/* AG++ studio — lab-notebook layout: bold wordmark, mono section labels in a left rail, wide content column. */
:root{
  /* Single dark world, deliberately: black ground, white type, one mint accent for the ++ */
  --bg:#000000;--surface:#0d0d0d;--ink:#ffffff;--muted:#a3a3a3;--line:#2b2b2b;--accent:#e4ff1a;--accent-soft:#23270a;
  --display:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --body:"Hanken Grotesk","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
img{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:20;background:var(--surface);padding:8px 12px}
.wrap{max-width:1100px;margin:0 auto}

/* nav */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--bg) 93%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  margin-left:calc(-1 * max(16px, env(safe-area-inset-left, 0px)));margin-right:calc(-1 * max(16px, env(safe-area-inset-right, 0px)));
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:13px}
.mark{font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink);text-decoration:none;white-space:nowrap}
.mark sup{color:var(--accent);font-size:.75em;vertical-align:.35em;letter-spacing:0}
.mark small{font-weight:400;color:var(--muted);margin-left:6px;font-size:15px}
.menu{display:flex;gap:18px;list-style:none;margin:0;padding:0;font-size:14px}
.menu a{color:var(--muted);text-decoration:none}
.menu a:hover,.menu a[aria-current="page"]{color:var(--ink)}
.menu a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:6px}
.mobile{display:none}
@media (max-width:900px){
  .menu{display:none}
  .mobile{display:block;position:relative}
  .mobile summary{list-style:none;cursor:pointer;font-family:var(--mono);font-size:13px;padding:6px 12px;border:1px solid var(--line);border-radius:999px}
  .mobile summary::-webkit-details-marker{display:none}
  .mobile ul{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:6px;list-style:none;margin:0;padding:8px;min-width:200px;box-shadow:0 10px 30px rgb(0 0 0 / .6)}
  .mobile li a{display:block;padding:8px 10px;color:var(--ink);text-decoration:none}
}

/* home hero */
.hero{position:relative;padding-block:64px 52px;border-bottom:1px solid var(--line);overflow:hidden}
.hero svg{position:absolute;right:-40px;top:0;width:600px;max-width:72%;height:100%;opacity:.9;pointer-events:none}
.hero svg path{fill:none;stroke:#3a3a3a;stroke-width:1}
.hero svg .st{stroke:#5a5a5a;stroke-width:1.2}
.hero svg .st.main{stroke:#8a8a8a;stroke-width:1.6}
.hero svg .blk{stroke:#2e2e2e}
.hero svg .park{stroke:#3d4a12;stroke-dasharray:2 3}
.hero svg text{font-family:var(--mono);font-size:8.5px;letter-spacing:.12em;fill:#7a7a7a}
.hero svg .here{fill:var(--accent);font-size:10px}
.hero svg .dot{fill:var(--accent)}
.hero svg .ring{fill:none;stroke:var(--accent);stroke-width:1;transform-origin:482px 256px;animation:ping 2.4s ease-out infinite}
@keyframes ping{0%{transform:scale(.4);opacity:1}100%{transform:scale(1.8);opacity:0}}
@media (prefers-reduced-motion: reduce){.hero svg .ring{animation:none}}
.coord{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;position:relative}
.word{position:relative;font-weight:700;font-size:clamp(72px,15vw,168px);line-height:.9;letter-spacing:-.05em;margin:20px 0 6px}
.word sup{color:var(--accent);font-size:.55em;vertical-align:.62em;letter-spacing:-.02em}
.word span{font-family:var(--display);font-weight:400;font-style:italic;letter-spacing:-.01em;font-size:.42em;margin-left:.15em;color:var(--muted)}
.tagline{position:relative;font-family:var(--display);font-size:clamp(24px,3.2vw,34px);line-height:1.2;max-width:30ch;margin:18px 0 0;text-wrap:balance}
.founder-line{position:relative;margin:18px 0 0;color:var(--muted);font-size:15px}
.founder-line a{color:var(--ink)}

/* inner page header */
.page-head{padding-block:44px 36px;border-bottom:1px solid var(--line)}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.page-head h1{font-family:var(--display);font-weight:400;font-size:clamp(40px,6vw,68px);line-height:1.02;margin:0 0 12px;text-wrap:balance}
.page-head p{font-size:19px;max-width:60ch;color:var(--muted);margin:0}

/* sections */
section{display:grid;grid-template-columns:190px minmax(0,1fr);gap:32px;padding-block:52px;border-bottom:1px solid var(--line)}
@media (max-width:780px){section{grid-template-columns:1fr;gap:12px;padding-block:38px}}
.label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:8px}
h2{font-family:var(--display);font-weight:400;font-size:clamp(28px,3.6vw,40px);line-height:1.12;margin:0 0 18px;text-wrap:balance}
h3{font-size:16px;font-weight:600;margin:0 0 4px}
p{margin:0 0 14px;max-width:66ch}
.lede{font-size:20px;line-height:1.55}
.more{display:inline-block;margin-top:18px;font-size:15px;font-weight:600}

/* grids */
.fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.fields.two{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:780px){.fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.fields,.fields.two{grid-template-columns:1fr}}
.field{background:var(--surface);padding:20px;min-width:0}
.field .k{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:10px}
.field p{font-size:14.5px;color:var(--muted);margin:0}
a.field{color:inherit;text-decoration:none}
a.field:hover h3{color:var(--accent)}

.figs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
@media (max-width:780px){.figs{grid-template-columns:repeat(2,minmax(0,1fr))}}
.fig{padding:18px 14px 6px 0;border-bottom:1px solid var(--line)}
.fig b{display:block;font-family:var(--display);font-weight:400;font-size:40px;line-height:1;font-variant-numeric:tabular-nums}
.fig small{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.4}

.work{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:780px){.work{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.work{grid-template-columns:1fr}}
.tile{display:flex;flex-direction:column;gap:8px;min-width:0}
.tile.wide{grid-column:span 2}
.tile.wide .ph{aspect-ratio:8/3}
@media (max-width:480px){.tile.wide{grid-column:auto}.tile.wide .ph{aspect-ratio:4/3}}
.tile small{color:var(--muted);font-size:13px}
.ph{aspect-ratio:4/3;max-width:100%;border:1px dashed var(--line);border-radius:3px;display:flex;align-items:flex-end;padding:12px;font-family:var(--mono);font-size:11px;color:var(--muted);
  background:repeating-linear-gradient(135deg,transparent 0 10px,var(--accent-soft) 10px 11px)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{font-family:var(--mono);font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}

.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);align-items:baseline}
.rows li > span{font-family:var(--mono);font-size:12px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.rows li div{min-width:0}
.rows li div small{display:block;color:var(--muted);font-size:14px}
.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
@media (max-width:780px){.cols{grid-template-columns:1fr}}
.stack{display:grid;gap:36px}

.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.links a{font-size:14px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);text-decoration:none}
.links a:hover{border-color:var(--accent);color:var(--accent)}

.papers{display:grid;gap:0;border-top:1px solid var(--line)}
.paper{padding:18px 0;border-bottom:1px solid var(--line)}
.paper .tag{font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--accent)}
.paper h3{font-family:var(--display);font-weight:400;font-size:22px;line-height:1.25;margin:6px 0 6px}
.paper p{font-size:14px;color:var(--muted);margin:0}
.paper p b{color:var(--ink);font-weight:600}

.founder{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
@media (max-width:640px){.founder{grid-template-columns:1fr}}
picture{display:block}
.portrait{aspect-ratio:4/5;width:100%;max-width:100%;height:auto;object-fit:cover;object-position:50% 30%;display:block;border-radius:2px;filter:grayscale(1)}
@media (max-width:640px){.founder picture,.founder .portrait{max-width:280px}}
.people{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
@media (max-width:780px){.people{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.people{grid-template-columns:1fr}}
.person{padding:11px 12px 11px 0;border-bottom:1px solid var(--line);font-size:15px;min-width:0}
.person small{display:block;color:var(--muted);font-size:13px}

.note{padding:18px 0;border-bottom:1px solid var(--line)}
.note:first-child{border-top:1px solid var(--line)}
.note time{font-family:var(--mono);font-size:12px;color:var(--muted)}
.note h3{font-family:var(--display);font-weight:400;font-size:22px;margin:4px 0 6px}
.note p{font-size:15px;color:var(--muted);margin:0}

.pager{display:flex;justify-content:space-between;gap:16px;padding-block:28px;font-size:15px;border-bottom:1px solid var(--line)}
.pager a{text-decoration:none;color:var(--ink)}
.pager a span{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.pager .next{text-align:right;margin-left:auto}

footer{padding-block:40px 56px;font-size:14px;color:var(--muted)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:780px){.foot{grid-template-columns:1fr}}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{color:var(--muted)}
.email{font-family:var(--mono);font-size:14px;color:var(--ink);user-select:all;word-break:break-all}
.copy{font-family:var(--mono);font-size:12px;margin-left:8px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer}
.fine{margin-top:28px;font-size:12.5px}

/* Feed: image-led tiles with type labels and tags */
.feed{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:1000px){.feed{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:700px){.feed{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.feed{grid-template-columns:1fr}}
.card{background:var(--bg);color:var(--ink);text-decoration:none;display:flex;flex-direction:column;min-width:0;transition:background .2s,color .2s}
.card .vis{aspect-ratio:4/3;max-width:100%;position:relative;overflow:hidden;background:var(--surface)}
.card .vis svg{position:absolute;inset:0;width:100%;height:100%}
.card .vis svg path{fill:none;stroke:var(--line);stroke-width:1.2}
.card .vis b{position:absolute;left:14px;bottom:10px;font-family:var(--display);font-weight:400;font-size:44px;line-height:1;color:var(--ink)}
.card .meta{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .type{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);display:flex;justify-content:space-between;gap:8px}
.card .type span{color:var(--muted)}
.card h3{font-size:17px;font-weight:600;line-height:1.3;margin:0}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px}
.card .tags i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--muted)}
a.card:hover{background:var(--ink);color:var(--bg)}
a.card:hover .type,a.card:hover .type span,a.card:hover .tags i{color:var(--bg)}
a.card:hover .vis{filter:invert(1)}
@media (prefers-reduced-motion: reduce){.card{transition:none}}

/* Neuro-Cities book collection */
.covers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:28px}
@media (max-width:760px){.covers{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cover{display:flex;flex-direction:column;gap:8px;color:var(--ink);text-decoration:none;min-width:0}
.cover img{width:100%;height:auto;aspect-ratio:685/978;object-fit:cover;display:block;border-radius:2px;transition:transform .25s}
.cover:hover img{transform:translateY(-4px)}
.cover .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cover .k.on{color:var(--accent)}
.cover b{font-family:var(--display);font-weight:400;font-size:20px;line-height:1.2}
.call{border:1px solid var(--accent);padding:28px;border-radius:4px}
.call h2{margin-bottom:12px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.toc li div{font-size:16px}
.toc li div small b{color:var(--ink);font-weight:600}
.card .vis picture,.card .vis .cardimg{position:absolute;inset:0;width:100%;height:100%}
.card .vis .cardimg{object-fit:cover;object-position:50% 40%}
a.card:hover .vis:has(picture){filter:none}
@media (prefers-reduced-motion: reduce){.cover img{transition:none}}

/* Original line drawings */
.art{display:block;width:100%;height:100%}
.art path,.art rect,.art ellipse,.art circle{fill:none;stroke:#555;stroke-width:1;vector-effect:non-scaling-stroke}
.art .d{stroke:#333}
.art .m{stroke:#8a8a8a;stroke-width:1.4}
.art .n{fill:#777;stroke:none}
.art .a{stroke:var(--accent);stroke-width:1.4}
.art .thick{stroke-width:7;stroke-linecap:square}
.art .af{fill:var(--accent);stroke:none}
.vis{position:relative;overflow:hidden;background:var(--surface)}
.card .vis svg.art{position:absolute;inset:0}
a.card:hover .vis{filter:none}
a.card:hover .art path,a.card:hover .art rect,a.card:hover .art ellipse,a.card:hover .art circle{stroke:#999}
a.card:hover .art .d{stroke:#777}
.tile{color:var(--ink);text-decoration:none}
.tile .vis{aspect-ratio:4/3;max-width:100%;border-radius:2px;border:1px solid var(--line)}
.tile.wide .vis{aspect-ratio:8/3}
@media (max-width:480px){.tile.wide .vis{aspect-ratio:4/3}}
.tile h3{transition:color .2s}
a.tile:hover h3{color:var(--accent)}
a.tile:hover .vis{border-color:var(--accent)}
.fart{aspect-ratio:16/7;margin:-20px -20px 16px;border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg)}
a.field:hover .fart .art .a{stroke-width:2.2}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:32px;align-items:start}
@media (max-width:780px){.split{grid-template-columns:1fr}}
.bigart{aspect-ratio:4/3;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--surface)}
a.fig{color:var(--ink);text-decoration:none;transition:color .2s}
a.fig:hover b{color:var(--accent)}
a.note{display:block;color:var(--ink);text-decoration:none}
a.note:hover h3{color:var(--accent)}

/* Voice entries */
.feed.three{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.feed.three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:440px){.feed.three{grid-template-columns:1fr}}
.card .sub{font-size:14px;color:var(--muted);margin:0;line-height:1.45}
a.card:hover .sub{color:var(--bg)}
.tabs .chip{text-decoration:none}
.tabs .chip:hover{border-color:var(--accent);color:var(--accent)}
.glance{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:10px 20px;margin:0;border-top:1px solid var(--line);padding-top:14px}
.glance dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.glance dd{margin:0;font-size:16px}
.stats{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px}
@media (max-width:520px){.stats{grid-template-columns:1fr}}
section h2 + p.lede{margin-bottom:26px}
/* grid lines drawn per card so a partly filled row leaves black space, not grey */
.feed{gap:0;background:none;border:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.feed .card{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}

/* Photography: full-bleed, sharp, never stretched */
.bleed{position:relative;margin:0;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);overflow:hidden;border-bottom:1px solid var(--line);background:#000}
.bleed picture,.bleed .bleedimg{display:block;width:100%}
.bleed .bleedimg{height:clamp(260px,42vw,620px);object-fit:cover;object-position:50% 50%;filter:saturate(.9) contrast(1.04);transform:scale(1.001);transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.bleed:hover .bleedimg{transform:scale(1.025)}
.bleed figcaption{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;gap:16px;align-items:flex-end;
  padding:60px max(16px, env(safe-area-inset-right, 0px)) 18px max(16px, env(safe-area-inset-left, 0px));
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.82));font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#d9d9d9}
.bleed figcaption span,.bleed figcaption a{max-width:1100px}
.bleed figcaption a{color:var(--accent);text-decoration:none;white-space:nowrap}
@media (min-width:1132px){.bleed figcaption{padding-left:calc(50vw - 550px);padding-right:calc(50vw - 550px)}}
@media (prefers-reduced-motion: reduce){.bleed .bleedimg{transition:none}}
.lead-story{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:0;border:1px solid var(--line);color:var(--ink);text-decoration:none;background:var(--surface)}
@media (max-width:860px){.lead-story{grid-template-columns:1fr}}
.lead-story picture,.lead-story .leadimg{display:block;width:100%;height:100%}
.lead-story .leadimg{min-height:320px;object-fit:cover;object-position:2% 45%}
.lead-text{padding:28px;display:flex;flex-direction:column;gap:10px}
.lead-text h2{margin:0}
.lead-text .lede{font-size:17px;color:var(--muted)}
.lead-story:hover h2{color:var(--accent)}
.glance-wide{max-width:760px}
.links a.primary{border-color:var(--accent);color:var(--accent)}
.links a.primary:hover{background:var(--accent);color:#000}
.bigart picture,.bigart .cardimg{display:block;width:100%;height:100%;object-fit:cover}
.card .vis picture{position:absolute;inset:0}
.bigart.photo{aspect-ratio:3/2}
/* Dropdown sub-menus */
.menu > li{position:relative}
.menu .sub{display:none;position:absolute;top:calc(100% + 10px);left:-14px;min-width:240px;list-style:none;margin:0;padding:8px;background:#0b0b0b;border:1px solid var(--line);border-radius:4px;box-shadow:0 18px 40px rgb(0 0 0 / .6);z-index:20}
.menu .sub::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.menu .sub a{display:block;padding:8px 10px;color:var(--muted);white-space:nowrap;font-size:14px;border-radius:3px}
.menu .sub a:hover{color:var(--ink);background:var(--surface)}
.menu > li.has-sub:hover > .sub,.menu > li.has-sub:focus-within > .sub{display:block}
.menu > li:last-child .sub,.menu > li:nth-last-child(2) .sub{left:auto;right:-14px}
.mobile ul .sub{display:block;position:static;list-style:none;padding:0 0 6px 14px;margin:0;border:0;box-shadow:none;background:none;min-width:0}
.mobile ul .sub a{font-size:13px;color:var(--muted);padding:5px 10px}
.mobile > ul{max-height:75vh;overflow:auto}
/* Hashtags, FAQ */
.hashtags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hashtags span{font-family:var(--mono);font-size:12px;color:var(--accent);border:1px solid var(--accent-soft);padding:4px 10px;border-radius:999px}
.faq{border-top:1px solid var(--line);padding:16px 0}
.faq:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:18px;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--accent);font-family:var(--mono)}
.faq[open] summary::after{content:"−"}
.faq p{margin:12px 0 0;color:var(--muted)}
.lead-story.pub .bigart{border:0;border-radius:0;aspect-ratio:auto;min-height:300px}