; min-width: 820px; border-collapse: collapse; font-size: 1rem; }
.board thead th { padding: 14px 12px 12px; background: none; color: var(--ink); text-align: left; font: 700 .95rem/1.25 var(--display); letter-spacing: -.01em; text-transform: none; border-bottom: 2px solid var(--ink); white-space: normal; }
.board thead th em { display: block; max-width: 22em; margin-top: 3px; font: 400 10.5px/1.4 var(--mono); font-style: normal; color: var(--soft); letter-spacing: 0; }
.board thead th + th, .board td { border-left: 1px dashed var(--rule); }
.board thead th.b-num { text-align: right; }
.board tbody th { padding: 11px 8px 11px 14px; text-align: left; font-weight: 400; white-space: normal; background: none; color: inherit; text-transform: none; letter-spacing: 0; border-top: 1px solid var(--rule); }
.board tbody th .st { white-space: nowrap; }
.board tbody th code { margin-right: 8px; font-size: .86rem; }
.b-tog { display: block; margin: 8px 0 0; padding: 0; border: 0; background: none; cursor: pointer; text-align: left; font: 700 .9rem/1.25 var(--display); letter-spacing: -.015em; color: var(--ink); }
.b-tog::after { content: " +"; font: 400 12px var(--mono); color: var(--soft); }
.b-tog[aria-expanded="true"]::after { content: " \2212"; }
.b-tog:hover { color: var(--cobalt); }
.js .b-tog { text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 4px; }
.b-desc td { padding: 0 16px 16px !important; border-top: 0 !important; border-left: 0 !important; }
.b-desc p { margin: 0 !important; max-width: 60rem; padding: 12px 16px; background: var(--paper); border-left: 3px solid var(--accent); font: 400 1.02rem/1.55 var(--read) !important; color: var(--body); }
.b-desc p b { font-family: var(--display); font-weight: 700; color: var(--ink); }
.b-desc[hidden] { display: none; }
.board td { padding: 11px 10px; border-top: 1px solid var(--rule); vertical-align: middle; }
.board tbody tr { transition: background .2s; }
.board tbody tr:hover { background: var(--cobalt-soft); }
.b-done { background: color-mix(in srgb, var(--ok) 6%, transparent); }
.b-todo th code, .b-todo .dim { opacity: .55; }
.lv { display: grid; grid-template-columns: 76px repeat(var(--n), 26px); gap: 2px; align-items: center; }
.lv i { display: grid; place-items: center; height: 19px; font: 400 10px/1 var(--mono); font-style: normal; color: var(--soft); }
.lv i:nth-child(-n + 11) { height: 14px; font-size: 9px; letter-spacing: .04em; }
.lv-l { font: 400 10px/1 var(--mono); color: var(--soft); white-space: nowrap; }
.lv .lv-l:nth-of-type(3) ~ i, .lv .lv-l:nth-of-type(4) ~ i { border: 1px solid var(--rule); }
.lv .lv-l:nth-of-type(3) ~ i.on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
.lv .lv-l:nth-of-type(4) ~ i.on { background: var(--soft); border-color: var(--soft); color: var(--card); }
.lv .lv-l:nth-of-type(3), .lv .lv-l:nth-of-type(3) ~ i { margin-top: 2px; }
.lv .lv-l:nth-of-type(3) { color: var(--ink); }
.b-note { display: block; margin-top: 6px; white-space: normal; max-width: 15em; font: 400 10.5px/1.4 var(--mono); color: var(--soft); }
.b-num { text-align: right; white-space: nowrap; }
.b-num b { display: block; font: 500 .92rem var(--mono); color: var(--ink); }
.b-num span { display: block; margin-top: 3px; font: 400 10.5px var(--mono); color: var(--soft); }
.board tfoot th, .board tfoot td { padding: 14px 18px; border-top: 2px solid var(--ink); background: none; color: var(--ink); text-align: left; font: 700 .95rem var(--display); text-transform: none; letter-spacing: -.01em; }
.board tfoot .b-num { text-align: right; }
.st-todo { opacity: .7; }

/* loop diagram */
.loop { font-family: var(--display); }
.loop rect { stroke: var(--ink); stroke-width: 1.5; }
.lp-h rect { fill: var(--ink); }
.lp-m rect { fill: var(--card); stroke: var(--cobalt); stroke-width: 2; }
.lp-n { font: 500 9.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.lp-t { font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.lp-s { font-size: 12px; }
.lp-h text { fill: var(--paper); } .lp-h .lp-n, .lp-h .lp-s { opacity: .72; }
.lp-m text { fill: var(--ink); } .lp-m .lp-n { fill: var(--cobalt); } .lp-m .lp-s { fill: var(--soft); }
.lp-a path { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.lp-d path { fill: none; stroke: var(--signal); stroke-width: 1.6; stroke-dasharray: 5 5; }
.lp-ah { fill: var(--ink); } .lp-ahd { fill: var(--signal); }
.lp-l { font: 400 10.5px var(--mono); fill: var(--signal); }
.lp-t2 { font-size: 13.5px; font-weight: 700; letter-spacing: -.01em; }
.lp-h1 { font: 800 17px var(--display); letter-spacing: -.03em; fill: var(--ink); }
.lp-h2 { font: 400 11px var(--mono); fill: var(--soft); }
.lp-x rect { fill: var(--accent); stroke: var(--accent); } .lp-x text { fill: #fff; } .lp-x .lp-s { opacity: .85; }
.lp-g rect { fill: none; stroke: var(--rule); stroke-dasharray: 3 3; } .lp-g text { fill: var(--soft); opacity: .7; }
.lp-m .lp-s, .lp-h .lp-s, .lp-x .lp-s { font-size: 11px; }
.lp-rule { stroke: var(--rule); stroke-width: 1.5; stroke-dasharray: 4 5; fill: none; }
.lp-br { fill: none; stroke: var(--soft); stroke-width: 1.2; } .lp-br2 { fill: none; stroke: var(--soft); stroke-width: 1.2; stroke-dasharray: 2 4; }

/* evidence cards: one failure followed from the trace to the verified change */
.ev { margin: 0 0 14px; background: var(--card); border: 1px solid var(--ink); transition: box-shadow .25s, transform .25s; }
.post-body > .ev { max-width: 56rem; }
.ev:hover, .ev[open] { box-shadow: 6px 6px 0 var(--accent); transform: translate(-2px, -2px); }
.ev summary { display: grid; grid-template-columns: auto auto minmax(0, 1fr) auto auto; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer; list-style: none; }
.ev summary::-webkit-details-marker { display: none; }
.ev summary::after { content: "+"; font: 400 20px/1 var(--mono); color: var(--soft); transition: transform .3s cubic-bezier(.3, 1.4, .5, 1); }
.ev[open] summary::after { transform: rotate(45deg); }
.ev-tag { font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); white-space: nowrap; }
.ev-title { font-weight: 700; font-size: 1.08rem; line-height: 1.25; letter-spacing: -.02em; }
.ev-stat { font: 500 11.5px var(--mono); color: var(--ink); white-space: nowrap; padding: 5px 9px; border: 1px solid var(--rule); }
.tl { list-style: none; margin: 0 !important; padding: 4px 20px 6px 20px !important; border-top: 1px dashed var(--rule); }
.ev[open] .tl > li { animation: tl-in .5s cubic-bezier(.2, .7, .2, 1) both; }
.ev[open] .tl > li:nth-child(2) { animation-delay: .07s; } .ev[open] .tl > li:nth-child(3) { animation-delay: .14s; } .ev[open] .tl > li:nth-child(4) { animation-delay: .21s; }
@keyframes tl-in { from { opacity: 0; transform: translateY(10px); } }
.tl > li { position: relative; display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 18px; margin: 0 !important; padding: 16px 0 16px 22px; border-left: 2px solid var(--rule); font: 400 1.05rem/1.6 var(--read) !important; }
.tl > li::before { content: ""; position: absolute; left: -7px; top: 22px; width: 12px; height: 12px; background: var(--card); border: 2px solid var(--soft); }
.tl > li::marker { content: none; }
.tl-role { padding-top: 3px; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--soft); }
.tl > li.tl-obs::before { border-color: var(--signal); } .tl-obs .tl-role { color: var(--signal); }
.tl > li.tl-fix::before { border-color: var(--cobalt); background: var(--cobalt); } .tl-fix .tl-role { color: var(--cobalt); }
.tl > li.tl-ok::before { border-color: var(--ok); background: var(--ok); } .tl-ok .tl-role { color: var(--ok); }
.ev-src { margin: 0 !important; padding: 12px 20px 16px; border-top: 1px dashed var(--rule); font: 400 11.5px/1.6 var(--mono) !important; color: var(--soft) !important; }

/* per-level bars */
.bars-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 44px; }
.bars-k { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; margin: 0 0 14px !important; font: 400 11.5px var(--mono) !important; color: var(--soft) !important; }
.bar-row { display: grid; grid-template-columns: 26px minmax(0, 1fr); align-items: center; gap: 10px; margin-bottom: 9px; }
.bar-l { font: 500 10.5px var(--mono); color: var(--soft); }
.bar-pair { display: grid; gap: 3px; }
.bar-pair i { position: relative; display: block; height: 11px; min-width: 2px; transform-origin: left; }
.bar-h { background: var(--rule); } .bar-a { background: var(--accent); }
.bar-pair em { position: absolute; left: calc(100% + 6px); top: -2px; font: 400 10.5px/1.3 var(--mono); font-style: normal; color: var(--soft); }
.bar-a em { color: var(--ink); }
.js .fig.reveal .bar-pair i { transform: scaleX(0); transition: transform .9s cubic-bezier(.2, .7, .2, 1) .3s; }
.js .fig.reveal.in .bar-pair i { transform: none; }
.bars-key { display: flex; align-items: center; gap: 8px; margin: 14px 0 0 !important; font: 400 11.5px var(--mono) !important; color: var(--soft) !important; }
.bars-key i { display: inline-block; width: 22px; height: 9px; margin-left: 12px; } .bars-key i:first-child { margin-left: 0; }

.takeaway { margin: 1.4rem 0 2.2rem !important; padding: 14px 18px; border-left: 3px solid var(--accent); background: color-mix(in srgb, var(--accent) 7%, transparent); font-size: 1.1rem !important; }
.takeaway b { font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); margin-right: 8px; }

.note { margin: 2rem 0; padding: 16px 22px; background: var(--cobalt-soft); border-left: 4px solid var(--cobalt); }
.note b { font: 500 10.5px var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--cobalt); }
.note p { margin: 6px 0 0 !important; font-size: 1.1rem !important; }

.tablewrap { margin: 2rem 0; overflow: auto; background: var(--card); border: 1px solid var(--ink); }
.fig .tablewrap { margin: 0; }

table { border-collapse: collapse; width: 100%; font-size: .98rem; line-height: 1.45; }
th { font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; text-align: left; padding: 13px 16px; background: var(--block); color: var(--on-block); white-space: nowrap; }
td { padding: 13px 16px; border-top: 1px solid var(--rule); color: var(--body); vertical-align: top; }
td:first-child { color: var(--ink); }
.r { text-align: right; font-family: var(--mono); font-size: .86rem; white-space: nowrap; }
th.r { font-size: 10.5px; }
.st { display: inline-block; padding: 3px 8px; font: 500 10.5px var(--mono); white-space: nowrap; border: 1px solid var(--rule); color: var(--soft); }
.st-done { border-color: var(--ok); color: var(--ok); }
.st-prog { border-color: var(--signal); color: var(--signal); }
tr.best td { background: var(--signal-soft); color: var(--ink); }
tr.best td:first-child { box-shadow: inset 4px 0 0 var(--signal); }

blockquote { margin: 2.6rem 0; padding-left: 26px; border-left: 2px solid var(--accent); }
blockquote p { font: italic 400 1.55rem/1.4 var(--read) !important; color: var(--ink) !important; margin: 0 0 10px !important; }
cite { font: 400 11.5px var(--mono); font-style: normal; color: var(--soft); }
code { font: 400 .8em var(--mono); background: var(--cobalt-soft); color: var(--code-ink); padding: .15em .4em; }
pre { margin: 2rem 0; background: var(--block); padding: 22px 24px; overflow: auto; box-shadow: 6px 6px 0 var(--cobalt); }
pre code { background: none; color: var(--pre-ink); padding: 0; font-size: .8rem; line-height: 1.8; }

.demo ::selection { background: var(--accent); }
.next { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin: 4.5rem 0 0; padding-top: 22px; border-top: 2px solid var(--ink); }

.post-body h2, .post-body h3, .sec { scroll-margin-top: 92px; }
.post-body h2::after, .post-body h3::after { content: ""; display: block; height: 3px; margin-top: 8px; background: var(--accent); transform: scaleX(0); transform-origin: left; }
.post-body h2.arrive::after, .post-body h3.arrive::after { animation: sweep 1.5s cubic-bezier(.2, .7, .2, 1); }
@keyframes sweep { 0% { transform: scaleX(0); opacity: 1; } 45% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: 0; } }
.sec.arrive .sec-head h2 { animation: nudge 1s cubic-bezier(.2, .7, .2, 1); }
@keyframes nudge { 0% { transform: translateX(-14px); color: var(--cobalt); } 100% { transform: none; } }

.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .fig.reveal .plate::before, .js .fig.reveal .plate::after { transform: scale(0); transition: transform .5s cubic-bezier(.3, 1.4, .5, 1) .45s; }
.js .fig.reveal.in .plate::before, .js .fig.reveal.in .plate::after { transform: none; }
.js .post-body h2.reveal .num { opacity: 0; transform: translateX(14px); transition: opacity .5s ease .25s, transform .6s cubic-bezier(.2, .7, .2, 1) .25s; }
.js .post-body h2.reveal.in .num { opacity: 1; transform: none; }

.totop { position: fixed; right: 26px; bottom: 26px; z-index: 8; width: 52px; height: 52px; display: grid; place-items: center; background: var(--card); border: 1px solid var(--ink); box-shadow: 4px 4px 0 var(--cobalt); opacity: 0; visibility: hidden; transform: translateY(18px) scale(.9); transition: opacity .35s, transform .45s cubic-bezier(.3, 1.4, .5, 1), visibility .35s, box-shadow .2s; }
.totop.show { opacity: 1; visibility: visible; transform: none; }
.totop.show:hover { transform: translate(-2px, -3px); box-shadow: 6px 7px 0 var(--cobalt); }
.totop svg { width: 38px; height: 38px; fill: none; stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.totop .ring-bg { stroke: var(--rule); stroke-width: 2.5; }
.totop .ring { stroke: var(--cobalt); stroke-width: 2.5; transform: rotate(-90deg); transform-origin: 50% 50%; transition: stroke-dashoffset .2s linear; }

/* ---------------------------------------------------------------- footer */
.site-foot { border-top: 1px solid var(--rule); padding: 26px 0; font: 400 11px var(--mono); color: var(--soft); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.site-foot a { color: var(--body); text-underline-offset: 4px; }
.site-foot a:hover { color: var(--cobalt); }

@media (max-width: 960px) {
  :root { --off: 0px; }
  .hero { padding: 56px 0; }
  .hero-in, .features, .sec-head, .cv, .post-head, .reach, .stats { grid-template-columns: 1fr; }
  .stats a { padding: 18px 0 4px; border-left: 0; border-top: 1px dashed var(--rule); }
  .stats a:nth-child(n + 4) { margin-top: 0; padding-top: 18px; }
  .stats a:first-child { border-top: 0; }
  .hero-img { order: -1; }
  .reach img { border-right: 0; border-bottom: 1px solid var(--ink); }
  .reach > div { padding: 28px 24px; }
  .row .row-side { flex-direction: row; align-items: center; }
  .thumb { width: 120px; flex: none; }
  .hero-in { gap: 44px; }
  .row, .pubs li { grid-template-columns: 1fr; gap: 10px; }
  .row .result { padding: 12px 0 0; border-left: 0; border-top: 1px dashed var(--rule); }
  .cv article { padding: 22px 0; border-left: 0; border-top: 1px solid var(--rule); }
  .cv article:first-child { border-top: 0; padding-top: 0; }
  .media { height: 230px; }
  .num { position: static; display: block; margin-bottom: 8px; }
  .site nav { display: none; }
  .theme { margin-left: auto; }
  .frames { grid-template-columns: 1fr; }
  .plate { padding: 16px; }
}
@media (max-width: 760px) {
  .ev summary { grid-template-columns: auto minmax(0, 1fr) auto; }
  .ev summary code, .ev-stat { display: none; }
  .tl > li { grid-template-columns: 1fr; gap: 4px; }
  .bars-grid { grid-template-columns: 1fr; }
  .cmp-grid, .game-body { grid-template-columns: 1fr; }
  .cmp-say { min-height: 0; }
  .cmp-count { display: none; }
}
@media (max-width: 1100px) {
  .post-grid { grid-template-columns: minmax(0, 1fr); }
  .side { display: none; }
  .toc { display: flex; }
  .num { position: static; display: block; margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }