:root{
  /* palette: slate and amber (default variant) */
  --ground:#121820; --surface:#181f28; --text:#ece6d8; --dim:#9aa1a8; --rule:#2a323b; --rule2:#384250;
  --accent:#d9a441; --accent-dim:#9a7430;
  --raster:96,128,160; --raster-cap:1.45;
  --scrim:rgba(18,24,32,.55);
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --margin:9rem; --measure:66ch;
}
/* hourly variants: data-variant is set from the wallpaper of the hour */
:root[data-variant="graphite"]{
  --ground:#16191c; --surface:#1c2024; --text:#eee9df; --dim:#a0a39d; --rule:#2c3034; --rule2:#3a3f45;
  --accent:#8cd0b8; --accent-dim:#5a8f7e; --raster:96,150,140; --raster-cap:1.6; --scrim:rgba(22,25,28,.55);
}
:root[data-variant="ink"]{
  --ground:#101316; --surface:#171b1f; --text:#eae4d6; --dim:#9a9890; --rule:#2a2e33; --rule2:#383d44;
  --accent:#c8865a; --accent-dim:#8f6040; --raster:110,124,140; --raster-cap:1.45; --scrim:rgba(16,19,22,.55);
}

*{box-sizing:border-box}
html{background:var(--ground);color:var(--text);font:16px/1.55 var(--sans);-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;position:relative}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  --band:calc(var(--margin) + var(--measure) + 10rem);
  background:linear-gradient(90deg,transparent 0,transparent calc(50% - var(--band)/2 - 4rem),var(--scrim) calc(50% - var(--band)/2 + 3rem),var(--scrim) calc(50% + var(--band)/2 - 3rem),transparent calc(50% + var(--band)/2 + 4rem),transparent 100%)}
a{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent-dim);text-underline-offset:.18em}
a:hover{text-decoration-color:var(--accent)}
:focus-visible{outline:1px solid var(--accent);outline-offset:3px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
strong{font-weight:500}
i{font-style:italic}

.top{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:baseline;padding:.9rem 2rem;border-bottom:1px solid var(--rule);background:color-mix(in srgb,var(--ground) 86%,transparent);backdrop-filter:blur(6px);font-family:var(--mono);font-size:.82rem}
.top .brand{text-decoration:none}
.top nav a{margin-left:1.4rem;text-decoration:none;color:var(--dim)}
.top nav a[aria-current]{color:var(--text);border-bottom:1px solid var(--accent)}

.sheet{position:relative;z-index:1;max-width:calc(var(--margin) + var(--measure) + 4rem);margin:0 auto;padding:0 2rem 4rem}

.hero{padding:6.5rem 0 4rem var(--margin);position:relative}
.hero .margin-note{position:absolute;left:0;top:calc(6.5rem + clamp(2.8rem,7.5vw,5.6rem)/2);transform:translateY(-50%);margin:0;color:var(--dim);font-size:.78rem}
.hero h1{font-weight:300;font-size:clamp(2.8rem,7.5vw,5.6rem);line-height:1;letter-spacing:-.02em;margin:0 0 1.2rem}
.role{margin:0 0 1.4rem;color:var(--dim)}
.line{max-width:var(--measure);margin:0 0 2.4rem;font-size:1.05rem;color:var(--text)}
.tagline{font-size:1.25rem;font-weight:300;min-height:1.6em}
.tagline .rest{visibility:hidden}
.credit{font-size:.72rem;color:var(--dim);opacity:.8}
.ask{max-width:var(--measure);border-top:1px solid var(--rule);padding-top:1rem}
.ask label{display:block;font-size:.78rem;color:var(--dim);margin-bottom:.4rem}
.askrow{display:flex;gap:.6rem;align-items:flex-end}
.ask textarea{flex:1;font:inherit;background:transparent;color:var(--text);border:0;border-bottom:1px solid var(--rule2);padding:.35rem 0;resize:none;line-height:1.4;min-height:1.9em;max-height:9em;overflow-y:auto}
.ask textarea::placeholder{color:var(--dim);opacity:.7}
.ask textarea:focus{outline:0;border-bottom-color:var(--accent)}
.ask button{font-size:.82rem;background:transparent;color:var(--accent);border:1px solid var(--accent-dim);padding:.3rem .8rem;cursor:pointer;font-family:var(--mono)}
.ask button:hover{border-color:var(--accent)}
.ask button:disabled{color:var(--dim);border-color:var(--rule2);cursor:default}
/* conversation panel: expands in place above the input once the first question is asked */
.ask.open{display:flex;flex-direction:column}
.ask.open .askrow{order:3;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--rule)}
.ask.open label{order:1}
.ask.open .convo{order:2}
.turns{list-style:none;margin:.4rem 0 0;padding:0 .25rem 0 0;max-height:min(58vh,620px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--rule2) transparent}
.convo{position:relative}
.convo .tail{position:absolute;right:.25rem;bottom:.35rem;font-size:.72rem;padding:.2rem .5rem;border:1px solid var(--rule2);background:var(--ground);color:var(--dim);cursor:pointer}
.convo .tail[hidden]{display:none}
.turns li{padding:.75rem 0;border-top:1px solid var(--rule)}
.turns li:first-child{border-top:0}
.turns .who{display:block;font-size:.74rem;color:var(--dim);margin-bottom:.3rem}
.turns li.me .who{color:var(--dim)}
.turns li.bot .who{color:var(--accent)}
.turns .text{margin:0;white-space:pre-wrap;line-height:1.55}
.turns .text code{font-family:var(--mono);font-size:.9em;color:var(--accent)}
.turns .refused{color:var(--dim);font-style:italic}
.turns .status{font-size:.76rem;color:var(--accent);margin:.35rem 0 0;min-height:1.2em}
.turns .status::after{content:"";display:inline-block;width:.5em;height:.5em;margin-left:.45em;background:var(--accent-dim);animation:blink 1.4s steps(2,start) infinite}
.turns .sources{font-size:.76rem;color:var(--dim);margin:.45rem 0 0;line-height:1.5}
.turns .sources a{color:var(--dim)}
.turns .contact-link{display:inline-block;margin-top:.5rem;font-size:.76rem}
.linkbtn,.ask .linkbtn{font:inherit;font-size:.76rem;background:none;border:0;padding:0;color:var(--text);text-decoration:underline;text-decoration-color:var(--accent-dim);text-underline-offset:.18em;cursor:pointer}
.linkbtn:hover{text-decoration-color:var(--accent)}
.convo-foot{display:flex;justify-content:space-between;gap:1rem;margin:.9rem 0 0;font-size:.72rem}
.convo-foot .clear{color:var(--dim)}
.credit{font-size:.72rem;color:var(--dim);opacity:.8}
@keyframes blink{to{visibility:hidden}}
@media (prefers-reduced-motion:reduce){.turns .status::after{animation:none}}
/* contact modal */
.contact{background:var(--surface);color:var(--text);border:1px solid var(--rule2);padding:1.6rem 1.8rem;width:min(34rem,calc(100vw - 2rem));max-height:calc(100vh - 2rem)}
.contact::backdrop{background:color-mix(in srgb,var(--ground) 72%,transparent);backdrop-filter:blur(3px)}
.contact-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.6rem;border-bottom:1px solid var(--rule)}
.contact h2{font-size:.82rem;font-weight:500;margin:0;color:var(--accent)}
.contact .close{font-size:.76rem;background:none;border:0;color:var(--dim);cursor:pointer;padding:.2rem 0}
.contact .close:hover{color:var(--text)}
.contact label{display:block;font-size:.74rem;color:var(--dim);margin:.9rem 0 .3rem}
.contact input,.contact textarea{width:100%;font:inherit;background:transparent;color:var(--text);border:0;border-bottom:1px solid var(--rule2);padding:.35rem 0;resize:vertical}
.contact input:focus,.contact textarea:focus{outline:0;border-bottom-color:var(--accent)}
.contact .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact .credit{margin:1rem 0 0}
.contact-status{font-size:.76rem;color:var(--accent);margin:.6rem 0 0;min-height:1.2em}
.contact-status.err{color:var(--dim)}
.contact-actions{display:flex;justify-content:flex-end;margin-top:.8rem}
.contact .primary{font-size:.82rem;background:transparent;color:var(--accent);border:1px solid var(--accent-dim);padding:.4rem 1rem;cursor:pointer}
.contact .primary:hover{border-color:var(--accent)}
.contact .primary:disabled{color:var(--dim);border-color:var(--rule2);cursor:default}

[hidden]{display:none!important}

.sec{padding:3.8rem 0 1.2rem var(--margin);position:relative}
.sec::before{content:"";position:absolute;left:calc(-1 * var(--margin));right:0;top:1.6rem;border-top:1px solid var(--rule2)}
.sec.first{padding-top:5rem}
.sec-head{position:relative;margin:0 0 1.4rem}
.leader{position:absolute;left:calc(-1 * var(--margin));top:50%;transform:translateY(-50%);width:calc(var(--margin) - 1.2rem);border-top:1px solid var(--accent-dim)}
.leader::before{content:"";position:absolute;left:0;top:-3px;width:5px;height:5px;background:var(--accent-dim)}
.sec h2{margin:0;font-weight:300;font-size:1.7rem;line-height:1.1;letter-spacing:-.01em;display:flex;align-items:center;gap:1rem;color:var(--text)}
.sec h2 .idx{color:var(--accent);font-size:1.22rem;line-height:1;font-weight:500;position:relative;top:.02em}
.sec h2 .meas{color:var(--dim);font-size:.78rem;line-height:1;margin-left:auto}
.rows{list-style:none;margin:0;padding:0;max-width:var(--measure)}
.rows li{display:grid;grid-template-columns:var(--margin) 1fr;margin-left:calc(-1 * var(--margin));padding:.65rem 0;border-top:1px solid var(--rule)}
.rows li:first-child{border-top:0}
.rows .yr{color:var(--dim);font-size:.8rem;padding-top:.25rem}
.dim{color:var(--dim)}
.doi{display:block;font-size:.76rem;color:var(--dim);margin-top:.15rem;text-decoration-color:var(--rule2)}
.fig{display:block;font-size:.76rem;color:var(--accent-dim);margin-top:.2rem}
.sub{font-size:.78rem;color:var(--dim);margin:1.6rem 0 .3rem}
.rows li.proj{grid-template-columns:var(--margin) 1fr auto;column-gap:1.2rem}
.figs{display:grid;justify-items:end;align-content:start;gap:.15rem;font-size:.76rem;color:var(--accent-dim);padding-top:.25rem;white-space:nowrap}
.figs .dim{color:var(--dim)}
.awards{border-collapse:collapse;width:calc(100% + var(--margin));margin-left:calc(-1 * var(--margin));max-width:calc(var(--measure) + var(--margin));font-size:.94rem}
.awards td{padding:.45rem .8rem .45rem 0;border-top:1px solid var(--rule);vertical-align:top}
.awards tr:first-child td{border-top:0}
.awards td.yr{width:var(--margin);color:var(--dim);font-size:.8rem;padding-top:.6rem}
.awards td:last-child{width:34%}
.rows.lines li{padding:.4rem 0}

.essay{padding:5rem 0 2rem var(--margin);max-width:calc(var(--margin) + var(--measure))}
.essay .margin-note{font-size:.78rem;color:var(--dim);margin:0 0 1.2rem}
.essay h1{font-weight:300;font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.15;letter-spacing:-.01em;margin:0 0 .8rem}
.essay .summary{color:var(--dim);font-size:1.05rem;margin:0 0 2rem;padding-bottom:1.2rem;border-bottom:1px solid var(--rule)}
.essay .body{font-size:1.05rem;line-height:1.65}
.essay .body p{margin:0 0 1.1rem}

.plates{list-style:none;margin:2rem 0 0;padding:0}
.plates li{padding:1.1rem 0 0}
.plates .pm{font-size:.78rem;color:var(--dim);line-height:1.5}
.plates .pm b{display:block;color:var(--accent);font-weight:500}
.plates img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--surface);border:1px solid var(--rule2)}
.plates figure{margin:0}
.plates figcaption{margin-top:.5rem;color:var(--dim);font-size:.92rem;font-style:italic}

.titleblock{position:relative;z-index:1;max-width:calc(var(--margin) + var(--measure) + 4rem);margin:2rem auto 0;padding:0 2rem 2rem;display:grid;grid-template-columns:repeat(5,1fr);font-family:var(--mono);font-size:.74rem}
.titleblock div{border:1px solid var(--rule2);border-left:0;padding:.45rem .7rem;color:var(--text)}
.titleblock div:first-child{border-left:1px solid var(--rule2)}
.titleblock span{display:block;color:var(--dim);font-size:.66rem;margin-bottom:.1rem}

@media (max-width:760px){
  :root{--margin:0rem}
  body::after{display:none}
  .top{padding:.8rem 1rem}.top nav a{margin-left:1rem}
  .sheet{padding:0 1.1rem 3rem}
  .hero{padding:4rem 0 2.5rem}.hero .margin-note{position:static;margin:0 0 .8rem}
  .sec{padding-left:0}.leader{display:none}
  .rows li,.plates li,.rows li.proj{grid-template-columns:1fr;margin-left:0}
  .figs{justify-items:start;grid-auto-flow:column;gap:.8rem;white-space:normal}
  .awards{width:100%;margin-left:0}.awards tr{display:grid}.awards td{border-top:0;padding:.1rem 0}.awards tr{border-top:1px solid var(--rule);padding:.5rem 0}.awards td:last-child{width:auto}
  .sec::before{left:0}
  .rows .yr{padding-top:0;margin-bottom:.1rem}
  .plates .pm{margin-bottom:.5rem}.plates .pm b{display:inline;margin-right:.6rem}
  .essay{padding:3rem 0 1rem}
  .titleblock{grid-template-columns:1fr 1fr;padding:0 1.1rem 1.5rem}
  .titleblock div{border-left:1px solid var(--rule2);border-top:0}
  .titleblock div:nth-child(-n+2){border-top:1px solid var(--rule2)}
}
@media (prefers-reduced-motion:reduce){#bg{opacity:.8}}
.turns .text p{margin:0 0 .7em}.turns .text p:last-child{margin-bottom:0}
.turns .text h4{font-size:1rem;font-weight:500;margin:.9em 0 .4em}
.turns .text ul,.turns .text ol{margin:.2em 0 .8em;padding-left:1.3em}.turns .text li{margin:.25em 0;padding:0;border:0}
.turns .text hr{border:0;border-top:1px solid var(--rule);margin:.8em 0}
.turns .text strong{font-weight:500;color:var(--text)}.turns .text em{font-style:italic}
.turns .text{white-space:normal}

.cvpages{list-style:none;margin:1.4rem 0 0;padding:0}
.cvpages li{margin:0 0 1rem}
.cvpages img{display:block;width:100%;height:auto;border:1px solid var(--rule2);background:#fff}