/* ---- fonts (variable woff2 from Google Fonts; one file per family spanning the weight axis) ---- */
@font-face { font-family:'Inter'; font-weight:100 900; font-display:swap; src:url('/fonts/inter.woff2') format('woff2'); }
@font-face { font-family:'Newsreader'; font-weight:200 800; font-display:swap; src:url('/fonts/newsreader.woff2') format('woff2'); }
@font-face { font-family:'JetBrains Mono'; font-weight:100 800; font-display:swap; src:url('/fonts/jbmono.woff2') format('woff2'); }

/* ---- tokens ---- */
:root{
  --bg:#fffef9; --ink:#1a1a1a; --muted:#4b5563; --marginal:#6b7280;
  --rule:#e7e4dc; --accent:#0b7d71; --accent-soft:#b8e0da;
  --serif:'Newsreader',Georgia,serif; --sans:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --measure:42em;
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:60rem;margin:0 auto;padding:0 1.5rem}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-soft)}
a:hover{border-bottom-color:var(--accent)}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.2}
h1{font-size:2.1rem;margin:0 0 .3rem}
h2{font-size:1.5rem;margin:2rem 0 1rem}
h3{font-size:1.2rem}
p{max-width:var(--measure)}
hr{border:0;border-top:1px solid var(--rule);margin:2rem 0}
.mono{font-family:var(--mono)}
.show-for-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* prototype: faint ambient phylogeny down the left edge */
body{position:relative}
body > *{position:relative;z-index:1}
.left-tree{position:absolute;top:0;left:0;z-index:0;pointer-events:none;color:var(--accent)}
.left-tree .phylo-base{fill:none;stroke:currentColor;stroke-width:3.2;stroke-opacity:.2;stroke-linecap:round;stroke-linejoin:round}
.left-tree .phylo-draw{stroke-dasharray:1;stroke-dashoffset:1;animation:phylo-grow 1.6s ease forwards}
@keyframes phylo-grow{to{stroke-dashoffset:0}}
@media(prefers-reduced-motion:reduce){.left-tree .phylo-draw{animation:none;stroke-dashoffset:0}}
.left-tree circle{fill:currentColor;fill-opacity:.35}
.left-tree .phylo-lineage{fill:none;stroke:currentColor;stroke-width:3.8;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:opacity .15s ease}
.left-tree .phylo-lineage.on{opacity:1}
@media(max-width:1100px){.left-tree{display:none}}

.icon{display:inline-flex;align-items:center;margin-right:.35em;vertical-align:-0.13em}
.icon svg{width:1em;height:1em;display:block}

/* scroll reveal (JS adds .is-visible; gated on .js so no-JS shows normally) */
.js .pub-row,.js .project{opacity:0;transition:opacity .3s ease}
.js .media-group,.js .tag-item{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.js .pub-row.is-visible,.js .project.is-visible,.js .media-group.is-visible,.js .tag-item.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .pub-row,.js .project,.js .media-group,.js .tag-item{opacity:1;transform:none;transition:none}}

/* ---- header / nav (masthead) ---- */
.site-header{border-bottom:1px solid var(--rule);background:var(--bg)}
.nav-bar{display:flex;flex-direction:column;align-items:center;gap:.9rem;padding-top:2.5rem;padding-bottom:1.1rem}
.nav-top{display:flex;align-items:center;justify-content:center;width:100%;position:relative}
.site-title{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--serif);font-size:2.4rem;font-weight:600;letter-spacing:-.02em;border:0;color:var(--accent);line-height:1}
.logo-tree{width:1.15em;height:.92em;flex:none;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.site-title:hover{color:var(--ink)}
.nav-toggle{display:none;position:absolute;right:0;background:none;border:0;font-size:1.3rem;cursor:pointer;color:var(--ink)}
.site-menu ul{display:flex;justify-content:center;flex-wrap:wrap;gap:1.25rem;list-style:none;margin:0;padding:0}
.site-menu a{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border:0}
.site-menu a:hover{color:var(--accent)}
@media(max-width:640px){
  .nav-bar{padding-top:1.6rem}
  .site-title{font-size:1.8rem}
  .nav-toggle{display:block}
  .site-menu{display:none;width:100%}
  .site-menu.is-open{display:block}
  .site-menu ul{flex-direction:column;align-items:center;gap:.6rem;padding-top:.8rem}
}

/* ---- hero portrait ---- */
.hero-figure img{width:100%;max-width:196px;height:auto;border-radius:10px;display:block}

/* ---- layout / homepage ---- */
main{padding:2.5rem 0}
.hero{display:grid;grid-template-columns:1fr auto;gap:2.5rem;align-items:center}
.hero-text .role{color:var(--muted);margin:0 0 1.2rem}
.hero-text .lede{font-size:1.1rem;color:#111}
.hero-figure{margin:0}
.more{font-size:.9rem}
ul.compact{list-style:none;margin:0;padding:0}
.project{display:flex;gap:.6rem;padding:1rem 0;border-top:1px solid #f0ede5}
.project-subtitle{color:var(--muted);font-size:.95rem;font-style:italic;margin:.1rem 0 .5rem}
@media(max-width:720px){.hero{grid-template-columns:1fr}.hero-figure{order:-1;max-width:260px}}

/* ---- footer (whatisthis) ---- */
.whatisthis{padding-bottom:2.5rem}
.whatisthis-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem}
.whatisthis-col{min-width:0;overflow-wrap:break-word}
.whatisthis-col h2{font-size:1.15rem;margin:0 0 .8rem}
.whatisthis-col p,.whatisthis-col li{font-size:.9rem}
.social-list{list-style:none;margin:0;padding:0}
.social-list li{display:flex;align-items:baseline;gap:.5rem}
.social-list .fa-li{position:static;left:auto;top:auto;width:1.25em;text-align:center;flex:none}
.searchsite input[type=search]{width:100%;padding:.4rem .6rem;border:1px solid var(--rule);border-radius:6px;font:inherit;font-size:.9rem}
@media(max-width:720px){.whatisthis-cols{grid-template-columns:1fr}}

/* ---- publications (quirk B) ---- */
.year-head{font-size:2rem;color:var(--ink);border-bottom:1px solid var(--rule);padding-bottom:.3rem;margin-top:2.5rem;scroll-margin-top:1rem}
/* publications-per-year sparkline */
.pub-spark{display:flex;align-items:flex-end;gap:2px;height:46px;margin:.4rem 0 .25rem}
.pub-spark-axis{display:flex;gap:2px;margin-bottom:1.6rem}
.spark-tick{flex:1;min-width:3px;font-size:.6rem;color:var(--marginal);text-align:center;white-space:nowrap;overflow:visible}
.spark-bar{flex:1;min-width:3px;min-height:4px;background:var(--accent-soft);border-radius:2px 2px 0 0;transition:background .12s ease,transform .12s ease}
.spark-bar:hover,.spark-bar:focus{background:var(--accent);transform:scaleY(1.06);transform-origin:bottom;outline:none}
.pub-row{padding:1rem 0;border-top:1px solid #f0ede5}
.pub-list .pub-row:first-child{border-top:0}
.pub{display:flex;gap:.6rem}
.pub-body{flex:1;min-width:0}
.pub-node{flex:none;width:.55rem;height:.55rem;margin-top:.55rem;border:1.4px solid var(--accent);border-radius:50%;background:var(--accent)}
.pub-title{font-size:1.12rem;margin:0 0 .25rem}
.pub-title a{color:var(--ink);border:0}
.pub-title a:hover{color:var(--accent)}
.pub-meta{font-size:.8rem;color:var(--muted);margin:0 0 .4rem;max-width:none}
.me{color:var(--ink);font-weight:700}
.pub-links{font-size:.75rem;display:flex;gap:1rem;margin-bottom:.3rem;flex-wrap:wrap}
.pub-links a{display:inline-flex;align-items:center;gap:.3em;white-space:nowrap}
.pub-links a .icon{margin-right:0}
.pub-tags{display:flex;flex-wrap:wrap;gap:.3rem}
.pub-tags a{display:inline-flex;align-items:center;gap:.3em;font-size:.68rem;line-height:1;color:var(--muted);background:#f3f1e9;border:1px solid var(--rule);border-radius:999px;padding:.25rem .55rem;transition:background .12s,color .12s,border-color .12s,transform .12s}
.pub-tags a .icon{margin-right:0}
.pub-tags a:hover{color:#fff;background:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
/* download CV button (about page) */
.cv-download{display:inline-flex;align-items:center;gap:.5rem;margin:.4rem 0 1rem;padding:.6rem 1.1rem;border:1.5px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;font-family:var(--sans);font-size:.95rem;font-weight:600;line-height:1;transition:background .12s,color .12s,box-shadow .16s,transform .16s}
.cv-download:hover{background:var(--bg);color:var(--accent);border-bottom-color:var(--accent);box-shadow:0 4px 14px rgba(11,125,113,.18);transform:translateY(-1px)}
.cv-download .cv-meta{font-size:.72rem;font-weight:500;opacity:.75}
/* cite this / bibtex */
.cite-toggle{cursor:pointer}
/* list rows: render Cite as a light text link matching Abstract/DOI/PDF */
.pub-links button.cite-toggle:not(.pub-link){display:inline-flex;align-items:center;gap:.3em;white-space:nowrap;font-family:var(--mono);font-size:inherit;color:var(--accent);background:none;border:0;border-bottom:1px solid var(--accent-soft);padding:0}
.pub-links button.cite-toggle:not(.pub-link):hover{border-bottom-color:var(--accent)}
.cite-box{position:relative;margin:.2rem 0 1rem}
.bibtex{margin:0;padding:.9rem 1rem;font-size:.72rem;line-height:1.5;background:#f3f1e9;border:1px solid var(--rule);border-radius:6px;overflow-x:auto;white-space:pre;color:var(--ink)}
.cite-copy{position:absolute;top:.5rem;right:.5rem;font-family:var(--mono);font-size:.68rem;color:var(--muted);background:var(--bg);border:1px solid var(--rule);border-radius:4px;padding:.25rem .5rem;cursor:pointer;transition:background .12s,color .12s,border-color .12s}
.cite-copy:hover{color:#fff;background:var(--accent);border-color:var(--accent)}

/* micro-interactions */
.pub-card{transition:transform .16s ease,box-shadow .16s ease}
.pub-card:hover{transform:translateY(-3px);box-shadow:0 7px 18px rgba(0,0,0,.09)}
.pub-node{transition:transform .16s ease,box-shadow .16s ease}
.pub-row:hover .pub-node,.pub-list .pub:hover .pub-node{transform:scale(1.7);box-shadow:0 0 0 4px rgba(11,125,113,.2)}
.pub-title a{background:linear-gradient(var(--accent),var(--accent)) 0 100%/0 1.5px no-repeat;transition:background-size .25s ease,color .15s ease}
.pub-title a:hover{background-size:100% 1.5px}
@media(prefers-reduced-motion:reduce){.pub-card,.pub-card:hover{transform:none}.pub-title a{transition:color .15s ease;background:none}}
/* right-floated card holding thumbnail + topic chips */
.pub-body::after{content:"";display:block;clear:both}
.pub-card{float:right;width:192px;margin:.2rem 0 .8rem 1.5rem;padding:.5rem;border:1px solid var(--rule);border-radius:8px;background:#fffdf5}
.pub-card-link{display:block;border:0;margin-bottom:.5rem}
.pub-card-img{width:100%;height:auto;border-radius:5px;display:block}
.pub-card .pub-tags{gap:.3rem}
@media(max-width:560px){
  .pub-card{float:none;width:auto;margin:0 0 .7rem 0;display:flex;gap:.8rem;align-items:flex-start}
  .pub-card-img{width:96px;margin-bottom:0;flex:none}
}
/* homepage list has no year column */
.pub-list.compact > li:not(.pub-row){border-top:1px solid #f0ede5;padding:1rem 0}

/* ---- article / single ---- */
.article{padding-top:1rem}
.article-img{max-width:100%;height:auto;border-radius:6px;margin:1rem 0}
.article .pub-authors{color:var(--muted);font-size:.85rem}
.article .citation{font-size:.85rem;color:var(--ink)}
.article .pub-date{font-size:.78rem;color:var(--marginal)}
.article .pub-abstract{max-width:var(--measure);font-size:1rem}
.altmetric{margin:1.2rem 0}
.pub-label{font-family:var(--sans);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--marginal);margin:1.3rem 0 .3rem}

/* download / doi / pdf buttons on single pages */
.article .pub-links{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.2rem 0}
.pub-link{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border:1.5px solid var(--accent);border-radius:6px;color:var(--accent);font-family:var(--sans);font-size:.9rem;font-weight:600;background:transparent;line-height:1;transition:background .12s,color .12s}
.pub-link:hover{background:var(--accent);color:#fff}

/* ---- tables / talks ---- */
.talks-table{width:100%;border-collapse:collapse;font-size:.85rem}
.talks-table th,.talks-table td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--rule);vertical-align:top}
.talks-table th{font-family:var(--sans);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--marginal)}
.talks-count{color:var(--marginal)}
.metrics{font-size:.82rem;color:var(--muted);margin:.2rem 0 1rem}
.metrics-src{color:var(--marginal)}

/* ---- pagination / lists ---- */
.post-pagination{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap;margin:2rem 0;font-size:.85rem}
.post-pagination span{color:var(--marginal)}
.taxonomy-terms{columns:2 16rem;list-style:none;padding:0}
.tag-list{list-style:none;margin:1.5rem 0;padding:0}
.tag-item{display:grid;grid-template-columns:6rem 1fr auto;gap:1rem;align-items:baseline;padding:.6rem 0;border-top:1px solid #f0ede5}
.tag-type{font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--marginal)}
.tag-item .tag-link{color:var(--ink);border:0}
.tag-item .tag-link:hover{color:var(--accent)}
.tag-year{color:var(--marginal);font-size:.8rem;text-align:right}
@media(max-width:560px){.tag-item{grid-template-columns:1fr auto}.tag-type{grid-column:1/-1}}
.posts.compact > *{border-top:1px solid #f0ede5;padding:1rem 0}
.whatisthis-short{font-size:.9rem;color:var(--muted)}
.error-404{padding:3rem 0 4rem}

/* ---- media / in the news ---- */
.media-group{padding:1rem 0;border-top:1px solid #f0ede5}
.media-head{font-size:1.15rem;margin:0 0 .5rem}
.media-head a{color:var(--ink);border:0}
.media-head a:hover{color:var(--accent)}
.media-list{margin:0;padding-left:1.1rem}
.media-list li{font-size:.9rem;margin:.2rem 0}

/* ---- bottom copyright box ---- */
.endofpage{background:var(--ink);margin-top:3rem;padding:1rem}
.endofpage .copyright{color:var(--bg);text-align:center;font-size:.8rem;margin:0;max-width:none}
.endofpage .copyright a{color:inherit;border-bottom:1px solid rgba(255,255,255,.4)}
.endofpage .copyright a:hover{border-bottom-color:var(--bg)}
.project-card{display:inline-block;vertical-align:top;width:calc(33% - 1rem);margin:.5rem}