/* Thierry Warin — warin.ca redesign. Shared styles. */
:root{
  --bg:#F7F6F3; --ink:#16181A; --muted:#6E7275; --line:#DEDCD6; --line2:#C9C6BE;
  --tint:#EFEDE7; --accent:oklch(0.55 0.15 252); --accent2:oklch(0.55 0.15 45);
  --dark:#16181A; --darker:#0F1112;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted)}
.accent{color:var(--accent)}
::selection{background:var(--ink);color:var(--bg)}

/* header — two ribbons: brand+utilities on top, section nav below */
.site-head{position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--ink)}
.bar-top{display:flex;align-items:center;justify-content:space-between;height:56px}
.bar-nav{display:flex;align-items:center;gap:26px;height:46px;border-top:1px solid var(--line);font-size:14px}
.utils{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:baseline;gap:12px}
.brand .name{font-size:16px;font-weight:600;letter-spacing:-0.01em}
.brand .aff{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:24px;font-size:14px}
.nav a{white-space:nowrap}
.nav a:hover{text-decoration:none;color:var(--accent)}
.nav a.active{border-bottom:2px solid var(--ink);padding-bottom:2px}
.bar-nav .search-wrap{margin-left:auto}
.cv{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.06em;text-transform:uppercase;border:1px solid var(--ink);padding:7px 12px}
.cv:hover{background:var(--ink);color:var(--bg);text-decoration:none}
.lang{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.search-wrap{position:relative}
.search-wrap input{width:210px;background:var(--tint);border:1px solid var(--line2);color:var(--ink);
  font-family:'IBM Plex Sans',sans-serif;font-size:13px;padding:9px 12px;outline:none}
.search-wrap input:focus{border-color:var(--ink)}
.search-panel{position:absolute;top:46px;right:0;width:520px;background:var(--bg);border:1px solid var(--ink);
  box-shadow:0 20px 44px rgba(0,0,0,0.16);z-index:60;display:none}
.search-panel.open{display:block}
.search-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted)}
.search-head .clear{cursor:pointer;color:var(--ink)}
.search-hit{display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:baseline;padding:12px 14px;border-bottom:1px solid #EAE8E2}
.search-hit:hover{background:var(--tint);text-decoration:none}
.search-hit .k{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--accent)}
.search-hit .l{font-size:14px;line-height:1.35;font-weight:500}
.search-hit .m{font-size:12px;color:var(--muted)}
.burger{display:none;flex-direction:column;gap:5px;width:24px;cursor:pointer;background:none;border:0;padding:0}
.burger span{height:1px;background:var(--ink)}

/* hero */
.hero{position:relative;height:520px;border-bottom:1px solid var(--line);overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero .scrim{position:absolute;inset:0;background:linear-gradient(100deg,var(--bg) 18%,rgba(247,246,243,0.58) 46%,rgba(247,246,243,0.08) 82%)}
.hero .inner{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;gap:26px;max-width:840px;padding:0 40px}
.hero h1{font-size:64px;line-height:1.02;font-weight:600;letter-spacing:-0.035em;margin:0;text-wrap:balance}
.hero .lede{font-size:18px;line-height:1.6;color:#3E4244;max-width:620px;text-wrap:pretty}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:'IBM Plex Mono',monospace;font-size:12px;border:1px solid var(--line2);background:rgba(247,246,243,0.8);padding:6px 10px}
.hero .caption{position:absolute;right:24px;bottom:18px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.06em;color:#8E918D}
.tip{position:absolute;width:300px;background:var(--dark);color:var(--bg);padding:14px 16px;pointer-events:none;z-index:5;
  box-shadow:0 12px 30px rgba(0,0,0,0.22);display:none}
.tip .ty{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:oklch(0.80 0.14 168);margin-bottom:8px}
.tip .tt{font-size:15px;line-height:1.4;font-weight:500;margin-bottom:6px}
.tip .tj{font-size:13px;color:#9DA19E}

/* section scaffolding */
section.band{border-bottom:1px solid var(--line)}
.band-pad{padding:56px 40px}
.band-tint{background:var(--tint)}
.band-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:32px}
.about{display:grid;grid-template-columns:200px 1fr 300px;gap:40px;align-items:start;padding:44px 40px;background:var(--tint);border-bottom:1px solid var(--line)}
.about img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 20%;filter:grayscale(1) contrast(1.05);transition:filter 0.4s ease}
.about .photo{display:flex;flex-direction:column;gap:8px}
.about .photo:hover img{filter:grayscale(0) contrast(1)}
.photo-link{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.04em;color:var(--muted)}
.photo-link:hover{color:var(--accent);text-decoration:none}
.about .bio{font-size:17px;line-height:1.7;color:#3E4244;text-wrap:pretty}
.links-list{display:flex;flex-direction:column;gap:7px;font-family:'IBM Plex Mono',monospace;font-size:12px}
.links-list a{display:flex;justify-content:space-between;border-bottom:1px solid #DAD7D0;padding-bottom:6px}
.links-list a:last-child{border-bottom:0}
.links-list a span:last-child{color:var(--muted)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.stat{padding:28px 40px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.stat:last-child{border-right:0}
.stat .n{font-size:40px;font-weight:600;letter-spacing:-0.03em}
.stat .k{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted)}

/* theme rows */
.themes{display:flex;flex-direction:column}
.trow{display:grid;grid-template-columns:56px 1fr 340px 28px;gap:24px;align-items:baseline;padding:20px 0;border-top:1px solid var(--line)}
.trow:first-child{border-top:1px solid var(--ink)}
.trow:last-child{border-bottom:1px solid var(--line)}
.trow:hover{text-decoration:none}
.trow .no{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.trow .tt{font-size:24px;font-weight:500;letter-spacing:-0.015em}
.trow .td{font-size:14px;line-height:1.5;color:var(--muted)}
.trow .ar{font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--muted);text-align:right}
.trow:hover .tt{color:var(--accent)}

/* two-col recent + chart */
.recent-grid{display:grid;grid-template-columns:1fr 400px;gap:56px}
.publist{display:flex;flex-direction:column}
.pub{display:grid;grid-template-columns:52px 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--line)}
.pub:last-child{border-bottom:1px solid var(--line)}
.pub .yr{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.pub .t{font-size:17px;line-height:1.4;font-weight:500}
.pub .m{font-size:14px;color:var(--muted)}
.pub:hover .t{color:var(--accent)}
.bars{display:flex;align-items:flex-end;gap:10px;height:150px}
.bars .col{flex:1;display:flex;flex-direction:column;gap:8px;align-items:center}
.bars .col i{width:100%;background:#D9D6CE;display:block}
.bars .col.hot i{background:var(--accent)}
.bars .col span{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--muted)}

/* generic cards */
.cards{display:grid;gap:36px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-2{grid-template-columns:1fr 1fr}
.card{display:flex;flex-direction:column;gap:12px;border-top:2px solid var(--ink);padding-top:18px}
.card.thin{border-top-width:1px}
.card .kd{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted)}
.card h3{font-size:22px;font-weight:600;letter-spacing:-0.015em;margin:0}
.card p{font-size:15px;line-height:1.6;color:#4A4E50;margin:0;text-wrap:pretty}

/* teaching + code split */
.split{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.split > div{padding:48px 40px}
.split > div:first-child{border-right:1px solid var(--line)}
.course{display:flex;gap:14px;align-items:baseline;padding:6px 0}
.badge{font-family:'IBM Plex Mono',monospace;font-size:11px;color:#fff;background:var(--ink);padding:3px 7px;white-space:nowrap}
.pkg-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pkg{border:1px solid var(--line2);padding:13px 14px;display:flex;flex-direction:column;gap:4px}
.pkg .nm{font-family:'IBM Plex Mono',monospace;font-size:14px}
.pkg .ds{font-size:12px;color:var(--muted)}
.pkg:hover{border-color:var(--ink);text-decoration:none}

/* research: publications-first "by type" grid */
.typegrid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.typegrid a{background:var(--bg);padding:15px 16px;font-family:'IBM Plex Mono',monospace;font-size:13px;display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.typegrid a:hover{background:var(--tint);text-decoration:none;color:var(--accent)}
.typegrid a .c{color:var(--muted)}

/* research: four big themes */
.bigthemes{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line2);border:1px solid var(--line2)}
.bigtheme{background:var(--bg);padding:34px 32px;display:flex;flex-direction:column;gap:13px;position:relative;overflow:hidden;transition:background .3s ease}
.bigtheme::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--th);transform:scaleY(0);transform-origin:top;transition:transform .35s ease}
.bigtheme:hover{background:var(--tint)}
.bigtheme:hover::before{transform:scaleY(1)}
.bigtheme .bidx{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.1em;color:var(--th)}
.bigtheme h3{font-size:25px;font-weight:600;letter-spacing:-0.02em;margin:0;line-height:1.15}
.bigtheme .syn{font-size:15px;line-height:1.6;color:#4A4E50;margin:0}
.bigtheme .kw{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.bigtheme .kw span{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted);border:1px solid var(--line2);padding:3px 7px}
.bigtheme .works{display:flex;flex-direction:column;gap:7px;margin-top:8px;border-top:1px solid var(--line);padding-top:14px}
.bigtheme .works a{font-size:14px;line-height:1.4;color:var(--ink);display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:baseline}
.bigtheme .works a:hover{color:var(--th);text-decoration:none}
.bigtheme .works a .wy{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted)}
.bigtheme .works a em{color:var(--muted);font-style:normal}
@media(max-width:900px){.typegrid,.bigthemes{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--dark);color:#F7F6F3;padding:36px 40px;display:flex;align-items:center;justify-content:space-between}
.foot .fname{font-size:16px;font-weight:600}
.foot .fa{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#8E9290;margin-top:6px}
.foot .flinks{display:flex;gap:22px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#C9CCC9}
.foot .flinks a:hover{color:#fff}

/* page hero (inner pages) */
.page-hero{padding:72px 40px 48px;border-bottom:1px solid var(--ink)}
.page-hero h1{font-size:56px;line-height:1.03;font-weight:600;letter-spacing:-0.035em;margin:12px 0 0;text-wrap:balance}
.page-hero .sub{font-size:18px;line-height:1.6;color:#3E4244;max-width:720px;margin-top:18px;text-wrap:pretty}

/* filter toolbar */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px}
.toolbar input{flex:1;min-width:240px;background:#fff;border:1px solid var(--line2);color:var(--ink);
  font-family:'IBM Plex Sans',sans-serif;font-size:15px;padding:12px 15px;outline:none}
.toolbar input:focus{border-color:var(--ink)}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.fbtn{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:7px 12px;border:1px solid var(--line2);background:transparent;color:var(--ink);cursor:pointer}
.fbtn.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.count{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}

/* long reference list */
.reflist{display:flex;flex-direction:column}
.ref{display:grid;grid-template-columns:56px 1fr 150px;gap:20px;align-items:baseline;padding:16px 0;border-top:1px solid var(--line)}
.ref:last-child{border-bottom:1px solid var(--line)}
.ref .rn{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.ref .rt{font-size:16px;line-height:1.45}
.ref .rt em{color:var(--muted)}
.ref .rt a.doi{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);white-space:nowrap;margin-left:2px}
.ref .rt a.doi:hover{text-decoration:underline}
.ref .rt a.slides{color:var(--accent2)}
#confpreview{position:fixed;z-index:80;pointer-events:none;display:none;background:#fff;border:1px solid var(--ink);box-shadow:0 14px 34px rgba(0,0,0,0.24);padding:4px}
#confpreview img{display:block;width:300px;height:auto;max-height:230px;object-fit:cover;object-position:top}
.ref .rk{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.04em;color:var(--accent);text-align:right;text-transform:uppercase}
.ref[hidden]{display:none}

/* prose blocks (bio, funded) */
.prose{max-width:820px}
.prose p{font-size:17px;line-height:1.75;color:#3E4244;margin:0 0 20px}
.prose h2{font-size:14px;font-family:'IBM Plex Mono',monospace;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);margin:48px 0 18px}
.prose strong{color:var(--ink);font-weight:600}
.timeline{display:flex;flex-direction:column}
.tl{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:18px 0;border-top:1px solid var(--line)}
.tl:last-child{border-bottom:1px solid var(--line)}
.tl .when{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.tl .what{font-size:16px;line-height:1.55}
.tl .what strong{font-weight:600}

/* responsive */
@media(max-width:900px){
  .wrap,.band-pad,.about,.stats .stat,.split>div,.page-hero,.foot{padding-left:20px;padding-right:20px}
  .bar-nav{display:none}
  .bar-nav.open{display:flex;position:absolute;top:56px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;
    background:var(--bg);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:8px 20px 20px;height:auto}
  .bar-nav.open a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .bar-nav.open .search-wrap{width:100%;margin:12px 0 0}
  .bar-nav.open .search-wrap input{width:100%}
  .bar-nav.open .search-panel{width:100%;left:0;right:auto}
  .utils .lang{display:none}
  .burger{display:flex}
  .hero{height:auto;min-height:440px}
  .hero h1{font-size:38px}
  .hero .inner{padding:120px 20px 32px;justify-content:flex-end}
  .about{grid-template-columns:1fr}
  .about img{max-width:200px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .trow{grid-template-columns:36px 1fr 28px}
  .trow .td{display:none}
  .trow .tt{font-size:19px}
  .recent-grid{grid-template-columns:1fr;gap:36px}
  .cards-3,.cards-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split>div:first-child{border-right:0;border-bottom:1px solid var(--line)}
  .page-hero h1{font-size:36px}
  .ref{grid-template-columns:44px 1fr}
  .ref .rk{display:none}
  .tl{grid-template-columns:1fr;gap:6px}
  .foot{flex-direction:column;gap:16px;align-items:flex-start}
}